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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 #ifndef UI_GL_GL_CONTEXT_H_ | 5 #ifndef UI_GL_GL_CONTEXT_H_ |
6 #define UI_GL_GL_CONTEXT_H_ | 6 #define UI_GL_GL_CONTEXT_H_ |
7 | 7 |
8 #include <memory> | 8 #include <memory> |
9 #include <string> | 9 #include <string> |
10 #include <vector> | 10 #include <vector> |
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61 struct GLContextAttribs { | 61 struct GLContextAttribs { |
62 GpuPreference gpu_preference = PreferIntegratedGpu; | 62 GpuPreference gpu_preference = PreferIntegratedGpu; |
63 bool bind_generates_resource = true; | 63 bool bind_generates_resource = true; |
64 bool webgl_compatibility_context = false; | 64 bool webgl_compatibility_context = false; |
65 bool global_texture_share_group = false; | 65 bool global_texture_share_group = false; |
66 int client_major_es_version = 3; | 66 int client_major_es_version = 3; |
67 int client_minor_es_version = 0; | 67 int client_minor_es_version = 0; |
68 ContextPriority context_priority = ContextPriorityMedium; | 68 ContextPriority context_priority = ContextPriorityMedium; |
69 }; | 69 }; |
70 | 70 |
71 struct GLWorkarounds { | |
72 // glClearColor does not always work on Intel 6xxx Mac drivers. See | |
73 // crbug.com/710443. | |
74 bool clearToBoundaryValuesIsBroken = false; | |
Zhenyao Mo
2017/06/20 21:34:17
clear_to_boundary_values_broken
jiajia.qin
2017/06/21 02:47:22
Done.
| |
75 }; | |
76 | |
77 // Set the GL workarounds. | |
78 GL_EXPORT void SetGLWorkarounds(const GLWorkarounds& workarounds); | |
79 | |
80 // Get the GL workarounds. | |
81 GL_EXPORT GLWorkarounds GetGLWorkarounds(); | |
82 | |
71 // Encapsulates an OpenGL context, hiding platform specific management. | 83 // Encapsulates an OpenGL context, hiding platform specific management. |
72 class GL_EXPORT GLContext : public base::RefCounted<GLContext> { | 84 class GL_EXPORT GLContext : public base::RefCounted<GLContext> { |
73 public: | 85 public: |
74 explicit GLContext(GLShareGroup* share_group); | 86 explicit GLContext(GLShareGroup* share_group); |
75 | 87 |
76 // Initializes the GL context to be compatible with the given surface. The GL | 88 // Initializes the GL context to be compatible with the given surface. The GL |
77 // context can be made with other surface's of the same type. The compatible | 89 // context can be made with other surface's of the same type. The compatible |
78 // surface is only needed for certain platforms like WGL, OSMesa and GLX. It | 90 // surface is only needed for certain platforms like WGL, OSMesa and GLX. It |
79 // should be specific for all platforms though. | 91 // should be specific for all platforms though. |
80 virtual bool Initialize(GLSurface* compatible_surface, | 92 virtual bool Initialize(GLSurface* compatible_surface, |
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265 // scoped_refptr containing the initialized GLContext or nullptr if | 277 // scoped_refptr containing the initialized GLContext or nullptr if |
266 // initialization fails. | 278 // initialization fails. |
267 GL_EXPORT scoped_refptr<GLContext> InitializeGLContext( | 279 GL_EXPORT scoped_refptr<GLContext> InitializeGLContext( |
268 scoped_refptr<GLContext> context, | 280 scoped_refptr<GLContext> context, |
269 GLSurface* compatible_surface, | 281 GLSurface* compatible_surface, |
270 const GLContextAttribs& attribs); | 282 const GLContextAttribs& attribs); |
271 | 283 |
272 } // namespace gl | 284 } // namespace gl |
273 | 285 |
274 #endif // UI_GL_GL_CONTEXT_H_ | 286 #endif // UI_GL_GL_CONTEXT_H_ |
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