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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 "ui/gl/gl_egl_api_implementation.h" | 5 #include "ui/gl/gl_egl_api_implementation.h" |
6 | 6 |
7 #include "base/command_line.h" | 7 #include "base/command_line.h" |
8 #include "base/strings/string_split.h" | 8 #include "base/strings/string_split.h" |
9 #include "base/strings/string_util.h" | 9 #include "base/strings/string_util.h" |
10 #include "ui/gl/gl_context.h" | 10 #include "ui/gl/gl_context.h" |
11 #include "ui/gl/gl_implementation.h" | 11 #include "ui/gl/gl_implementation.h" |
12 | 12 |
13 namespace gl { | 13 namespace gl { |
14 | 14 |
15 namespace { | |
16 | |
17 void GL_BINDING_CALL MarshalClearDepthToClearDepthf(GLclampd depth) { | |
18 glClearDepthf(static_cast<GLclampf>(depth)); | |
19 } | |
20 | |
21 void GL_BINDING_CALL MarshalDepthRangeToDepthRangef(GLclampd z_near, | |
22 GLclampd z_far) { | |
23 glDepthRangef(static_cast<GLclampf>(z_near), static_cast<GLclampf>(z_far)); | |
24 } | |
25 | |
26 } // namespace | |
27 | |
28 RealEGLApi* g_real_egl; | 15 RealEGLApi* g_real_egl; |
29 | 16 |
30 void InitializeStaticGLBindingsEGL() { | 17 void InitializeStaticGLBindingsEGL() { |
31 g_driver_egl.InitializeStaticBindings(); | 18 g_driver_egl.InitializeStaticBindings(); |
32 if (!g_real_egl) { | 19 if (!g_real_egl) { |
33 g_real_egl = new RealEGLApi(); | 20 g_real_egl = new RealEGLApi(); |
34 } | 21 } |
35 g_real_egl->Initialize(&g_driver_egl); | 22 g_real_egl->Initialize(&g_driver_egl); |
36 g_current_egl_context = g_real_egl; | 23 g_current_egl_context = g_real_egl; |
37 g_driver_egl.InitializeExtensionBindings(); | 24 g_driver_egl.InitializeExtensionBindings(); |
38 | |
39 // These two functions take single precision float rather than double | |
40 // precision float parameters in GLES. | |
41 ::gl::g_driver_gl.fn.glClearDepthFn = MarshalClearDepthToClearDepthf; | |
42 ::gl::g_driver_gl.fn.glDepthRangeFn = MarshalDepthRangeToDepthRangef; | |
43 } | 25 } |
44 | 26 |
45 void InitializeDebugGLBindingsEGL() { | 27 void InitializeDebugGLBindingsEGL() { |
46 g_driver_egl.InitializeDebugBindings(); | 28 g_driver_egl.InitializeDebugBindings(); |
47 } | 29 } |
48 | 30 |
49 void ClearGLBindingsEGL() { | 31 void ClearGLBindingsEGL() { |
50 if (g_real_egl) { | 32 if (g_real_egl) { |
51 delete g_real_egl; | 33 delete g_real_egl; |
52 g_real_egl = NULL; | 34 g_real_egl = NULL; |
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123 if (vendor) | 105 if (vendor) |
124 info->vendor = vendor; | 106 info->vendor = vendor; |
125 if (version) | 107 if (version) |
126 info->version = version; | 108 info->version = version; |
127 if (extensions) | 109 if (extensions) |
128 info->extensions = extensions; | 110 info->extensions = extensions; |
129 return true; | 111 return true; |
130 } | 112 } |
131 | 113 |
132 } // namespace gl | 114 } // namespace gl |
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