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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 "base/base_paths.h" | 5 #include "base/base_paths.h" | 
| 6 #include "base/command_line.h" | 6 #include "base/command_line.h" | 
| 7 #include "base/file_path.h" | 7 #include "base/file_path.h" | 
| 8 #include "base/logging.h" | 8 #include "base/logging.h" | 
| 9 #include "base/native_library.h" | 9 #include "base/native_library.h" | 
| 10 #include "base/path_service.h" | 10 #include "base/path_service.h" | 
| 11 #include "ui/gl/gl_bindings.h" | 11 #include "ui/gl/gl_bindings.h" | 
| 12 #include "ui/gl/gl_egl_api_implementation.h" | 12 #include "ui/gl/gl_egl_api_implementation.h" | 
| 13 #include "ui/gl/gl_gl_api_implementation.h" | 13 #include "ui/gl/gl_gl_api_implementation.h" | 
| 14 #include "ui/gl/gl_implementation.h" | 14 #include "ui/gl/gl_implementation.h" | 
| 15 #include "ui/gl/gl_osmesa_api_implementation.h" | 15 #include "ui/gl/gl_osmesa_api_implementation.h" | 
| 16 | 16 | 
| 17 namespace gfx { | 17 namespace gfx { | 
| 18 | 18 | 
| 19 namespace { | 19 namespace { | 
| 20 | 20 | 
| 21 void GL_BINDING_CALL MarshalClearDepthToClearDepthf(GLclampd depth) { | 21 void GL_BINDING_CALL MarshalClearDepthToClearDepthf(GLclampd depth) { | 
| 22   glClearDepthf(static_cast<GLclampf>(depth)); | 22   glClearDepthf(static_cast<GLclampf>(depth)); | 
| 23 } | 23 } | 
| 24 | 24 | 
| 25 void GL_BINDING_CALL MarshalDepthRangeToDepthRangef(GLclampd z_near, | 25 void GL_BINDING_CALL MarshalDepthRangeToDepthRangef(GLclampd z_near, | 
| 26                                                     GLclampd z_far) { | 26                                                     GLclampd z_far) { | 
| 27   glDepthRangef(static_cast<GLclampf>(z_near), static_cast<GLclampf>(z_far)); | 27   glDepthRangef(static_cast<GLclampf>(z_near), static_cast<GLclampf>(z_far)); | 
| 28 } | 28 } | 
| 29 | 29 | 
| 30 base::NativeLibrary LoadLibrary(const FilePath& filename) { | 30 base::NativeLibrary LoadLibrary(const base::FilePath& filename) { | 
| 31   std::string error; | 31   std::string error; | 
| 32   base::NativeLibrary library = base::LoadNativeLibrary(filename, &error); | 32   base::NativeLibrary library = base::LoadNativeLibrary(filename, &error); | 
| 33   if (!library) { | 33   if (!library) { | 
| 34     DVLOG(1) << "Failed to load " << filename.MaybeAsASCII() << ": " << error; | 34     DVLOG(1) << "Failed to load " << filename.MaybeAsASCII() << ": " << error; | 
| 35     return NULL; | 35     return NULL; | 
| 36   } | 36   } | 
| 37   return library; | 37   return library; | 
| 38 } | 38 } | 
| 39 | 39 | 
| 40 base::NativeLibrary LoadLibrary(const char* filename) { | 40 base::NativeLibrary LoadLibrary(const char* filename) { | 
| 41   return LoadLibrary(FilePath(filename)); | 41   return LoadLibrary(base::FilePath(filename)); | 
| 42 } | 42 } | 
| 43 | 43 | 
| 44 }  // namespace | 44 }  // namespace | 
| 45 | 45 | 
| 46 void GetAllowedGLImplementations(std::vector<GLImplementation>* impls) { | 46 void GetAllowedGLImplementations(std::vector<GLImplementation>* impls) { | 
| 47   impls->push_back(kGLImplementationEGLGLES2); | 47   impls->push_back(kGLImplementationEGLGLES2); | 
| 48 } | 48 } | 
| 49 | 49 | 
| 50 bool InitializeGLBindings(GLImplementation implementation) { | 50 bool InitializeGLBindings(GLImplementation implementation) { | 
| 51   // Prevent reinitialization with a different implementation. Once the gpu | 51   // Prevent reinitialization with a different implementation. Once the gpu | 
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| 126 | 126 | 
| 127 void ClearGLBindings() { | 127 void ClearGLBindings() { | 
| 128   ClearGLBindingsEGL(); | 128   ClearGLBindingsEGL(); | 
| 129   ClearGLBindingsGL(); | 129   ClearGLBindingsGL(); | 
| 130   SetGLImplementation(kGLImplementationNone); | 130   SetGLImplementation(kGLImplementationNone); | 
| 131 | 131 | 
| 132   UnloadGLNativeLibraries(); | 132   UnloadGLNativeLibraries(); | 
| 133 } | 133 } | 
| 134 | 134 | 
| 135 }  // namespace gfx | 135 }  // namespace gfx | 
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