diff options
Diffstat (limited to 'servers/rendering/rasterizer_rd/shaders')
9 files changed, 284 insertions, 193 deletions
diff --git a/servers/rendering/rasterizer_rd/shaders/canvas.glsl b/servers/rendering/rasterizer_rd/shaders/canvas.glsl index 4a40584e16..04a37e501f 100644 --- a/servers/rendering/rasterizer_rd/shaders/canvas.glsl +++ b/servers/rendering/rasterizer_rd/shaders/canvas.glsl @@ -26,7 +26,7 @@ layout(location = 3) out vec2 pixel_size_interp; #endif #ifdef USE_MATERIAL_UNIFORMS -layout(set = 1, binding = 1, std140) uniform MaterialUniforms{ +layout(set = 1, binding = 0, std140) uniform MaterialUniforms{ /* clang-format off */ MATERIAL_UNIFORMS /* clang-format on */ @@ -226,7 +226,7 @@ layout(location = 3) in vec2 pixel_size_interp; layout(location = 0) out vec4 frag_color; #ifdef USE_MATERIAL_UNIFORMS -layout(set = 1, binding = 1, std140) uniform MaterialUniforms{ +layout(set = 1, binding = 0, std140) uniform MaterialUniforms{ /* clang-format off */ MATERIAL_UNIFORMS /* clang-format on */ @@ -408,7 +408,7 @@ FRAGMENT_SHADER_CODE color *= canvas_data.canvas_modulation; #ifdef USE_LIGHTING - for (uint i = 0; i < MAX_LIGHT_TEXTURES; i++) { + for (uint i = 0; i < MAX_LIGHTS_PER_ITEM; i++) { if (i >= light_count) { break; } @@ -430,7 +430,8 @@ FRAGMENT_SHADER_CODE 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); + vec2 tex_uv_atlas = tex_uv * light_array.data[light_base].atlas_rect.zw + light_array.data[light_base].atlas_rect.xy; + vec4 light_color = textureLod(sampler2D(atlas_texture, texture_sampler), tex_uv_atlas, 0.0); vec4 light_base_color = light_array.data[light_base].color; #ifdef LIGHT_SHADER_CODE_USED @@ -502,47 +503,53 @@ FRAGMENT_SHADER_CODE } } + distance *= light_array.data[light_base].shadow_zfar_inv; + //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); + vec4 shadow_uv = vec4(tex_ofs, light_array.data[light_base].shadow_y_ofs, distance, 1.0); if (shadow_mode == LIGHT_FLAGS_SHADOW_NEAREST) { - shadow = textureProj(sampler2DShadow(shadow_textures[i], shadow_sampler), shadow_uv).x; + shadow = textureProjLod(sampler2DShadow(shadow_atlas_texture, shadow_sampler), shadow_uv, 0.0).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 += textureProjLod(sampler2DShadow(shadow_atlas_texture, shadow_sampler), shadow_uv - shadow_pixel_size * 2.0, 0.0).x; + shadow += textureProjLod(sampler2DShadow(shadow_atlas_texture, shadow_sampler), shadow_uv - shadow_pixel_size, 0.0).x; + shadow += textureProjLod(sampler2DShadow(shadow_atlas_texture, shadow_sampler), shadow_uv, 0.0).x; + shadow += textureProjLod(sampler2DShadow(shadow_atlas_texture, shadow_sampler), shadow_uv + shadow_pixel_size, 0.0).x; + shadow += textureProjLod(sampler2DShadow(shadow_atlas_texture, shadow_sampler), shadow_uv + shadow_pixel_size * 2.0, 0.0).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 += textureProjLod(sampler2DShadow(shadow_atlas_texture, shadow_sampler), shadow_uv - shadow_pixel_size * 6.0, 0.0).x; + shadow += textureProjLod(sampler2DShadow(shadow_atlas_texture, shadow_sampler), shadow_uv - shadow_pixel_size * 5.0, 0.0).x; + shadow += textureProjLod(sampler2DShadow(shadow_atlas_texture, shadow_sampler), shadow_uv - shadow_pixel_size * 4.0, 0.0).x; + shadow += textureProjLod(sampler2DShadow(shadow_atlas_texture, shadow_sampler), shadow_uv - shadow_pixel_size * 3.0, 0.0).x; + shadow += textureProjLod(sampler2DShadow(shadow_atlas_texture, shadow_sampler), shadow_uv - shadow_pixel_size * 2.0, 0.0).x; + shadow += textureProjLod(sampler2DShadow(shadow_atlas_texture, shadow_sampler), shadow_uv - shadow_pixel_size, 0.0).x; + shadow += textureProjLod(sampler2DShadow(shadow_atlas_texture, shadow_sampler), shadow_uv, 0.0).x; + shadow += textureProjLod(sampler2DShadow(shadow_atlas_texture, shadow_sampler), shadow_uv + shadow_pixel_size, 0.0).x; + shadow += textureProjLod(sampler2DShadow(shadow_atlas_texture, shadow_sampler), shadow_uv + shadow_pixel_size * 2.0, 0.0).x; + shadow += textureProjLod(sampler2DShadow(shadow_atlas_texture, shadow_sampler), shadow_uv + shadow_pixel_size * 3.0, 0.0).x; + shadow += textureProjLod(sampler2DShadow(shadow_atlas_texture, shadow_sampler), shadow_uv + shadow_pixel_size * 4.0, 0.0).x; + shadow += textureProjLod(sampler2DShadow(shadow_atlas_texture, shadow_sampler), shadow_uv + shadow_pixel_size * 5.0, 0.0).x; + shadow += textureProjLod(sampler2DShadow(shadow_atlas_texture, shadow_sampler), shadow_uv + shadow_pixel_size * 6.0, 0.0).x; shadow /= 13.0; } - vec4 shadow_color = light_array.data[light_base].shadow_color; + vec4 shadow_color = unpackUnorm4x8(light_array.data[light_base].shadow_color); #ifdef LIGHT_SHADER_CODE_USED shadow_color *= shadow_modulate; #endif + + shadow_color.a *= light_color.a; //respect light alpha + light_color = mix(light_color, shadow_color, shadow); + //light_color = mix(light_color, shadow_color, shadow); } uint blend_mode = light_array.data[light_base].flags & LIGHT_FLAGS_BLEND_MASK; diff --git a/servers/rendering/rasterizer_rd/shaders/canvas_occlusion.glsl b/servers/rendering/rasterizer_rd/shaders/canvas_occlusion.glsl index 99e70a1976..421282cd4d 100644 --- a/servers/rendering/rasterizer_rd/shaders/canvas_occlusion.glsl +++ b/servers/rendering/rasterizer_rd/shaders/canvas_occlusion.glsl @@ -8,7 +8,8 @@ layout(push_constant, binding = 0, std430) uniform Constants { mat4 projection; mat2x4 modelview; vec2 direction; - vec2 pad; + float z_far; + float pad; } constants; @@ -25,9 +26,18 @@ void main() { #version 450 +layout(push_constant, binding = 0, std430) uniform Constants { + mat4 projection; + mat2x4 modelview; + vec2 direction; + float z_far; + float pad; +} +constants; + layout(location = 0) in highp float depth; layout(location = 0) out highp float distance_buf; void main() { - distance_buf = depth; + distance_buf = depth / constants.z_far; } diff --git a/servers/rendering/rasterizer_rd/shaders/canvas_uniforms_inc.glsl b/servers/rendering/rasterizer_rd/shaders/canvas_uniforms_inc.glsl index a39866004b..e4dc326af6 100644 --- a/servers/rendering/rasterizer_rd/shaders/canvas_uniforms_inc.glsl +++ b/servers/rendering/rasterizer_rd/shaders/canvas_uniforms_inc.glsl @@ -1,3 +1,6 @@ + +#define MAX_LIGHTS_PER_ITEM 16 + #define M_PI 3.14159265359 #define FLAGS_INSTANCING_STRIDE_MASK 0xF @@ -22,13 +25,7 @@ #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 */ +// Push Constant layout(push_constant, binding = 0, std430) uniform DrawData { vec2 world_x; @@ -53,26 +50,17 @@ layout(push_constant, binding = 0, std430) uniform DrawData { } 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]; +// 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 (as likely internal base offset changes) -#endif +/* SET0: Globals */ -/* SET2: Canvas Item State (including lighting) */ +// The values passed per draw primitives are cached within it -layout(set = 2, binding = 0, std140) uniform CanvasData { +layout(set = 0, binding = 1, std140) uniform CanvasData { mat4 canvas_transform; mat4 screen_transform; mat4 canvas_normal_transform; @@ -84,16 +72,6 @@ layout(set = 2, binding = 0, std140) uniform CanvasData { } 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) @@ -110,37 +88,52 @@ 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 shadow_color; // packed uint flags; //index to light texture - float height; float shadow_pixel_size; - float pad0; - float pad1; - float pad2; + float height; + + vec2 position; + float shadow_zfar_inv; + float shadow_y_ofs; + + vec4 atlas_rect; }; -layout(set = 2, binding = 3, std140) uniform LightData { +layout(set = 0, binding = 2, 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 = 0, binding = 3) uniform texture2D atlas_texture; +layout(set = 0, binding = 4) uniform texture2D shadow_atlas_texture; -layout(set = 2, binding = 6) uniform sampler shadow_sampler; +layout(set = 0, binding = 5) uniform sampler shadow_sampler; -#endif +layout(set = 0, binding = 6) uniform texture2D screen_texture; + +layout(set = 0, binding = 7) uniform sampler material_samplers[12]; -layout(set = 2, binding = 7, std430) restrict readonly buffer GlobalVariableData { +layout(set = 0, binding = 8, std430) restrict readonly buffer GlobalVariableData { vec4 data[]; } global_variables; -/* SET3: Render Target Data */ +/* SET1: Is reserved for the material */ -#ifdef SCREEN_TEXTURE_USED +// -layout(set = 3, binding = 0) uniform texture2D screen_texture; +/* SET2: Instancing and Skeleton */ -#endif +layout(set = 2, binding = 0, std430) restrict readonly buffer Transforms { + vec4 data[]; +} +transforms; + +/* SET3: Texture */ + +layout(set = 3, binding = 0) uniform texture2D color_texture; +layout(set = 3, binding = 1) uniform texture2D normal_texture; +layout(set = 3, binding = 2) uniform texture2D specular_texture; +layout(set = 3, binding = 3) uniform sampler texture_sampler; diff --git a/servers/rendering/rasterizer_rd/shaders/copy.glsl b/servers/rendering/rasterizer_rd/shaders/copy.glsl index e565bd8e3d..cdd35dfb3f 100644 --- a/servers/rendering/rasterizer_rd/shaders/copy.glsl +++ b/servers/rendering/rasterizer_rd/shaders/copy.glsl @@ -15,6 +15,7 @@ layout(local_size_x = 8, local_size_y = 8, local_size_z = 1) in; #define FLAG_FORCE_LUMINANCE (1 << 6) #define FLAG_COPY_ALL_SOURCE (1 << 7) #define FLAG_HIGH_QUALITY_GLOW (1 << 8) +#define FLAG_ALPHA_TO_ONE (1 << 9) layout(push_constant, binding = 1, std430) uniform Params { ivec4 section; @@ -35,6 +36,8 @@ layout(push_constant, binding = 1, std430) uniform Params { float camera_z_far; float camera_z_near; uint pad2[2]; + + vec4 set_color; } params; @@ -42,7 +45,7 @@ params; layout(set = 0, binding = 0) uniform samplerCubeArray source_color; #elif defined(MODE_CUBEMAP_TO_PANORAMA) layout(set = 0, binding = 0) uniform samplerCube source_color; -#else +#elif !defined(MODE_SET_COLOR) layout(set = 0, binding = 0) uniform sampler2D source_color; #endif @@ -58,12 +61,20 @@ layout(rgba8, set = 3, binding = 0) uniform restrict writeonly image2D dest_buff layout(rgba32f, set = 3, binding = 0) uniform restrict writeonly image2D dest_buffer; #endif +#ifdef MODE_GAUSSIAN_GLOW +shared vec4 local_cache[256]; +shared vec4 temp_cache[128]; +#endif + void main() { // Pixel being shaded ivec2 pos = ivec2(gl_GlobalInvocationID.xy); + +#ifndef MODE_GAUSSIAN_GLOW // Glow needs the extra threads if (any(greaterThanEqual(pos, params.section.zw))) { //too large, do nothing return; } +#endif #ifdef MODE_MIPMAP @@ -104,70 +115,69 @@ void main() { #ifdef MODE_GAUSSIAN_GLOW - //Glow uses larger sigma 1 for a more rounded blur effect + // First pass copy texture into 16x16 local memory for every 8x8 thread block + vec2 quad_center_uv = clamp(vec2(gl_GlobalInvocationID.xy + gl_LocalInvocationID.xy - 3.5) / params.section.zw, vec2(0.5 / params.section.zw), vec2(1.0 - 1.5 / params.section.zw)); + uint dest_index = gl_LocalInvocationID.x * 2 + gl_LocalInvocationID.y * 2 * 16; -#define GLOW_ADD(m_ofs, m_mult) \ - { \ - ivec2 ofs = base_pos + m_ofs; \ - if (all(greaterThanEqual(ofs, section_begin)) && all(lessThan(ofs, section_end))) { \ - color += texelFetch(source_color, ofs, 0) * m_mult; \ - } \ + if (bool(params.flags & FLAG_HIGH_QUALITY_GLOW)) { + vec2 quad_offset_uv = clamp((vec2(gl_GlobalInvocationID.xy + gl_LocalInvocationID.xy - 3.0)) / params.section.zw, vec2(0.5 / params.section.zw), vec2(1.0 - 1.5 / params.section.zw)); + + local_cache[dest_index] = (textureLod(source_color, quad_center_uv, 0) + textureLod(source_color, quad_offset_uv, 0)) * 0.5; + local_cache[dest_index + 1] = (textureLod(source_color, quad_center_uv + vec2(1.0 / params.section.z, 0.0), 0) + textureLod(source_color, quad_offset_uv + vec2(1.0 / params.section.z, 0.0), 0)) * 0.5; + local_cache[dest_index + 16] = (textureLod(source_color, quad_center_uv + vec2(0.0, 1.0 / params.section.w), 0) + textureLod(source_color, quad_offset_uv + vec2(0.0, 1.0 / params.section.w), 0)) * 0.5; + local_cache[dest_index + 16 + 1] = (textureLod(source_color, quad_center_uv + vec2(1.0 / params.section.zw), 0) + textureLod(source_color, quad_offset_uv + vec2(1.0 / params.section.zw), 0)) * 0.5; + } else { + local_cache[dest_index] = textureLod(source_color, quad_center_uv, 0); + local_cache[dest_index + 1] = textureLod(source_color, quad_center_uv + vec2(1.0 / params.section.z, 0.0), 0); + local_cache[dest_index + 16] = textureLod(source_color, quad_center_uv + vec2(0.0, 1.0 / params.section.w), 0); + local_cache[dest_index + 16 + 1] = textureLod(source_color, quad_center_uv + vec2(1.0 / params.section.zw), 0); } + memoryBarrierShared(); + barrier(); + + // Horizontal pass. Needs to copy into 8x16 chunk of local memory so vertical pass has full resolution + uint read_index = gl_LocalInvocationID.x + gl_LocalInvocationID.y * 32 + 4; + vec4 color_top = vec4(0.0); + color_top += local_cache[read_index] * 0.174938; + color_top += local_cache[read_index + 1] * 0.165569; + color_top += local_cache[read_index + 2] * 0.140367; + color_top += local_cache[read_index + 3] * 0.106595; + color_top += local_cache[read_index - 1] * 0.165569; + color_top += local_cache[read_index - 2] * 0.140367; + color_top += local_cache[read_index - 3] * 0.106595; + + vec4 color_bottom = vec4(0.0); + color_bottom += local_cache[read_index + 16] * 0.174938; + color_bottom += local_cache[read_index + 1 + 16] * 0.165569; + color_bottom += local_cache[read_index + 2 + 16] * 0.140367; + color_bottom += local_cache[read_index + 3 + 16] * 0.106595; + color_bottom += local_cache[read_index - 1 + 16] * 0.165569; + color_bottom += local_cache[read_index - 2 + 16] * 0.140367; + color_bottom += local_cache[read_index - 3 + 16] * 0.106595; + + // rotate samples to take advantage of cache coherency + uint write_index = gl_LocalInvocationID.y * 2 + gl_LocalInvocationID.x * 16; + + temp_cache[write_index] = color_top; + temp_cache[write_index + 1] = color_bottom; + + memoryBarrierShared(); + barrier(); + + // Vertical pass + uint index = gl_LocalInvocationID.y + gl_LocalInvocationID.x * 16 + 4; vec4 color = vec4(0.0); - if (bool(params.flags & FLAG_HORIZONTAL)) { - ivec2 base_pos = ((pos + params.section.xy) << 1) + ivec2(1); - ivec2 section_begin = params.section.xy << 1; - ivec2 section_end = section_begin + (params.section.zw << 1); - - if (bool(params.flags & FLAG_HIGH_QUALITY_GLOW)) { - //Sample from two lines to capture single pixel features - GLOW_ADD(ivec2(0, 0), 0.152781); - GLOW_ADD(ivec2(1, 0), 0.144599); - GLOW_ADD(ivec2(2, 0), 0.122589); - GLOW_ADD(ivec2(3, 0), 0.093095); - GLOW_ADD(ivec2(4, 0), 0.063327); - GLOW_ADD(ivec2(-1, 0), 0.144599); - GLOW_ADD(ivec2(-2, 0), 0.122589); - GLOW_ADD(ivec2(-3, 0), 0.093095); - GLOW_ADD(ivec2(-4, 0), 0.063327); - - GLOW_ADD(ivec2(0, 1), 0.152781); - GLOW_ADD(ivec2(1, 1), 0.144599); - GLOW_ADD(ivec2(2, 1), 0.122589); - GLOW_ADD(ivec2(3, 1), 0.093095); - GLOW_ADD(ivec2(4, 1), 0.063327); - GLOW_ADD(ivec2(-1, 1), 0.144599); - GLOW_ADD(ivec2(-2, 1), 0.122589); - GLOW_ADD(ivec2(-3, 1), 0.093095); - GLOW_ADD(ivec2(-4, 1), 0.063327); - color *= 0.5; - } else { - GLOW_ADD(ivec2(0, 0), 0.174938); - GLOW_ADD(ivec2(1, 0), 0.165569); - GLOW_ADD(ivec2(2, 0), 0.140367); - GLOW_ADD(ivec2(3, 0), 0.106595); - GLOW_ADD(ivec2(-1, 0), 0.165569); - GLOW_ADD(ivec2(-2, 0), 0.140367); - GLOW_ADD(ivec2(-3, 0), 0.106595); - } - - color *= params.glow_strength; - } else { - ivec2 base_pos = pos + params.section.xy; - ivec2 section_begin = params.section.xy; - ivec2 section_end = section_begin + params.section.zw; - - GLOW_ADD(ivec2(0, 0), 0.288713); - GLOW_ADD(ivec2(0, 1), 0.233062); - GLOW_ADD(ivec2(0, 2), 0.122581); - GLOW_ADD(ivec2(0, -1), 0.233062); - GLOW_ADD(ivec2(0, -2), 0.122581); - color *= params.glow_strength; - } + color += temp_cache[index] * 0.174938; + color += temp_cache[index + 1] * 0.165569; + color += temp_cache[index + 2] * 0.140367; + color += temp_cache[index + 3] * 0.106595; + color += temp_cache[index - 1] * 0.165569; + color += temp_cache[index - 2] * 0.140367; + color += temp_cache[index - 3] * 0.106595; -#undef GLOW_ADD + color *= params.glow_strength; if (bool(params.flags & FLAG_GLOW_FIRST_PASS)) { #ifdef GLOW_USE_AUTO_EXPOSURE @@ -196,25 +206,24 @@ void main() { } color = textureLod(source_color, uv, 0.0); - if (bool(params.flags & FLAG_FORCE_LUMINANCE)) { - color.rgb = vec3(max(max(color.r, color.g), color.b)); - } - imageStore(dest_buffer, pos + params.target, color); - } else { color = texelFetch(source_color, pos + params.section.xy, 0); - if (bool(params.flags & FLAG_FORCE_LUMINANCE)) { - color.rgb = vec3(max(max(color.r, color.g), color.b)); - } - if (bool(params.flags & FLAG_FLIP_Y)) { pos.y = params.section.w - pos.y - 1; } + } - imageStore(dest_buffer, pos + params.target, color); + if (bool(params.flags & FLAG_FORCE_LUMINANCE)) { + color.rgb = vec3(max(max(color.r, color.g), color.b)); } + if (bool(params.flags & FLAG_ALPHA_TO_ONE)) { + color.a = 1.0; + } + + imageStore(dest_buffer, pos + params.target, color); + #endif #ifdef MODE_SIMPLE_COPY_DEPTH @@ -263,4 +272,8 @@ void main() { #endif imageStore(dest_buffer, pos + params.target, color); #endif + +#ifdef MODE_SET_COLOR + imageStore(dest_buffer, pos + params.target, params.set_color); +#endif } diff --git a/servers/rendering/rasterizer_rd/shaders/scene_high_end.glsl b/servers/rendering/rasterizer_rd/shaders/scene_high_end.glsl index e11f3983c5..455a3d4a3a 100644 --- a/servers/rendering/rasterizer_rd/shaders/scene_high_end.glsl +++ b/servers/rendering/rasterizer_rd/shaders/scene_high_end.glsl @@ -1621,6 +1621,22 @@ vec4 volumetric_fog_process(vec2 screen_uv, float z) { vec4 fog_process(vec3 vertex) { vec3 fog_color = scene_data.fog_light_color; + if (scene_data.fog_aerial_perspective > 0.0) { + vec3 sky_fog_color = vec3(0.0); + vec3 cube_view = scene_data.radiance_inverse_xform * vertex; + // mip_level always reads from the second mipmap and higher so the fog is always slightly blurred + float mip_level = mix(1.0 / MAX_ROUGHNESS_LOD, 1.0, 1.0 - (abs(vertex.z) - scene_data.z_near) / (scene_data.z_far - scene_data.z_near)); +#ifdef USE_RADIANCE_CUBEMAP_ARRAY + float lod, blend; + blend = modf(mip_level * MAX_ROUGHNESS_LOD, lod); + sky_fog_color = texture(samplerCubeArray(radiance_cubemap, material_samplers[SAMPLER_LINEAR_WITH_MIPMAPS_CLAMP]), vec4(cube_view, lod)).rgb; + sky_fog_color = mix(sky_fog_color, texture(samplerCubeArray(radiance_cubemap, material_samplers[SAMPLER_LINEAR_WITH_MIPMAPS_CLAMP]), vec4(cube_view, lod + 1)).rgb, blend); +#else + sky_fog_color = textureLod(samplerCube(radiance_cubemap, material_samplers[SAMPLER_LINEAR_WITH_MIPMAPS_CLAMP]), cube_view, mip_level * MAX_ROUGHNESS_LOD).rgb; +#endif //USE_RADIANCE_CUBEMAP_ARRAY + fog_color = mix(fog_color, sky_fog_color, scene_data.fog_aerial_perspective); + } + if (scene_data.fog_sun_scatter > 0.001) { vec4 sun_scatter = vec4(0.0); float sun_total = 0.0; @@ -1676,6 +1692,15 @@ void main() { float clearcoat_gloss = 0.0; float anisotropy = 0.0; vec2 anisotropy_flow = vec2(1.0, 0.0); +#if defined(CUSTOM_FOG_USED) + vec4 custom_fog = vec4(0.0); +#endif +#if defined(CUSTOM_RADIANCE_USED) + vec4 custom_radiance = vec4(0.0); +#endif +#if defined(CUSTOM_IRRADIANCE_USED) + vec4 custom_irradiance = vec4(0.0); +#endif #if defined(AO_USED) float ao = 1.0; @@ -1893,6 +1918,10 @@ FRAGMENT_SHADER_CODE specular_light *= scene_data.ambient_light_color_energy.a; } +#if defined(CUSTOM_RADIANCE_USED) + specular_light = mix(specular_light, custom_radiance.rgb, custom_radiance.a); +#endif + #ifndef USE_LIGHTMAP //lightmap overrides everything if (scene_data.use_ambient_light) { @@ -1910,7 +1939,9 @@ FRAGMENT_SHADER_CODE } } #endif // USE_LIGHTMAP - +#if defined(CUSTOM_IRRADIANCE_USED) + ambient_light = mix(specular_light, custom_irradiance.rgb, custom_irradiance.a); +#endif #endif //!defined(MODE_RENDER_DEPTH) && !defined(MODE_UNSHADED) //radiance @@ -2726,18 +2757,24 @@ FRAGMENT_SHADER_CODE specular_buffer = vec4(specular_light, metallic); #endif - if (scene_data.volumetric_fog_enabled) { - vec4 fog = volumetric_fog_process(screen_uv, -vertex.z); + // Draw "fixed" fog before volumetric fog to ensure volumetric fog can appear in front of the sky. + if (scene_data.fog_enabled) { + vec4 fog = fog_process(vertex); diffuse_buffer.rgb = mix(diffuse_buffer.rgb, fog.rgb, fog.a); specular_buffer.rgb = mix(specular_buffer.rgb, vec3(0.0), fog.a); } - if (scene_data.fog_enabled) { - vec4 fog = fog_process(vertex); + if (scene_data.volumetric_fog_enabled) { + vec4 fog = volumetric_fog_process(screen_uv, -vertex.z); diffuse_buffer.rgb = mix(diffuse_buffer.rgb, fog.rgb, fog.a); specular_buffer.rgb = mix(specular_buffer.rgb, vec3(0.0), fog.a); } +#if defined(CUSTOM_FOG_USED) + diffuse_buffer.rgb = mix(diffuse_buffer.rgb, custom_fog.rgb, custom_fog.a); + specular_buffer.rgb = mix(specular_buffer.rgb, vec3(0.0), custom_fog.a); +#endif //CUSTOM_FOG_USED + #else //MODE_MULTIPLE_RENDER_TARGETS #ifdef MODE_UNSHADED @@ -2747,16 +2784,21 @@ FRAGMENT_SHADER_CODE //frag_color = vec4(1.0); #endif //USE_NO_SHADING - if (scene_data.volumetric_fog_enabled) { - vec4 fog = volumetric_fog_process(screen_uv, -vertex.z); + // Draw "fixed" fog before volumetric fog to ensure volumetric fog can appear in front of the sky. + if (scene_data.fog_enabled) { + vec4 fog = fog_process(vertex); frag_color.rgb = mix(frag_color.rgb, fog.rgb, fog.a); } - if (scene_data.fog_enabled) { - vec4 fog = fog_process(vertex); + if (scene_data.volumetric_fog_enabled) { + vec4 fog = volumetric_fog_process(screen_uv, -vertex.z); frag_color.rgb = mix(frag_color.rgb, fog.rgb, fog.a); } +#if defined(CUSTOM_FOG_USED) + frag_color.rgb = mix(frag_color.rgb, custom_fog.rgb, custom_fog.a); +#endif //CUSTOM_FOG_USED + #endif //MODE_MULTIPLE_RENDER_TARGETS #endif //MODE_RENDER_DEPTH diff --git a/servers/rendering/rasterizer_rd/shaders/scene_high_end_inc.glsl b/servers/rendering/rasterizer_rd/shaders/scene_high_end_inc.glsl index 0cc2b90c53..e29a490ca1 100644 --- a/servers/rendering/rasterizer_rd/shaders/scene_high_end_inc.glsl +++ b/servers/rendering/rasterizer_rd/shaders/scene_high_end_inc.glsl @@ -43,12 +43,6 @@ layout(set = 0, binding = 3, std140) uniform SceneData { vec2 viewport_size; vec2 screen_pixel_size; - float time; - float reflection_multiplier; // one normally, zero when rendering reflections - - bool pancake_shadows; - uint pad; - //use vec4s because std140 doesnt play nice with vec2s, z and w are wasted vec4 directional_penumbra_shadow_kernel[32]; vec4 directional_soft_shadow_kernel[32]; @@ -108,6 +102,13 @@ layout(set = 0, binding = 3, std140) uniform SceneData { vec3 fog_light_color; float fog_sun_scatter; + + float fog_aerial_perspective; + + float time; + float reflection_multiplier; // one normally, zero when rendering reflections + + bool pancake_shadows; } scene_data; diff --git a/servers/rendering/rasterizer_rd/shaders/screen_space_reflection.glsl b/servers/rendering/rasterizer_rd/shaders/screen_space_reflection.glsl index a8ee33a664..06dc4b13de 100644 --- a/servers/rendering/rasterizer_rd/shaders/screen_space_reflection.glsl +++ b/servers/rendering/rasterizer_rd/shaders/screen_space_reflection.glsl @@ -155,18 +155,14 @@ void main() { depth = imageLoad(source_depth, ivec2(pos - 0.5)).r; - if (-depth >= params.camera_z_far) { //went beyond camera - break; - } - z_from = z_to; z_to = z / w; if (depth > z_to) { // if depth was surpassed - if (depth <= max(z_to, z_from) + params.depth_tolerance) { - // check the depth tolerance - //check that normal is valid + if (depth <= max(z_to, z_from) + params.depth_tolerance && -depth < params.camera_z_far) { + // check the depth tolerance and far clip + // check that normal is valid found = true; } break; diff --git a/servers/rendering/rasterizer_rd/shaders/sky.glsl b/servers/rendering/rasterizer_rd/shaders/sky.glsl index 7b6de6a555..6c985e1f5c 100644 --- a/servers/rendering/rasterizer_rd/shaders/sky.glsl +++ b/servers/rendering/rasterizer_rd/shaders/sky.glsl @@ -62,7 +62,8 @@ layout(set = 0, binding = 2, std140) uniform SceneData { bool volumetric_fog_enabled; float volumetric_fog_inv_length; float volumetric_fog_detail_spread; - uint volumetric_fog_pad; + + float fog_aerial_perspective; vec3 fog_light_color; float fog_sun_scatter; @@ -140,8 +141,8 @@ vec4 volumetric_fog_process(vec2 screen_uv) { return texture(sampler3D(volumetric_fog_texture, material_samplers[SAMPLER_LINEAR_CLAMP]), fog_pos); } -vec4 fog_process(vec3 view) { - vec3 fog_color = scene_data.fog_light_color; +vec4 fog_process(vec3 view, vec3 sky_color) { + vec3 fog_color = mix(scene_data.fog_light_color, sky_color, scene_data.fog_aerial_perspective); if (scene_data.fog_sun_scatter > 0.001) { vec4 sun_scatter = vec4(0.0); @@ -181,6 +182,7 @@ void main() { float alpha = 1.0; // Only available to subpasses vec4 half_res_color = vec4(1.0); vec4 quarter_res_color = vec4(1.0); + vec4 custom_fog = vec4(0.0); #ifdef USE_CUBEMAP_PASS vec3 inverted_cube_normal = cube_normal; @@ -223,14 +225,19 @@ FRAGMENT_SHADER_CODE #if !defined(DISABLE_FOG) && !defined(USE_CUBEMAP_PASS) + // Draw "fixed" fog before volumetric fog to ensure volumetric fog can appear in front of the sky. + if (scene_data.fog_enabled) { + vec4 fog = fog_process(cube_normal, frag_color.rgb); + frag_color.rgb = mix(frag_color.rgb, fog.rgb, fog.a); + } + if (scene_data.volumetric_fog_enabled) { vec4 fog = volumetric_fog_process(uv); frag_color.rgb = mix(frag_color.rgb, fog.rgb, fog.a); } - if (scene_data.fog_enabled) { - vec4 fog = fog_process(cube_normal); - frag_color.rgb = mix(frag_color.rgb, fog.rgb, fog.a); + if (custom_fog.a > 0.0) { + frag_color.rgb = mix(frag_color.rgb, custom_fog.rgb, custom_fog.a); } #endif // DISABLE_FOG diff --git a/servers/rendering/rasterizer_rd/shaders/tonemap.glsl b/servers/rendering/rasterizer_rd/shaders/tonemap.glsl index b7c46a7d0e..4cc4fd3f64 100644 --- a/servers/rendering/rasterizer_rd/shaders/tonemap.glsl +++ b/servers/rendering/rasterizer_rd/shaders/tonemap.glsl @@ -37,16 +37,18 @@ layout(push_constant, binding = 1, std430) uniform Params { uvec2 glow_texture_size; float glow_intensity; - uint glow_level_flags; + uint pad3; uint glow_mode; + float glow_levels[7]; float exposure; float white; float auto_exposure_grey; + uint pad2; vec2 pixel_size; bool use_fxaa; - uint pad; + bool use_debanding; } params; @@ -155,6 +157,10 @@ vec3 tonemap_aces(vec3 color, float white) { } vec3 tonemap_reinhard(vec3 color, float white) { + // Ensure color values are positive. + // They can be negative in the case of negative lights, which leads to undesired behavior. + color = max(vec3(0.0), color); + return (white * color + color) / (color * white + white); } @@ -186,32 +192,32 @@ vec3 apply_tonemapping(vec3 color, float white) { // inputs are LINEAR, always o 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 (params.glow_levels[0] > 0.0001) { + glow += GLOW_TEXTURE_SAMPLE(tex, uv, 0).rgb * params.glow_levels[0]; } - if (bool(params.glow_level_flags & (1 << 1))) { - glow += GLOW_TEXTURE_SAMPLE(tex, uv, 1).rgb; + if (params.glow_levels[1] > 0.0001) { + glow += GLOW_TEXTURE_SAMPLE(tex, uv, 1).rgb * params.glow_levels[1]; } - if (bool(params.glow_level_flags & (1 << 2))) { - glow += GLOW_TEXTURE_SAMPLE(tex, uv, 2).rgb; + if (params.glow_levels[2] > 0.0001) { + glow += GLOW_TEXTURE_SAMPLE(tex, uv, 2).rgb * params.glow_levels[2]; } - if (bool(params.glow_level_flags & (1 << 3))) { - glow += GLOW_TEXTURE_SAMPLE(tex, uv, 3).rgb; + if (params.glow_levels[3] > 0.0001) { + glow += GLOW_TEXTURE_SAMPLE(tex, uv, 3).rgb * params.glow_levels[3]; } - if (bool(params.glow_level_flags & (1 << 4))) { - glow += GLOW_TEXTURE_SAMPLE(tex, uv, 4).rgb; + if (params.glow_levels[4] > 0.0001) { + glow += GLOW_TEXTURE_SAMPLE(tex, uv, 4).rgb * params.glow_levels[4]; } - if (bool(params.glow_level_flags & (1 << 5))) { - glow += GLOW_TEXTURE_SAMPLE(tex, uv, 5).rgb; + if (params.glow_levels[5] > 0.0001) { + glow += GLOW_TEXTURE_SAMPLE(tex, uv, 5).rgb * params.glow_levels[5]; } - if (bool(params.glow_level_flags & (1 << 6))) { - glow += GLOW_TEXTURE_SAMPLE(tex, uv, 6).rgb; + if (params.glow_levels[6] > 0.0001) { + glow += GLOW_TEXTURE_SAMPLE(tex, uv, 6).rgb * params.glow_levels[6]; } return glow; @@ -287,9 +293,8 @@ vec3 do_fxaa(vec3 color, float exposure, vec2 uv_interp) { dir * rcpDirMin)) * params.pixel_size; - vec3 rgbA = 0.5 * (textureLod(source_color, uv_interp + dir * (1.0 / 3.0 - 0.5), 0.0).xyz * exposure + textureLod(source_color, uv_interp + dir * (2.0 / 3.0 - 0.5), 0.0).xyz) * exposure; - vec3 rgbB = rgbA * 0.5 + 0.25 * (textureLod(source_color, uv_interp + dir * -0.5, 0.0).xyz * exposure + - textureLod(source_color, uv_interp + dir * 0.5, 0.0).xyz * exposure); + vec3 rgbA = 0.5 * exposure * (textureLod(source_color, uv_interp + dir * (1.0 / 3.0 - 0.5), 0.0).xyz + textureLod(source_color, uv_interp + dir * (2.0 / 3.0 - 0.5), 0.0).xyz); + vec3 rgbB = rgbA * 0.5 + 0.25 * exposure * (textureLod(source_color, uv_interp + dir * -0.5, 0.0).xyz + textureLod(source_color, uv_interp + dir * 0.5, 0.0).xyz); float lumaB = dot(rgbB, luma); if ((lumaB < lumaMin) || (lumaB > lumaMax)) { @@ -299,6 +304,18 @@ vec3 do_fxaa(vec3 color, float exposure, vec2 uv_interp) { } } +// From http://alex.vlachos.com/graphics/Alex_Vlachos_Advanced_VR_Rendering_GDC2015.pdf +// and https://www.shadertoy.com/view/MslGR8 (5th one starting from the bottom) +// NOTE: `frag_coord` is in pixels (i.e. not normalized UV). +vec3 screen_space_dither(vec2 frag_coord) { + // Iestyn's RGB dither (7 asm instructions) from Portal 2 X360, slightly modified for VR. + vec3 dither = vec3(dot(vec2(171.0, 231.0), frag_coord)); + dither.rgb = fract(dither.rgb / vec3(103.0, 71.0, 97.0)); + + // Subtract 0.5 to avoid slightly brightening the whole viewport. + return (dither.rgb - 0.5) / 255.0; +} + void main() { vec3 color = textureLod(source_color, uv_interp, 0.0f).rgb; @@ -322,6 +339,11 @@ void main() { if (params.use_fxaa) { color = do_fxaa(color, exposure, uv_interp); } + if (params.use_debanding) { + // For best results, debanding should be done before tonemapping. + // Otherwise, we're adding noise to an already-quantized image. + color += screen_space_dither(gl_FragCoord.xy); + } color = apply_tonemapping(color, params.white); color = linear_to_srgb(color); // regular linear -> SRGB conversion |