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gecko-dev/gfx/layers/d3d11/CompositorD3D11.cpp

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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "CompositorD3D11.h"
#include "TextureD3D11.h"
#include "CompositorD3D11Shaders.h"
#include "CompositorD3D11ShadersVR.h"
#include "gfxWindowsPlatform.h"
#include "nsIWidget.h"
#include "nsIGfxInfo.h"
#include "mozilla/layers/ImageHost.h"
#include "mozilla/layers/ContentHost.h"
#include "mozilla/layers/Effects.h"
#include "nsWindowsHelpers.h"
#include "gfxPrefs.h"
#include "gfxConfig.h"
#include "gfxCrashReporterUtils.h"
#include "gfxVR.h"
#include "mozilla/gfx/StackArray.h"
#include "mozilla/Services.h"
#include "mozilla/widget/WinCompositorWidget.h"
#include "mozilla/EnumeratedArray.h"
#include "mozilla/Telemetry.h"
#include "BlendShaderConstants.h"
#include <dxgi1_2.h>
namespace mozilla {
using namespace gfx;
namespace layers {
struct Vertex
{
float position[2];
};
// {1E4D7BEB-D8EC-4A0B-BF0A-63E6DE129425}
static const GUID sDeviceAttachmentsD3D11 =
{ 0x1e4d7beb, 0xd8ec, 0x4a0b, { 0xbf, 0xa, 0x63, 0xe6, 0xde, 0x12, 0x94, 0x25 } };
// {88041664-C835-4AA8-ACB8-7EC832357ED8}
static const GUID sLayerManagerCount =
{ 0x88041664, 0xc835, 0x4aa8, { 0xac, 0xb8, 0x7e, 0xc8, 0x32, 0x35, 0x7e, 0xd8 } };
const FLOAT sBlendFactor[] = { 0, 0, 0, 0 };
namespace TexSlot {
static const int RGB = 0;
static const int Y = 1;
static const int Cb = 2;
static const int Cr = 3;
static const int RGBWhite = 4;
static const int Mask = 5;
static const int Backdrop = 6;
}
struct DeviceAttachmentsD3D11
{
DeviceAttachmentsD3D11(ID3D11Device* device)
: mSyncHandle(0),
mDevice(device),
mInitOkay(true)
{}
bool CreateShaders();
bool InitBlendShaders();
bool InitSyncObject();
typedef EnumeratedArray<MaskType, MaskType::NumMaskTypes, RefPtr<ID3D11VertexShader>>
VertexShaderArray;
typedef EnumeratedArray<MaskType, MaskType::NumMaskTypes, RefPtr<ID3D11PixelShader>>
PixelShaderArray;
RefPtr<ID3D11InputLayout> mInputLayout;
RefPtr<ID3D11Buffer> mVertexBuffer;
VertexShaderArray mVSQuadShader;
VertexShaderArray mVSQuadBlendShader;
PixelShaderArray mSolidColorShader;
PixelShaderArray mRGBAShader;
PixelShaderArray mRGBShader;
PixelShaderArray mYCbCrShader;
PixelShaderArray mComponentAlphaShader;
PixelShaderArray mBlendShader;
RefPtr<ID3D11Buffer> mPSConstantBuffer;
RefPtr<ID3D11Buffer> mVSConstantBuffer;
RefPtr<ID3D11RasterizerState> mRasterizerState;
RefPtr<ID3D11SamplerState> mLinearSamplerState;
RefPtr<ID3D11SamplerState> mPointSamplerState;
RefPtr<ID3D11BlendState> mPremulBlendState;
RefPtr<ID3D11BlendState> mNonPremulBlendState;
RefPtr<ID3D11BlendState> mComponentBlendState;
RefPtr<ID3D11BlendState> mDisabledBlendState;
RefPtr<IDXGIResource> mSyncTexture;
HANDLE mSyncHandle;
//
// VR pieces
//
typedef EnumeratedArray<VRHMDType, VRHMDType::NumHMDTypes, RefPtr<ID3D11InputLayout>>
VRDistortionInputLayoutArray;
typedef EnumeratedArray<VRHMDType, VRHMDType::NumHMDTypes, RefPtr<ID3D11VertexShader>>
VRVertexShaderArray;
typedef EnumeratedArray<VRHMDType, VRHMDType::NumHMDTypes, RefPtr<ID3D11PixelShader>>
VRPixelShaderArray;
VRDistortionInputLayoutArray mVRDistortionInputLayout;
VRVertexShaderArray mVRDistortionVS;
VRPixelShaderArray mVRDistortionPS;
RefPtr<ID3D11Buffer> mVRDistortionConstants;
// These will be created/filled in as needed during rendering whenever the configuration
// changes.
VRHMDConfiguration mVRConfiguration;
RefPtr<ID3D11Buffer> mVRDistortionVertices[2]; // one for each eye
RefPtr<ID3D11Buffer> mVRDistortionIndices[2];
uint32_t mVRDistortionIndexCount[2];
private:
void InitVertexShader(const ShaderBytes& aShader, VertexShaderArray& aArray, MaskType aMaskType) {
InitVertexShader(aShader, getter_AddRefs(aArray[aMaskType]));
}
void InitPixelShader(const ShaderBytes& aShader, PixelShaderArray& aArray, MaskType aMaskType) {
InitPixelShader(aShader, getter_AddRefs(aArray[aMaskType]));
}
void InitVertexShader(const ShaderBytes& aShader, ID3D11VertexShader** aOut) {
if (!mInitOkay) {
return;
}
if (Failed(mDevice->CreateVertexShader(aShader.mData, aShader.mLength, nullptr, aOut), "create vs")) {
mInitOkay = false;
}
}
void InitPixelShader(const ShaderBytes& aShader, ID3D11PixelShader** aOut) {
if (!mInitOkay) {
return;
}
if (Failed(mDevice->CreatePixelShader(aShader.mData, aShader.mLength, nullptr, aOut), "create ps")) {
mInitOkay = false;
}
}
bool Failed(HRESULT hr, const char* aContext) {
if (SUCCEEDED(hr))
return false;
gfxCriticalNote << "[D3D11] " << aContext << " failed: " << hexa(hr);
return true;
}
// Only used during initialization.
RefPtr<ID3D11Device> mDevice;
bool mInitOkay;
};
CompositorD3D11::CompositorD3D11(CompositorBridgeParent* aParent, widget::CompositorWidget* aWidget)
: Compositor(aWidget, aParent)
, mAttachments(nullptr)
, mHwnd(nullptr)
, mDisableSequenceForNextFrame(false)
, mVerifyBuffersFailed(false)
{
}
CompositorD3D11::~CompositorD3D11()
{
if (mDevice) {
int referenceCount = 0;
UINT size = sizeof(referenceCount);
HRESULT hr = mDevice->GetPrivateData(sLayerManagerCount, &size, &referenceCount);
NS_ASSERTION(SUCCEEDED(hr), "Reference count not found on device.");
referenceCount--;
mDevice->SetPrivateData(sLayerManagerCount,
sizeof(referenceCount),
&referenceCount);
if (!referenceCount) {
DeviceAttachmentsD3D11 *attachments;
size = sizeof(attachments);
mDevice->GetPrivateData(sDeviceAttachmentsD3D11, &size, &attachments);
// No LayerManagers left for this device. Clear out interfaces stored
// which hold a reference to the device.
mDevice->SetPrivateData(sDeviceAttachmentsD3D11, 0, nullptr);
delete attachments;
}
}
}
bool
CompositorD3D11::Initialize()
{
ScopedGfxFeatureReporter reporter("D3D11 Layers");
MOZ_ASSERT(gfxConfig::IsEnabled(Feature::D3D11_COMPOSITING));
HRESULT hr;
if (!gfxWindowsPlatform::GetPlatform()->GetD3D11Device(&mDevice)) {
return false;
}
mDevice->GetImmediateContext(getter_AddRefs(mContext));
if (!mContext) {
gfxCriticalNote << "[D3D11] failed to get immediate context";
return false;
}
mFeatureLevel = mDevice->GetFeatureLevel();
mHwnd = mWidget->AsWindows()->GetHwnd();
memset(&mVSConstants, 0, sizeof(VertexShaderConstants));
int referenceCount = 0;
UINT size = sizeof(referenceCount);
// If this isn't there yet it'll fail, count will remain 0, which is correct.
mDevice->GetPrivateData(sLayerManagerCount, &size, &referenceCount);
referenceCount++;
mDevice->SetPrivateData(sLayerManagerCount,
sizeof(referenceCount),
&referenceCount);
size = sizeof(DeviceAttachmentsD3D11*);
if (FAILED(mDevice->GetPrivateData(sDeviceAttachmentsD3D11,
&size,
&mAttachments))) {
mAttachments = new DeviceAttachmentsD3D11(mDevice);
mDevice->SetPrivateData(sDeviceAttachmentsD3D11,
sizeof(mAttachments),
&mAttachments);
D3D11_INPUT_ELEMENT_DESC layout[] =
{
{ "POSITION", 0, DXGI_FORMAT_R32G32_FLOAT, 0, 0, D3D11_INPUT_PER_VERTEX_DATA, 0 },
};
hr = mDevice->CreateInputLayout(layout,
sizeof(layout) / sizeof(D3D11_INPUT_ELEMENT_DESC),
LayerQuadVS,
sizeof(LayerQuadVS),
getter_AddRefs(mAttachments->mInputLayout));
if (Failed(hr, "CreateInputLayout")) {
return false;
}
Vertex vertices[] = { {{0.0, 0.0}}, {{1.0, 0.0}}, {{0.0, 1.0}}, {{1.0, 1.0}} };
CD3D11_BUFFER_DESC bufferDesc(sizeof(vertices), D3D11_BIND_VERTEX_BUFFER);
D3D11_SUBRESOURCE_DATA data;
data.pSysMem = (void*)vertices;
hr = mDevice->CreateBuffer(&bufferDesc, &data, getter_AddRefs(mAttachments->mVertexBuffer));
if (Failed(hr, "create vertex buffer")) {
return false;
}
if (!mAttachments->CreateShaders()) {
return false;
}
CD3D11_BUFFER_DESC cBufferDesc(sizeof(VertexShaderConstants),
D3D11_BIND_CONSTANT_BUFFER,
D3D11_USAGE_DYNAMIC,
D3D11_CPU_ACCESS_WRITE);
hr = mDevice->CreateBuffer(&cBufferDesc, nullptr, getter_AddRefs(mAttachments->mVSConstantBuffer));
if (Failed(hr, "create vs buffer")) {
return false;
}
cBufferDesc.ByteWidth = sizeof(PixelShaderConstants);
hr = mDevice->CreateBuffer(&cBufferDesc, nullptr, getter_AddRefs(mAttachments->mPSConstantBuffer));
if (Failed(hr, "create ps buffer")) {
return false;
}
CD3D11_RASTERIZER_DESC rastDesc(D3D11_DEFAULT);
rastDesc.CullMode = D3D11_CULL_NONE;
rastDesc.ScissorEnable = TRUE;
hr = mDevice->CreateRasterizerState(&rastDesc, getter_AddRefs(mAttachments->mRasterizerState));
if (Failed(hr, "create rasterizer")) {
return false;
}
CD3D11_SAMPLER_DESC samplerDesc(D3D11_DEFAULT);
hr = mDevice->CreateSamplerState(&samplerDesc, getter_AddRefs(mAttachments->mLinearSamplerState));
if (Failed(hr, "create linear sampler")) {
return false;
}
samplerDesc.Filter = D3D11_FILTER_MIN_MAG_MIP_POINT;
hr = mDevice->CreateSamplerState(&samplerDesc, getter_AddRefs(mAttachments->mPointSamplerState));
if (Failed(hr, "create point sampler")) {
return false;
}
CD3D11_BLEND_DESC blendDesc(D3D11_DEFAULT);
D3D11_RENDER_TARGET_BLEND_DESC rtBlendPremul = {
TRUE,
D3D11_BLEND_ONE, D3D11_BLEND_INV_SRC_ALPHA, D3D11_BLEND_OP_ADD,
D3D11_BLEND_ONE, D3D11_BLEND_INV_SRC_ALPHA, D3D11_BLEND_OP_ADD,
D3D11_COLOR_WRITE_ENABLE_ALL
};
blendDesc.RenderTarget[0] = rtBlendPremul;
hr = mDevice->CreateBlendState(&blendDesc, getter_AddRefs(mAttachments->mPremulBlendState));
if (Failed(hr, "create pm blender")) {
return false;
}
D3D11_RENDER_TARGET_BLEND_DESC rtBlendNonPremul = {
TRUE,
D3D11_BLEND_SRC_ALPHA, D3D11_BLEND_INV_SRC_ALPHA, D3D11_BLEND_OP_ADD,
D3D11_BLEND_ONE, D3D11_BLEND_INV_SRC_ALPHA, D3D11_BLEND_OP_ADD,
D3D11_COLOR_WRITE_ENABLE_ALL
};
blendDesc.RenderTarget[0] = rtBlendNonPremul;
hr = mDevice->CreateBlendState(&blendDesc, getter_AddRefs(mAttachments->mNonPremulBlendState));
if (Failed(hr, "create npm blender")) {
return false;
}
if (gfxPrefs::ComponentAlphaEnabled()) {
D3D11_RENDER_TARGET_BLEND_DESC rtBlendComponent = {
TRUE,
D3D11_BLEND_ONE,
D3D11_BLEND_INV_SRC1_COLOR,
D3D11_BLEND_OP_ADD,
D3D11_BLEND_ONE,
D3D11_BLEND_INV_SRC_ALPHA,
D3D11_BLEND_OP_ADD,
D3D11_COLOR_WRITE_ENABLE_ALL
};
blendDesc.RenderTarget[0] = rtBlendComponent;
hr = mDevice->CreateBlendState(&blendDesc, getter_AddRefs(mAttachments->mComponentBlendState));
if (Failed(hr, "create component blender")) {
return false;
}
}
D3D11_RENDER_TARGET_BLEND_DESC rtBlendDisabled = {
FALSE,
D3D11_BLEND_SRC_ALPHA, D3D11_BLEND_INV_SRC_ALPHA, D3D11_BLEND_OP_ADD,
D3D11_BLEND_ONE, D3D11_BLEND_INV_SRC_ALPHA, D3D11_BLEND_OP_ADD,
D3D11_COLOR_WRITE_ENABLE_ALL
};
blendDesc.RenderTarget[0] = rtBlendDisabled;
hr = mDevice->CreateBlendState(&blendDesc, getter_AddRefs(mAttachments->mDisabledBlendState));
if (Failed(hr, "create null blender")) {
return false;
}
if (!mAttachments->InitSyncObject()) {
return false;
}
//
// VR additions
//
D3D11_INPUT_ELEMENT_DESC vrlayout[] =
{
{ "POSITION", 0, DXGI_FORMAT_R32G32_FLOAT, 0, 0, D3D11_INPUT_PER_VERTEX_DATA, 0 },
{ "TEXCOORD", 0, DXGI_FORMAT_R32G32_FLOAT, 0, D3D11_APPEND_ALIGNED_ELEMENT, D3D11_INPUT_PER_VERTEX_DATA, 0 },
{ "TEXCOORD", 1, DXGI_FORMAT_R32G32_FLOAT, 0, D3D11_APPEND_ALIGNED_ELEMENT, D3D11_INPUT_PER_VERTEX_DATA, 0 },
{ "TEXCOORD", 2, DXGI_FORMAT_R32G32_FLOAT, 0, D3D11_APPEND_ALIGNED_ELEMENT, D3D11_INPUT_PER_VERTEX_DATA, 0 },
{ "COLOR", 0, DXGI_FORMAT_R32G32B32A32_FLOAT, 0, D3D11_APPEND_ALIGNED_ELEMENT, D3D11_INPUT_PER_VERTEX_DATA, 0 },
};
hr = mDevice->CreateInputLayout(vrlayout,
sizeof(vrlayout) / sizeof(D3D11_INPUT_ELEMENT_DESC),
Oculus050VRDistortionVS,
sizeof(Oculus050VRDistortionVS),
getter_AddRefs(mAttachments->mVRDistortionInputLayout[VRHMDType::Oculus050]));
// XXX shared for now, rename
mAttachments->mVRDistortionInputLayout[VRHMDType::Cardboard] =
mAttachments->mVRDistortionInputLayout[VRHMDType::Oculus050];
cBufferDesc.ByteWidth = sizeof(gfx::VRDistortionConstants);
hr = mDevice->CreateBuffer(&cBufferDesc, nullptr, getter_AddRefs(mAttachments->mVRDistortionConstants));
if (Failed(hr, "create vr buffer ")) {
return false;
}
}
RefPtr<IDXGIDevice> dxgiDevice;
RefPtr<IDXGIAdapter> dxgiAdapter;
mDevice->QueryInterface(dxgiDevice.StartAssignment());
dxgiDevice->GetAdapter(getter_AddRefs(dxgiAdapter));
{
RefPtr<IDXGIFactory> dxgiFactory;
dxgiAdapter->GetParent(IID_PPV_ARGS(dxgiFactory.StartAssignment()));
DXGI_SWAP_CHAIN_DESC swapDesc;
::ZeroMemory(&swapDesc, sizeof(swapDesc));
swapDesc.BufferDesc.Width = 0;
swapDesc.BufferDesc.Height = 0;
swapDesc.BufferDesc.Format = DXGI_FORMAT_B8G8R8A8_UNORM;
swapDesc.BufferDesc.RefreshRate.Numerator = 60;
swapDesc.BufferDesc.RefreshRate.Denominator = 1;
swapDesc.SampleDesc.Count = 1;
swapDesc.SampleDesc.Quality = 0;
swapDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
swapDesc.BufferCount = 1;
swapDesc.OutputWindow = mHwnd;
swapDesc.Windowed = TRUE;
swapDesc.Flags = 0;
swapDesc.SwapEffect = DXGI_SWAP_EFFECT_SEQUENTIAL;
/**
* Create a swap chain, this swap chain will contain the backbuffer for
* the window we draw to. The front buffer is the full screen front
* buffer.
*/
hr = dxgiFactory->CreateSwapChain(dxgiDevice, &swapDesc, getter_AddRefs(mSwapChain));
if (Failed(hr, "create swap chain")) {
return false;
}
// We need this because we don't want DXGI to respond to Alt+Enter.
dxgiFactory->MakeWindowAssociation(swapDesc.OutputWindow,
DXGI_MWA_NO_WINDOW_CHANGES);
}
if (!mWidget->InitCompositor(this)) {
return false;
}
reporter.SetSuccessful();
return true;
}
already_AddRefed<DataTextureSource>
CompositorD3D11::CreateDataTextureSource(TextureFlags aFlags)
{
RefPtr<DataTextureSource> result = new DataTextureSourceD3D11(gfx::SurfaceFormat::UNKNOWN,
this, aFlags);
return result.forget();
}
TextureFactoryIdentifier
CompositorD3D11::GetTextureFactoryIdentifier()
{
TextureFactoryIdentifier ident;
ident.mMaxTextureSize = GetMaxTextureSize();
ident.mParentProcessId = XRE_GetProcessType();
ident.mParentBackend = LayersBackend::LAYERS_D3D11;
ident.mSyncHandle = mAttachments->mSyncHandle;
return ident;
}
bool
CompositorD3D11::CanUseCanvasLayerForSize(const gfx::IntSize& aSize)
{
int32_t maxTextureSize = GetMaxTextureSize();
if (aSize.width > maxTextureSize || aSize.height > maxTextureSize) {
return false;
}
return true;
}
int32_t
CompositorD3D11::GetMaxTextureSize() const
{
return GetMaxTextureSizeForFeatureLevel(mFeatureLevel);
}
already_AddRefed<CompositingRenderTarget>
CompositorD3D11::CreateRenderTarget(const gfx::IntRect& aRect,
SurfaceInitMode aInit)
{
MOZ_ASSERT(aRect.width != 0 && aRect.height != 0);
if (aRect.width * aRect.height == 0) {
return nullptr;
}
CD3D11_TEXTURE2D_DESC desc(DXGI_FORMAT_B8G8R8A8_UNORM, aRect.width, aRect.height, 1, 1,
D3D11_BIND_SHADER_RESOURCE | D3D11_BIND_RENDER_TARGET);
RefPtr<ID3D11Texture2D> texture;
HRESULT hr = mDevice->CreateTexture2D(&desc, nullptr, getter_AddRefs(texture));
if (FAILED(hr) || !texture) {
gfxCriticalNote << "Failed in CreateRenderTarget " << hexa(hr);
return nullptr;
}
RefPtr<CompositingRenderTargetD3D11> rt = new CompositingRenderTargetD3D11(texture, aRect.TopLeft());
rt->SetSize(IntSize(aRect.width, aRect.height));
if (aInit == INIT_MODE_CLEAR) {
FLOAT clear[] = { 0, 0, 0, 0 };
mContext->ClearRenderTargetView(rt->mRTView, clear);
}
return rt.forget();
}
RefPtr<ID3D11Texture2D>
CompositorD3D11::CreateTexture(const gfx::IntRect& aRect,
const CompositingRenderTarget* aSource,
const gfx::IntPoint& aSourcePoint)
{
MOZ_ASSERT(aRect.width != 0 && aRect.height != 0);
if (aRect.width * aRect.height == 0) {
return nullptr;
}
CD3D11_TEXTURE2D_DESC desc(DXGI_FORMAT_B8G8R8A8_UNORM,
aRect.width, aRect.height, 1, 1,
D3D11_BIND_SHADER_RESOURCE | D3D11_BIND_RENDER_TARGET);
RefPtr<ID3D11Texture2D> texture;
HRESULT hr = mDevice->CreateTexture2D(&desc, nullptr, getter_AddRefs(texture));
if (FAILED(hr) || !texture) {
gfxCriticalNote << "Failed in CreateRenderTargetFromSource " << hexa(hr);
HandleError(hr);
return nullptr;
}
if (aSource) {
const CompositingRenderTargetD3D11* sourceD3D11 =
static_cast<const CompositingRenderTargetD3D11*>(aSource);
const IntSize& srcSize = sourceD3D11->GetSize();
MOZ_ASSERT(srcSize.width >= 0 && srcSize.height >= 0,
"render targets should have nonnegative sizes");
IntRect srcRect(IntPoint(), srcSize);
IntRect copyRect(aSourcePoint, aRect.Size());
if (!srcRect.Contains(copyRect)) {
NS_WARNING("Could not copy the whole copy rect from the render target");
}
copyRect = copyRect.Intersect(srcRect);
if (!copyRect.IsEmpty()) {
D3D11_BOX copyBox;
copyBox.front = 0;
copyBox.back = 1;
copyBox.left = copyRect.x;
copyBox.top = copyRect.y;
copyBox.right = copyRect.XMost();
copyBox.bottom = copyRect.YMost();
mContext->CopySubresourceRegion(texture, 0,
0, 0, 0,
sourceD3D11->GetD3D11Texture(), 0,
&copyBox);
}
}
return texture;
}
already_AddRefed<CompositingRenderTarget>
CompositorD3D11::CreateRenderTargetFromSource(const gfx::IntRect &aRect,
const CompositingRenderTarget* aSource,
const gfx::IntPoint &aSourcePoint)
{
RefPtr<ID3D11Texture2D> texture = CreateTexture(aRect, aSource, aSourcePoint);
if (!texture) {
return nullptr;
}
RefPtr<CompositingRenderTargetD3D11> rt =
new CompositingRenderTargetD3D11(texture, aRect.TopLeft());
rt->SetSize(aRect.Size());
return rt.forget();
}
bool
CompositorD3D11::CopyBackdrop(const gfx::IntRect& aRect,
RefPtr<ID3D11Texture2D>* aOutTexture,
RefPtr<ID3D11ShaderResourceView>* aOutView)
{
RefPtr<ID3D11Texture2D> texture = CreateTexture(aRect, mCurrentRT, aRect.TopLeft());
if (!texture) {
return false;
}
CD3D11_SHADER_RESOURCE_VIEW_DESC desc(D3D11_SRV_DIMENSION_TEXTURE2D, DXGI_FORMAT_B8G8R8A8_UNORM);
RefPtr<ID3D11ShaderResourceView> srv;
HRESULT hr = mDevice->CreateShaderResourceView(texture, &desc, getter_AddRefs(srv));
if (FAILED(hr) || !srv) {
return false;
}
*aOutTexture = texture.forget();
*aOutView = srv.forget();
return true;
}
void
CompositorD3D11::SetRenderTarget(CompositingRenderTarget* aRenderTarget)
{
MOZ_ASSERT(aRenderTarget);
CompositingRenderTargetD3D11* newRT =
static_cast<CompositingRenderTargetD3D11*>(aRenderTarget);
if (mCurrentRT != newRT) {
mCurrentRT = newRT;
mCurrentRT->BindRenderTarget(mContext);
}
if (newRT->HasComplexProjection()) {
gfx::Matrix4x4 projection;
bool depthEnable;
float zNear, zFar;
newRT->GetProjection(projection, depthEnable, zNear, zFar);
PrepareViewport(newRT->GetSize(), projection, zNear, zFar);
} else {
PrepareViewport(newRT->GetSize());
}
}
ID3D11PixelShader*
CompositorD3D11::GetPSForEffect(Effect* aEffect, MaskType aMaskType)
{
switch (aEffect->mType) {
case EffectTypes::SOLID_COLOR:
return mAttachments->mSolidColorShader[aMaskType];
case EffectTypes::RENDER_TARGET:
return mAttachments->mRGBAShader[aMaskType];
case EffectTypes::RGB: {
SurfaceFormat format = static_cast<TexturedEffect*>(aEffect)->mTexture->GetFormat();
return (format == SurfaceFormat::B8G8R8A8 || format == SurfaceFormat::R8G8B8A8)
? mAttachments->mRGBAShader[aMaskType]
: mAttachments->mRGBShader[aMaskType];
}
case EffectTypes::YCBCR:
return mAttachments->mYCbCrShader[aMaskType];
case EffectTypes::COMPONENT_ALPHA:
return mAttachments->mComponentAlphaShader[aMaskType];
default:
NS_WARNING("No shader to load");
return nullptr;
}
}
void
CompositorD3D11::ClearRect(const gfx::Rect& aRect)
{
mContext->OMSetBlendState(mAttachments->mDisabledBlendState, sBlendFactor, 0xFFFFFFFF);
Matrix4x4 identity;
memcpy(&mVSConstants.layerTransform, &identity._11, 64);
mVSConstants.layerQuad = aRect;
mVSConstants.renderTargetOffset[0] = 0;
mVSConstants.renderTargetOffset[1] = 0;
mPSConstants.layerOpacity[0] = 1.0f;
D3D11_RECT scissor;
scissor.left = aRect.x;
scissor.right = aRect.XMost();
scissor.top = aRect.y;
scissor.bottom = aRect.YMost();
mContext->RSSetScissorRects(1, &scissor);
mContext->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLESTRIP);
mContext->VSSetShader(mAttachments->mVSQuadShader[MaskType::MaskNone], nullptr, 0);
mContext->PSSetShader(mAttachments->mSolidColorShader[MaskType::MaskNone], nullptr, 0);
mPSConstants.layerColor[0] = 0;
mPSConstants.layerColor[1] = 0;
mPSConstants.layerColor[2] = 0;
mPSConstants.layerColor[3] = 0;
if (!UpdateConstantBuffers()) {
NS_WARNING("Failed to update shader constant buffers");
return;
}
mContext->Draw(4, 0);
mContext->OMSetBlendState(mAttachments->mPremulBlendState, sBlendFactor, 0xFFFFFFFF);
}
void
CompositorD3D11::DrawVRDistortion(const gfx::Rect& aRect,
const gfx::IntRect& aClipRect,
const EffectChain& aEffectChain,
gfx::Float aOpacity,
const gfx::Matrix4x4& aTransform)
{
MOZ_ASSERT(aEffectChain.mPrimaryEffect->mType == EffectTypes::VR_DISTORTION);
if (aEffectChain.mSecondaryEffects[EffectTypes::MASK] ||
aEffectChain.mSecondaryEffects[EffectTypes::BLEND_MODE])
{
NS_WARNING("DrawVRDistortion: ignoring secondary effect!");
}
HRESULT hr;
EffectVRDistortion* vrEffect =
static_cast<EffectVRDistortion*>(aEffectChain.mPrimaryEffect.get());
TextureSourceD3D11* source = vrEffect->mTexture->AsSourceD3D11();
VRHMDInfo* hmdInfo = vrEffect->mHMD;
VRHMDType hmdType = hmdInfo->GetDeviceInfo().GetType();
if (!mAttachments->mVRDistortionVS[hmdType] ||
!mAttachments->mVRDistortionPS[hmdType])
{
NS_WARNING("No VS/PS for hmd type for VR distortion!");
return;
}
VRDistortionConstants shaderConstants;
// do we need to recreate the VR buffers, since the config has changed?
if (hmdInfo->GetConfiguration() != mAttachments->mVRConfiguration) {
D3D11_SUBRESOURCE_DATA sdata = { 0 };
CD3D11_BUFFER_DESC desc(0, D3D11_BIND_VERTEX_BUFFER, D3D11_USAGE_IMMUTABLE);
// XXX as an optimization, we should really pack the indices and vertices for both eyes
// into one buffer instead of needing one eye each. Then we can just bind them once.
for (uint32_t eye = 0; eye < 2; eye++) {
const gfx::VRDistortionMesh& mesh = hmdInfo->GetDistortionMesh(eye);
desc.BindFlags = D3D11_BIND_VERTEX_BUFFER;
desc.ByteWidth = mesh.mVertices.Length() * sizeof(gfx::VRDistortionVertex);
sdata.pSysMem = mesh.mVertices.Elements();
hr = mDevice->CreateBuffer(&desc, &sdata, getter_AddRefs(mAttachments->mVRDistortionVertices[eye]));
if (FAILED(hr)) {
NS_WARNING("CreateBuffer failed");
return;
}
desc.BindFlags = D3D11_BIND_INDEX_BUFFER;
desc.ByteWidth = mesh.mIndices.Length() * sizeof(uint16_t);
sdata.pSysMem = mesh.mIndices.Elements();
hr = mDevice->CreateBuffer(&desc, &sdata, getter_AddRefs(mAttachments->mVRDistortionIndices[eye]));
if (FAILED(hr)) {
NS_WARNING("CreateBuffer failed");
return;
}
mAttachments->mVRDistortionIndexCount[eye] = mesh.mIndices.Length();
}
mAttachments->mVRConfiguration = hmdInfo->GetConfiguration();
}
// XXX do I need to set a scissor rect? Is this the right scissor rect?
D3D11_RECT scissor;
scissor.left = aClipRect.x;
scissor.right = aClipRect.XMost();
scissor.top = aClipRect.y;
scissor.bottom = aClipRect.YMost();
mContext->RSSetScissorRects(1, &scissor);
// Triangle lists and same layout for both eyes
mContext->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
mContext->IASetInputLayout(mAttachments->mVRDistortionInputLayout[hmdType]);
mContext->VSSetShader(mAttachments->mVRDistortionVS[hmdType], nullptr, 0);
mContext->PSSetShader(mAttachments->mVRDistortionPS[hmdType], nullptr, 0);
// This is the source texture SRV for the pixel shader
ID3D11ShaderResourceView* srView = source->GetShaderResourceView();
mContext->PSSetShaderResources(0, 1, &srView);
Rect destRect = aTransform.TransformBounds(aRect);
gfx::IntSize preDistortionSize = vrEffect->mRenderTarget->GetSize(); // XXX source->GetSize()
gfx::Size vpSize = destRect.Size();
ID3D11Buffer* vbuffer;
UINT vsize, voffset;
for (uint32_t eye = 0; eye < 2; eye++) {
gfx::IntRect eyeViewport;
eyeViewport.x = eye * preDistortionSize.width / 2;
eyeViewport.y = 0;
eyeViewport.width = preDistortionSize.width / 2;
eyeViewport.height = preDistortionSize.height;
hmdInfo->FillDistortionConstants(eye,
preDistortionSize, eyeViewport,
vpSize, destRect,
shaderConstants);
// D3D has clip space top-left as -1,1 so we need to flip the Y coordinate offset here
shaderConstants.destinationScaleAndOffset[1] = - shaderConstants.destinationScaleAndOffset[1];
// XXX I really want to write a templated helper for these next 4 lines
D3D11_MAPPED_SUBRESOURCE resource;
hr = mContext->Map(mAttachments->mVRDistortionConstants, 0, D3D11_MAP_WRITE_DISCARD, 0, &resource);
if (FAILED(hr) || !resource.pData) {
gfxCriticalError() << "Failed to map VRDistortionConstants. Result: " << hr;
HandleError(hr);
return;
}
*(gfx::VRDistortionConstants*)resource.pData = shaderConstants;
mContext->Unmap(mAttachments->mVRDistortionConstants, 0);
resource.pData = nullptr;
// XXX is there a better way to change a bunch of these things from what they were set to
// in BeginFrame/etc?
vbuffer = mAttachments->mVRDistortionVertices[eye];
vsize = sizeof(gfx::VRDistortionVertex);
voffset = 0;
mContext->IASetVertexBuffers(0, 1, &vbuffer, &vsize, &voffset);
mContext->IASetIndexBuffer(mAttachments->mVRDistortionIndices[eye], DXGI_FORMAT_R16_UINT, 0);
ID3D11Buffer* constBuf = mAttachments->mVRDistortionConstants;
mContext->VSSetConstantBuffers(0, 1, &constBuf);
mContext->DrawIndexed(mAttachments->mVRDistortionIndexCount[eye], 0, 0);
}
// restore previous configurations
vbuffer = mAttachments->mVertexBuffer;
vsize = sizeof(Vertex);
voffset = 0;
mContext->IASetVertexBuffers(0, 1, &vbuffer, &vsize, &voffset);
mContext->IASetIndexBuffer(nullptr, DXGI_FORMAT_R16_UINT, 0);
mContext->IASetInputLayout(mAttachments->mInputLayout);
}
static inline bool
EffectHasPremultipliedAlpha(Effect* aEffect)
{
if (aEffect->mType == EffectTypes::RGB) {
return static_cast<TexturedEffect*>(aEffect)->mPremultiplied;
}
return true;
}
static inline int
EffectToBlendLayerType(Effect* aEffect)
{
switch (aEffect->mType) {
case EffectTypes::SOLID_COLOR:
return PS_LAYER_COLOR;
case EffectTypes::RGB: {
gfx::SurfaceFormat format = static_cast<TexturedEffect*>(aEffect)->mTexture->GetFormat();
return (format == gfx::SurfaceFormat::B8G8R8A8 || format == gfx::SurfaceFormat::R8G8B8A8)
? PS_LAYER_RGBA
: PS_LAYER_RGB;
}
case EffectTypes::RENDER_TARGET:
return PS_LAYER_RGBA;
case EffectTypes::YCBCR:
return PS_LAYER_YCBCR;
default:
MOZ_ASSERT_UNREACHABLE("blending not supported for this layer type");
return 0;
}
}
void
CompositorD3D11::DrawQuad(const gfx::Rect& aRect,
const gfx::IntRect& aClipRect,
const EffectChain& aEffectChain,
gfx::Float aOpacity,
const gfx::Matrix4x4& aTransform,
const gfx::Rect& aVisibleRect)
{
if (mCurrentClip.IsEmpty()) {
return;
}
MOZ_ASSERT(mCurrentRT, "No render target");
if (aEffectChain.mPrimaryEffect->mType == EffectTypes::VR_DISTORTION) {
DrawVRDistortion(aRect, aClipRect, aEffectChain, aOpacity, aTransform);
return;
}
memcpy(&mVSConstants.layerTransform, &aTransform._11, 64);
IntPoint origin = mCurrentRT->GetOrigin();
mVSConstants.renderTargetOffset[0] = origin.x;
mVSConstants.renderTargetOffset[1] = origin.y;
mPSConstants.layerOpacity[0] = aOpacity;
bool restoreBlendMode = false;
MaskType maskType = MaskType::MaskNone;
if (aEffectChain.mSecondaryEffects[EffectTypes::MASK]) {
maskType = MaskType::Mask;
EffectMask* maskEffect =
static_cast<EffectMask*>(aEffectChain.mSecondaryEffects[EffectTypes::MASK].get());
TextureSourceD3D11* source = maskEffect->mMaskTexture->AsSourceD3D11();
if (!source) {
NS_WARNING("Missing texture source!");
return;
}
ID3D11ShaderResourceView* srView = source->GetShaderResourceView();
mContext->PSSetShaderResources(TexSlot::Mask, 1, &srView);
const gfx::Matrix4x4& maskTransform = maskEffect->mMaskTransform;
NS_ASSERTION(maskTransform.Is2D(), "How did we end up with a 3D transform here?!");
Rect bounds = Rect(Point(), Size(maskEffect->mSize));
mVSConstants.maskQuad = maskTransform.As2D().TransformBounds(bounds);
}
D3D11_RECT scissor;
IntRect clipRect(aClipRect.x, aClipRect.y, aClipRect.width, aClipRect.height);
if (mCurrentRT == mDefaultRT) {
clipRect = clipRect.Intersect(mCurrentClip);
}
if (clipRect.IsEmpty()) {
return;
}
scissor.left = clipRect.x;
scissor.right = clipRect.XMost();
scissor.top = clipRect.y;
scissor.bottom = clipRect.YMost();
RefPtr<ID3D11VertexShader> vertexShader = mAttachments->mVSQuadShader[maskType];
RefPtr<ID3D11PixelShader> pixelShader = GetPSForEffect(aEffectChain.mPrimaryEffect, maskType);
RefPtr<ID3D11Texture2D> mixBlendBackdrop;
gfx::CompositionOp blendMode = gfx::CompositionOp::OP_OVER;
if (aEffectChain.mSecondaryEffects[EffectTypes::BLEND_MODE]) {
EffectBlendMode *blendEffect =
static_cast<EffectBlendMode*>(aEffectChain.mSecondaryEffects[EffectTypes::BLEND_MODE].get());
blendMode = blendEffect->mBlendMode;
// If the blend operation needs to read from the backdrop, copy the
// current render target into a new texture and bind it now.
if (BlendOpIsMixBlendMode(blendMode)) {
gfx::Matrix4x4 backdropTransform;
gfx::IntRect rect = ComputeBackdropCopyRect(aRect, aClipRect, aTransform, &backdropTransform);
RefPtr<ID3D11ShaderResourceView> srv;
if (CopyBackdrop(rect, &mixBlendBackdrop, &srv) &&
mAttachments->InitBlendShaders())
{
vertexShader = mAttachments->mVSQuadBlendShader[maskType];
pixelShader = mAttachments->mBlendShader[MaskType::MaskNone];
ID3D11ShaderResourceView* srView = srv.get();
mContext->PSSetShaderResources(TexSlot::Backdrop, 1, &srView);
memcpy(&mVSConstants.backdropTransform, &backdropTransform._11, 64);
mPSConstants.blendConfig[0] = EffectToBlendLayerType(aEffectChain.mPrimaryEffect);
mPSConstants.blendConfig[1] = int(maskType);
mPSConstants.blendConfig[2] = BlendOpToShaderConstant(blendMode);
mPSConstants.blendConfig[3] = EffectHasPremultipliedAlpha(aEffectChain.mPrimaryEffect);
}
}
}
mContext->RSSetScissorRects(1, &scissor);
mContext->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLESTRIP);
mContext->VSSetShader(vertexShader, nullptr, 0);
mContext->PSSetShader(pixelShader, nullptr, 0);
const Rect* pTexCoordRect = nullptr;
switch (aEffectChain.mPrimaryEffect->mType) {
case EffectTypes::SOLID_COLOR: {
Color color =
static_cast<EffectSolidColor*>(aEffectChain.mPrimaryEffect.get())->mColor;
mPSConstants.layerColor[0] = color.r * color.a * aOpacity;
mPSConstants.layerColor[1] = color.g * color.a * aOpacity;
mPSConstants.layerColor[2] = color.b * color.a * aOpacity;
mPSConstants.layerColor[3] = color.a * aOpacity;
}
break;
case EffectTypes::RGB:
case EffectTypes::RENDER_TARGET:
{
TexturedEffect* texturedEffect =
static_cast<TexturedEffect*>(aEffectChain.mPrimaryEffect.get());
pTexCoordRect = &texturedEffect->mTextureCoords;
TextureSourceD3D11* source = texturedEffect->mTexture->AsSourceD3D11();
if (!source) {
NS_WARNING("Missing texture source!");
return;
}
ID3D11ShaderResourceView* srView = source->GetShaderResourceView();
mContext->PSSetShaderResources(TexSlot::RGB, 1, &srView);
if (!texturedEffect->mPremultiplied) {
mContext->OMSetBlendState(mAttachments->mNonPremulBlendState, sBlendFactor, 0xFFFFFFFF);
restoreBlendMode = true;
}
SetSamplerForSamplingFilter(texturedEffect->mSamplingFilter);
}
break;
case EffectTypes::YCBCR: {
EffectYCbCr* ycbcrEffect =
static_cast<EffectYCbCr*>(aEffectChain.mPrimaryEffect.get());
SetSamplerForSamplingFilter(SamplingFilter::LINEAR);
pTexCoordRect = &ycbcrEffect->mTextureCoords;
const int Y = 0, Cb = 1, Cr = 2;
TextureSource* source = ycbcrEffect->mTexture;
if (!source) {
NS_WARNING("No texture to composite");
return;
}
if (!source->GetSubSource(Y) || !source->GetSubSource(Cb) || !source->GetSubSource(Cr)) {
// This can happen if we failed to upload the textures, most likely
// because of unsupported dimensions (we don't tile YCbCr textures).
return;
}
TextureSourceD3D11* sourceY = source->GetSubSource(Y)->AsSourceD3D11();
TextureSourceD3D11* sourceCb = source->GetSubSource(Cb)->AsSourceD3D11();
TextureSourceD3D11* sourceCr = source->GetSubSource(Cr)->AsSourceD3D11();
ID3D11ShaderResourceView* srViews[3] = { sourceY->GetShaderResourceView(),
sourceCb->GetShaderResourceView(),
sourceCr->GetShaderResourceView() };
mContext->PSSetShaderResources(TexSlot::Y, 3, srViews);
}
break;
case EffectTypes::COMPONENT_ALPHA:
{
MOZ_ASSERT(gfxPrefs::ComponentAlphaEnabled());
MOZ_ASSERT(mAttachments->mComponentBlendState);
EffectComponentAlpha* effectComponentAlpha =
static_cast<EffectComponentAlpha*>(aEffectChain.mPrimaryEffect.get());
TextureSourceD3D11* sourceOnWhite = effectComponentAlpha->mOnWhite->AsSourceD3D11();
TextureSourceD3D11* sourceOnBlack = effectComponentAlpha->mOnBlack->AsSourceD3D11();
if (!sourceOnWhite || !sourceOnBlack) {
NS_WARNING("Missing texture source(s)!");
return;
}
SetSamplerForSamplingFilter(effectComponentAlpha->mSamplingFilter);
pTexCoordRect = &effectComponentAlpha->mTextureCoords;
ID3D11ShaderResourceView* srViews[2] = { sourceOnBlack->GetShaderResourceView(),
sourceOnWhite->GetShaderResourceView() };
mContext->PSSetShaderResources(TexSlot::RGB, 1, &srViews[0]);
mContext->PSSetShaderResources(TexSlot::RGBWhite, 1, &srViews[1]);
mContext->OMSetBlendState(mAttachments->mComponentBlendState, sBlendFactor, 0xFFFFFFFF);
restoreBlendMode = true;
}
break;
default:
NS_WARNING("Unknown shader type");
return;
}
if (pTexCoordRect) {
Rect layerRects[4];
Rect textureRects[4];
size_t rects = DecomposeIntoNoRepeatRects(aRect,
*pTexCoordRect,
&layerRects,
&textureRects);
for (size_t i = 0; i < rects; i++) {
mVSConstants.layerQuad = layerRects[i];
mVSConstants.textureCoords = textureRects[i];
if (!UpdateConstantBuffers()) {
NS_WARNING("Failed to update shader constant buffers");
break;
}
mContext->Draw(4, 0);
}
} else {
mVSConstants.layerQuad = aRect;
if (!UpdateConstantBuffers()) {
NS_WARNING("Failed to update shader constant buffers");
} else {
mContext->Draw(4, 0);
}
}
if (restoreBlendMode) {
mContext->OMSetBlendState(mAttachments->mPremulBlendState, sBlendFactor, 0xFFFFFFFF);
}
}
void
CompositorD3D11::BeginFrame(const nsIntRegion& aInvalidRegion,
const IntRect* aClipRectIn,
const IntRect& aRenderBounds,
const nsIntRegion& aOpaqueRegion,
IntRect* aClipRectOut,
IntRect* aRenderBoundsOut)
{
// Don't composite if we are minimised. Other than for the sake of efficency,
// this is important because resizing our buffers when mimised will fail and
// cause a crash when we're restored.
NS_ASSERTION(mHwnd, "Couldn't find an HWND when initialising?");
if (::IsIconic(mHwnd) || mDevice->GetDeviceRemovedReason() != S_OK) {
*aRenderBoundsOut = IntRect();
return;
}
LayoutDeviceIntSize oldSize = mSize;
// Failed to create a render target or the view.
if (!UpdateRenderTarget() || !mDefaultRT || !mDefaultRT->mRTView ||
mSize.width <= 0 || mSize.height <= 0) {
*aRenderBoundsOut = IntRect();
return;
}
IntRect intRect = IntRect(IntPoint(0, 0), mSize.ToUnknownSize());
// Sometimes the invalid region is larger than we want to draw.
nsIntRegion invalidRegionSafe;
if (mSize != oldSize) {
invalidRegionSafe = intRect;
} else {
invalidRegionSafe.And(aInvalidRegion, intRect);
}
IntRect invalidRect = invalidRegionSafe.GetBounds();
IntRect clipRect = invalidRect;
if (aClipRectIn) {
clipRect.IntersectRect(clipRect, IntRect(aClipRectIn->x, aClipRectIn->y, aClipRectIn->width, aClipRectIn->height));
}
if (clipRect.IsEmpty()) {
*aRenderBoundsOut = IntRect();
return;
}
mContext->IASetInputLayout(mAttachments->mInputLayout);
ID3D11Buffer* buffer = mAttachments->mVertexBuffer;
UINT size = sizeof(Vertex);
UINT offset = 0;
mContext->IASetVertexBuffers(0, 1, &buffer, &size, &offset);
mInvalidRect = IntRect(invalidRect.x, invalidRect.y, invalidRect.width, invalidRect.height);
mInvalidRegion = invalidRegionSafe;
if (aClipRectOut) {
*aClipRectOut = IntRect(0, 0, mSize.width, mSize.height);
}
if (aRenderBoundsOut) {
*aRenderBoundsOut = IntRect(0, 0, mSize.width, mSize.height);
}
mCurrentClip = IntRect(clipRect.x, clipRect.y, clipRect.width, clipRect.height);
mContext->RSSetState(mAttachments->mRasterizerState);
SetRenderTarget(mDefaultRT);
// ClearRect will set the correct blend state for us.
ClearRect(Rect(clipRect.x, clipRect.y, clipRect.width, clipRect.height));
if (mAttachments->mSyncTexture) {
RefPtr<IDXGIKeyedMutex> mutex;
mAttachments->mSyncTexture->QueryInterface((IDXGIKeyedMutex**)getter_AddRefs(mutex));
MOZ_ASSERT(mutex);
HRESULT hr = mutex->AcquireSync(0, 10000);
if (hr == WAIT_TIMEOUT) {
hr = mDevice->GetDeviceRemovedReason();
if (hr == S_OK) {
// There is no driver-removed event. Crash with this timeout.
MOZ_CRASH("GFX: D3D11 normal status timeout");
}
// Since the timeout is related to the driver-removed, clear the
// render-bounding size to skip this frame.
gfxCriticalNote << "GFX: D3D11 timeout with device-removed:" << gfx::hexa(hr);
*aRenderBoundsOut = IntRect();
return;
} else if (hr == WAIT_ABANDONED) {
gfxCriticalNote << "GFX: D3D11 abandoned sync";
}
mutex->ReleaseSync(0);
}
}
void
CompositorD3D11::EndFrame()
{
Compositor::EndFrame();
if (!mDefaultRT) {
return;
}
LayoutDeviceIntSize oldSize = mSize;
EnsureSize();
if (mSize.width <= 0 || mSize.height <= 0) {
return;
}
RefPtr<ID3D11Query> query;
CD3D11_QUERY_DESC desc(D3D11_QUERY_EVENT);
mDevice->CreateQuery(&desc, getter_AddRefs(query));
if (query) {
mContext->End(query);
}
UINT presentInterval = 0;
if (gfxWindowsPlatform::GetPlatform()->IsWARP()) {
// When we're using WARP we cannot present immediately as it causes us
// to tear when rendering. When not using WARP it appears the DWM takes
// care of tearing for us.
presentInterval = 1;
}
if (oldSize == mSize) {
RefPtr<IDXGISwapChain1> chain;
HRESULT hr = mSwapChain->QueryInterface((IDXGISwapChain1**)getter_AddRefs(chain));
// We can force partial present or block partial present, based on the value of
// this preference; the default is to disable it on Nvidia (bug 1189940)
bool allowPartialPresent = false;
int32_t partialPresentPref = gfxPrefs::PartialPresent();
if (partialPresentPref > 0) {
allowPartialPresent = true;
} else if (partialPresentPref < 0) {
allowPartialPresent = false;
} else if (partialPresentPref == 0) {
nsString vendorID;
nsCOMPtr<nsIGfxInfo> gfxInfo = services::GetGfxInfo();
gfxInfo->GetAdapterVendorID(vendorID);
allowPartialPresent = !vendorID.EqualsLiteral("0x10de") ||
gfxWindowsPlatform::GetPlatform()->IsWARP();
}
if (SUCCEEDED(hr) && chain && allowPartialPresent) {
DXGI_PRESENT_PARAMETERS params;
PodZero(&params);
params.DirtyRectsCount = mInvalidRegion.GetNumRects();
StackArray<RECT, 4> rects(params.DirtyRectsCount);
uint32_t i = 0;
for (auto iter = mInvalidRegion.RectIter(); !iter.Done(); iter.Next()) {
const IntRect& r = iter.Get();
rects[i].left = r.x;
rects[i].top = r.y;
rects[i].bottom = r.YMost();
rects[i].right = r.XMost();
i++;
}
params.pDirtyRects = params.DirtyRectsCount ? rects.data() : nullptr;
chain->Present1(presentInterval, mDisableSequenceForNextFrame ? DXGI_PRESENT_DO_NOT_SEQUENCE : 0, &params);
} else {
hr = mSwapChain->Present(presentInterval, mDisableSequenceForNextFrame ? DXGI_PRESENT_DO_NOT_SEQUENCE : 0);
if (FAILED(hr)) {
gfxCriticalNote << "D3D11 swap chain preset failed " << hexa(hr);
HandleError(hr);
}
}
mDisableSequenceForNextFrame = false;
if (mTarget) {
PaintToTarget();
}
}
// Block until the previous frame's work has been completed.
if (mQuery) {
TimeStamp start = TimeStamp::Now();
BOOL result;
while (mContext->GetData(mQuery, &result, sizeof(BOOL), 0) != S_OK) {
if (mDevice->GetDeviceRemovedReason() != S_OK) {
break;
}
if ((TimeStamp::Now() - start) > TimeDuration::FromSeconds(2)) {
break;
}
Sleep(0);
}
}
// Store the query for this frame so we can flush it next time.
mQuery = query;
mCurrentRT = nullptr;
}
void
CompositorD3D11::PrepareViewport(const gfx::IntSize& aSize)
{
// This view matrix translates coordinates from 0..width and 0..height to
// -1..1 on the X axis, and -1..1 on the Y axis (flips the Y coordinate)
Matrix viewMatrix = Matrix::Translation(-1.0, 1.0);
viewMatrix.PreScale(2.0f / float(aSize.width), 2.0f / float(aSize.height));
viewMatrix.PreScale(1.0f, -1.0f);
Matrix4x4 projection = Matrix4x4::From2D(viewMatrix);
projection._33 = 0.0f;
PrepareViewport(aSize, projection, 0.0f, 1.0f);
}
void
CompositorD3D11::ForcePresent()
{
LayoutDeviceIntSize size = mWidget->GetClientSize();
DXGI_SWAP_CHAIN_DESC desc;
mSwapChain->GetDesc(&desc);
if (desc.BufferDesc.Width == size.width && desc.BufferDesc.Height == size.height) {
mSwapChain->Present(0, 0);
}
}
void
CompositorD3D11::PrepareViewport(const gfx::IntSize& aSize,
const gfx::Matrix4x4& aProjection,
float aZNear, float aZFar)
{
D3D11_VIEWPORT viewport;
viewport.MaxDepth = aZFar;
viewport.MinDepth = aZNear;
viewport.Width = aSize.width;
viewport.Height = aSize.height;
viewport.TopLeftX = 0;
viewport.TopLeftY = 0;
mContext->RSSetViewports(1, &viewport);
memcpy(&mVSConstants.projection, &aProjection._11, sizeof(mVSConstants.projection));
}
void
CompositorD3D11::EnsureSize()
{
mSize = mWidget->GetClientSize();
}
bool
CompositorD3D11::VerifyBufferSize()
{
DXGI_SWAP_CHAIN_DESC swapDesc;
HRESULT hr;
hr = mSwapChain->GetDesc(&swapDesc);
if (FAILED(hr)) {
gfxCriticalError() << "Failed to get the description " << hexa(hr) << ", " << mSize << ", " << (int)mVerifyBuffersFailed;
HandleError(hr);
return false;
}
if (((swapDesc.BufferDesc.Width == mSize.width &&
swapDesc.BufferDesc.Height == mSize.height) ||
mSize.width <= 0 || mSize.height <= 0) &&
!mVerifyBuffersFailed) {
return true;
}
ID3D11RenderTargetView* view = nullptr;
mContext->OMSetRenderTargets(1, &view, nullptr);
if (mDefaultRT) {
RefPtr<ID3D11RenderTargetView> rtView = mDefaultRT->mRTView;
RefPtr<ID3D11ShaderResourceView> srView = mDefaultRT->mSRV;
// Make sure the texture, which belongs to the swapchain, is destroyed
// before resizing the swapchain.
if (mCurrentRT == mDefaultRT) {
mCurrentRT = nullptr;
}
MOZ_ASSERT(mDefaultRT->hasOneRef());
mDefaultRT = nullptr;
RefPtr<ID3D11Resource> resource;
rtView->GetResource(getter_AddRefs(resource));
ULONG newRefCnt = rtView.forget().take()->Release();
if (newRefCnt > 0) {
gfxCriticalError() << "mRTView not destroyed on final release! RefCnt: " << newRefCnt;
}
if (srView) {
newRefCnt = srView.forget().take()->Release();
if (newRefCnt > 0) {
gfxCriticalError() << "mSRV not destroyed on final release! RefCnt: " << newRefCnt;
}
}
newRefCnt = resource.forget().take()->Release();
if (newRefCnt > 0) {
gfxCriticalError() << "Unexpecting lingering references to backbuffer! RefCnt: " << newRefCnt;
}
}
hr = mSwapChain->ResizeBuffers(1, mSize.width, mSize.height,
DXGI_FORMAT_B8G8R8A8_UNORM,
0);
mVerifyBuffersFailed = FAILED(hr);
if (mVerifyBuffersFailed) {
gfxCriticalNote << "D3D11 swap resize buffers failed " << hexa(hr) << " on " << mSize;
HandleError(hr);
}
return !mVerifyBuffersFailed;
}
bool
CompositorD3D11::UpdateRenderTarget()
{
EnsureSize();
if (!VerifyBufferSize()) {
gfxCriticalNote << "Failed VerifyBufferSize in UpdateRenderTarget " << mSize;
return false;
}
if (mDefaultRT) {
return true;
}
if (mSize.width <= 0 || mSize.height <= 0) {
gfxCriticalNote << "Invalid size in UpdateRenderTarget " << mSize << ", " << (int)mVerifyBuffersFailed;
return false;
}
HRESULT hr;
RefPtr<ID3D11Texture2D> backBuf;
hr = mSwapChain->GetBuffer(0, __uuidof(ID3D11Texture2D), (void**)backBuf.StartAssignment());
if (hr == DXGI_ERROR_INVALID_CALL) {
// This happens on some GPUs/drivers when there's a TDR.
if (mDevice->GetDeviceRemovedReason() != S_OK) {
gfxCriticalError() << "GetBuffer returned invalid call! " << mSize << ", " << (int)mVerifyBuffersFailed;
return false;
}
}
if (FAILED(hr)) {
gfxCriticalNote << "Failed in UpdateRenderTarget " << hexa(hr) << ", " << mSize << ", " << (int)mVerifyBuffersFailed;
HandleError(hr);
return false;
}
mDefaultRT = new CompositingRenderTargetD3D11(backBuf, IntPoint(0, 0));
mDefaultRT->SetSize(mSize.ToUnknownSize());
return true;
}
bool
DeviceAttachmentsD3D11::InitSyncObject()
{
// Sync object is not supported on WARP.
if (gfxWindowsPlatform::GetPlatform()->IsWARP()) {
return true;
}
// It's okay to do this on Windows 8. But for now we'll just bail
// whenever we're using WARP.
CD3D11_TEXTURE2D_DESC desc(DXGI_FORMAT_B8G8R8A8_UNORM, 1, 1, 1, 1,
D3D11_BIND_SHADER_RESOURCE |
D3D11_BIND_RENDER_TARGET);
desc.MiscFlags = D3D11_RESOURCE_MISC_SHARED_KEYEDMUTEX;
RefPtr<ID3D11Texture2D> texture;
HRESULT hr = mDevice->CreateTexture2D(&desc, nullptr, getter_AddRefs(texture));
if (Failed(hr, "create sync texture")) {
return false;
}
hr = texture->QueryInterface((IDXGIResource**)getter_AddRefs(mSyncTexture));
if (Failed(hr, "QI sync texture")) {
return false;
}
hr = mSyncTexture->GetSharedHandle(&mSyncHandle);
if (FAILED(hr) || !mSyncHandle) {
gfxCriticalError() << "Failed to get SharedHandle for sync texture. Result: "
<< hexa(hr);
NS_DispatchToMainThread(NS_NewRunnableFunction([] () -> void {
Accumulate(Telemetry::D3D11_SYNC_HANDLE_FAILURE, 1);
}));
return false;
}
return true;
}
bool
DeviceAttachmentsD3D11::InitBlendShaders()
{
if (!mVSQuadBlendShader[MaskType::MaskNone]) {
InitVertexShader(sLayerQuadBlendVS, mVSQuadBlendShader, MaskType::MaskNone);
InitVertexShader(sLayerQuadBlendMaskVS, mVSQuadBlendShader, MaskType::Mask);
}
if (!mBlendShader[MaskType::MaskNone]) {
InitPixelShader(sBlendShader, mBlendShader, MaskType::MaskNone);
}
return mInitOkay;
}
bool
DeviceAttachmentsD3D11::CreateShaders()
{
InitVertexShader(sLayerQuadVS, mVSQuadShader, MaskType::MaskNone);
InitVertexShader(sLayerQuadMaskVS, mVSQuadShader, MaskType::Mask);
InitPixelShader(sSolidColorShader, mSolidColorShader, MaskType::MaskNone);
InitPixelShader(sSolidColorShaderMask, mSolidColorShader, MaskType::Mask);
InitPixelShader(sRGBShader, mRGBShader, MaskType::MaskNone);
InitPixelShader(sRGBShaderMask, mRGBShader, MaskType::Mask);
InitPixelShader(sRGBAShader, mRGBAShader, MaskType::MaskNone);
InitPixelShader(sRGBAShaderMask, mRGBAShader, MaskType::Mask);
InitPixelShader(sYCbCrShader, mYCbCrShader, MaskType::MaskNone);
InitPixelShader(sYCbCrShaderMask, mYCbCrShader, MaskType::Mask);
if (gfxPrefs::ComponentAlphaEnabled()) {
InitPixelShader(sComponentAlphaShader, mComponentAlphaShader, MaskType::MaskNone);
InitPixelShader(sComponentAlphaShaderMask, mComponentAlphaShader, MaskType::Mask);
}
InitVertexShader(sOculus050VRDistortionVS, getter_AddRefs(mVRDistortionVS[VRHMDType::Oculus050]));
InitPixelShader(sOculus050VRDistortionPS, getter_AddRefs(mVRDistortionPS[VRHMDType::Oculus050]));
// These are shared
// XXX rename Oculus050 shaders to something more generic
mVRDistortionVS[VRHMDType::Cardboard] = mVRDistortionVS[VRHMDType::Oculus050];
mVRDistortionPS[VRHMDType::Cardboard] = mVRDistortionPS[VRHMDType::Oculus050];
return mInitOkay;
}
bool
CompositorD3D11::UpdateConstantBuffers()
{
HRESULT hr;
D3D11_MAPPED_SUBRESOURCE resource;
resource.pData = nullptr;
hr = mContext->Map(mAttachments->mVSConstantBuffer, 0, D3D11_MAP_WRITE_DISCARD, 0, &resource);
if (FAILED(hr) || !resource.pData) {
gfxCriticalError() << "Failed to map VSConstantBuffer. Result: " << hexa(hr) << ", " << (int)mVerifyBuffersFailed;
HandleError(hr);
return false;
}
*(VertexShaderConstants*)resource.pData = mVSConstants;
mContext->Unmap(mAttachments->mVSConstantBuffer, 0);
resource.pData = nullptr;
hr = mContext->Map(mAttachments->mPSConstantBuffer, 0, D3D11_MAP_WRITE_DISCARD, 0, &resource);
if (FAILED(hr) || !resource.pData) {
gfxCriticalError() << "Failed to map PSConstantBuffer. Result: " << hexa(hr) << ", " << (int)mVerifyBuffersFailed;
HandleError(hr);
return false;
}
*(PixelShaderConstants*)resource.pData = mPSConstants;
mContext->Unmap(mAttachments->mPSConstantBuffer, 0);
ID3D11Buffer *buffer = mAttachments->mVSConstantBuffer;
mContext->VSSetConstantBuffers(0, 1, &buffer);
buffer = mAttachments->mPSConstantBuffer;
mContext->PSSetConstantBuffers(0, 1, &buffer);
return true;
}
void
CompositorD3D11::SetSamplerForSamplingFilter(SamplingFilter aSamplingFilter)
{
ID3D11SamplerState *sampler;
switch (aSamplingFilter) {
case SamplingFilter::POINT:
sampler = mAttachments->mPointSamplerState;
break;
case SamplingFilter::LINEAR:
default:
sampler = mAttachments->mLinearSamplerState;
break;
}
mContext->PSSetSamplers(0, 1, &sampler);
}
void
CompositorD3D11::PaintToTarget()
{
RefPtr<ID3D11Texture2D> backBuf;
HRESULT hr;
hr = mSwapChain->GetBuffer(0, __uuidof(ID3D11Texture2D), (void**)backBuf.StartAssignment());
if (FAILED(hr)) {
gfxCriticalErrorOnce(gfxCriticalError::DefaultOptions(false)) << "Failed in PaintToTarget 1";
HandleError(hr);
return;
}
D3D11_TEXTURE2D_DESC bbDesc;
backBuf->GetDesc(&bbDesc);
CD3D11_TEXTURE2D_DESC softDesc(bbDesc.Format, bbDesc.Width, bbDesc.Height);
softDesc.MipLevels = 1;
softDesc.CPUAccessFlags = D3D11_CPU_ACCESS_READ;
softDesc.Usage = D3D11_USAGE_STAGING;
softDesc.BindFlags = 0;
RefPtr<ID3D11Texture2D> readTexture;
hr = mDevice->CreateTexture2D(&softDesc, nullptr, getter_AddRefs(readTexture));
if (FAILED(hr)) {
gfxCriticalErrorOnce(gfxCriticalError::DefaultOptions(false)) << "Failed in PaintToTarget 2";
HandleError(hr);
return;
}
mContext->CopyResource(readTexture, backBuf);
D3D11_MAPPED_SUBRESOURCE map;
hr = mContext->Map(readTexture, 0, D3D11_MAP_READ, 0, &map);
if (FAILED(hr)) {
gfxCriticalErrorOnce(gfxCriticalError::DefaultOptions(false)) << "Failed in PaintToTarget 3";
HandleError(hr);
return;
}
RefPtr<DataSourceSurface> sourceSurface =
Factory::CreateWrappingDataSourceSurface((uint8_t*)map.pData,
map.RowPitch,
IntSize(bbDesc.Width, bbDesc.Height),
SurfaceFormat::B8G8R8A8);
mTarget->CopySurface(sourceSurface,
IntRect(0, 0, bbDesc.Width, bbDesc.Height),
IntPoint(-mTargetBounds.x, -mTargetBounds.y));
mTarget->Flush();
mContext->Unmap(readTexture, 0);
}
bool
CompositorD3D11::Failed(HRESULT hr, const char* aContext)
{
if (SUCCEEDED(hr))
return false;
gfxCriticalNote << "[D3D11] " << aContext << " failed: " << hexa(hr) << ", " << (int)mVerifyBuffersFailed;
return true;
}
void
CompositorD3D11::HandleError(HRESULT hr, Severity aSeverity)
{
if (SUCCEEDED(hr)) {
return;
}
if (aSeverity == Critical) {
MOZ_CRASH("GFX: Unrecoverable D3D11 error");
}
RefPtr<ID3D11Device> device;
if (!gfxWindowsPlatform::GetPlatform()->GetD3D11Device(&device) || device != mDevice) {
gfxCriticalError() << "Out of sync D3D11 devices in HandleError, " << (int)mVerifyBuffersFailed;
}
HRESULT hrOnReset = S_OK;
bool deviceRemoved = hr == DXGI_ERROR_DEVICE_REMOVED;
if (deviceRemoved && mDevice) {
hrOnReset = mDevice->GetDeviceRemovedReason();
} else if (hr == DXGI_ERROR_INVALID_CALL && mDevice) {
hrOnReset = mDevice->GetDeviceRemovedReason();
if (hrOnReset != S_OK) {
deviceRemoved = true;
}
}
// Device reset may not be an error on our side, but can mess things up so
// it's useful to see it in the reports.
gfxCriticalError(CriticalLog::DefaultOptions(!deviceRemoved))
<< (deviceRemoved ? "[CompositorD3D11] device removed with error code: "
: "[CompositorD3D11] error code: ")
<< hexa(hr) << ", " << hexa(hrOnReset) << ", " << (int)mVerifyBuffersFailed;
// Crash if we are making invalid calls outside of device removal
if (hr == DXGI_ERROR_INVALID_CALL) {
gfxDevCrash(deviceRemoved ? LogReason::D3D11InvalidCallDeviceRemoved : LogReason::D3D11InvalidCall) << "Invalid D3D11 api call";
}
if (aSeverity == Recoverable) {
NS_WARNING("Encountered a recoverable D3D11 error");
}
}
}
}
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