diff options
Diffstat (limited to 'src/effects/shaders_ng/fastglow.frag')
-rw-r--r-- | src/effects/shaders_ng/fastglow.frag | 40 |
1 files changed, 0 insertions, 40 deletions
diff --git a/src/effects/shaders_ng/fastglow.frag b/src/effects/shaders_ng/fastglow.frag deleted file mode 100644 index fa19239..0000000 --- a/src/effects/shaders_ng/fastglow.frag +++ /dev/null @@ -1,40 +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; - vec4 color; - float spread; - float weight1; - float weight2; - float weight3; - float weight4; - float weight5; -}; - -layout(binding = 1) uniform sampler2D source1; -layout(binding = 2) uniform sampler2D source2; -layout(binding = 3) uniform sampler2D source3; -layout(binding = 4) uniform sampler2D source4; -layout(binding = 5) uniform sampler2D source5; - -float linearstep(float e0, float e1, float x) -{ - return clamp((x - e0) / (e1 - e0), 0.0, 1.0); -} - -void main() -{ - vec4 sourceColor = texture(source1, qt_TexCoord0) * weight1; - sourceColor += texture(source2, qt_TexCoord0) * weight2; - sourceColor += texture(source3, qt_TexCoord0) * weight3; - sourceColor += texture(source4, qt_TexCoord0) * weight4; - sourceColor += texture(source5, qt_TexCoord0) * weight5; - sourceColor = mix(vec4(0), color, linearstep(0.0, spread, sourceColor.a)); - fragColor = sourceColor * qt_Opacity; -} |