diff options
Diffstat (limited to 'examples/quick/shadereffects/content/shaders/rhi/shadow.frag')
-rw-r--r-- | examples/quick/shadereffects/content/shaders/rhi/shadow.frag | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/examples/quick/shadereffects/content/shaders/rhi/shadow.frag b/examples/quick/shadereffects/content/shaders/rhi/shadow.frag new file mode 100644 index 0000000000..8247517b6d --- /dev/null +++ b/examples/quick/shadereffects/content/shaders/rhi/shadow.frag @@ -0,0 +1,21 @@ +#version 440 + +layout(location = 0) in vec2 qt_TexCoord0; +layout(location = 0) out vec4 fragColor; + +layout(binding = 1) uniform sampler2D source; +layout(binding = 2) uniform sampler2D shadow; + +layout(std140, binding = 0) uniform buf { + mat4 qt_Matrix; + float qt_Opacity; + float darkness; + vec2 delta; +} ubuf; + +void main() +{ + vec4 fg = texture(source, qt_TexCoord0); + vec4 bg = texture(shadow, qt_TexCoord0 + ubuf.delta); + fragColor = (fg + vec4(0., 0., 0., ubuf.darkness * bg.a) * (1. - fg.a)) * ubuf.qt_Opacity; +} |