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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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/gfx/gl/gl_surface_cgl.h" | 5 #include "ui/gfx/gl/gl_surface_cgl.h" |
6 | 6 |
7 #include "base/basictypes.h" | 7 #include "base/basictypes.h" |
8 #include "base/logging.h" | 8 #include "base/logging.h" |
| 9 #include "base/mac/mac_util.h" |
9 #include "ui/gfx/gl/gl_bindings.h" | 10 #include "ui/gfx/gl/gl_bindings.h" |
| 11 #include "ui/gfx/gl/gl_context.h" |
10 | 12 |
11 namespace gfx { | 13 namespace gfx { |
12 | 14 |
13 namespace { | 15 namespace { |
14 CGLPixelFormatObj g_pixel_format; | 16 CGLPixelFormatObj g_pixel_format; |
15 } | 17 } |
16 | 18 |
17 GLSurfaceCGL::GLSurfaceCGL() { | 19 GLSurfaceCGL::GLSurfaceCGL() { |
18 } | 20 } |
19 | 21 |
20 GLSurfaceCGL::~GLSurfaceCGL() { | 22 GLSurfaceCGL::~GLSurfaceCGL() { |
21 } | 23 } |
22 | 24 |
23 bool GLSurfaceCGL::InitializeOneOff() { | 25 bool GLSurfaceCGL::InitializeOneOff() { |
24 static bool initialized = false; | 26 static bool initialized = false; |
25 if (initialized) | 27 if (initialized) |
26 return true; | 28 return true; |
27 | 29 |
28 static const CGLPixelFormatAttribute attribs[] = { | 30 // This is called from the sandbox warmup code on Mac OS X. |
29 (CGLPixelFormatAttribute) kCGLPFAPBuffer, | 31 // GPU-related stuff is very slow without this, probably because |
30 (CGLPixelFormatAttribute) 0 | 32 // the sandbox prevents loading graphics drivers or some such. |
31 }; | 33 std::vector<CGLPixelFormatAttribute> attribs; |
| 34 if (GLContext::SupportsDualGpus()) { |
| 35 // Avoid switching to the discrete GPU just for this pixel |
| 36 // format selection. |
| 37 attribs.push_back(kCGLPFAAllowOfflineRenderers); |
| 38 } |
| 39 attribs.push_back(static_cast<CGLPixelFormatAttribute>(0)); |
| 40 |
| 41 CGLPixelFormatObj format; |
32 GLint num_pixel_formats; | 42 GLint num_pixel_formats; |
33 if (CGLChoosePixelFormat(attribs, | 43 if (CGLChoosePixelFormat(&attribs.front(), |
34 &g_pixel_format, | 44 &format, |
35 &num_pixel_formats) != kCGLNoError) { | 45 &num_pixel_formats) != kCGLNoError) { |
36 LOG(ERROR) << "Error choosing pixel format."; | 46 LOG(ERROR) << "Error choosing pixel format."; |
37 return false; | 47 return false; |
38 } | 48 } |
39 if (num_pixel_formats == 0) { | 49 if (!format) { |
40 LOG(ERROR) << "num_pixel_formats == 0."; | 50 LOG(ERROR) << "format == 0."; |
41 return false; | 51 return false; |
42 } | 52 } |
43 if (!g_pixel_format) { | 53 CGLReleasePixelFormat(format); |
44 LOG(ERROR) << "pixel_format == 0."; | 54 DCHECK_NE(num_pixel_formats, 0); |
45 return false; | |
46 } | |
47 | |
48 initialized = true; | 55 initialized = true; |
49 return true; | 56 return true; |
50 } | 57 } |
51 | 58 |
52 void* GLSurfaceCGL::GetPixelFormat() { | 59 void* GLSurfaceCGL::GetPixelFormat() { |
53 return g_pixel_format; | 60 return g_pixel_format; |
54 } | 61 } |
55 | 62 |
56 PbufferGLSurfaceCGL::PbufferGLSurfaceCGL(const gfx::Size& size) | 63 PbufferGLSurfaceCGL::PbufferGLSurfaceCGL(const gfx::Size& size) |
57 : size_(size), | 64 : size_(size), |
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96 | 103 |
97 gfx::Size PbufferGLSurfaceCGL::GetSize() { | 104 gfx::Size PbufferGLSurfaceCGL::GetSize() { |
98 return size_; | 105 return size_; |
99 } | 106 } |
100 | 107 |
101 void* PbufferGLSurfaceCGL::GetHandle() { | 108 void* PbufferGLSurfaceCGL::GetHandle() { |
102 return pbuffer_; | 109 return pbuffer_; |
103 } | 110 } |
104 | 111 |
105 } // namespace gfx | 112 } // namespace gfx |
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