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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 "mojo/gles2/gles2_context.h" | |
6 | |
7 #include "gpu/command_buffer/client/gles2_cmd_helper.h" | |
8 #include "gpu/command_buffer/client/gles2_implementation.h" | |
9 #include "gpu/command_buffer/client/transfer_buffer.h" | |
10 #include "mojo/public/c/gles2/gles2.h" | |
11 #include "mojo/public/cpp/system/core.h" | |
12 | |
13 namespace mojo { | |
14 namespace gles2 { | |
15 | |
16 namespace { | |
17 const size_t kDefaultCommandBufferSize = 1024 * 1024; | |
18 const size_t kDefaultStartTransferBufferSize = 1 * 1024 * 1024; | |
19 const size_t kDefaultMinTransferBufferSize = 1 * 256 * 1024; | |
20 const size_t kDefaultMaxTransferBufferSize = 16 * 1024 * 1024; | |
21 } | |
22 | |
23 GLES2Context::GLES2Context(const MojoAsyncWaiter* async_waiter, | |
24 ScopedMessagePipeHandle command_buffer_handle, | |
25 MojoGLES2ContextLost lost_callback, | |
26 void* closure) | |
27 : command_buffer_(this, async_waiter, command_buffer_handle.Pass()), | |
28 lost_callback_(lost_callback), | |
29 closure_(closure) {} | |
30 | |
31 GLES2Context::~GLES2Context() {} | |
32 | |
33 bool GLES2Context::Initialize() { | |
34 if (!command_buffer_.Initialize()) | |
35 return false; | |
36 gles2_helper_.reset(new gpu::gles2::GLES2CmdHelper(&command_buffer_)); | |
37 if (!gles2_helper_->Initialize(kDefaultCommandBufferSize)) | |
38 return false; | |
39 gles2_helper_->SetAutomaticFlushes(false); | |
40 transfer_buffer_.reset(new gpu::TransferBuffer(gles2_helper_.get())); | |
41 bool bind_generates_resource = true; | |
42 // TODO(piman): Some contexts (such as compositor) want this to be true, so | |
43 // this needs to be a public parameter. | |
44 bool lose_context_when_out_of_memory = false; | |
45 implementation_.reset( | |
46 new gpu::gles2::GLES2Implementation(gles2_helper_.get(), | |
47 NULL, | |
48 transfer_buffer_.get(), | |
49 bind_generates_resource, | |
50 lose_context_when_out_of_memory, | |
51 &command_buffer_)); | |
52 return implementation_->Initialize(kDefaultStartTransferBufferSize, | |
53 kDefaultMinTransferBufferSize, | |
54 kDefaultMaxTransferBufferSize, | |
55 gpu::gles2::GLES2Implementation::kNoLimit); | |
56 } | |
57 | |
58 void GLES2Context::ContextLost() { lost_callback_(closure_); } | |
59 | |
60 } // namespace gles2 | |
61 } // namespace mojo | |
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