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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.
#include "base/basictypes.h"
#include "build/build_config.h"
#include "gpu/config/gpu_info.h"
#include "gpu/gpu_export.h"
namespace gpu {
enum GpuIDResult {
// Result for the various Collect*Info* functions below.
// Fatal failures are for cases where we can't create a context at all or
// something, making the use of the GPU impossible.
// Non-fatal failures are for cases where we could gather most info, but maybe
// some is missing (e.g. unable to parse a version string or to detect the exact
// model).
enum CollectInfoResult {
// Collect GPU vendor_id and device ID.
GPU_EXPORT GpuIDResult CollectGpuID(uint32* vendor_id, uint32* device_id);
// Collects basic GPU info without creating a GL/DirectX context (and without
// the danger of crashing), including vendor_id and device_id.
// This is called at browser process startup time.
// The subset each platform collects may be different.
GPU_EXPORT CollectInfoResult CollectBasicGraphicsInfo(GPUInfo* gpu_info);
// Create a GL/DirectX context and collect related info.
// This is called at GPU process startup time.
GPU_EXPORT CollectInfoResult CollectContextGraphicsInfo(GPUInfo* gpu_info);
#if defined(OS_WIN)
// Collect the DirectX Disagnostics information about the attached displays.
GPU_EXPORT bool GetDxDiagnostics(DxDiagNode* output);
#endif // OS_WIN
// Create a GL context and collect GL strings and versions.
GPU_EXPORT CollectInfoResult CollectGraphicsInfoGL(GPUInfo* gpu_info);
// Each platform stores the driver version on the GL_VERSION string differently
GPU_EXPORT CollectInfoResult CollectDriverInfoGL(GPUInfo* gpu_info);
// Merge GPUInfo from CollectContextGraphicsInfo into basic GPUInfo.
// This is platform specific, depending on which info are collected at which
// stage.
GPU_EXPORT void MergeGPUInfo(GPUInfo* basic_gpu_info,
const GPUInfo& context_gpu_info);
// MergeGPUInfo() when GL driver is used.
GPU_EXPORT void MergeGPUInfoGL(GPUInfo* basic_gpu_info,
const GPUInfo& context_gpu_info);
} // namespace gpu