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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 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 "services/ui/surfaces/display_output_surface_ozone.h" | 5 #include "services/ui/surfaces/display_output_surface_ozone.h" |
| 6 | 6 |
| 7 #include <utility> | 7 #include <utility> |
| 8 | 8 |
| 9 #include "base/bind.h" | 9 #include "base/bind.h" |
| 10 #include "base/memory/ptr_util.h" | 10 #include "base/memory/ptr_util.h" |
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| 28 gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager, | 28 gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager, |
| 29 uint32_t target, | 29 uint32_t target, |
| 30 uint32_t internalformat) | 30 uint32_t internalformat) |
| 31 : cc::OutputSurface(context_provider), | 31 : cc::OutputSurface(context_provider), |
| 32 gl_helper_(context_provider->ContextGL(), | 32 gl_helper_(context_provider->ContextGL(), |
| 33 context_provider->ContextSupport()), | 33 context_provider->ContextSupport()), |
| 34 synthetic_begin_frame_source_(synthetic_begin_frame_source), | 34 synthetic_begin_frame_source_(synthetic_begin_frame_source), |
| 35 weak_ptr_factory_(this) { | 35 weak_ptr_factory_(this) { |
| 36 buffer_queue_.reset( | 36 buffer_queue_.reset( |
| 37 new BufferQueue(context_provider->ContextGL(), target, internalformat, | 37 new BufferQueue(context_provider->ContextGL(), target, internalformat, |
| 38 ui::DisplaySnapshot::PrimaryFormat(), &gl_helper_, | 38 display::DisplaySnapshot::PrimaryFormat(), &gl_helper_, |
| 39 gpu_memory_buffer_manager, widget)); | 39 gpu_memory_buffer_manager, widget)); |
| 40 | 40 |
| 41 capabilities_.uses_default_gl_framebuffer = false; | 41 capabilities_.uses_default_gl_framebuffer = false; |
| 42 capabilities_.flipped_output_surface = true; | 42 capabilities_.flipped_output_surface = true; |
| 43 // Set |max_frames_pending| to 2 for surfaceless, which aligns scheduling | 43 // Set |max_frames_pending| to 2 for surfaceless, which aligns scheduling |
| 44 // more closely with the previous surfaced behavior. | 44 // more closely with the previous surfaced behavior. |
| 45 // With a surface, swap buffer ack used to return early, before actually | 45 // With a surface, swap buffer ack used to return early, before actually |
| 46 // presenting the back buffer, enabling the browser compositor to run ahead. | 46 // presenting the back buffer, enabling the browser compositor to run ahead. |
| 47 // Surfaceless implementation acks at the time of actual buffer swap, which | 47 // Surfaceless implementation acks at the time of actual buffer swap, which |
| 48 // shifts the start of the new frame forward relative to the old | 48 // shifts the start of the new frame forward relative to the old |
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| 166 void DisplayOutputSurfaceOzone::OnVSyncParametersUpdated( | 166 void DisplayOutputSurfaceOzone::OnVSyncParametersUpdated( |
| 167 base::TimeTicks timebase, | 167 base::TimeTicks timebase, |
| 168 base::TimeDelta interval) { | 168 base::TimeDelta interval) { |
| 169 // TODO(brianderson): We should not be receiving 0 intervals. | 169 // TODO(brianderson): We should not be receiving 0 intervals. |
| 170 synthetic_begin_frame_source_->OnUpdateVSyncParameters( | 170 synthetic_begin_frame_source_->OnUpdateVSyncParameters( |
| 171 timebase, | 171 timebase, |
| 172 interval.is_zero() ? cc::BeginFrameArgs::DefaultInterval() : interval); | 172 interval.is_zero() ? cc::BeginFrameArgs::DefaultInterval() : interval); |
| 173 } | 173 } |
| 174 | 174 |
| 175 } // namespace ui | 175 } // namespace ui |
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