diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/gpu/gl/GrGLContext.cpp | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/gpu/gl/GrGLContext.cpp b/src/gpu/gl/GrGLContext.cpp index ffbae86bc9..a2a5a3b130 100644 --- a/src/gpu/gl/GrGLContext.cpp +++ b/src/gpu/gl/GrGLContext.cpp @@ -53,6 +53,21 @@ std::unique_ptr<GrGLContext> GrGLContext::Make(sk_sp<const GrGLInterface> interf args.fGLSLGeneration = k110_GrGLSLGeneration; } + // Many ES3 drivers only advertise the ES2 image_external extension, but support the _essl3 + // extension, and require that it be enabled to work with ESSL3. Other devices require the ES2 + // extension to be enabled, even when using ESSL3. Some devices appear to only support the ES2 + // extension. As an extreme (optional) solution, we can fallback to using ES2 shading language + // if we want to prioritize external texture support. skbug.com/7713 + if (kGLES_GrGLStandard == interface->fStandard && + options.fPreferExternalImagesOverES3 && + !options.fDisableDriverCorrectnessWorkarounds && + interface->hasExtension("GL_OES_EGL_image_external") && + args.fGLSLGeneration >= k330_GrGLSLGeneration && + !interface->hasExtension("GL_OES_EGL_image_external_essl3") && + !interface->hasExtension("OES_EGL_image_external_essl3")) { + args.fGLSLGeneration = k110_GrGLSLGeneration; + } + GrGLGetDriverInfo(interface->fStandard, args.fVendor, renderer, ver, &args.fDriver, &args.fDriverVersion); |