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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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 "platform/graphics/gpu/SharedContextRateLimiter.h" | 5 #include "platform/graphics/gpu/SharedContextRateLimiter.h" |
6 | 6 |
7 #include "gpu/GLES2/gl2extchromium.h" | 7 #include "gpu/GLES2/gl2extchromium.h" |
8 #include "platform/graphics/gpu/Extensions3DUtil.h" | 8 #include "platform/graphics/gpu/Extensions3DUtil.h" |
9 #include "public/platform/Platform.h" | 9 #include "public/platform/Platform.h" |
10 #include "public/platform/WebGraphicsContext3DProvider.h" | 10 #include "public/platform/WebGraphicsContext3DProvider.h" |
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23 : m_maxPendingTicks(maxPendingTicks), m_canUseSyncQueries(false) { | 23 : m_maxPendingTicks(maxPendingTicks), m_canUseSyncQueries(false) { |
24 m_contextProvider = wrapUnique( | 24 m_contextProvider = wrapUnique( |
25 Platform::current()->createSharedOffscreenGraphicsContext3DProvider()); | 25 Platform::current()->createSharedOffscreenGraphicsContext3DProvider()); |
26 if (!m_contextProvider) | 26 if (!m_contextProvider) |
27 return; | 27 return; |
28 | 28 |
29 gpu::gles2::GLES2Interface* gl = m_contextProvider->contextGL(); | 29 gpu::gles2::GLES2Interface* gl = m_contextProvider->contextGL(); |
30 if (gl && gl->GetGraphicsResetStatusKHR() == GL_NO_ERROR) { | 30 if (gl && gl->GetGraphicsResetStatusKHR() == GL_NO_ERROR) { |
31 std::unique_ptr<Extensions3DUtil> extensionsUtil = | 31 std::unique_ptr<Extensions3DUtil> extensionsUtil = |
32 Extensions3DUtil::create(gl); | 32 Extensions3DUtil::create(gl); |
33 // TODO(junov): when the GLES 3.0 command buffer is ready, we could use fenc
eSync instead | 33 // TODO(junov): when the GLES 3.0 command buffer is ready, we could use |
| 34 // fenceSync instead. |
34 m_canUseSyncQueries = | 35 m_canUseSyncQueries = |
35 extensionsUtil->supportsExtension("GL_CHROMIUM_sync_query"); | 36 extensionsUtil->supportsExtension("GL_CHROMIUM_sync_query"); |
36 } | 37 } |
37 } | 38 } |
38 | 39 |
39 void SharedContextRateLimiter::tick() { | 40 void SharedContextRateLimiter::tick() { |
40 if (!m_contextProvider) | 41 if (!m_contextProvider) |
41 return; | 42 return; |
42 | 43 |
43 gpu::gles2::GLES2Interface* gl = m_contextProvider->contextGL(); | 44 gpu::gles2::GLES2Interface* gl = m_contextProvider->contextGL(); |
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73 while (m_queries.size() > 0) { | 74 while (m_queries.size() > 0) { |
74 gl->DeleteQueriesEXT(1, &m_queries.first()); | 75 gl->DeleteQueriesEXT(1, &m_queries.first()); |
75 m_queries.removeFirst(); | 76 m_queries.removeFirst(); |
76 } | 77 } |
77 } else { | 78 } else { |
78 m_queries.clear(); | 79 m_queries.clear(); |
79 } | 80 } |
80 } | 81 } |
81 | 82 |
82 } // namespace blink | 83 } // namespace blink |
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