| // Reference: qgsvideonode_yuv.cpp:387 to 398 | |
| uniform sampler2D yTexture; // Y component passed as GL_LUMINANCE_ALPHA, in yuyv Y = r | |
| uniform sampler2D uvTexture; // UV component passed as RGBA macropixel, in yuyv U = g, V = a | |
| uniform mediump mat4 colorMatrix; | |
| uniform lowp float opacity; | |
| varying highp vec2 qt_TexCoord; | |
| void main() | |
| { | |
| mediump vec3 YUV = vec3(texture2D(yTexture, qt_TexCoord).r, texture2D(uvTexture, qt_TexCoord).ga); | |
| gl_FragColor = colorMatrix * vec4(YUV, 1.0) * opacity; | |
| } |