blob: ce5876a111ed3262fdcf5eca049648f26f879a23 [file] [log] [blame]
// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "cc/raster/gpu_tile_task_worker_pool.h"
#include <stdint.h>
#include <algorithm>
#include "base/macros.h"
#include "base/trace_event/trace_event.h"
#include "cc/playback/display_list_raster_source.h"
#include "cc/raster/gpu_rasterizer.h"
#include "cc/raster/raster_buffer.h"
#include "cc/raster/scoped_gpu_raster.h"
#include "cc/resources/resource.h"
#include "gpu/command_buffer/client/gles2_interface.h"
#include "third_party/skia/include/core/SkMultiPictureDraw.h"
#include "third_party/skia/include/core/SkPictureRecorder.h"
#include "third_party/skia/include/core/SkSurface.h"
#include "third_party/skia/include/gpu/GrContext.h"
namespace cc {
namespace {
class RasterBufferImpl : public RasterBuffer {
public:
RasterBufferImpl(GpuRasterizer* rasterizer,
const Resource* resource,
uint64_t resource_content_id,
uint64_t previous_content_id)
: rasterizer_(rasterizer),
lock_(rasterizer->resource_provider(), resource->id()),
resource_has_previous_content_(
resource_content_id && resource_content_id == previous_content_id) {
}
// Overridden from RasterBuffer:
void Playback(const DisplayListRasterSource* raster_source,
const gfx::Rect& raster_full_rect,
const gfx::Rect& raster_dirty_rect,
uint64_t new_content_id,
float scale,
bool include_images) override {
TRACE_EVENT0("cc", "RasterBufferImpl::Playback");
// GPU raster doesn't do low res tiles, so should always include images.
DCHECK(include_images);
ContextProvider* context_provider = rasterizer_->resource_provider()
->output_surface()
->worker_context_provider();
DCHECK(context_provider);
ContextProvider::ScopedContextLock scoped_context(context_provider);
gfx::Rect playback_rect = raster_full_rect;
if (resource_has_previous_content_) {
playback_rect.Intersect(raster_dirty_rect);
}
DCHECK(!playback_rect.IsEmpty())
<< "Why are we rastering a tile that's not dirty?";
// TODO(danakj): Implement partial raster with raster_dirty_rect.
// Rasterize source into resource.
rasterizer_->RasterizeSource(&lock_, raster_source, raster_full_rect,
playback_rect, scale);
// Barrier to sync worker context output to cc context.
scoped_context.ContextGL()->OrderingBarrierCHROMIUM();
}
private:
GpuRasterizer* rasterizer_;
ResourceProvider::ScopedWriteLockGr lock_;
bool resource_has_previous_content_;
DISALLOW_COPY_AND_ASSIGN(RasterBufferImpl);
};
} // namespace
// static
scoped_ptr<TileTaskWorkerPool> GpuTileTaskWorkerPool::Create(
base::SequencedTaskRunner* task_runner,
TaskGraphRunner* task_graph_runner,
ContextProvider* context_provider,
ResourceProvider* resource_provider,
bool use_distance_field_text,
int gpu_rasterization_msaa_sample_count) {
return make_scoped_ptr<TileTaskWorkerPool>(new GpuTileTaskWorkerPool(
task_runner, task_graph_runner, context_provider, resource_provider,
use_distance_field_text, gpu_rasterization_msaa_sample_count));
}
GpuTileTaskWorkerPool::GpuTileTaskWorkerPool(
base::SequencedTaskRunner* task_runner,
TaskGraphRunner* task_graph_runner,
ContextProvider* context_provider,
ResourceProvider* resource_provider,
bool use_distance_field_text,
int gpu_rasterization_msaa_sample_count)
: task_runner_(task_runner),
task_graph_runner_(task_graph_runner),
namespace_token_(task_graph_runner_->GetNamespaceToken()),
rasterizer_(new GpuRasterizer(context_provider,
resource_provider,
use_distance_field_text,
gpu_rasterization_msaa_sample_count)) {}
GpuTileTaskWorkerPool::~GpuTileTaskWorkerPool() {
DCHECK_EQ(0u, completed_tasks_.size());
}
TileTaskRunner* GpuTileTaskWorkerPool::AsTileTaskRunner() {
return this;
}
void GpuTileTaskWorkerPool::Shutdown() {
TRACE_EVENT0("cc", "GpuTileTaskWorkerPool::Shutdown");
TaskGraph empty;
task_graph_runner_->ScheduleTasks(namespace_token_, &empty);
task_graph_runner_->WaitForTasksToFinishRunning(namespace_token_);
}
void GpuTileTaskWorkerPool::ScheduleTasks(TaskGraph* graph) {
TRACE_EVENT0("cc", "GpuTileTaskWorkerPool::ScheduleTasks");
ScheduleTasksOnOriginThread(this, graph);
// Barrier to sync any new resources to the worker context.
rasterizer_->resource_provider()
->output_surface()
->context_provider()
->ContextGL()
->OrderingBarrierCHROMIUM();
task_graph_runner_->ScheduleTasks(namespace_token_, graph);
}
void GpuTileTaskWorkerPool::CheckForCompletedTasks() {
TRACE_EVENT0("cc", "GpuTileTaskWorkerPool::CheckForCompletedTasks");
task_graph_runner_->CollectCompletedTasks(namespace_token_,
&completed_tasks_);
CompleteTasks(completed_tasks_);
completed_tasks_.clear();
}
ResourceFormat GpuTileTaskWorkerPool::GetResourceFormat(
bool must_support_alpha) const {
return rasterizer_->resource_provider()->best_render_buffer_format();
}
bool GpuTileTaskWorkerPool::GetResourceRequiresSwizzle(
bool must_support_alpha) const {
// This doesn't require a swizzle because we rasterize to the correct format.
return false;
}
void GpuTileTaskWorkerPool::CompleteTasks(const Task::Vector& tasks) {
for (auto& task : tasks) {
TileTask* tile_task = static_cast<TileTask*>(task.get());
tile_task->WillComplete();
tile_task->CompleteOnOriginThread(this);
tile_task->DidComplete();
}
completed_tasks_.clear();
}
scoped_ptr<RasterBuffer> GpuTileTaskWorkerPool::AcquireBufferForRaster(
const Resource* resource,
uint64_t resource_content_id,
uint64_t previous_content_id) {
return scoped_ptr<RasterBuffer>(new RasterBufferImpl(
rasterizer_.get(), resource, resource_content_id, previous_content_id));
}
void GpuTileTaskWorkerPool::ReleaseBufferForRaster(
scoped_ptr<RasterBuffer> buffer) {
// Nothing to do here. RasterBufferImpl destructor cleans up after itself.
}
} // namespace cc