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| 1 // Copyright 2014 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 "components/view_manager/surfaces/surfaces_context_provider.h" | |
| 6 | |
| 7 #include "base/bind.h" | |
| 8 #include "base/bind_helpers.h" | |
| 9 #include "base/synchronization/waitable_event.h" | |
| 10 #include "components/view_manager/gles2/command_buffer_driver.h" | |
| 11 #include "components/view_manager/gles2/command_buffer_impl.h" | |
| 12 #include "components/view_manager/gles2/command_buffer_local.h" | |
| 13 #include "components/view_manager/gles2/gpu_state.h" | |
| 14 #include "components/view_manager/surfaces/surfaces_context_provider_delegate.h" | |
| 15 #include "gpu/command_buffer/client/gles2_cmd_helper.h" | |
| 16 #include "gpu/command_buffer/client/gles2_implementation.h" | |
| 17 #include "gpu/command_buffer/client/transfer_buffer.h" | |
| 18 | |
| 19 namespace surfaces { | |
| 20 | |
| 21 namespace { | |
| 22 const size_t kDefaultCommandBufferSize = 1024 * 1024; | |
| 23 const size_t kDefaultStartTransferBufferSize = 1 * 1024 * 1024; | |
| 24 const size_t kDefaultMinTransferBufferSize = 1 * 256 * 1024; | |
| 25 const size_t kDefaultMaxTransferBufferSize = 16 * 1024 * 1024; | |
| 26 | |
| 27 } | |
| 28 | |
| 29 SurfacesContextProvider::SurfacesContextProvider( | |
| 30 SurfacesContextProviderDelegate* delegate, | |
| 31 gfx::AcceleratedWidget widget, | |
| 32 const scoped_refptr<gles2::GpuState>& state) | |
| 33 : delegate_(delegate), | |
| 34 state_(state), | |
| 35 widget_(widget) { | |
| 36 capabilities_.gpu.image = true; | |
| 37 command_buffer_local_.reset( | |
| 38 new gles2::CommandBufferLocal(this, widget_, state_)); | |
| 39 } | |
| 40 | |
| 41 // This is called when we have an accelerated widget. | |
| 42 bool SurfacesContextProvider::BindToCurrentThread() { | |
| 43 // SurfacesContextProvider should always live on the same thread as the | |
| 44 // View Manager. | |
| 45 DCHECK(CalledOnValidThread()); | |
| 46 if (!command_buffer_local_->Initialize()) | |
| 47 return false; | |
| 48 gles2_helper_.reset( | |
| 49 new gpu::gles2::GLES2CmdHelper( | |
| 50 command_buffer_local_->GetCommandBuffer())); | |
| 51 if (!gles2_helper_->Initialize(kDefaultCommandBufferSize)) | |
| 52 return false; | |
| 53 gles2_helper_->SetAutomaticFlushes(false); | |
| 54 transfer_buffer_.reset(new gpu::TransferBuffer(gles2_helper_.get())); | |
| 55 gpu::Capabilities capabilities = command_buffer_local_->GetCapabilities(); | |
| 56 bool bind_generates_resource = | |
| 57 !!capabilities.bind_generates_resource_chromium; | |
| 58 // TODO(piman): Some contexts (such as compositor) want this to be true, so | |
| 59 // this needs to be a public parameter. | |
| 60 bool lose_context_when_out_of_memory = false; | |
| 61 bool support_client_side_arrays = false; | |
| 62 implementation_.reset( | |
| 63 new gpu::gles2::GLES2Implementation(gles2_helper_.get(), | |
| 64 NULL, | |
| 65 transfer_buffer_.get(), | |
| 66 bind_generates_resource, | |
| 67 lose_context_when_out_of_memory, | |
| 68 support_client_side_arrays, | |
| 69 command_buffer_local_.get())); | |
| 70 return implementation_->Initialize(kDefaultStartTransferBufferSize, | |
| 71 kDefaultMinTransferBufferSize, | |
| 72 kDefaultMaxTransferBufferSize, | |
| 73 gpu::gles2::GLES2Implementation::kNoLimit); | |
| 74 } | |
| 75 | |
| 76 gpu::gles2::GLES2Interface* SurfacesContextProvider::ContextGL() { | |
| 77 return implementation_.get(); | |
| 78 } | |
| 79 | |
| 80 gpu::ContextSupport* SurfacesContextProvider::ContextSupport() { | |
| 81 return implementation_.get(); | |
| 82 } | |
| 83 | |
| 84 class GrContext* SurfacesContextProvider::GrContext() { | |
| 85 return NULL; | |
| 86 } | |
| 87 | |
| 88 void SurfacesContextProvider::InvalidateGrContext(uint32_t state) { | |
| 89 } | |
| 90 | |
| 91 cc::ContextProvider::Capabilities | |
| 92 SurfacesContextProvider::ContextCapabilities() { | |
| 93 return capabilities_; | |
| 94 } | |
| 95 | |
| 96 void SurfacesContextProvider::SetupLock() { | |
| 97 } | |
| 98 | |
| 99 base::Lock* SurfacesContextProvider::GetLock() { | |
| 100 return &context_lock_; | |
| 101 } | |
| 102 | |
| 103 bool SurfacesContextProvider::DestroyedOnMainThread() { | |
| 104 return !command_buffer_local_; | |
| 105 } | |
| 106 | |
| 107 void SurfacesContextProvider::SetLostContextCallback( | |
| 108 const LostContextCallback& lost_context_callback) { | |
| 109 lost_context_callback_ = lost_context_callback; | |
| 110 } | |
| 111 | |
| 112 SurfacesContextProvider::~SurfacesContextProvider() { | |
| 113 implementation_->Flush(); | |
| 114 implementation_.reset(); | |
| 115 transfer_buffer_.reset(); | |
| 116 gles2_helper_.reset(); | |
| 117 command_buffer_local_.reset(); | |
| 118 } | |
| 119 | |
| 120 void SurfacesContextProvider::UpdateVSyncParameters(int64_t timebase, | |
| 121 int64_t interval) { | |
| 122 if (delegate_) | |
| 123 delegate_->OnVSyncParametersUpdated(timebase, interval); | |
| 124 } | |
| 125 | |
| 126 void SurfacesContextProvider::DidLoseContext() { | |
| 127 lost_context_callback_.Run(); | |
| 128 } | |
| 129 | |
| 130 } // namespace surfaces | |
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Chromium Code Reviews
Issue 1344573002:
Mandoline: Rename components/view_manager to components/mus (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master