remove |level| in copyVideoTextureToPlatformTexture().

Source/core/html/canvas/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 3808 matching lines @@
     GLint level, GLenum internalformat, GLenum type, GLint xoffset, GLint yoffset, HTMLCanvasElement* canvas)
 {
     ScopedTexture2DRestorer restorer(this);
 
     Platform3DObject targetTexture = texture->object();
     GLenum targetType = type;
     GLenum targetInternalformat = internalformat;
     GLint targetLevel = level;
     bool possibleDirectCopy = false;
     if (functionType == NotTexSubImage2D) {
-        possibleDirectCopy = GL_TEXTURE_2D == target && Extensions3DUtil::canUseCopyTextureCHROMIUM(internalformat, type, level);
+        possibleDirectCopy = Extensions3DUtil::canUseCopyTextureCHROMIUM(target, internalformat, type, level);
     } else if (functionType == TexSubImage2D) {
         possibleDirectCopy = false;
     }
     // if direct copy is not possible, create a temporary texture and then copy from canvas to temporary texture to target texture.
     if (!possibleDirectCopy) {
         targetLevel = 0;
         targetInternalformat = GL_RGBA;
         targetType = GL_UNSIGNED_BYTE;
         targetTexture = webContext()->createTexture();
         webContext()->bindTexture(GL_TEXTURE_2D, targetTexture);
@@ skipping 76 matching lines @@
     GLenum format, GLenum type, HTMLVideoElement* video, ExceptionState& exceptionState)
 {
     if (isContextLost() || !validateHTMLVideoElement("texImage2D", video, exceptionState)
         || !validateTexFunc("texImage2D", NotTexSubImage2D, SourceHTMLVideoElement, target, level, internalformat, video->videoWidth(), video->videoHeight(), 0, format, type, 0, 0))
         return;
 
     // 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.
     WebGLTexture* texture = validateTextureBinding("texImage2D", target, true);
     ASSERT(texture);
-    if (GL_TEXTURE_2D == target) {
-        if (video->copyVideoTextureToPlatformTexture(webContext(), texture->object(), level, internalformat, type, m_unpackPremultiplyAlpha, m_unpackFlipY)) {
+    if (Extensions3DUtil::canUseCopyTextureCHROMIUM(target, internalformat, type, level)) {
+        if (video->copyVideoTextureToPlatformTexture(webContext(), texture->object(), internalformat, type, m_unpackPremultiplyAlpha, m_unpackFlipY)) {
             texture->setLevelInfo(target, level, internalformat, video->videoWidth(), video->videoHeight(), 1, type);
             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(surface.release()));
             if (imageBuffer) {
                 // The video element paints an RGBA frame into our surface here. By using an AcceleratedImageBufferSurface,
@@ skipping 2273 matching lines @@
 
     return totalBytesPerPixel;
 }
 
 DrawingBuffer* WebGLRenderingContextBase::drawingBuffer() const
 {
     return m_drawingBuffer.get();
 }
 
 } // namespace blink