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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 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 "cc/raster/one_copy_raster_buffer_provider.h" | 5 #include "cc/raster/one_copy_raster_buffer_provider.h" |
| 6 | 6 |
| 7 #include <stdint.h> | 7 #include <stdint.h> |
| 8 | 8 |
| 9 #include <algorithm> | 9 #include <algorithm> |
| 10 #include <limits> | 10 #include <limits> |
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| 229 DCHECK(gl); | 229 DCHECK(gl); |
| 230 // Synchronize with compositor. | 230 // Synchronize with compositor. |
| 231 gl->WaitSyncTokenCHROMIUM(sync_token.GetConstData()); | 231 gl->WaitSyncTokenCHROMIUM(sync_token.GetConstData()); |
| 232 } | 232 } |
| 233 | 233 |
| 234 std::unique_ptr<StagingBuffer> staging_buffer = | 234 std::unique_ptr<StagingBuffer> staging_buffer = |
| 235 staging_pool_.AcquireStagingBuffer(resource, previous_content_id); | 235 staging_pool_.AcquireStagingBuffer(resource, previous_content_id); |
| 236 | 236 |
| 237 PlaybackToStagingBuffer(staging_buffer.get(), resource, raster_source, | 237 PlaybackToStagingBuffer(staging_buffer.get(), resource, raster_source, |
| 238 raster_full_rect, raster_dirty_rect, scale, | 238 raster_full_rect, raster_dirty_rect, scale, |
| 239 resource_lock->sk_color_space(), playback_settings, | 239 playback_settings, previous_content_id, |
| 240 previous_content_id, new_content_id); | 240 new_content_id); |
| 241 | 241 |
| 242 CopyOnWorkerThread(staging_buffer.get(), resource_lock, sync_token, | 242 CopyOnWorkerThread(staging_buffer.get(), resource_lock, sync_token, |
| 243 raster_source, previous_content_id, new_content_id); | 243 raster_source, previous_content_id, new_content_id); |
| 244 | 244 |
| 245 staging_pool_.ReleaseStagingBuffer(std::move(staging_buffer)); | 245 staging_pool_.ReleaseStagingBuffer(std::move(staging_buffer)); |
| 246 } | 246 } |
| 247 | 247 |
| 248 void OneCopyRasterBufferProvider::PlaybackToStagingBuffer( | 248 void OneCopyRasterBufferProvider::PlaybackToStagingBuffer( |
| 249 StagingBuffer* staging_buffer, | 249 StagingBuffer* staging_buffer, |
| 250 const Resource* resource, | 250 const Resource* resource, |
| 251 const RasterSource* raster_source, | 251 const RasterSource* raster_source, |
| 252 const gfx::Rect& raster_full_rect, | 252 const gfx::Rect& raster_full_rect, |
| 253 const gfx::Rect& raster_dirty_rect, | 253 const gfx::Rect& raster_dirty_rect, |
| 254 float scale, | 254 float scale, |
| 255 sk_sp<SkColorSpace> dst_color_space, | |
| 256 const RasterSource::PlaybackSettings& playback_settings, | 255 const RasterSource::PlaybackSettings& playback_settings, |
| 257 uint64_t previous_content_id, | 256 uint64_t previous_content_id, |
| 258 uint64_t new_content_id) { | 257 uint64_t new_content_id) { |
| 259 // Allocate GpuMemoryBuffer if necessary. If using partial raster, we | 258 // Allocate GpuMemoryBuffer if necessary. If using partial raster, we |
| 260 // must allocate a buffer with BufferUsage CPU_READ_WRITE_PERSISTENT. | 259 // must allocate a buffer with BufferUsage CPU_READ_WRITE_PERSISTENT. |
| 261 if (!staging_buffer->gpu_memory_buffer) { | 260 if (!staging_buffer->gpu_memory_buffer) { |
| 262 staging_buffer->gpu_memory_buffer = | 261 staging_buffer->gpu_memory_buffer = |
| 263 resource_provider_->gpu_memory_buffer_manager()->CreateGpuMemoryBuffer( | 262 resource_provider_->gpu_memory_buffer_manager()->CreateGpuMemoryBuffer( |
| 264 staging_buffer->size, BufferFormat(resource->format()), | 263 staging_buffer->size, BufferFormat(resource->format()), |
| 265 StagingBufferUsage(), gpu::kNullSurfaceHandle); | 264 StagingBufferUsage(), gpu::kNullSurfaceHandle); |
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| 294 DCHECK(rv); | 293 DCHECK(rv); |
| 295 DCHECK(buffer->memory(0)); | 294 DCHECK(buffer->memory(0)); |
| 296 // RasterBufferProvider::PlaybackToMemory only supports unsigned strides. | 295 // RasterBufferProvider::PlaybackToMemory only supports unsigned strides. |
| 297 DCHECK_GE(buffer->stride(0), 0); | 296 DCHECK_GE(buffer->stride(0), 0); |
| 298 | 297 |
| 299 DCHECK(!playback_rect.IsEmpty()) | 298 DCHECK(!playback_rect.IsEmpty()) |
| 300 << "Why are we rastering a tile that's not dirty?"; | 299 << "Why are we rastering a tile that's not dirty?"; |
| 301 RasterBufferProvider::PlaybackToMemory( | 300 RasterBufferProvider::PlaybackToMemory( |
| 302 buffer->memory(0), resource->format(), staging_buffer->size, | 301 buffer->memory(0), resource->format(), staging_buffer->size, |
| 303 buffer->stride(0), raster_source, raster_full_rect, playback_rect, | 302 buffer->stride(0), raster_source, raster_full_rect, playback_rect, |
| 304 scale, dst_color_space, playback_settings); | 303 scale, playback_settings); |
| 305 buffer->Unmap(); | 304 buffer->Unmap(); |
| 306 staging_buffer->content_id = new_content_id; | 305 staging_buffer->content_id = new_content_id; |
| 307 } | 306 } |
| 308 } | 307 } |
| 309 | 308 |
| 310 void OneCopyRasterBufferProvider::CopyOnWorkerThread( | 309 void OneCopyRasterBufferProvider::CopyOnWorkerThread( |
| 311 StagingBuffer* staging_buffer, | 310 StagingBuffer* staging_buffer, |
| 312 ResourceProvider::ScopedWriteLockGL* resource_lock, | 311 ResourceProvider::ScopedWriteLockGL* resource_lock, |
| 313 const gpu::SyncToken& sync_token, | 312 const gpu::SyncToken& sync_token, |
| 314 const RasterSource* raster_source, | 313 const RasterSource* raster_source, |
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| 424 resource_lock->set_synchronized(!async_worker_context_enabled_); | 423 resource_lock->set_synchronized(!async_worker_context_enabled_); |
| 425 } | 424 } |
| 426 | 425 |
| 427 gfx::BufferUsage OneCopyRasterBufferProvider::StagingBufferUsage() const { | 426 gfx::BufferUsage OneCopyRasterBufferProvider::StagingBufferUsage() const { |
| 428 return use_partial_raster_ | 427 return use_partial_raster_ |
| 429 ? gfx::BufferUsage::GPU_READ_CPU_READ_WRITE_PERSISTENT | 428 ? gfx::BufferUsage::GPU_READ_CPU_READ_WRITE_PERSISTENT |
| 430 : gfx::BufferUsage::GPU_READ_CPU_READ_WRITE; | 429 : gfx::BufferUsage::GPU_READ_CPU_READ_WRITE; |
| 431 } | 430 } |
| 432 | 431 |
| 433 } // namespace cc | 432 } // namespace cc |
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