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Diffstat (limited to 'src/effects/shaders_ng/lineargradient.vert')
-rw-r--r-- | src/effects/shaders_ng/lineargradient.vert | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/src/effects/shaders_ng/lineargradient.vert b/src/effects/shaders_ng/lineargradient.vert new file mode 100644 index 0000000..cd8f8a8 --- /dev/null +++ b/src/effects/shaders_ng/lineargradient.vert @@ -0,0 +1,31 @@ +#version 440 + +layout(location = 0) in vec4 qt_Vertex; +layout(location = 1) in vec2 qt_MultiTexCoord0; + +layout(location = 0) out vec2 qt_TexCoord0; +layout(location = 1) out vec2 qt_TexCoord1; + +layout(std140, binding = 0) uniform buf { + mat4 qt_Matrix; + float qt_Opacity; + vec2 startPoint; + vec2 matrixData; + float l; +}; + +out gl_PerVertex { vec4 gl_Position; }; + +void main() +{ + mat2 rot = mat2(matrixData.y, -matrixData.x, + matrixData.x, matrixData.y); + + qt_TexCoord0 = qt_MultiTexCoord0; + + qt_TexCoord1 = qt_MultiTexCoord0 * l; + qt_TexCoord1 -= startPoint * l; + qt_TexCoord1 *= rot; + + gl_Position = qt_Matrix * qt_Vertex; +} |