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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "ui/gl/init/gl_initializer.h" | 5 #include "ui/gl/init/gl_initializer.h" |
6 | 6 |
7 #include "base/base_paths.h" | |
8 #include "base/command_line.h" | |
9 #include "base/files/file_path.h" | |
10 #include "base/logging.h" | 7 #include "base/logging.h" |
11 #include "base/native_library.h" | 8 #include "ui/gl/gl_implementation.h" |
12 #include "ui/gl/gl_bindings.h" | |
13 #include "ui/gl/gl_egl_api_implementation.h" | |
14 #include "ui/gl/gl_gl_api_implementation.h" | |
15 #include "ui/gl/gl_implementation_osmesa.h" | |
16 #include "ui/gl/gl_osmesa_api_implementation.h" | |
17 #include "ui/gl/gl_surface_egl.h" | 9 #include "ui/gl/gl_surface_egl.h" |
18 | 10 |
19 namespace gl { | 11 namespace gl { |
20 namespace init { | 12 namespace init { |
21 | 13 |
22 namespace { | |
23 | |
24 bool InitializeStaticEGLInternal() { | |
25 base::NativeLibrary gles_library = LoadLibraryAndPrintError("libGLESv2.so"); | |
26 if (!gles_library) | |
27 return false; | |
28 base::NativeLibrary egl_library = LoadLibraryAndPrintError("libEGL.so"); | |
29 if (!egl_library) { | |
30 base::UnloadNativeLibrary(gles_library); | |
31 return false; | |
32 } | |
33 | |
34 GLGetProcAddressProc get_proc_address = | |
35 reinterpret_cast<GLGetProcAddressProc>( | |
36 base::GetFunctionPointerFromNativeLibrary(egl_library, | |
37 "eglGetProcAddress")); | |
38 if (!get_proc_address) { | |
39 LOG(ERROR) << "eglGetProcAddress not found."; | |
40 base::UnloadNativeLibrary(egl_library); | |
41 base::UnloadNativeLibrary(gles_library); | |
42 return false; | |
43 } | |
44 | |
45 SetGLGetProcAddressProc(get_proc_address); | |
46 AddGLNativeLibrary(egl_library); | |
47 AddGLNativeLibrary(gles_library); | |
48 SetGLImplementation(kGLImplementationEGLGLES2); | |
49 | |
50 InitializeStaticGLBindingsGL(); | |
51 InitializeStaticGLBindingsEGL(); | |
52 | |
53 return true; | |
54 } | |
55 | |
56 } // namespace | |
57 | |
58 bool InitializeGLOneOffPlatform() { | 14 bool InitializeGLOneOffPlatform() { |
59 switch (GetGLImplementation()) { | 15 switch (GetGLImplementation()) { |
60 case kGLImplementationEGLGLES2: | 16 case kGLImplementationEGLGLES2: |
61 if (!GLSurfaceEGL::InitializeOneOff()) { | 17 if (!GLSurfaceEGL::InitializeOneOff()) { |
62 LOG(ERROR) << "GLSurfaceEGL::InitializeOneOff failed."; | 18 LOG(ERROR) << "GLSurfaceEGL::InitializeOneOff failed."; |
63 return false; | 19 return false; |
64 } | 20 } |
65 return true; | 21 return true; |
66 default: | 22 default: |
67 return true; | 23 return true; |
68 } | 24 } |
69 } | 25 } |
70 | 26 |
71 bool InitializeStaticGLBindings(GLImplementation implementation) { | |
72 // Prevent reinitialization with a different implementation. Once the gpu | |
73 // unit tests have initialized with kGLImplementationMock, we don't want to | |
74 // later switch to another GL implementation. | |
75 DCHECK_EQ(kGLImplementationNone, GetGLImplementation()); | |
76 | |
77 switch (implementation) { | |
78 case kGLImplementationEGLGLES2: | |
79 return InitializeStaticEGLInternal(); | |
80 case kGLImplementationOSMesaGL: | |
81 return InitializeStaticGLBindingsOSMesaGL(); | |
82 case kGLImplementationMockGL: | |
83 SetGLImplementation(kGLImplementationMockGL); | |
84 InitializeStaticGLBindingsGL(); | |
85 return true; | |
86 default: | |
87 NOTREACHED(); | |
88 } | |
89 | |
90 return false; | |
91 } | |
92 | |
93 void InitializeDebugGLBindings() { | |
94 InitializeDebugGLBindingsEGL(); | |
95 InitializeDebugGLBindingsGL(); | |
96 InitializeDebugGLBindingsOSMESA(); | |
97 } | |
98 | |
99 void ClearGLBindingsPlatform() { | |
100 ClearGLBindingsEGL(); | |
101 ClearGLBindingsGL(); | |
102 ClearGLBindingsOSMESA(); | |
103 } | |
104 | |
105 } // namespace init | 27 } // namespace init |
106 } // namespace gl | 28 } // namespace gl |
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