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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_fence.h" | 5 #include "ui/gl/gl_fence.h" |
6 | 6 |
7 #include "base/compiler_specific.h" | 7 #include "base/compiler_specific.h" |
8 #include "build/build_config.h" | 8 #include "build/build_config.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" |
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23 | 23 |
24 GLFence::GLFence() { | 24 GLFence::GLFence() { |
25 } | 25 } |
26 | 26 |
27 GLFence::~GLFence() { | 27 GLFence::~GLFence() { |
28 } | 28 } |
29 | 29 |
30 bool GLFence::IsSupported() { | 30 bool GLFence::IsSupported() { |
31 DCHECK(GetGLVersionInfo()); | 31 DCHECK(GetGLVersionInfo()); |
32 return g_driver_gl.ext.b_GL_ARB_sync || GetGLVersionInfo()->is_es3 || | 32 return g_driver_gl.ext.b_GL_ARB_sync || GetGLVersionInfo()->is_es3 || |
33 GetGLImplementation() == kGLImplementationDesktopGLCoreProfile || | 33 GetGLVersionInfo()->is_desktop_core_profile || |
34 #if defined(OS_MACOSX) | 34 #if defined(OS_MACOSX) |
35 g_driver_gl.ext.b_GL_APPLE_fence || | 35 g_driver_gl.ext.b_GL_APPLE_fence || |
36 #else | 36 #else |
37 g_driver_egl.ext.b_EGL_KHR_fence_sync || | 37 g_driver_egl.ext.b_EGL_KHR_fence_sync || |
38 #endif | 38 #endif |
39 g_driver_gl.ext.b_GL_NV_fence; | 39 g_driver_gl.ext.b_GL_NV_fence; |
40 } | 40 } |
41 | 41 |
42 GLFence* GLFence::Create() { | 42 GLFence* GLFence::Create() { |
43 DCHECK(GLContext::GetCurrent()) | 43 DCHECK(GLContext::GetCurrent()) |
44 << "Trying to create fence with no context"; | 44 << "Trying to create fence with no context"; |
45 | 45 |
46 std::unique_ptr<GLFence> fence; | 46 std::unique_ptr<GLFence> fence; |
47 #if !defined(OS_MACOSX) | 47 #if !defined(OS_MACOSX) |
48 if (g_driver_egl.ext.b_EGL_KHR_fence_sync && | 48 if (g_driver_egl.ext.b_EGL_KHR_fence_sync && |
49 g_driver_egl.ext.b_EGL_KHR_wait_sync) { | 49 g_driver_egl.ext.b_EGL_KHR_wait_sync) { |
50 // Prefer GLFenceEGL which doesn't require GL context switching. | 50 // Prefer GLFenceEGL which doesn't require GL context switching. |
51 fence.reset(new GLFenceEGL); | 51 fence.reset(new GLFenceEGL); |
52 } else | 52 } else |
53 #endif | 53 #endif |
54 if (g_driver_gl.ext.b_GL_ARB_sync || GetGLVersionInfo()->is_es3 || | 54 if (g_driver_gl.ext.b_GL_ARB_sync || GetGLVersionInfo()->is_es3 || |
55 GetGLImplementation() == kGLImplementationDesktopGLCoreProfile) { | 55 GetGLVersionInfo()->is_desktop_core_profile) { |
56 // Prefer ARB_sync which supports server-side wait. | 56 // Prefer ARB_sync which supports server-side wait. |
57 fence.reset(new GLFenceARB); | 57 fence.reset(new GLFenceARB); |
58 #if defined(OS_MACOSX) | 58 #if defined(OS_MACOSX) |
59 } else if (g_driver_gl.ext.b_GL_APPLE_fence) { | 59 } else if (g_driver_gl.ext.b_GL_APPLE_fence) { |
60 fence.reset(new GLFenceAPPLE); | 60 fence.reset(new GLFenceAPPLE); |
61 #else | 61 #else |
62 } else if (g_driver_egl.ext.b_EGL_KHR_fence_sync) { | 62 } else if (g_driver_egl.ext.b_EGL_KHR_fence_sync) { |
63 fence.reset(new GLFenceEGL); | 63 fence.reset(new GLFenceEGL); |
64 #endif | 64 #endif |
65 } else if (g_driver_gl.ext.b_GL_NV_fence) { | 65 } else if (g_driver_gl.ext.b_GL_NV_fence) { |
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77 | 77 |
78 void GLFence::ResetState() { | 78 void GLFence::ResetState() { |
79 NOTIMPLEMENTED(); | 79 NOTIMPLEMENTED(); |
80 } | 80 } |
81 | 81 |
82 void GLFence::Invalidate() { | 82 void GLFence::Invalidate() { |
83 NOTIMPLEMENTED(); | 83 NOTIMPLEMENTED(); |
84 } | 84 } |
85 | 85 |
86 } // namespace gl | 86 } // namespace gl |
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