1 // Copyright 2013 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "gpu/config/gpu_info_collector.h" 6 7 #include "base/command_line.h" 8 #include "base/debug/trace_event.h" 9 #include "base/logging.h" 10 #include "base/strings/string_split.h" 11 #include "ui/gl/gl_surface_egl.h" 12 #include "ui/gl/gl_switches.h" 13 14 namespace gpu { 15 CollectContextGraphicsInfo(GPUInfo * gpu_info)16CollectInfoResult CollectContextGraphicsInfo(GPUInfo* gpu_info) { 17 DCHECK(gpu_info); 18 TRACE_EVENT0("gpu", "gpu_info_collector::CollectGraphicsInfo"); 19 CollectInfoResult result = CollectGraphicsInfoGL(gpu_info); 20 if (CommandLine::ForCurrentProcess()->HasSwitch( 21 switches::kGpuNoContextLost)) { 22 gpu_info->can_lose_context = false; 23 } else { 24 #if defined(OS_CHROMEOS) 25 gpu_info->can_lose_context = false; 26 #else 27 gpu_info->can_lose_context = 28 !gfx::GLSurfaceEGL::IsCreateContextRobustnessSupported(); 29 #endif 30 } 31 32 gpu_info->finalized = true; 33 return result; 34 } 35 CollectGpuID(uint32 * vendor_id,uint32 * device_id)36GpuIDResult CollectGpuID(uint32* vendor_id, uint32* device_id) { 37 DCHECK(vendor_id && device_id); 38 *vendor_id = 0; 39 *device_id = 0; 40 return kGpuIDNotSupported; 41 } 42 CollectBasicGraphicsInfo(GPUInfo * gpu_info)43CollectInfoResult CollectBasicGraphicsInfo(GPUInfo* gpu_info) { 44 gpu_info->can_lose_context = false; 45 return kCollectInfoSuccess; 46 } 47 CollectDriverInfoGL(GPUInfo * gpu_info)48CollectInfoResult CollectDriverInfoGL(GPUInfo* gpu_info) { 49 DCHECK(gpu_info); 50 // Extract driver vendor, version from a string like: 51 // "OpenGL ES 3.0 V@6.0 AU@ (CL@2946718)" 52 size_t begin = gpu_info->gl_version.find_first_of("0123456789"); 53 if (begin == std::string::npos) 54 return kCollectInfoNonFatalFailure; 55 56 std::string sub_string = gpu_info->gl_version.substr(begin); 57 std::vector<std::string> pieces; 58 base::SplitStringAlongWhitespace(sub_string, &pieces); 59 if (pieces.size() < 3) 60 return kCollectInfoNonFatalFailure; 61 62 std::string driver_version = pieces[2]; 63 size_t pos = driver_version.find_first_not_of("0123456789."); 64 if (pos == 0) 65 return kCollectInfoNonFatalFailure; 66 67 if (pos != std::string::npos) 68 driver_version = driver_version.substr(0, pos); 69 70 gpu_info->driver_vendor = pieces[1]; 71 gpu_info->driver_version = driver_version; 72 return kCollectInfoSuccess; 73 } 74 MergeGPUInfo(GPUInfo * basic_gpu_info,const GPUInfo & context_gpu_info)75void MergeGPUInfo(GPUInfo* basic_gpu_info, 76 const GPUInfo& context_gpu_info) { 77 MergeGPUInfoGL(basic_gpu_info, context_gpu_info); 78 } 79 80 } // namespace gpu 81