diff options
Diffstat (limited to 'examples/quick/embeddedinwidgets/reflect.frag')
-rw-r--r-- | examples/quick/embeddedinwidgets/reflect.frag | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/examples/quick/embeddedinwidgets/reflect.frag b/examples/quick/embeddedinwidgets/reflect.frag new file mode 100644 index 0000000000..04a81f86e5 --- /dev/null +++ b/examples/quick/embeddedinwidgets/reflect.frag @@ -0,0 +1,22 @@ +#version 440 + +layout(location = 0) in vec2 qt_TexCoord0; +layout(location = 0) out vec4 fragColor; + +layout(binding = 1) uniform sampler2D source; + +layout(std140, binding = 0) uniform buf { + mat4 qt_Matrix; + float qt_Opacity; + vec2 sourceSize; +}; + +void main() +{ + vec2 tc = qt_TexCoord0 * vec2(1, -1) + vec2(0, 1); + vec4 col = 0.25 * (texture(source, tc + sourceSize) + + texture(source, tc- sourceSize) + + texture(source, tc + sourceSize * vec2(1, -1)) + + texture(source, tc + sourceSize * vec2(-1, 1))); + fragColor = col * qt_Opacity * (1.0 - qt_TexCoord0.y) * 0.2; +} |