blob: 275053f476cca49f29abcaf58ab1c68f32a614ce [file] [log] [blame]
// Copyright 2013 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_RESOURCES_RESOURCE_FORMAT_H_
#define CC_RESOURCES_RESOURCE_FORMAT_H_
#include "base/logging.h"
#include "cc/base/cc_export.h"
#include "ui/gfx/gpu_memory_buffer.h"
// TODO(prashant.n): Including third_party/khronos/GLES2/gl2.h causes
// redefinition errors as macros/functions defined in it conflict with
// macros/functions defined in ui/gl/gl_bindings.h. (http://crbug.com/512833).
typedef unsigned int GLenum;
namespace cc {
// Keep in sync with arrays below.
enum ResourceFormat {
RGBA_8888,
RGBA_4444,
BGRA_8888,
ALPHA_8,
LUMINANCE_8,
RGB_565,
ETC1,
RED_8,
LUMINANCE_F16,
RESOURCE_FORMAT_MAX = LUMINANCE_F16,
};
CC_EXPORT int BitsPerPixel(ResourceFormat format);
CC_EXPORT GLenum GLDataType(ResourceFormat format);
CC_EXPORT GLenum GLDataFormat(ResourceFormat format);
CC_EXPORT GLenum GLInternalFormat(ResourceFormat format);
CC_EXPORT GLenum GLCopyTextureInternalFormat(ResourceFormat format);
CC_EXPORT gfx::BufferFormat BufferFormat(ResourceFormat format);
bool IsResourceFormatCompressed(ResourceFormat format);
bool DoesResourceFormatSupportAlpha(ResourceFormat format);
} // namespace cc
#endif // CC_RESOURCES_RESOURCE_FORMAT_H_