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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 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/init/gl_factory.h" | 5 #include "ui/gl/init/gl_factory.h" |
6 | 6 |
7 #include "base/logging.h" | 7 #include "base/logging.h" |
8 #include "base/trace_event/trace_event.h" | 8 #include "base/trace_event/trace_event.h" |
9 #include "ui/gl/gl_bindings.h" | 9 #include "ui/gl/gl_bindings.h" |
10 #include "ui/gl/gl_context.h" | 10 #include "ui/gl/gl_context.h" |
11 #include "ui/gl/gl_context_egl.h" | 11 #include "ui/gl/gl_context_egl.h" |
12 #include "ui/gl/gl_context_osmesa.h" | 12 #include "ui/gl/gl_context_osmesa.h" |
13 #include "ui/gl/gl_context_stub.h" | 13 #include "ui/gl/gl_context_stub.h" |
14 #include "ui/gl/gl_implementation.h" | 14 #include "ui/gl/gl_implementation.h" |
15 #include "ui/gl/gl_share_group.h" | 15 #include "ui/gl/gl_share_group.h" |
16 #include "ui/gl/gl_surface.h" | 16 #include "ui/gl/gl_surface.h" |
| 17 #include "ui/gl/gl_surface_egl.h" |
| 18 #include "ui/gl/gl_surface_osmesa.h" |
| 19 #include "ui/gl/gl_surface_stub.h" |
17 | 20 |
18 namespace gl { | 21 namespace gl { |
19 namespace init { | 22 namespace init { |
20 | 23 |
21 namespace { | 24 namespace { |
22 | 25 |
23 // Used to render into an already current context+surface, | 26 // Used to render into an already current context+surface, |
24 // that we do not have ownership of (draw callback). | 27 // that we do not have ownership of (draw callback). |
25 // TODO(boliu): Make this inherit from GLContextEGL. | 28 // TODO(boliu): Make this inherit from GLContextEGL. |
26 class GLNonOwnedContext : public GLContextReal { | 29 class GLNonOwnedContext : public GLContextReal { |
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62 } | 65 } |
63 | 66 |
64 std::string GLNonOwnedContext::GetExtensions() { | 67 std::string GLNonOwnedContext::GetExtensions() { |
65 const char* extensions = eglQueryString(display_, EGL_EXTENSIONS); | 68 const char* extensions = eglQueryString(display_, EGL_EXTENSIONS); |
66 if (!extensions) | 69 if (!extensions) |
67 return GLContext::GetExtensions(); | 70 return GLContext::GetExtensions(); |
68 | 71 |
69 return GLContext::GetExtensions() + " " + extensions; | 72 return GLContext::GetExtensions() + " " + extensions; |
70 } | 73 } |
71 | 74 |
72 } // anonymous namespace | 75 } // namespace |
73 | 76 |
74 scoped_refptr<GLContext> CreateGLContext(GLShareGroup* share_group, | 77 scoped_refptr<GLContext> CreateGLContext(GLShareGroup* share_group, |
75 GLSurface* compatible_surface, | 78 GLSurface* compatible_surface, |
76 GpuPreference gpu_preference) { | 79 GpuPreference gpu_preference) { |
77 TRACE_EVENT0("gpu", "gl::init::CreateGLContext"); | 80 TRACE_EVENT0("gpu", "gl::init::CreateGLContext"); |
78 switch (GetGLImplementation()) { | 81 switch (GetGLImplementation()) { |
79 case kGLImplementationMockGL: | 82 case kGLImplementationMockGL: |
80 return scoped_refptr<GLContext>(new GLContextStub(share_group)); | 83 return scoped_refptr<GLContext>(new GLContextStub(share_group)); |
81 case kGLImplementationOSMesaGL: | 84 case kGLImplementationOSMesaGL: |
82 return InitializeGLContext(new GLContextOSMesa(share_group), | 85 return InitializeGLContext(new GLContextOSMesa(share_group), |
83 compatible_surface, gpu_preference); | 86 compatible_surface, gpu_preference); |
84 default: | 87 default: |
85 if (compatible_surface->GetHandle()) { | 88 if (compatible_surface->GetHandle()) { |
86 return InitializeGLContext(new GLContextEGL(share_group), | 89 return InitializeGLContext(new GLContextEGL(share_group), |
87 compatible_surface, gpu_preference); | 90 compatible_surface, gpu_preference); |
88 } else { | 91 } else { |
89 return InitializeGLContext(new GLNonOwnedContext(share_group), | 92 return InitializeGLContext(new GLNonOwnedContext(share_group), |
90 compatible_surface, gpu_preference); | 93 compatible_surface, gpu_preference); |
91 } | 94 } |
92 } | 95 } |
93 } | 96 } |
94 | 97 |
| 98 scoped_refptr<GLSurface> CreateViewGLSurface(gfx::AcceleratedWidget window) { |
| 99 TRACE_EVENT0("gpu", "gl::init::CreateViewGLSurface"); |
| 100 CHECK_NE(kGLImplementationNone, GetGLImplementation()); |
| 101 switch (GetGLImplementation()) { |
| 102 case kGLImplementationOSMesaGL: |
| 103 return InitializeGLSurface(new GLSurfaceOSMesaHeadless()); |
| 104 case kGLImplementationEGLGLES2: |
| 105 if (window != gfx::kNullAcceleratedWidget) { |
| 106 return InitializeGLSurface(new NativeViewGLSurfaceEGL(window)); |
| 107 } else { |
| 108 return InitializeGLSurface(new GLSurfaceStub()); |
| 109 } |
| 110 default: |
| 111 NOTREACHED(); |
| 112 return nullptr; |
| 113 } |
| 114 } |
| 115 |
| 116 scoped_refptr<GLSurface> CreateOffscreenGLSurface(const gfx::Size& size) { |
| 117 TRACE_EVENT0("gpu", "gl::init::CreateOffscreenGLSurface"); |
| 118 CHECK_NE(kGLImplementationNone, GetGLImplementation()); |
| 119 switch (GetGLImplementation()) { |
| 120 case kGLImplementationOSMesaGL: { |
| 121 return InitializeGLSurface( |
| 122 new GLSurfaceOSMesa(GLSurface::SURFACE_OSMESA_BGRA, size)); |
| 123 } |
| 124 case kGLImplementationEGLGLES2: { |
| 125 scoped_refptr<GLSurface> surface; |
| 126 if (GLSurfaceEGL::IsEGLSurfacelessContextSupported() && |
| 127 (size.width() == 0 && size.height() == 0)) { |
| 128 return InitializeGLSurface(new SurfacelessEGL(size)); |
| 129 } else { |
| 130 return InitializeGLSurface(new PbufferGLSurfaceEGL(size)); |
| 131 } |
| 132 } |
| 133 case kGLImplementationMockGL: |
| 134 return new GLSurfaceStub; |
| 135 default: |
| 136 NOTREACHED(); |
| 137 return nullptr; |
| 138 } |
| 139 } |
| 140 |
95 } // namespace init | 141 } // namespace init |
96 } // namespace gl | 142 } // namespace gl |
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