gpu_raster_buffer_provider.cc | Explore in Territory

// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "cc/raster/gpu_raster_buffer_provider.h"

#include <stdint.h>

#include <algorithm>
#include <bit>
#include <memory>
#include <utility>
#include <vector>

#include "base/logging.h"
#include "base/memory/raw_ptr.h"
#include "base/metrics/histogram_macros.h"
#include "base/rand_util.h"
#include "base/trace_event/process_memory_dump.h"
#include "base/trace_event/trace_event.h"
#include "build/chromeos_buildflags.h"
#include "cc/base/features.h"
#include "cc/base/histograms.h"
#include "cc/paint/display_item_list.h"
#include "cc/paint/paint_canvas.h"
#include "cc/paint/paint_recorder.h"
#include "cc/raster/raster_source.h"
#include "components/viz/client/client_resource_provider.h"
#include "components/viz/common/features.h"
#include "components/viz/common/gpu/raster_context_provider.h"
#include "gpu/GLES2/gl2extchromium.h"
#include "gpu/command_buffer/client/client_shared_image.h"
#include "gpu/command_buffer/client/context_support.h"
#include "gpu/command_buffer/client/raster_interface.h"
#include "gpu/command_buffer/client/shared_image_interface.h"
#include "gpu/command_buffer/common/shared_image_trace_utils.h"
#include "gpu/command_buffer/common/shared_image_usage.h"
#include "skia/ext/legacy_display_globals.h"
#include "third_party/skia/include/core/SkPictureRecorder.h"
#include "third_party/skia/include/core/SkSurface.h"
#include "ui/base/ui_base_features.h"
#include "ui/gfx/geometry/axis_transform2d.h"
#include "url/gurl.h"

namespace cc {

// Subclass for InUsePoolResource that holds ownership of a gpu-rastered backing
// and does cleanup of the backing when destroyed.
class GpuRasterBufferProvider::GpuRasterBacking
    : public ResourcePool::GpuBacking { … };

GpuRasterBufferProvider::RasterBufferImpl::RasterBufferImpl(
    GpuRasterBufferProvider* client,
    const ResourcePool::InUsePoolResource& in_use_resource,
    GpuRasterBacking* backing,
    bool resource_has_previous_content,
    bool depends_on_at_raster_decodes,
    bool depends_on_hardware_accelerated_jpeg_candidates,
    bool depends_on_hardware_accelerated_webp_candidates)
    : … { … }

GpuRasterBufferProvider::RasterBufferImpl::~RasterBufferImpl() = default;

void GpuRasterBufferProvider::RasterBufferImpl::Playback(
    const RasterSource* raster_source,
    const gfx::Rect& raster_full_rect,
    const gfx::Rect& raster_dirty_rect,
    uint64_t new_content_id,
    const gfx::AxisTransform2d& transform,
    const RasterSource::PlaybackSettings& playback_settings,
    const GURL& url) { … }

bool GpuRasterBufferProvider::RasterBufferImpl::
    SupportsBackgroundThreadPriority() const { … }

GpuRasterBufferProvider::GpuRasterBufferProvider(
    viz::RasterContextProvider* compositor_context_provider,
    viz::RasterContextProvider* worker_context_provider,
    const RasterCapabilities& raster_caps,
    const gfx::Size& max_tile_size,
    bool unpremultiply_and_dither_low_bit_depth_tiles,
    RasterQueryQueue* const pending_raster_queries,
    float raster_metric_probability)
    : … { … }

GpuRasterBufferProvider::~GpuRasterBufferProvider() = default;

std::unique_ptr<RasterBuffer> GpuRasterBufferProvider::AcquireBufferForRaster(
    const ResourcePool::InUsePoolResource& resource,
    uint64_t resource_content_id,
    uint64_t previous_content_id,
    bool depends_on_at_raster_decodes,
    bool depends_on_hardware_accelerated_jpeg_candidates,
    bool depends_on_hardware_accelerated_webp_candidates) { … }

void GpuRasterBufferProvider::Flush() { … }

viz::SharedImageFormat GpuRasterBufferProvider::GetFormat() const { … }

bool GpuRasterBufferProvider::IsResourcePremultiplied() const { … }

bool GpuRasterBufferProvider::IsResourceReadyToDraw(
    const ResourcePool::InUsePoolResource& resource) { … }

bool GpuRasterBufferProvider::CanPartialRasterIntoProvidedResource() const { … }

uint64_t GpuRasterBufferProvider::SetReadyToDrawCallback(
    const std::vector<const ResourcePool::InUsePoolResource*>& resources,
    base::OnceClosure callback,
    uint64_t pending_callback_id) { … }

void GpuRasterBufferProvider::Shutdown() { … }

void GpuRasterBufferProvider::RasterBufferImpl::PlaybackOnWorkerThread(
    const RasterSource* raster_source,
    const gfx::Rect& raster_full_rect,
    const gfx::Rect& raster_dirty_rect,
    uint64_t new_content_id,
    const gfx::AxisTransform2d& transform,
    const RasterSource::PlaybackSettings& playback_settings,
    const GURL& url) { … }

void GpuRasterBufferProvider::RasterBufferImpl::PlaybackOnWorkerThreadInternal(
    const RasterSource* raster_source,
    const gfx::Rect& raster_full_rect,
    const gfx::Rect& raster_dirty_rect,
    uint64_t new_content_id,
    const gfx::AxisTransform2d& transform,
    const RasterSource::PlaybackSettings& playback_settings,
    const GURL& url,
    RasterQuery* query) { … }

void GpuRasterBufferProvider::RasterBufferImpl::RasterizeSource(
    const RasterSource* raster_source,
    const gfx::Rect& raster_full_rect,
    const gfx::Rect& playback_rect,
    const gfx::AxisTransform2d& transform,
    const RasterSource::PlaybackSettings& playback_settings) { … }

bool GpuRasterBufferProvider::ShouldUnpremultiplyAndDitherResource(
    viz::SharedImageFormat format) const { … }

}  // namespace cc
chromium/cc/raster/gpu_raster_buffer_provider.cc
