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// Copyright (c) 2006-2010 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 CHROME_COMMON_GPU_INFO_H__
#define CHROME_COMMON_GPU_INFO_H__
#pragma once
// Provides access to the GPU information for the system
// on which chrome is currently running.
#include <string>
#include "base/basictypes.h"
#include "base/time.h"
#include "build/build_config.h"
#include "chrome/common/dx_diag_node.h"
class GPUInfo {
public:
GPUInfo();
~GPUInfo() {}
// Returns whether this GPUInfo has been initialized with information
bool initialized() const;
// The amount of time taken to get from the process starting to the message
// loop being pumped.
base::TimeDelta initialization_time() const;
// Return the DWORD (uint32) representing the graphics card vendor id.
uint32 vendor_id() const;
// Return the DWORD (uint32) representing the graphics card device id.
// Device ids are unique to vendor, not to one another.
uint32 device_id() const;
// Return the version of the graphics driver currently installed.
// This will typically be something
std::wstring driver_version() const;
// Return the version of the pixel/fragment shader used by the gpu.
// This will typically be a number less than 10 so storing as a float
// should be okay.
uint32 pixel_shader_version() const;
// Return the version of the vertex shader used by the gpu.
// This will typically be a number less than 10 so storing as a float
// should be okay.
uint32 vertex_shader_version() const;
// Return the version of OpenGL we are using.
// Major version in the high word, minor in the low word, eg version 2.5
// would be 0x00020005.
// Returns 0 if we're not using OpenGL, say because we're going through
// D3D instead.
uint32 gl_version() const;
// Return the device semantics, i.e. whether the Vista and Windows 7 specific
// semantics are available.
bool can_lose_context() const;
void SetInitializationTime(const base::TimeDelta& initialization_time);
// Populate variables with passed in values
void SetGraphicsInfo(uint32 vendor_id, uint32 device_id,
const std::wstring& driver_version,
uint32 pixel_shader_version,
uint32 vertex_shader_version,
uint32 gl_version,
bool can_lose_context);
#if defined(OS_WIN)
// The information returned by the DirectX Diagnostics Tool.
const DxDiagNode& dx_diagnostics() const;
void SetDxDiagnostics(const DxDiagNode& dx_diagnostics);
#endif
private:
bool initialized_;
base::TimeDelta initialization_time_;
uint32 vendor_id_;
uint32 device_id_;
std::wstring driver_version_;
uint32 pixel_shader_version_;
uint32 vertex_shader_version_;
uint32 gl_version_;
bool can_lose_context_;
#if defined(OS_WIN)
DxDiagNode dx_diagnostics_;
#endif
};
#endif // CHROME_COMMON_GPU_INFO_H__
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