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-rw-r--r--servers/rendering/rasterizer_rd/shaders/blur.glsl294
1 files changed, 0 insertions, 294 deletions
diff --git a/servers/rendering/rasterizer_rd/shaders/blur.glsl b/servers/rendering/rasterizer_rd/shaders/blur.glsl
deleted file mode 100644
index 87c20ebaef..0000000000
--- a/servers/rendering/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
-}
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