chromium/cc/raster/bitmap_raster_buffer_provider.cc

// 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/bitmap_raster_buffer_provider.h"

#include <stddef.h>
#include <stdint.h>
#include <utility>

#include "base/memory/raw_ptr.h"
#include "base/memory/shared_memory_mapping.h"
#include "base/trace_event/process_memory_dump.h"
#include "base/trace_event/trace_event.h"
#include "base/trace_event/traced_value.h"
#include "cc/trees/layer_tree_frame_sink.h"
#include "components/viz/client/client_resource_provider.h"
#include "components/viz/common/resources/bitmap_allocation.h"
#include "components/viz/common/resources/shared_image_format.h"
#include "gpu/command_buffer/client/client_shared_image.h"
#include "gpu/command_buffer/common/shared_image_usage.h"
#include "gpu/ipc/client/client_shared_image_interface.h"
#include "ui/gfx/color_space.h"

namespace cc {
namespace {

class BitmapSoftwareBacking : public ResourcePool::SoftwareBacking { … };

class BitmapRasterBufferImpl : public RasterBuffer { … };

}  // namespace

BitmapRasterBufferProvider::BitmapRasterBufferProvider(
    LayerTreeFrameSink* frame_sink)
    : … { … }

BitmapRasterBufferProvider::~BitmapRasterBufferProvider() = default;

std::unique_ptr<RasterBuffer>
BitmapRasterBufferProvider::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 BitmapRasterBufferProvider::Flush() { … }

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

bool BitmapRasterBufferProvider::IsResourcePremultiplied() const { … }

bool BitmapRasterBufferProvider::CanPartialRasterIntoProvidedResource() const { … }

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

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

void BitmapRasterBufferProvider::Shutdown() { … }

}  // namespace cc