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chromium / chromium / src.git / a8a460cbc25a2474b48b844756503d749c584738 / . / ui / gl / swap_chain_presenter.cc
blob: 38591746ee6989d291d7e8ac3e0003b83e502351 [file] [log] [blame]
// Copyright 2019 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 "ui/gl/swap_chain_presenter.h"
#include <d3d11_1.h>
#include <d3d11_4.h>
#include "base/debug/alias.h"
#include "base/debug/dump_without_crashing.h"
#include "base/feature_list.h"
#include "base/metrics/histogram_functions.h"
#include "base/metrics/histogram_macros.h"
#include "base/synchronization/waitable_event.h"
#include "base/trace_event/trace_event.h"
#include "ui/gfx/color_space_win.h"
#include "ui/gfx/geometry/rect_conversions.h"
#include "ui/gl/dc_layer_tree.h"
#include "ui/gl/direct_composition_surface_win.h"
#include "ui/gl/gl_image_d3d.h"
#include "ui/gl/gl_image_dxgi.h"
#include "ui/gl/gl_image_memory.h"
#include "ui/gl/gl_switches.h"
#include "ui/gl/gl_utils.h"
#include "ui/gl/hdr_metadata_helper_win.h"
namespace gl {
namespace {
// Some drivers fail to correctly handle BT.709 video in overlays. This flag
// converts them to BT.601 in the video processor.
const base::Feature kFallbackBT709VideoToBT601{
"FallbackBT709VideoToBT601", base::FEATURE_DISABLED_BY_DEFAULT};
bool IsProtectedVideo(gfx::ProtectedVideoType protected_video_type) {
return protected_video_type != gfx::ProtectedVideoType::kClear;
}
class ScopedReleaseKeyedMutex {
public:
ScopedReleaseKeyedMutex(Microsoft::WRL::ComPtr<IDXGIKeyedMutex> keyed_mutex,
UINT64 key)
: keyed_mutex_(keyed_mutex), key_(key) {
DCHECK(keyed_mutex);
}
~ScopedReleaseKeyedMutex() {
HRESULT hr = keyed_mutex_->ReleaseSync(key_);
DCHECK(SUCCEEDED(hr));
}
private:
Microsoft::WRL::ComPtr<IDXGIKeyedMutex> keyed_mutex_;
UINT64 key_ = 0;
DISALLOW_COPY_AND_ASSIGN(ScopedReleaseKeyedMutex);
};
// These values are persisted to logs. Entries should not be renumbered and
// numeric values should never be reused.
enum class OverlayFullScreenTypes {
kWindowMode,
kFullScreenMode,
kFullScreenInWidthOnly,
kFullScreenInHeightOnly,
kOverSizedFullScreen,
kNotAvailable,
kMaxValue = kNotAvailable,
};
enum : size_t {
kSwapChainImageIndex = 0,
kNV12ImageIndex = 0,
kYPlaneImageIndex = 0,
kUVPlaneImageIndex = 1,
};
const char* ProtectedVideoTypeToString(gfx::ProtectedVideoType type) {
switch (type) {
case gfx::ProtectedVideoType::kClear:
return "Clear";
case gfx::ProtectedVideoType::kSoftwareProtected:
if (DirectCompositionSurfaceWin::AreOverlaysSupported())
return "SoftwareProtected.HasOverlaySupport";
else
return "SoftwareProtected.NoOverlaySupport";
case gfx::ProtectedVideoType::kHardwareProtected:
return "HardwareProtected";
}
}
bool CreateSurfaceHandleHelper(HANDLE* handle) {
using PFN_DCOMPOSITION_CREATE_SURFACE_HANDLE =
HRESULT(WINAPI*)(DWORD, SECURITY_ATTRIBUTES*, HANDLE*);
static PFN_DCOMPOSITION_CREATE_SURFACE_HANDLE create_surface_handle_function =
nullptr;
if (!create_surface_handle_function) {
HMODULE dcomp = ::GetModuleHandleA("dcomp.dll");
if (!dcomp) {
DLOG(ERROR) << "Failed to get handle for dcomp.dll";
return false;
}
create_surface_handle_function =
reinterpret_cast<PFN_DCOMPOSITION_CREATE_SURFACE_HANDLE>(
::GetProcAddress(dcomp, "DCompositionCreateSurfaceHandle"));
if (!create_surface_handle_function) {
DLOG(ERROR)
<< "Failed to get address for DCompositionCreateSurfaceHandle";
return false;
}
}
HRESULT hr = create_surface_handle_function(COMPOSITIONOBJECT_ALL_ACCESS,
nullptr, handle);
if (FAILED(hr)) {
DLOG(ERROR) << "DCompositionCreateSurfaceHandle failed with error 0x"
<< std::hex << hr;
return false;
}
return true;
}
const char* DxgiFormatToString(DXGI_FORMAT format) {
// Please also modify histogram enum and trace integration tests if new
// formats are added.
switch (format) {
case DXGI_FORMAT_R10G10B10A2_UNORM:
return "RGB10A2";
case DXGI_FORMAT_B8G8R8A8_UNORM:
return "BGRA";
case DXGI_FORMAT_YUY2:
return "YUY2";
case DXGI_FORMAT_NV12:
return "NV12";
default:
NOTREACHED();
return "UNKNOWN";
}
}
bool IsYUVSwapChainFormat(DXGI_FORMAT format) {
if (format == DXGI_FORMAT_NV12 || format == DXGI_FORMAT_YUY2)
return true;
return false;
}
} // namespace
SwapChainPresenter::PresentationHistory::PresentationHistory() = default;
SwapChainPresenter::PresentationHistory::~PresentationHistory() = default;
void SwapChainPresenter::PresentationHistory::AddSample(
DXGI_FRAME_PRESENTATION_MODE mode) {
if (mode == DXGI_FRAME_PRESENTATION_MODE_COMPOSED)
composed_count_++;
presents_.push_back(mode);
if (presents_.size() > kPresentsToStore) {
DXGI_FRAME_PRESENTATION_MODE first_mode = presents_.front();
if (first_mode == DXGI_FRAME_PRESENTATION_MODE_COMPOSED)
composed_count_--;
presents_.pop_front();
}
}
void SwapChainPresenter::PresentationHistory::Clear() {
presents_.clear();
composed_count_ = 0;
}
bool SwapChainPresenter::PresentationHistory::Valid() const {
return presents_.size() >= kPresentsToStore;
}
int SwapChainPresenter::PresentationHistory::composed_count() const {
return composed_count_;
}
SwapChainPresenter::SwapChainPresenter(
DCLayerTree* layer_tree,
Microsoft::WRL::ComPtr<ID3D11Device> d3d11_device,
Microsoft::WRL::ComPtr<IDCompositionDevice2> dcomp_device)
: layer_tree_(layer_tree),
d3d11_device_(d3d11_device),
dcomp_device_(dcomp_device),
is_on_battery_power_(true) {
if (base::PowerMonitor::IsInitialized()) {
is_on_battery_power_ = base::PowerMonitor::IsOnBatteryPower();
base::PowerMonitor::AddObserver(this);
}
}
SwapChainPresenter::~SwapChainPresenter() {
base::PowerMonitor::RemoveObserver(this);
}
DXGI_FORMAT SwapChainPresenter::GetSwapChainFormat(
gfx::ProtectedVideoType protected_video_type,
bool content_is_hdr) {
DXGI_FORMAT yuv_overlay_format =
DirectCompositionSurfaceWin::GetOverlayFormatUsedForSDR();
// TODO(crbug.com/850799): Assess power/perf impact when protected video
// swap chain is composited by DWM.
// Always prefer YUV swap chain for hardware protected video for now.
if (protected_video_type == gfx::ProtectedVideoType::kHardwareProtected)
return yuv_overlay_format;
// Prefer RGB10A2 swapchain when playing HDR content.
if (content_is_hdr)
return DXGI_FORMAT_R10G10B10A2_UNORM;
if (failed_to_create_yuv_swapchain_)
return DXGI_FORMAT_B8G8R8A8_UNORM;
// Start out as YUV.
if (!presentation_history_.Valid())
return yuv_overlay_format;
int composition_count = presentation_history_.composed_count();
// It's more efficient to use a BGRA backbuffer instead of YUV if overlays
// aren't being used, as otherwise DWM will use the video processor a second
// time to convert it to BGRA before displaying it on screen.
if (swap_chain_format_ == yuv_overlay_format) {
// Switch to BGRA once 3/4 of presents are composed.
if (composition_count >= (PresentationHistory::kPresentsToStore * 3 / 4))
return DXGI_FORMAT_B8G8R8A8_UNORM;
} else {
// Switch to YUV once 3/4 are using overlays (or unknown).
if (composition_count < (PresentationHistory::kPresentsToStore / 4))
return yuv_overlay_format;
}
return swap_chain_format_;
}
Microsoft::WRL::ComPtr<ID3D11Texture2D> SwapChainPresenter::UploadVideoImages(
GLImageMemory* y_image_memory,
GLImageMemory* uv_image_memory) {
gfx::Size texture_size = y_image_memory->GetSize();
gfx::Size uv_image_size = uv_image_memory->GetSize();
if (uv_image_size.height() != texture_size.height() / 2 ||
uv_image_size.width() != texture_size.width() / 2 ||
y_image_memory->format() != gfx::BufferFormat::R_8 ||
uv_image_memory->format() != gfx::BufferFormat::RG_88) {
DLOG(ERROR) << "Invalid NV12 GLImageMemory properties.";
return nullptr;
}
TRACE_EVENT1("gpu", "SwapChainPresenter::UploadVideoImages", "size",
texture_size.ToString());
bool use_dynamic_texture = !layer_tree_->disable_nv12_dynamic_textures();
D3D11_TEXTURE2D_DESC desc = {};
desc.Width = texture_size.width();
desc.Height = texture_size.height();
desc.Format = DXGI_FORMAT_NV12;
desc.MipLevels = 1;
desc.ArraySize = 1;
desc.Usage = use_dynamic_texture ? D3D11_USAGE_DYNAMIC : D3D11_USAGE_STAGING;
// This isn't actually bound to a decoder, but dynamic textures need
// BindFlags to be nonzero and D3D11_BIND_DECODER also works when creating
// a VideoProcessorInputView.
desc.BindFlags = use_dynamic_texture ? D3D11_BIND_DECODER : 0;
desc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
desc.MiscFlags = 0;
desc.SampleDesc.Count = 1;
if (!staging_texture_ || (staging_texture_size_ != texture_size)) {
staging_texture_.Reset();
copy_texture_.Reset();
HRESULT hr =
d3d11_device_->CreateTexture2D(&desc, nullptr, &staging_texture_);
base::UmaHistogramSparse(
"GPU.DirectComposition.UploadVideoImages.CreateStagingTexture", hr);
if (FAILED(hr)) {
DLOG(ERROR) << "Creating D3D11 video staging texture failed: " << std::hex
<< hr;
DirectCompositionSurfaceWin::DisableOverlays();
return nullptr;
}
DCHECK(staging_texture_);
staging_texture_size_ = texture_size;
}
Microsoft::WRL::ComPtr<ID3D11DeviceContext> context;
d3d11_device_->GetImmediateContext(&context);
DCHECK(context);
D3D11_MAP map_type =
use_dynamic_texture ? D3D11_MAP_WRITE_DISCARD : D3D11_MAP_WRITE;
D3D11_MAPPED_SUBRESOURCE mapped_resource;
HRESULT hr =
context->Map(staging_texture_.Get(), 0, map_type, 0, &mapped_resource);
if (FAILED(hr)) {
DLOG(ERROR) << "Mapping D3D11 video staging texture failed: " << std::hex
<< hr;
return nullptr;
}
size_t dest_stride = mapped_resource.RowPitch;
for (int y = 0; y < texture_size.height(); y++) {
const uint8_t* y_source =
y_image_memory->memory() + y * y_image_memory->stride();
uint8_t* dest =
reinterpret_cast<uint8_t*>(mapped_resource.pData) + dest_stride * y;
memcpy(dest, y_source, texture_size.width());
}
uint8_t* uv_dest_plane_start =
reinterpret_cast<uint8_t*>(mapped_resource.pData) +
dest_stride * texture_size.height();
for (int y = 0; y < uv_image_size.height(); y++) {
const uint8_t* uv_source =
uv_image_memory->memory() + y * uv_image_memory->stride();
uint8_t* dest = uv_dest_plane_start + dest_stride * y;
memcpy(dest, uv_source, texture_size.width());
}
context->Unmap(staging_texture_.Get(), 0);
if (use_dynamic_texture)
return staging_texture_;
if (!copy_texture_) {
desc.Usage = D3D11_USAGE_DEFAULT;
desc.BindFlags = D3D11_BIND_DECODER;
desc.CPUAccessFlags = 0;
HRESULT hr = d3d11_device_->CreateTexture2D(&desc, nullptr, &copy_texture_);
base::UmaHistogramSparse(
"GPU.DirectComposition.UploadVideoImages.CreateCopyTexture", hr);
if (FAILED(hr)) {
DLOG(ERROR) << "Creating D3D11 video upload texture failed: " << std::hex
<< hr;
DirectCompositionSurfaceWin::DisableOverlays();
return nullptr;
}
DCHECK(copy_texture_);
}
TRACE_EVENT0("gpu", "SwapChainPresenter::UploadVideoImages::CopyResource");
context->CopyResource(copy_texture_.Get(), staging_texture_.Get());
return copy_texture_;
}
gfx::Size SwapChainPresenter::CalculateSwapChainSize(
const ui::DCRendererLayerParams& params) {
// Swap chain size is the minimum of the on-screen size and the source size so
// the video processor can do the minimal amount of work and the overlay has
// to read the minimal amount of data. DWM is also less likely to promote a
// surface to an overlay if it's much larger than its area on-screen.
gfx::Size swap_chain_size = params.content_rect.size();
gfx::Size overlay_onscreen_size = swap_chain_size;
gfx::RectF bounds(params.quad_rect);
params.transform.TransformRect(&bounds);
overlay_onscreen_size = gfx::ToEnclosingRect(bounds).size();
// If transform isn't a scale or translation then swap chain can't be promoted
// to an overlay so avoid blitting to a large surface unnecessarily. Also,
// after the video rotation fix (crbug.com/904035), using rotated size for
// swap chain size will cause stretching since there's no squashing factor in
// the transform to counteract.
// TODO(sunnyps): Support 90/180/270 deg rotations using video context.
if (params.transform.IsScaleOrTranslation()) {
swap_chain_size = overlay_onscreen_size;
}
if (DirectCompositionSurfaceWin::AreScaledOverlaysSupported() &&
!ShouldUseVideoProcessorScaling()) {
// Downscaling doesn't work on Intel display HW, and so DWM will perform an
// extra BLT to avoid HW downscaling. This prevents the use of hardware
// overlays especially for protected video.
swap_chain_size.SetToMin(params.content_rect.size());
}
gfx::Size overlay_monitor_size =
DirectCompositionSurfaceWin::GetOverlayMonitorSize();
if (layer_tree_->disable_larger_than_screen_overlays() &&
!overlay_monitor_size.IsEmpty()) {
// Because of the rounding when converting between pixels and DIPs, a
// fullscreen video can become slightly larger than the monitor - e.g. on
// a 3000x2000 monitor with a scale factor of 1.75 a 1920x1079 video can
// become 3002x1689.
// On older Intel drivers, swapchains that are bigger than the monitor
// won't be put into overlays, which will hurt power usage a lot. On those
// systems, the scaling can be adjusted very slightly so that it's less
// than the monitor size. This should be close to imperceptible.
// TODO(jbauman): Remove when http://crbug.com/668278 is fixed.
const int kOversizeMargin = 3;
if ((swap_chain_size.width() > overlay_monitor_size.width()) &&
(swap_chain_size.width() <=
overlay_monitor_size.width() + kOversizeMargin)) {
swap_chain_size.set_width(overlay_monitor_size.width());
}
if ((swap_chain_size.height() > overlay_monitor_size.height()) &&
(swap_chain_size.height() <=
overlay_monitor_size.height() + kOversizeMargin)) {
swap_chain_size.set_height(overlay_monitor_size.height());
}
}
// 4:2:2 subsampled formats like YUY2 must have an even width, and 4:2:0
// subsampled formats like NV12 must have an even width and height.
if (swap_chain_size.width() % 2 == 1)
swap_chain_size.set_width(swap_chain_size.width() + 1);
if (swap_chain_size.height() % 2 == 1)
swap_chain_size.set_height(swap_chain_size.height() + 1);
return swap_chain_size;
}
void SwapChainPresenter::UpdateVisuals(const ui::DCRendererLayerParams& params,
const gfx::Size& swap_chain_size) {
if (!content_visual_) {
DCHECK(!clip_visual_);
dcomp_device_->CreateVisual(&clip_visual_);
DCHECK(clip_visual_);
dcomp_device_->CreateVisual(&content_visual_);
DCHECK(content_visual_);
clip_visual_->AddVisual(content_visual_.Get(), FALSE, nullptr);
layer_tree_->SetNeedsRebuildVisualTree();
}
// Visual offset is applied before transform so it behaves similar to how the
// compositor uses transform to map quad rect in layer space to target space.
gfx::Point offset = params.quad_rect.origin();
gfx::Transform transform = params.transform;
// Transform is correct for scaling up |quad_rect| to on screen bounds, but
// doesn't include scaling transform from |swap_chain_size| to |quad_rect|.
// Since |swap_chain_size| could be equal to on screen bounds, and therefore
// possibly larger than |quad_rect|, this scaling could be downscaling, but
// only to the extent that it would cancel upscaling already in the transform.
float swap_chain_scale_x =
params.quad_rect.width() * 1.0f / swap_chain_size.width();
float swap_chain_scale_y =
params.quad_rect.height() * 1.0f / swap_chain_size.height();
transform.Scale(swap_chain_scale_x, swap_chain_scale_y);
if (visual_info_.offset != offset || visual_info_.transform != transform) {
visual_info_.offset = offset;
visual_info_.transform = transform;
layer_tree_->SetNeedsRebuildVisualTree();
content_visual_->SetOffsetX(offset.x());
content_visual_->SetOffsetY(offset.y());
Microsoft::WRL::ComPtr<IDCompositionMatrixTransform> dcomp_transform;
dcomp_device_->CreateMatrixTransform(&dcomp_transform);
DCHECK(dcomp_transform);
// SkMatrix44 is column-major, but D2D_MATRIX_3x2_F is row-major.
D2D_MATRIX_3X2_F d2d_matrix = {
{{transform.matrix().get(0, 0), transform.matrix().get(1, 0),
transform.matrix().get(0, 1), transform.matrix().get(1, 1),
transform.matrix().get(0, 3), transform.matrix().get(1, 3)}}};
dcomp_transform->SetMatrix(d2d_matrix);
content_visual_->SetTransform(dcomp_transform.Get());
}
if (visual_info_.is_clipped != params.is_clipped ||
visual_info_.clip_rect != params.clip_rect) {
visual_info_.is_clipped = params.is_clipped;
visual_info_.clip_rect = params.clip_rect;
layer_tree_->SetNeedsRebuildVisualTree();
// DirectComposition clips happen in the pre-transform visual space, while
// cc/ clips happen post-transform. So the clip needs to go on a separate
// parent visual that's untransformed.
if (params.is_clipped) {
Microsoft::WRL::ComPtr<IDCompositionRectangleClip> clip;
dcomp_device_->CreateRectangleClip(&clip);
DCHECK(clip);
clip->SetLeft(params.clip_rect.x());
clip->SetRight(params.clip_rect.right());
clip->SetBottom(params.clip_rect.bottom());
clip->SetTop(params.clip_rect.y());
clip_visual_->SetClip(clip.Get());
} else {
clip_visual_->SetClip(nullptr);
}
}
if (visual_info_.z_order != params.z_order) {
visual_info_.z_order = params.z_order;
layer_tree_->SetNeedsRebuildVisualTree();
}
}
bool SwapChainPresenter::TryPresentToDecodeSwapChain(
GLImageDXGI* nv12_image,
const gfx::Rect& content_rect,
const gfx::Size& swap_chain_size) {
if (ShouldUseVideoProcessorScaling())
return false;
auto not_used_reason = DecodeSwapChainNotUsedReason::kFailedToPresent;
bool nv12_supported =
(DXGI_FORMAT_NV12 ==
DirectCompositionSurfaceWin::GetOverlayFormatUsedForSDR());
// TODO(sunnyps): Try using decode swap chain for uploaded video images.
if (nv12_image && nv12_supported && !failed_to_present_decode_swapchain_) {
D3D11_TEXTURE2D_DESC texture_desc = {};
nv12_image->texture()->GetDesc(&texture_desc);
bool is_decoder_texture = texture_desc.BindFlags & D3D11_BIND_DECODER;
// Decode swap chains do not support shared resources.
// TODO(sunnyps): Find a workaround for when the decoder moves to its own
// thread and D3D device. See https://crbug.com/911847
bool is_shared_texture =
texture_desc.MiscFlags &
(D3D11_RESOURCE_MISC_SHARED | D3D11_RESOURCE_MISC_SHARED_KEYEDMUTEX |
D3D11_RESOURCE_MISC_SHARED_NTHANDLE);
// DXVA decoder (or rather MFT) sometimes gives texture arrays with one
// element, which constitutes most of decode swap chain creation failures.
bool is_unitary_texture_array = texture_desc.ArraySize <= 1;
// Rotated videos are not promoted to overlays. We plan to implement
// rotation using video processor instead of via direct composition. Also
// check for skew and any downscaling specified to direct composition.
bool is_overlay_supported_transform =
visual_info_.transform.IsPositiveScaleOrTranslation();
// Downscaled video isn't promoted to hardware overlays. We prefer to
// blit into the smaller size so that it can be promoted to a hardware
// overlay.
float swap_chain_scale_x =
swap_chain_size.width() * 1.0f / content_rect.width();
float swap_chain_scale_y =
swap_chain_size.height() * 1.0f / content_rect.height();
is_overlay_supported_transform = is_overlay_supported_transform &&
(swap_chain_scale_x >= 1.0f) &&
(swap_chain_scale_y >= 1.0f);
if (is_decoder_texture && !is_shared_texture && !is_unitary_texture_array &&
is_overlay_supported_transform) {
if (PresentToDecodeSwapChain(nv12_image, content_rect, swap_chain_size))
return true;
ReleaseSwapChainResources();
failed_to_present_decode_swapchain_ = true;
not_used_reason = DecodeSwapChainNotUsedReason::kFailedToPresent;
DLOG(ERROR)
<< "Present to decode swap chain failed - falling back to blit";
} else if (!is_decoder_texture) {
not_used_reason = DecodeSwapChainNotUsedReason::kNonDecoderTexture;
} else if (is_shared_texture) {
not_used_reason = DecodeSwapChainNotUsedReason::kSharedTexture;
} else if (is_unitary_texture_array) {
not_used_reason = DecodeSwapChainNotUsedReason::kUnitaryTextureArray;
} else if (!is_overlay_supported_transform) {
not_used_reason = DecodeSwapChainNotUsedReason::kIncompatibleTransform;
}
} else if (!nv12_image) {
not_used_reason = DecodeSwapChainNotUsedReason::kSoftwareFrame;
} else if (!nv12_supported) {
not_used_reason = DecodeSwapChainNotUsedReason::kNv12NotSupported;
} else if (failed_to_present_decode_swapchain_) {
not_used_reason = DecodeSwapChainNotUsedReason::kFailedToPresent;
}
UMA_HISTOGRAM_ENUMERATION(
"GPU.DirectComposition.DecodeSwapChainNotUsedReason", not_used_reason);
return false;
}
bool SwapChainPresenter::PresentToDecodeSwapChain(
GLImageDXGI* nv12_image,
const gfx::Rect& content_rect,
const gfx::Size& swap_chain_size) {
DCHECK(!swap_chain_size.IsEmpty());
TRACE_EVENT2("gpu", "SwapChainPresenter::PresentToDecodeSwapChain",
"content_rect", content_rect.ToString(), "swap_chain_size",
swap_chain_size.ToString());
Microsoft::WRL::ComPtr<IDXGIResource> decode_resource;
nv12_image->texture().As(&decode_resource);
DCHECK(decode_resource);
if (!decode_swap_chain_ || decode_resource_ != decode_resource) {
TRACE_EVENT0(
"gpu",
"SwapChainPresenter::PresentToDecodeSwapChain::CreateDecodeSwapChain");
ReleaseSwapChainResources();
decode_resource_ = decode_resource;
HANDLE handle = INVALID_HANDLE_VALUE;
if (!CreateSurfaceHandleHelper(&handle))
return false;
swap_chain_handle_.Set(handle);
Microsoft::WRL::ComPtr<IDXGIDevice> dxgi_device;
d3d11_device_.As(&dxgi_device);
DCHECK(dxgi_device);
Microsoft::WRL::ComPtr<IDXGIAdapter> dxgi_adapter;
dxgi_device->GetAdapter(&dxgi_adapter);
DCHECK(dxgi_adapter);
Microsoft::WRL::ComPtr<IDXGIFactoryMedia> media_factory;
dxgi_adapter->GetParent(IID_PPV_ARGS(&media_factory));
DCHECK(media_factory);
DXGI_DECODE_SWAP_CHAIN_DESC desc = {};
// Set the DXGI_SWAP_CHAIN_FLAG_FULLSCREEN_VIDEO flag to mark this surface
// as a candidate for full screen video optimizations. If the surface
// does not qualify as fullscreen by DWM's logic then the flag will have
// no effects.
desc.Flags = DXGI_SWAP_CHAIN_FLAG_FULLSCREEN_VIDEO;
HRESULT hr =
media_factory->CreateDecodeSwapChainForCompositionSurfaceHandle(
d3d11_device_.Get(), swap_chain_handle_.Get(), &desc,
decode_resource_.Get(), nullptr, &decode_swap_chain_);
base::UmaHistogramSparse(
"GPU.DirectComposition.DecodeSwapChainCreationResult", hr);
if (FAILED(hr)) {
DLOG(ERROR) << "CreateDecodeSwapChainForCompositionSurfaceHandle failed "
"with error 0x"
<< std::hex << hr;
return false;
}
DCHECK(decode_swap_chain_);
SetSwapChainPresentDuration();
Microsoft::WRL::ComPtr<IDCompositionDesktopDevice> desktop_device;
dcomp_device_.As(&desktop_device);
DCHECK(desktop_device);
hr = desktop_device->CreateSurfaceFromHandle(swap_chain_handle_.Get(),
&decode_surface_);
if (FAILED(hr)) {
DLOG(ERROR) << "CreateSurfaceFromHandle failed with error 0x" << std::hex
<< hr;
return false;
}
DCHECK(decode_surface_);
content_visual_->SetContent(decode_surface_.Get());
layer_tree_->SetNeedsRebuildVisualTree();
} else if (last_presented_images_[kNV12ImageIndex] == nv12_image &&
swap_chain_size_ == swap_chain_size) {
// Early out if we're presenting the same image again.
return true;
}
RECT source_rect = content_rect.ToRECT();
decode_swap_chain_->SetSourceRect(&source_rect);
decode_swap_chain_->SetDestSize(swap_chain_size.width(),
swap_chain_size.height());
RECT target_rect = gfx::Rect(swap_chain_size).ToRECT();
decode_swap_chain_->SetTargetRect(&target_rect);
gfx::ColorSpace color_space = nv12_image->color_space();
if (!color_space.IsValid())
color_space = gfx::ColorSpace::CreateREC709();
// TODO(sunnyps): Move this to gfx::ColorSpaceWin helper where we can access
// internal color space state and do a better job.
// Common color spaces have primaries and transfer function similar to BT 709
// and there are no other choices anyway.
int color_space_flags = DXGI_MULTIPLANE_OVERLAY_YCbCr_FLAG_BT709;
// Proper Rec 709 and 601 have limited or nominal color range.
if (color_space == gfx::ColorSpace::CreateREC709() ||
color_space == gfx::ColorSpace::CreateREC601()) {
color_space_flags |= DXGI_MULTIPLANE_OVERLAY_YCbCr_FLAG_NOMINAL_RANGE;
}
// xvYCC allows colors outside nominal range to encode negative colors that
// allows for a wider gamut.
if (color_space.FullRangeEncodedValues()) {
color_space_flags |= DXGI_MULTIPLANE_OVERLAY_YCbCr_FLAG_xvYCC;
}
decode_swap_chain_->SetColorSpace(
static_cast<DXGI_MULTIPLANE_OVERLAY_YCbCr_FLAGS>(color_space_flags));
UINT present_flags = DXGI_PRESENT_USE_DURATION;
HRESULT hr =
decode_swap_chain_->PresentBuffer(nv12_image->level(), 1, present_flags);
// Ignore DXGI_STATUS_OCCLUDED since that's not an error but only indicates
// that the window is occluded and we can stop rendering.
if (FAILED(hr) && hr != DXGI_STATUS_OCCLUDED) {
DLOG(ERROR) << "PresentBuffer failed with error 0x" << std::hex << hr;
return false;
}
last_presented_images_ = ui::DCRendererLayerParams::OverlayImages();
last_presented_images_[kNV12ImageIndex] = nv12_image;
swap_chain_size_ = swap_chain_size;
if (swap_chain_format_ == DXGI_FORMAT_NV12) {
frames_since_color_space_change_++;
} else {
UMA_HISTOGRAM_COUNTS_1000(
"GPU.DirectComposition.FramesSinceColorSpaceChange",
frames_since_color_space_change_);
frames_since_color_space_change_ = 0;
}
RecordPresentationStatistics();
return true;
}
bool SwapChainPresenter::PresentToSwapChain(
const ui::DCRendererLayerParams& params) {
GLImageDXGI* image_dxgi =
GLImageDXGI::FromGLImage(params.images[kNV12ImageIndex].get());
GLImageMemory* y_image_memory =
GLImageMemory::FromGLImage(params.images[kYPlaneImageIndex].get());
GLImageMemory* uv_image_memory =
GLImageMemory::FromGLImage(params.images[kUVPlaneImageIndex].get());
GLImageD3D* swap_chain_image =
GLImageD3D::FromGLImage(params.images[kSwapChainImageIndex].get());
if (!image_dxgi && (!y_image_memory || !uv_image_memory) &&
!swap_chain_image) {
DLOG(ERROR) << "Video GLImages are missing";
ReleaseSwapChainResources();
// We don't treat this as an error because this could mean that the client
// sent us invalid overlay candidates which we weren't able to detect prior
// to this. This would cause incorrect rendering, but not a failure loop.
return true;
}
if (image_dxgi && !image_dxgi->texture()) {
// We can't proceed if |image_dxgi| has no underlying d3d11 texture. It's
// unclear how we get into this state, but we do observe crashes due to it.
// Just stop here instead, and render incorrectly.
// https://crbug.com/1077645
DLOG(ERROR) << "Video NV12 texture is missing";
ReleaseSwapChainResources();
return true;
}
std::string image_type = "software video frame";
if (image_dxgi)
image_type = "hardware video frame";
if (swap_chain_image)
image_type = "swap chain";
gfx::Size swap_chain_size = swap_chain_image ? swap_chain_image->GetSize()
: CalculateSwapChainSize(params);
TRACE_EVENT2("gpu", "SwapChainPresenter::PresentToSwapChain", "image_type",
image_type, "swap_chain_size", swap_chain_size.ToString());
bool content_is_hdr = image_dxgi && image_dxgi->color_space().IsHDR();
// Do not create a swap chain if swap chain size will be empty.
if (swap_chain_size.IsEmpty()) {
swap_chain_size_ = swap_chain_size;
if (swap_chain_) {
last_presented_images_ = ui::DCRendererLayerParams::OverlayImages();
ReleaseSwapChainResources();
content_visual_->SetContent(nullptr);
layer_tree_->SetNeedsRebuildVisualTree();
}
return true;
}
UpdateVisuals(params, swap_chain_size);
// Swap chain image already has a swap chain that's presented by the client
// e.g. for webgl/canvas low-latency/desynchronized mode.
if (swap_chain_image) {
content_visual_->SetContent(swap_chain_image->swap_chain().Get());
if (last_presented_images_[kSwapChainImageIndex] != swap_chain_image) {
last_presented_images_ = params.images;
ReleaseSwapChainResources();
layer_tree_->SetNeedsRebuildVisualTree();
}
return true;
}
if (TryPresentToDecodeSwapChain(image_dxgi, params.content_rect,
swap_chain_size)) {
return true;
}
bool swap_chain_resized = swap_chain_size_ != swap_chain_size;
DXGI_FORMAT swap_chain_format =
GetSwapChainFormat(params.protected_video_type, content_is_hdr);
bool swap_chain_format_changed = swap_chain_format != swap_chain_format_;
bool toggle_protected_video =
protected_video_type_ != params.protected_video_type;
// Try reallocating swap chain if resizing fails.
if (!swap_chain_ || swap_chain_resized || swap_chain_format_changed ||
toggle_protected_video) {
if (!ReallocateSwapChain(swap_chain_size, swap_chain_format,
params.protected_video_type)) {
ReleaseSwapChainResources();
return false;
}
content_visual_->SetContent(swap_chain_.Get());
layer_tree_->SetNeedsRebuildVisualTree();
} else if (last_presented_images_ == params.images) {
// The swap chain is presenting the same images as last swap, which means
// that the images were never returned to the video decoder and should
// have the same contents as last time. It shouldn't need to be redrawn.
return true;
}
last_presented_images_ = params.images;
Microsoft::WRL::ComPtr<ID3D11Texture2D> input_texture;
UINT input_level;
Microsoft::WRL::ComPtr<IDXGIKeyedMutex> keyed_mutex;
if (image_dxgi) {
input_texture = image_dxgi->texture();
input_level = static_cast<UINT>(image_dxgi->level());
// Keyed mutex may not exist.
keyed_mutex = image_dxgi->keyed_mutex();
staging_texture_.Reset();
copy_texture_.Reset();
} else {
DCHECK(y_image_memory);
DCHECK(uv_image_memory);
input_texture = UploadVideoImages(y_image_memory, uv_image_memory);
input_level = 0;
}
if (!input_texture) {
DLOG(ERROR) << "Video image has no texture";
return false;
}
// TODO(sunnyps): Use correct color space for uploaded video frames.
gfx::ColorSpace src_color_space = gfx::ColorSpace::CreateREC709();
if (image_dxgi && image_dxgi->color_space().IsValid())
src_color_space = image_dxgi->color_space();
base::Optional<DXGI_HDR_METADATA_HDR10> stream_metadata;
if (params.hdr_metadata.IsValid()) {
stream_metadata =
gl::HDRMetadataHelperWin::HDRMetadataToDXGI(params.hdr_metadata);
}
if (!VideoProcessorBlt(input_texture, input_level, keyed_mutex,
params.content_rect, src_color_space, content_is_hdr,
stream_metadata)) {
return false;
}
HRESULT hr, device_removed_reason;
if (first_present_) {
first_present_ = false;
UINT flags = DXGI_PRESENT_USE_DURATION;
hr = swap_chain_->Present(0, flags);
// Ignore DXGI_STATUS_OCCLUDED since that's not an error but only indicates
// that the window is occluded and we can stop rendering.
if (FAILED(hr) && hr != DXGI_STATUS_OCCLUDED) {
DLOG(ERROR) << "Present failed with error 0x" << std::hex << hr;
return false;
}
// DirectComposition can display black for a swap chain between the first
// and second time it's presented to - maybe the first Present can get
// lost somehow and it shows the wrong buffer. In that case copy the
// buffers so both have the correct contents, which seems to help. The
// first Present() after this needs to have SyncInterval > 0, or else the
// workaround doesn't help.
Microsoft::WRL::ComPtr<ID3D11Texture2D> dest_texture;
swap_chain_->GetBuffer(0, IID_PPV_ARGS(&dest_texture));
DCHECK(dest_texture);
Microsoft::WRL::ComPtr<ID3D11Texture2D> src_texture;
hr = swap_chain_->GetBuffer(1, IID_PPV_ARGS(&src_texture));
DCHECK(src_texture);
Microsoft::WRL::ComPtr<ID3D11DeviceContext> context;
d3d11_device_->GetImmediateContext(&context);
DCHECK(context);
context->CopyResource(dest_texture.Get(), src_texture.Get());
// Additionally wait for the GPU to finish executing its commands, or
// there still may be a black flicker when presenting expensive content
// (e.g. 4k video).
Microsoft::WRL::ComPtr<IDXGIDevice2> dxgi_device2;
d3d11_device_.As(&dxgi_device2);
DCHECK(dxgi_device2);
base::WaitableEvent event(base::WaitableEvent::ResetPolicy::AUTOMATIC,
base::WaitableEvent::InitialState::NOT_SIGNALED);
hr = dxgi_device2->EnqueueSetEvent(event.handle());
if (SUCCEEDED(hr)) {
event.Wait();
} else {
device_removed_reason = d3d11_device_->GetDeviceRemovedReason();
base::debug::Alias(&hr);
base::debug::Alias(&device_removed_reason);
base::debug::DumpWithoutCrashing();
}
}
const bool use_swap_chain_tearing =
DirectCompositionSurfaceWin::AllowTearing();
UINT flags = use_swap_chain_tearing ? DXGI_PRESENT_ALLOW_TEARING : 0;
flags |= DXGI_PRESENT_USE_DURATION;
UINT interval = use_swap_chain_tearing ? 0 : 1;
// Ignore DXGI_STATUS_OCCLUDED since that's not an error but only indicates
// that the window is occluded and we can stop rendering.
hr = swap_chain_->Present(interval, flags);
if (FAILED(hr) && hr != DXGI_STATUS_OCCLUDED) {
DLOG(ERROR) << "Present failed with error 0x" << std::hex << hr;
return false;
}
frames_since_color_space_change_++;
RecordPresentationStatistics();
return true;
}
void SwapChainPresenter::SetFrameRate(float frame_rate) {
frame_rate_ = frame_rate;
SetSwapChainPresentDuration();
}
void SwapChainPresenter::RecordPresentationStatistics() {
base::UmaHistogramSparse("GPU.DirectComposition.SwapChainFormat3",
swap_chain_format_);
VideoPresentationMode presentation_mode;
if (decode_swap_chain_) {
presentation_mode = VideoPresentationMode::kZeroCopyDecodeSwapChain;
} else if (staging_texture_) {
presentation_mode = VideoPresentationMode::kUploadAndVideoProcessorBlit;
} else {
presentation_mode = VideoPresentationMode::kBindAndVideoProcessorBlit;
}
UMA_HISTOGRAM_ENUMERATION("GPU.DirectComposition.VideoPresentationMode",
presentation_mode);
UMA_HISTOGRAM_BOOLEAN("GPU.DirectComposition.DecodeSwapChainUsed",
!!decode_swap_chain_);
TRACE_EVENT_INSTANT2(TRACE_DISABLED_BY_DEFAULT("gpu.service"),
"SwapChain::Present", TRACE_EVENT_SCOPE_THREAD,
"PixelFormat", DxgiFormatToString(swap_chain_format_),
"ZeroCopy", !!decode_swap_chain_);
Microsoft::WRL::ComPtr<IDXGISwapChainMedia> swap_chain_media =
GetSwapChainMedia();
if (swap_chain_media) {
DXGI_FRAME_STATISTICS_MEDIA stats = {};
// GetFrameStatisticsMedia fails with DXGI_ERROR_FRAME_STATISTICS_DISJOINT
// sometimes, which means an event (such as power cycle) interrupted the
// gathering of presentation statistics. In this situation, calling the
// function again succeeds but returns with CompositionMode = NONE.
// Waiting for the DXGI adapter to finish presenting before calling the
// function doesn't get rid of the failure.
HRESULT hr = swap_chain_media->GetFrameStatisticsMedia(&stats);
int mode = -1;
if (SUCCEEDED(hr)) {
base::UmaHistogramSparse("GPU.DirectComposition.CompositionMode",
stats.CompositionMode);
if (frame_rate_ != 0) {
// [1ms, 10s] covers the fps between [0.1hz, 1000hz].
base::UmaHistogramTimes("GPU.DirectComposition.ApprovedPresentDuration",
base::TimeDelta::FromMilliseconds(
stats.ApprovedPresentDuration / 10000));
}
presentation_history_.AddSample(stats.CompositionMode);
mode = stats.CompositionMode;
}
// Record CompositionMode as -1 if GetFrameStatisticsMedia() fails.
TRACE_EVENT_INSTANT1(TRACE_DISABLED_BY_DEFAULT("gpu.service"),
"GetFrameStatisticsMedia", TRACE_EVENT_SCOPE_THREAD,
"CompositionMode", mode);
}
}
bool SwapChainPresenter::VideoProcessorBlt(
Microsoft::WRL::ComPtr<ID3D11Texture2D> input_texture,
UINT input_level,
Microsoft::WRL::ComPtr<IDXGIKeyedMutex> keyed_mutex,
const gfx::Rect& content_rect,
const gfx::ColorSpace& src_color_space,
bool content_is_hdr,
base::Optional<DXGI_HDR_METADATA_HDR10> stream_hdr_metadata) {
TRACE_EVENT2("gpu", "SwapChainPresenter::VideoProcessorBlt", "content_rect",
content_rect.ToString(), "swap_chain_size",
swap_chain_size_.ToString());
// TODO(sunnyps): Ensure output color space for YUV swap chains is Rec709 or
// Rec601 so that the conversion from gfx::ColorSpace to DXGI_COLOR_SPACE
// doesn't need a |force_yuv| parameter (and the associated plumbing).
gfx::ColorSpace output_color_space = IsYUVSwapChainFormat(swap_chain_format_)
? src_color_space
: gfx::ColorSpace::CreateSRGB();
if (base::FeatureList::IsEnabled(kFallbackBT709VideoToBT601) &&
(output_color_space == gfx::ColorSpace::CreateREC709())) {
output_color_space = gfx::ColorSpace::CreateREC601();
}
if (content_is_hdr)
output_color_space = gfx::ColorSpace::CreateHDR10();
if (!layer_tree_->InitializeVideoProcessor(
content_rect.size(), swap_chain_size_, src_color_space,
output_color_space, swap_chain_,
IsYUVSwapChainFormat(swap_chain_format_))) {
return false;
}
Microsoft::WRL::ComPtr<ID3D11VideoContext> video_context =
layer_tree_->video_context();
Microsoft::WRL::ComPtr<ID3D11VideoProcessor> video_processor =
layer_tree_->video_processor();
Microsoft::WRL::ComPtr<ID3D11VideoContext2> context2;
base::Optional<DXGI_HDR_METADATA_HDR10> display_metadata =
layer_tree_->GetHDRMetadataHelper()->GetDisplayMetadata();
if (display_metadata.has_value() && SUCCEEDED(video_context.As(&context2))) {
if (stream_hdr_metadata.has_value()) {
context2->VideoProcessorSetStreamHDRMetaData(
video_processor.Get(), 0, DXGI_HDR_METADATA_TYPE_HDR10,
sizeof(DXGI_HDR_METADATA_HDR10), &(*stream_hdr_metadata));
}
context2->VideoProcessorSetOutputHDRMetaData(
video_processor.Get(), DXGI_HDR_METADATA_TYPE_HDR10,
sizeof(DXGI_HDR_METADATA_HDR10), &(*display_metadata));
}
{
base::Optional<ScopedReleaseKeyedMutex> release_keyed_mutex;
if (keyed_mutex) {
// The producer may still be using this texture for a short period of
// time, so wait long enough to hopefully avoid glitches. For example,
// all levels of the texture share the same keyed mutex, so if the
// hardware decoder acquired the mutex to decode into a different array
// level then it still may block here temporarily.
const int kMaxSyncTimeMs = 1000;
HRESULT hr = keyed_mutex->AcquireSync(0, kMaxSyncTimeMs);
if (FAILED(hr)) {
DLOG(ERROR) << "Error acquiring keyed mutex: " << std::hex << hr;
return false;
}
release_keyed_mutex.emplace(keyed_mutex, 0);
}
Microsoft::WRL::ComPtr<ID3D11VideoDevice> video_device =
layer_tree_->video_device();
Microsoft::WRL::ComPtr<ID3D11VideoProcessorEnumerator>
video_processor_enumerator = layer_tree_->video_processor_enumerator();
D3D11_VIDEO_PROCESSOR_INPUT_VIEW_DESC input_desc = {};
input_desc.ViewDimension = D3D11_VPIV_DIMENSION_TEXTURE2D;
input_desc.Texture2D.ArraySlice = input_level;
Microsoft::WRL::ComPtr<ID3D11VideoProcessorInputView> input_view;
HRESULT hr = video_device->CreateVideoProcessorInputView(
input_texture.Get(), video_processor_enumerator.Get(), &input_desc,
&input_view);
if (FAILED(hr)) {
DLOG(ERROR) << "CreateVideoProcessorInputView failed with error 0x"
<< std::hex << hr;
return false;
}
D3D11_VIDEO_PROCESSOR_STREAM stream = {};
stream.Enable = true;
stream.OutputIndex = 0;
stream.InputFrameOrField = 0;
stream.PastFrames = 0;
stream.FutureFrames = 0;
stream.pInputSurface = input_view.Get();
RECT dest_rect = gfx::Rect(swap_chain_size_).ToRECT();
video_context->VideoProcessorSetOutputTargetRect(video_processor.Get(),
TRUE, &dest_rect);
video_context->VideoProcessorSetStreamDestRect(video_processor.Get(), 0,
TRUE, &dest_rect);
RECT source_rect = content_rect.ToRECT();
video_context->VideoProcessorSetStreamSourceRect(video_processor.Get(), 0,
TRUE, &source_rect);
if (!output_view_) {
Microsoft::WRL::ComPtr<ID3D11Texture2D> swap_chain_buffer;
swap_chain_->GetBuffer(0, IID_PPV_ARGS(&swap_chain_buffer));
D3D11_VIDEO_PROCESSOR_OUTPUT_VIEW_DESC output_desc = {};
output_desc.ViewDimension = D3D11_VPOV_DIMENSION_TEXTURE2D;
output_desc.Texture2D.MipSlice = 0;
hr = video_device->CreateVideoProcessorOutputView(
swap_chain_buffer.Get(), video_processor_enumerator.Get(),
&output_desc, &output_view_);
if (FAILED(hr)) {
DLOG(ERROR) << "CreateVideoProcessorOutputView failed with error 0x"
<< std::hex << hr;
return false;
}
DCHECK(output_view_);
}
hr = video_context->VideoProcessorBlt(video_processor.Get(),
output_view_.Get(), 0, 1, &stream);
if (FAILED(hr)) {
DLOG(ERROR) << "VideoProcessorBlt failed with error 0x" << std::hex << hr;
return false;
}
}
return true;
}
void SwapChainPresenter::ReleaseSwapChainResources() {
output_view_.Reset();
swap_chain_.Reset();
decode_surface_.Reset();
decode_swap_chain_.Reset();
decode_resource_.Reset();
swap_chain_handle_.Close();
staging_texture_.Reset();
}
bool SwapChainPresenter::ReallocateSwapChain(
const gfx::Size& swap_chain_size,
DXGI_FORMAT swap_chain_format,
gfx::ProtectedVideoType protected_video_type) {
bool use_yuv_swap_chain = IsYUVSwapChainFormat(swap_chain_format);
TRACE_EVENT2("gpu", "SwapChainPresenter::ReallocateSwapChain", "size",
swap_chain_size.ToString(), "yuv", use_yuv_swap_chain);
DCHECK(!swap_chain_size.IsEmpty());
swap_chain_size_ = swap_chain_size;
protected_video_type_ = protected_video_type;
if (swap_chain_format_ != swap_chain_format) {
UMA_HISTOGRAM_COUNTS_1000(
"GPU.DirectComposition.FramesSinceColorSpaceChange",
frames_since_color_space_change_);
frames_since_color_space_change_ = 0;
}
ReleaseSwapChainResources();
Microsoft::WRL::ComPtr<IDXGIDevice> dxgi_device;
d3d11_device_.As(&dxgi_device);
DCHECK(dxgi_device);
Microsoft::WRL::ComPtr<IDXGIAdapter> dxgi_adapter;
dxgi_device->GetAdapter(&dxgi_adapter);
DCHECK(dxgi_adapter);
Microsoft::WRL::ComPtr<IDXGIFactoryMedia> media_factory;
dxgi_adapter->GetParent(IID_PPV_ARGS(&media_factory));
DCHECK(media_factory);
// The composition surface handle is only used to create YUV swap chains since
// CreateSwapChainForComposition can't do that.
HANDLE handle = INVALID_HANDLE_VALUE;
if (!CreateSurfaceHandleHelper(&handle))
return false;
swap_chain_handle_.Set(handle);
first_present_ = true;
DXGI_SWAP_CHAIN_DESC1 desc = {};
desc.Width = swap_chain_size_.width();
desc.Height = swap_chain_size_.height();
desc.Format = swap_chain_format;
desc.Stereo = FALSE;
desc.SampleDesc.Count = 1;
desc.BufferCount = 2;
desc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
desc.Scaling = DXGI_SCALING_STRETCH;
desc.SwapEffect = DXGI_SWAP_EFFECT_FLIP_SEQUENTIAL;
desc.Flags =
DXGI_SWAP_CHAIN_FLAG_YUV_VIDEO | DXGI_SWAP_CHAIN_FLAG_FULLSCREEN_VIDEO;
if (DirectCompositionSurfaceWin::AllowTearing())
desc.Flags |= DXGI_SWAP_CHAIN_FLAG_ALLOW_TEARING;
if (IsProtectedVideo(protected_video_type))
desc.Flags |= DXGI_SWAP_CHAIN_FLAG_DISPLAY_ONLY;
if (protected_video_type == gfx::ProtectedVideoType::kHardwareProtected)
desc.Flags |= DXGI_SWAP_CHAIN_FLAG_HW_PROTECTED;
desc.AlphaMode = DXGI_ALPHA_MODE_IGNORE;
const std::string kSwapChainCreationResultByFormatUmaPrefix =
"GPU.DirectComposition.SwapChainCreationResult2.";
const std::string kSwapChainCreationResultByVideoTypeUmaPrefix =
"GPU.DirectComposition.SwapChainCreationResult3.";
const std::string protected_video_type_string =
ProtectedVideoTypeToString(protected_video_type);
if (use_yuv_swap_chain) {
TRACE_EVENT1("gpu", "SwapChainPresenter::ReallocateSwapChain::YUV",
"format", DxgiFormatToString(swap_chain_format));
HRESULT hr = media_factory->CreateSwapChainForCompositionSurfaceHandle(
d3d11_device_.Get(), swap_chain_handle_.Get(), &desc, nullptr,
&swap_chain_);
failed_to_create_yuv_swapchain_ = FAILED(hr);
base::UmaHistogramSparse(kSwapChainCreationResultByFormatUmaPrefix +
DxgiFormatToString(swap_chain_format),
hr);
base::UmaHistogramSparse(kSwapChainCreationResultByVideoTypeUmaPrefix +
protected_video_type_string,
hr);
if (failed_to_create_yuv_swapchain_) {
DLOG(ERROR) << "Failed to create "
<< DxgiFormatToString(swap_chain_format)
<< " swap chain of size " << swap_chain_size.ToString()
<< " with error 0x" << std::hex << hr
<< "\nFalling back to BGRA";
use_yuv_swap_chain = false;
swap_chain_format = DXGI_FORMAT_B8G8R8A8_UNORM;
}
}
if (!use_yuv_swap_chain) {
std::ostringstream trace_event_stream;
trace_event_stream << "SwapChainPresenter::ReallocateSwapChain::"
<< DxgiFormatToString(swap_chain_format);
TRACE_EVENT0("gpu", trace_event_stream.str().c_str());
desc.Format = swap_chain_format;
desc.Flags = 0;
if (IsProtectedVideo(protected_video_type))
desc.Flags |= DXGI_SWAP_CHAIN_FLAG_DISPLAY_ONLY;
if (protected_video_type == gfx::ProtectedVideoType::kHardwareProtected)
desc.Flags |= DXGI_SWAP_CHAIN_FLAG_HW_PROTECTED;
if (DirectCompositionSurfaceWin::AllowTearing())
desc.Flags |= DXGI_SWAP_CHAIN_FLAG_ALLOW_TEARING;
HRESULT hr = media_factory->CreateSwapChainForCompositionSurfaceHandle(
d3d11_device_.Get(), swap_chain_handle_.Get(), &desc, nullptr,
&swap_chain_);
base::UmaHistogramSparse(kSwapChainCreationResultByFormatUmaPrefix +
DxgiFormatToString(swap_chain_format),
hr);
base::UmaHistogramSparse(kSwapChainCreationResultByVideoTypeUmaPrefix +
protected_video_type_string,
hr);
if (FAILED(hr)) {
// Disable overlay support so dc_layer_overlay will stop sending down
// overlay frames here and uses GL Composition instead.
DirectCompositionSurfaceWin::DisableOverlays();
DLOG(ERROR) << "Failed to create "
<< DxgiFormatToString(swap_chain_format)
<< " swap chain of size " << swap_chain_size.ToString()
<< " with error 0x" << std::hex << hr
<< ". Disable overlay swap chains";
return false;
}
}
swap_chain_format_ = swap_chain_format;
SetSwapChainPresentDuration();
return true;
}
void SwapChainPresenter::OnPowerStateChange(bool on_battery_power) {
is_on_battery_power_ = on_battery_power;
}
bool SwapChainPresenter::ShouldUseVideoProcessorScaling() {
return (!is_on_battery_power_ && !layer_tree_->disable_vp_scaling());
}
void SwapChainPresenter::SetSwapChainPresentDuration() {
Microsoft::WRL::ComPtr<IDXGISwapChainMedia> swap_chain_media =
GetSwapChainMedia();
if (swap_chain_media) {
UINT duration_100ns = FrameRateToPresentDuration(frame_rate_);
UINT requested_duration = 0u;
if (duration_100ns > 0) {
UINT smaller_duration = 0u, larger_duration = 0u;
HRESULT hr = swap_chain_media->CheckPresentDurationSupport(
duration_100ns, &smaller_duration, &larger_duration);
if (FAILED(hr)) {
DLOG(ERROR) << "CheckPresentDurationSupport failed with error "
<< std::hex << hr;
return;
}
constexpr UINT kDurationThreshold = 1000u;
// Smaller duration should be used to avoid frame loss. However, we want
// to take into consideration the larger duration is the same as the
// requested duration but was slightly different due to frame rate
// estimation errors.
if (larger_duration > 0 &&
larger_duration - duration_100ns < kDurationThreshold) {
requested_duration = larger_duration;
} else if (smaller_duration > 0) {
requested_duration = smaller_duration;
}
}
HRESULT hr = swap_chain_media->SetPresentDuration(requested_duration);
if (FAILED(hr)) {
DLOG(ERROR) << "SetPresentDuration failed with error " << std::hex << hr;
}
}
}
Microsoft::WRL::ComPtr<IDXGISwapChainMedia>
SwapChainPresenter::GetSwapChainMedia() const {
Microsoft::WRL::ComPtr<IDXGISwapChainMedia> swap_chain_media;
HRESULT hr = 0;
if (decode_swap_chain_) {
hr = decode_swap_chain_.As(&swap_chain_media);
} else {
DCHECK(swap_chain_);
hr = swap_chain_.As(&swap_chain_media);
}
if (SUCCEEDED(hr))
return swap_chain_media;
return nullptr;
}
} // namespace gl