webgl video

gistfile1.txt

+++ b/third_party/WebKit/Source/modules/webgl/WebGLRenderingContextBase.cpp
@@ -4266,30 +4266,30 @@ void WebGLRenderingContextBase::texImage2D(GLenum target, GLint level, GLint int
 
     // Go through the fast path doing a GPU-GPU textures copy without a readback to system memory if possible.
     // Otherwise, it will fall back to the normal SW path.
-    if (GL_TEXTURE_2D == target) {
-        if (Extensions3DUtil::canUseCopyTextureCHROMIUM(target, internalformat, type, level)
-            && video->copyVideoTextureToPlatformTexture(contextGL(), texture->object(), internalformat, type, m_unpackPremultiplyAlpha, m_unpackFlipY)) {
-            return;
-        }
-
-        // Try using an accelerated image buffer, this allows YUV conversion to be done on the GPU.
-        OwnPtr<ImageBufferSurface> surface = adoptPtr(new AcceleratedImageBufferSurface(IntSize(video->videoWidth(), video->videoHeight())));
-        if (surface->isValid()) {
-            OwnPtr<ImageBuffer> imageBuffer(ImageBuffer::create(std::move(surface)));
-            if (imageBuffer) {
-                // The video element paints an RGBA frame into our surface here. By using an AcceleratedImageBufferSurface,
-                // we enable the WebMediaPlayer implementation to do any necessary color space conversion on the GPU (though it
-                // may still do a CPU conversion and upload the results).
-                video->paintCurrentFrame(imageBuffer->canvas(), IntRect(0, 0, video->videoWidth(), video->videoHeight()), nullptr);
-
-                // This is a straight GPU-GPU copy, any necessary color space conversion was handled in the paintCurrentFrameInContext() call.
-                if (imageBuffer->copyToPlatformTexture(contextGL(), texture->object(), internalformat, type,
-                    level, m_unpackPremultiplyAlpha, m_unpackFlipY)) {
-                    return;
-                }
-            }
-        }
-    }
+//    if (GL_TEXTURE_2D == target) {
+//        if (Extensions3DUtil::canUseCopyTextureCHROMIUM(target, internalformat, type, level)
+//            && video->copyVideoTextureToPlatformTexture(contextGL(), texture->object(), internalformat, type, m_unpackPremultiplyAlpha, m_unpackFlipY)) {
+//            return;
+//        }
+//
+//        // Try using an accelerated image buffer, this allows YUV conversion to be done on the GPU.
+//        OwnPtr<ImageBufferSurface> surface = adoptPtr(new AcceleratedImageBufferSurface(IntSize(video->videoWidth(), video->videoHeight())));
+//        if (surface->isValid()) {
+//            OwnPtr<ImageBuffer> imageBuffer(ImageBuffer::create(std::move(surface)));
+//            if (imageBuffer) {
+//                // The video element paints an RGBA frame into our surface here. By using an AcceleratedImageBufferSurface,
+//                // we enable the WebMediaPlayer implementation to do any necessary color space conversion on the GPU (though it
+//                // may still do a CPU conversion and upload the results).
+//                video->paintCurrentFrame(imageBuffer->canvas(), IntRect(0, 0, video->videoWidth(), video->videoHeight()), nullptr);
+//
+//                // This is a straight GPU-GPU copy, any necessary color space conversion was handled in the paintCurrentFrameInContext() call.
+//                if (imageBuffer->copyToPlatformTexture(contextGL(), texture->object(), internalformat, type,
+//                    level, m_unpackPremultiplyAlpha, m_unpackFlipY)) {
+//                    return;
+//                }
+//            }
+//        }
+//    }
 
     // Normal pure SW path.