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1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2009 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 <gdk/gdkx.h> | 5 #include <gdk/gdkx.h> |
6 #include "gpu/command_buffer/service/gpu_processor.h" | 6 #include "gpu/command_buffer/service/gpu_processor.h" |
7 #include "gpu/command_buffer/service/x_utils.h" | 7 #include "gpu/command_buffer/service/x_utils.h" |
8 | 8 |
9 using ::base::SharedMemory; | 9 using ::base::SharedMemory; |
10 | 10 |
11 namespace gpu { | 11 namespace gpu { |
12 | 12 |
13 bool GPUProcessor::Initialize(gfx::PluginWindowHandle handle, | 13 bool GPUProcessor::Initialize(gfx::PluginWindowHandle handle, |
14 GPUProcessor* parent, | 14 GPUProcessor* parent, |
15 const gfx::Size& size, | 15 const gfx::Size& size, |
16 uint32 parent_texture_id) { | 16 uint32 parent_texture_id) { |
17 DCHECK(handle); | |
18 | |
19 // Cannot reinitialize. | 17 // Cannot reinitialize. |
20 if (decoder_->window() != NULL) | 18 if (decoder_->context() != NULL) |
21 return false; | 19 return false; |
22 | 20 |
23 // Map the ring buffer and create the parser. | 21 // Map the ring buffer and create the parser. |
24 Buffer ring_buffer = command_buffer_->GetRingBuffer(); | 22 Buffer ring_buffer = command_buffer_->GetRingBuffer(); |
25 if (ring_buffer.ptr) { | 23 if (ring_buffer.ptr) { |
26 parser_.reset(new CommandParser(ring_buffer.ptr, | 24 parser_.reset(new CommandParser(ring_buffer.ptr, |
27 ring_buffer.size, | 25 ring_buffer.size, |
28 0, | 26 0, |
29 ring_buffer.size, | 27 ring_buffer.size, |
30 0, | 28 0, |
31 decoder_.get())); | 29 decoder_.get())); |
32 } else { | 30 } else { |
33 parser_.reset(new CommandParser(NULL, 0, 0, 0, 0, | 31 parser_.reset(new CommandParser(NULL, 0, 0, 0, 0, |
34 decoder_.get())); | 32 decoder_.get())); |
35 } | 33 } |
36 | 34 |
37 // Initialize GAPI immediately if the window handle is valid. | 35 // Initialize GAPI immediately. |
38 XWindowWrapper *window = new XWindowWrapper(GDK_DISPLAY(), handle); | 36 GLXContextWrapper* wrapper = NULL; |
39 decoder_->set_window_wrapper(window); | 37 if (size.width() > 0 && size.height() > 0) { |
| 38 // Offscreen code path. |
| 39 DCHECK(!handle); |
| 40 wrapper = new GLXPbufferWrapper(GDK_DISPLAY()); |
| 41 } else { |
| 42 DCHECK(handle); |
| 43 // Onscreen code path. |
| 44 wrapper = new XWindowWrapper(GDK_DISPLAY(), handle); |
| 45 } |
| 46 decoder_->set_context_wrapper(wrapper); |
40 gles2::GLES2Decoder* parent_decoder = parent ? parent->decoder_.get() : NULL; | 47 gles2::GLES2Decoder* parent_decoder = parent ? parent->decoder_.get() : NULL; |
41 if (!decoder_->Initialize(parent_decoder, | 48 if (!decoder_->Initialize(parent_decoder, |
42 size, | 49 size, |
43 parent_texture_id)) { | 50 parent_texture_id)) { |
44 Destroy(); | 51 Destroy(); |
45 return false; | 52 return false; |
46 } | 53 } |
47 | 54 |
48 return true;} | 55 return true; |
| 56 } |
49 | 57 |
50 void GPUProcessor::Destroy() { | 58 void GPUProcessor::Destroy() { |
51 // Destroy decoder if initialized. | 59 // Destroy decoder if initialized. |
| 60 // TODO(gman): simplify cleanup logic. http://crbug.com/39895 |
52 if (decoder_.get()) { | 61 if (decoder_.get()) { |
53 XWindowWrapper *window = decoder_->window(); | 62 GLXContextWrapper *context = decoder_->context(); |
54 decoder_->Destroy(); | 63 decoder_->Destroy(); |
55 decoder_->set_window_wrapper(NULL); | 64 decoder_->set_context_wrapper(NULL); |
56 delete window; | 65 delete context; |
57 decoder_.reset(); | 66 decoder_.reset(); |
58 } | 67 } |
59 | 68 |
60 parser_.reset(); | 69 parser_.reset(); |
61 } | 70 } |
62 | 71 |
63 } // namespace gpu | 72 } // namespace gpu |
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