blob: d3f5867b770e28d8421bb8a5ada0db9bf3d19e56 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
|
// 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 "content/gpu/gpu_info_collector.h"
#include <string>
#include <vector>
#include "base/logging.h"
#include "base/memory/scoped_ptr.h"
#include "base/string_number_conversions.h"
#include "base/string_piece.h"
#include "base/strings/string_split.h"
#include "ui/gl/gl_bindings.h"
#include "ui/gl/gl_context.h"
#include "ui/gl/gl_surface.h"
namespace {
scoped_refptr<gfx::GLSurface> InitializeGLSurface() {
scoped_refptr<gfx::GLSurface> surface(
gfx::GLSurface::CreateOffscreenGLSurface(false, gfx::Size(1, 1)));
if (!surface.get()) {
LOG(ERROR) << "gfx::GLContext::CreateOffscreenGLSurface failed";
return NULL;
}
return surface;
}
scoped_refptr<gfx::GLContext> InitializeGLContext(gfx::GLSurface* surface) {
scoped_refptr<gfx::GLContext> context(
gfx::GLContext::CreateGLContext(NULL,
surface,
gfx::PreferIntegratedGpu));
if (!context.get()) {
LOG(ERROR) << "gfx::GLContext::CreateGLContext failed";
return NULL;
}
if (!context->MakeCurrent(surface)) {
LOG(ERROR) << "gfx::GLContext::MakeCurrent() failed";
return NULL;
}
return context;
}
std::string GetGLString(unsigned int pname) {
const char* gl_string =
reinterpret_cast<const char*>(glGetString(pname));
if (gl_string)
return std::string(gl_string);
return std::string();
}
// Return a version string in the format of "major.minor".
std::string GetVersionFromString(const std::string& version_string) {
size_t begin = version_string.find_first_of("0123456789");
if (begin != std::string::npos) {
size_t 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 pieces[0] + "." + pieces[1];
}
return std::string();
}
} // namespace anonymous
namespace gpu_info_collector {
bool CollectGraphicsInfoGL(content::GPUInfo* gpu_info) {
if (!gfx::GLSurface::InitializeOneOff()) {
LOG(ERROR) << "gfx::GLSurface::InitializeOneOff() failed";
return false;
}
scoped_refptr<gfx::GLSurface> surface(InitializeGLSurface());
if (!surface.get())
return false;
scoped_refptr<gfx::GLContext> context(InitializeGLContext(surface.get()));
if (!context.get())
return false;
gpu_info->gl_renderer = GetGLString(GL_RENDERER);
gpu_info->gl_vendor = GetGLString(GL_VENDOR);
gpu_info->gl_extensions = GetGLString(GL_EXTENSIONS);
gpu_info->gl_version_string = GetGLString(GL_VERSION);
std::string glsl_version_string = GetGLString(GL_SHADING_LANGUAGE_VERSION);
// TODO(kbr): remove once the destruction of a current context automatically
// clears the current context.
context->ReleaseCurrent(surface.get());
gpu_info->gl_version = GetVersionFromString(gpu_info->gl_version_string);
std::string glsl_version = GetVersionFromString(glsl_version_string);
gpu_info->pixel_shader_version = glsl_version;
gpu_info->vertex_shader_version = glsl_version;
return CollectDriverInfoGL(gpu_info);
}
void MergeGPUInfoGL(content::GPUInfo* basic_gpu_info,
const content::GPUInfo& context_gpu_info) {
DCHECK(basic_gpu_info);
basic_gpu_info->gl_renderer = context_gpu_info.gl_renderer;
basic_gpu_info->gl_vendor = context_gpu_info.gl_vendor;
basic_gpu_info->gl_version_string = context_gpu_info.gl_version_string;
basic_gpu_info->gl_extensions = context_gpu_info.gl_extensions;
basic_gpu_info->gl_version = context_gpu_info.gl_version;
basic_gpu_info->pixel_shader_version =
context_gpu_info.pixel_shader_version;
basic_gpu_info->vertex_shader_version =
context_gpu_info.vertex_shader_version;
if (!context_gpu_info.driver_vendor.empty())
basic_gpu_info->driver_vendor = context_gpu_info.driver_vendor;
if (!context_gpu_info.driver_version.empty())
basic_gpu_info->driver_version = context_gpu_info.driver_version;
basic_gpu_info->can_lose_context = context_gpu_info.can_lose_context;
basic_gpu_info->sandboxed = context_gpu_info.sandboxed;
basic_gpu_info->gpu_accessible = context_gpu_info.gpu_accessible;
basic_gpu_info->finalized = context_gpu_info.finalized;
basic_gpu_info->initialization_time = context_gpu_info.initialization_time;
}
} // namespace gpu_info_collector
|