mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-14 05:12:09 +00:00
37 lines
881 B
GLSL
37 lines
881 B
GLSL
#version 440
|
|
|
|
layout(location = 0) in vec2 vTexCoord;
|
|
|
|
layout(location = 0) out vec4 fragColor;
|
|
|
|
layout(std140, binding = 0) uniform buf {
|
|
mat4 qt_Matrix;
|
|
ivec4 swizzle;
|
|
mat4 color_matrix;
|
|
float qt_Opacity;
|
|
} ubuf;
|
|
|
|
layout(binding = 1) uniform sampler2D Ytex;
|
|
layout(binding = 2) uniform sampler2D Utex;
|
|
layout(binding = 3) uniform sampler2D Vtex;
|
|
|
|
vec4 swizzle(in vec4 texel, in ivec4 swizzle) {
|
|
return vec4(texel[swizzle[0]], texel[swizzle[1]], texel[swizzle[2]], texel[swizzle[3]]);
|
|
}
|
|
|
|
vec4 yuva_to_rgba(in vec4 yuva, in mat4 color_matrix) {
|
|
return yuva * color_matrix;
|
|
}
|
|
|
|
void main()
|
|
{
|
|
vec4 yuva;
|
|
yuva.x = texture(Ytex, vTexCoord).r;
|
|
yuva.y = texture(Utex, vTexCoord).r;
|
|
yuva.z = texture(Vtex, vTexCoord).r;
|
|
yuva.a = 1.0;
|
|
yuva = swizzle(yuva, ubuf.swizzle);
|
|
vec4 rgba = yuva_to_rgba (yuva, ubuf.color_matrix);
|
|
fragColor = rgba * ubuf.qt_Opacity;
|
|
}
|
|
|