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| 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "content/common/gpu/client/grcontext_for_gles2_interface.h" | |
| 6 | |
| 7 #include <stddef.h> | |
| 8 #include <string.h> | |
| 9 #include <utility> | |
| 10 | |
| 11 #include "base/lazy_instance.h" | |
| 12 #include "base/macros.h" | |
| 13 #include "base/trace_event/trace_event.h" | |
| 14 #include "gpu/command_buffer/client/gles2_interface.h" | |
| 15 #include "gpu/skia_bindings/gl_bindings_skia_cmd_buffer.h" | |
| 16 #include "third_party/skia/include/gpu/GrContext.h" | |
| 17 #include "third_party/skia/include/gpu/gl/GrGLInterface.h" | |
| 18 | |
| 19 namespace content { | |
| 20 | |
| 21 GrContextForGLES2Interface::GrContextForGLES2Interface( | |
| 22 gpu::gles2::GLES2Interface* gl) { | |
| 23 sk_sp<GrGLInterface> interface( | |
| 24 skia_bindings::CreateGLES2InterfaceBindings(gl)); | |
| 25 gr_context_ = | |
| 26 sk_sp<GrContext>(GrContext::Create(kOpenGL_GrBackend, | |
| 27 // GrContext takes ownership of |interface|. | |
| 28 reinterpret_cast<GrBackendContext>(interface.get()))); | |
| 29 if (gr_context_) { | |
| 30 // The limit of the number of GPU resources we hold in the GrContext's | |
| 31 // GPU cache. | |
| 32 static const int kMaxGaneshResourceCacheCount = 2048; | |
| 33 // The limit of the bytes allocated toward GPU resources in the GrContext's | |
| 34 // GPU cache. | |
| 35 static const size_t kMaxGaneshResourceCacheBytes = 96 * 1024 * 1024; | |
| 36 | |
| 37 gr_context_->setResourceCacheLimits(kMaxGaneshResourceCacheCount, | |
| 38 kMaxGaneshResourceCacheBytes); | |
| 39 } | |
| 40 } | |
| 41 | |
| 42 GrContextForGLES2Interface::~GrContextForGLES2Interface() { | |
| 43 // At this point the GLES2Interface is going to be destroyed, so have | |
| 44 // the GrContext clean up and not try to use it anymore. | |
| 45 if (gr_context_) | |
| 46 gr_context_->releaseResourcesAndAbandonContext(); | |
| 47 } | |
| 48 | |
| 49 void GrContextForGLES2Interface::OnLostContext() { | |
| 50 if (gr_context_) | |
| 51 gr_context_->abandonContext(); | |
| 52 } | |
| 53 | |
| 54 void GrContextForGLES2Interface::FreeGpuResources() { | |
| 55 if (gr_context_) { | |
| 56 TRACE_EVENT_INSTANT0("gpu", "GrContext::freeGpuResources", | |
| 57 TRACE_EVENT_SCOPE_THREAD); | |
| 58 gr_context_->freeGpuResources(); | |
| 59 } | |
| 60 } | |
| 61 | |
| 62 } // namespace content | |
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