Implement OES_texture_float_linear and OES_texture_half_float_linear extensions in WebGL.

Source/core/html/canvas/WebGLRenderingContext.h

 /*
  * 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 35 matching lines @@
 class EXTDrawBuffers;
 class EXTTextureFilterAnisotropic;
 class HTMLImageElement;
 class HTMLVideoElement;
 class ImageBuffer;
 class ImageData;
 class IntSize;
 class OESStandardDerivatives;
 class OESTextureFloat;
 class OESTextureHalfFloat;
+class OESTextureFloatLinear;
+class OESTextureHalfFloatLinear;
 class OESVertexArrayObject;
 class OESElementIndexUint;
 class WebGLActiveInfo;
 class WebGLBuffer;
 class WebGLContextGroup;
 class WebGLContextObject;
 class WebGLCompressedTextureATC;
 class WebGLCompressedTexturePVRTC;
 class WebGLCompressedTextureS3TC;
 class WebGLContextAttributes;
@@ skipping 450 matching lines @@
     bool m_isDepthStencilSupported;
     bool m_isRobustnessEXTSupported;
 
     bool m_synthesizedErrorsToConsole;
     int m_numGLErrorsToConsoleAllowed;
 
     // Enabled extension objects.
     OwnPtr<EXTDrawBuffers> m_extDrawBuffers;
     OwnPtr<EXTTextureFilterAnisotropic> m_extTextureFilterAnisotropic;
     OwnPtr<OESTextureFloat> m_oesTextureFloat;
+    OwnPtr<OESTextureFloatLinear> m_oesTextureFloatLinear;
     OwnPtr<OESTextureHalfFloat> m_oesTextureHalfFloat;
+    OwnPtr<OESTextureHalfFloatLinear> m_oesTextureHalfFloatLinear;
     OwnPtr<OESStandardDerivatives> m_oesStandardDerivatives;
     OwnPtr<OESVertexArrayObject> m_oesVertexArrayObject;
     OwnPtr<OESElementIndexUint> m_oesElementIndexUint;
     OwnPtr<WebGLLoseContext> m_webglLoseContext;
     OwnPtr<WebGLDebugRendererInfo> m_webglDebugRendererInfo;
     OwnPtr<WebGLDebugShaders> m_webglDebugShaders;
     OwnPtr<WebGLCompressedTextureATC> m_webglCompressedTextureATC;
     OwnPtr<WebGLCompressedTexturePVRTC> m_webglCompressedTexturePVRTC;
     OwnPtr<WebGLCompressedTextureS3TC> m_webglCompressedTextureS3TC;
     OwnPtr<WebGLDepthTexture> m_webglDepthTexture;
@@ skipping 16 matching lines @@
     bool clearIfComposited(GC3Dbitfield clearMask = 0);
 
     // Helper to restore state that clearing the framebuffer may destroy.
     void restoreStateAfterClear();
 
     void texImage2DBase(GC3Denum target, GC3Dint level, GC3Denum internalformat, GC3Dsizei width, GC3Dsizei height, GC3Dint border, GC3Denum format, GC3Denum type, const void* pixels, ExceptionCode&);
     void texImage2DImpl(GC3Denum target, GC3Dint level, GC3Denum internalformat, GC3Denum format, GC3Denum type, Image*, GraphicsContext3D::ImageHtmlDomSource, bool flipY, bool premultiplyAlpha, ExceptionCode&);
     void texSubImage2DBase(GC3Denum target, GC3Dint level, GC3Dint xoffset, GC3Dint yoffset, GC3Dsizei width, GC3Dsizei height, GC3Denum format, GC3Denum type, const void* pixels, ExceptionCode&);
     void texSubImage2DImpl(GC3Denum target, GC3Dint level, GC3Dint xoffset, GC3Dint yoffset, GC3Denum format, GC3Denum type, Image*, GraphicsContext3D::ImageHtmlDomSource, bool flipY, bool premultiplyAlpha, ExceptionCode&);
 
-    void handleNPOTTextures(const char*, bool);
-
+    void handleTextureCompleteness(const char*, bool);
     void createFallbackBlackTextures1x1();
 
     // Helper function for copyTex{Sub}Image, check whether the internalformat
     // and the color buffer format of the current bound framebuffer combination
     // is valid.
     bool isTexInternalFormatColorBufferCombinationValid(GC3Denum texInternalFormat,
                                                         GC3Denum colorBufferFormat);
 
     // Helper function to get the bound framebuffer's color buffer format.
     GC3Denum getBoundFramebufferColorFormat();
@@ skipping 212 matching lines @@
     static void activateContext(WebGLRenderingContext*);
     static void deactivateContext(WebGLRenderingContext*, bool addToInactiveList);
     static void willDestroyContext(WebGLRenderingContext*);
     static void forciblyLoseOldestContext(const String& reason);
     static IntSize oldestContextSize();
 };
 
 } // namespace WebCore
 
 #endif