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// 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 GPU_COMMAND_BUFFER_COMMON_GPU_CONTROL_H_
#define GPU_COMMAND_BUFFER_COMMON_GPU_CONTROL_H_
#include <vector>
#include "gpu/command_buffer/common/mailbox.h"
#include "gpu/command_buffer/common/types.h"
#include "gpu/gpu_export.h"
namespace gfx {
class GpuMemoryBuffer;
}
namespace gpu {
// Common interface for GpuControl implementations.
class GPU_EXPORT GpuControl {
public:
GpuControl() {}
virtual ~GpuControl() {}
virtual bool SupportsGpuMemoryBuffer() = 0;
// Create a gpu memory buffer of the given dimensions and format. Returns
// its ID or -1 on error.
virtual gfx::GpuMemoryBuffer* CreateGpuMemoryBuffer(
size_t width,
size_t height,
unsigned internalformat,
int32* id) = 0;
// Destroy a gpu memory buffer. The ID must be positive.
virtual void DestroyGpuMemoryBuffer(int32 id) = 0;
// Generates n unique mailbox names that can be used with
// GL_texture_mailbox_CHROMIUM.
virtual bool GenerateMailboxNames(unsigned num,
std::vector<gpu::Mailbox>* names) = 0;
private:
DISALLOW_COPY_AND_ASSIGN(GpuControl);
};
} // namespace gpu
#endif // GPU_COMMAND_BUFFER_COMMON_GPU_CONTROL_H_
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