| // 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 "gpu/config/gpu_info_collector.h" |
| |
| #include "base/android/build_info.h" |
| #include "base/command_line.h" |
| #include "base/logging.h" |
| #include "base/strings/string_number_conversions.h" |
| #include "base/strings/string_piece.h" |
| #include "base/strings/string_split.h" |
| #include "base/strings/string_util.h" |
| #include "ui/gl/gl_bindings.h" |
| #include "ui/gl/gl_context.h" |
| #include "ui/gl/gl_surface.h" |
| |
| namespace { |
| |
| std::string GetDriverVersionFromString(const std::string& version_string) { |
| // Extract driver version from the second number in a string like: |
| // "OpenGL ES 2.0 V@6.0 AU@ (CL@2946718)" |
| |
| // Exclude first "2.0". |
| size_t begin = version_string.find_first_of("0123456789"); |
| if (begin == std::string::npos) |
| return "0"; |
| size_t end = version_string.find_first_not_of("01234567890.", begin); |
| |
| // Extract number of the form "%d.%d" |
| begin = version_string.find_first_of("0123456789", end); |
| if (begin == std::string::npos) |
| return "0"; |
| end = version_string.find_first_not_of("01234567890.", begin); |
| std::string sub_string; |
| if (end != std::string::npos) |
| sub_string = version_string.substr(begin, end - begin); |
| else |
| sub_string = version_string.substr(begin); |
| std::vector<std::string> pieces; |
| base::SplitString(sub_string, '.', &pieces); |
| if (pieces.size() < 2) |
| return "0"; |
| return pieces[0] + "." + pieces[1]; |
| } |
| |
| class ScopedRestoreNonOwnedEGLContext { |
| public: |
| ScopedRestoreNonOwnedEGLContext(); |
| ~ScopedRestoreNonOwnedEGLContext(); |
| |
| private: |
| EGLContext context_; |
| EGLDisplay display_; |
| EGLSurface draw_surface_; |
| EGLSurface read_surface_; |
| }; |
| |
| ScopedRestoreNonOwnedEGLContext::ScopedRestoreNonOwnedEGLContext() |
| : context_(EGL_NO_CONTEXT), |
| display_(EGL_NO_DISPLAY), |
| draw_surface_(EGL_NO_SURFACE), |
| read_surface_(EGL_NO_SURFACE) { |
| // This should only used to restore a context that is not created or owned by |
| // Chromium native code, but created by Android system itself. |
| DCHECK(!gfx::GLContext::GetCurrent()); |
| |
| context_ = eglGetCurrentContext(); |
| display_ = eglGetCurrentDisplay(); |
| draw_surface_ = eglGetCurrentSurface(EGL_DRAW); |
| read_surface_ = eglGetCurrentSurface(EGL_READ); |
| } |
| |
| ScopedRestoreNonOwnedEGLContext::~ScopedRestoreNonOwnedEGLContext() { |
| if (context_ == EGL_NO_CONTEXT || display_ == EGL_NO_DISPLAY || |
| draw_surface_ == EGL_NO_SURFACE || read_surface_ == EGL_NO_SURFACE) |
| return; |
| |
| if (!eglMakeCurrent(display_, draw_surface_, read_surface_, context_)) |
| LOG(WARNING) << "Failed to restore EGL context"; |
| } |
| |
| } |
| |
| namespace gpu { |
| |
| CollectInfoResult CollectContextGraphicsInfo(GPUInfo* gpu_info) { |
| return CollectBasicGraphicsInfo(gpu_info); |
| } |
| |
| CollectInfoResult CollectGpuID(uint32* vendor_id, uint32* device_id) { |
| DCHECK(vendor_id && device_id); |
| *vendor_id = 0; |
| *device_id = 0; |
| return kCollectInfoNonFatalFailure; |
| } |
| |
| CollectInfoResult CollectBasicGraphicsInfo(GPUInfo* gpu_info) { |
| gpu_info->can_lose_context = false; |
| |
| gpu_info->machine_model_name = |
| base::android::BuildInfo::GetInstance()->model(); |
| |
| // Create a short-lived context on the UI thread to collect the GL strings. |
| // Make sure we restore the existing context if there is one. |
| ScopedRestoreNonOwnedEGLContext restore_context; |
| CollectInfoResult result = CollectGraphicsInfoGL(gpu_info); |
| gpu_info->basic_info_state = result; |
| gpu_info->context_info_state = result; |
| return result; |
| } |
| |
| CollectInfoResult CollectDriverInfoGL(GPUInfo* gpu_info) { |
| gpu_info->driver_version = GetDriverVersionFromString( |
| gpu_info->gl_version); |
| gpu_info->gpu.vendor_string = gpu_info->gl_vendor; |
| gpu_info->gpu.device_string = gpu_info->gl_renderer; |
| return kCollectInfoSuccess; |
| } |
| |
| void MergeGPUInfo(GPUInfo* basic_gpu_info, |
| const GPUInfo& context_gpu_info) { |
| MergeGPUInfoGL(basic_gpu_info, context_gpu_info); |
| } |
| |
| } // namespace gpu |