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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 "content/common/gpu/image_transport_surface.h" | 5 #include "content/common/gpu/image_transport_surface.h" |
6 | 6 |
7 #include "base/mac/scoped_cftyperef.h" | 7 #include "base/mac/scoped_cftyperef.h" |
8 #include "base/memory/scoped_ptr.h" | 8 #include "base/memory/scoped_ptr.h" |
9 #include "content/common/gpu/gpu_messages.h" | 9 #include "content/common/gpu/gpu_messages.h" |
10 #include "ui/gfx/native_widget_types.h" | 10 #include "ui/gfx/native_widget_types.h" |
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210 } | 210 } |
211 | 211 |
212 void IOSurfaceImageTransportSurface::AdjustBufferAllocation() { | 212 void IOSurfaceImageTransportSurface::AdjustBufferAllocation() { |
213 // On mac, the frontbuffer and backbuffer are the same buffer. The buffer is | 213 // On mac, the frontbuffer and backbuffer are the same buffer. The buffer is |
214 // free'd when both the browser and gpu processes have Unref'd the IOSurface. | 214 // free'd when both the browser and gpu processes have Unref'd the IOSurface. |
215 if (!backbuffer_suggested_allocation_ && | 215 if (!backbuffer_suggested_allocation_ && |
216 !frontbuffer_suggested_allocation_ && | 216 !frontbuffer_suggested_allocation_ && |
217 io_surface_.get()) { | 217 io_surface_.get()) { |
218 UnrefIOSurface(); | 218 UnrefIOSurface(); |
219 helper_->Suspend(); | 219 helper_->Suspend(); |
220 } else if (backbuffer_suggested_allocation_ && !io_surface_.get()) { | 220 } else if (backbuffer_suggested_allocation_ && !io_surface_) { |
221 CreateIOSurface(); | 221 CreateIOSurface(); |
222 } | 222 } |
223 } | 223 } |
224 | 224 |
225 bool IOSurfaceImageTransportSurface::SwapBuffers() { | 225 bool IOSurfaceImageTransportSurface::SwapBuffers() { |
226 DCHECK(backbuffer_suggested_allocation_); | 226 DCHECK(backbuffer_suggested_allocation_); |
227 if (!frontbuffer_suggested_allocation_) | 227 if (!frontbuffer_suggested_allocation_) |
228 return true; | 228 return true; |
229 glFlush(); | 229 glFlush(); |
230 | 230 |
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478 manager, stub, surface.get(), false)); | 478 manager, stub, surface.get(), false)); |
479 } | 479 } |
480 } | 480 } |
481 | 481 |
482 // static | 482 // static |
483 void ImageTransportSurface::SetAllowOSMesaForTesting(bool allow) { | 483 void ImageTransportSurface::SetAllowOSMesaForTesting(bool allow) { |
484 g_allow_os_mesa = allow; | 484 g_allow_os_mesa = allow; |
485 } | 485 } |
486 | 486 |
487 } // namespace content | 487 } // namespace content |
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