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Issue #2101 - Part 7: Add color range support on GPUs

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u3shit 2023-02-25 00:29:56 +01:00 • committed by roytam1
commit 687733f9d1
18 changed files with 106 additions and 74 deletions
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14
gfx/gl/GLBlitHelper.cpp
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@ -171,18 +171,14 @@ GLBlitHelper::InitTexQuadProgram(BlitType target)
uniform sampler2D uCrTexture; \n\
uniform vec2 uYTexScale; \n\
uniform vec2 uCbCrTexScale; \n\
uniform mat3 uYuvColorMatrix; \n\
uniform mat4 uYuvColorMatrix; \n\
void main() \n\
{ \n\
float y = texture2D(uYTexture, vTexCoord * uYTexScale).r; \n\
float cb = texture2D(uCbTexture, vTexCoord * uCbCrTexScale).r; \n\
float cr = texture2D(uCrTexture, vTexCoord * uCbCrTexScale).r; \n\
y = y - 0.06275; \n\
cb = cb - 0.50196; \n\
cr = cr - 0.50196; \n\
vec3 yuv = vec3(y, cb, cr); \n\
gl_FragColor.rgb = uYuvColorMatrix * yuv; \n\
gl_FragColor.a = 1.0; \n\
vec4 yuv = vec4(y, cb, cr, 1.0); \n\
gl_FragColor = uYuvColorMatrix * yuv; \n\
} \n\
";
@ -667,8 +663,8 @@ GLBlitHelper::BlitPlanarYCbCrImage(layers::PlanarYCbCrImage* yuvImage)
mGL->fUniform2f(mCbCrTexScaleLoc, (float)yuvData->mCbCrSize.width/yuvData->mCbCrStride, 1.0f);
}
const float* yuvToRgb = gfxUtils::Get3x3YuvColorMatrix(yuvData->mYUVColorSpace);
mGL->fUniformMatrix3fv(mYuvColorMatrixLoc, 1, 0, yuvToRgb);
const float* yuvToRgb = gfxUtils::YuvToRgbMatrix4x4ColumnMajor(yuvData->mYUVColorSpace, yuvData->mColorRange);
mGL->fUniformMatrix4fv(mYuvColorMatrixLoc, 1, 0, yuvToRgb);
mGL->fDrawArrays(LOCAL_GL_TRIANGLE_STRIP, 0, 4);
for (int i = 0; i < 3; i++) {