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author | Joseph Eagar <joeedh@gmail.com> | 2022-11-08 20:13:59 +0300 |
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committer | Joseph Eagar <joeedh@gmail.com> | 2022-11-08 20:13:59 +0300 |
commit | e59ebfef3c583985553e78492cf8cd07bbe7648e (patch) | |
tree | 35f31c3b592f40885baf8d8b078844c92bfbabe7 /source/blender/compositor/realtime_compositor/shaders/library/gpu_shader_compositor_luminance_matte.glsl | |
parent | fe7088c99ff084f7218ab20136d49eb1a1dccd0b (diff) | |
parent | 4c182aef7ce0e8c26dd2b85c1fa2cd45c2ef64ea (diff) |
Merge branch 'master' into temp-sculpt-brush-channeltemp-sculpt-brush-channel
Diffstat (limited to 'source/blender/compositor/realtime_compositor/shaders/library/gpu_shader_compositor_luminance_matte.glsl')
-rw-r--r-- | source/blender/compositor/realtime_compositor/shaders/library/gpu_shader_compositor_luminance_matte.glsl | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/source/blender/compositor/realtime_compositor/shaders/library/gpu_shader_compositor_luminance_matte.glsl b/source/blender/compositor/realtime_compositor/shaders/library/gpu_shader_compositor_luminance_matte.glsl new file mode 100644 index 00000000000..3647ac583fe --- /dev/null +++ b/source/blender/compositor/realtime_compositor/shaders/library/gpu_shader_compositor_luminance_matte.glsl @@ -0,0 +1,14 @@ +#pragma BLENDER_REQUIRE(gpu_shader_common_color_utils.glsl) + +void node_composite_luminance_matte(vec4 color, + float high, + float low, + const vec3 luminance_coefficients, + out vec4 result, + out float matte) +{ + float luminance = get_luminance(color.rgb, luminance_coefficients); + float alpha = clamp(0.0, 1.0, (luminance - low) / (high - low)); + matte = min(alpha, color.a); + result = color * matte; +} |