diff options
Diffstat (limited to 'servers/visual/rasterizer_rd/shaders')
24 files changed, 0 insertions, 6658 deletions
diff --git a/servers/visual/rasterizer_rd/shaders/SCsub b/servers/visual/rasterizer_rd/shaders/SCsub deleted file mode 100644 index 2dcb2a703f..0000000000 --- a/servers/visual/rasterizer_rd/shaders/SCsub +++ /dev/null @@ -1,24 +0,0 @@ -#!/usr/bin/env python - -Import('env') - -if 'RD_GLSL' in env['BUILDERS']: - env.RD_GLSL('canvas.glsl'); - env.RD_GLSL('canvas_occlusion.glsl'); - env.RD_GLSL('blur.glsl'); - env.RD_GLSL('cubemap_roughness.glsl'); - env.RD_GLSL('cubemap_downsampler.glsl'); - env.RD_GLSL('cubemap_filter.glsl'); - env.RD_GLSL('scene_high_end.glsl'); - env.RD_GLSL('sky.glsl'); - env.RD_GLSL('tonemap.glsl'); - env.RD_GLSL('copy.glsl'); - env.RD_GLSL('giprobe.glsl'); - env.RD_GLSL('giprobe_debug.glsl'); - env.RD_GLSL('giprobe_sdf.glsl'); - env.RD_GLSL('luminance_reduce.glsl'); - env.RD_GLSL('bokeh_dof.glsl'); - env.RD_GLSL('ssao.glsl'); - env.RD_GLSL('ssao_minify.glsl'); - env.RD_GLSL('ssao_blur.glsl'); - env.RD_GLSL('roughness_limiter.glsl'); diff --git a/servers/visual/rasterizer_rd/shaders/blur.glsl b/servers/visual/rasterizer_rd/shaders/blur.glsl deleted file mode 100644 index 87c20ebaef..0000000000 --- a/servers/visual/rasterizer_rd/shaders/blur.glsl +++ /dev/null @@ -1,294 +0,0 @@ -/* clang-format off */ -[vertex] - -#version 450 - -VERSION_DEFINES - -#include "blur_inc.glsl" - -layout(location = 0) out vec2 uv_interp; -/* clang-format on */ - -void main() { - - vec2 base_arr[4] = vec2[](vec2(0.0, 0.0), vec2(0.0, 1.0), vec2(1.0, 1.0), vec2(1.0, 0.0)); - uv_interp = base_arr[gl_VertexIndex]; - - if (bool(blur.flags & FLAG_USE_BLUR_SECTION)) { - uv_interp = blur.section.xy + uv_interp * blur.section.zw; - } - - gl_Position = vec4(uv_interp * 2.0 - 1.0, 0.0, 1.0); - - if (bool(blur.flags & FLAG_FLIP_Y)) { - uv_interp.y = 1.0 - uv_interp.y; - } -} - -/* clang-format off */ -[fragment] - -#version 450 - -VERSION_DEFINES - -#include "blur_inc.glsl" - -layout(location = 0) in vec2 uv_interp; -/* clang-format on */ - -layout(set = 0, binding = 0) uniform sampler2D source_color; - -#ifdef MODE_SSAO_MERGE -layout(set = 1, binding = 0) uniform sampler2D source_ssao; -#endif - -#ifdef GLOW_USE_AUTO_EXPOSURE -layout(set = 1, binding = 0) uniform sampler2D source_auto_exposure; -#endif - -layout(location = 0) out vec4 frag_color; - -//DOF -#if defined(MODE_DOF_FAR_BLUR) || defined(MODE_DOF_NEAR_BLUR) - -layout(set = 1, binding = 0) uniform sampler2D dof_source_depth; - -#ifdef DOF_NEAR_BLUR_MERGE -layout(set = 2, binding = 0) uniform sampler2D source_dof_original; -#endif - -#ifdef DOF_QUALITY_LOW -const int dof_kernel_size = 5; -const int dof_kernel_from = 2; -const float dof_kernel[5] = float[](0.153388, 0.221461, 0.250301, 0.221461, 0.153388); -#endif - -#ifdef DOF_QUALITY_MEDIUM -const int dof_kernel_size = 11; -const int dof_kernel_from = 5; -const float dof_kernel[11] = float[](0.055037, 0.072806, 0.090506, 0.105726, 0.116061, 0.119726, 0.116061, 0.105726, 0.090506, 0.072806, 0.055037); - -#endif - -#ifdef DOF_QUALITY_HIGH -const int dof_kernel_size = 21; -const int dof_kernel_from = 10; -const float dof_kernel[21] = float[](0.028174, 0.032676, 0.037311, 0.041944, 0.046421, 0.050582, 0.054261, 0.057307, 0.059587, 0.060998, 0.061476, 0.060998, 0.059587, 0.057307, 0.054261, 0.050582, 0.046421, 0.041944, 0.037311, 0.032676, 0.028174); -#endif - -#endif - -void main() { - -#ifdef MODE_MIPMAP - - vec2 pix_size = blur.pixel_size; - vec4 color = texture(source_color, uv_interp + vec2(-0.5, -0.5) * pix_size); - color += texture(source_color, uv_interp + vec2(0.5, -0.5) * pix_size); - color += texture(source_color, uv_interp + vec2(0.5, 0.5) * pix_size); - color += texture(source_color, uv_interp + vec2(-0.5, 0.5) * pix_size); - frag_color = color / 4.0; - -#endif - -#ifdef MODE_GAUSSIAN_BLUR - - //Simpler blur uses SIGMA2 for the gaussian kernel for a stronger effect - - if (bool(blur.flags & FLAG_HORIZONTAL)) { - - vec2 pix_size = blur.pixel_size; - pix_size *= 0.5; //reading from larger buffer, so use more samples - vec4 color = texture(source_color, uv_interp + vec2(0.0, 0.0) * pix_size) * 0.214607; - color += texture(source_color, uv_interp + vec2(1.0, 0.0) * pix_size) * 0.189879; - color += texture(source_color, uv_interp + vec2(2.0, 0.0) * pix_size) * 0.131514; - color += texture(source_color, uv_interp + vec2(3.0, 0.0) * pix_size) * 0.071303; - color += texture(source_color, uv_interp + vec2(-1.0, 0.0) * pix_size) * 0.189879; - color += texture(source_color, uv_interp + vec2(-2.0, 0.0) * pix_size) * 0.131514; - color += texture(source_color, uv_interp + vec2(-3.0, 0.0) * pix_size) * 0.071303; - frag_color = color; - } else { - - vec2 pix_size = blur.pixel_size; - vec4 color = texture(source_color, uv_interp + vec2(0.0, 0.0) * pix_size) * 0.38774; - color += texture(source_color, uv_interp + vec2(0.0, 1.0) * pix_size) * 0.24477; - color += texture(source_color, uv_interp + vec2(0.0, 2.0) * pix_size) * 0.06136; - color += texture(source_color, uv_interp + vec2(0.0, -1.0) * pix_size) * 0.24477; - color += texture(source_color, uv_interp + vec2(0.0, -2.0) * pix_size) * 0.06136; - frag_color = color; - } -#endif - -#ifdef MODE_GAUSSIAN_GLOW - - //Glow uses larger sigma 1 for a more rounded blur effect - -#define GLOW_ADD(m_ofs, m_mult) \ - { \ - vec2 ofs = uv_interp + m_ofs * pix_size; \ - vec4 c = texture(source_color, ofs) * m_mult; \ - if (any(lessThan(ofs, vec2(0.0))) || any(greaterThan(ofs, vec2(1.0)))) { \ - c *= 0.0; \ - } \ - color += c; \ - } - - if (bool(blur.flags & FLAG_HORIZONTAL)) { - - vec2 pix_size = blur.pixel_size; - pix_size *= 0.5; //reading from larger buffer, so use more samples - vec4 color = texture(source_color, uv_interp + vec2(0.0, 0.0) * pix_size) * 0.174938; - GLOW_ADD(vec2(1.0, 0.0), 0.165569); - GLOW_ADD(vec2(2.0, 0.0), 0.140367); - GLOW_ADD(vec2(3.0, 0.0), 0.106595); - GLOW_ADD(vec2(-1.0, 0.0), 0.165569); - GLOW_ADD(vec2(-2.0, 0.0), 0.140367); - GLOW_ADD(vec2(-3.0, 0.0), 0.106595); - color *= blur.glow_strength; - frag_color = color; - } else { - - vec2 pix_size = blur.pixel_size; - vec4 color = texture(source_color, uv_interp + vec2(0.0, 0.0) * pix_size) * 0.288713; - GLOW_ADD(vec2(0.0, 1.0), 0.233062); - GLOW_ADD(vec2(0.0, 2.0), 0.122581); - GLOW_ADD(vec2(0.0, -1.0), 0.233062); - GLOW_ADD(vec2(0.0, -2.0), 0.122581); - color *= blur.glow_strength; - frag_color = color; - } - -#undef GLOW_ADD - - if (bool(blur.flags & FLAG_GLOW_FIRST_PASS)) { -#ifdef GLOW_USE_AUTO_EXPOSURE - - frag_color /= texelFetch(source_auto_exposure, ivec2(0, 0), 0).r / blur.glow_auto_exposure_grey; -#endif - frag_color *= blur.glow_exposure; - - float luminance = max(frag_color.r, max(frag_color.g, frag_color.b)); - float feedback = max(smoothstep(blur.glow_hdr_threshold, blur.glow_hdr_threshold + blur.glow_hdr_scale, luminance), blur.glow_bloom); - - frag_color = min(frag_color * feedback, vec4(blur.glow_luminance_cap)); - } - -#endif - -#ifdef MODE_DOF_FAR_BLUR - - vec4 color_accum = vec4(0.0); - - float depth = texture(dof_source_depth, uv_interp, 0.0).r; - depth = depth * 2.0 - 1.0; - - if (bool(blur.flags & FLAG_USE_ORTHOGONAL_PROJECTION)) { - depth = ((depth + (blur.camera_z_far + blur.camera_z_near) / (blur.camera_z_far - blur.camera_z_near)) * (blur.camera_z_far - blur.camera_z_near)) / 2.0; - } else { - depth = 2.0 * blur.camera_z_near * blur.camera_z_far / (blur.camera_z_far + blur.camera_z_near - depth * (blur.camera_z_far - blur.camera_z_near)); - } - - float amount = smoothstep(blur.dof_begin, blur.dof_end, depth); - float k_accum = 0.0; - - for (int i = 0; i < dof_kernel_size; i++) { - - int int_ofs = i - dof_kernel_from; - vec2 tap_uv = uv_interp + blur.dof_dir * float(int_ofs) * amount * blur.dof_radius; - - float tap_k = dof_kernel[i]; - - float tap_depth = texture(dof_source_depth, tap_uv, 0.0).r; - tap_depth = tap_depth * 2.0 - 1.0; - - if (bool(blur.flags & FLAG_USE_ORTHOGONAL_PROJECTION)) { - - tap_depth = ((tap_depth + (blur.camera_z_far + blur.camera_z_near) / (blur.camera_z_far - blur.camera_z_near)) * (blur.camera_z_far - blur.camera_z_near)) / 2.0; - } else { - tap_depth = 2.0 * blur.camera_z_near * blur.camera_z_far / (blur.camera_z_far + blur.camera_z_near - tap_depth * (blur.camera_z_far - blur.camera_z_near)); - } - - float tap_amount = mix(smoothstep(blur.dof_begin, blur.dof_end, tap_depth), 1.0, int_ofs == 0); - tap_amount *= tap_amount * tap_amount; //prevent undesired glow effect - - vec4 tap_color = texture(source_color, tap_uv, 0.0) * tap_k; - - k_accum += tap_k * tap_amount; - color_accum += tap_color * tap_amount; - } - - if (k_accum > 0.0) { - color_accum /= k_accum; - } - - frag_color = color_accum; ///k_accum; - -#endif - -#ifdef MODE_DOF_NEAR_BLUR - - vec4 color_accum = vec4(0.0); - - float max_accum = 0.0; - - for (int i = 0; i < dof_kernel_size; i++) { - - int int_ofs = i - dof_kernel_from; - vec2 tap_uv = uv_interp + blur.dof_dir * float(int_ofs) * blur.dof_radius; - float ofs_influence = max(0.0, 1.0 - float(abs(int_ofs)) / float(dof_kernel_from)); - - float tap_k = dof_kernel[i]; - - vec4 tap_color = texture(source_color, tap_uv, 0.0); - - float tap_depth = texture(dof_source_depth, tap_uv, 0.0).r; - tap_depth = tap_depth * 2.0 - 1.0; - if (bool(blur.flags & FLAG_USE_ORTHOGONAL_PROJECTION)) { - - tap_depth = ((tap_depth + (blur.camera_z_far + blur.camera_z_near) / (blur.camera_z_far - blur.camera_z_near)) * (blur.camera_z_far - blur.camera_z_near)) / 2.0; - } else { - tap_depth = 2.0 * blur.camera_z_near * blur.camera_z_far / (blur.camera_z_far + blur.camera_z_near - tap_depth * (blur.camera_z_far - blur.camera_z_near)); - } - float tap_amount = 1.0 - smoothstep(blur.dof_end, blur.dof_begin, tap_depth); - tap_amount *= tap_amount * tap_amount; //prevent undesired glow effect - - if (bool(blur.flags & FLAG_DOF_NEAR_FIRST_TAP)) { - tap_color.a = 1.0 - smoothstep(blur.dof_end, blur.dof_begin, tap_depth); - } - - max_accum = max(max_accum, tap_amount * ofs_influence); - - color_accum += tap_color * tap_k; - } - - color_accum.a = max(color_accum.a, sqrt(max_accum)); - -#ifdef DOF_NEAR_BLUR_MERGE - { - vec4 original = texture(source_dof_original, uv_interp, 0.0); - color_accum = mix(original, color_accum, color_accum.a); - } -#endif - - if (bool(blur.flags & FLAG_DOF_NEAR_FIRST_TAP)) { - frag_color = color_accum; - } -#endif - -#ifdef MODE_SIMPLE_COPY - vec4 color = texture(source_color, uv_interp, 0.0); - if (bool(blur.flags & FLAG_COPY_FORCE_LUMINANCE)) { - color.rgb = vec3(max(max(color.r, color.g), color.b)); - } - frag_color = color; -#endif - -#ifdef MODE_SSAO_MERGE - vec4 color = texture(source_color, uv_interp, 0.0); - float ssao = texture(source_ssao, uv_interp, 0.0).r; - frag_color = vec4(mix(color.rgb, color.rgb * mix(blur.ssao_color.rgb, vec3(1.0), ssao), color.a), 1.0); - -#endif -} diff --git a/servers/visual/rasterizer_rd/shaders/blur_inc.glsl b/servers/visual/rasterizer_rd/shaders/blur_inc.glsl deleted file mode 100644 index 33ba9de7bb..0000000000 --- a/servers/visual/rasterizer_rd/shaders/blur_inc.glsl +++ /dev/null @@ -1,35 +0,0 @@ -#define FLAG_HORIZONTAL (1 << 0) -#define FLAG_USE_BLUR_SECTION (1 << 1) -#define FLAG_USE_ORTHOGONAL_PROJECTION (1 << 2) -#define FLAG_DOF_NEAR_FIRST_TAP (1 << 3) -#define FLAG_GLOW_FIRST_PASS (1 << 4) -#define FLAG_FLIP_Y (1 << 5) -#define FLAG_COPY_FORCE_LUMINANCE (1 << 6) - -layout(push_constant, binding = 1, std430) uniform Blur { - vec4 section; - vec2 pixel_size; - uint flags; - uint pad; - // Glow. - float glow_strength; - float glow_bloom; - float glow_hdr_threshold; - float glow_hdr_scale; - float glow_exposure; - float glow_white; - float glow_luminance_cap; - float glow_auto_exposure_grey; - // DOF. - float dof_begin; - float dof_end; - float dof_radius; - float dof_pad; - - vec2 dof_dir; - float camera_z_far; - float camera_z_near; - - vec4 ssao_color; -} -blur; diff --git a/servers/visual/rasterizer_rd/shaders/bokeh_dof.glsl b/servers/visual/rasterizer_rd/shaders/bokeh_dof.glsl deleted file mode 100644 index 7153fe6b17..0000000000 --- a/servers/visual/rasterizer_rd/shaders/bokeh_dof.glsl +++ /dev/null @@ -1,258 +0,0 @@ -/* clang-format off */ -[compute] - -#version 450 - -VERSION_DEFINES - -#define BLOCK_SIZE 8 - -layout(local_size_x = BLOCK_SIZE, local_size_y = BLOCK_SIZE, local_size_z = 1) in; -/* clang-format on */ - -#ifdef MODE_GEN_BLUR_SIZE -layout(rgba16f, set = 0, binding = 0) uniform restrict image2D color_image; -layout(set = 1, binding = 0) uniform sampler2D source_depth; -#endif - -#if defined(MODE_BOKEH_BOX) || defined(MODE_BOKEH_HEXAGONAL) || defined(MODE_BOKEH_CIRCULAR) -layout(set = 1, binding = 0) uniform sampler2D color_texture; -layout(rgba16f, set = 0, binding = 0) uniform restrict writeonly image2D bokeh_image; -#endif - -#ifdef MODE_COMPOSITE_BOKEH -layout(rgba16f, set = 0, binding = 0) uniform restrict image2D color_image; -layout(set = 1, binding = 0) uniform sampler2D source_bokeh; -#endif - -// based on https://www.shadertoy.com/view/Xd3GDl - -layout(push_constant, binding = 1, std430) uniform Params { - ivec2 size; - float z_far; - float z_near; - - bool orthogonal; - float blur_size; - float blur_scale; - int blur_steps; - - bool blur_near_active; - float blur_near_begin; - float blur_near_end; - bool blur_far_active; - - float blur_far_begin; - float blur_far_end; - bool second_pass; - bool half_size; - - bool use_jitter; - float jitter_seed; - uint pad[2]; -} -params; - -//used to work around downsampling filter -#define DEPTH_GAP 0.0 - -#ifdef MODE_GEN_BLUR_SIZE - -float get_depth_at_pos(vec2 uv) { - float depth = textureLod(source_depth, uv, 0.0).x; - if (params.orthogonal) { - depth = ((depth + (params.z_far + params.z_near) / (params.z_far - params.z_near)) * (params.z_far - params.z_near)) / 2.0; - } else { - depth = 2.0 * params.z_near * params.z_far / (params.z_far + params.z_near - depth * (params.z_far - params.z_near)); - } - return depth; -} - -float get_blur_size(float depth) { - - if (params.blur_near_active && depth < params.blur_near_begin) { - return -(1.0 - smoothstep(params.blur_near_end, params.blur_near_begin, depth)) * params.blur_size - DEPTH_GAP; //near blur is negative - } - - if (params.blur_far_active && depth > params.blur_far_begin) { - return smoothstep(params.blur_far_begin, params.blur_far_end, depth) * params.blur_size + DEPTH_GAP; - } - - return 0.0; -} - -#endif - -const float GOLDEN_ANGLE = 2.39996323; - -//note: uniform pdf rand [0;1[ -float hash12n(vec2 p) { - p = fract(p * vec2(5.3987, 5.4421)); - p += dot(p.yx, p.xy + vec2(21.5351, 14.3137)); - return fract(p.x * p.y * 95.4307); -} - -#if defined(MODE_BOKEH_BOX) || defined(MODE_BOKEH_HEXAGONAL) - -vec4 weighted_filter_dir(vec2 dir, vec2 uv, vec2 pixel_size) { - - dir *= pixel_size; - vec4 color = texture(color_texture, uv); - - vec4 accum = color; - float total = 1.0; - - float blur_scale = params.blur_size / float(params.blur_steps); - - if (params.use_jitter) { - uv += dir * (hash12n(uv + params.jitter_seed) - 0.5); - } - - for (int i = -params.blur_steps; i <= params.blur_steps; i++) { - - if (i == 0) { - continue; - } - float radius = float(i) * blur_scale; - vec2 suv = uv + dir * radius; - radius = abs(radius); - - vec4 sample_color = texture(color_texture, suv); - float limit; - - if (sample_color.a < color.a) { - limit = abs(sample_color.a); - } else { - limit = abs(color.a); - } - - limit -= DEPTH_GAP; - - float m = smoothstep(radius - 0.5, radius + 0.5, limit); - - accum += mix(color, sample_color, m); - - total += 1.0; - } - - return accum / total; -} - -#endif - -void main() { - - ivec2 pos = ivec2(gl_GlobalInvocationID.xy); - - if (any(greaterThan(pos, params.size))) { //too large, do nothing - return; - } - - vec2 pixel_size = 1.0 / vec2(params.size); - vec2 uv = vec2(pos) / vec2(params.size); - -#ifdef MODE_GEN_BLUR_SIZE - uv += pixel_size * 0.5; - //precompute size in alpha channel - float depth = get_depth_at_pos(uv); - float size = get_blur_size(depth); - - vec4 color = imageLoad(color_image, pos); - color.a = size; - imageStore(color_image, pos, color); -#endif - -#ifdef MODE_BOKEH_BOX - - //pixel_size*=0.5; //resolution is doubled - if (params.second_pass || !params.half_size) { - uv += pixel_size * 0.5; //half pixel to read centers - } else { - uv += pixel_size * 0.25; //half pixel to read centers from full res - } - - vec2 dir = (params.second_pass ? vec2(0.0, 1.0) : vec2(1.0, 0.0)); - - vec4 color = weighted_filter_dir(dir, uv, pixel_size); - - imageStore(bokeh_image, pos, color); - -#endif - -#ifdef MODE_BOKEH_HEXAGONAL - - //pixel_size*=0.5; //resolution is doubled - if (params.second_pass || !params.half_size) { - uv += pixel_size * 0.5; //half pixel to read centers - } else { - uv += pixel_size * 0.25; //half pixel to read centers from full res - } - - vec2 dir = (params.second_pass ? normalize(vec2(1.0, 0.577350269189626)) : vec2(0.0, 1.0)); - - vec4 color = weighted_filter_dir(dir, uv, pixel_size); - - if (params.second_pass) { - dir = normalize(vec2(-1.0, 0.577350269189626)); - - vec4 color2 = weighted_filter_dir(dir, uv, pixel_size); - - color.rgb = min(color.rgb, color2.rgb); - color.a = (color.a + color2.a) * 0.5; - } - - imageStore(bokeh_image, pos, color); - -#endif - -#ifdef MODE_BOKEH_CIRCULAR - - if (params.half_size) { - pixel_size *= 0.5; //resolution is doubled - } - - uv += pixel_size * 0.5; //half pixel to read centers - - vec4 color = texture(color_texture, uv); - float accum = 1.0; - float radius = params.blur_scale; - - for (float ang = 0.0; radius < params.blur_size; ang += GOLDEN_ANGLE) { - - vec2 suv = uv + vec2(cos(ang), sin(ang)) * pixel_size * radius; - vec4 sample_color = texture(color_texture, suv); - float sample_size = abs(sample_color.a); - if (sample_color.a > color.a) { - sample_size = clamp(sample_size, 0.0, abs(color.a) * 2.0); - } - - float m = smoothstep(radius - 0.5, radius + 0.5, sample_size); - color += mix(color / accum, sample_color, m); - accum += 1.0; - radius += params.blur_scale / radius; - } - - color /= accum; - - imageStore(bokeh_image, pos, color); -#endif - -#ifdef MODE_COMPOSITE_BOKEH - - uv += pixel_size * 0.5; - vec4 color = imageLoad(color_image, pos); - vec4 bokeh = texture(source_bokeh, uv); - - float mix_amount; - if (bokeh.a < color.a) { - mix_amount = min(1.0, max(0.0, max(abs(color.a), abs(bokeh.a)) - DEPTH_GAP)); - } else { - mix_amount = min(1.0, max(0.0, abs(color.a) - DEPTH_GAP)); - } - - color.rgb = mix(color.rgb, bokeh.rgb, mix_amount); //blend between hires and lowres - - color.a = 0; //reset alpha - imageStore(color_image, pos, color); -#endif -} diff --git a/servers/visual/rasterizer_rd/shaders/canvas.glsl b/servers/visual/rasterizer_rd/shaders/canvas.glsl deleted file mode 100644 index 28135fce31..0000000000 --- a/servers/visual/rasterizer_rd/shaders/canvas.glsl +++ /dev/null @@ -1,584 +0,0 @@ -/* clang-format off */ -[vertex] - -#version 450 - -VERSION_DEFINES - -#ifdef USE_ATTRIBUTES -layout(location = 0) in vec2 vertex_attrib; -/* clang-format on */ -layout(location = 3) in vec4 color_attrib; -layout(location = 4) in vec2 uv_attrib; - -layout(location = 6) in uvec4 bones_attrib; - -#endif - -#include "canvas_uniforms_inc.glsl" - -layout(location = 0) out vec2 uv_interp; -layout(location = 1) out vec4 color_interp; -layout(location = 2) out vec2 vertex_interp; - -#ifdef USE_NINEPATCH - -layout(location = 3) out vec2 pixel_size_interp; - -#endif - -#ifdef USE_MATERIAL_UNIFORMS -layout(set = 1, binding = 1, std140) uniform MaterialUniforms{ - /* clang-format off */ -MATERIAL_UNIFORMS - /* clang-format on */ -} material; -#endif - -/* clang-format off */ -VERTEX_SHADER_GLOBALS -/* clang-format on */ - -void main() { - - vec4 instance_custom = vec4(0.0); -#ifdef USE_PRIMITIVE - - //weird bug, - //this works - vec2 vertex; - vec2 uv; - vec4 color; - - if (gl_VertexIndex == 0) { - vertex = draw_data.points[0]; - uv = draw_data.uvs[0]; - color = vec4(unpackHalf2x16(draw_data.colors[0]), unpackHalf2x16(draw_data.colors[1])); - } else if (gl_VertexIndex == 1) { - vertex = draw_data.points[1]; - uv = draw_data.uvs[1]; - color = vec4(unpackHalf2x16(draw_data.colors[2]), unpackHalf2x16(draw_data.colors[3])); - } else { - vertex = draw_data.points[2]; - uv = draw_data.uvs[2]; - color = vec4(unpackHalf2x16(draw_data.colors[4]), unpackHalf2x16(draw_data.colors[5])); - } - uvec4 bones = uvec4(0, 0, 0, 0); - -#elif defined(USE_ATTRIBUTES) - - vec2 vertex = vertex_attrib; - vec4 color = color_attrib; - vec2 uv = uv_attrib; - - uvec4 bones = bones_attrib; -#else - - vec2 vertex_base_arr[4] = vec2[](vec2(0.0, 0.0), vec2(0.0, 1.0), vec2(1.0, 1.0), vec2(1.0, 0.0)); - vec2 vertex_base = vertex_base_arr[gl_VertexIndex]; - - vec2 uv = draw_data.src_rect.xy + abs(draw_data.src_rect.zw) * ((draw_data.flags & FLAGS_TRANSPOSE_RECT) != 0 ? vertex_base.yx : vertex_base.xy); - vec4 color = draw_data.modulation; - vec2 vertex = draw_data.dst_rect.xy + abs(draw_data.dst_rect.zw) * mix(vertex_base, vec2(1.0, 1.0) - vertex_base, lessThan(draw_data.src_rect.zw, vec2(0.0, 0.0))); - uvec4 bones = uvec4(0, 0, 0, 0); - -#endif - - mat4 world_matrix = mat4(vec4(draw_data.world_x, 0.0, 0.0), vec4(draw_data.world_y, 0.0, 0.0), vec4(0.0, 0.0, 1.0, 0.0), vec4(draw_data.world_ofs, 0.0, 1.0)); - -#if 0 - if (draw_data.flags & FLAGS_INSTANCING_ENABLED) { - - uint offset = draw_data.flags & FLAGS_INSTANCING_STRIDE_MASK; - offset *= gl_InstanceIndex; - mat4 instance_xform = mat4( - vec4(texelFetch(instancing_buffer, offset + 0), texelFetch(instancing_buffer, offset + 1), 0.0, texelFetch(instancing_buffer, offset + 3)), - vec4(texelFetch(instancing_buffer, offset + 4), texelFetch(instancing_buffer, offset + 5), 0.0, texelFetch(instancing_buffer, offset + 7)), - vec4(0.0, 0.0, 1.0, 0.0), - vec4(0.0, 0.0, 0.0, 1.0)); - offset += 8; - if (draw_data.flags & FLAGS_INSTANCING_HAS_COLORS) { - vec4 instance_color; - if (draw_data.flags & FLAGS_INSTANCING_COLOR_8_BIT) { - uint bits = floatBitsToUint(texelFetch(instancing_buffer, offset)); - instance_color = unpackUnorm4x8(bits); - offset += 1; - } else { - instance_color = vec4(texelFetch(instancing_buffer, offset + 0), texelFetch(instancing_buffer, offset + 1), texelFetch(instancing_buffer, offset + 2), texelFetch(instancing_buffer, offset + 3)); - offser += 4; - } - - color *= instance_color; - } - if (draw_data.flags & FLAGS_INSTANCING_HAS_CUSTOM_DATA) { - if (draw_data.flags & FLAGS_INSTANCING_CUSTOM_DATA_8_BIT) { - uint bits = floatBitsToUint(texelFetch(instancing_buffer, offset)); - instance_custom = unpackUnorm4x8(bits); - } else { - instance_custom = vec4(texelFetch(instancing_buffer, offset + 0), texelFetch(instancing_buffer, offset + 1), texelFetch(instancing_buffer, offset + 2), texelFetch(instancing_buffer, offset + 3)); - } - } - } - -#endif - -#if !defined(USE_ATTRIBUTES) && !defined(USE_PRIMITIVE) - if (bool(draw_data.flags & FLAGS_USING_PARTICLES)) { - //scale by texture size - vertex /= draw_data.color_texture_pixel_size; - } -#endif - -#ifdef USE_POINT_SIZE - float point_size = 1.0; -#endif - { - /* clang-format off */ -VERTEX_SHADER_CODE - /* clang-format on */ - } - -#ifdef USE_NINEPATCH - pixel_size_interp = abs(draw_data.dst_rect.zw) * vertex_base; -#endif - -#if !defined(SKIP_TRANSFORM_USED) - vertex = (world_matrix * vec4(vertex, 0.0, 1.0)).xy; -#endif - - color_interp = color; - - if (bool(draw_data.flags & FLAGS_USE_PIXEL_SNAP)) { - - vertex = floor(vertex + 0.5); - // precision issue on some hardware creates artifacts within texture - // offset uv by a small amount to avoid - uv += 1e-5; - } - -#ifdef USE_ATTRIBUTES -#if 0 - if (bool(draw_data.flags & FLAGS_USE_SKELETON) && bone_weights != vec4(0.0)) { //must be a valid bone - //skeleton transform - - ivec4 bone_indicesi = ivec4(bone_indices); - - uvec2 tex_ofs = bone_indicesi.x * 2; - - mat2x4 m; - m = mat2x4( - texelFetch(skeleton_buffer, tex_ofs + 0), - texelFetch(skeleton_buffer, tex_ofs + 1)) * - bone_weights.x; - - tex_ofs = bone_indicesi.y * 2; - - m += mat2x4( - texelFetch(skeleton_buffer, tex_ofs + 0), - texelFetch(skeleton_buffer, tex_ofs + 1)) * - bone_weights.y; - - tex_ofs = bone_indicesi.z * 2; - - m += mat2x4( - texelFetch(skeleton_buffer, tex_ofs + 0), - texelFetch(skeleton_buffer, tex_ofs + 1)) * - bone_weights.z; - - tex_ofs = bone_indicesi.w * 2; - - m += mat2x4( - texelFetch(skeleton_buffer, tex_ofs + 0), - texelFetch(skeleton_buffer, tex_ofs + 1)) * - bone_weights.w; - - mat4 bone_matrix = skeleton_data.skeleton_transform * transpose(mat4(m[0], m[1], vec4(0.0, 0.0, 1.0, 0.0), vec4(0.0, 0.0, 0.0, 1.0))) * skeleton_data.skeleton_transform_inverse; - - //outvec = bone_matrix * outvec; - } -#endif -#endif - - vertex = (canvas_data.canvas_transform * vec4(vertex, 0.0, 1.0)).xy; - - vertex_interp = vertex; - uv_interp = uv; - - gl_Position = canvas_data.screen_transform * vec4(vertex, 0.0, 1.0); - -#ifdef USE_POINT_SIZE - gl_PointSize = point_size; -#endif -} - -/* clang-format off */ -[fragment] - -#version 450 - -VERSION_DEFINES - -#include "canvas_uniforms_inc.glsl" - -layout(location = 0) in vec2 uv_interp; -/* clang-format on */ -layout(location = 1) in vec4 color_interp; -layout(location = 2) in vec2 vertex_interp; - -#ifdef USE_NINEPATCH - -layout(location = 3) in vec2 pixel_size_interp; - -#endif - -layout(location = 0) out vec4 frag_color; - -#ifdef USE_MATERIAL_UNIFORMS -layout(set = 1, binding = 1, std140) uniform MaterialUniforms{ - /* clang-format off */ -MATERIAL_UNIFORMS - /* clang-format on */ -} material; -#endif - -/* clang-format off */ -FRAGMENT_SHADER_GLOBALS -/* clang-format on */ - -#ifdef LIGHT_SHADER_CODE_USED - -vec4 light_compute( - vec3 light_vertex, - vec3 light_position, - vec3 normal, - vec4 light_color, - float light_energy, - vec4 specular_shininess, - inout vec4 shadow_modulate, - vec2 screen_uv, - vec2 uv, - vec4 color) { - - vec4 light = vec4(0.0); - /* clang-format off */ -LIGHT_SHADER_CODE - /* clang-format on */ - return light; -} - -#endif - -#ifdef USE_NINEPATCH - -float map_ninepatch_axis(float pixel, float draw_size, float tex_pixel_size, float margin_begin, float margin_end, int np_repeat, inout int draw_center) { - - float tex_size = 1.0 / tex_pixel_size; - - if (pixel < margin_begin) { - return pixel * tex_pixel_size; - } else if (pixel >= draw_size - margin_end) { - return (tex_size - (draw_size - pixel)) * tex_pixel_size; - } else { - if (!bool(draw_data.flags & FLAGS_NINEPACH_DRAW_CENTER)) { - draw_center--; - } - - // np_repeat is passed as uniform using NinePatchRect::AxisStretchMode enum. - if (np_repeat == 0) { // Stretch. - // Convert to ratio. - float ratio = (pixel - margin_begin) / (draw_size - margin_begin - margin_end); - // Scale to source texture. - return (margin_begin + ratio * (tex_size - margin_begin - margin_end)) * tex_pixel_size; - } else if (np_repeat == 1) { // Tile. - // Convert to offset. - float ofs = mod((pixel - margin_begin), tex_size - margin_begin - margin_end); - // Scale to source texture. - return (margin_begin + ofs) * tex_pixel_size; - } else if (np_repeat == 2) { // Tile Fit. - // Calculate scale. - float src_area = draw_size - margin_begin - margin_end; - float dst_area = tex_size - margin_begin - margin_end; - float scale = max(1.0, floor(src_area / max(dst_area, 0.0000001) + 0.5)); - // Convert to ratio. - float ratio = (pixel - margin_begin) / src_area; - ratio = mod(ratio * scale, 1.0); - // Scale to source texture. - return (margin_begin + ratio * dst_area) * tex_pixel_size; - } else { // Shouldn't happen, but silences compiler warning. - return 0.0; - } - } -} - -#endif - -void main() { - - vec4 color = color_interp; - vec2 uv = uv_interp; - vec2 vertex = vertex_interp; - -#if !defined(USE_ATTRIBUTES) && !defined(USE_PRIMITIVE) - -#ifdef USE_NINEPATCH - - int draw_center = 2; - uv = vec2( - map_ninepatch_axis(pixel_size_interp.x, abs(draw_data.dst_rect.z), draw_data.color_texture_pixel_size.x, draw_data.ninepatch_margins.x, draw_data.ninepatch_margins.z, int(draw_data.flags >> FLAGS_NINEPATCH_H_MODE_SHIFT) & 0x3, draw_center), - map_ninepatch_axis(pixel_size_interp.y, abs(draw_data.dst_rect.w), draw_data.color_texture_pixel_size.y, draw_data.ninepatch_margins.y, draw_data.ninepatch_margins.w, int(draw_data.flags >> FLAGS_NINEPATCH_V_MODE_SHIFT) & 0x3, draw_center)); - - if (draw_center == 0) { - color.a = 0.0; - } - - uv = uv * draw_data.src_rect.zw + draw_data.src_rect.xy; //apply region if needed - -#endif - if (bool(draw_data.flags & FLAGS_CLIP_RECT_UV)) { - - uv = clamp(uv, draw_data.src_rect.xy, draw_data.src_rect.xy + abs(draw_data.src_rect.zw)); - } - -#endif - - color *= texture(sampler2D(color_texture, texture_sampler), uv); - - uint light_count = (draw_data.flags >> FLAGS_LIGHT_COUNT_SHIFT) & 0xF; //max 16 lights - - vec3 normal; - -#if defined(NORMAL_USED) - - bool normal_used = true; -#else - bool normal_used = false; -#endif - - if (normal_used || (light_count > 0 && bool(draw_data.flags & FLAGS_DEFAULT_NORMAL_MAP_USED))) { - normal.xy = texture(sampler2D(normal_texture, texture_sampler), uv).xy * vec2(2.0, -2.0) - vec2(1.0, -1.0); - normal.z = sqrt(1.0 - dot(normal.xy, normal.xy)); - normal_used = true; - } else { - normal = vec3(0.0, 0.0, 1.0); - } - - vec4 specular_shininess; - -#if defined(SPECULAR_SHININESS_USED) - - bool specular_shininess_used = true; -#else - bool specular_shininess_used = false; -#endif - - if (specular_shininess_used || (light_count > 0 && normal_used && bool(draw_data.flags & FLAGS_DEFAULT_SPECULAR_MAP_USED))) { - specular_shininess = texture(sampler2D(specular_texture, texture_sampler), uv); - specular_shininess *= unpackUnorm4x8(draw_data.specular_shininess); - specular_shininess_used = true; - } else { - specular_shininess = vec4(1.0); - } - -#if defined(SCREEN_UV_USED) - vec2 screen_uv = gl_FragCoord.xy * canvas_data.screen_pixel_size; -#else - vec2 screen_uv = vec2(0.0); -#endif - - vec3 light_vertex = vec3(vertex, 0.0); - vec2 shadow_vertex = vertex; - - { - float normal_depth = 1.0; - -#if defined(NORMALMAP_USED) - vec3 normal_map = vec3(0.0, 0.0, 1.0); - normal_used = true; -#endif - - /* clang-format off */ - -FRAGMENT_SHADER_CODE - - /* clang-format on */ - -#if defined(NORMALMAP_USED) - normal = mix(vec3(0.0, 0.0, 1.0), normal_map * vec3(2.0, -2.0, 1.0) - vec3(1.0, -1.0, 0.0), normal_depth); -#endif - } - - if (normal_used) { - //convert by item transform - normal.xy = mat2(normalize(draw_data.world_x), normalize(draw_data.world_y)) * normal.xy; - //convert by canvas transform - normal = normalize((canvas_data.canvas_normal_transform * vec4(normal, 0.0)).xyz); - } - - vec4 base_color = color; - if (bool(draw_data.flags & FLAGS_USING_LIGHT_MASK)) { - color = vec4(0.0); //invisible by default due to using light mask - } - - color *= canvas_data.canvas_modulation; -#ifdef USE_LIGHTING - for (uint i = 0; i < MAX_LIGHT_TEXTURES; i++) { - if (i >= light_count) { - break; - } - uint light_base; - if (i < 8) { - if (i < 4) { - light_base = draw_data.lights[0]; - } else { - light_base = draw_data.lights[1]; - } - } else { - if (i < 12) { - light_base = draw_data.lights[2]; - } else { - light_base = draw_data.lights[3]; - } - } - light_base >>= (i & 3) * 8; - light_base &= 0xFF; - - vec2 tex_uv = (vec4(vertex, 0.0, 1.0) * mat4(light_array.data[light_base].texture_matrix[0], light_array.data[light_base].texture_matrix[1], vec4(0.0, 0.0, 1.0, 0.0), vec4(0.0, 0.0, 0.0, 1.0))).xy; //multiply inverse given its transposed. Optimizer removes useless operations. - vec4 light_color = texture(sampler2D(light_textures[i], texture_sampler), tex_uv); - vec4 light_base_color = light_array.data[light_base].color; - -#ifdef LIGHT_SHADER_CODE_USED - - vec4 shadow_modulate = vec4(1.0); - vec3 light_position = vec3(light_array.data[light_base].position, light_array.data[light_base].height); - - light_color.rgb *= light_base_color.rgb; - light_color = light_compute(light_vertex, light_position, normal, light_color, light_base_color.a, specular_shininess, shadow_modulate, screen_uv, color, uv); -#else - - light_color.rgb *= light_base_color.rgb * light_base_color.a; - - if (normal_used) { - - vec3 light_pos = vec3(light_array.data[light_base].position, light_array.data[light_base].height); - vec3 pos = light_vertex; - vec3 light_vec = normalize(light_pos - pos); - float cNdotL = max(0.0, dot(normal, light_vec)); - - if (specular_shininess_used) { - //blinn - vec3 view = vec3(0.0, 0.0, 1.0); // not great but good enough - vec3 half_vec = normalize(view + light_vec); - - float cNdotV = max(dot(normal, view), 0.0); - float cNdotH = max(dot(normal, half_vec), 0.0); - float cVdotH = max(dot(view, half_vec), 0.0); - float cLdotH = max(dot(light_vec, half_vec), 0.0); - float shininess = exp2(15.0 * specular_shininess.a + 1.0) * 0.25; - float blinn = pow(cNdotH, shininess); - blinn *= (shininess + 8.0) * (1.0 / (8.0 * M_PI)); - float s = (blinn) / max(4.0 * cNdotV * cNdotL, 0.75); - - light_color.rgb = specular_shininess.rgb * light_base_color.rgb * s + light_color.rgb * cNdotL; - } else { - light_color.rgb *= cNdotL; - } - } -#endif - if (any(lessThan(tex_uv, vec2(0.0, 0.0))) || any(greaterThanEqual(tex_uv, vec2(1.0, 1.0)))) { - //if outside the light texture, light color is zero - light_color.a = 0.0; - } - - if (bool(light_array.data[light_base].flags & LIGHT_FLAGS_HAS_SHADOW)) { - - vec2 shadow_pos = (vec4(shadow_vertex, 0.0, 1.0) * mat4(light_array.data[light_base].shadow_matrix[0], light_array.data[light_base].shadow_matrix[1], vec4(0.0, 0.0, 1.0, 0.0), vec4(0.0, 0.0, 0.0, 1.0))).xy; //multiply inverse given its transposed. Optimizer removes useless operations. - - vec2 pos_norm = normalize(shadow_pos); - vec2 pos_abs = abs(pos_norm); - vec2 pos_box = pos_norm / max(pos_abs.x, pos_abs.y); - vec2 pos_rot = pos_norm * mat2(vec2(0.7071067811865476, -0.7071067811865476), vec2(0.7071067811865476, 0.7071067811865476)); //is there a faster way to 45 degrees rot? - float tex_ofs; - float distance; - if (pos_rot.y > 0) { - if (pos_rot.x > 0) { - tex_ofs = pos_box.y * 0.125 + 0.125; - distance = shadow_pos.x; - } else { - tex_ofs = pos_box.x * -0.125 + (0.25 + 0.125); - distance = shadow_pos.y; - } - } else { - if (pos_rot.x < 0) { - tex_ofs = pos_box.y * -0.125 + (0.5 + 0.125); - distance = -shadow_pos.x; - } else { - tex_ofs = pos_box.x * 0.125 + (0.75 + 0.125); - distance = -shadow_pos.y; - } - } - - //float distance = length(shadow_pos); - float shadow; - uint shadow_mode = light_array.data[light_base].flags & LIGHT_FLAGS_FILTER_MASK; - - vec4 shadow_uv = vec4(tex_ofs, 0.0, distance, 1.0); - - if (shadow_mode == LIGHT_FLAGS_SHADOW_NEAREST) { - shadow = textureProj(sampler2DShadow(shadow_textures[i], shadow_sampler), shadow_uv).x; - } else if (shadow_mode == LIGHT_FLAGS_SHADOW_PCF5) { - vec4 shadow_pixel_size = vec4(light_array.data[light_base].shadow_pixel_size, 0.0, 0.0, 0.0); - shadow = 0.0; - shadow += textureProj(sampler2DShadow(shadow_textures[i], shadow_sampler), shadow_uv - shadow_pixel_size * 2.0).x; - shadow += textureProj(sampler2DShadow(shadow_textures[i], shadow_sampler), shadow_uv - shadow_pixel_size).x; - shadow += textureProj(sampler2DShadow(shadow_textures[i], shadow_sampler), shadow_uv).x; - shadow += textureProj(sampler2DShadow(shadow_textures[i], shadow_sampler), shadow_uv + shadow_pixel_size).x; - shadow += textureProj(sampler2DShadow(shadow_textures[i], shadow_sampler), shadow_uv + shadow_pixel_size * 2.0).x; - shadow /= 5.0; - } else { //PCF13 - vec4 shadow_pixel_size = vec4(light_array.data[light_base].shadow_pixel_size, 0.0, 0.0, 0.0); - shadow = 0.0; - shadow += textureProj(sampler2DShadow(shadow_textures[i], shadow_sampler), shadow_uv - shadow_pixel_size * 6.0).x; - shadow += textureProj(sampler2DShadow(shadow_textures[i], shadow_sampler), shadow_uv - shadow_pixel_size * 5.0).x; - shadow += textureProj(sampler2DShadow(shadow_textures[i], shadow_sampler), shadow_uv - shadow_pixel_size * 4.0).x; - shadow += textureProj(sampler2DShadow(shadow_textures[i], shadow_sampler), shadow_uv - shadow_pixel_size * 3.0).x; - shadow += textureProj(sampler2DShadow(shadow_textures[i], shadow_sampler), shadow_uv - shadow_pixel_size * 2.0).x; - shadow += textureProj(sampler2DShadow(shadow_textures[i], shadow_sampler), shadow_uv - shadow_pixel_size).x; - shadow += textureProj(sampler2DShadow(shadow_textures[i], shadow_sampler), shadow_uv).x; - shadow += textureProj(sampler2DShadow(shadow_textures[i], shadow_sampler), shadow_uv + shadow_pixel_size).x; - shadow += textureProj(sampler2DShadow(shadow_textures[i], shadow_sampler), shadow_uv + shadow_pixel_size * 2.0).x; - shadow += textureProj(sampler2DShadow(shadow_textures[i], shadow_sampler), shadow_uv + shadow_pixel_size * 3.0).x; - shadow += textureProj(sampler2DShadow(shadow_textures[i], shadow_sampler), shadow_uv + shadow_pixel_size * 4.0).x; - shadow += textureProj(sampler2DShadow(shadow_textures[i], shadow_sampler), shadow_uv + shadow_pixel_size * 5.0).x; - shadow += textureProj(sampler2DShadow(shadow_textures[i], shadow_sampler), shadow_uv + shadow_pixel_size * 6.0).x; - shadow /= 13.0; - } - - vec4 shadow_color = light_array.data[light_base].shadow_color; -#ifdef LIGHT_SHADER_CODE_USED - shadow_color *= shadow_modulate; -#endif - light_color = mix(light_color, shadow_color, shadow); - } - - uint blend_mode = light_array.data[light_base].flags & LIGHT_FLAGS_BLEND_MASK; - - switch (blend_mode) { - case LIGHT_FLAGS_BLEND_MODE_ADD: { - color.rgb += light_color.rgb * light_color.a; - } break; - case LIGHT_FLAGS_BLEND_MODE_SUB: { - color.rgb -= light_color.rgb * light_color.a; - } break; - case LIGHT_FLAGS_BLEND_MODE_MIX: { - color.rgb = mix(color.rgb, light_color.rgb, light_color.a); - } break; - case LIGHT_FLAGS_BLEND_MODE_MASK: { - light_color.a *= base_color.a; - color.rgb = mix(color.rgb, light_color.rgb, light_color.a); - } break; - } - } -#endif - - frag_color = color; -} diff --git a/servers/visual/rasterizer_rd/shaders/canvas_occlusion.glsl b/servers/visual/rasterizer_rd/shaders/canvas_occlusion.glsl deleted file mode 100644 index 7b30cc8fe9..0000000000 --- a/servers/visual/rasterizer_rd/shaders/canvas_occlusion.glsl +++ /dev/null @@ -1,40 +0,0 @@ -/* clang-format off */ -[vertex] - -#version 450 - -layout(location = 0) in highp vec3 vertex; -/* clang-format on */ - -layout(push_constant, binding = 0, std430) uniform Constants { - - mat4 projection; - mat2x4 modelview; - vec2 direction; - vec2 pad; -} -constants; - -layout(location = 0) out highp float depth; - -void main() { - - highp vec4 vtx = vec4(vertex, 1.0) * mat4(constants.modelview[0], constants.modelview[1], vec4(0.0, 0.0, 1.0, 0.0), vec4(0.0, 0.0, 0.0, 1.0)); - depth = dot(constants.direction, vtx.xy); - - gl_Position = constants.projection * vtx; -} - -/* clang-format off */ -[fragment] - -#version 450 - -layout(location = 0) in highp float depth; -/* clang-format on */ -layout(location = 0) out highp float distance_buf; - -void main() { - - distance_buf = depth; -} diff --git a/servers/visual/rasterizer_rd/shaders/canvas_uniforms_inc.glsl b/servers/visual/rasterizer_rd/shaders/canvas_uniforms_inc.glsl deleted file mode 100644 index 1ac43480cd..0000000000 --- a/servers/visual/rasterizer_rd/shaders/canvas_uniforms_inc.glsl +++ /dev/null @@ -1,141 +0,0 @@ -#define M_PI 3.14159265359 - -#define FLAGS_INSTANCING_STRIDE_MASK 0xF -#define FLAGS_INSTANCING_ENABLED (1 << 4) -#define FLAGS_INSTANCING_HAS_COLORS (1 << 5) -#define FLAGS_INSTANCING_COLOR_8BIT (1 << 6) -#define FLAGS_INSTANCING_HAS_CUSTOM_DATA (1 << 7) -#define FLAGS_INSTANCING_CUSTOM_DATA_8_BIT (1 << 8) - -#define FLAGS_CLIP_RECT_UV (1 << 9) -#define FLAGS_TRANSPOSE_RECT (1 << 10) -#define FLAGS_USING_LIGHT_MASK (1 << 11) -#define FLAGS_NINEPACH_DRAW_CENTER (1 << 12) -#define FLAGS_USING_PARTICLES (1 << 13) -#define FLAGS_USE_PIXEL_SNAP (1 << 14) - -#define FLAGS_NINEPATCH_H_MODE_SHIFT 16 -#define FLAGS_NINEPATCH_V_MODE_SHIFT 18 - -#define FLAGS_LIGHT_COUNT_SHIFT 20 - -#define FLAGS_DEFAULT_NORMAL_MAP_USED (1 << 26) -#define FLAGS_DEFAULT_SPECULAR_MAP_USED (1 << 27) - -// In vulkan, sets should always be ordered using the following logic: -// Lower Sets: Sets that change format and layout less often -// Higher sets: Sets that change format and layout very often -// This is because changing a set for another with a different layout or format, -// invalidates all the upper ones. - -/* SET0: Draw Primitive */ - -layout(push_constant, binding = 0, std430) uniform DrawData { - vec2 world_x; - vec2 world_y; - vec2 world_ofs; - uint flags; - uint specular_shininess; -#ifdef USE_PRIMITIVE - vec2 points[3]; - vec2 uvs[3]; - uint colors[6]; -#else - vec4 modulation; - vec4 ninepatch_margins; - vec4 dst_rect; //for built-in rect and UV - vec4 src_rect; - vec2 pad; - -#endif - vec2 color_texture_pixel_size; - uint lights[4]; -} -draw_data; - -// The values passed per draw primitives are cached within it - -layout(set = 0, binding = 1) uniform texture2D color_texture; -layout(set = 0, binding = 2) uniform texture2D normal_texture; -layout(set = 0, binding = 3) uniform texture2D specular_texture; -layout(set = 0, binding = 4) uniform sampler texture_sampler; - -layout(set = 0, binding = 5) uniform textureBuffer instancing_buffer; - -/* SET1: Is reserved for the material */ - -#ifdef USE_MATERIAL_SAMPLERS - -layout(set = 1, binding = 0) uniform sampler material_samplers[12]; - -#endif - -/* SET2: Canvas Item State (including lighting) */ - -layout(set = 2, binding = 0, std140) uniform CanvasData { - mat4 canvas_transform; - mat4 screen_transform; - mat4 canvas_normal_transform; - vec4 canvas_modulation; - vec2 screen_pixel_size; - float time; - float time_pad; - //uint light_count; -} -canvas_data; - -layout(set = 2, binding = 1) uniform textureBuffer skeleton_buffer; - -layout(set = 2, binding = 2, std140) uniform SkeletonData { - mat4 skeleton_transform; //in world coordinates - mat4 skeleton_transform_inverse; -} -skeleton_data; - -#ifdef USE_LIGHTING - -#define LIGHT_FLAGS_BLEND_MASK (3 << 16) -#define LIGHT_FLAGS_BLEND_MODE_ADD (0 << 16) -#define LIGHT_FLAGS_BLEND_MODE_SUB (1 << 16) -#define LIGHT_FLAGS_BLEND_MODE_MIX (2 << 16) -#define LIGHT_FLAGS_BLEND_MODE_MASK (3 << 16) -#define LIGHT_FLAGS_HAS_SHADOW (1 << 20) -#define LIGHT_FLAGS_FILTER_SHIFT 22 -#define LIGHT_FLAGS_FILTER_MASK (3 << 22) -#define LIGHT_FLAGS_SHADOW_NEAREST (0 << 22) -#define LIGHT_FLAGS_SHADOW_PCF5 (1 << 22) -#define LIGHT_FLAGS_SHADOW_PCF13 (2 << 22) - -struct Light { - mat2x4 texture_matrix; //light to texture coordinate matrix (transposed) - mat2x4 shadow_matrix; //light to shadow coordinate matrix (transposed) - vec4 color; - vec4 shadow_color; - vec2 position; - uint flags; //index to light texture - float height; - float shadow_pixel_size; - float pad0; - float pad1; - float pad2; -}; - -layout(set = 2, binding = 3, std140) uniform LightData { - Light data[MAX_LIGHTS]; -} -light_array; - -layout(set = 2, binding = 4) uniform texture2D light_textures[MAX_LIGHT_TEXTURES]; -layout(set = 2, binding = 5) uniform texture2D shadow_textures[MAX_LIGHT_TEXTURES]; - -layout(set = 2, binding = 6) uniform sampler shadow_sampler; - -#endif - -/* SET3: Render Target Data */ - -#ifdef SCREEN_TEXTURE_USED - -layout(set = 3, binding = 0) uniform texture2D screen_texture; - -#endif diff --git a/servers/visual/rasterizer_rd/shaders/copy.glsl b/servers/visual/rasterizer_rd/shaders/copy.glsl deleted file mode 100644 index cbb9b546a3..0000000000 --- a/servers/visual/rasterizer_rd/shaders/copy.glsl +++ /dev/null @@ -1,86 +0,0 @@ -/* clang-format off */ -[vertex] - -#version 450 - -VERSION_DEFINES - -layout(location = 0) out vec2 uv_interp; -/* clang-format on */ - -void main() { - - vec2 base_arr[4] = vec2[](vec2(0.0, 0.0), vec2(0.0, 1.0), vec2(1.0, 1.0), vec2(1.0, 0.0)); - uv_interp = base_arr[gl_VertexIndex]; - - gl_Position = vec4(uv_interp * 2.0 - 1.0, 0.0, 1.0); -} - -/* clang-format off */ -[fragment] - -#version 450 - -VERSION_DEFINES - -layout(location = 0) in vec2 uv_interp; -/* clang-format on */ - -#ifdef MODE_CUBE_TO_DP - -layout(set = 0, binding = 0) uniform samplerCube source_cube; - -layout(push_constant, binding = 0, std430) uniform Params { - float bias; - float z_far; - float z_near; - bool z_flip; -} -params; - -layout(location = 0) out float depth_buffer; - -#endif - -void main() { - -#ifdef MODE_CUBE_TO_DP - - vec3 normal = vec3(uv_interp * 2.0 - 1.0, 0.0); - - normal.z = 0.5 - 0.5 * ((normal.x * normal.x) + (normal.y * normal.y)); - normal = normalize(normal); - - normal.y = -normal.y; //needs to be flipped to match projection matrix - if (!params.z_flip) { - normal.z = -normal.z; - } - - float depth = texture(source_cube, normal).r; - - // absolute values for direction cosines, bigger value equals closer to basis axis - vec3 unorm = abs(normal); - - if ((unorm.x >= unorm.y) && (unorm.x >= unorm.z)) { - // x code - unorm = normal.x > 0.0 ? vec3(1.0, 0.0, 0.0) : vec3(-1.0, 0.0, 0.0); - } else if ((unorm.y > unorm.x) && (unorm.y >= unorm.z)) { - // y code - unorm = normal.y > 0.0 ? vec3(0.0, 1.0, 0.0) : vec3(0.0, -1.0, 0.0); - } else if ((unorm.z > unorm.x) && (unorm.z > unorm.y)) { - // z code - unorm = normal.z > 0.0 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 0.0, -1.0); - } else { - // oh-no we messed up code - // has to be - unorm = vec3(1.0, 0.0, 0.0); - } - - float depth_fix = 1.0 / dot(normal, unorm); - - depth = 2.0 * depth - 1.0; - float linear_depth = 2.0 * params.z_near * params.z_far / (params.z_far + params.z_near - depth * (params.z_far - params.z_near)); - depth_buffer = (linear_depth * depth_fix + params.bias) / params.z_far; - -#endif -} diff --git a/servers/visual/rasterizer_rd/shaders/cubemap_downsampler.glsl b/servers/visual/rasterizer_rd/shaders/cubemap_downsampler.glsl deleted file mode 100644 index b9cb0e848c..0000000000 --- a/servers/visual/rasterizer_rd/shaders/cubemap_downsampler.glsl +++ /dev/null @@ -1,220 +0,0 @@ -// Copyright 2016 Activision Publishing, Inc. -// -// Permission is hereby granted, free of charge, to any person obtaining -// a copy of this software and associated documentation files (the "Software"), -// to deal in the Software without restriction, including without limitation -// the rights to use, copy, modify, merge, publish, distribute, sublicense, -// and/or sell copies of the Software, and to permit persons to whom the Software -// is furnished to do so, subject to the following conditions: -// -// The above copyright notice and this permission notice shall be included in all -// copies or substantial portions of the Software. -// -// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -// SOFTWARE. - -/* clang-format off */ -[compute] - -#version 450 - -VERSION_DEFINES - -#define BLOCK_SIZE 8 - -layout(local_size_x = BLOCK_SIZE, local_size_y = BLOCK_SIZE, local_size_z = 1) in; -/* clang-format on */ - -#ifdef MODE_SOURCE_PANORAMA -layout(set = 0, binding = 0) uniform sampler2D source_panorama; -#endif - -#ifdef MODE_SOURCE_CUBEMAP -layout(set = 0, binding = 0) uniform samplerCube source_cubemap; -#endif - -layout(rgba16f, set = 1, binding = 0) uniform restrict writeonly imageCube dest_cubemap; - -layout(push_constant, binding = 1, std430) uniform Params { - uint face_size; -} -params; - -#define M_PI 3.14159265359 - -void get_dir_0(out vec3 dir, in float u, in float v) { - dir[0] = 1.0; - dir[1] = v; - dir[2] = -u; -} -void get_dir_1(out vec3 dir, in float u, in float v) { - dir[0] = -1.0; - dir[1] = v; - dir[2] = u; -} -void get_dir_2(out vec3 dir, in float u, in float v) { - dir[0] = u; - dir[1] = 1.0; - dir[2] = -v; -} -void get_dir_3(out vec3 dir, in float u, in float v) { - dir[0] = u; - dir[1] = -1.0; - dir[2] = v; -} -void get_dir_4(out vec3 dir, in float u, in float v) { - dir[0] = u; - dir[1] = v; - dir[2] = 1.0; -} -void get_dir_5(out vec3 dir, in float u, in float v) { - dir[0] = -u; - dir[1] = v; - dir[2] = -1.0; -} - -float calcWeight(float u, float v) { - float val = u * u + v * v + 1.0; - return val * sqrt(val); -} - -#ifdef MODE_SOURCE_PANORAMA - -vec4 texturePanorama(vec3 normal, sampler2D pano) { - - vec2 st = vec2( - atan(normal.x, -normal.z), - acos(normal.y)); - - if (st.x < 0.0) - st.x += M_PI * 2.0; - - st /= vec2(M_PI * 2.0, M_PI); - - return textureLod(pano, st, 0.0); -} - -#endif - -vec4 get_texture(vec3 p_dir) { -#ifdef MODE_SOURCE_PANORAMA - return texturePanorama(normalize(p_dir), source_panorama); -#else - return textureLod(source_cubemap, normalize(p_dir), 0.0); -#endif -} - -void main() { - uvec3 id = gl_GlobalInvocationID; - uint face_size = params.face_size; - - if (id.x < face_size && id.y < face_size) { - float inv_face_size = 1.0 / float(face_size); - - float u0 = (float(id.x) * 2.0 + 1.0 - 0.75) * inv_face_size - 1.0; - float u1 = (float(id.x) * 2.0 + 1.0 + 0.75) * inv_face_size - 1.0; - - float v0 = (float(id.y) * 2.0 + 1.0 - 0.75) * -inv_face_size + 1.0; - float v1 = (float(id.y) * 2.0 + 1.0 + 0.75) * -inv_face_size + 1.0; - - float weights[4]; - weights[0] = calcWeight(u0, v0); - weights[1] = calcWeight(u1, v0); - weights[2] = calcWeight(u0, v1); - weights[3] = calcWeight(u1, v1); - - const float wsum = 0.5 / (weights[0] + weights[1] + weights[2] + weights[3]); - for (int i = 0; i < 4; i++) { - weights[i] = weights[i] * wsum + .125; - } - - vec3 dir; - vec4 color; - switch (id.z) { - case 0: - get_dir_0(dir, u0, v0); - color = get_texture(dir) * weights[0]; - - get_dir_0(dir, u1, v0); - color += get_texture(dir) * weights[1]; - - get_dir_0(dir, u0, v1); - color += get_texture(dir) * weights[2]; - - get_dir_0(dir, u1, v1); - color += get_texture(dir) * weights[3]; - break; - case 1: - get_dir_1(dir, u0, v0); - color = get_texture(dir) * weights[0]; - - get_dir_1(dir, u1, v0); - color += get_texture(dir) * weights[1]; - - get_dir_1(dir, u0, v1); - color += get_texture(dir) * weights[2]; - - get_dir_1(dir, u1, v1); - color += get_texture(dir) * weights[3]; - break; - case 2: - get_dir_2(dir, u0, v0); - color = get_texture(dir) * weights[0]; - - get_dir_2(dir, u1, v0); - color += get_texture(dir) * weights[1]; - - get_dir_2(dir, u0, v1); - color += get_texture(dir) * weights[2]; - - get_dir_2(dir, u1, v1); - color += get_texture(dir) * weights[3]; - break; - case 3: - get_dir_3(dir, u0, v0); - color = get_texture(dir) * weights[0]; - - get_dir_3(dir, u1, v0); - color += get_texture(dir) * weights[1]; - - get_dir_3(dir, u0, v1); - color += get_texture(dir) * weights[2]; - - get_dir_3(dir, u1, v1); - color += get_texture(dir) * weights[3]; - break; - case 4: - get_dir_4(dir, u0, v0); - color = get_texture(dir) * weights[0]; - - get_dir_4(dir, u1, v0); - color += get_texture(dir) * weights[1]; - - get_dir_4(dir, u0, v1); - color += get_texture(dir) * weights[2]; - - get_dir_4(dir, u1, v1); - color += get_texture(dir) * weights[3]; - break; - default: - get_dir_5(dir, u0, v0); - color = get_texture(dir) * weights[0]; - - get_dir_5(dir, u1, v0); - color += get_texture(dir) * weights[1]; - - get_dir_5(dir, u0, v1); - color += get_texture(dir) * weights[2]; - - get_dir_5(dir, u1, v1); - color += get_texture(dir) * weights[3]; - break; - } - imageStore(dest_cubemap, ivec3(id), color); - } -} diff --git a/servers/visual/rasterizer_rd/shaders/cubemap_filter.glsl b/servers/visual/rasterizer_rd/shaders/cubemap_filter.glsl deleted file mode 100644 index dd06647d3d..0000000000 --- a/servers/visual/rasterizer_rd/shaders/cubemap_filter.glsl +++ /dev/null @@ -1,289 +0,0 @@ -// Copyright 2016 Activision Publishing, Inc. -// -// Permission is hereby granted, free of charge, to any person obtaining -// a copy of this software and associated documentation files (the "Software"), -// to deal in the Software without restriction, including without limitation -// the rights to use, copy, modify, merge, publish, distribute, sublicense, -// and/or sell copies of the Software, and to permit persons to whom the Software -// is furnished to do so, subject to the following conditions: -// -// The above copyright notice and this permission notice shall be included in all -// copies or substantial portions of the Software. -// -// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -// SOFTWARE. - -/* clang-format off */ -[compute] - -#version 450 - -VERSION_DEFINES - -#define GROUP_SIZE 64 - -layout(local_size_x = GROUP_SIZE, local_size_y = 1, local_size_z = 1) in; -/* clang-format on */ - -layout(set = 0, binding = 0) uniform samplerCube source_cubemap; -layout(rgba16f, set = 2, binding = 0) uniform restrict writeonly imageCube dest_cubemap0; -layout(rgba16f, set = 2, binding = 1) uniform restrict writeonly imageCube dest_cubemap1; -layout(rgba16f, set = 2, binding = 2) uniform restrict writeonly imageCube dest_cubemap2; -layout(rgba16f, set = 2, binding = 3) uniform restrict writeonly imageCube dest_cubemap3; -layout(rgba16f, set = 2, binding = 4) uniform restrict writeonly imageCube dest_cubemap4; -layout(rgba16f, set = 2, binding = 5) uniform restrict writeonly imageCube dest_cubemap5; -layout(rgba16f, set = 2, binding = 6) uniform restrict writeonly imageCube dest_cubemap6; - -#ifdef USE_HIGH_QUALITY -#define NUM_TAPS 32 -#else -#define NUM_TAPS 8 -#endif - -#define BASE_RESOLUTION 128 - -#ifdef USE_HIGH_QUALITY -layout(set = 1, binding = 0, std430) buffer restrict readonly Data { - vec4[7][5][3][24] coeffs; -} -data; -#else -layout(set = 1, binding = 0, std430) buffer restrict readonly Data { - vec4[7][5][6] coeffs; -} -data; -#endif - -void get_dir(out vec3 dir, in vec2 uv, in uint face) { - switch (face) { - case 0: - dir = vec3(1.0, uv[1], -uv[0]); - break; - case 1: - dir = vec3(-1.0, uv[1], uv[0]); - break; - case 2: - dir = vec3(uv[0], 1.0, -uv[1]); - break; - case 3: - dir = vec3(uv[0], -1.0, uv[1]); - break; - case 4: - dir = vec3(uv[0], uv[1], 1.0); - break; - default: - dir = vec3(-uv[0], uv[1], -1.0); - break; - } -} - -void main() { - // INPUT: - // id.x = the linear address of the texel (ignoring face) - // id.y = the face - // -> use to index output texture - // id.x = texel x - // id.y = texel y - // id.z = face - uvec3 id = gl_GlobalInvocationID; - - // determine which texel this is -#ifndef USE_TEXTURE_ARRAY - int level = 0; - if (id.x < (128 * 128)) { - level = 0; - } else if (id.x < (128 * 128 + 64 * 64)) { - level = 1; - id.x -= (128 * 128); - } else if (id.x < (128 * 128 + 64 * 64 + 32 * 32)) { - level = 2; - id.x -= (128 * 128 + 64 * 64); - } else if (id.x < (128 * 128 + 64 * 64 + 32 * 32 + 16 * 16)) { - level = 3; - id.x -= (128 * 128 + 64 * 64 + 32 * 32); - } else if (id.x < (128 * 128 + 64 * 64 + 32 * 32 + 16 * 16 + 8 * 8)) { - level = 4; - id.x -= (128 * 128 + 64 * 64 + 32 * 32 + 16 * 16); - } else if (id.x < (128 * 128 + 64 * 64 + 32 * 32 + 16 * 16 + 8 * 8 + 4 * 4)) { - level = 5; - id.x -= (128 * 128 + 64 * 64 + 32 * 32 + 16 * 16 + 8 * 8); - } else if (id.x < (128 * 128 + 64 * 64 + 32 * 32 + 16 * 16 + 8 * 8 + 4 * 4 + 2 * 2)) { - level = 6; - id.x -= (128 * 128 + 64 * 64 + 32 * 32 + 16 * 16 + 8 * 8 + 4 * 4); - } else { - return; - } - int res = BASE_RESOLUTION >> level; -#else // Using Texture Arrays so all levels are the same resolution - int res = BASE_RESOLUTION; - int level = int(id.x / (BASE_RESOLUTION * BASE_RESOLUTION)); - id.x -= level * BASE_RESOLUTION * BASE_RESOLUTION; -#endif - - // determine dir / pos for the texel - vec3 dir, adir, frameZ; - { - id.z = id.y; - id.y = id.x / res; - id.x -= id.y * res; - - vec2 uv; - uv.x = (float(id.x) * 2.0 + 1.0) / float(res) - 1.0; - uv.y = -(float(id.y) * 2.0 + 1.0) / float(res) + 1.0; - - get_dir(dir, uv, id.z); - frameZ = normalize(dir); - - adir = abs(dir); - } - - // GGX gather colors - vec4 color = vec4(0.0); - for (int axis = 0; axis < 3; axis++) { - const int otherAxis0 = 1 - (axis & 1) - (axis >> 1); - const int otherAxis1 = 2 - (axis >> 1); - - float frameweight = (max(adir[otherAxis0], adir[otherAxis1]) - .75) / .25; - if (frameweight > 0.0) { - // determine frame - vec3 UpVector; - switch (axis) { - case 0: - UpVector = vec3(1, 0, 0); - break; - case 1: - UpVector = vec3(0, 1, 0); - break; - default: - UpVector = vec3(0, 0, 1); - break; - } - - vec3 frameX = normalize(cross(UpVector, frameZ)); - vec3 frameY = cross(frameZ, frameX); - - // calculate parametrization for polynomial - float Nx = dir[otherAxis0]; - float Ny = dir[otherAxis1]; - float Nz = adir[axis]; - - float NmaxXY = max(abs(Ny), abs(Nx)); - Nx /= NmaxXY; - Ny /= NmaxXY; - - float theta; - if (Ny < Nx) { - if (Ny <= -0.999) - theta = Nx; - else - theta = Ny; - } else { - if (Ny >= 0.999) - theta = -Nx; - else - theta = -Ny; - } - - float phi; - if (Nz <= -0.999) - phi = -NmaxXY; - else if (Nz >= 0.999) - phi = NmaxXY; - else - phi = Nz; - - float theta2 = theta * theta; - float phi2 = phi * phi; - - // sample - for (int iSuperTap = 0; iSuperTap < NUM_TAPS / 4; iSuperTap++) { - const int index = (NUM_TAPS / 4) * axis + iSuperTap; - -#ifdef USE_HIGH_QUALITY - vec4 coeffsDir0[3]; - vec4 coeffsDir1[3]; - vec4 coeffsDir2[3]; - vec4 coeffsLevel[3]; - vec4 coeffsWeight[3]; - - for (int iCoeff = 0; iCoeff < 3; iCoeff++) { - coeffsDir0[iCoeff] = data.coeffs[level][0][iCoeff][index]; - coeffsDir1[iCoeff] = data.coeffs[level][1][iCoeff][index]; - coeffsDir2[iCoeff] = data.coeffs[level][2][iCoeff][index]; - coeffsLevel[iCoeff] = data.coeffs[level][3][iCoeff][index]; - coeffsWeight[iCoeff] = data.coeffs[level][4][iCoeff][index]; - } - - for (int iSubTap = 0; iSubTap < 4; iSubTap++) { - // determine sample attributes (dir, weight, level) - vec3 sample_dir = frameX * (coeffsDir0[0][iSubTap] + coeffsDir0[1][iSubTap] * theta2 + coeffsDir0[2][iSubTap] * phi2) + frameY * (coeffsDir1[0][iSubTap] + coeffsDir1[1][iSubTap] * theta2 + coeffsDir1[2][iSubTap] * phi2) + frameZ * (coeffsDir2[0][iSubTap] + coeffsDir2[1][iSubTap] * theta2 + coeffsDir2[2][iSubTap] * phi2); - - float sample_level = coeffsLevel[0][iSubTap] + coeffsLevel[1][iSubTap] * theta2 + coeffsLevel[2][iSubTap] * phi2; - - float sample_weight = coeffsWeight[0][iSubTap] + coeffsWeight[1][iSubTap] * theta2 + coeffsWeight[2][iSubTap] * phi2; -#else - vec4 coeffsDir0 = data.coeffs[level][0][index]; - vec4 coeffsDir1 = data.coeffs[level][1][index]; - vec4 coeffsDir2 = data.coeffs[level][2][index]; - vec4 coeffsLevel = data.coeffs[level][3][index]; - vec4 coeffsWeight = data.coeffs[level][4][index]; - - for (int iSubTap = 0; iSubTap < 4; iSubTap++) { - // determine sample attributes (dir, weight, level) - vec3 sample_dir = frameX * coeffsDir0[iSubTap] + frameY * coeffsDir1[iSubTap] + frameZ * coeffsDir2[iSubTap]; - - float sample_level = coeffsLevel[iSubTap]; - - float sample_weight = coeffsWeight[iSubTap]; -#endif - - sample_weight *= frameweight; - - // adjust for jacobian - sample_dir /= max(abs(sample_dir[0]), max(abs(sample_dir[1]), abs(sample_dir[2]))); - sample_level += 0.75 * log2(dot(sample_dir, sample_dir)); -#ifndef USE_TEXTURE_ARRAY - sample_level += float(level) / 6.0; // Hack to increase the perceived roughness and reduce upscaling artifacts -#endif - // sample cubemap - color.xyz += textureLod(source_cubemap, normalize(sample_dir), sample_level).xyz * sample_weight; - color.w += sample_weight; - } - } - } - } - color /= color.w; - - // write color - color.xyz = max(vec3(0.0), color.xyz); - color.w = 1.0; - - switch (level) { - case 0: - imageStore(dest_cubemap0, ivec3(id), color); - break; - case 1: - imageStore(dest_cubemap1, ivec3(id), color); - break; - case 2: - imageStore(dest_cubemap2, ivec3(id), color); - break; - case 3: - imageStore(dest_cubemap3, ivec3(id), color); - break; - case 4: - imageStore(dest_cubemap4, ivec3(id), color); - break; - case 5: - imageStore(dest_cubemap5, ivec3(id), color); - break; - default: - imageStore(dest_cubemap6, ivec3(id), color); - break; - } -} diff --git a/servers/visual/rasterizer_rd/shaders/cubemap_roughness.glsl b/servers/visual/rasterizer_rd/shaders/cubemap_roughness.glsl deleted file mode 100644 index 3dba143e56..0000000000 --- a/servers/visual/rasterizer_rd/shaders/cubemap_roughness.glsl +++ /dev/null @@ -1,184 +0,0 @@ -/* clang-format off */ -[compute] - -#version 450 - -VERSION_DEFINES - -#define GROUP_SIZE 8 - -layout(local_size_x = GROUP_SIZE, local_size_y = GROUP_SIZE, local_size_z = 1) in; -/* clang-format on */ - -#ifdef MODE_SOURCE_PANORAMA -layout(set = 0, binding = 0) uniform sampler2D source_panorama; -#endif - -#ifdef MODE_SOURCE_CUBEMAP -layout(set = 0, binding = 0) uniform samplerCube source_cube; -#endif - -layout(rgba16f, set = 1, binding = 0) uniform restrict writeonly imageCube dest_cubemap; - -layout(push_constant, binding = 1, std430) uniform Params { - uint face_id; - uint sample_count; - float roughness; - bool use_direct_write; - float face_size; -} -params; - -#define M_PI 3.14159265359 - -vec3 texelCoordToVec(vec2 uv, uint faceID) { - mat3 faceUvVectors[6]; - - // -x - faceUvVectors[1][0] = vec3(0.0, 0.0, 1.0); // u -> +z - faceUvVectors[1][1] = vec3(0.0, -1.0, 0.0); // v -> -y - faceUvVectors[1][2] = vec3(-1.0, 0.0, 0.0); // -x face - - // +x - faceUvVectors[0][0] = vec3(0.0, 0.0, -1.0); // u -> -z - faceUvVectors[0][1] = vec3(0.0, -1.0, 0.0); // v -> -y - faceUvVectors[0][2] = vec3(1.0, 0.0, 0.0); // +x face - - // -y - faceUvVectors[3][0] = vec3(1.0, 0.0, 0.0); // u -> +x - faceUvVectors[3][1] = vec3(0.0, 0.0, -1.0); // v -> -z - faceUvVectors[3][2] = vec3(0.0, -1.0, 0.0); // -y face - - // +y - faceUvVectors[2][0] = vec3(1.0, 0.0, 0.0); // u -> +x - faceUvVectors[2][1] = vec3(0.0, 0.0, 1.0); // v -> +z - faceUvVectors[2][2] = vec3(0.0, 1.0, 0.0); // +y face - - // -z - faceUvVectors[5][0] = vec3(-1.0, 0.0, 0.0); // u -> -x - faceUvVectors[5][1] = vec3(0.0, -1.0, 0.0); // v -> -y - faceUvVectors[5][2] = vec3(0.0, 0.0, -1.0); // -z face - - // +z - faceUvVectors[4][0] = vec3(1.0, 0.0, 0.0); // u -> +x - faceUvVectors[4][1] = vec3(0.0, -1.0, 0.0); // v -> -y - faceUvVectors[4][2] = vec3(0.0, 0.0, 1.0); // +z face - - // out = u * s_faceUv[0] + v * s_faceUv[1] + s_faceUv[2]. - vec3 result = (faceUvVectors[faceID][0] * uv.x) + (faceUvVectors[faceID][1] * uv.y) + faceUvVectors[faceID][2]; - return normalize(result); -} - -vec3 ImportanceSampleGGX(vec2 Xi, float Roughness, vec3 N) { - float a = Roughness * Roughness; // DISNEY'S ROUGHNESS [see Burley'12 siggraph] - - // Compute distribution direction - float Phi = 2.0 * M_PI * Xi.x; - float CosTheta = sqrt((1.0 - Xi.y) / (1.0 + (a * a - 1.0) * Xi.y)); - float SinTheta = sqrt(1.0 - CosTheta * CosTheta); - - // Convert to spherical direction - vec3 H; - H.x = SinTheta * cos(Phi); - H.y = SinTheta * sin(Phi); - H.z = CosTheta; - - vec3 UpVector = abs(N.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(1.0, 0.0, 0.0); - vec3 TangentX = normalize(cross(UpVector, N)); - vec3 TangentY = cross(N, TangentX); - - // Tangent to world space - return TangentX * H.x + TangentY * H.y + N * H.z; -} - -// http://graphicrants.blogspot.com.au/2013/08/specular-brdf-reference.html -float GGX(float NdotV, float a) { - float k = a / 2.0; - return NdotV / (NdotV * (1.0 - k) + k); -} - -// http://graphicrants.blogspot.com.au/2013/08/specular-brdf-reference.html -float G_Smith(float a, float nDotV, float nDotL) { - return GGX(nDotL, a * a) * GGX(nDotV, a * a); -} - -float radicalInverse_VdC(uint bits) { - bits = (bits << 16u) | (bits >> 16u); - bits = ((bits & 0x55555555u) << 1u) | ((bits & 0xAAAAAAAAu) >> 1u); - bits = ((bits & 0x33333333u) << 2u) | ((bits & 0xCCCCCCCCu) >> 2u); - bits = ((bits & 0x0F0F0F0Fu) << 4u) | ((bits & 0xF0F0F0F0u) >> 4u); - bits = ((bits & 0x00FF00FFu) << 8u) | ((bits & 0xFF00FF00u) >> 8u); - return float(bits) * 2.3283064365386963e-10; // / 0x100000000 -} - -vec2 Hammersley(uint i, uint N) { - return vec2(float(i) / float(N), radicalInverse_VdC(i)); -} - -#ifdef MODE_SOURCE_PANORAMA - -vec4 texturePanorama(vec3 normal, sampler2D pano) { - - vec2 st = vec2( - atan(normal.x, -normal.z), - acos(normal.y)); - - if (st.x < 0.0) - st.x += M_PI * 2.0; - - st /= vec2(M_PI * 2.0, M_PI); - - return textureLod(pano, st, 0.0); -} - -#endif - -void main() { - uvec3 id = gl_GlobalInvocationID; - id.z += params.face_id; - - vec2 uv = ((vec2(id.xy) * 2.0 + 1.0) / (params.face_size) - 1.0); - vec3 N = texelCoordToVec(uv, id.z); - - //vec4 color = color_interp; - - if (params.use_direct_write) { - -#ifdef MODE_SOURCE_PANORAMA - imageStore(dest_cubemap, ivec3(id), vec4(texturePanorama(N, source_panorama).rgb, 1.0)); -#endif - -#ifdef MODE_SOURCE_CUBEMAP - imageStore(dest_cubemap, ivec3(id), vec4(texture(source_cube, N).rgb, 1.0)); - -#endif - - } else { - - vec4 sum = vec4(0.0, 0.0, 0.0, 0.0); - - for (uint sampleNum = 0u; sampleNum < params.sample_count; sampleNum++) { - vec2 xi = Hammersley(sampleNum, params.sample_count); - - vec3 H = ImportanceSampleGGX(xi, params.roughness, N); - vec3 V = N; - vec3 L = (2.0 * dot(V, H) * H - V); - - float ndotl = clamp(dot(N, L), 0.0, 1.0); - - if (ndotl > 0.0) { -#ifdef MODE_SOURCE_PANORAMA - sum.rgb += texturePanorama(L, source_panorama).rgb * ndotl; -#endif - -#ifdef MODE_SOURCE_CUBEMAP - sum.rgb += textureLod(source_cube, L, 0.0).rgb * ndotl; -#endif - sum.a += ndotl; - } - } - sum /= sum.a; - - imageStore(dest_cubemap, ivec3(id), vec4(sum.rgb, 1.0)); - } -} diff --git a/servers/visual/rasterizer_rd/shaders/giprobe.glsl b/servers/visual/rasterizer_rd/shaders/giprobe.glsl deleted file mode 100644 index fd09f96a57..0000000000 --- a/servers/visual/rasterizer_rd/shaders/giprobe.glsl +++ /dev/null @@ -1,788 +0,0 @@ -/* clang-format off */ -[compute] - -#version 450 - -VERSION_DEFINES - -#ifdef MODE_DYNAMIC -layout(local_size_x = 8, local_size_y = 8, local_size_z = 1) in; -#else -layout(local_size_x = 64, local_size_y = 1, local_size_z = 1) in; -#endif -/* clang-format on */ - -#ifndef MODE_DYNAMIC - -#define NO_CHILDREN 0xFFFFFFFF -#define GREY_VEC vec3(0.33333, 0.33333, 0.33333) - -struct CellChildren { - uint children[8]; -}; - -layout(set = 0, binding = 1, std430) buffer CellChildrenBuffer { - CellChildren data[]; -} -cell_children; - -struct CellData { - uint position; // xyz 10 bits - uint albedo; //rgb albedo - uint emission; //rgb normalized with e as multiplier - uint normal; //RGB normal encoded -}; - -layout(set = 0, binding = 2, std430) buffer CellDataBuffer { - CellData data[]; -} -cell_data; - -#endif // MODE DYNAMIC - -#define LIGHT_TYPE_DIRECTIONAL 0 -#define LIGHT_TYPE_OMNI 1 -#define LIGHT_TYPE_SPOT 2 - -#if defined(MODE_COMPUTE_LIGHT) || defined(MODE_DYNAMIC_LIGHTING) - -struct Light { - - uint type; - float energy; - float radius; - float attenuation; - - vec3 color; - float spot_angle_radians; - - vec3 position; - float spot_attenuation; - - vec3 direction; - bool has_shadow; -}; - -layout(set = 0, binding = 3, std140) uniform Lights { - Light data[MAX_LIGHTS]; -} -lights; - -#endif // MODE COMPUTE LIGHT - -#ifdef MODE_SECOND_BOUNCE - -layout(set = 0, binding = 5) uniform texture3D color_texture; - -#ifdef MODE_ANISOTROPIC -layout(set = 0, binding = 7) uniform texture3D aniso_pos_texture; -layout(set = 0, binding = 8) uniform texture3D aniso_neg_texture; -#endif // MODE ANISOTROPIC - -#endif // MODE_SECOND_BOUNCE - -#ifndef MODE_DYNAMIC - -layout(push_constant, binding = 0, std430) uniform Params { - ivec3 limits; - uint stack_size; - - float emission_scale; - float propagation; - float dynamic_range; - - uint light_count; - uint cell_offset; - uint cell_count; - float aniso_strength; - uint pad; -} -params; - -layout(set = 0, binding = 4, std430) buffer Outputs { - vec4 data[]; -} -outputs; - -#endif // MODE DYNAMIC - -layout(set = 0, binding = 9) uniform texture3D texture_sdf; -layout(set = 0, binding = 10) uniform sampler texture_sampler; - -#ifdef MODE_WRITE_TEXTURE - -layout(rgba8, set = 0, binding = 5) uniform restrict writeonly image3D color_tex; - -#ifdef MODE_ANISOTROPIC - -layout(r16ui, set = 0, binding = 6) uniform restrict writeonly uimage3D aniso_pos_tex; -layout(r16ui, set = 0, binding = 7) uniform restrict writeonly uimage3D aniso_neg_tex; - -#endif - -#endif - -#ifdef MODE_DYNAMIC - -layout(push_constant, binding = 0, std430) uniform Params { - ivec3 limits; - uint light_count; //when not lighting - ivec3 x_dir; - float z_base; - ivec3 y_dir; - float z_sign; - ivec3 z_dir; - float pos_multiplier; - ivec2 rect_pos; - ivec2 rect_size; - ivec2 prev_rect_ofs; - ivec2 prev_rect_size; - bool flip_x; - bool flip_y; - float dynamic_range; - bool on_mipmap; - float propagation; - float pad[3]; -} -params; - -#ifdef MODE_DYNAMIC_LIGHTING - -layout(rgba8, set = 0, binding = 5) uniform restrict readonly image2D source_albedo; -layout(rgba8, set = 0, binding = 6) uniform restrict readonly image2D source_normal; -layout(rgba8, set = 0, binding = 7) uniform restrict readonly image2D source_orm; -//layout (set=0,binding=8) uniform texture2D source_depth; -layout(rgba16f, set = 0, binding = 11) uniform restrict image2D emission; -layout(r32f, set = 0, binding = 12) uniform restrict image2D depth; - -#endif - -#ifdef MODE_DYNAMIC_SHRINK - -layout(rgba16f, set = 0, binding = 5) uniform restrict readonly image2D source_light; -layout(r32f, set = 0, binding = 6) uniform restrict readonly image2D source_depth; - -#ifdef MODE_DYNAMIC_SHRINK_WRITE - -layout(rgba16f, set = 0, binding = 7) uniform restrict writeonly image2D light; -layout(r32f, set = 0, binding = 8) uniform restrict writeonly image2D depth; - -#endif // MODE_DYNAMIC_SHRINK_WRITE - -#ifdef MODE_DYNAMIC_SHRINK_PLOT - -layout(rgba8, set = 0, binding = 11) uniform restrict image3D color_texture; - -#ifdef MODE_ANISOTROPIC - -layout(r16ui, set = 0, binding = 12) uniform restrict writeonly uimage3D aniso_pos_texture; -layout(r16ui, set = 0, binding = 13) uniform restrict writeonly uimage3D aniso_neg_texture; - -#endif // MODE ANISOTROPIC - -#endif //MODE_DYNAMIC_SHRINK_PLOT - -#endif // MODE_DYNAMIC_SHRINK - -//layout (rgba8,set=0,binding=5) uniform restrict writeonly image3D color_tex; - -#endif // MODE DYNAMIC - -#if defined(MODE_COMPUTE_LIGHT) || defined(MODE_DYNAMIC_LIGHTING) - -float raymarch(float distance, float distance_adv, vec3 from, vec3 direction) { - - vec3 cell_size = 1.0 / vec3(params.limits); - float occlusion = 1.0; - while (distance > 0.5) { //use this to avoid precision errors - float advance = texture(sampler3D(texture_sdf, texture_sampler), from * cell_size).r * 255.0 - 1.0; - if (advance < 0.0) { - occlusion = 0.0; - break; - } - - occlusion = min(advance, occlusion); - - advance = max(distance_adv, advance - mod(advance, distance_adv)); //should always advance in multiples of distance_adv - - from += direction * advance; - distance -= advance; - } - - return occlusion; //max(0.0,distance); -} - -bool compute_light_vector(uint light, vec3 pos, out float attenuation, out vec3 light_pos) { - - if (lights.data[light].type == LIGHT_TYPE_DIRECTIONAL) { - - light_pos = pos - lights.data[light].direction * length(vec3(params.limits)); - attenuation = 1.0; - - } else { - - light_pos = lights.data[light].position; - float distance = length(pos - light_pos); - if (distance >= lights.data[light].radius) { - return false; - } - - attenuation = pow(clamp(1.0 - distance / lights.data[light].radius, 0.0001, 1.0), lights.data[light].attenuation); - - if (lights.data[light].type == LIGHT_TYPE_SPOT) { - - vec3 rel = normalize(pos - light_pos); - float angle = acos(dot(rel, lights.data[light].direction)); - if (angle > lights.data[light].spot_angle_radians) { - return false; - } - - float d = clamp(angle / lights.data[light].spot_angle_radians, 0, 1); - attenuation *= pow(1.0 - d, lights.data[light].spot_attenuation); - } - } - - return true; -} - -float get_normal_advance(vec3 p_normal) { - - vec3 normal = p_normal; - vec3 unorm = abs(normal); - - if ((unorm.x >= unorm.y) && (unorm.x >= unorm.z)) { - // x code - unorm = normal.x > 0.0 ? vec3(1.0, 0.0, 0.0) : vec3(-1.0, 0.0, 0.0); - } else if ((unorm.y > unorm.x) && (unorm.y >= unorm.z)) { - // y code - unorm = normal.y > 0.0 ? vec3(0.0, 1.0, 0.0) : vec3(0.0, -1.0, 0.0); - } else if ((unorm.z > unorm.x) && (unorm.z > unorm.y)) { - // z code - unorm = normal.z > 0.0 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 0.0, -1.0); - } else { - // oh-no we messed up code - // has to be - unorm = vec3(1.0, 0.0, 0.0); - } - - return 1.0 / dot(normal, unorm); -} - -void clip_segment(vec4 plane, vec3 begin, inout vec3 end) { - - vec3 segment = begin - end; - float den = dot(plane.xyz, segment); - - //printf("den is %i\n",den); - if (den < 0.0001) { - return; - } - - float dist = (dot(plane.xyz, begin) - plane.w) / den; - - if (dist < 0.0001 || dist > 1.0001) { - return; - } - - end = begin + segment * -dist; -} - -bool compute_light_at_pos(uint index, vec3 pos, vec3 normal, inout vec3 light, inout vec3 light_dir) { - float attenuation; - vec3 light_pos; - - if (!compute_light_vector(index, pos, attenuation, light_pos)) { - return false; - } - - light_dir = normalize(pos - light_pos); - - if (attenuation < 0.01 || (length(normal) > 0.2 && dot(normal, light_dir) >= 0)) { - return false; //not facing the light, or attenuation is near zero - } - - if (lights.data[index].has_shadow) { - - float distance_adv = get_normal_advance(light_dir); - - vec3 to = pos; - if (length(normal) > 0.2) { - to += normal * distance_adv * 0.51; - } else { - to -= sign(light_dir) * 0.45; //go near the edge towards the light direction to avoid self occlusion - } - - //clip - clip_segment(mix(vec4(-1.0, 0.0, 0.0, 0.0), vec4(1.0, 0.0, 0.0, float(params.limits.x - 1)), bvec4(light_dir.x < 0.0)), to, light_pos); - clip_segment(mix(vec4(0.0, -1.0, 0.0, 0.0), vec4(0.0, 1.0, 0.0, float(params.limits.y - 1)), bvec4(light_dir.y < 0.0)), to, light_pos); - clip_segment(mix(vec4(0.0, 0.0, -1.0, 0.0), vec4(0.0, 0.0, 1.0, float(params.limits.z - 1)), bvec4(light_dir.z < 0.0)), to, light_pos); - - float distance = length(to - light_pos); - if (distance < 0.1) { - return false; // hit - } - - distance += distance_adv - mod(distance, distance_adv); //make it reach the center of the box always - light_pos = to - light_dir * distance; - - //from -= sign(light_dir)*0.45; //go near the edge towards the light direction to avoid self occlusion - - /*float dist = raymarch(distance,distance_adv,light_pos,light_dir); - - if (dist > distance_adv) { - return false; - } - - attenuation *= 1.0 - smoothstep(0.1*distance_adv,distance_adv,dist); - */ - - float occlusion = raymarch(distance, distance_adv, light_pos, light_dir); - - if (occlusion == 0.0) { - return false; - } - - attenuation *= occlusion; //1.0 - smoothstep(0.1*distance_adv,distance_adv,dist); - } - - light = lights.data[index].color * attenuation * lights.data[index].energy; - return true; -} - -#endif // MODE COMPUTE LIGHT - -void main() { - -#ifndef MODE_DYNAMIC - - uint cell_index = gl_GlobalInvocationID.x; - if (cell_index >= params.cell_count) { - return; - } - cell_index += params.cell_offset; - - uvec3 posu = uvec3(cell_data.data[cell_index].position & 0x7FF, (cell_data.data[cell_index].position >> 11) & 0x3FF, cell_data.data[cell_index].position >> 21); - vec4 albedo = unpackUnorm4x8(cell_data.data[cell_index].albedo); - -#endif - - /////////////////COMPUTE LIGHT/////////////////////////////// - -#ifdef MODE_COMPUTE_LIGHT - - vec3 pos = vec3(posu) + vec3(0.5); - - vec3 emission = vec3(uvec3(cell_data.data[cell_index].emission & 0x1ff, (cell_data.data[cell_index].emission >> 9) & 0x1ff, (cell_data.data[cell_index].emission >> 18) & 0x1ff)) * pow(2.0, float(cell_data.data[cell_index].emission >> 27) - 15.0 - 9.0); - vec3 normal = unpackSnorm4x8(cell_data.data[cell_index].normal).xyz; - -#ifdef MODE_ANISOTROPIC - vec3 accum[6] = vec3[](vec3(0.0), vec3(0.0), vec3(0.0), vec3(0.0), vec3(0.0), vec3(0.0)); - const vec3 accum_dirs[6] = vec3[](vec3(1.0, 0.0, 0.0), vec3(-1.0, 0.0, 0.0), vec3(0.0, 1.0, 0.0), vec3(0.0, -1.0, 0.0), vec3(0.0, 0.0, 1.0), vec3(0.0, 0.0, -1.0)); -#else - vec3 accum = vec3(0.0); -#endif - - for (uint i = 0; i < params.light_count; i++) { - - vec3 light; - vec3 light_dir; - if (!compute_light_at_pos(i, pos, normal.xyz, light, light_dir)) { - continue; - } - - light *= albedo.rgb; - -#ifdef MODE_ANISOTROPIC - for (uint j = 0; j < 6; j++) { - - accum[j] += max(0.0, dot(accum_dirs[j], -light_dir)) * light; - } -#else - if (length(normal) > 0.2) { - accum += max(0.0, dot(normal, -light_dir)) * light; - } else { - //all directions - accum += light; - } -#endif - } - -#ifdef MODE_ANISOTROPIC - - for (uint i = 0; i < 6; i++) { - vec3 light = accum[i]; - if (length(normal) > 0.2) { - light += max(0.0, dot(accum_dirs[i], -normal)) * emission; - } else { - light += emission; - } - - outputs.data[cell_index * 6 + i] = vec4(light, 0.0); - } - -#else - outputs.data[cell_index] = vec4(accum + emission, 0.0); - -#endif - -#endif //MODE_COMPUTE_LIGHT - - /////////////////SECOND BOUNCE/////////////////////////////// - -#ifdef MODE_SECOND_BOUNCE - vec3 pos = vec3(posu) + vec3(0.5); - ivec3 ipos = ivec3(posu); - vec4 normal = unpackSnorm4x8(cell_data.data[cell_index].normal); - -#ifdef MODE_ANISOTROPIC - vec3 accum[6]; - const vec3 accum_dirs[6] = vec3[](vec3(1.0, 0.0, 0.0), vec3(-1.0, 0.0, 0.0), vec3(0.0, 1.0, 0.0), vec3(0.0, -1.0, 0.0), vec3(0.0, 0.0, 1.0), vec3(0.0, 0.0, -1.0)); - - /*vec3 src_color = texelFetch(sampler3D(color_texture,texture_sampler),ipos,0).rgb * params.dynamic_range; - vec3 src_aniso_pos = texelFetch(sampler3D(aniso_pos_texture,texture_sampler),ipos,0).rgb; - vec3 src_anisp_neg = texelFetch(sampler3D(anisp_neg_texture,texture_sampler),ipos,0).rgb; - accum[0]=src_col * src_aniso_pos.x; - accum[1]=src_col * src_aniso_neg.x; - accum[2]=src_col * src_aniso_pos.y; - accum[3]=src_col * src_aniso_neg.y; - accum[4]=src_col * src_aniso_pos.z; - accum[5]=src_col * src_aniso_neg.z;*/ - - accum[0] = outputs.data[cell_index * 6 + 0].rgb; - accum[1] = outputs.data[cell_index * 6 + 1].rgb; - accum[2] = outputs.data[cell_index * 6 + 2].rgb; - accum[3] = outputs.data[cell_index * 6 + 3].rgb; - accum[4] = outputs.data[cell_index * 6 + 4].rgb; - accum[5] = outputs.data[cell_index * 6 + 5].rgb; - -#else - vec3 accum = outputs.data[cell_index].rgb; - -#endif - - if (length(normal.xyz) > 0.2) { - - vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0); - vec3 tangent = normalize(cross(v0, normal.xyz)); - vec3 bitangent = normalize(cross(tangent, normal.xyz)); - mat3 normal_mat = mat3(tangent, bitangent, normal.xyz); - -#define MAX_CONE_DIRS 6 - - vec3 cone_dirs[MAX_CONE_DIRS] = vec3[]( - vec3(0.0, 0.0, 1.0), - vec3(0.866025, 0.0, 0.5), - vec3(0.267617, 0.823639, 0.5), - vec3(-0.700629, 0.509037, 0.5), - vec3(-0.700629, -0.509037, 0.5), - vec3(0.267617, -0.823639, 0.5)); - - float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15); - float tan_half_angle = 0.577; - - for (int i = 0; i < MAX_CONE_DIRS; i++) { - - vec3 direction = normal_mat * cone_dirs[i]; - vec4 color = vec4(0.0); - { - - float dist = 1.5; - float max_distance = length(vec3(params.limits)); - vec3 cell_size = 1.0 / vec3(params.limits); - -#ifdef MODE_ANISOTROPIC - vec3 aniso_normal = mix(direction, normal.xyz, params.aniso_strength); -#endif - while (dist < max_distance && color.a < 0.95) { - float diameter = max(1.0, 2.0 * tan_half_angle * dist); - vec3 uvw_pos = (pos + dist * direction) * cell_size; - float half_diameter = diameter * 0.5; - //check if outside, then break - //if ( any(greaterThan(abs(uvw_pos - 0.5),vec3(0.5f + half_diameter * cell_size)) ) ) { - // break; - //} - - float log2_diameter = log2(diameter); - vec4 scolor = textureLod(sampler3D(color_texture, texture_sampler), uvw_pos, log2_diameter); -#ifdef MODE_ANISOTROPIC - - vec3 aniso_neg = textureLod(sampler3D(aniso_neg_texture, texture_sampler), uvw_pos, log2_diameter).rgb; - vec3 aniso_pos = textureLod(sampler3D(aniso_pos_texture, texture_sampler), uvw_pos, log2_diameter).rgb; - - scolor.rgb *= dot(max(vec3(0.0), (aniso_normal * aniso_pos)), vec3(1.0)) + dot(max(vec3(0.0), (-aniso_normal * aniso_neg)), vec3(1.0)); -#endif - float a = (1.0 - color.a); - color += a * scolor; - dist += half_diameter; - } - } - color *= cone_weights[i] * vec4(albedo.rgb, 1.0) * params.dynamic_range; //restore range -#ifdef MODE_ANISOTROPIC - for (uint j = 0; j < 6; j++) { - - accum[j] += max(0.0, dot(accum_dirs[j], direction)) * color.rgb; - } -#else - accum += color.rgb; -#endif - } - } - -#ifdef MODE_ANISOTROPIC - - outputs.data[cell_index * 6 + 0] = vec4(accum[0], 0.0); - outputs.data[cell_index * 6 + 1] = vec4(accum[1], 0.0); - outputs.data[cell_index * 6 + 2] = vec4(accum[2], 0.0); - outputs.data[cell_index * 6 + 3] = vec4(accum[3], 0.0); - outputs.data[cell_index * 6 + 4] = vec4(accum[4], 0.0); - outputs.data[cell_index * 6 + 5] = vec4(accum[5], 0.0); -#else - outputs.data[cell_index] = vec4(accum, 0.0); - -#endif - -#endif // MODE_SECOND_BOUNCE - - /////////////////UPDATE MIPMAPS/////////////////////////////// - -#ifdef MODE_UPDATE_MIPMAPS - - { -#ifdef MODE_ANISOTROPIC - vec3 light_accum[6] = vec3[](vec3(0.0), vec3(0.0), vec3(0.0), vec3(0.0), vec3(0.0), vec3(0.0)); -#else - vec3 light_accum = vec3(0.0); -#endif - float count = 0.0; - for (uint i = 0; i < 8; i++) { - uint child_index = cell_children.data[cell_index].children[i]; - if (child_index == NO_CHILDREN) { - continue; - } -#ifdef MODE_ANISOTROPIC - light_accum[0] += outputs.data[child_index * 6 + 0].rgb; - light_accum[1] += outputs.data[child_index * 6 + 1].rgb; - light_accum[2] += outputs.data[child_index * 6 + 2].rgb; - light_accum[3] += outputs.data[child_index * 6 + 3].rgb; - light_accum[4] += outputs.data[child_index * 6 + 4].rgb; - light_accum[5] += outputs.data[child_index * 6 + 5].rgb; - -#else - light_accum += outputs.data[child_index].rgb; - -#endif - - count += 1.0; - } - - float divisor = mix(8.0, count, params.propagation); -#ifdef MODE_ANISOTROPIC - outputs.data[cell_index * 6 + 0] = vec4(light_accum[0] / divisor, 0.0); - outputs.data[cell_index * 6 + 1] = vec4(light_accum[1] / divisor, 0.0); - outputs.data[cell_index * 6 + 2] = vec4(light_accum[2] / divisor, 0.0); - outputs.data[cell_index * 6 + 3] = vec4(light_accum[3] / divisor, 0.0); - outputs.data[cell_index * 6 + 4] = vec4(light_accum[4] / divisor, 0.0); - outputs.data[cell_index * 6 + 5] = vec4(light_accum[5] / divisor, 0.0); - -#else - outputs.data[cell_index] = vec4(light_accum / divisor, 0.0); -#endif - } -#endif - - ///////////////////WRITE TEXTURE///////////////////////////// - -#ifdef MODE_WRITE_TEXTURE - { - -#ifdef MODE_ANISOTROPIC - vec3 accum_total = vec3(0.0); - accum_total += outputs.data[cell_index * 6 + 0].rgb; - accum_total += outputs.data[cell_index * 6 + 1].rgb; - accum_total += outputs.data[cell_index * 6 + 2].rgb; - accum_total += outputs.data[cell_index * 6 + 3].rgb; - accum_total += outputs.data[cell_index * 6 + 4].rgb; - accum_total += outputs.data[cell_index * 6 + 5].rgb; - - float accum_total_energy = max(dot(accum_total, GREY_VEC), 0.00001); - vec3 iso_positive = vec3(dot(outputs.data[cell_index * 6 + 0].rgb, GREY_VEC), dot(outputs.data[cell_index * 6 + 2].rgb, GREY_VEC), dot(outputs.data[cell_index * 6 + 4].rgb, GREY_VEC)) / vec3(accum_total_energy); - vec3 iso_negative = vec3(dot(outputs.data[cell_index * 6 + 1].rgb, GREY_VEC), dot(outputs.data[cell_index * 6 + 3].rgb, GREY_VEC), dot(outputs.data[cell_index * 6 + 5].rgb, GREY_VEC)) / vec3(accum_total_energy); - - { - uint aniso_pos = uint(clamp(iso_positive.b * 31.0, 0.0, 31.0)); - aniso_pos |= uint(clamp(iso_positive.g * 63.0, 0.0, 63.0)) << 5; - aniso_pos |= uint(clamp(iso_positive.r * 31.0, 0.0, 31.0)) << 11; - imageStore(aniso_pos_tex, ivec3(posu), uvec4(aniso_pos)); - } - - { - uint aniso_neg = uint(clamp(iso_negative.b * 31.0, 0.0, 31.0)); - aniso_neg |= uint(clamp(iso_negative.g * 63.0, 0.0, 63.0)) << 5; - aniso_neg |= uint(clamp(iso_negative.r * 31.0, 0.0, 31.0)) << 11; - imageStore(aniso_neg_tex, ivec3(posu), uvec4(aniso_neg)); - } - - imageStore(color_tex, ivec3(posu), vec4(accum_total / params.dynamic_range, albedo.a)); - -#else - - imageStore(color_tex, ivec3(posu), vec4(outputs.data[cell_index].rgb / params.dynamic_range, albedo.a)); - -#endif - } -#endif - - ///////////////////DYNAMIC LIGHTING///////////////////////////// - -#ifdef MODE_DYNAMIC - - ivec2 pos_xy = ivec2(gl_GlobalInvocationID.xy); - if (any(greaterThanEqual(pos_xy, params.rect_size))) { - return; //out of bounds - } - - ivec2 uv_xy = pos_xy; - if (params.flip_x) { - uv_xy.x = params.rect_size.x - pos_xy.x - 1; - } - if (params.flip_y) { - uv_xy.y = params.rect_size.y - pos_xy.y - 1; - } - -#ifdef MODE_DYNAMIC_LIGHTING - - { - float z = params.z_base + imageLoad(depth, uv_xy).x * params.z_sign; - - ivec3 pos = params.x_dir * (params.rect_pos.x + pos_xy.x) + params.y_dir * (params.rect_pos.y + pos_xy.y) + abs(params.z_dir) * int(z); - - vec3 normal = imageLoad(source_normal, uv_xy).xyz * 2.0 - 1.0; - normal = vec3(params.x_dir) * normal.x * mix(1.0, -1.0, params.flip_x) + vec3(params.y_dir) * normal.y * mix(1.0, -1.0, params.flip_y) - vec3(params.z_dir) * normal.z; - - vec4 albedo = imageLoad(source_albedo, uv_xy); - - //determine the position in space - - vec3 accum = vec3(0.0); - for (uint i = 0; i < params.light_count; i++) { - - vec3 light; - vec3 light_dir; - if (!compute_light_at_pos(i, vec3(pos) * params.pos_multiplier, normal, light, light_dir)) { - continue; - } - - light *= albedo.rgb; - - accum += max(0.0, dot(normal, -light_dir)) * light; - } - - accum += imageLoad(emission, uv_xy).xyz; - - imageStore(emission, uv_xy, vec4(accum, albedo.a)); - imageStore(depth, uv_xy, vec4(z)); - } - -#endif // MODE DYNAMIC LIGHTING - -#ifdef MODE_DYNAMIC_SHRINK - - { - vec4 accum = vec4(0.0); - float accum_z = 0.0; - float count = 0.0; - - for (int i = 0; i < 4; i++) { - ivec2 ofs = pos_xy * 2 + ivec2(i & 1, i >> 1) - params.prev_rect_ofs; - if (any(lessThan(ofs, ivec2(0))) || any(greaterThanEqual(ofs, params.prev_rect_size))) { - continue; - } - if (params.flip_x) { - ofs.x = params.prev_rect_size.x - ofs.x - 1; - } - if (params.flip_y) { - ofs.y = params.prev_rect_size.y - ofs.y - 1; - } - - vec4 light = imageLoad(source_light, ofs); - if (light.a == 0.0) { //ignore empty - continue; - } - accum += light; - float z = imageLoad(source_depth, ofs).x; - accum_z += z * 0.5; //shrink half too - count += 1.0; - } - - if (params.on_mipmap) { - accum.rgb /= mix(8.0, count, params.propagation); - accum.a /= 8.0; - } else { - accum /= 4.0; - } - - if (count == 0.0) { - accum_z = 0.0; //avoid nan - } else { - accum_z /= count; - } - -#ifdef MODE_DYNAMIC_SHRINK_WRITE - - imageStore(light, uv_xy, accum); - imageStore(depth, uv_xy, vec4(accum_z)); -#endif - -#ifdef MODE_DYNAMIC_SHRINK_PLOT - - if (accum.a < 0.001) { - return; //do not blit if alpha is too low - } - - ivec3 pos = params.x_dir * (params.rect_pos.x + pos_xy.x) + params.y_dir * (params.rect_pos.y + pos_xy.y) + abs(params.z_dir) * int(accum_z); - - float z_frac = fract(accum_z); - - for (int i = 0; i < 2; i++) { - ivec3 pos3d = pos + abs(params.z_dir) * i; - if (any(lessThan(pos3d, ivec3(0))) || any(greaterThanEqual(pos3d, params.limits))) { - //skip if offlimits - continue; - } - vec4 color_blit = accum * (i == 0 ? 1.0 - z_frac : z_frac); - vec4 color = imageLoad(color_texture, pos3d); - color.rgb *= params.dynamic_range; - -#if 0 - color.rgb = mix(color.rgb,color_blit.rgb,color_blit.a); - color.a+=color_blit.a; -#else - - float sa = 1.0 - color_blit.a; - vec4 result; - result.a = color.a * sa + color_blit.a; - if (result.a == 0.0) { - result = vec4(0.0); - } else { - result.rgb = (color.rgb * color.a * sa + color_blit.rgb * color_blit.a) / result.a; - color = result; - } - -#endif - color.rgb /= params.dynamic_range; - imageStore(color_texture, pos3d, color); - //imageStore(color_texture,pos3d,vec4(1,1,1,1)); - -#ifdef MODE_ANISOTROPIC - //do not care about anisotropy for dynamic objects, just store full lit in all directions - imageStore(aniso_pos_texture, pos3d, uvec4(0xFFFF)); - imageStore(aniso_neg_texture, pos3d, uvec4(0xFFFF)); - -#endif // ANISOTROPIC - } -#endif // MODE_DYNAMIC_SHRINK_PLOT - } -#endif - -#endif // MODE DYNAMIC -} diff --git a/servers/visual/rasterizer_rd/shaders/giprobe_debug.glsl b/servers/visual/rasterizer_rd/shaders/giprobe_debug.glsl deleted file mode 100644 index b1784e7eee..0000000000 --- a/servers/visual/rasterizer_rd/shaders/giprobe_debug.glsl +++ /dev/null @@ -1,208 +0,0 @@ -/* clang-format off */ -[vertex] - -#version 450 - -VERSION_DEFINES - -struct CellData { - uint position; // xyz 10 bits - uint albedo; //rgb albedo - uint emission; //rgb normalized with e as multiplier - uint normal; //RGB normal encoded -}; -/* clang-format on */ - -layout(set = 0, binding = 1, std140) buffer CellDataBuffer { - CellData data[]; -} -cell_data; - -layout(set = 0, binding = 2) uniform texture3D color_tex; - -layout(set = 0, binding = 3) uniform sampler tex_sampler; - -#ifdef USE_ANISOTROPY -layout(set = 0, binding = 4) uniform texture3D aniso_pos_tex; -layout(set = 0, binding = 5) uniform texture3D aniso_neg_tex; -#endif - -layout(push_constant, binding = 0, std430) uniform Params { - - mat4 projection; - uint cell_offset; - float dynamic_range; - float alpha; - uint level; - ivec3 bounds; - uint pad; -} -params; - -layout(location = 0) out vec4 color_interp; - -void main() { - - const vec3 cube_triangles[36] = vec3[]( - vec3(-1.0f, -1.0f, -1.0f), - vec3(-1.0f, -1.0f, 1.0f), - vec3(-1.0f, 1.0f, 1.0f), - vec3(1.0f, 1.0f, -1.0f), - vec3(-1.0f, -1.0f, -1.0f), - vec3(-1.0f, 1.0f, -1.0f), - vec3(1.0f, -1.0f, 1.0f), - vec3(-1.0f, -1.0f, -1.0f), - vec3(1.0f, -1.0f, -1.0f), - vec3(1.0f, 1.0f, -1.0f), - vec3(1.0f, -1.0f, -1.0f), - vec3(-1.0f, -1.0f, -1.0f), - vec3(-1.0f, -1.0f, -1.0f), - vec3(-1.0f, 1.0f, 1.0f), - vec3(-1.0f, 1.0f, -1.0f), - vec3(1.0f, -1.0f, 1.0f), - vec3(-1.0f, -1.0f, 1.0f), - vec3(-1.0f, -1.0f, -1.0f), - vec3(-1.0f, 1.0f, 1.0f), - vec3(-1.0f, -1.0f, 1.0f), - vec3(1.0f, -1.0f, 1.0f), - vec3(1.0f, 1.0f, 1.0f), - vec3(1.0f, -1.0f, -1.0f), - vec3(1.0f, 1.0f, -1.0f), - vec3(1.0f, -1.0f, -1.0f), - vec3(1.0f, 1.0f, 1.0f), - vec3(1.0f, -1.0f, 1.0f), - vec3(1.0f, 1.0f, 1.0f), - vec3(1.0f, 1.0f, -1.0f), - vec3(-1.0f, 1.0f, -1.0f), - vec3(1.0f, 1.0f, 1.0f), - vec3(-1.0f, 1.0f, -1.0f), - vec3(-1.0f, 1.0f, 1.0f), - vec3(1.0f, 1.0f, 1.0f), - vec3(-1.0f, 1.0f, 1.0f), - vec3(1.0f, -1.0f, 1.0f)); - - vec3 vertex = cube_triangles[gl_VertexIndex] * 0.5 + 0.5; -#ifdef MODE_DEBUG_LIGHT_FULL - uvec3 posu = uvec3(gl_InstanceIndex % params.bounds.x, (gl_InstanceIndex / params.bounds.x) % params.bounds.y, gl_InstanceIndex / (params.bounds.y * params.bounds.x)); -#else - uint cell_index = gl_InstanceIndex + params.cell_offset; - - uvec3 posu = uvec3(cell_data.data[cell_index].position & 0x7FF, (cell_data.data[cell_index].position >> 11) & 0x3FF, cell_data.data[cell_index].position >> 21); -#endif - -#ifdef MODE_DEBUG_EMISSION - color_interp.xyz = vec3(uvec3(cell_data.data[cell_index].emission & 0x1ff, (cell_data.data[cell_index].emission >> 9) & 0x1ff, (cell_data.data[cell_index].emission >> 18) & 0x1ff)) * pow(2.0, float(cell_data.data[cell_index].emission >> 27) - 15.0 - 9.0); -#endif - -#ifdef MODE_DEBUG_COLOR - color_interp.xyz = unpackUnorm4x8(cell_data.data[cell_index].albedo).xyz; -#endif - -#ifdef MODE_DEBUG_LIGHT - -#ifdef USE_ANISOTROPY - -#define POS_X 0 -#define POS_Y 1 -#define POS_Z 2 -#define NEG_X 3 -#define NEG_Y 4 -#define NEG_Z 5 - - const uint triangle_aniso[12] = uint[]( - NEG_X, - NEG_Z, - NEG_Y, - NEG_Z, - NEG_X, - NEG_Y, - POS_Z, - POS_X, - POS_X, - POS_Y, - POS_Y, - POS_Z); - - color_interp.xyz = texelFetch(sampler3D(color_tex, tex_sampler), ivec3(posu), int(params.level)).xyz * params.dynamic_range; - vec3 aniso_pos = texelFetch(sampler3D(aniso_pos_tex, tex_sampler), ivec3(posu), int(params.level)).xyz; - vec3 aniso_neg = texelFetch(sampler3D(aniso_neg_tex, tex_sampler), ivec3(posu), int(params.level)).xyz; - uint side = triangle_aniso[gl_VertexIndex / 3]; - - float strength = 0.0; - switch (side) { - case POS_X: strength = aniso_pos.x; break; - case POS_Y: strength = aniso_pos.y; break; - case POS_Z: strength = aniso_pos.z; break; - case NEG_X: strength = aniso_neg.x; break; - case NEG_Y: strength = aniso_neg.y; break; - case NEG_Z: strength = aniso_neg.z; break; - } - - color_interp.xyz *= strength; - -#else - color_interp = texelFetch(sampler3D(color_tex, tex_sampler), ivec3(posu), int(params.level)); - color_interp.xyz *params.dynamic_range; - -#endif - -#endif - float scale = (1 << params.level); - - gl_Position = params.projection * vec4((vec3(posu) + vertex) * scale, 1.0); - -#ifdef MODE_DEBUG_LIGHT_FULL - if (color_interp.a == 0.0) { - gl_Position = vec4(0.0); //force clip and not draw - } -#else - color_interp.a = params.alpha; -#endif -} - -/* clang-format off */ -[fragment] - -#version 450 - -VERSION_DEFINES - -layout(location = 0) in vec4 color_interp; -/* clang-format on */ -layout(location = 0) out vec4 frag_color; - -void main() { - - frag_color = color_interp; - -#ifdef MODE_DEBUG_LIGHT_FULL - - //there really is no alpha, so use dither - - int x = int(gl_FragCoord.x) % 4; - int y = int(gl_FragCoord.y) % 4; - int index = x + y * 4; - float limit = 0.0; - if (x < 8) { - if (index == 0) limit = 0.0625; - if (index == 1) limit = 0.5625; - if (index == 2) limit = 0.1875; - if (index == 3) limit = 0.6875; - if (index == 4) limit = 0.8125; - if (index == 5) limit = 0.3125; - if (index == 6) limit = 0.9375; - if (index == 7) limit = 0.4375; - if (index == 8) limit = 0.25; - if (index == 9) limit = 0.75; - if (index == 10) limit = 0.125; - if (index == 11) limit = 0.625; - if (index == 12) limit = 1.0; - if (index == 13) limit = 0.5; - if (index == 14) limit = 0.875; - if (index == 15) limit = 0.375; - } - if (frag_color.a < limit) { - discard; - } -#endif -} diff --git a/servers/visual/rasterizer_rd/shaders/giprobe_sdf.glsl b/servers/visual/rasterizer_rd/shaders/giprobe_sdf.glsl deleted file mode 100644 index d089236723..0000000000 --- a/servers/visual/rasterizer_rd/shaders/giprobe_sdf.glsl +++ /dev/null @@ -1,187 +0,0 @@ -/* clang-format off */ -[compute] - -#version 450 - -VERSION_DEFINES - -layout(local_size_x = 4, local_size_y = 4, local_size_z = 4) in; -/* clang-format on */ - -#define MAX_DISTANCE 100000 - -#define NO_CHILDREN 0xFFFFFFFF -#define GREY_VEC vec3(0.33333, 0.33333, 0.33333) - -struct CellChildren { - uint children[8]; -}; - -layout(set = 0, binding = 1, std430) buffer CellChildrenBuffer { - CellChildren data[]; -} -cell_children; - -struct CellData { - uint position; // xyz 10 bits - uint albedo; //rgb albedo - uint emission; //rgb normalized with e as multiplier - uint normal; //RGB normal encoded -}; - -layout(set = 0, binding = 2, std430) buffer CellDataBuffer { - CellData data[]; -} -cell_data; - -layout(r8ui, set = 0, binding = 3) uniform restrict writeonly uimage3D sdf_tex; - -layout(push_constant, binding = 0, std430) uniform Params { - uint offset; - uint end; - uint pad0; - uint pad1; -} -params; - -void main() { - - vec3 pos = vec3(gl_GlobalInvocationID); - float closest_dist = 100000.0; - - for (uint i = params.offset; i < params.end; i++) { - vec3 posu = vec3(uvec3(cell_data.data[i].position & 0x7FF, (cell_data.data[i].position >> 11) & 0x3FF, cell_data.data[i].position >> 21)); - float dist = length(pos - posu); - if (dist < closest_dist) { - closest_dist = dist; - } - } - - uint dist_8; - - if (closest_dist < 0.0001) { // same cell - dist_8 = 0; //equals to -1 - } else { - dist_8 = clamp(uint(closest_dist), 0, 254) + 1; //conservative, 0 is 1, so <1 is considered solid - } - - imageStore(sdf_tex, ivec3(gl_GlobalInvocationID), uvec4(dist_8)); - //imageStore(sdf_tex,pos,uvec4(pos*2,0)); -} - -#if 0 -layout(push_constant, binding = 0, std430) uniform Params { - - ivec3 limits; - uint stack_size; -} params; - -float distance_to_aabb(ivec3 pos, ivec3 aabb_pos, ivec3 aabb_size) { - - vec3 delta = vec3(max(ivec3(0), max(aabb_pos - pos, pos - (aabb_pos + aabb_size - ivec3(1))))); - return length(delta); -} - -void main() { - - ivec3 pos = ivec3(gl_GlobalInvocationID); - - uint stack[10] = uint[](0, 0, 0, 0, 0, 0, 0, 0, 0, 0); - uint stack_indices[10] = uint[](0, 0, 0, 0, 0, 0, 0, 0, 0, 0); - ivec3 stack_positions[10] = ivec3[](ivec3(0), ivec3(0), ivec3(0), ivec3(0), ivec3(0), ivec3(0), ivec3(0), ivec3(0), ivec3(0), ivec3(0)); - - const uint cell_orders[8] = uint[]( - 0x11f58d1, - 0xe2e70a, - 0xd47463, - 0xbb829c, - 0x8d11f5, - 0x70ae2e, - 0x463d47, - 0x29cbb8); - - bool cell_found = false; - bool cell_found_exact = false; - ivec3 closest_cell_pos; - float closest_distance = MAX_DISTANCE; - int stack_pos = 0; - - while (true) { - - uint index = stack_indices[stack_pos] >> 24; - - if (index == 8) { - //go up - if (stack_pos == 0) { - break; //done going through octree - } - stack_pos--; - continue; - } - - stack_indices[stack_pos] = (stack_indices[stack_pos] & ((1 << 24) - 1)) | ((index + 1) << 24); - - uint cell_index = (stack_indices[stack_pos] >> (index * 3)) & 0x7; - uint child_cell = cell_children.data[stack[stack_pos]].children[cell_index]; - - if (child_cell == NO_CHILDREN) { - continue; - } - - ivec3 child_cell_size = params.limits >> (stack_pos + 1); - ivec3 child_cell_pos = stack_positions[stack_pos]; - - child_cell_pos += mix(ivec3(0), child_cell_size, bvec3(uvec3(index & 1, index & 2, index & 4) != uvec3(0))); - - bool is_leaf = stack_pos == (params.stack_size - 2); - - if (child_cell_pos == pos && is_leaf) { - //we may actually end up in the exact cell. - //if this happens, just abort - cell_found_exact = true; - break; - } - - if (cell_found) { - //discard by distance - float distance = distance_to_aabb(pos, child_cell_pos, child_cell_size); - if (distance >= closest_distance) { - continue; //pointless, just test next child - } else if (is_leaf) { - //closer than what we have AND end of stack, save and continue - closest_cell_pos = child_cell_pos; - closest_distance = distance; - continue; - } - } else if (is_leaf) { - //first solid cell we find, save and continue - closest_distance = distance_to_aabb(pos, child_cell_pos, child_cell_size); - closest_cell_pos = child_cell_pos; - cell_found = true; - continue; - } - - bvec3 direction = greaterThan((pos - (child_cell_pos + (child_cell_size >> 1))), ivec3(0)); - uint cell_order = 0; - cell_order |= mix(0, 1, direction.x); - cell_order |= mix(0, 2, direction.y); - cell_order |= mix(0, 4, direction.z); - - stack[stack_pos + 1] = child_cell; - stack_indices[stack_pos + 1] = cell_orders[cell_order]; //start counting - stack_positions[stack_pos + 1] = child_cell_pos; - stack_pos++; //go up stack - } - - uint dist_8; - - if (cell_found_exact) { - dist_8 = 0; //equals to -1 - } else { - float closest_distance = length(vec3(pos - closest_cell_pos)); - dist_8 = clamp(uint(closest_distance), 0, 254) + 1; //conservative, 0 is 1, so <1 is considered solid - } - - imageStore(sdf_tex, pos, uvec4(dist_8)); -} -#endif diff --git a/servers/visual/rasterizer_rd/shaders/giprobe_write.glsl b/servers/visual/rasterizer_rd/shaders/giprobe_write.glsl deleted file mode 100644 index c832223b1e..0000000000 --- a/servers/visual/rasterizer_rd/shaders/giprobe_write.glsl +++ /dev/null @@ -1,335 +0,0 @@ -/* clang-format off */ -[compute] - -#version 450 - -VERSION_DEFINES - -layout(local_size_x = 64, local_size_y = 1, local_size_z = 1) in; -/* clang-format on */ - -#define NO_CHILDREN 0xFFFFFFFF -#define GREY_VEC vec3(0.33333, 0.33333, 0.33333) - -struct CellChildren { - uint children[8]; -}; - -layout(set = 0, binding = 1, std430) buffer CellChildrenBuffer { - CellChildren data[]; -} -cell_children; - -struct CellData { - uint position; // xyz 10 bits - uint albedo; //rgb albedo - uint emission; //rgb normalized with e as multiplier - uint normal; //RGB normal encoded -}; - -layout(set = 0, binding = 2, std430) buffer CellDataBuffer { - CellData data[]; -} -cell_data; - -#define LIGHT_TYPE_DIRECTIONAL 0 -#define LIGHT_TYPE_OMNI 1 -#define LIGHT_TYPE_SPOT 2 - -#ifdef MODE_COMPUTE_LIGHT - -struct Light { - uint type; - float energy; - float radius; - float attenuation; - - vec3 color; - float spot_angle_radians; - - vec3 position; - float spot_attenuation; - - vec3 direction; - bool has_shadow; -}; - -layout(set = 0, binding = 3, std140) uniform Lights { - Light data[MAX_LIGHTS]; -} -lights; - -#endif - -layout(push_constant, binding = 0, std430) uniform Params { - ivec3 limits; - uint stack_size; - - float emission_scale; - float propagation; - float dynamic_range; - - uint light_count; - uint cell_offset; - uint cell_count; - uint pad[2]; -} -params; - -layout(set = 0, binding = 4, std140) uniform Outputs { - vec4 data[]; -} -output; - -#ifdef MODE_COMPUTE_LIGHT - -uint raymarch(float distance, float distance_adv, vec3 from, vec3 direction) { - - uint result = NO_CHILDREN; - - ivec3 size = ivec3(max(max(params.limits.x, params.limits.y), params.limits.z)); - - while (distance > -distance_adv) { //use this to avoid precision errors - - uint cell = 0; - - ivec3 pos = ivec3(from); - - if (all(greaterThanEqual(pos, ivec3(0))) && all(lessThan(pos, size))) { - - ivec3 ofs = ivec3(0); - ivec3 half_size = size / 2; - - for (int i = 0; i < params.stack_size - 1; i++) { - - bvec3 greater = greaterThanEqual(pos, ofs + half_size); - - ofs += mix(ivec3(0), half_size, greater); - - uint child = 0; //wonder if this can be done faster - if (greater.x) { - child |= 1; - } - if (greater.y) { - child |= 2; - } - if (greater.z) { - child |= 4; - } - - cell = cell_children.data[cell].children[child]; - if (cell == NO_CHILDREN) - break; - - half_size >>= ivec3(1); - } - - if (cell != NO_CHILDREN) { - return cell; //found cell! - } - } - - from += direction * distance_adv; - distance -= distance_adv; - } - - return NO_CHILDREN; -} - -bool compute_light_vector(uint light, uint cell, vec3 pos, out float attenuation, out vec3 light_pos) { - - if (lights.data[light].type == LIGHT_TYPE_DIRECTIONAL) { - - light_pos = pos - lights.data[light].direction * length(vec3(params.limits)); - attenuation = 1.0; - - } else { - - light_pos = lights.data[light].position; - float distance = length(pos - light_pos); - if (distance >= lights.data[light].radius) { - return false; - } - - attenuation = pow(clamp(1.0 - distance / lights.data[light].radius, 0.0001, 1.0), lights.data[light].attenuation); - - if (lights.data[light].type == LIGHT_TYPE_SPOT) { - - vec3 rel = normalize(pos - light_pos); - float angle = acos(dot(rel, lights.data[light].direction)); - if (angle > lights.data[light].spot_angle_radians) { - return false; - } - - float d = clamp(angle / lights.data[light].spot_angle_radians, 0, 1); - attenuation *= pow(1.0 - d, lights.data[light].spot_attenuation); - } - } - - return true; -} - -float get_normal_advance(vec3 p_normal) { - - vec3 normal = p_normal; - vec3 unorm = abs(normal); - - if ((unorm.x >= unorm.y) && (unorm.x >= unorm.z)) { - // x code - unorm = normal.x > 0.0 ? vec3(1.0, 0.0, 0.0) : vec3(-1.0, 0.0, 0.0); - } else if ((unorm.y > unorm.x) && (unorm.y >= unorm.z)) { - // y code - unorm = normal.y > 0.0 ? vec3(0.0, 1.0, 0.0) : vec3(0.0, -1.0, 0.0); - } else if ((unorm.z > unorm.x) && (unorm.z > unorm.y)) { - // z code - unorm = normal.z > 0.0 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 0.0, -1.0); - } else { - // oh-no we messed up code - // has to be - unorm = vec3(1.0, 0.0, 0.0); - } - - return 1.0 / dot(normal, unorm); -} - -#endif - -void main() { - - uint cell_index = gl_GlobalInvocationID.x; - if (cell_index >= params.cell_count) { - return; - } - cell_index += params.cell_offset; - - uvec3 posu = uvec3(cell_data.data[cell_index].position & 0x7FF, (cell_data.data[cell_index].position >> 11) & 0x3FF, cell_data.data[cell_index].position >> 21); - vec4 albedo = unpackUnorm4x8(cell_data.data[cell_index].albedo); - -#ifdef MODE_COMPUTE_LIGHT - - vec3 pos = vec3(posu) + vec3(0.5); - - vec3 emission = vec3(ivec3(cell_data.data[cell_index].emission & 0x3FF, (cell_data.data[cell_index].emission >> 10) & 0x7FF, cell_data.data[cell_index].emission >> 21)) * params.emission_scale; - vec4 normal = unpackSnorm4x8(cell_data.data[cell_index].normal); - -#ifdef MODE_ANISOTROPIC - vec3 accum[6] = vec3[](vec3(0.0), vec3(0.0), vec3(0.0), vec3(0.0), vec3(0.0), vec3(0.0)); - const vec3 accum_dirs[6] = vec3[](vec3(1.0, 0.0, 0.0), vec3(-1.0, 0.0, 0.0), vec3(0.0, 1.0, 0.0), vec3(0.0, -1.0, 0.0), vec3(0.0, 0.0, 1.0), vec3(0.0, 0.0, -1.0)); -#else - vec3 accum = vec3(0.0); -#endif - - for (uint i = 0; i < params.light_count; i++) { - - float attenuation; - vec3 light_pos; - - if (!compute_light_vector(i, cell_index, pos, attenuation, light_pos)) { - continue; - } - - vec3 light_dir = pos - light_pos; - float distance = length(light_dir); - light_dir = normalize(light_dir); - - if (length(normal.xyz) > 0.2 && dot(normal.xyz, light_dir) >= 0) { - continue; //not facing the light - } - - if (lights.data[i].has_shadow) { - - float distance_adv = get_normal_advance(light_dir); - - distance += distance_adv - mod(distance, distance_adv); //make it reach the center of the box always - - vec3 from = pos - light_dir * distance; //approximate - from -= sign(light_dir) * 0.45; //go near the edge towards the light direction to avoid self occlusion - - uint result = raymarch(distance, distance_adv, from, light_dir); - - if (result != cell_index) { - continue; //was occluded - } - } - - vec3 light = lights.data[i].color * albedo.rgb * attenuation * lights.data[i].energy; - -#ifdef MODE_ANISOTROPIC - for (uint j = 0; j < 6; j++) { - accum[j] += max(0.0, dot(accum_dir, -light_dir)) * light + emission; - } -#else - if (length(normal.xyz) > 0.2) { - accum += max(0.0, dot(normal.xyz, -light_dir)) * light + emission; - } else { - //all directions - accum += light + emission; - } -#endif - } - -#ifdef MODE_ANISOTROPIC - - output.data[cell_index * 6 + 0] = vec4(accum[0], 0.0); - output.data[cell_index * 6 + 1] = vec4(accum[1], 0.0); - output.data[cell_index * 6 + 2] = vec4(accum[2], 0.0); - output.data[cell_index * 6 + 3] = vec4(accum[3], 0.0); - output.data[cell_index * 6 + 4] = vec4(accum[4], 0.0); - output.data[cell_index * 6 + 5] = vec4(accum[5], 0.0); -#else - output.data[cell_index] = vec4(accum, 0.0); - -#endif - -#endif //MODE_COMPUTE_LIGHT - -#ifdef MODE_UPDATE_MIPMAPS - - { -#ifdef MODE_ANISOTROPIC - vec3 light_accum[6] = vec3[](vec3(0.0), vec3(0.0), vec3(0.0), vec3(0.0), vec3(0.0), vec3(0.0)); -#else - vec3 light_accum = vec3(0.0); -#endif - float count = 0.0; - for (uint i = 0; i < 8; i++) { - uint child_index = cell_children.data[cell_index].children[i]; - if (child_index == NO_CHILDREN) { - continue; - } -#ifdef MODE_ANISOTROPIC - light_accum[1] += output.data[child_index * 6 + 0].rgb; - light_accum[2] += output.data[child_index * 6 + 1].rgb; - light_accum[3] += output.data[child_index * 6 + 2].rgb; - light_accum[4] += output.data[child_index * 6 + 3].rgb; - light_accum[5] += output.data[child_index * 6 + 4].rgb; - light_accum[6] += output.data[child_index * 6 + 5].rgb; - -#else - light_accum += output.data[child_index].rgb; - -#endif - - count += 1.0; - } - - float divisor = mix(8.0, count, params.propagation); -#ifdef MODE_ANISOTROPIC - output.data[cell_index * 6 + 0] = vec4(light_accum[0] / divisor, 0.0); - output.data[cell_index * 6 + 1] = vec4(light_accum[1] / divisor, 0.0); - output.data[cell_index * 6 + 2] = vec4(light_accum[2] / divisor, 0.0); - output.data[cell_index * 6 + 3] = vec4(light_accum[3] / divisor, 0.0); - output.data[cell_index * 6 + 4] = vec4(light_accum[4] / divisor, 0.0); - output.data[cell_index * 6 + 5] = vec4(light_accum[5] / divisor, 0.0); - -#else - output.data[cell_index] = vec4(light_accum / divisor, 0.0); -#endif - } -#endif - -#ifdef MODE_WRITE_TEXTURE - { - } -#endif -} diff --git a/servers/visual/rasterizer_rd/shaders/luminance_reduce.glsl b/servers/visual/rasterizer_rd/shaders/luminance_reduce.glsl deleted file mode 100644 index 4bf5b7e7f1..0000000000 --- a/servers/visual/rasterizer_rd/shaders/luminance_reduce.glsl +++ /dev/null @@ -1,87 +0,0 @@ -/* clang-format off */ -[compute] - -#version 450 - -VERSION_DEFINES - -#define BLOCK_SIZE 8 - -layout(local_size_x = BLOCK_SIZE, local_size_y = BLOCK_SIZE, local_size_z = 1) in; -/* clang-format on */ - -shared float tmp_data[BLOCK_SIZE * BLOCK_SIZE]; - -#ifdef READ_TEXTURE - -//use for main texture -layout(set = 0, binding = 0) uniform sampler2D source_texture; - -#else - -//use for intermediate textures -layout(r32f, set = 0, binding = 0) uniform restrict readonly image2D source_luminance; - -#endif - -layout(r32f, set = 1, binding = 0) uniform restrict writeonly image2D dest_luminance; - -#ifdef WRITE_LUMINANCE -layout(set = 2, binding = 0) uniform sampler2D prev_luminance; -#endif - -layout(push_constant, binding = 1, std430) uniform Params { - ivec2 source_size; - float max_luminance; - float min_luminance; - float exposure_adjust; - float pad[3]; -} -params; - -void main() { - - uint t = gl_LocalInvocationID.y * BLOCK_SIZE + gl_LocalInvocationID.x; - ivec2 pos = ivec2(gl_GlobalInvocationID.xy); - - if (any(lessThan(pos, params.source_size))) { - -#ifdef READ_TEXTURE - vec3 v = texelFetch(source_texture, pos, 0).rgb; - tmp_data[t] = max(v.r, max(v.g, v.b)); -#else - tmp_data[t] = imageLoad(source_luminance, pos).r; -#endif - } else { - tmp_data[t] = 0.0; - } - - groupMemoryBarrier(); - barrier(); - - uint size = (BLOCK_SIZE * BLOCK_SIZE) >> 1; - - do { - if (t < size) { - tmp_data[t] += tmp_data[t + size]; - } - groupMemoryBarrier(); - barrier(); - - size >>= 1; - - } while (size >= 1); - - if (t == 0) { - //compute rect size - ivec2 rect_size = min(params.source_size - pos, ivec2(BLOCK_SIZE)); - float avg = tmp_data[0] / float(rect_size.x * rect_size.y); - //float avg = tmp_data[0] / float(BLOCK_SIZE*BLOCK_SIZE); - pos /= ivec2(BLOCK_SIZE); -#ifdef WRITE_LUMINANCE - float prev_lum = texelFetch(prev_luminance, ivec2(0, 0), 0).r; //1 pixel previous exposure - avg = clamp(prev_lum + (avg - prev_lum) * params.exposure_adjust, params.min_luminance, params.max_luminance); -#endif - imageStore(dest_luminance, pos, vec4(avg)); - } -} diff --git a/servers/visual/rasterizer_rd/shaders/roughness_limiter.glsl b/servers/visual/rasterizer_rd/shaders/roughness_limiter.glsl deleted file mode 100644 index 3637b1abb2..0000000000 --- a/servers/visual/rasterizer_rd/shaders/roughness_limiter.glsl +++ /dev/null @@ -1,73 +0,0 @@ -/* clang-format off */ -[compute] - -#version 450 - -VERSION_DEFINES - -layout(local_size_x = 8, local_size_y = 8, local_size_z = 1) in; -/* clang-format on */ - -layout(set = 0, binding = 0) uniform sampler2D source_normal; -layout(r8, set = 1, binding = 0) uniform restrict writeonly image2D dest_roughness; - -layout(push_constant, binding = 1, std430) uniform Params { - ivec2 screen_size; - float curve; - uint pad; -} -params; - -#define HALF_PI 1.5707963267948966 - -void main() { - - // Pixel being shaded - ivec2 pos = ivec2(gl_GlobalInvocationID.xy); - if (any(greaterThan(pos, params.screen_size))) { //too large, do nothing - return; - } - - vec3 normal_accum = vec3(0.0); - float accum = 0.0; - for (int i = 0; i <= 1; i++) { - for (int j = 0; j <= 1; j++) { - normal_accum += normalize(texelFetch(source_normal, pos + ivec2(i, j), 0).xyz * 2.0 - 1.0); - accum += 1.0; - } - } - - normal_accum /= accum; - - float r = length(normal_accum); - - float limit; - - if (r < 1.0) { - float threshold = 0.4; - - /* - //Formula from Filament, does not make sense to me. - - float r2 = r * r; - float kappa = (3.0f * r - r * r2) / (1.0f - r2); - float variance = 0.25f / kappa; - limit = sqrt(min(2.0f * variance, threshold * threshold)); -//*/ - /* - //Formula based on probability distribution graph - - float width = acos(max(0.0,r)); // convert to angle (width) - float roughness = pow(width,1.7)*0.854492; //approximate (crappy) formula to convert to roughness - limit = min(sqrt(roughness), threshold); //convert to perceptual roughness and apply threshold -//*/ - - limit = min(sqrt(pow(acos(max(0.0, r)) / HALF_PI, params.curve)), threshold); //convert to perceptual roughness and apply threshold - - //limit = 0.5; - } else { - limit = 0.0; - } - - imageStore(dest_roughness, pos, vec4(limit)); -} diff --git a/servers/visual/rasterizer_rd/shaders/scene_high_end.glsl b/servers/visual/rasterizer_rd/shaders/scene_high_end.glsl deleted file mode 100644 index 07f4770b14..0000000000 --- a/servers/visual/rasterizer_rd/shaders/scene_high_end.glsl +++ /dev/null @@ -1,1718 +0,0 @@ -/* clang-format off */ -[vertex] - -#version 450 - -VERSION_DEFINES - -#include "scene_high_end_inc.glsl" - -/* INPUT ATTRIBS */ - -layout(location = 0) in vec3 vertex_attrib; -/* clang-format on */ -layout(location = 1) in vec3 normal_attrib; -#if defined(TANGENT_USED) || defined(NORMALMAP_USED) || defined(LIGHT_ANISOTROPY_USED) -layout(location = 2) in vec4 tangent_attrib; -#endif - -#if defined(COLOR_USED) -layout(location = 3) in vec4 color_attrib; -#endif - -#if defined(UV_USED) -layout(location = 4) in vec2 uv_attrib; -#endif - -#if defined(UV2_USED) || defined(USE_LIGHTMAP) -layout(location = 5) in vec2 uv2_attrib; -#endif - -layout(location = 6) in uvec4 bone_attrib; // always bound, even if unused - -/* Varyings */ - -layout(location = 0) out vec3 vertex_interp; -layout(location = 1) out vec3 normal_interp; - -#if defined(COLOR_USED) -layout(location = 2) out vec4 color_interp; -#endif - -#if defined(UV_USED) -layout(location = 3) out vec2 uv_interp; -#endif - -#if defined(UV2_USED) || defined(USE_LIGHTMAP) -layout(location = 4) out vec2 uv2_interp; -#endif - -#if defined(TANGENT_USED) || defined(NORMALMAP_USED) || defined(LIGHT_ANISOTROPY_USED) -layout(location = 5) out vec3 tangent_interp; -layout(location = 6) out vec3 binormal_interp; -#endif - -#ifdef USE_MATERIAL_UNIFORMS -layout(set = 5, binding = 0, std140) uniform MaterialUniforms{ - /* clang-format off */ -MATERIAL_UNIFORMS - /* clang-format on */ -} material; -#endif - -/* clang-format off */ - -VERTEX_SHADER_GLOBALS - -/* clang-format on */ - -// FIXME: This triggers a Mesa bug that breaks rendering, so disabled for now. -// See GH-13450 and https://bugs.freedesktop.org/show_bug.cgi?id=100316 -invariant gl_Position; - -layout(location = 7) flat out uint instance_index; - -#ifdef MODE_DUAL_PARABOLOID - -layout(location = 8) out float dp_clip; - -#endif - -void main() { - - instance_index = draw_call.instance_index; - vec4 instance_custom = vec4(0.0); -#if defined(COLOR_USED) - color_interp = color_attrib; -#endif - - mat4 world_matrix = instances.data[instance_index].transform; - mat3 world_normal_matrix = mat3(instances.data[instance_index].normal_transform); - - if (bool(instances.data[instance_index].flags & INSTANCE_FLAGS_MULTIMESH)) { - //multimesh, instances are for it - uint offset = (instances.data[instance_index].flags >> INSTANCE_FLAGS_MULTIMESH_STRIDE_SHIFT) & INSTANCE_FLAGS_MULTIMESH_STRIDE_MASK; - offset *= gl_InstanceIndex; - - mat4 matrix; - if (bool(instances.data[instance_index].flags & INSTANCE_FLAGS_MULTIMESH_FORMAT_2D)) { - matrix = mat4(transforms.data[offset + 0], transforms.data[offset + 1], vec4(0.0, 0.0, 1.0, 0.0), vec4(0.0, 0.0, 0.0, 1.0)); - offset += 2; - } else { - matrix = mat4(transforms.data[offset + 0], transforms.data[offset + 1], transforms.data[offset + 2], vec4(0.0, 0.0, 0.0, 1.0)); - offset += 3; - } - - if (bool(instances.data[instance_index].flags & INSTANCE_FLAGS_MULTIMESH_HAS_COLOR)) { -#ifdef COLOR_USED - color_interp *= transforms.data[offset]; -#endif - offset += 1; - } - - if (bool(instances.data[instance_index].flags & INSTANCE_FLAGS_MULTIMESH_HAS_CUSTOM_DATA)) { - instance_custom = transforms.data[offset]; - } - - //transpose - matrix = transpose(matrix); - world_matrix = world_matrix * matrix; - world_normal_matrix = world_normal_matrix * mat3(matrix); - - } else { - //not a multimesh, instances are for multiple draw calls - instance_index += gl_InstanceIndex; - } - - vec3 vertex = vertex_attrib; - vec3 normal = normal_attrib; - -#if defined(TANGENT_USED) || defined(NORMALMAP_USED) || defined(LIGHT_ANISOTROPY_USED) - vec3 tangent = tangent_attrib.xyz; - float binormalf = tangent_attrib.a; - vec3 binormal = normalize(cross(normal, tangent) * binormalf); -#endif - - if (bool(instances.data[instance_index].flags & INSTANCE_FLAGS_SKELETON)) { - //multimesh, instances are for it - - uvec2 bones_01 = uvec2(bone_attrib.x & 0xFFFF, bone_attrib.x >> 16) * 3; - uvec2 bones_23 = uvec2(bone_attrib.y & 0xFFFF, bone_attrib.y >> 16) * 3; - vec2 weights_01 = unpackUnorm2x16(bone_attrib.z); - vec2 weights_23 = unpackUnorm2x16(bone_attrib.w); - - mat4 m = mat4(transforms.data[bones_01.x], transforms.data[bones_01.x + 1], transforms.data[bones_01.x + 2], vec4(0.0, 0.0, 0.0, 1.0)) * weights_01.x; - m += mat4(transforms.data[bones_01.y], transforms.data[bones_01.y + 1], transforms.data[bones_01.y + 2], vec4(0.0, 0.0, 0.0, 1.0)) * weights_01.y; - m += mat4(transforms.data[bones_23.x], transforms.data[bones_23.x + 1], transforms.data[bones_23.x + 2], vec4(0.0, 0.0, 0.0, 1.0)) * weights_23.x; - m += mat4(transforms.data[bones_23.y], transforms.data[bones_23.y + 1], transforms.data[bones_23.y + 2], vec4(0.0, 0.0, 0.0, 1.0)) * weights_23.y; - - //reverse order because its transposed - vertex = (vec4(vertex, 1.0) * m).xyz; - normal = (vec4(normal, 0.0) * m).xyz; - -#if defined(TANGENT_USED) || defined(NORMALMAP_USED) || defined(LIGHT_ANISOTROPY_USED) - - tangent = (vec4(tangent, 0.0) * m).xyz; - binormal = (vec4(binormal, 0.0) * m).xyz; -#endif - } - -#if defined(UV_USED) - uv_interp = uv_attrib; -#endif - -#if defined(UV2_USED) || defined(USE_LIGHTMAP) - uv2_interp = uv2_attrib; -#endif - -#ifdef USE_OVERRIDE_POSITION - vec4 position; -#endif - - mat4 projection_matrix = scene_data.projection_matrix; - -//using world coordinates -#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED) - - vertex = (world_matrix * vec4(vertex, 1.0)).xyz; - - normal = world_normal_matrix * normal; - -#if defined(TANGENT_USED) || defined(NORMALMAP_USED) || defined(LIGHT_ANISOTROPY_USED) - - tangent = world_normal_matrix * tangent; - binormal = world_normal_matrix * binormal; - -#endif -#endif - - float roughness = 1.0; - - mat4 modelview = scene_data.inv_camera_matrix * world_matrix; - mat3 modelview_normal = mat3(scene_data.inv_camera_matrix) * world_normal_matrix; - - { - /* clang-format off */ - -VERTEX_SHADER_CODE - - /* clang-format on */ - } - -// using local coordinates (default) -#if !defined(SKIP_TRANSFORM_USED) && !defined(VERTEX_WORLD_COORDS_USED) - - vertex = (modelview * vec4(vertex, 1.0)).xyz; - normal = modelview_normal * normal; -#endif - -#if defined(TANGENT_USED) || defined(NORMALMAP_USED) || defined(LIGHT_ANISOTROPY_USED) - - binormal = modelview_normal * binormal; - tangent = modelview_normal * tangent; -#endif - -//using world coordinates -#if !defined(SKIP_TRANSFORM_USED) && defined(VERTEX_WORLD_COORDS_USED) - - vertex = (scene_data.inv_camera_matrix * vec4(vertex, 1.0)).xyz; - normal = mat3(scene_data.inverse_normal_matrix) * normal; - -#if defined(TANGENT_USED) || defined(NORMALMAP_USED) || defined(LIGHT_ANISOTROPY_USED) - - binormal = mat3(scene_data.camera_inverse_binormal_matrix) * binormal; - tangent = mat3(scene_data.camera_inverse_tangent_matrix) * tangent; -#endif -#endif - - vertex_interp = vertex; - normal_interp = normal; - -#if defined(TANGENT_USED) || defined(NORMALMAP_USED) || defined(LIGHT_ANISOTROPY_USED) - tangent_interp = tangent; - binormal_interp = binormal; -#endif - -#ifdef MODE_RENDER_DEPTH - -#ifdef MODE_DUAL_PARABOLOID - - vertex_interp.z *= scene_data.dual_paraboloid_side; - normal_interp.z *= scene_data.dual_paraboloid_side; - - dp_clip = vertex_interp.z; //this attempts to avoid noise caused by objects sent to the other parabolloid side due to bias - - //for dual paraboloid shadow mapping, this is the fastest but least correct way, as it curves straight edges - - vec3 vtx = vertex_interp + normalize(vertex_interp) * scene_data.z_offset; - float distance = length(vtx); - vtx = normalize(vtx); - vtx.xy /= 1.0 - vtx.z; - vtx.z = (distance / scene_data.z_far); - vtx.z = vtx.z * 2.0 - 1.0; - - vertex_interp = vtx; -#else - - float z_ofs = scene_data.z_offset; - z_ofs += max(0.0, 1.0 - abs(normalize(normal_interp).z)) * scene_data.z_slope_scale; - vertex_interp.z -= z_ofs; - -#endif - -#endif //MODE_RENDER_DEPTH - -#ifdef USE_OVERRIDE_POSITION - gl_Position = position; -#else - gl_Position = projection_matrix * vec4(vertex_interp, 1.0); -#endif -} - -/* clang-format off */ -[fragment] - -#version 450 - -VERSION_DEFINES - -#include "scene_high_end_inc.glsl" - -/* Varyings */ - -layout(location = 0) in vec3 vertex_interp; -/* clang-format on */ -layout(location = 1) in vec3 normal_interp; - -#if defined(COLOR_USED) -layout(location = 2) in vec4 color_interp; -#endif - -#if defined(UV_USED) -layout(location = 3) in vec2 uv_interp; -#endif - -#if defined(UV2_USED) || defined(USE_LIGHTMAP) -layout(location = 4) in vec2 uv2_interp; -#endif - -#if defined(TANGENT_USED) || defined(NORMALMAP_USED) || defined(LIGHT_ANISOTROPY_USED) -layout(location = 5) in vec3 tangent_interp; -layout(location = 6) in vec3 binormal_interp; -#endif - -layout(location = 7) flat in uint instance_index; - -#ifdef MODE_DUAL_PARABOLOID - -layout(location = 8) in float dp_clip; - -#endif - -//defines to keep compatibility with vertex - -#define world_matrix instances.data[instance_index].transform -#define world_normal_matrix instances.data[instance_index].normal_transform -#define projection_matrix scene_data.projection_matrix - -#ifdef USE_MATERIAL_UNIFORMS -layout(set = 5, binding = 0, std140) uniform MaterialUniforms{ - /* clang-format off */ -MATERIAL_UNIFORMS - /* clang-format on */ -} material; -#endif - -/* clang-format off */ - -FRAGMENT_SHADER_GLOBALS - -/* clang-format on */ - -#ifdef MODE_RENDER_DEPTH - -#ifdef MODE_RENDER_MATERIAL - -layout(location = 0) out vec4 albedo_output_buffer; -layout(location = 1) out vec4 normal_output_buffer; -layout(location = 2) out vec4 orm_output_buffer; -layout(location = 3) out vec4 emission_output_buffer; -layout(location = 4) out float depth_output_buffer; - -#endif - -#ifdef MODE_RENDER_NORMAL -layout(location = 0) out vec4 normal_output_buffer; -#ifdef MODE_RENDER_ROUGHNESS -layout(location = 1) out float roughness_output_buffer; -#endif //MODE_RENDER_ROUGHNESS -#endif //MODE_RENDER_NORMAL -#else // RENDER DEPTH - -#ifdef MODE_MULTIPLE_RENDER_TARGETS - -layout(location = 0) out vec4 diffuse_buffer; //diffuse (rgb) and roughness -layout(location = 1) out vec4 specular_buffer; //specular and SSS (subsurface scatter) -#else - -layout(location = 0) out vec4 frag_color; -#endif - -#endif // RENDER DEPTH - -// This returns the G_GGX function divided by 2 cos_theta_m, where in practice cos_theta_m is either N.L or N.V. -// We're dividing this factor off because the overall term we'll end up looks like -// (see, for example, the first unnumbered equation in B. Burley, "Physically Based Shading at Disney", SIGGRAPH 2012): -// -// F(L.V) D(N.H) G(N.L) G(N.V) / (4 N.L N.V) -// -// We're basically regouping this as -// -// F(L.V) D(N.H) [G(N.L)/(2 N.L)] [G(N.V) / (2 N.V)] -// -// and thus, this function implements the [G(N.m)/(2 N.m)] part with m = L or V. -// -// The contents of the D and G (G1) functions (GGX) are taken from -// E. Heitz, "Understanding the Masking-Shadowing Function in Microfacet-Based BRDFs", J. Comp. Graph. Tech. 3 (2) (2014). -// Eqns 71-72 and 85-86 (see also Eqns 43 and 80). - -#if !defined(MODE_RENDER_DEPTH) && !defined(MODE_UNSHADED) - -float G_GGX_2cos(float cos_theta_m, float alpha) { - // Schlick's approximation - // C. Schlick, "An Inexpensive BRDF Model for Physically-based Rendering", Computer Graphics Forum. 13 (3): 233 (1994) - // Eq. (19), although see Heitz (2014) the about the problems with his derivation. - // It nevertheless approximates GGX well with k = alpha/2. - float k = 0.5 * alpha; - return 0.5 / (cos_theta_m * (1.0 - k) + k); - - // float cos2 = cos_theta_m * cos_theta_m; - // float sin2 = (1.0 - cos2); - // return 1.0 / (cos_theta_m + sqrt(cos2 + alpha * alpha * sin2)); -} - -float D_GGX(float cos_theta_m, float alpha) { - float alpha2 = alpha * alpha; - float d = 1.0 + (alpha2 - 1.0) * cos_theta_m * cos_theta_m; - return alpha2 / (M_PI * d * d); -} - -float G_GGX_anisotropic_2cos(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) { - float cos2 = cos_theta_m * cos_theta_m; - float sin2 = (1.0 - cos2); - float s_x = alpha_x * cos_phi; - float s_y = alpha_y * sin_phi; - return 1.0 / max(cos_theta_m + sqrt(cos2 + (s_x * s_x + s_y * s_y) * sin2), 0.001); -} - -float D_GGX_anisotropic(float cos_theta_m, float alpha_x, float alpha_y, float cos_phi, float sin_phi) { - float cos2 = cos_theta_m * cos_theta_m; - float sin2 = (1.0 - cos2); - float r_x = cos_phi / alpha_x; - float r_y = sin_phi / alpha_y; - float d = cos2 + sin2 * (r_x * r_x + r_y * r_y); - return 1.0 / max(M_PI * alpha_x * alpha_y * d * d, 0.001); -} - -float SchlickFresnel(float u) { - float m = 1.0 - u; - float m2 = m * m; - return m2 * m2 * m; // pow(m,5) -} - -float GTR1(float NdotH, float a) { - if (a >= 1.0) return 1.0 / M_PI; - float a2 = a * a; - float t = 1.0 + (a2 - 1.0) * NdotH * NdotH; - return (a2 - 1.0) / (M_PI * log(a2) * t); -} - -vec3 F0(float metallic, float specular, vec3 albedo) { - float dielectric = 0.16 * specular * specular; - // use albedo * metallic as colored specular reflectance at 0 angle for metallic materials; - // see https://google.github.io/filament/Filament.md.html - return mix(vec3(dielectric), albedo, vec3(metallic)); -} - -void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, vec3 attenuation, vec3 diffuse_color, float roughness, float metallic, float specular, float specular_blob_intensity, -#ifdef LIGHT_TRANSMISSION_USED - vec3 transmission, -#endif -#ifdef LIGHT_RIM_USED - float rim, float rim_tint, -#endif -#ifdef LIGHT_CLEARCOAT_USED - float clearcoat, float clearcoat_gloss, -#endif -#ifdef LIGHT_ANISOTROPY_USED - vec3 B, vec3 T, float anisotropy, -#endif -#ifdef USE_SHADOW_TO_OPACITY - inout float alpha, -#endif - inout vec3 diffuse_light, inout vec3 specular_light) { - -#if defined(USE_LIGHT_SHADER_CODE) - // light is written by the light shader - - vec3 normal = N; - vec3 albedo = diffuse_color; - vec3 light = L; - vec3 view = V; - - /* clang-format off */ - -LIGHT_SHADER_CODE - - /* clang-format on */ - -#else - float NdotL = dot(N, L); - float cNdotL = max(NdotL, 0.0); // clamped NdotL - float NdotV = dot(N, V); - float cNdotV = max(NdotV, 0.0); - -#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_CLEARCOAT_USED) - vec3 H = normalize(V + L); -#endif - -#if defined(SPECULAR_BLINN) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_CLEARCOAT_USED) - float cNdotH = max(dot(N, H), 0.0); -#endif - -#if defined(DIFFUSE_BURLEY) || defined(SPECULAR_SCHLICK_GGX) || defined(LIGHT_CLEARCOAT_USED) - float cLdotH = max(dot(L, H), 0.0); -#endif - - if (metallic < 1.0) { -#if defined(DIFFUSE_OREN_NAYAR) - vec3 diffuse_brdf_NL; -#else - float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance -#endif - -#if defined(DIFFUSE_LAMBERT_WRAP) - // energy conserving lambert wrap shader - diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness))); - -#elif defined(DIFFUSE_OREN_NAYAR) - - { - // see http://mimosa-pudica.net/improved-oren-nayar.html - float LdotV = dot(L, V); - - float s = LdotV - NdotL * NdotV; - float t = mix(1.0, max(NdotL, NdotV), step(0.0, s)); - - float sigma2 = roughness * roughness; // TODO: this needs checking - vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13)); - float B = 0.45 * sigma2 / (sigma2 + 0.09); - - diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI); - } - -#elif defined(DIFFUSE_TOON) - - diffuse_brdf_NL = smoothstep(-roughness, max(roughness, 0.01), NdotL); - -#elif defined(DIFFUSE_BURLEY) - - { - float FD90_minus_1 = 2.0 * cLdotH * cLdotH * roughness - 0.5; - float FdV = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotV); - float FdL = 1.0 + FD90_minus_1 * SchlickFresnel(cNdotL); - diffuse_brdf_NL = (1.0 / M_PI) * FdV * FdL * cNdotL; - /* - float energyBias = mix(roughness, 0.0, 0.5); - float energyFactor = mix(roughness, 1.0, 1.0 / 1.51); - float fd90 = energyBias + 2.0 * VoH * VoH * roughness; - float f0 = 1.0; - float lightScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotL, 5.0); - float viewScatter = f0 + (fd90 - f0) * pow(1.0 - cNdotV, 5.0); - - diffuse_brdf_NL = lightScatter * viewScatter * energyFactor; - */ - } -#else - // lambert - diffuse_brdf_NL = cNdotL * (1.0 / M_PI); -#endif - - diffuse_light += light_color * diffuse_color * diffuse_brdf_NL * attenuation; - -#if defined(LIGHT_TRANSMISSION_USED) - diffuse_light += light_color * diffuse_color * (vec3(1.0 / M_PI) - diffuse_brdf_NL) * transmission * attenuation; -#endif - -#if defined(LIGHT_RIM_USED) - float rim_light = pow(max(0.0, 1.0 - cNdotV), max(0.0, (1.0 - roughness) * 16.0)); - diffuse_light += rim_light * rim * mix(vec3(1.0), diffuse_color, rim_tint) * light_color; -#endif - } - - if (roughness > 0.0) { // FIXME: roughness == 0 should not disable specular light entirely - - // D - -#if defined(SPECULAR_BLINN) - - //normalized blinn - float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25; - float blinn = pow(cNdotH, shininess) * cNdotL; - blinn *= (shininess + 8.0) * (1.0 / (8.0 * M_PI)); - float intensity = blinn; - - specular_light += light_color * intensity * specular_blob_intensity * attenuation; - -#elif defined(SPECULAR_PHONG) - - vec3 R = normalize(-reflect(L, N)); - float cRdotV = max(0.0, dot(R, V)); - float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25; - float phong = pow(cRdotV, shininess); - phong *= (shininess + 8.0) * (1.0 / (8.0 * M_PI)); - float intensity = (phong) / max(4.0 * cNdotV * cNdotL, 0.75); - - specular_light += light_color * intensity * specular_blob_intensity * attenuation; - -#elif defined(SPECULAR_TOON) - - vec3 R = normalize(-reflect(L, N)); - float RdotV = dot(R, V); - float mid = 1.0 - roughness; - mid *= mid; - float intensity = smoothstep(mid - roughness * 0.5, mid + roughness * 0.5, RdotV) * mid; - diffuse_light += light_color * intensity * specular_blob_intensity * attenuation; // write to diffuse_light, as in toon shading you generally want no reflection - -#elif defined(SPECULAR_DISABLED) - // none.. - -#elif defined(SPECULAR_SCHLICK_GGX) - // shlick+ggx as default - -#if defined(LIGHT_ANISOTROPY_USED) - - float alpha_ggx = roughness * roughness; - float aspect = sqrt(1.0 - anisotropy * 0.9); - float ax = alpha_ggx / aspect; - float ay = alpha_ggx * aspect; - float XdotH = dot(T, H); - float YdotH = dot(B, H); - float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH); - float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH); - -#else - float alpha_ggx = roughness * roughness; - float D = D_GGX(cNdotH, alpha_ggx); - float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx); -#endif - // F - vec3 f0 = F0(metallic, specular, diffuse_color); - float cLdotH5 = SchlickFresnel(cLdotH); - vec3 F = mix(vec3(cLdotH5), vec3(1.0), f0); - - vec3 specular_brdf_NL = cNdotL * D * F * G; - - specular_light += specular_brdf_NL * light_color * specular_blob_intensity * attenuation; -#endif - -#if defined(LIGHT_CLEARCOAT_USED) - -#if !defined(SPECULAR_SCHLICK_GGX) - float cLdotH5 = SchlickFresnel(cLdotH); -#endif - float Dr = GTR1(cNdotH, mix(.1, .001, clearcoat_gloss)); - float Fr = mix(.04, 1.0, cLdotH5); - float Gr = G_GGX_2cos(cNdotL, .25) * G_GGX_2cos(cNdotV, .25); - - float clearcoat_specular_brdf_NL = 0.25 * clearcoat * Gr * Fr * Dr * cNdotL; - - specular_light += clearcoat_specular_brdf_NL * light_color * specular_blob_intensity * attenuation; -#endif - } - -#ifdef USE_SHADOW_TO_OPACITY - alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0)); -#endif - -#endif //defined(USE_LIGHT_SHADER_CODE) -} - -#ifndef USE_NO_SHADOWS - -float sample_shadow(texture2D shadow, vec2 shadow_pixel_size, vec4 coord) { - - //todo optimize - vec2 pos = coord.xy; - float depth = coord.z; - -#ifdef SHADOW_MODE_PCF_13 - - float avg = textureProj(shadow, vec4(pos, depth, 1.0)); - avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0)); - avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0)); - avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0)); - avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0)); - avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0)); - avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(-shadow_pixel_size.x, shadow_pixel_size.y), depth, 1.0)); - avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0)); - avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(-shadow_pixel_size.x, -shadow_pixel_size.y), depth, 1.0)); - avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(shadow_pixel_size.x * 2.0, 0.0), depth, 1.0)); - avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(-shadow_pixel_size.x * 2.0, 0.0), depth, 1.0)); - avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(0.0, shadow_pixel_size.y * 2.0), depth, 1.0)); - avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(0.0, -shadow_pixel_size.y * 2.0), depth, 1.0)); - return avg * (1.0 / 13.0); -#endif - -#ifdef SHADOW_MODE_PCF_5 - - float avg = textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos, depth, 1.0)); - avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(shadow_pixel_size.x, 0.0), depth, 1.0)); - avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(-shadow_pixel_size.x, 0.0), depth, 1.0)); - avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(0.0, shadow_pixel_size.y), depth, 1.0)); - avg += textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos + vec2(0.0, -shadow_pixel_size.y), depth, 1.0)); - return avg * (1.0 / 5.0); - -#endif - -#if !defined(SHADOW_MODE_PCF_5) || !defined(SHADOW_MODE_PCF_13) - - return textureProj(sampler2DShadow(shadow, shadow_sampler), vec4(pos, depth, 1.0)); - -#endif -} - -#endif //USE_NO_SHADOWS - -void light_process_omni(uint idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 albedo, float roughness, float metallic, float specular, float p_blob_intensity, -#ifdef LIGHT_TRANSMISSION_USED - vec3 transmission, -#endif -#ifdef LIGHT_RIM_USED - float rim, float rim_tint, -#endif -#ifdef LIGHT_CLEARCOAT_USED - float clearcoat, float clearcoat_gloss, -#endif -#ifdef LIGHT_ANISOTROPY_USED - vec3 binormal, vec3 tangent, float anisotropy, -#endif -#ifdef USE_SHADOW_TO_OPACITY - inout float alpha, -#endif - inout vec3 diffuse_light, inout vec3 specular_light) { - - vec3 light_rel_vec = lights.data[idx].position - vertex; - float light_length = length(light_rel_vec); - float normalized_distance = light_length * lights.data[idx].inv_radius; - vec2 attenuation_energy = unpackHalf2x16(lights.data[idx].attenuation_energy); - float omni_attenuation = pow(max(1.0 - normalized_distance, 0.0), attenuation_energy.x); - vec3 light_attenuation = vec3(omni_attenuation); - vec4 color_specular = unpackUnorm4x8(lights.data[idx].color_specular); - color_specular.rgb *= attenuation_energy.y; - -#ifndef USE_NO_SHADOWS - vec4 shadow_color_enabled = unpackUnorm4x8(lights.data[idx].shadow_color_enabled); - if (shadow_color_enabled.w > 0.5) { - // there is a shadowmap - - vec4 splane = (lights.data[idx].shadow_matrix * vec4(vertex, 1.0)); - float shadow_len = length(splane); - splane = normalize(splane); - vec4 clamp_rect = lights.data[idx].atlas_rect; - - if (splane.z >= 0.0) { - - splane.z += 1.0; - - clamp_rect.y += clamp_rect.w; - - } else { - - splane.z = 1.0 - splane.z; - } - - splane.xy /= splane.z; - splane.xy = splane.xy * 0.5 + 0.5; - splane.z = shadow_len * lights.data[idx].inv_radius; - splane.xy = clamp_rect.xy + splane.xy * clamp_rect.zw; - splane.w = 1.0; //needed? i think it should be 1 already - float shadow = sample_shadow(shadow_atlas, scene_data.shadow_atlas_pixel_size, splane); - - light_attenuation *= mix(shadow_color_enabled.rgb, vec3(1.0), shadow); - } -#endif //USE_NO_SHADOWS - - light_compute(normal, normalize(light_rel_vec), eye_vec, color_specular.rgb, light_attenuation, albedo, roughness, metallic, specular, color_specular.a * p_blob_intensity, -#ifdef LIGHT_TRANSMISSION_USED - transmission, -#endif -#ifdef LIGHT_RIM_USED - rim * omni_attenuation, rim_tint, -#endif -#ifdef LIGHT_CLEARCOAT_USED - clearcoat, clearcoat_gloss, -#endif -#ifdef LIGHT_ANISOTROPY_USED - binormal, tangent, anisotropy, -#endif -#ifdef USE_SHADOW_TO_OPACITY - alpha, -#endif - diffuse_light, - specular_light); -} - -void light_process_spot(uint idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 albedo, float roughness, float metallic, float specular, float p_blob_intensity, -#ifdef LIGHT_TRANSMISSION_USED - vec3 transmission, -#endif -#ifdef LIGHT_RIM_USED - float rim, float rim_tint, -#endif -#ifdef LIGHT_CLEARCOAT_USED - float clearcoat, float clearcoat_gloss, -#endif -#ifdef LIGHT_ANISOTROPY_USED - vec3 binormal, vec3 tangent, float anisotropy, -#endif -#ifdef USE_SHADOW_TO_OPACITY - inout float alpha, -#endif - inout vec3 diffuse_light, - inout vec3 specular_light) { - - vec3 light_rel_vec = lights.data[idx].position - vertex; - float light_length = length(light_rel_vec); - float normalized_distance = light_length * lights.data[idx].inv_radius; - vec2 attenuation_energy = unpackHalf2x16(lights.data[idx].attenuation_energy); - float spot_attenuation = pow(max(1.0 - normalized_distance, 0.001), attenuation_energy.x); - vec3 spot_dir = lights.data[idx].direction; - vec2 spot_att_angle = unpackHalf2x16(lights.data[idx].cone_attenuation_angle); - float scos = max(dot(-normalize(light_rel_vec), spot_dir), spot_att_angle.y); - float spot_rim = max(0.0001, (1.0 - scos) / (1.0 - spot_att_angle.y)); - spot_attenuation *= 1.0 - pow(spot_rim, spot_att_angle.x); - vec3 light_attenuation = vec3(spot_attenuation); - vec4 color_specular = unpackUnorm4x8(lights.data[idx].color_specular); - color_specular.rgb *= attenuation_energy.y; - -/* - if (lights.data[idx].atlas_rect!=vec4(0.0)) { - //use projector texture - } - */ -#ifndef USE_NO_SHADOWS - vec4 shadow_color_enabled = unpackUnorm4x8(lights.data[idx].shadow_color_enabled); - if (shadow_color_enabled.w > 0.5) { - //there is a shadowmap - vec4 splane = (lights.data[idx].shadow_matrix * vec4(vertex, 1.0)); - splane /= splane.w; - float shadow = sample_shadow(shadow_atlas, scene_data.shadow_atlas_pixel_size, splane); - - light_attenuation *= mix(shadow_color_enabled.rgb, vec3(1.0), shadow); - } - -#endif //USE_NO_SHADOWS - - light_compute(normal, normalize(light_rel_vec), eye_vec, color_specular.rgb, light_attenuation, albedo, roughness, metallic, specular, color_specular.a * p_blob_intensity, -#ifdef LIGHT_TRANSMISSION_USED - transmission, -#endif -#ifdef LIGHT_RIM_USED - rim * spot_attenuation, rim_tint, -#endif -#ifdef LIGHT_CLEARCOAT_USED - clearcoat, clearcoat_gloss, -#endif -#ifdef LIGHT_ANISOTROPY_USED - binormal, tangent, anisotropy, -#endif -#ifdef USE_SHADOW_TO_OPACITY - alpha, -#endif - diffuse_light, specular_light); -} - -void reflection_process(uint ref_index, vec3 vertex, vec3 normal, float roughness, vec3 ambient_light, vec3 specular_light, inout vec4 ambient_accum, inout vec4 reflection_accum) { - - vec3 box_extents = reflections.data[ref_index].box_extents; - vec3 local_pos = (reflections.data[ref_index].local_matrix * vec4(vertex, 1.0)).xyz; - - if (any(greaterThan(abs(local_pos), box_extents))) { //out of the reflection box - return; - } - - vec3 ref_vec = normalize(reflect(vertex, normal)); - - vec3 inner_pos = abs(local_pos / box_extents); - float blend = max(inner_pos.x, max(inner_pos.y, inner_pos.z)); - //make blend more rounded - blend = mix(length(inner_pos), blend, blend); - blend *= blend; - blend = max(0.0, 1.0 - blend); - - if (reflections.data[ref_index].params.x > 0.0) { // compute reflection - - vec3 local_ref_vec = (reflections.data[ref_index].local_matrix * vec4(ref_vec, 0.0)).xyz; - - if (reflections.data[ref_index].params.w > 0.5) { //box project - - vec3 nrdir = normalize(local_ref_vec); - vec3 rbmax = (box_extents - local_pos) / nrdir; - vec3 rbmin = (-box_extents - local_pos) / nrdir; - - vec3 rbminmax = mix(rbmin, rbmax, greaterThan(nrdir, vec3(0.0, 0.0, 0.0))); - - float fa = min(min(rbminmax.x, rbminmax.y), rbminmax.z); - vec3 posonbox = local_pos + nrdir * fa; - local_ref_vec = posonbox - reflections.data[ref_index].box_offset; - } - - vec4 reflection; - - reflection.rgb = textureLod(samplerCubeArray(reflection_atlas, material_samplers[SAMPLER_LINEAR_WITH_MIPMAPS_CLAMP]), vec4(local_ref_vec, reflections.data[ref_index].index), roughness * MAX_ROUGHNESS_LOD).rgb; - - if (reflections.data[ref_index].params.z < 0.5) { - reflection.rgb = mix(specular_light, reflection.rgb, blend); - } - - reflection.rgb *= reflections.data[ref_index].params.x; - reflection.a = blend; - reflection.rgb *= reflection.a; - - reflection_accum += reflection; - } - -#if !defined(USE_LIGHTMAP) && !defined(USE_VOXEL_CONE_TRACING) - if (reflections.data[ref_index].ambient.a > 0.0) { //compute ambient using skybox - - vec3 local_amb_vec = (reflections.data[ref_index].local_matrix * vec4(normal, 0.0)).xyz; - - vec4 ambient_out; - - ambient_out.rgb = textureLod(samplerCubeArray(reflection_atlas, material_samplers[SAMPLER_LINEAR_WITH_MIPMAPS_CLAMP]), vec4(local_amb_vec, reflections.data[ref_index].index), MAX_ROUGHNESS_LOD).rgb; - - ambient_out.a = blend; - ambient_out.rgb = mix(reflections.data[ref_index].ambient.rgb, ambient_out.rgb, reflections.data[ref_index].ambient.a); - if (reflections.data[ref_index].params.z < 0.5) { - ambient_out.rgb = mix(ambient_light, ambient_out.rgb, blend); - } - - ambient_out.rgb *= ambient_out.a; - ambient_accum += ambient_out; - } else { - - vec4 ambient_out; - ambient_out.a = blend; - ambient_out.rgb = reflections.data[ref_index].ambient.rgb; - if (reflections.data[ref_index].params.z < 0.5) { - ambient_out.rgb = mix(ambient_light, ambient_out.rgb, blend); - } - ambient_out.rgb *= ambient_out.a; - ambient_accum += ambient_out; - } -#endif //USE_LIGHTMAP or VCT -} - -#ifdef USE_VOXEL_CONE_TRACING - -//standard voxel cone trace -vec4 voxel_cone_trace(texture3D probe, vec3 cell_size, vec3 pos, vec3 direction, float tan_half_angle, float max_distance, float p_bias) { - - float dist = p_bias; - vec4 color = vec4(0.0); - - while (dist < max_distance && color.a < 0.95) { - float diameter = max(1.0, 2.0 * tan_half_angle * dist); - vec3 uvw_pos = (pos + dist * direction) * cell_size; - float half_diameter = diameter * 0.5; - //check if outside, then break - if (any(greaterThan(abs(uvw_pos - 0.5), vec3(0.5f + half_diameter * cell_size)))) { - break; - } - vec4 scolor = textureLod(sampler3D(probe, material_samplers[SAMPLER_LINEAR_WITH_MIPMAPS_CLAMP]), uvw_pos, log2(diameter)); - float a = (1.0 - color.a); - color += a * scolor; - dist += half_diameter; - } - - return color; -} - -#ifndef GI_PROBE_HIGH_QUALITY -//faster version for 45 degrees - -#ifdef GI_PROBE_USE_ANISOTROPY - -vec4 voxel_cone_trace_anisotropic_45_degrees(texture3D probe, texture3D aniso_pos, texture3D aniso_neg, vec3 normal, vec3 cell_size, vec3 pos, vec3 direction, float tan_half_angle, float max_distance, float p_bias) { - - float dist = p_bias; - vec4 color = vec4(0.0); - float radius = max(0.5, tan_half_angle * dist); - float lod_level = log2(radius * 2.0); - - while (dist < max_distance && color.a < 0.95) { - vec3 uvw_pos = (pos + dist * direction) * cell_size; - //check if outside, then break - if (any(greaterThan(abs(uvw_pos - 0.5), vec3(0.5f + radius * cell_size)))) { - break; - } - - vec4 scolor = textureLod(sampler3D(probe, material_samplers[SAMPLER_LINEAR_WITH_MIPMAPS_CLAMP]), uvw_pos, lod_level); - vec3 aniso_neg = textureLod(sampler3D(aniso_neg, material_samplers[SAMPLER_LINEAR_WITH_MIPMAPS_CLAMP]), uvw_pos, lod_level).rgb; - vec3 aniso_pos = textureLod(sampler3D(aniso_pos, material_samplers[SAMPLER_LINEAR_WITH_MIPMAPS_CLAMP]), uvw_pos, lod_level).rgb; - - scolor.rgb *= dot(max(vec3(0.0), (normal * aniso_pos)), vec3(1.0)) + dot(max(vec3(0.0), (-normal * aniso_neg)), vec3(1.0)); - lod_level += 1.0; - - float a = (1.0 - color.a); - scolor *= a; - color += scolor; - dist += radius; - radius = max(0.5, tan_half_angle * dist); - } - - return color; -} -#else - -vec4 voxel_cone_trace_45_degrees(texture3D probe, vec3 cell_size, vec3 pos, vec3 direction, float tan_half_angle, float max_distance, float p_bias) { - - float dist = p_bias; - vec4 color = vec4(0.0); - float radius = max(0.5, tan_half_angle * dist); - float lod_level = log2(radius * 2.0); - - while (dist < max_distance && color.a < 0.95) { - vec3 uvw_pos = (pos + dist * direction) * cell_size; - - //check if outside, then break - if (any(greaterThan(abs(uvw_pos - 0.5), vec3(0.5f + radius * cell_size)))) { - break; - } - vec4 scolor = textureLod(sampler3D(probe, material_samplers[SAMPLER_LINEAR_WITH_MIPMAPS_CLAMP]), uvw_pos, lod_level); - lod_level += 1.0; - - float a = (1.0 - color.a); - scolor *= a; - color += scolor; - dist += radius; - radius = max(0.5, tan_half_angle * dist); - } - - return color; -} - -#endif - -#elif defined(GI_PROBE_USE_ANISOTROPY) - -//standard voxel cone trace -vec4 voxel_cone_trace_anisotropic(texture3D probe, texture3D aniso_pos, texture3D aniso_neg, vec3 normal, vec3 cell_size, vec3 pos, vec3 direction, float tan_half_angle, float max_distance, float p_bias) { - - float dist = p_bias; - vec4 color = vec4(0.0); - - while (dist < max_distance && color.a < 0.95) { - float diameter = max(1.0, 2.0 * tan_half_angle * dist); - vec3 uvw_pos = (pos + dist * direction) * cell_size; - float half_diameter = diameter * 0.5; - //check if outside, then break - if (any(greaterThan(abs(uvw_pos - 0.5), vec3(0.5f + half_diameter * cell_size)))) { - break; - } - float log2_diameter = log2(diameter); - vec4 scolor = textureLod(sampler3D(probe, material_samplers[SAMPLER_LINEAR_WITH_MIPMAPS_CLAMP]), uvw_pos, log2_diameter); - vec3 aniso_neg = textureLod(sampler3D(aniso_neg, material_samplers[SAMPLER_LINEAR_WITH_MIPMAPS_CLAMP]), uvw_pos, log2_diameter).rgb; - vec3 aniso_pos = textureLod(sampler3D(aniso_pos, material_samplers[SAMPLER_LINEAR_WITH_MIPMAPS_CLAMP]), uvw_pos, log2_diameter).rgb; - - scolor.rgb *= dot(max(vec3(0.0), (normal * aniso_pos)), vec3(1.0)) + dot(max(vec3(0.0), (-normal * aniso_neg)), vec3(1.0)); - - float a = (1.0 - color.a); - scolor *= a; - color += scolor; - dist += half_diameter; - } - - return color; -} - -#endif - -void gi_probe_compute(uint index, vec3 position, vec3 normal, vec3 ref_vec, mat3 normal_xform, float roughness, vec3 ambient, vec3 environment, inout vec4 out_spec, inout vec4 out_diff) { - - position = (gi_probes.data[index].xform * vec4(position, 1.0)).xyz; - ref_vec = normalize((gi_probes.data[index].xform * vec4(ref_vec, 0.0)).xyz); - normal = normalize((gi_probes.data[index].xform * vec4(normal, 0.0)).xyz); - - position += normal * gi_probes.data[index].normal_bias; - - //this causes corrupted pixels, i have no idea why.. - if (any(bvec2(any(lessThan(position, vec3(0.0))), any(greaterThan(position, gi_probes.data[index].bounds))))) { - return; - } - - vec3 blendv = abs(position / gi_probes.data[index].bounds * 2.0 - 1.0); - float blend = clamp(1.0 - max(blendv.x, max(blendv.y, blendv.z)), 0.0, 1.0); - //float blend=1.0; - - float max_distance = length(gi_probes.data[index].bounds); - vec3 cell_size = 1.0 / gi_probes.data[index].bounds; - - //radiance - -#ifdef GI_PROBE_HIGH_QUALITY - -#define MAX_CONE_DIRS 6 - vec3 cone_dirs[MAX_CONE_DIRS] = vec3[]( - vec3(0.0, 0.0, 1.0), - vec3(0.866025, 0.0, 0.5), - vec3(0.267617, 0.823639, 0.5), - vec3(-0.700629, 0.509037, 0.5), - vec3(-0.700629, -0.509037, 0.5), - vec3(0.267617, -0.823639, 0.5)); - - float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.15, 0.15, 0.15, 0.15, 0.15); - float cone_angle_tan = 0.577; - -#elif defined(GI_PROBE_LOW_QUALITY) - -#define MAX_CONE_DIRS 1 - - vec3 cone_dirs[MAX_CONE_DIRS] = vec3[]( - vec3(0.0, 0.0, 1.0)); - - float cone_weights[MAX_CONE_DIRS] = float[](1.0); - float cone_angle_tan = 4; //~76 degrees -#else // MEDIUM QUALITY - -#define MAX_CONE_DIRS 4 - - vec3 cone_dirs[MAX_CONE_DIRS] = vec3[]( - vec3(0.707107, 0.0, 0.707107), - vec3(0.0, 0.707107, 0.707107), - vec3(-0.707107, 0.0, 0.707107), - vec3(0.0, -0.707107, 0.707107)); - - float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25); - float cone_angle_tan = 0.98269; - -#endif - vec3 light = vec3(0.0); - - for (int i = 0; i < MAX_CONE_DIRS; i++) { - - vec3 dir = normalize((gi_probes.data[index].xform * vec4(normal_xform * cone_dirs[i], 0.0)).xyz); - -#if defined(GI_PROBE_HIGH_QUALITY) || defined(GI_PROBE_LOW_QUALITY) - -#ifdef GI_PROBE_USE_ANISOTROPY - vec4 cone_light = voxel_cone_trace_anisotropic(gi_probe_textures[gi_probes.data[index].texture_slot], gi_probe_textures[gi_probes.data[index].texture_slot + 1], gi_probe_textures[gi_probes.data[index].texture_slot + 2], normalize(mix(dir, normal, gi_probes.data[index].anisotropy_strength)), cell_size, position, dir, cone_angle_tan, max_distance, gi_probes.data[index].bias); -#else - - vec4 cone_light = voxel_cone_trace(gi_probe_textures[gi_probes.data[index].texture_slot], cell_size, position, dir, cone_angle_tan, max_distance, gi_probes.data[index].bias); - -#endif // GI_PROBE_USE_ANISOTROPY - -#else - -#ifdef GI_PROBE_USE_ANISOTROPY - vec4 cone_light = voxel_cone_trace_anisotropic_45_degrees(gi_probe_textures[gi_probes.data[index].texture_slot], gi_probe_textures[gi_probes.data[index].texture_slot + 1], gi_probe_textures[gi_probes.data[index].texture_slot + 2], normalize(mix(dir, normal, gi_probes.data[index].anisotropy_strength)), cell_size, position, dir, cone_angle_tan, max_distance, gi_probes.data[index].bias); -#else - vec4 cone_light = voxel_cone_trace_45_degrees(gi_probe_textures[gi_probes.data[index].texture_slot], cell_size, position, dir, cone_angle_tan, max_distance, gi_probes.data[index].bias); -#endif // GI_PROBE_USE_ANISOTROPY - -#endif - if (gi_probes.data[index].blend_ambient) { - cone_light.rgb = mix(ambient, cone_light.rgb, min(1.0, cone_light.a / 0.95)); - } - - light += cone_weights[i] * cone_light.rgb; - } - - light *= gi_probes.data[index].dynamic_range; - - if (gi_probes.data[index].ambient_occlusion > 0.001) { - - float size = 1.0 + gi_probes.data[index].ambient_occlusion_size * 7.0; - - float taps, blend; - blend = modf(size, taps); - float ao = 0.0; - for (float i = 1.0; i <= taps; i++) { - vec3 ofs = (position + normal * (i * 0.5 + 1.0)) * cell_size; - ao += textureLod(sampler3D(gi_probe_textures[gi_probes.data[index].texture_slot], material_samplers[SAMPLER_LINEAR_WITH_MIPMAPS_CLAMP]), ofs, i - 1.0).a * i; - } - - if (blend > 0.001) { - vec3 ofs = (position + normal * ((taps + 1.0) * 0.5 + 1.0)) * cell_size; - ao += textureLod(sampler3D(gi_probe_textures[gi_probes.data[index].texture_slot], material_samplers[SAMPLER_LINEAR_WITH_MIPMAPS_CLAMP]), ofs, taps).a * (taps + 1.0) * blend; - } - - ao = 1.0 - min(1.0, ao); - - light = mix(scene_data.ao_color.rgb, light, mix(1.0, ao, gi_probes.data[index].ambient_occlusion)); - } - - out_diff += vec4(light * blend, blend); - - //irradiance -#ifndef GI_PROBE_LOW_QUALITY - vec4 irr_light = voxel_cone_trace(gi_probe_textures[gi_probes.data[index].texture_slot], cell_size, position, ref_vec, tan(roughness * 0.5 * M_PI * 0.99), max_distance, gi_probes.data[index].bias); - if (gi_probes.data[index].blend_ambient) { - irr_light.rgb = mix(environment, irr_light.rgb, min(1.0, irr_light.a / 0.95)); - } - irr_light.rgb *= gi_probes.data[index].dynamic_range; - //irr_light=vec3(0.0); - - out_spec += vec4(irr_light.rgb * blend, blend); -#endif -} - -#endif //USE_VOXEL_CONE_TRACING - -#endif //!defined(MODE_RENDER_DEPTH) && !defined(MODE_UNSHADED) - -void main() { - -#ifdef MODE_DUAL_PARABOLOID - - if (dp_clip > 0.0) - discard; -#endif - - //lay out everything, whathever is unused is optimized away anyway - vec3 vertex = vertex_interp; - vec3 view = -normalize(vertex_interp); - vec3 albedo = vec3(1.0); - vec3 transmission = vec3(0.0); - float metallic = 0.0; - float specular = 0.5; - vec3 emission = vec3(0.0); - float roughness = 1.0; - float rim = 0.0; - float rim_tint = 0.0; - float clearcoat = 0.0; - float clearcoat_gloss = 0.0; - float anisotropy = 0.0; - vec2 anisotropy_flow = vec2(1.0, 0.0); - -#if defined(AO_USED) - float ao = 1.0; - float ao_light_affect = 0.0; -#endif - - float alpha = 1.0; - -#if defined(ALPHA_SCISSOR_USED) - float alpha_scissor = 0.5; -#endif - -#if defined(TANGENT_USED) || defined(NORMALMAP_USED) || defined(LIGHT_ANISOTROPY_USED) - vec3 binormal = normalize(binormal_interp); - vec3 tangent = normalize(tangent_interp); -#else - vec3 binormal = vec3(0.0); - vec3 tangent = vec3(0.0); -#endif - vec3 normal = normalize(normal_interp); - -#if defined(DO_SIDE_CHECK) - if (!gl_FrontFacing) { - normal = -normal; - } -#endif - -#if defined(UV_USED) - vec2 uv = uv_interp; -#endif - -#if defined(UV2_USED) || defined(USE_LIGHTMAP) - vec2 uv2 = uv2_interp; -#endif - -#if defined(COLOR_USED) - vec4 color = color_interp; -#endif - -#if defined(NORMALMAP_USED) - - vec3 normalmap = vec3(0.5); -#endif - - float normaldepth = 1.0; - - vec2 screen_uv = gl_FragCoord.xy * scene_data.screen_pixel_size + scene_data.screen_pixel_size * 0.5; //account for center - - float sss_strength = 0.0; - - { - /* clang-format off */ - -FRAGMENT_SHADER_CODE - - /* clang-format on */ - } - -#if !defined(USE_SHADOW_TO_OPACITY) - -#if defined(ALPHA_SCISSOR_USED) - if (alpha < alpha_scissor) { - discard; - } -#endif // ALPHA_SCISSOR_USED - -#ifdef USE_OPAQUE_PREPASS - - if (alpha < opaque_prepass_threshold) { - discard; - } - -#endif // USE_OPAQUE_PREPASS - -#endif // !USE_SHADOW_TO_OPACITY - -#if defined(NORMALMAP_USED) - - normalmap.xy = normalmap.xy * 2.0 - 1.0; - normalmap.z = sqrt(max(0.0, 1.0 - dot(normalmap.xy, normalmap.xy))); //always ignore Z, as it can be RG packed, Z may be pos/neg, etc. - - normal = normalize(mix(normal, tangent * normalmap.x + binormal * normalmap.y + normal * normalmap.z, normaldepth)); - -#endif - -#if defined(LIGHT_ANISOTROPY_USED) - - if (anisotropy > 0.01) { - //rotation matrix - mat3 rot = mat3(tangent, binormal, normal); - //make local to space - tangent = normalize(rot * vec3(anisotropy_flow.x, anisotropy_flow.y, 0.0)); - binormal = normalize(rot * vec3(-anisotropy_flow.y, anisotropy_flow.x, 0.0)); - } - -#endif - -#ifdef ENABLE_CLIP_ALPHA - if (albedo.a < 0.99) { - //used for doublepass and shadowmapping - discard; - } -#endif - - /////////////////////// LIGHTING ////////////////////////////// - - //apply energy conservation - - vec3 specular_light = vec3(0.0, 0.0, 0.0); - vec3 diffuse_light = vec3(0.0, 0.0, 0.0); - vec3 ambient_light = vec3(0.0, 0.0, 0.0); - -#if !defined(MODE_RENDER_DEPTH) && !defined(MODE_UNSHADED) - - if (scene_data.roughness_limiter_enabled) { - float limit = texelFetch(sampler2D(roughness_buffer, material_samplers[SAMPLER_NEAREST_CLAMP]), ivec2(gl_FragCoord.xy), 0).r; - roughness = max(roughness, limit); - } - - if (scene_data.use_reflection_cubemap) { - - vec3 ref_vec = reflect(-view, normal); - ref_vec = scene_data.radiance_inverse_xform * ref_vec; -#ifdef USE_RADIANCE_CUBEMAP_ARRAY - - float lod, blend; - blend = modf(roughness * MAX_ROUGHNESS_LOD, lod); - specular_light = texture(samplerCubeArray(radiance_cubemap, material_samplers[SAMPLER_LINEAR_WITH_MIPMAPS_CLAMP]), vec4(ref_vec, lod)).rgb; - specular_light = mix(specular_light, texture(samplerCubeArray(radiance_cubemap, material_samplers[SAMPLER_LINEAR_WITH_MIPMAPS_CLAMP]), vec4(ref_vec, lod + 1)).rgb, blend); - -#else - specular_light = textureLod(samplerCube(radiance_cubemap, material_samplers[SAMPLER_LINEAR_WITH_MIPMAPS_CLAMP]), ref_vec, roughness * MAX_ROUGHNESS_LOD).rgb; - -#endif //USE_RADIANCE_CUBEMAP_ARRAY - specular_light *= scene_data.ambient_light_color_energy.a; - } - -#ifndef USE_LIGHTMAP - //lightmap overrides everything - if (scene_data.use_ambient_light) { - - ambient_light = scene_data.ambient_light_color_energy.rgb; - - if (scene_data.use_ambient_cubemap) { - vec3 ambient_dir = scene_data.radiance_inverse_xform * normal; -#ifdef USE_RADIANCE_CUBEMAP_ARRAY - vec3 cubemap_ambient = texture(samplerCubeArray(radiance_cubemap, material_samplers[SAMPLER_LINEAR_WITH_MIPMAPS_CLAMP]), vec4(ambient_dir, MAX_ROUGHNESS_LOD)).rgb; -#else - vec3 cubemap_ambient = textureLod(samplerCube(radiance_cubemap, material_samplers[SAMPLER_LINEAR_WITH_MIPMAPS_CLAMP]), ambient_dir, MAX_ROUGHNESS_LOD).rgb; -#endif //USE_RADIANCE_CUBEMAP_ARRAY - - ambient_light = mix(ambient_light, cubemap_ambient * scene_data.ambient_light_color_energy.a, scene_data.ambient_color_sky_mix); - } - } -#endif // USE_LIGHTMAP - -#endif //!defined(MODE_RENDER_DEPTH) && !defined(MODE_UNSHADED) - - //radiance - - float specular_blob_intensity = 1.0; - -#if defined(SPECULAR_TOON) - specular_blob_intensity *= specular * 2.0; -#endif - -#if !defined(MODE_RENDER_DEPTH) && !defined(MODE_UNSHADED) - //gi probes - - //lightmap - - //lightmap capture - -#ifdef USE_VOXEL_CONE_TRACING - { // process giprobes - uint index1 = instances.data[instance_index].gi_offset & 0xFFFF; - if (index1 != 0xFFFF) { - vec3 ref_vec = normalize(reflect(normalize(vertex), normal)); - //find arbitrary tangent and bitangent, then build a matrix - vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0); - vec3 tangent = normalize(cross(v0, normal)); - vec3 bitangent = normalize(cross(tangent, normal)); - mat3 normal_mat = mat3(tangent, bitangent, normal); - - vec4 amb_accum = vec4(0.0); - vec4 spec_accum = vec4(0.0); - gi_probe_compute(index1, vertex, normal, ref_vec, normal_mat, roughness * roughness, ambient_light, specular_light, spec_accum, amb_accum); - - uint index2 = instances.data[instance_index].gi_offset >> 16; - - if (index2 != 0xFFFF) { - gi_probe_compute(index2, vertex, normal, ref_vec, normal_mat, roughness * roughness, ambient_light, specular_light, spec_accum, amb_accum); - } - - if (amb_accum.a > 0.0) { - amb_accum.rgb /= amb_accum.a; - } - - if (spec_accum.a > 0.0) { - spec_accum.rgb /= spec_accum.a; - } - - specular_light = spec_accum.rgb; - ambient_light = amb_accum.rgb; - } - } -#endif - - uvec4 cluster_cell = texture(usampler3D(cluster_texture, material_samplers[SAMPLER_NEAREST_CLAMP]), vec3(screen_uv, (abs(vertex.z) - scene_data.z_near) / (scene_data.z_far - scene_data.z_near))); - - { // process reflections - - vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0); - vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0); - - uint reflection_probe_count = cluster_cell.z >> CLUSTER_COUNTER_SHIFT; - uint reflection_probe_pointer = cluster_cell.z & CLUSTER_POINTER_MASK; - - for (uint i = 0; i < reflection_probe_count; i++) { - - uint ref_index = cluster_data.indices[reflection_probe_pointer + i]; - reflection_process(ref_index, vertex, normal, roughness, ambient_light, specular_light, ambient_accum, reflection_accum); - } - - if (reflection_accum.a > 0.0) { - specular_light = reflection_accum.rgb / reflection_accum.a; - } - -#if !defined(USE_LIGHTMAP) - if (ambient_accum.a > 0.0) { - ambient_light = ambient_accum.rgb / ambient_accum.a; - } -#endif - } - - { - -#if defined(DIFFUSE_TOON) - //simplify for toon, as - specular_light *= specular * metallic * albedo * 2.0; -#else - - // scales the specular reflections, needs to be be computed before lighting happens, - // but after environment, GI, and reflection probes are added - // Environment brdf approximation (Lazarov 2013) - // see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile - const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022); - const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04); - vec4 r = roughness * c0 + c1; - float ndotv = clamp(dot(normal, view), 0.0, 1.0); - float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y; - vec2 env = vec2(-1.04, 1.04) * a004 + r.zw; - - vec3 f0 = F0(metallic, specular, albedo); - specular_light *= env.x * f0 + env.y; -#endif - } - - { //directional light - - for (uint i = 0; i < scene_data.directional_light_count; i++) { - - if (!bool(directional_lights.data[i].mask & instances.data[instance_index].layer_mask)) { - continue; //not masked - } - - vec3 light_attenuation = vec3(1.0); - - if (directional_lights.data[i].shadow_enabled) { - float depth_z = -vertex.z; - - vec4 pssm_coord; - - if (depth_z < directional_lights.data[i].shadow_split_offsets.x) { - pssm_coord = (directional_lights.data[i].shadow_matrix1 * vec4(vertex, 1.0)); - } else if (depth_z < directional_lights.data[i].shadow_split_offsets.y) { - pssm_coord = (directional_lights.data[i].shadow_matrix2 * vec4(vertex, 1.0)); - } else if (depth_z < directional_lights.data[i].shadow_split_offsets.z) { - pssm_coord = (directional_lights.data[i].shadow_matrix3 * vec4(vertex, 1.0)); - } else { - pssm_coord = (directional_lights.data[i].shadow_matrix4 * vec4(vertex, 1.0)); - } - - pssm_coord /= pssm_coord.w; - - float shadow = sample_shadow(directional_shadow_atlas, scene_data.directional_shadow_pixel_size, pssm_coord); - - if (directional_lights.data[i].blend_splits) { - - float pssm_blend; - - if (depth_z < directional_lights.data[i].shadow_split_offsets.x) { - pssm_coord = (directional_lights.data[i].shadow_matrix2 * vec4(vertex, 1.0)); - pssm_blend = smoothstep(0.0, directional_lights.data[i].shadow_split_offsets.x, depth_z); - } else if (depth_z < directional_lights.data[i].shadow_split_offsets.y) { - pssm_coord = (directional_lights.data[i].shadow_matrix3 * vec4(vertex, 1.0)); - pssm_blend = smoothstep(directional_lights.data[i].shadow_split_offsets.x, directional_lights.data[i].shadow_split_offsets.y, depth_z); - } else if (depth_z < directional_lights.data[i].shadow_split_offsets.z) { - pssm_coord = (directional_lights.data[i].shadow_matrix4 * vec4(vertex, 1.0)); - pssm_blend = smoothstep(directional_lights.data[i].shadow_split_offsets.y, directional_lights.data[i].shadow_split_offsets.z, depth_z); - } else { - pssm_blend = 0.0; //if no blend, same coord will be used (divide by z will result in same value, and already cached) - } - - pssm_coord /= pssm_coord.w; - - float shadow2 = sample_shadow(directional_shadow_atlas, scene_data.directional_shadow_pixel_size, pssm_coord); - shadow = mix(shadow, shadow2, pssm_blend); - } - - shadow = mix(shadow, 1.0, smoothstep(directional_lights.data[i].fade_from, directional_lights.data[i].fade_to, vertex.z)); //done with negative values for performance - - light_attenuation = mix(directional_lights.data[i].shadow_color, vec3(1.0), shadow); - } - - light_compute(normal, directional_lights.data[i].direction, normalize(view), directional_lights.data[i].color * directional_lights.data[i].energy, light_attenuation, albedo, roughness, metallic, specular, directional_lights.data[i].specular * specular_blob_intensity, -#ifdef LIGHT_TRANSMISSION_USED - transmission, -#endif -#ifdef LIGHT_RIM_USED - rim, rim_tint, -#endif -#ifdef LIGHT_CLEARCOAT_USED - clearcoat, clearcoat_gloss, -#endif -#ifdef LIGHT_ANISOTROPY_USED - binormal, tangent, anisotropy, -#endif -#ifdef USE_SHADOW_TO_OPACITY - alpha, -#endif - diffuse_light, - specular_light); - } - } - - { //omni lights - - uint omni_light_count = cluster_cell.x >> CLUSTER_COUNTER_SHIFT; - uint omni_light_pointer = cluster_cell.x & CLUSTER_POINTER_MASK; - - for (uint i = 0; i < omni_light_count; i++) { - - uint light_index = cluster_data.indices[omni_light_pointer + i]; - - if (!bool(lights.data[light_index].mask & instances.data[instance_index].layer_mask)) { - continue; //not masked - } - - light_process_omni(light_index, vertex, view, normal, albedo, roughness, metallic, specular, specular_blob_intensity, -#ifdef LIGHT_TRANSMISSION_USED - transmission, -#endif -#ifdef LIGHT_RIM_USED - rim, - rim_tint, -#endif -#ifdef LIGHT_CLEARCOAT_USED - clearcoat, clearcoat_gloss, -#endif -#ifdef LIGHT_ANISOTROPY_USED - tangent, binormal, anisotropy, -#endif -#ifdef USE_SHADOW_TO_OPACITY - alpha, -#endif - diffuse_light, specular_light); - } - } - - { //spot lights - uint spot_light_count = cluster_cell.y >> CLUSTER_COUNTER_SHIFT; - uint spot_light_pointer = cluster_cell.y & CLUSTER_POINTER_MASK; - - for (uint i = 0; i < spot_light_count; i++) { - - uint light_index = cluster_data.indices[spot_light_pointer + i]; - - if (!bool(lights.data[light_index].mask & instances.data[instance_index].layer_mask)) { - continue; //not masked - } - - light_process_spot(light_index, vertex, view, normal, albedo, roughness, metallic, specular, specular_blob_intensity, -#ifdef LIGHT_TRANSMISSION_USED - transmission, -#endif -#ifdef LIGHT_RIM_USED - rim, - rim_tint, -#endif -#ifdef LIGHT_CLEARCOAT_USED - clearcoat, clearcoat_gloss, -#endif -#ifdef LIGHT_ANISOTROPY_USED - tangent, binormal, anisotropy, -#endif -#ifdef USE_SHADOW_TO_OPACITY - alpha, -#endif - diffuse_light, specular_light); - } - } - -#ifdef USE_SHADOW_TO_OPACITY - alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0)); - -#if defined(ALPHA_SCISSOR_USED) - if (alpha < alpha_scissor) { - discard; - } -#endif // ALPHA_SCISSOR_USED - -#ifdef USE_OPAQUE_PREPASS - - if (alpha < opaque_prepass_threshold) { - discard; - } - -#endif // USE_OPAQUE_PREPASS - -#endif // USE_SHADOW_TO_OPACITY - -#endif //!defined(MODE_RENDER_DEPTH) && !defined(MODE_UNSHADED) - -#ifdef MODE_RENDER_DEPTH - -#ifdef MODE_RENDER_MATERIAL - - albedo_output_buffer.rgb = albedo; - albedo_output_buffer.a = alpha; - - normal_output_buffer.rgb = normal * 0.5 + 0.5; - normal_output_buffer.a = 0.0; - depth_output_buffer.r = -vertex.z; - -#if defined(AO_USED) - orm_output_buffer.r = ao; -#else - orm_output_buffer.r = 0.0; -#endif - orm_output_buffer.g = roughness; - orm_output_buffer.b = metallic; - orm_output_buffer.a = sss_strength; - - emission_output_buffer.rgb = emission; - emission_output_buffer.a = 0.0; -#endif - -#ifdef MODE_RENDER_NORMAL - normal_output_buffer = vec4(normal * 0.5 + 0.5, 0.0); -#ifdef MODE_RENDER_ROUGHNESS - roughness_output_buffer = roughness; -#endif //MODE_RENDER_ROUGHNESS -#endif //MODE_RENDER_NORMAL - -//nothing happens, so a tree-ssa optimizer will result in no fragment shader :) -#else - - specular_light *= scene_data.reflection_multiplier; - ambient_light *= albedo; //ambient must be multiplied by albedo at the end - -//ambient occlusion -#if defined(AO_USED) - - if (scene_data.ssao_enabled && scene_data.ssao_ao_affect > 0.0) { - float ssao = texture(sampler2D(ao_buffer, material_samplers[SAMPLER_LINEAR_CLAMP]), screen_uv).r; - ao = mix(ao, min(ao, ssao), scene_data.ssao_ao_affect); - ao_light_affect = mix(ao_light_affect, max(ao_light_affect, scene_data.ssao_light_affect), scene_data.ssao_ao_affect); - } - - ambient_light = mix(scene_data.ao_color.rgb, ambient_light, ao); - ao_light_affect = mix(1.0, ao, ao_light_affect); - specular_light = mix(scene_data.ao_color.rgb, specular_light, ao_light_affect); - diffuse_light = mix(scene_data.ao_color.rgb, diffuse_light, ao_light_affect); - -#else - - if (scene_data.ssao_enabled) { - float ao = texture(sampler2D(ao_buffer, material_samplers[SAMPLER_LINEAR_CLAMP]), screen_uv).r; - ambient_light = mix(scene_data.ao_color.rgb, ambient_light, ao); - float ao_light_affect = mix(1.0, ao, scene_data.ssao_light_affect); - specular_light = mix(scene_data.ao_color.rgb, specular_light, ao_light_affect); - diffuse_light = mix(scene_data.ao_color.rgb, diffuse_light, ao_light_affect); - } - -#endif // AO_USED - - // base color remapping - diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point - ambient_light *= 1.0 - metallic; - - //fog - -#ifdef MODE_MULTIPLE_RENDER_TARGETS - -#ifdef MODE_UNSHADED - diffuse_buffer = vec4(albedo.rgb, 0.0); - specular_buffer = vec4(0.0); - -#else - - diffuse_buffer = vec4(emission + diffuse_light + ambient_light, sss_strength); - specular_buffer = vec4(specular_light, metallic); - -#endif - -#else //MODE_MULTIPLE_RENDER_TARGETS - -#ifdef MODE_UNSHADED - frag_color = vec4(albedo, alpha); -#else - frag_color = vec4(emission + ambient_light + diffuse_light + specular_light, alpha); - //frag_color = vec4(1.0); - -#endif //USE_NO_SHADING - -#endif //MODE_MULTIPLE_RENDER_TARGETS - -#endif //MODE_RENDER_DEPTH -} diff --git a/servers/visual/rasterizer_rd/shaders/scene_high_end_inc.glsl b/servers/visual/rasterizer_rd/shaders/scene_high_end_inc.glsl deleted file mode 100644 index baef1e060f..0000000000 --- a/servers/visual/rasterizer_rd/shaders/scene_high_end_inc.glsl +++ /dev/null @@ -1,266 +0,0 @@ -#define M_PI 3.14159265359 -#define ROUGHNESS_MAX_LOD 5 - -layout(push_constant, binding = 0, std430) uniform DrawCall { - uint instance_index; - uint pad[3]; //16 bits minimum size -} -draw_call; - -/* Set 0 Scene data that never changes, ever */ - -#define SAMPLER_NEAREST_CLAMP 0 -#define SAMPLER_LINEAR_CLAMP 1 -#define SAMPLER_NEAREST_WITH_MIPMAPS_CLAMP 2 -#define SAMPLER_LINEAR_WITH_MIPMAPS_CLAMP 3 -#define SAMPLER_NEAREST_WITH_MIPMAPS_ANISOTROPIC_CLAMP 4 -#define SAMPLER_LINEAR_WITH_MIPMAPS_ANISOTROPIC_CLAMP 5 -#define SAMPLER_NEAREST_REPEAT 6 -#define SAMPLER_LINEAR_REPEAT 7 -#define SAMPLER_NEAREST_WITH_MIPMAPS_REPEAT 8 -#define SAMPLER_LINEAR_WITH_MIPMAPS_REPEAT 9 -#define SAMPLER_NEAREST_WITH_MIPMAPS_ANISOTROPIC_REPEAT 10 -#define SAMPLER_LINEAR_WITH_MIPMAPS_ANISOTROPIC_REPEAT 11 - -layout(set = 0, binding = 1) uniform sampler material_samplers[12]; - -layout(set = 0, binding = 2) uniform sampler shadow_sampler; - -layout(set = 0, binding = 3, std140) uniform SceneData { - - mat4 projection_matrix; - mat4 inv_projection_matrix; - - mat4 camera_matrix; - mat4 inv_camera_matrix; - - vec2 viewport_size; - vec2 screen_pixel_size; - - //used for shadow mapping only - float z_offset; - float z_slope_scale; - - float time; - float reflection_multiplier; // one normally, zero when rendering reflections - - vec4 ambient_light_color_energy; - - float ambient_color_sky_mix; - bool use_ambient_light; - bool use_ambient_cubemap; - bool use_reflection_cubemap; - - mat3 radiance_inverse_xform; - - vec2 shadow_atlas_pixel_size; - vec2 directional_shadow_pixel_size; - - uint directional_light_count; - float dual_paraboloid_side; - float z_far; - float z_near; - - bool ssao_enabled; - float ssao_light_affect; - float ssao_ao_affect; - bool roughness_limiter_enabled; - - vec4 ao_color; - -#if 0 - vec4 ambient_light_color; - vec4 bg_color; - - vec4 fog_color_enabled; - vec4 fog_sun_color_amount; - - float ambient_energy; - float bg_energy; -#endif - -#if 0 - vec2 shadow_atlas_pixel_size; - vec2 directional_shadow_pixel_size; - - float z_far; - - float subsurface_scatter_width; - float ambient_occlusion_affect_light; - float ambient_occlusion_affect_ao_channel; - float opaque_prepass_threshold; - - bool fog_depth_enabled; - float fog_depth_begin; - float fog_depth_end; - float fog_density; - float fog_depth_curve; - bool fog_transmit_enabled; - float fog_transmit_curve; - bool fog_height_enabled; - float fog_height_min; - float fog_height_max; - float fog_height_curve; -#endif -} -scene_data; - -#define INSTANCE_FLAGS_FORWARD_MASK 0x7 -#define INSTANCE_FLAGS_FORWARD_OMNI_LIGHT_SHIFT 3 -#define INSTANCE_FLAGS_FORWARD_SPOT_LIGHT_SHIFT 6 -#define INSTANCE_FLAGS_FORWARD_DECAL_SHIFT 9 - -#define INSTANCE_FLAGS_MULTIMESH (1 << 12) -#define INSTANCE_FLAGS_MULTIMESH_FORMAT_2D (1 << 13) -#define INSTANCE_FLAGS_MULTIMESH_HAS_COLOR (1 << 14) -#define INSTANCE_FLAGS_MULTIMESH_HAS_CUSTOM_DATA (1 << 15) -#define INSTANCE_FLAGS_MULTIMESH_STRIDE_SHIFT 16 -//3 bits of stride -#define INSTANCE_FLAGS_MULTIMESH_STRIDE_MASK 0x7 - -#define INSTANCE_FLAGS_SKELETON (1 << 19) - -struct InstanceData { - mat4 transform; - mat4 normal_transform; - uint flags; - uint instance_ofs; //instance_offset in instancing/skeleton buffer - uint gi_offset; //GI information when using lightmapping (VCT or lightmap) - uint layer_mask; -}; - -layout(set = 0, binding = 4, std430) buffer Instances { - InstanceData data[]; -} -instances; - -struct LightData { //this structure needs to be 128 bits - vec3 position; - float inv_radius; - vec3 direction; - uint attenuation_energy; //attenuation - uint color_specular; //rgb color, a specular (8 bit unorm) - uint cone_attenuation_angle; // attenuation and angle, (16bit float) - uint mask; - uint shadow_color_enabled; //shadow rgb color, a>0.5 enabled (8bit unorm) - vec4 atlas_rect; //used for shadow atlas uv on omni, and for projection atlas on spot - mat4 shadow_matrix; -}; - -layout(set = 0, binding = 5, std140) uniform Lights { - LightData data[MAX_LIGHT_DATA_STRUCTS]; -} -lights; - -struct ReflectionData { - - vec3 box_extents; - float index; - vec3 box_offset; - uint mask; - vec4 params; // intensity, 0, interior , boxproject - vec4 ambient; // ambient color, energy - mat4 local_matrix; // up to here for spot and omni, rest is for directional - // notes: for ambientblend, use distance to edge to blend between already existing global environment -}; - -layout(set = 0, binding = 6, std140) uniform ReflectionProbeData { - ReflectionData data[MAX_REFLECTION_DATA_STRUCTS]; -} -reflections; - -struct DirectionalLightData { - vec3 direction; - float energy; - vec3 color; - float specular; - vec3 shadow_color; - uint mask; - bool blend_splits; - bool shadow_enabled; - float fade_from; - float fade_to; - vec4 shadow_split_offsets; - mat4 shadow_matrix1; - mat4 shadow_matrix2; - mat4 shadow_matrix3; - mat4 shadow_matrix4; -}; - -layout(set = 0, binding = 7, std140) uniform DirectionalLights { - DirectionalLightData data[MAX_DIRECTIONAL_LIGHT_DATA_STRUCTS]; -} -directional_lights; - -struct GIProbeData { - mat4 xform; - vec3 bounds; - float dynamic_range; - - float bias; - float normal_bias; - bool blend_ambient; - uint texture_slot; - - float anisotropy_strength; - float ambient_occlusion; - float ambient_occlusion_size; - uint pad2; -}; - -layout(set = 0, binding = 8, std140) uniform GIProbes { - GIProbeData data[MAX_GI_PROBES]; -} -gi_probes; - -layout(set = 0, binding = 9) uniform texture3D gi_probe_textures[MAX_GI_PROBE_TEXTURES]; - -#define CLUSTER_COUNTER_SHIFT 20 -#define CLUSTER_POINTER_MASK ((1 << CLUSTER_COUNTER_SHIFT) - 1) -#define CLUSTER_COUNTER_MASK 0xfff - -layout(set = 0, binding = 10) uniform utexture3D cluster_texture; - -layout(set = 0, binding = 11, std430) buffer ClusterData { - uint indices[]; -} -cluster_data; - -layout(set = 0, binding = 12) uniform texture2D directional_shadow_atlas; - -// decal atlas - -/* Set 1, Radiance */ - -#ifdef USE_RADIANCE_CUBEMAP_ARRAY - -layout(set = 1, binding = 0) uniform textureCubeArray radiance_cubemap; - -#else - -layout(set = 1, binding = 0) uniform textureCube radiance_cubemap; - -#endif - -/* Set 2, Reflection and Shadow Atlases (view dependant) */ - -layout(set = 2, binding = 0) uniform textureCubeArray reflection_atlas; - -layout(set = 2, binding = 1) uniform texture2D shadow_atlas; - -/* Set 1, Render Buffers */ - -layout(set = 3, binding = 0) uniform texture2D depth_buffer; -layout(set = 3, binding = 1) uniform texture2D color_buffer; -layout(set = 3, binding = 2) uniform texture2D normal_buffer; -layout(set = 3, binding = 3) uniform texture2D roughness_buffer; -layout(set = 3, binding = 4) uniform texture2D ao_buffer; - -/* Set 4 Skeleton & Instancing (Multimesh) */ - -layout(set = 4, binding = 0, std430) buffer Transforms { - vec4 data[]; -} -transforms; - -/* Set 5 User Material */ diff --git a/servers/visual/rasterizer_rd/shaders/sky.glsl b/servers/visual/rasterizer_rd/shaders/sky.glsl deleted file mode 100644 index 28fd2883c3..0000000000 --- a/servers/visual/rasterizer_rd/shaders/sky.glsl +++ /dev/null @@ -1,79 +0,0 @@ -/* clang-format off */ -[vertex] - -#version 450 - -VERSION_DEFINES - -layout(location = 0) out vec2 uv_interp; -/* clang-format on */ - -layout(push_constant, binding = 1, std430) uniform Params { - mat3 orientation; - vec4 proj; - float multiplier; - float alpha; - float depth; - float pad; -} -params; - -void main() { - - vec2 base_arr[4] = vec2[](vec2(-1.0, -1.0), vec2(-1.0, 1.0), vec2(1.0, 1.0), vec2(1.0, -1.0)); - uv_interp = base_arr[gl_VertexIndex]; - gl_Position = vec4(uv_interp, params.depth, 1.0); -} - -/* clang-format off */ -[fragment] - -#version 450 - -VERSION_DEFINES - -#define M_PI 3.14159265359 - -layout(location = 0) in vec2 uv_interp; -/* clang-format on */ - -layout(set = 0, binding = 0) uniform sampler2D source_panorama; - -layout(push_constant, binding = 1, std430) uniform Params { - mat3 orientation; - vec4 proj; - float multiplier; - float alpha; - float depth; - float pad; -} -params; - -vec4 texturePanorama(sampler2D pano, vec3 normal) { - - vec2 st = vec2( - atan(normal.x, normal.z), - acos(normal.y)); - - if (st.x < 0.0) - st.x += M_PI * 2.0; - - st /= vec2(M_PI * 2.0, M_PI); - - return texture(pano, st); -} - -layout(location = 0) out vec4 frag_color; - -void main() { - - vec3 cube_normal; - cube_normal.z = -1000000.0; - cube_normal.x = (cube_normal.z * (-uv_interp.x - params.proj.x)) / params.proj.y; - cube_normal.y = -(cube_normal.z * (-uv_interp.y - params.proj.z)) / params.proj.w; - cube_normal = mat3(params.orientation) * cube_normal; - cube_normal.z = -cube_normal.z; - - frag_color.rgb = texturePanorama(source_panorama, normalize(cube_normal.xyz)).rgb; - frag_color.a = params.alpha; -} diff --git a/servers/visual/rasterizer_rd/shaders/ssao.glsl b/servers/visual/rasterizer_rd/shaders/ssao.glsl deleted file mode 100644 index c9d7134610..0000000000 --- a/servers/visual/rasterizer_rd/shaders/ssao.glsl +++ /dev/null @@ -1,252 +0,0 @@ -/* clang-format off */ -[compute] - -#version 450 - -VERSION_DEFINES - -layout(local_size_x = 8, local_size_y = 8, local_size_z = 1) in; -/* clang-format on */ - -#define TWO_PI 6.283185307179586476925286766559 - -#ifdef SSAO_QUALITY_HIGH -#define NUM_SAMPLES (20) -#endif - -#ifdef SSAO_QUALITY_ULTRA -#define NUM_SAMPLES (48) -#endif - -#ifdef SSAO_QUALITY_LOW -#define NUM_SAMPLES (8) -#endif - -#if !defined(SSAO_QUALITY_LOW) && !defined(SSAO_QUALITY_HIGH) && !defined(SSAO_QUALITY_ULTRA) -#define NUM_SAMPLES (12) -#endif - -// If using depth mip levels, the log of the maximum pixel offset before we need to switch to a lower -// miplevel to maintain reasonable spatial locality in the cache -// If this number is too small (< 3), too many taps will land in the same pixel, and we'll get bad variance that manifests as flashing. -// If it is too high (> 5), we'll get bad performance because we're not using the MIP levels effectively -#define LOG_MAX_OFFSET (3) - -// This must be less than or equal to the MAX_MIP_LEVEL defined in SSAO.cpp -#define MAX_MIP_LEVEL (4) - -// This is the number of turns around the circle that the spiral pattern makes. This should be prime to prevent -// taps from lining up. This particular choice was tuned for NUM_SAMPLES == 9 - -const int ROTATIONS[] = int[]( - 1, 1, 2, 3, 2, 5, 2, 3, 2, - 3, 3, 5, 5, 3, 4, 7, 5, 5, 7, - 9, 8, 5, 5, 7, 7, 7, 8, 5, 8, - 11, 12, 7, 10, 13, 8, 11, 8, 7, 14, - 11, 11, 13, 12, 13, 19, 17, 13, 11, 18, - 19, 11, 11, 14, 17, 21, 15, 16, 17, 18, - 13, 17, 11, 17, 19, 18, 25, 18, 19, 19, - 29, 21, 19, 27, 31, 29, 21, 18, 17, 29, - 31, 31, 23, 18, 25, 26, 25, 23, 19, 34, - 19, 27, 21, 25, 39, 29, 17, 21, 27); -/* clang-format on */ - -//#define NUM_SPIRAL_TURNS (7) -const int NUM_SPIRAL_TURNS = ROTATIONS[NUM_SAMPLES - 1]; - -layout(set = 0, binding = 0) uniform sampler2D source_depth_mipmaps; -layout(r8, set = 1, binding = 0) uniform restrict writeonly image2D dest_image; - -#ifndef USE_HALF_SIZE -layout(set = 2, binding = 0) uniform sampler2D source_depth; -#endif - -layout(set = 3, binding = 0) uniform sampler2D source_normal; - -layout(push_constant, binding = 1, std430) uniform Params { - ivec2 screen_size; - float z_far; - float z_near; - - bool orthogonal; - float intensity_div_r6; - float radius; - float bias; - - vec4 proj_info; - vec2 pixel_size; - float proj_scale; - uint pad; -} -params; - -vec3 reconstructCSPosition(vec2 S, float z) { - if (params.orthogonal) { - return vec3((S.xy * params.proj_info.xy + params.proj_info.zw), z); - } else { - return vec3((S.xy * params.proj_info.xy + params.proj_info.zw) * z, z); - } -} - -vec3 getPosition(ivec2 ssP) { - vec3 P; -#ifdef USE_HALF_SIZE - P.z = texelFetch(source_depth_mipmaps, ssP, 0).r; - P.z = -P.z; -#else - P.z = texelFetch(source_depth, ssP, 0).r; - - P.z = P.z * 2.0 - 1.0; - if (params.orthogonal) { - P.z = ((P.z + (params.z_far + params.z_near) / (params.z_far - params.z_near)) * (params.z_far - params.z_near)) / 2.0; - } else { - P.z = 2.0 * params.z_near * params.z_far / (params.z_far + params.z_near - P.z * (params.z_far - params.z_near)); - } - P.z = -P.z; -#endif - // Offset to pixel center - P = reconstructCSPosition(vec2(ssP) + vec2(0.5), P.z); - return P; -} - -/** Returns a unit vector and a screen-space radius for the tap on a unit disk (the caller should scale by the actual disk radius) */ -vec2 tapLocation(int sampleNumber, float spinAngle, out float ssR) { - // Radius relative to ssR - float alpha = (float(sampleNumber) + 0.5) * (1.0 / float(NUM_SAMPLES)); - float angle = alpha * (float(NUM_SPIRAL_TURNS) * 6.28) + spinAngle; - - ssR = alpha; - return vec2(cos(angle), sin(angle)); -} - -/** Read the camera-space position of the point at screen-space pixel ssP + unitOffset * ssR. Assumes length(unitOffset) == 1 */ -vec3 getOffsetPosition(ivec2 ssP, float ssR) { - // Derivation: - // mipLevel = floor(log(ssR / MAX_OFFSET)); - - int mipLevel = clamp(int(floor(log2(ssR))) - LOG_MAX_OFFSET, 0, MAX_MIP_LEVEL); - - vec3 P; - - // We need to divide by 2^mipLevel to read the appropriately scaled coordinate from a MIP-map. - // Manually clamp to the texture size because texelFetch bypasses the texture unit - ivec2 mipP = clamp(ssP >> mipLevel, ivec2(0), (params.screen_size >> mipLevel) - ivec2(1)); - -#ifdef USE_HALF_SIZE - P.z = texelFetch(source_depth_mipmaps, mipP, mipLevel).r; - P.z = -P.z; -#else - if (mipLevel < 1) { - //read from depth buffer - P.z = texelFetch(source_depth, mipP, 0).r; - P.z = P.z * 2.0 - 1.0; - if (params.orthogonal) { - P.z = ((P.z + (params.z_far + params.z_near) / (params.z_far - params.z_near)) * (params.z_far - params.z_near)) / 2.0; - } else { - P.z = 2.0 * params.z_near * params.z_far / (params.z_far + params.z_near - P.z * (params.z_far - params.z_near)); - } - P.z = -P.z; - - } else { - //read from mipmaps - P.z = texelFetch(source_depth_mipmaps, mipP, mipLevel - 1).r; - P.z = -P.z; - } -#endif - - // Offset to pixel center - P = reconstructCSPosition(vec2(ssP) + vec2(0.5), P.z); - - return P; -} - -/** Compute the occlusion due to sample with index \a i about the pixel at \a ssC that corresponds - to camera-space point \a C with unit normal \a n_C, using maximum screen-space sampling radius \a ssDiskRadius - - Note that units of H() in the HPG12 paper are meters, not - unitless. The whole falloff/sampling function is therefore - unitless. In this implementation, we factor out (9 / radius). - - Four versions of the falloff function are implemented below -*/ -float sampleAO(in ivec2 ssC, in vec3 C, in vec3 n_C, in float ssDiskRadius, in float p_radius, in int tapIndex, in float randomPatternRotationAngle) { - // Offset on the unit disk, spun for this pixel - float ssR; - vec2 unitOffset = tapLocation(tapIndex, randomPatternRotationAngle, ssR); - ssR *= ssDiskRadius; - - ivec2 ssP = ivec2(ssR * unitOffset) + ssC; - - if (any(lessThan(ssP, ivec2(0))) || any(greaterThanEqual(ssP, params.screen_size))) { - return 0.0; - } - - // The occluding point in camera space - vec3 Q = getOffsetPosition(ssP, ssR); - - vec3 v = Q - C; - - float vv = dot(v, v); - float vn = dot(v, n_C); - - const float epsilon = 0.01; - float radius2 = p_radius * p_radius; - - // A: From the HPG12 paper - // Note large epsilon to avoid overdarkening within cracks - //return float(vv < radius2) * max((vn - bias) / (epsilon + vv), 0.0) * radius2 * 0.6; - - // B: Smoother transition to zero (lowers contrast, smoothing out corners). [Recommended] - float f = max(radius2 - vv, 0.0); - return f * f * f * max((vn - params.bias) / (epsilon + vv), 0.0); - - // C: Medium contrast (which looks better at high radii), no division. Note that the - // contribution still falls off with radius^2, but we've adjusted the rate in a way that is - // more computationally efficient and happens to be aesthetically pleasing. - // return 4.0 * max(1.0 - vv * invRadius2, 0.0) * max(vn - bias, 0.0); - - // D: Low contrast, no division operation - // return 2.0 * float(vv < radius * radius) * max(vn - bias, 0.0); -} - -void main() { - // Pixel being shaded - ivec2 ssC = ivec2(gl_GlobalInvocationID.xy); - if (any(greaterThan(ssC, params.screen_size))) { //too large, do nothing - return; - } - - // World space point being shaded - vec3 C = getPosition(ssC); - -#ifdef USE_HALF_SIZE - vec3 n_C = texelFetch(source_normal, ssC << 1, 0).xyz * 2.0 - 1.0; -#else - vec3 n_C = texelFetch(source_normal, ssC, 0).xyz * 2.0 - 1.0; -#endif - n_C = normalize(n_C); - n_C.y = -n_C.y; //because this code reads flipped - - // Hash function used in the HPG12 AlchemyAO paper - float randomPatternRotationAngle = mod(float((3 * ssC.x ^ ssC.y + ssC.x * ssC.y) * 10), TWO_PI); - - // Reconstruct normals from positions. These will lead to 1-pixel black lines - // at depth discontinuities, however the blur will wipe those out so they are not visible - // in the final image. - - // Choose the screen-space sample radius - // proportional to the projected area of the sphere - - float ssDiskRadius = -params.proj_scale * params.radius; - if (!params.orthogonal) { - ssDiskRadius = -params.proj_scale * params.radius / C.z; - } - float sum = 0.0; - for (int i = 0; i < NUM_SAMPLES; ++i) { - sum += sampleAO(ssC, C, n_C, ssDiskRadius, params.radius, i, randomPatternRotationAngle); - } - - float A = max(0.0, 1.0 - sum * params.intensity_div_r6 * (5.0 / float(NUM_SAMPLES))); - - imageStore(dest_image, ssC, vec4(A)); -} diff --git a/servers/visual/rasterizer_rd/shaders/ssao_blur.glsl b/servers/visual/rasterizer_rd/shaders/ssao_blur.glsl deleted file mode 100644 index e90c788e08..0000000000 --- a/servers/visual/rasterizer_rd/shaders/ssao_blur.glsl +++ /dev/null @@ -1,157 +0,0 @@ -/* clang-format off */ -[compute] - -#version 450 - -VERSION_DEFINES - -layout(local_size_x = 8, local_size_y = 8, local_size_z = 1) in; -/* clang-format on */ - -layout(set = 0, binding = 0) uniform sampler2D source_ssao; -layout(set = 1, binding = 0) uniform sampler2D source_depth; -#ifdef MODE_UPSCALE -layout(set = 2, binding = 0) uniform sampler2D source_depth_mipmaps; -#endif - -layout(r8, set = 3, binding = 0) uniform restrict writeonly image2D dest_image; - -////////////////////////////////////////////////////////////////////////////////////////////// -// Tunable Parameters: - -layout(push_constant, binding = 1, std430) uniform Params { - float edge_sharpness; /** Increase to make depth edges crisper. Decrease to reduce flicker. */ - int filter_scale; - float z_far; - float z_near; - bool orthogonal; - uint pad0; - uint pad1; - uint pad2; - ivec2 axis; /** (1, 0) or (0, 1) */ - ivec2 screen_size; -} -params; - -/** Filter radius in pixels. This will be multiplied by SCALE. */ -#define R (4) - -////////////////////////////////////////////////////////////////////////////////////////////// - -// Gaussian coefficients -const float gaussian[R + 1] = - //float[](0.356642, 0.239400, 0.072410, 0.009869); - //float[](0.398943, 0.241971, 0.053991, 0.004432, 0.000134); // stddev = 1.0 - float[](0.153170, 0.144893, 0.122649, 0.092902, 0.062970); // stddev = 2.0 -//float[](0.111220, 0.107798, 0.098151, 0.083953, 0.067458, 0.050920, 0.036108); // stddev = 3.0 - -void main() { - - // Pixel being shaded - ivec2 ssC = ivec2(gl_GlobalInvocationID.xy); - if (any(greaterThan(ssC, params.screen_size))) { //too large, do nothing - return; - } - -#ifdef MODE_UPSCALE - - //closest one should be the same pixel, but check nearby just in case - float depth = texelFetch(source_depth, ssC, 0).r; - - depth = depth * 2.0 - 1.0; - if (params.orthogonal) { - depth = ((depth + (params.z_far + params.z_near) / (params.z_far - params.z_near)) * (params.z_far - params.z_near)) / 2.0; - } else { - depth = 2.0 * params.z_near * params.z_far / (params.z_far + params.z_near - depth * (params.z_far - params.z_near)); - } - - vec2 pixel_size = 1.0 / vec2(params.screen_size); - vec2 closest_uv = vec2(ssC) * pixel_size + pixel_size * 0.5; - vec2 from_uv = closest_uv; - vec2 ps2 = pixel_size; // * 2.0; - - float closest_depth = abs(textureLod(source_depth_mipmaps, closest_uv, 0.0).r - depth); - - vec2 offsets[4] = vec2[](vec2(ps2.x, 0), vec2(-ps2.x, 0), vec2(0, ps2.y), vec2(0, -ps2.y)); - for (int i = 0; i < 4; i++) { - vec2 neighbour = from_uv + offsets[i]; - float neighbour_depth = abs(textureLod(source_depth_mipmaps, neighbour, 0.0).r - depth); - if (neighbour_depth < closest_depth) { - closest_uv = neighbour; - closest_depth = neighbour_depth; - } - } - - float visibility = textureLod(source_ssao, closest_uv, 0.0).r; - imageStore(dest_image, ssC, vec4(visibility)); -#else - - float depth = texelFetch(source_depth, ssC, 0).r; - -#ifdef MODE_FULL_SIZE - depth = depth * 2.0 - 1.0; - - if (params.orthogonal) { - depth = ((depth + (params.z_far + params.z_near) / (params.z_far - params.z_near)) * (params.z_far - params.z_near)) / 2.0; - } else { - depth = 2.0 * params.z_near * params.z_far / (params.z_far + params.z_near - depth * (params.z_far - params.z_near)); - } - -#endif - float depth_divide = 1.0 / params.z_far; - - //depth *= depth_divide; - - /* - if (depth > params.z_far * 0.999) { - discard; //skybox - } - */ - - float sum = texelFetch(source_ssao, ssC, 0).r; - - // Base weight for depth falloff. Increase this for more blurriness, - // decrease it for better edge discrimination - float BASE = gaussian[0]; - float totalWeight = BASE; - sum *= totalWeight; - - ivec2 clamp_limit = params.screen_size - ivec2(1); - - for (int r = -R; r <= R; ++r) { - // We already handled the zero case above. This loop should be unrolled and the static branch optimized out, - // so the IF statement has no runtime cost - if (r != 0) { - - ivec2 ppos = ssC + params.axis * (r * params.filter_scale); - float value = texelFetch(source_ssao, clamp(ppos, ivec2(0), clamp_limit), 0).r; - ivec2 rpos = clamp(ppos, ivec2(0), clamp_limit); - - float temp_depth = texelFetch(source_depth, rpos, 0).r; -#ifdef MODE_FULL_SIZE - temp_depth = temp_depth * 2.0 - 1.0; - if (params.orthogonal) { - temp_depth = ((temp_depth + (params.z_far + params.z_near) / (params.z_far - params.z_near)) * (params.z_far - params.z_near)) / 2.0; - } else { - temp_depth = 2.0 * params.z_near * params.z_far / (params.z_far + params.z_near - temp_depth * (params.z_far - params.z_near)); - } - //temp_depth *= depth_divide; -#endif - // spatial domain: offset gaussian tap - float weight = 0.3 + gaussian[abs(r)]; - //weight *= max(0.0, dot(temp_normal, normal)); - - // range domain (the "bilateral" weight). As depth difference increases, decrease weight. - weight *= max(0.0, 1.0 - params.edge_sharpness * abs(temp_depth - depth)); - - sum += value * weight; - totalWeight += weight; - } - } - - const float epsilon = 0.0001; - float visibility = sum / (totalWeight + epsilon); - - imageStore(dest_image, ssC, vec4(visibility)); -#endif -} diff --git a/servers/visual/rasterizer_rd/shaders/ssao_minify.glsl b/servers/visual/rasterizer_rd/shaders/ssao_minify.glsl deleted file mode 100644 index 8728154347..0000000000 --- a/servers/visual/rasterizer_rd/shaders/ssao_minify.glsl +++ /dev/null @@ -1,48 +0,0 @@ -/* clang-format off */ -[compute] - -#version 450 - -VERSION_DEFINES - -layout(local_size_x = 8, local_size_y = 8, local_size_z = 1) in; -/* clang-format on */ - -layout(push_constant, binding = 1, std430) uniform Params { - vec2 pixel_size; - float z_far; - float z_near; - ivec2 source_size; - bool orthogonal; - uint pad; -} -params; - -#ifdef MINIFY_START -layout(set = 0, binding = 0) uniform sampler2D source_texture; -#else -layout(r32f, set = 0, binding = 0) uniform restrict readonly image2D source_image; -#endif -layout(r32f, set = 1, binding = 0) uniform restrict writeonly image2D dest_image; - -void main() { - - ivec2 pos = ivec2(gl_GlobalInvocationID.xy); - - if (any(greaterThan(pos, params.source_size >> 1))) { //too large, do nothing - return; - } - -#ifdef MINIFY_START - float depth = texelFetch(source_texture, pos << 1, 0).r * 2.0 - 1.0; - if (params.orthogonal) { - depth = ((depth + (params.z_far + params.z_near) / (params.z_far - params.z_near)) * (params.z_far - params.z_near)) / 2.0; - } else { - depth = 2.0 * params.z_near * params.z_far / (params.z_far + params.z_near - depth * (params.z_far - params.z_near)); - } -#else - float depth = imageLoad(source_image, pos << 1).r; -#endif - - imageStore(dest_image, pos, vec4(depth)); -} diff --git a/servers/visual/rasterizer_rd/shaders/tonemap.glsl b/servers/visual/rasterizer_rd/shaders/tonemap.glsl deleted file mode 100644 index 524ca5e2ea..0000000000 --- a/servers/visual/rasterizer_rd/shaders/tonemap.glsl +++ /dev/null @@ -1,305 +0,0 @@ -/* clang-format off */ -[vertex] - -#version 450 - -VERSION_DEFINES - -layout(location = 0) out vec2 uv_interp; -/* clang-format on */ - -void main() { - - vec2 base_arr[4] = vec2[](vec2(0.0, 0.0), vec2(0.0, 1.0), vec2(1.0, 1.0), vec2(1.0, 0.0)); - uv_interp = base_arr[gl_VertexIndex]; - gl_Position = vec4(uv_interp * 2.0 - 1.0, 0.0, 1.0); -} - -/* clang-format off */ -[fragment] - -#version 450 - -VERSION_DEFINES - -layout(location = 0) in vec2 uv_interp; -/* clang-format on */ - -layout(set = 0, binding = 0) uniform sampler2D source_color; -layout(set = 1, binding = 0) uniform sampler2D source_auto_exposure; -layout(set = 2, binding = 0) uniform sampler2D source_glow; -layout(set = 3, binding = 0) uniform sampler3D color_correction; - -layout(push_constant, binding = 1, std430) uniform Params { - vec3 bcs; - bool use_bcs; - - bool use_glow; - bool use_auto_exposure; - bool use_color_correction; - uint tonemapper; - - uvec2 glow_texture_size; - - float glow_intensity; - uint glow_level_flags; - uint glow_mode; - - float exposure; - float white; - float auto_exposure_grey; -} -params; - -layout(location = 0) out vec4 frag_color; - -#ifdef USE_GLOW_FILTER_BICUBIC -// w0, w1, w2, and w3 are the four cubic B-spline basis functions -float w0(float a) { - return (1.0f / 6.0f) * (a * (a * (-a + 3.0f) - 3.0f) + 1.0f); -} - -float w1(float a) { - return (1.0f / 6.0f) * (a * a * (3.0f * a - 6.0f) + 4.0f); -} - -float w2(float a) { - return (1.0f / 6.0f) * (a * (a * (-3.0f * a + 3.0f) + 3.0f) + 1.0f); -} - -float w3(float a) { - return (1.0f / 6.0f) * (a * a * a); -} - -// g0 and g1 are the two amplitude functions -float g0(float a) { - return w0(a) + w1(a); -} - -float g1(float a) { - return w2(a) + w3(a); -} - -// h0 and h1 are the two offset functions -float h0(float a) { - return -1.0f + w1(a) / (w0(a) + w1(a)); -} - -float h1(float a) { - return 1.0f + w3(a) / (w2(a) + w3(a)); -} - -vec4 texture2D_bicubic(sampler2D tex, vec2 uv, int p_lod) { - float lod = float(p_lod); - vec2 tex_size = vec2(params.glow_texture_size >> p_lod); - vec2 pixel_size = vec2(1.0f) / tex_size; - - uv = uv * tex_size + vec2(0.5f); - - vec2 iuv = floor(uv); - vec2 fuv = fract(uv); - - float g0x = g0(fuv.x); - float g1x = g1(fuv.x); - float h0x = h0(fuv.x); - float h1x = h1(fuv.x); - float h0y = h0(fuv.y); - float h1y = h1(fuv.y); - - vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5f)) * pixel_size; - vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5f)) * pixel_size; - vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5f)) * pixel_size; - vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5f)) * pixel_size; - - return (g0(fuv.y) * (g0x * textureLod(tex, p0, lod) + g1x * textureLod(tex, p1, lod))) + - (g1(fuv.y) * (g0x * textureLod(tex, p2, lod) + g1x * textureLod(tex, p3, lod))); -} - -#define GLOW_TEXTURE_SAMPLE(m_tex, m_uv, m_lod) texture2D_bicubic(m_tex, m_uv, m_lod) - -#else - -#define GLOW_TEXTURE_SAMPLE(m_tex, m_uv, m_lod) textureLod(m_tex, m_uv, float(m_lod)) - -#endif - -vec3 tonemap_filmic(vec3 color, float white) { - // exposure bias: input scale (color *= bias, white *= bias) to make the brightness consistent with other tonemappers - // also useful to scale the input to the range that the tonemapper is designed for (some require very high input values) - // has no effect on the curve's general shape or visual properties - const float exposure_bias = 2.0f; - const float A = 0.22f * exposure_bias * exposure_bias; // bias baked into constants for performance - const float B = 0.30f * exposure_bias; - const float C = 0.10f; - const float D = 0.20f; - const float E = 0.01f; - const float F = 0.30f; - - vec3 color_tonemapped = ((color * (A * color + C * B) + D * E) / (color * (A * color + B) + D * F)) - E / F; - float white_tonemapped = ((white * (A * white + C * B) + D * E) / (white * (A * white + B) + D * F)) - E / F; - - return color_tonemapped / white_tonemapped; -} - -vec3 tonemap_aces(vec3 color, float white) { - const float exposure_bias = 0.85f; - const float A = 2.51f * exposure_bias * exposure_bias; - const float B = 0.03f * exposure_bias; - const float C = 2.43f * exposure_bias * exposure_bias; - const float D = 0.59f * exposure_bias; - const float E = 0.14f; - - vec3 color_tonemapped = (color * (A * color + B)) / (color * (C * color + D) + E); - float white_tonemapped = (white * (A * white + B)) / (white * (C * white + D) + E); - - return color_tonemapped / white_tonemapped; -} - -vec3 tonemap_reinhard(vec3 color, float white) { - return (white * color + color) / (color * white + white); -} - -vec3 linear_to_srgb(vec3 color) { - //if going to srgb, clamp from 0 to 1. - color = clamp(color, vec3(0.0), vec3(1.0)); - const vec3 a = vec3(0.055f); - return mix((vec3(1.0f) + a) * pow(color.rgb, vec3(1.0f / 2.4f)) - a, 12.92f * color.rgb, lessThan(color.rgb, vec3(0.0031308f))); -} - -#define TONEMAPPER_LINEAR 0 -#define TONEMAPPER_REINHARD 1 -#define TONEMAPPER_FILMIC 2 -#define TONEMAPPER_ACES 3 - -vec3 apply_tonemapping(vec3 color, float white) { // inputs are LINEAR, always outputs clamped [0;1] color - - if (params.tonemapper == TONEMAPPER_LINEAR) { - return color; - } else if (params.tonemapper == TONEMAPPER_REINHARD) { - return tonemap_reinhard(color, white); - } else if (params.tonemapper == TONEMAPPER_FILMIC) { - return tonemap_filmic(color, white); - } else { //aces - return tonemap_aces(color, white); - } -} - -vec3 gather_glow(sampler2D tex, vec2 uv) { // sample all selected glow levels - vec3 glow = vec3(0.0f); - - if (bool(params.glow_level_flags & (1 << 0))) { - glow += GLOW_TEXTURE_SAMPLE(tex, uv, 0).rgb; - } - - if (bool(params.glow_level_flags & (1 << 1))) { - glow += GLOW_TEXTURE_SAMPLE(tex, uv, 1).rgb; - } - - if (bool(params.glow_level_flags & (1 << 2))) { - glow += GLOW_TEXTURE_SAMPLE(tex, uv, 2).rgb; - } - - if (bool(params.glow_level_flags & (1 << 3))) { - glow += GLOW_TEXTURE_SAMPLE(tex, uv, 3).rgb; - } - - if (bool(params.glow_level_flags & (1 << 4))) { - glow += GLOW_TEXTURE_SAMPLE(tex, uv, 4).rgb; - } - - if (bool(params.glow_level_flags & (1 << 5))) { - glow += GLOW_TEXTURE_SAMPLE(tex, uv, 5).rgb; - } - - if (bool(params.glow_level_flags & (1 << 6))) { - glow += GLOW_TEXTURE_SAMPLE(tex, uv, 6).rgb; - } - - return glow; -} - -#define GLOW_MODE_ADD 0 -#define GLOW_MODE_SCREEN 1 -#define GLOW_MODE_SOFTLIGHT 2 -#define GLOW_MODE_REPLACE 3 -#define GLOW_MODE_MIX 4 - -vec3 apply_glow(vec3 color, vec3 glow) { // apply glow using the selected blending mode - if (params.glow_mode == GLOW_MODE_ADD) { - return color + glow; - } else if (params.glow_mode == GLOW_MODE_SCREEN) { - //need color clamping - return max((color + glow) - (color * glow), vec3(0.0)); - } else if (params.glow_mode == GLOW_MODE_SOFTLIGHT) { - //need color clamping - glow = glow * vec3(0.5f) + vec3(0.5f); - - color.r = (glow.r <= 0.5f) ? (color.r - (1.0f - 2.0f * glow.r) * color.r * (1.0f - color.r)) : (((glow.r > 0.5f) && (color.r <= 0.25f)) ? (color.r + (2.0f * glow.r - 1.0f) * (4.0f * color.r * (4.0f * color.r + 1.0f) * (color.r - 1.0f) + 7.0f * color.r)) : (color.r + (2.0f * glow.r - 1.0f) * (sqrt(color.r) - color.r))); - color.g = (glow.g <= 0.5f) ? (color.g - (1.0f - 2.0f * glow.g) * color.g * (1.0f - color.g)) : (((glow.g > 0.5f) && (color.g <= 0.25f)) ? (color.g + (2.0f * glow.g - 1.0f) * (4.0f * color.g * (4.0f * color.g + 1.0f) * (color.g - 1.0f) + 7.0f * color.g)) : (color.g + (2.0f * glow.g - 1.0f) * (sqrt(color.g) - color.g))); - color.b = (glow.b <= 0.5f) ? (color.b - (1.0f - 2.0f * glow.b) * color.b * (1.0f - color.b)) : (((glow.b > 0.5f) && (color.b <= 0.25f)) ? (color.b + (2.0f * glow.b - 1.0f) * (4.0f * color.b * (4.0f * color.b + 1.0f) * (color.b - 1.0f) + 7.0f * color.b)) : (color.b + (2.0f * glow.b - 1.0f) * (sqrt(color.b) - color.b))); - return color; - } else { //replace - return glow; - } -} - -vec3 apply_bcs(vec3 color, vec3 bcs) { - color = mix(vec3(0.0f), color, bcs.x); - color = mix(vec3(0.5f), color, bcs.y); - color = mix(vec3(dot(vec3(1.0f), color) * 0.33333f), color, bcs.z); - - return color; -} - -vec3 apply_color_correction(vec3 color, sampler3D correction_tex) { - return texture(correction_tex, color).rgb; -} - -void main() { - vec3 color = textureLod(source_color, uv_interp, 0.0f).rgb; - - // Exposure - - if (params.use_auto_exposure) { - color /= texelFetch(source_auto_exposure, ivec2(0, 0), 0).r / params.auto_exposure_grey; - } - - color *= params.exposure; - - // Early Tonemap & SRGB Conversion - - if (params.use_glow && params.glow_mode == GLOW_MODE_MIX) { - - vec3 glow = gather_glow(source_glow, uv_interp); - color.rgb = mix(color.rgb, glow, params.glow_intensity); - } - - color = apply_tonemapping(color, params.white); - - color = linear_to_srgb(color); // regular linear -> SRGB conversion - - // Glow - - if (params.use_glow && params.glow_mode != GLOW_MODE_MIX) { - - vec3 glow = gather_glow(source_glow, uv_interp) * params.glow_intensity; - - // high dynamic range -> SRGB - glow = apply_tonemapping(glow, params.white); - glow = linear_to_srgb(glow); - - color = apply_glow(color, glow); - } - - // Additional effects - - if (params.use_bcs) { - color = apply_bcs(color, params.bcs); - } - - if (params.use_color_correction) { - color = apply_color_correction(color, color_correction); - } - - frag_color = vec4(color, 1.0f); -} |