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Diffstat (limited to 'src/gui/painting/shaders/backingstorecompose.frag')
-rw-r--r-- | src/gui/painting/shaders/backingstorecompose.frag | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/gui/painting/shaders/backingstorecompose.frag b/src/gui/painting/shaders/backingstorecompose.frag new file mode 100644 index 0000000000..3b08ade035 --- /dev/null +++ b/src/gui/painting/shaders/backingstorecompose.frag @@ -0,0 +1,25 @@ +#version 440 + +layout(location = 0) in vec2 v_texcoord; +layout(location = 0) out vec4 fragColor; + +layout(std140, binding = 0) uniform buf { + mat4 vertexTransform; + mat3 textureTransform; + float opacity; + int textureSwizzle; +}; + +layout(binding = 1) uniform sampler2D textureSampler; + +void main() +{ + vec4 tmpFragColor = texture(textureSampler, v_texcoord); + tmpFragColor.a *= opacity; + if (textureSwizzle == 0) + fragColor = tmpFragColor; + else if(textureSwizzle == 2) + fragColor.argb = tmpFragColor; + else + fragColor.bgra = tmpFragColor; +} |