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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 #ifndef UI_GFX_GL_GL_IMPLEMENTATION_H_ | 5 #ifndef UI_GFX_GL_GL_IMPLEMENTATION_H_ |
| 6 #define UI_GFX_GL_GL_IMPLEMENTATION_H_ | 6 #define UI_GFX_GL_GL_IMPLEMENTATION_H_ |
| 7 #pragma once | 7 #pragma once |
| 8 | 8 |
| 9 #include <string> | 9 #include <string> |
| 10 | 10 |
| 11 #include "base/native_library.h" | 11 #include "base/native_library.h" |
| 12 #include "build/build_config.h" | 12 #include "build/build_config.h" |
| 13 #include "ui/gfx/gl/gl_export.h" |
| 13 #include "ui/gfx/gl/gl_switches.h" | 14 #include "ui/gfx/gl/gl_switches.h" |
| 14 | 15 |
| 15 namespace gfx { | 16 namespace gfx { |
| 16 | 17 |
| 17 // The GL implementation currently in use. | 18 // The GL implementation currently in use. |
| 18 enum GLImplementation { | 19 enum GLImplementation { |
| 19 kGLImplementationNone, | 20 kGLImplementationNone, |
| 20 kGLImplementationDesktopGL, | 21 kGLImplementationDesktopGL, |
| 21 kGLImplementationOSMesaGL, | 22 kGLImplementationOSMesaGL, |
| 22 kGLImplementationEGLGLES2, | 23 kGLImplementationEGLGLES2, |
| 23 kGLImplementationMockGL | 24 kGLImplementationMockGL |
| 24 }; | 25 }; |
| 25 | 26 |
| 26 #if defined(OS_WIN) | 27 #if defined(OS_WIN) |
| 27 typedef void* (WINAPI *GLGetProcAddressProc)(const char* name); | 28 typedef void* (WINAPI *GLGetProcAddressProc)(const char* name); |
| 28 #else | 29 #else |
| 29 typedef void* (*GLGetProcAddressProc)(const char* name); | 30 typedef void* (*GLGetProcAddressProc)(const char* name); |
| 30 #endif | 31 #endif |
| 31 | 32 |
| 32 // Initialize a particular GL implementation. | 33 // Initialize a particular GL implementation. |
| 33 bool InitializeGLBindings(GLImplementation implementation); | 34 bool InitializeGLBindings(GLImplementation implementation); |
| 34 | 35 |
| 35 // Initialize Debug logging wrappers for GL bindings. | 36 // Initialize Debug logging wrappers for GL bindings. |
| 36 void InitializeDebugGLBindings(); | 37 void InitializeDebugGLBindings(); |
| 37 | 38 |
| 38 // Set the current GL implementation. | 39 // Set the current GL implementation. |
| 39 void SetGLImplementation(GLImplementation implementation); | 40 void SetGLImplementation(GLImplementation implementation); |
| 40 | 41 |
| 41 // Get the current GL implementation. | 42 // Get the current GL implementation. |
| 42 GLImplementation GetGLImplementation(); | 43 GL_EXPORT GLImplementation GetGLImplementation(); |
| 43 | 44 |
| 44 // Get the GL implementation with a given name. | 45 // Get the GL implementation with a given name. |
| 45 GLImplementation GetNamedGLImplementation(const std::wstring& name); | 46 GLImplementation GetNamedGLImplementation(const std::wstring& name); |
| 46 | 47 |
| 47 // Get the name of a GL implementation. | 48 // Get the name of a GL implementation. |
| 48 const char* GetGLImplementationName(GLImplementation implementation); | 49 const char* GetGLImplementationName(GLImplementation implementation); |
| 49 | 50 |
| 50 // Initialize the preferred GL binding from the given list. The preferred GL | 51 // Initialize the preferred GL binding from the given list. The preferred GL |
| 51 // bindings depend on command line switches passed by the user and which GL | 52 // bindings depend on command line switches passed by the user and which GL |
| 52 // implementation is the default on a given platform. | 53 // implementation is the default on a given platform. |
| 53 bool InitializeRequestedGLBindings( | 54 bool InitializeRequestedGLBindings( |
| 54 const GLImplementation* allowed_implementations_begin, | 55 const GLImplementation* allowed_implementations_begin, |
| 55 const GLImplementation* allowed_implementations_end, | 56 const GLImplementation* allowed_implementations_end, |
| 56 GLImplementation default_implementation); | 57 GLImplementation default_implementation); |
| 57 | 58 |
| 58 // Add a native library to those searched for GL entry points. | 59 // Add a native library to those searched for GL entry points. |
| 59 void AddGLNativeLibrary(base::NativeLibrary library); | 60 void AddGLNativeLibrary(base::NativeLibrary library); |
| 60 | 61 |
| 61 // Set an additional function that will be called to find GL entry points. | 62 // Set an additional function that will be called to find GL entry points. |
| 62 void SetGLGetProcAddressProc(GLGetProcAddressProc proc); | 63 void SetGLGetProcAddressProc(GLGetProcAddressProc proc); |
| 63 | 64 |
| 64 // Find an entry point in the current GL implementation. | 65 // Find an entry point in the current GL implementation. |
| 65 void* GetGLProcAddress(const char* name); | 66 void* GetGLProcAddress(const char* name); |
| 66 | 67 |
| 67 } // namespace gfx | 68 } // namespace gfx |
| 68 | 69 |
| 69 #endif // UI_GFX_GL_GL_IMPLEMENTATION_H_ | 70 #endif // UI_GFX_GL_GL_IMPLEMENTATION_H_ |
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