diff options
Diffstat (limited to 'src/gpu/gl/GrGpuGL.cpp')
-rw-r--r-- | src/gpu/gl/GrGpuGL.cpp | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/src/gpu/gl/GrGpuGL.cpp b/src/gpu/gl/GrGpuGL.cpp index 035ef3bb1b..0c47060e4f 100644 --- a/src/gpu/gl/GrGpuGL.cpp +++ b/src/gpu/gl/GrGpuGL.cpp @@ -266,21 +266,28 @@ void GrGpuGL::fillInConfigRenderableTable() { } namespace { -GrPixelConfig preferred_pixel_ops_config(GrPixelConfig config) { - if (GR_GL_RGBA_8888_PIXEL_OPS_SLOW && kRGBA_8888_GrPixelConfig == config) { +GrPixelConfig preferred_pixel_ops_config(GrPixelConfig cpuConfig, GrPixelConfig surfaceConfig) { + if (GR_GL_RGBA_8888_PIXEL_OPS_SLOW && kRGBA_8888_GrPixelConfig == cpuConfig) { return kBGRA_8888_GrPixelConfig; + } else if (GrBytesPerPixel(cpuConfig) == 4 && + GrPixelConfigSwapRAndB(cpuConfig) == surfaceConfig) { + // Mesa 3D takes a slow path on when reading back BGRA from an RGBA surface and vice-versa. + // Perhaps this should be guarded by some compiletime or runtime check. + return surfaceConfig; } else { - return config; + return cpuConfig; } } } -GrPixelConfig GrGpuGL::preferredReadPixelsConfig(GrPixelConfig config) const { - return preferred_pixel_ops_config(config); +GrPixelConfig GrGpuGL::preferredReadPixelsConfig(GrPixelConfig readConfig, + GrPixelConfig surfaceConfig) const { + return preferred_pixel_ops_config(readConfig, surfaceConfig); } -GrPixelConfig GrGpuGL::preferredWritePixelsConfig(GrPixelConfig config) const { - return preferred_pixel_ops_config(config); +GrPixelConfig GrGpuGL::preferredWritePixelsConfig(GrPixelConfig writeConfig, + GrPixelConfig surfaceConfig) const { + return preferred_pixel_ops_config(writeConfig, surfaceConfig); } bool GrGpuGL::canWriteTexturePixels(const GrTexture* texture, GrPixelConfig srcConfig) const { |