Part 8 of cc/ directory shuffles: resources

cc/platform_color.h

-// Copyright 2011 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef CC_PLATFORM_COLOR_H_
-#define CC_PLATFORM_COLOR_H_
-
-#include "third_party/WebKit/Source/Platform/chromium/public/WebGraphicsContext3D.h"
-#include "third_party/khronos/GLES2/gl2.h"
-#include "third_party/khronos/GLES2/gl2ext.h"
-#include "third_party/skia/include/core/SkTypes.h"
-
-namespace cc {
-
-class PlatformColor {
- public:
-  enum SourceDataFormat {
-    SOURCE_FORMAT_RGBA8,
-    SOURCE_FORMAT_BGRA8
-  };
-
-  static SourceDataFormat Format() {
-    return SK_B32_SHIFT ? SOURCE_FORMAT_RGBA8 : SOURCE_FORMAT_BGRA8;
-  }
-
-  // Returns the most efficient texture format for this platform.
-  static GLenum BestTextureFormat(WebKit::WebGraphicsContext3D* context,
-                                  bool supports_bgra8888) {
-    GLenum texture_format = GL_RGBA;
-    switch (Format()) {
-      case SOURCE_FORMAT_RGBA8:
-        break;
-      case SOURCE_FORMAT_BGRA8:
-        if (supports_bgra8888)
-          texture_format = GL_BGRA_EXT;
-        break;
-      default:
-        NOTREACHED();
-        break;
-    }
-    return texture_format;
-  }
-
-  // Return true if the given texture format has the same component order
-  // as the color on this platform.
-  static bool SameComponentOrder(GLenum texture_format) {
-    switch (Format()) {
-      case SOURCE_FORMAT_RGBA8:
-        return texture_format == GL_RGBA;
-      case SOURCE_FORMAT_BGRA8:
-        return texture_format == GL_BGRA_EXT;
-      default:
-        NOTREACHED();
-        return false;
-    }
-  }
-};
-
-}  // namespace cc
-
-#endif  // CC_PLATFORM_COLOR_H_