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// Copyright (c) 2012 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 GPU_COMMAND_BUFFER_SERVICE_TEXTURE_DEFINITION_H_
#define GPU_COMMAND_BUFFER_SERVICE_TEXTURE_DEFINITION_H_
#include <vector>
#include "base/callback.h"
#include "gpu/command_buffer/service/gl_utils.h"
#include "gpu/gpu_export.h"
namespace gpu {
namespace gles2 {
// A saved definition of a texture that still exists in the underlying
// GLShareGroup and can be used to redefine a client visible texture in any
// context using the same GLShareGroup with the corresponding service ID.
class GPU_EXPORT TextureDefinition {
public:
struct LevelInfo {
LevelInfo(GLenum target,
GLenum internal_format,
GLsizei width,
GLsizei height,
GLsizei depth,
GLint border,
GLenum format,
GLenum type,
bool cleared);
GLenum target;
GLenum internal_format;
GLsizei width;
GLsizei height;
GLsizei depth;
GLint border;
GLenum format;
GLenum type;
bool cleared;
};
typedef std::vector<std::vector<LevelInfo> > LevelInfos;
typedef base::Callback<void(TextureDefinition*)> DestroyCallback;
TextureDefinition(GLenum target,
GLuint service_id,
bool immutable,
const LevelInfos& level_infos);
~TextureDefinition();
GLenum target() const {
return target_;
}
GLuint ReleaseServiceId();
bool immutable() const { return immutable_; }
const LevelInfos& level_infos() const {
return level_infos_;
}
private:
GLenum target_;
GLuint service_id_;
bool immutable_;
std::vector<std::vector<LevelInfo> > level_infos_;
DISALLOW_COPY_AND_ASSIGN(TextureDefinition);
};
} // namespage gles2
} // namespace gpu
#endif // GPU_COMMAND_BUFFER_SERVICE_TEXTURE_DEFINITION_H_
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