Remove HTMLVideoElement.

sky/engine/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 16 matching lines @@
 #include "core/html/canvas/WebGLRenderingContextBase.h"
 
 #include "bindings/core/v8/ExceptionMessages.h"
 #include "bindings/core/v8/ExceptionState.h"
 #include "core/dom/ExceptionCode.h"
 #include "core/fetch/ImageResource.h"
 #include "core/frame/LocalFrame.h"
 #include "core/frame/Settings.h"
 #include "core/html/HTMLCanvasElement.h"
 #include "core/html/HTMLImageElement.h"
-#include "core/html/HTMLVideoElement.h"
 #include "core/html/ImageData.h"
 #include "core/html/canvas/ANGLEInstancedArrays.h"
 #include "core/html/canvas/EXTBlendMinMax.h"
 #include "core/html/canvas/EXTFragDepth.h"
 #include "core/html/canvas/EXTShaderTextureLOD.h"
 #include "core/html/canvas/EXTTextureFilterAnisotropic.h"
 #include "core/html/canvas/OESElementIndexUint.h"
 #include "core/html/canvas/OESStandardDerivatives.h"
 #include "core/html/canvas/OESTextureFloat.h"
 #include "core/html/canvas/OESTextureFloatLinear.h"
@@ skipping 3488 matching lines @@
         }
     }
 
     RefPtr<ImageData> imageData = canvas->getImageData();
     if (imageData)
         texImage2D(target, level, internalformat, format, type, imageData.get(), exceptionState);
     else
         texImage2DImpl(target, level, internalformat, format, type, canvas->copiedImage(), WebGLImageConversion::HtmlDomCanvas, m_unpackFlipY, m_unpackPremultiplyAlpha, exceptionState);
 }
 
-PassRefPtr<Image> WebGLRenderingContextBase::videoFrameToImage(HTMLVideoElement* video, BackingStoreCopy backingStoreCopy)
-{
-    IntSize size(video->videoWidth(), video->videoHeight());
-    ImageBuffer* buf = m_generatedImageCache.imageBuffer(size);
-    if (!buf) {
-        synthesizeGLError(GL_OUT_OF_MEMORY, "texImage2D", "out of memory");
-        return nullptr;
-    }
-    IntRect destRect(0, 0, size.width(), size.height());
-    // FIXME: Turn this into a GPU-GPU texture copy instead of CPU readback.
-    video->paintCurrentFrameInContext(buf->context(), destRect);
-    return buf->copyImage(backingStoreCopy);
-}
-
-void WebGLRenderingContextBase::texImage2D(GLenum target, GLint level, GLenum internalformat,
-    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);
-    if (GL_TEXTURE_2D == target && texture) {
-        if (video->copyVideoTextureToPlatformTexture(webContext(), texture->object(), level, internalformat, type, m_unpackPremultiplyAlpha, m_unpackFlipY)) {
-            texture->setLevelInfo(target, level, internalformat, video->videoWidth(), video->videoHeight(), type);
-            return;
-        }
-    }
-
-    // Normal pure SW path.
-    RefPtr<Image> image = videoFrameToImage(video, ImageBuffer::fastCopyImageMode());
-    if (!image)
-        return;
-    texImage2DImpl(target, level, internalformat, format, type, image.get(), WebGLImageConversion::HtmlDomVideo, m_unpackFlipY, m_unpackPremultiplyAlpha, exceptionState);
-}
-
 void WebGLRenderingContextBase::texParameter(GLenum target, GLenum pname, GLfloat paramf, GLint parami, bool isFloat)
 {
     if (isContextLost())
         return;
     WebGLTexture* tex = validateTextureBinding("texParameter", target, false);
     if (!tex)
         return;
     switch (pname) {
     case GL_TEXTURE_MIN_FILTER:
     case GL_TEXTURE_MAG_FILTER:
@@ skipping 158 matching lines @@
         || !validateTexFunc("texSubImage2D", TexSubImage2D, SourceHTMLCanvasElement, target, level, format, canvas->width(), canvas->height(), 0, format, type, xoffset, yoffset))
         return;
 
     RefPtr<ImageData> imageData = canvas->getImageData();
     if (imageData)
         texSubImage2D(target, level, xoffset, yoffset, format, type, imageData.get(), exceptionState);
     else
         texSubImage2DImpl(target, level, xoffset, yoffset, format, type, canvas->copiedImage(), WebGLImageConversion::HtmlDomCanvas, m_unpackFlipY, m_unpackPremultiplyAlpha, exceptionState);
 }
 
-void WebGLRenderingContextBase::texSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset,
-    GLenum format, GLenum type, HTMLVideoElement* video, ExceptionState& exceptionState)
-{
-    if (isContextLost() || !validateHTMLVideoElement("texSubImage2D", video, exceptionState)
-        || !validateTexFunc("texSubImage2D", TexSubImage2D, SourceHTMLVideoElement, target, level, format, video->videoWidth(), video->videoHeight(), 0, format, type, xoffset, yoffset))
-        return;
-
-    RefPtr<Image> image = videoFrameToImage(video, ImageBuffer::fastCopyImageMode());
-    if (!image)
-        return;
-    texSubImage2DImpl(target, level, xoffset, yoffset, format, type, image.get(), WebGLImageConversion::HtmlDomVideo, m_unpackFlipY, m_unpackPremultiplyAlpha, exceptionState);
-}
-
 void WebGLRenderingContextBase::uniform1f(const WebGLUniformLocation* location, GLfloat x)
 {
     if (isContextLost() || !location)
         return;
 
     if (location->program() != m_currentProgram) {
         synthesizeGLError(GL_INVALID_OPERATION, "uniform1f", "location not for current program");
         return;
     }
 
@@ skipping 1470 matching lines @@
 
 bool WebGLRenderingContextBase::validateHTMLCanvasElement(const char* functionName, HTMLCanvasElement* canvas, ExceptionState& exceptionState)
 {
     if (!canvas || !canvas->buffer()) {
         synthesizeGLError(GL_INVALID_VALUE, functionName, "no canvas");
         return false;
     }
     return true;
 }
 
-bool WebGLRenderingContextBase::validateHTMLVideoElement(const char* functionName, HTMLVideoElement* video, ExceptionState& exceptionState)
-{
-    if (!video || !video->videoWidth() || !video->videoHeight()) {
-        synthesizeGLError(GL_INVALID_VALUE, functionName, "no video");
-        return false;
-    }
-    return true;
-}
-
 bool WebGLRenderingContextBase::validateDrawArrays(const char* functionName, GLenum mode, GLint first, GLsizei count)
 {
     if (isContextLost() || !validateDrawMode(functionName, mode))
         return false;
 
     if (!validateStencilSettings(functionName))
         return false;
 
     if (first < 0 || count < 0) {
         synthesizeGLError(GL_INVALID_VALUE, functionName, "first or count < 0");
@@ skipping 456 matching lines @@
     return m_sharedWebGraphicsContext3D ? m_sharedWebGraphicsContext3D->drawingBuffer() : 0;
 }
 #else
 DrawingBuffer* WebGLRenderingContextBase::drawingBuffer() const
 {
     return m_drawingBuffer.get();
 }
 #endif
 
 } // namespace blink