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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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