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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 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 "components/mus/public/cpp/context_provider.h" | 5 #include "components/mus/public/cpp/context_provider.h" |
6 | 6 |
7 #include <stdint.h> | 7 #include <stdint.h> |
8 | 8 |
9 #include "base/logging.h" | 9 #include "base/logging.h" |
10 #include "mojo/gles2/gles2_context.h" | 10 #include "mojo/gles2/gles2_context.h" |
11 #include "mojo/gpu/mojo_gles2_impl_autogen.h" | 11 #include "mojo/gpu/mojo_gles2_impl_autogen.h" |
12 | 12 |
13 namespace mus { | 13 namespace mus { |
14 | 14 |
15 ContextProvider::ContextProvider( | 15 ContextProvider::ContextProvider( |
16 mojo::ScopedMessagePipeHandle command_buffer_handle) | 16 mojo::ScopedMessagePipeHandle command_buffer_handle) |
17 : command_buffer_handle_(std::move(command_buffer_handle)), | 17 : command_buffer_handle_(std::move(command_buffer_handle)), |
18 context_(nullptr) { | 18 context_(nullptr) { |
19 // Enabled the CHROMIUM_image extension to use GpuMemoryBuffers. The | |
20 // implementation of which is used in CommandBufferDriver. | |
21 capabilities_.gpu.image = true; | |
22 } | 19 } |
23 | 20 |
24 bool ContextProvider::BindToCurrentThread() { | 21 bool ContextProvider::BindToCurrentThread() { |
25 DCHECK(command_buffer_handle_.is_valid()); | 22 DCHECK(command_buffer_handle_.is_valid()); |
26 context_ = MojoGLES2CreateContext(command_buffer_handle_.release().value(), | 23 context_ = MojoGLES2CreateContext(command_buffer_handle_.release().value(), |
27 nullptr, &ContextLostThunk, this); | 24 nullptr, &ContextLostThunk, this); |
28 context_gl_.reset(new mojo::MojoGLES2Impl(context_)); | 25 context_gl_.reset(new mojo::MojoGLES2Impl(context_)); |
29 return !!context_; | 26 return !!context_; |
30 } | 27 } |
31 | 28 |
32 gpu::gles2::GLES2Interface* ContextProvider::ContextGL() { | 29 gpu::gles2::GLES2Interface* ContextProvider::ContextGL() { |
33 return context_gl_.get(); | 30 return context_gl_.get(); |
34 } | 31 } |
35 | 32 |
36 gpu::ContextSupport* ContextProvider::ContextSupport() { | 33 gpu::ContextSupport* ContextProvider::ContextSupport() { |
37 if (!context_) | 34 if (!context_) |
38 return NULL; | 35 return NULL; |
39 // TODO(rjkroege): Ensure that UIP does not take this code path. | 36 // TODO(rjkroege): Ensure that UIP does not take this code path. |
40 return static_cast<gles2::GLES2Context*>(context_)->context_support(); | 37 return static_cast<gles2::GLES2Context*>(context_)->context_support(); |
41 } | 38 } |
42 | 39 |
43 class GrContext* ContextProvider::GrContext() { | 40 class GrContext* ContextProvider::GrContext() { |
44 return NULL; | 41 return NULL; |
45 } | 42 } |
46 | 43 |
47 void ContextProvider::InvalidateGrContext(uint32_t state) {} | 44 void ContextProvider::InvalidateGrContext(uint32_t state) {} |
48 | 45 |
49 cc::ContextProvider::Capabilities ContextProvider::ContextCapabilities() { | 46 gpu::Capabilities ContextProvider::ContextCapabilities() { |
50 return capabilities_; | 47 gpu::Capabilities capabilities; |
| 48 // Enabled the CHROMIUM_image extension to use GpuMemoryBuffers. The |
| 49 // implementation of which is used in CommandBufferDriver. |
| 50 capabilities.image = true; |
| 51 return capabilities; |
51 } | 52 } |
52 | 53 |
53 void ContextProvider::SetupLock() {} | 54 void ContextProvider::SetupLock() {} |
54 | 55 |
55 base::Lock* ContextProvider::GetLock() { | 56 base::Lock* ContextProvider::GetLock() { |
56 return &context_lock_; | 57 return &context_lock_; |
57 } | 58 } |
58 | 59 |
59 ContextProvider::~ContextProvider() { | 60 ContextProvider::~ContextProvider() { |
60 context_gl_.reset(); | 61 context_gl_.reset(); |
61 if (context_) | 62 if (context_) |
62 MojoGLES2DestroyContext(context_); | 63 MojoGLES2DestroyContext(context_); |
63 } | 64 } |
64 | 65 |
65 void ContextProvider::ContextLost() {} | 66 void ContextProvider::ContextLost() {} |
66 | 67 |
67 } // namespace mus | 68 } // namespace mus |
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