diff options
Diffstat (limited to 'src/effects/shaders_ng/gammaadjust.frag')
-rw-r--r-- | src/effects/shaders_ng/gammaadjust.frag | 22 |
1 files changed, 0 insertions, 22 deletions
diff --git a/src/effects/shaders_ng/gammaadjust.frag b/src/effects/shaders_ng/gammaadjust.frag deleted file mode 100644 index 0a1175a..0000000 --- a/src/effects/shaders_ng/gammaadjust.frag +++ /dev/null @@ -1,22 +0,0 @@ -#version 440 - -layout(location = 0) in vec2 qt_TexCoord0; -layout(location = 0) out vec4 fragColor; - -layout(std140, binding = 0) uniform buf { - // qt_Matrix and qt_Opacity must always be both present - // if the built-in vertex shader is used. - mat4 qt_Matrix; - float qt_Opacity; - float gamma; -}; - -layout(binding = 1) uniform sampler2D source; - -void main() -{ - vec4 originalColor = texture(source, qt_TexCoord0.st); - originalColor.rgb = originalColor.rgb / max(1.0/256.0, originalColor.a); - vec3 adjustedColor = pow(originalColor.rgb, vec3(gamma)); - fragColor = vec4(adjustedColor * originalColor.a, originalColor.a) * qt_Opacity; -} |