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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "gpu/command_buffer/service/shared_image/dcomp_surface_image_representation.h"
#include "base/win/windows_types.h"
#include "gpu/command_buffer/service/memory_tracking.h"
#include "gpu/command_buffer/service/shared_context_state.h"
#include "gpu/command_buffer/service/shared_image/dcomp_surface_image_backing.h"
#include "gpu/command_buffer/service/shared_image/shared_image_backing.h"
#include "gpu/command_buffer/service/shared_image/shared_image_manager.h"
#include "third_party/skia/include/core/SkColorSpace.h"
#include "third_party/skia/include/core/SkColorType.h"
#include "third_party/skia/include/core/SkRefCnt.h"
#include "ui/gl/gl_bindings.h"
#include "ui/gl/gl_context.h"
namespace gpu {
DCompSurfaceOverlayImageRepresentation::DCompSurfaceOverlayImageRepresentation(
SharedImageManager* manager,
SharedImageBacking* backing,
MemoryTypeTracker* tracker)
: OverlayImageRepresentation(manager, backing, tracker) {}
DCompSurfaceOverlayImageRepresentation::
~DCompSurfaceOverlayImageRepresentation() = default;
std::optional<gl::DCLayerOverlayImage>
DCompSurfaceOverlayImageRepresentation::GetDCLayerOverlayImage() {
return static_cast<DCompSurfaceImageBacking*>(backing())
->GetDCLayerOverlayImage();
}
bool DCompSurfaceOverlayImageRepresentation::BeginReadAccess(
gfx::GpuFenceHandle& acquire_fence) {
// DComp surfaces access synchronization happens internally in DWM on commit.
return true;
}
void DCompSurfaceOverlayImageRepresentation::EndReadAccess(
gfx::GpuFenceHandle release_fence) {}
DCompSurfaceSkiaGaneshImageRepresentation::
DCompSurfaceSkiaGaneshImageRepresentation(
scoped_refptr<SharedContextState> context_state,
SharedImageManager* manager,
SharedImageBacking* backing,
MemoryTypeTracker* tracker)
: SkiaGaneshImageRepresentation(context_state->gr_context(),
manager,
backing,
tracker),
context_state_(std::move(context_state)) {
DCHECK(context_state_);
}
DCompSurfaceSkiaGaneshImageRepresentation::
~DCompSurfaceSkiaGaneshImageRepresentation() = default;
std::vector<sk_sp<SkSurface>>
DCompSurfaceSkiaGaneshImageRepresentation::BeginWriteAccess(
int final_msaa_count,
const SkSurfaceProps& surface_props,
const gfx::Rect& update_rect,
std::vector<GrBackendSemaphore>* begin_semaphores,
std::vector<GrBackendSemaphore>* end_semaphores,
std::unique_ptr<skgpu::MutableTextureState>* end_state) {
DCompSurfaceImageBacking* dcomp_backing =
static_cast<DCompSurfaceImageBacking*>(backing());
sk_sp<SkSurface> surface = dcomp_backing->BeginDrawGanesh(
context_state_.get(), final_msaa_count, surface_props, update_rect);
if (!surface) {
return {};
}
return {std::move(surface)};
}
void DCompSurfaceSkiaGaneshImageRepresentation::EndWriteAccess() {
DCompSurfaceImageBacking* dcomp_backing =
static_cast<DCompSurfaceImageBacking*>(backing());
dcomp_backing->EndDrawGanesh();
}
std::vector<sk_sp<GrPromiseImageTexture>>
DCompSurfaceSkiaGaneshImageRepresentation::BeginWriteAccess(
std::vector<GrBackendSemaphore>* begin_semaphores,
std::vector<GrBackendSemaphore>* end_semaphores,
std::unique_ptr<skgpu::MutableTextureState>* end_state) {
NOTREACHED();
}
std::vector<sk_sp<GrPromiseImageTexture>>
DCompSurfaceSkiaGaneshImageRepresentation::BeginReadAccess(
std::vector<GrBackendSemaphore>* begin_semaphores,
std::vector<GrBackendSemaphore>* end_semaphores,
std::unique_ptr<skgpu::MutableTextureState>* end_state) {
NOTREACHED();
}
void DCompSurfaceSkiaGaneshImageRepresentation::EndReadAccess() {
NOTREACHED();
}
DCompSurfaceDawnImageRepresentation::DCompSurfaceDawnImageRepresentation(
SharedImageManager* manager,
SharedImageBacking* backing,
MemoryTypeTracker* tracker,
const wgpu::Device& device,
wgpu::BackendType backend_type)
: DawnImageRepresentation(manager, backing, tracker), device_(device) {}
DCompSurfaceDawnImageRepresentation::~DCompSurfaceDawnImageRepresentation() {
EndAccess();
}
wgpu::Texture DCompSurfaceDawnImageRepresentation::BeginAccess(
wgpu::TextureUsage usage,
wgpu::TextureUsage internal_usage,
const gfx::Rect& update_rect) {
DCompSurfaceImageBacking* dcomp_backing =
static_cast<DCompSurfaceImageBacking*>(backing());
texture_ =
dcomp_backing->BeginDrawDawn(device_, usage, internal_usage, update_rect);
return texture_;
}
wgpu::Texture DCompSurfaceDawnImageRepresentation::BeginAccess(
wgpu::TextureUsage usage,
wgpu::TextureUsage internal_usage) {
NOTREACHED();
}
void DCompSurfaceDawnImageRepresentation::EndAccess() {
if (!texture_) {
return;
}
// Do this before further operations since those could end up destroying the
// Dawn device and we want the fence to be duplicated before then.
DCompSurfaceImageBacking* dcomp_backing =
static_cast<DCompSurfaceImageBacking*>(backing());
dcomp_backing->EndDrawDawn(device_, std::move(texture_));
}
} // namespace gpu
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