Prototype HTMLVideoElement properties for WebGL texImage2D

third_party/WebKit/Source/modules/webgl/WebGLRenderingContextBase.cpp

 /*
  * Copyright (C) 2009 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 5275 matching lines @@
     // Note that neither
     // HTMLVideoElement::copyVideoTextureToPlatformTexture nor
     // ImageBuffer::copyToPlatformTexture allocate the destination texture
     // any more.
     texImage2DBase(target, level, internalformat, video->videoWidth(),
                    video->videoHeight(), 0, format, type, nullptr);
 
     if (video->copyVideoTextureToPlatformTexture(contextGL(), texture->object(),
                                                  m_unpackPremultiplyAlpha,
                                                  m_unpackFlipY)) {
+      texture->updateLastUploadedVideo(video->webMediaPlayer());
       return;
     }
 
     // Try using an accelerated image buffer, this allows YUV conversion to be
     // done on the GPU.
     std::unique_ptr<ImageBufferSurface> surface =
         WTF::wrapUnique(new AcceleratedImageBufferSurface(
             IntSize(video->videoWidth(), video->videoHeight())));
     if (surface->isValid()) {
       std::unique_ptr<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(
                 functionIDToSnapshotReason(functionID), contextGL(),
                 texture->object(), internalformat, type, level,
                 m_unpackPremultiplyAlpha, m_unpackFlipY, IntPoint(0, 0),
                 IntRect(0, 0, video->videoWidth(), video->videoHeight()))) {
+          texture->updateLastUploadedVideo(video->webMediaPlayer());
           return;
         }
       }
     }
   }
 
   if (sourceImageRectIsDefault) {
     // Try using optimized CPU-GPU path for some formats: e.g. Y16 and Y8. It
     // leaves early for other formats or if frame is stored on GPU.
     ScopedUnpackParametersResetRestore(
         this, m_unpackFlipY || m_unpackPremultiplyAlpha);
     if (video->texImageImpl(
             static_cast<WebMediaPlayer::TexImageFunctionID>(functionID), target,
             contextGL(), level, convertTexInternalFormat(internalformat, type),
             format, type, xoffset, yoffset, zoffset, m_unpackFlipY,
             m_unpackPremultiplyAlpha &&
-                m_unpackColorspaceConversion == GL_NONE))
+                m_unpackColorspaceConversion == GL_NONE)) {
+      texture->updateLastUploadedVideo(video->webMediaPlayer());
       return;
+    }
   }
 
   RefPtr<Image> image = videoFrameToImage(video);
   if (!image)
     return;
   texImageImpl(functionID, target, level, internalformat, xoffset, yoffset,
                zoffset, format, type, image.get(),
                WebGLImageConversion::HtmlDomVideo, m_unpackFlipY,
                m_unpackPremultiplyAlpha, sourceImageRect, depth,
                unpackImageHeight);
+  texture->updateLastUploadedVideo(video->webMediaPlayer());
 }
 
 void WebGLRenderingContextBase::texImageBitmapByGPU(ImageBitmap* bitmap,
                                                     GLuint targetTexture,
                                                     GLenum targetInternalformat,
                                                     GLenum targetType,
                                                     GLint targetLevel,
                                                     bool flipY) {
   bitmap->bitmapImage()->copyToTexture(drawingBuffer()->contextProvider(),
                                        targetTexture, targetInternalformat,
@@ skipping 2483 matching lines @@
 
 void WebGLRenderingContextBase::getHTMLOrOffscreenCanvas(
     HTMLCanvasElementOrOffscreenCanvas& result) const {
   if (canvas())
     result.setHTMLCanvasElement(canvas());
   else
     result.setOffscreenCanvas(offscreenCanvas());
 }
 
 }  // namespace blink