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Diffstat (limited to 'source/blender/gpu/shaders/material/gpu_shader_material_rgb_curves.glsl')
-rw-r--r--source/blender/gpu/shaders/material/gpu_shader_material_rgb_curves.glsl73
1 files changed, 0 insertions, 73 deletions
diff --git a/source/blender/gpu/shaders/material/gpu_shader_material_rgb_curves.glsl b/source/blender/gpu/shaders/material/gpu_shader_material_rgb_curves.glsl
deleted file mode 100644
index 054fdddf7c3..00000000000
--- a/source/blender/gpu/shaders/material/gpu_shader_material_rgb_curves.glsl
+++ /dev/null
@@ -1,73 +0,0 @@
-/* ext is vec4(in_x, in_dy, out_x, out_dy). */
-float curve_extrapolate(float x, float y, vec4 ext)
-{
- if (x < 0.0) {
- return y + x * ext.y;
- }
- else if (x > 1.0) {
- return y + (x - 1.0) * ext.w;
- }
- else {
- return y;
- }
-}
-
-#define RANGE_RESCALE(x, min, range) ((x - min) * range)
-
-void curves_rgb(float fac,
- vec4 col,
- sampler1DArray curvemap,
- float layer,
- vec4 range,
- vec4 ext_r,
- vec4 ext_g,
- vec4 ext_b,
- vec4 ext_a,
- out vec4 outcol)
-{
- vec4 co = vec4(RANGE_RESCALE(col.rgb, ext_a.x, range.a), layer);
- vec3 samp;
- samp.r = texture(curvemap, co.xw).a;
- samp.g = texture(curvemap, co.yw).a;
- samp.b = texture(curvemap, co.zw).a;
-
- samp.r = curve_extrapolate(co.x, samp.r, ext_a);
- samp.g = curve_extrapolate(co.y, samp.g, ext_a);
- samp.b = curve_extrapolate(co.z, samp.b, ext_a);
-
- vec3 rgb_min = vec3(ext_r.x, ext_g.x, ext_b.x);
- co.xyz = RANGE_RESCALE(samp.rgb, rgb_min, range.rgb);
-
- samp.r = texture(curvemap, co.xw).r;
- samp.g = texture(curvemap, co.yw).g;
- samp.b = texture(curvemap, co.zw).b;
-
- outcol.r = curve_extrapolate(co.x, samp.r, ext_r);
- outcol.g = curve_extrapolate(co.y, samp.g, ext_g);
- outcol.b = curve_extrapolate(co.z, samp.b, ext_b);
- outcol.a = col.a;
-
- outcol = mix(col, outcol, fac);
-}
-
-void curves_rgb_opti(float fac,
- vec4 col,
- sampler1DArray curvemap,
- float layer,
- vec4 range,
- vec4 ext_a,
- out vec4 outcol)
-{
- vec4 co = vec4(RANGE_RESCALE(col.rgb, ext_a.x, range.a), layer);
- vec3 samp;
- samp.r = texture(curvemap, co.xw).a;
- samp.g = texture(curvemap, co.yw).a;
- samp.b = texture(curvemap, co.zw).a;
-
- outcol.r = curve_extrapolate(co.x, samp.r, ext_a);
- outcol.g = curve_extrapolate(co.y, samp.g, ext_a);
- outcol.b = curve_extrapolate(co.z, samp.b, ext_a);
- outcol.a = col.a;
-
- outcol = mix(col, outcol, fac);
-}