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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_context_egl.h" | 5 #include "ui/gl/gl_context_egl.h" |
6 | 6 |
7 #include <memory> | 7 #include <memory> |
8 | 8 |
9 #include "base/command_line.h" | 9 #include "base/command_line.h" |
10 #include "base/logging.h" | 10 #include "base/logging.h" |
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30 #ifndef EGL_ANGLE_create_context_webgl_compatibility | 30 #ifndef EGL_ANGLE_create_context_webgl_compatibility |
31 #define EGL_ANGLE_create_context_webgl_compatibility 1 | 31 #define EGL_ANGLE_create_context_webgl_compatibility 1 |
32 #define EGL_CONTEXT_WEBGL_COMPATIBILITY_ANGLE 0x3AAC | 32 #define EGL_CONTEXT_WEBGL_COMPATIBILITY_ANGLE 0x3AAC |
33 #endif /* EGL_ANGLE_create_context_webgl_compatibility */ | 33 #endif /* EGL_ANGLE_create_context_webgl_compatibility */ |
34 | 34 |
35 #ifndef EGL_ANGLE_display_texture_share_group | 35 #ifndef EGL_ANGLE_display_texture_share_group |
36 #define EGL_ANGLE_display_texture_share_group 1 | 36 #define EGL_ANGLE_display_texture_share_group 1 |
37 #define EGL_DISPLAY_TEXTURE_SHARE_GROUP_ANGLE 0x3AAF | 37 #define EGL_DISPLAY_TEXTURE_SHARE_GROUP_ANGLE 0x3AAF |
38 #endif /* EGL_ANGLE_display_texture_share_group */ | 38 #endif /* EGL_ANGLE_display_texture_share_group */ |
39 | 39 |
| 40 #ifndef EGL_ANGLE_create_context_client_arrays |
| 41 #define EGL_ANGLE_create_context_client_arrays 1 |
| 42 #define EGL_CONTEXT_CLIENT_ARRAYS_ENABLED_ANGLE 0x3452 |
| 43 #endif /* EGL_ANGLE_create_context_client_arrays */ |
| 44 |
40 using ui::GetLastEGLErrorString; | 45 using ui::GetLastEGLErrorString; |
41 | 46 |
42 namespace gl { | 47 namespace gl { |
43 | 48 |
44 GLContextEGL::GLContextEGL(GLShareGroup* share_group) | 49 GLContextEGL::GLContextEGL(GLShareGroup* share_group) |
45 : GLContextReal(share_group), | 50 : GLContextReal(share_group), |
46 context_(nullptr), | 51 context_(nullptr), |
47 display_(nullptr), | 52 display_(nullptr), |
48 config_(nullptr), | 53 config_(nullptr), |
49 unbind_fbo_on_makecurrent_(false), | 54 unbind_fbo_on_makecurrent_(false), |
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131 } | 136 } |
132 | 137 |
133 if (GLSurfaceEGL::HasEGLExtension("EGL_ANGLE_display_texture_share_group")) { | 138 if (GLSurfaceEGL::HasEGLExtension("EGL_ANGLE_display_texture_share_group")) { |
134 context_attributes.push_back(EGL_DISPLAY_TEXTURE_SHARE_GROUP_ANGLE); | 139 context_attributes.push_back(EGL_DISPLAY_TEXTURE_SHARE_GROUP_ANGLE); |
135 context_attributes.push_back( | 140 context_attributes.push_back( |
136 attribs.global_texture_share_group ? EGL_TRUE : EGL_FALSE); | 141 attribs.global_texture_share_group ? EGL_TRUE : EGL_FALSE); |
137 } else { | 142 } else { |
138 DCHECK(!attribs.global_texture_share_group); | 143 DCHECK(!attribs.global_texture_share_group); |
139 } | 144 } |
140 | 145 |
| 146 if (GLSurfaceEGL::HasEGLExtension("EGL_ANGLE_create_context_client_arrays")) { |
| 147 // Disable client arrays if the context supports it |
| 148 context_attributes.push_back(EGL_CONTEXT_CLIENT_ARRAYS_ENABLED_ANGLE); |
| 149 context_attributes.push_back(EGL_FALSE); |
| 150 } |
| 151 |
141 // Append final EGL_NONE to signal the context attributes are finished | 152 // Append final EGL_NONE to signal the context attributes are finished |
142 context_attributes.push_back(EGL_NONE); | 153 context_attributes.push_back(EGL_NONE); |
143 context_attributes.push_back(EGL_NONE); | 154 context_attributes.push_back(EGL_NONE); |
144 | 155 |
145 context_ = eglCreateContext( | 156 context_ = eglCreateContext( |
146 display_, config_, share_group() ? share_group()->GetHandle() : nullptr, | 157 display_, config_, share_group() ? share_group()->GetHandle() : nullptr, |
147 context_attributes.data()); | 158 context_attributes.data()); |
148 | 159 |
149 if (!context_) { | 160 if (!context_) { |
150 LOG(ERROR) << "eglCreateContext failed with error " | 161 LOG(ERROR) << "eglCreateContext failed with error " |
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277 | 288 |
278 bool GLContextEGL::WasAllocatedUsingRobustnessExtension() { | 289 bool GLContextEGL::WasAllocatedUsingRobustnessExtension() { |
279 return GLSurfaceEGL::IsCreateContextRobustnessSupported(); | 290 return GLSurfaceEGL::IsCreateContextRobustnessSupported(); |
280 } | 291 } |
281 | 292 |
282 GLContextEGL::~GLContextEGL() { | 293 GLContextEGL::~GLContextEGL() { |
283 Destroy(); | 294 Destroy(); |
284 } | 295 } |
285 | 296 |
286 } // namespace gl | 297 } // namespace gl |
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