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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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25 #ifndef EGL_CHROMIUM_create_context_bind_generates_resource | 25 #ifndef EGL_CHROMIUM_create_context_bind_generates_resource |
26 #define EGL_CHROMIUM_create_context_bind_generates_resource 1 | 26 #define EGL_CHROMIUM_create_context_bind_generates_resource 1 |
27 #define EGL_CONTEXT_BIND_GENERATES_RESOURCE_CHROMIUM 0x3AAD | 27 #define EGL_CONTEXT_BIND_GENERATES_RESOURCE_CHROMIUM 0x3AAD |
28 #endif /* EGL_CHROMIUM_create_context_bind_generates_resource */ | 28 #endif /* EGL_CHROMIUM_create_context_bind_generates_resource */ |
29 | 29 |
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_CONTEXT_PRIORITY_LEVEL_IMG |
| 36 #define EGL_CONTEXT_PRIORITY_LEVEL_IMG 0x3100 |
| 37 #define EGL_CONTEXT_PRIORITY_LOW_IMG 0x3103 |
| 38 #endif /* EGL_CONTEXT_PRIORITY_LEVEL */ |
| 39 |
| 40 |
35 using ui::GetLastEGLErrorString; | 41 using ui::GetLastEGLErrorString; |
36 | 42 |
37 namespace gl { | 43 namespace gl { |
38 | 44 |
39 GLContextEGL::GLContextEGL(GLShareGroup* share_group) | 45 GLContextEGL::GLContextEGL(GLShareGroup* share_group) |
40 : GLContextReal(share_group), | 46 : GLContextReal(share_group), |
41 context_(nullptr), | 47 context_(nullptr), |
42 display_(nullptr), | 48 display_(nullptr), |
43 config_(nullptr), | 49 config_(nullptr), |
44 unbind_fbo_on_makecurrent_(false), | 50 unbind_fbo_on_makecurrent_(false), |
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98 } | 104 } |
99 | 105 |
100 if (GLSurfaceEGL::IsCreateContextWebGLCompatabilitySupported()) { | 106 if (GLSurfaceEGL::IsCreateContextWebGLCompatabilitySupported()) { |
101 context_attributes.push_back(EGL_CONTEXT_WEBGL_COMPATIBILITY_ANGLE); | 107 context_attributes.push_back(EGL_CONTEXT_WEBGL_COMPATIBILITY_ANGLE); |
102 context_attributes.push_back( | 108 context_attributes.push_back( |
103 attribs.webgl_compatibility_context ? EGL_TRUE : EGL_FALSE); | 109 attribs.webgl_compatibility_context ? EGL_TRUE : EGL_FALSE); |
104 } else { | 110 } else { |
105 DCHECK(!attribs.webgl_compatibility_context); | 111 DCHECK(!attribs.webgl_compatibility_context); |
106 } | 112 } |
107 | 113 |
| 114 if (GLSurfaceEGL::IsEGLContextPrioritySupported() && attribs.low_priority) { |
| 115 DVLOG(1) << __FUNCTION__ << ": setting low priority"; |
| 116 context_attributes.push_back(EGL_CONTEXT_PRIORITY_LEVEL_IMG); |
| 117 context_attributes.push_back(EGL_CONTEXT_PRIORITY_LOW_IMG); |
| 118 } |
| 119 |
108 // Append final EGL_NONE to signal the context attributes are finished | 120 // Append final EGL_NONE to signal the context attributes are finished |
109 context_attributes.push_back(EGL_NONE); | 121 context_attributes.push_back(EGL_NONE); |
110 context_attributes.push_back(EGL_NONE); | 122 context_attributes.push_back(EGL_NONE); |
111 | 123 |
112 context_ = eglCreateContext( | 124 context_ = eglCreateContext( |
113 display_, config_, share_group() ? share_group()->GetHandle() : nullptr, | 125 display_, config_, share_group() ? share_group()->GetHandle() : nullptr, |
114 context_attributes.data()); | 126 context_attributes.data()); |
115 | 127 |
116 if (!context_) { | 128 if (!context_) { |
117 LOG(ERROR) << "eglCreateContext failed with error " | 129 LOG(ERROR) << "eglCreateContext failed with error " |
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244 | 256 |
245 bool GLContextEGL::WasAllocatedUsingRobustnessExtension() { | 257 bool GLContextEGL::WasAllocatedUsingRobustnessExtension() { |
246 return GLSurfaceEGL::IsCreateContextRobustnessSupported(); | 258 return GLSurfaceEGL::IsCreateContextRobustnessSupported(); |
247 } | 259 } |
248 | 260 |
249 GLContextEGL::~GLContextEGL() { | 261 GLContextEGL::~GLContextEGL() { |
250 Destroy(); | 262 Destroy(); |
251 } | 263 } |
252 | 264 |
253 } // namespace gl | 265 } // namespace gl |
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