WebGL & 16-bit video stream: upload to FLOAT texture.

third_party/WebKit/Source/modules/webgl/WebGLRenderingContextBase.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 597 matching lines @@
   friend class WebGLCompressedTexturePVRTC;
   friend class WebGLCompressedTextureS3TC;
   friend class WebGLCompressedTextureS3TCsRGB;
   friend class WebGLRenderingContextErrorMessageCallback;
   friend class WebGLVertexArrayObjectBase;
   friend class ScopedDrawingBufferBinder;
   friend class ScopedTexture2DRestorer;
   friend class ScopedFramebufferRestorer;
   // To allow V8WebGL[2]RenderingContext to call visitChildDOMWrappers.
   friend class V8WebGLRenderingContext;
+  friend class ScopedUnpackParametersResetRestore;
 
   WebGLRenderingContextBase(HTMLCanvasElement*,
                             std::unique_ptr<WebGraphicsContext3DProvider>,
                             const CanvasContextCreationAttributes&,
                             unsigned);
   WebGLRenderingContextBase(OffscreenCanvas*,
                             std::unique_ptr<WebGraphicsContext3DProvider>,
                             const CanvasContextCreationAttributes&,
                             unsigned);
   PassRefPtr<DrawingBuffer> createDrawingBuffer(
@@ skipping 351 matching lines @@
 
   // Convert texture internal format.
   GLenum convertTexInternalFormat(GLenum internalformat, GLenum type);
 
   enum TexImageFunctionType {
     TexImage,
     TexSubImage,
     CopyTexImage,
     CompressedTexImage
   };
+
+  // This must stay in sync with WebMediaPlayer::TexImageFunctionID.
   enum TexImageFunctionID {
     TexImage2D,
     TexSubImage2D,
     TexImage3D,
     TexSubImage3D
   };
   enum TexImageByGPUType {
     TexImage2DByGPU,
     TexSubImage2DByGPU,
     TexSubImage3DByGPU
@@ skipping 669 matching lines @@
                   context,
                   context->is3d(),
                   context.is3d());
 
 }  // namespace blink
 
 WTF_ALLOW_MOVE_INIT_AND_COMPARE_WITH_MEM_FUNCTIONS(
     blink::WebGLRenderingContextBase::TextureUnitState);
 
 #endif  // WebGLRenderingContextBase_h