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gecko/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 "mozilla/layers/ImageHost.h"
#include "mozilla/layers/ContentHost.h"
#include "mozilla/layers/Effects.h"
#include "nsWindowsHelpers.h"
#include "gfxPrefs.h"
#include "gfxCrashReporterUtils.h"
#include "gfxVR.h"
#include "mozilla/EnumeratedArray.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 };
struct DeviceAttachmentsD3D11
{
typedef EnumeratedArray<MaskType, MaskType::NumMaskTypes, RefPtr<ID3D11VertexShader>>
VertexShaderArray;
typedef EnumeratedArray<MaskType, MaskType::NumMaskTypes, RefPtr<ID3D11PixelShader>>
PixelShaderArray;
RefPtr<ID3D11InputLayout> mInputLayout;
RefPtr<ID3D11Buffer> mVertexBuffer;
VertexShaderArray mVSQuadShader;
PixelShaderArray mSolidColorShader;
PixelShaderArray mRGBAShader;
PixelShaderArray mRGBShader;
PixelShaderArray mYCbCrShader;
PixelShaderArray mComponentAlphaShader;
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;
//
// 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];
};
CompositorD3D11::CompositorD3D11(nsIWidget* aWidget)
: mAttachments(nullptr)
, mWidget(aWidget)
, mHwnd(nullptr)
, mDisableSequenceForNextFrame(false)
{
SetBackend(LayersBackend::LAYERS_D3D11);
}
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()
{
bool force = gfxPrefs::LayersAccelerationForceEnabled();
ScopedGfxFeatureReporter reporter("D3D11 Layers", force);
if (!gfxPlatform::CanUseDirect3D11()) {
NS_WARNING("Direct3D 11-accelerated layers are not supported on this system.");
return false;
}
HRESULT hr;
mDevice = gfxWindowsPlatform::GetPlatform()->GetD3D11Device();
if (!mDevice) {
return false;
}
mDevice->GetImmediateContext(byRef(mContext));
if (!mContext) {
return false;
}
mFeatureLevel = mDevice->GetFeatureLevel();
mHwnd = (HWND)mWidget->GetNativeData(NS_NATIVE_WINDOW);
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->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),
byRef(mAttachments->mInputLayout));
if (FAILED(hr)) {
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, byRef(mAttachments->mVertexBuffer));
if (FAILED(hr)) {
return false;
}
if (!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, byRef(mAttachments->mVSConstantBuffer));
if (FAILED(hr)) {
return false;
}
cBufferDesc.ByteWidth = sizeof(PixelShaderConstants);
hr = mDevice->CreateBuffer(&cBufferDesc, nullptr, byRef(mAttachments->mPSConstantBuffer));
if (FAILED(hr)) {
return false;
}
CD3D11_RASTERIZER_DESC rastDesc(D3D11_DEFAULT);
rastDesc.CullMode = D3D11_CULL_NONE;
rastDesc.ScissorEnable = TRUE;
hr = mDevice->CreateRasterizerState(&rastDesc, byRef(mAttachments->mRasterizerState));
if (FAILED(hr)) {
return false;
}
CD3D11_SAMPLER_DESC samplerDesc(D3D11_DEFAULT);
hr = mDevice->CreateSamplerState(&samplerDesc, byRef(mAttachments->mLinearSamplerState));
if (FAILED(hr)) {
return false;
}
samplerDesc.Filter = D3D11_FILTER_MIN_MAG_MIP_POINT;
hr = mDevice->CreateSamplerState(&samplerDesc, byRef(mAttachments->mPointSamplerState));
if (FAILED(hr)) {
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, byRef(mAttachments->mPremulBlendState));
if (FAILED(hr)) {
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, byRef(mAttachments->mNonPremulBlendState));
if (FAILED(hr)) {
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, byRef(mAttachments->mComponentBlendState));
if (FAILED(hr)) {
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, byRef(mAttachments->mDisabledBlendState));
if (FAILED(hr)) {
return false;
}
if (!gfxWindowsPlatform::GetPlatform()->IsWARP()) {
// 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;
hr = mDevice->CreateTexture2D(&desc, nullptr, byRef(texture));
if (FAILED(hr)) {
return false;
}
hr = texture->QueryInterface((IDXGIResource**)byRef(mAttachments->mSyncTexture));
if (FAILED(hr)) {
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),
OculusVRDistortionVS,
sizeof(OculusVRDistortionVS),
byRef(mAttachments->mVRDistortionInputLayout[VRHMDType::Oculus]));
// XXX shared for now, rename
mAttachments->mVRDistortionInputLayout[VRHMDType::Cardboard] =
mAttachments->mVRDistortionInputLayout[VRHMDType::Oculus];
cBufferDesc.ByteWidth = sizeof(gfx::VRDistortionConstants);
hr = mDevice->CreateBuffer(&cBufferDesc, nullptr, byRef(mAttachments->mVRDistortionConstants));
if (FAILED(hr)) {
return false;
}
}
nsRefPtr<IDXGIDevice> dxgiDevice;
nsRefPtr<IDXGIAdapter> dxgiAdapter;
mDevice->QueryInterface(dxgiDevice.StartAssignment());
dxgiDevice->GetAdapter(getter_AddRefs(dxgiAdapter));
{
nsRefPtr<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, byRef(mSwapChain));
if (FAILED(hr)) {
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);
}
reporter.SetSuccessful();
return true;
}
TemporaryRef<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;
if (mAttachments->mSyncTexture) {
HRESULT hr = mAttachments->mSyncTexture->GetSharedHandle(&ident.mSyncHandle);
if (FAILED(hr) || !ident.mSyncHandle) {
gfxCriticalError() << "Failed to get SharedHandle for sync texture. Result: " << hr;
MOZ_CRASH();
}
}
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);
}
TemporaryRef<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, byRef(texture));
if (Failed(hr) || !texture) {
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;
}
TemporaryRef<CompositingRenderTarget>
CompositorD3D11::CreateRenderTargetFromSource(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, byRef(texture));
NS_ASSERTION(texture, "Could not create texture");
if (Failed(hr) || !texture) {
return nullptr;
}
if (aSource) {
const CompositingRenderTargetD3D11* sourceD3D11 =
static_cast<const CompositingRenderTargetD3D11*>(aSource);
D3D11_BOX srcBox;
srcBox.left = aSourcePoint.x;
srcBox.top = aSourcePoint.y;
srcBox.front = 0;
srcBox.right = aSourcePoint.x + aRect.width;
srcBox.bottom = aSourcePoint.y + aRect.height;
srcBox.back = 1;
const IntSize& srcSize = sourceD3D11->GetSize();
MOZ_ASSERT(srcSize.width >= 0 && srcSize.height >= 0,
"render targets should have nonnegative sizes");
if (srcBox.left >= 0 &&
srcBox.top >= 0 &&
srcBox.left < srcBox.right &&
srcBox.top < srcBox.bottom &&
srcBox.right <= static_cast<uint32_t>(srcSize.width) &&
srcBox.bottom <= static_cast<uint32_t>(srcSize.height)) {
mContext->CopySubresourceRegion(texture, 0,
0, 0, 0,
sourceD3D11->GetD3D11Texture(), 0,
&srcBox);
} else {
NS_WARNING("Could not copy render target - source rect out of bounds");
}
}
RefPtr<CompositingRenderTargetD3D11> rt =
new CompositingRenderTargetD3D11(texture, aRect.TopLeft());
rt->SetSize(aRect.Size());
return rt;
}
void
CompositorD3D11::SetRenderTarget(CompositingRenderTarget* aRenderTarget)
{
MOZ_ASSERT(aRenderTarget);
CompositingRenderTargetD3D11* newRT =
static_cast<CompositingRenderTargetD3D11*>(aRenderTarget);
mCurrentRT = newRT;
mCurrentRT->BindRenderTarget(mContext);
PrepareViewport(newRT->GetSize());
}
void
CompositorD3D11::SetPSForEffect(Effect* aEffect, MaskType aMaskType, gfx::SurfaceFormat aFormat)
{
switch (aEffect->mType) {
case EffectTypes::SOLID_COLOR:
mContext->PSSetShader(mAttachments->mSolidColorShader[aMaskType], nullptr, 0);
return;
case EffectTypes::RENDER_TARGET:
mContext->PSSetShader(mAttachments->mRGBAShader[aMaskType], nullptr, 0);
return;
case EffectTypes::RGB:
mContext->PSSetShader((aFormat == SurfaceFormat::B8G8R8A8 || aFormat == SurfaceFormat::R8G8B8A8)
? mAttachments->mRGBAShader[aMaskType]
: mAttachments->mRGBShader[aMaskType], nullptr, 0);
return;
case EffectTypes::YCBCR:
mContext->PSSetShader(mAttachments->mYCbCrShader[aMaskType], nullptr, 0);
return;
case EffectTypes::COMPONENT_ALPHA:
mContext->PSSetShader(mAttachments->mComponentAlphaShader[aMaskType], nullptr, 0);
return;
default:
NS_WARNING("No shader to load");
return;
}
}
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::Rect& 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();
gfx::IntSize size = vrEffect->mRenderTarget->GetSize(); // XXX source->GetSize()
VRHMDInfo* hmdInfo = vrEffect->mHMD;
VRHMDType hmdType = hmdInfo->GetType();
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, byRef(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, byRef(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
// XXX, um should we cache this SRV on the source?
RefPtr<ID3D11ShaderResourceView> view;
mDevice->CreateShaderResourceView(source->GetD3D11Texture(), nullptr, byRef(view));
ID3D11ShaderResourceView* srView = view;
mContext->PSSetShaderResources(0, 1, &srView);
gfx::IntSize vpSizeInt = mCurrentRT->GetSize();
gfx::Size vpSize(vpSizeInt.width, vpSizeInt.height);
ID3D11Buffer* vbuffer;
UINT vsize, voffset;
for (uint32_t eye = 0; eye < 2; eye++) {
gfx::IntRect eyeViewport;
eyeViewport.x = eye * size.width / 2;
eyeViewport.y = 0;
eyeViewport.width = size.width / 2;
eyeViewport.height = size.height;
hmdInfo->FillDistortionConstants(eye,
size, eyeViewport,
vpSize, aRect,
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;
mContext->Map(mAttachments->mVRDistortionConstants, 0, D3D11_MAP_WRITE_DISCARD, 0, &resource);
*(gfx::VRDistortionConstants*)resource.pData = shaderConstants;
mContext->Unmap(mAttachments->mVRDistortionConstants, 0);
// 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);
}
void
CompositorD3D11::DrawQuad(const gfx::Rect& aRect,
const gfx::Rect& aClipRect,
const EffectChain& aEffectChain,
gfx::Float aOpacity,
const gfx::Matrix4x4& aTransform)
{
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]) {
if (aTransform.Is2D()) {
maskType = MaskType::Mask2d;
} else {
MOZ_ASSERT(aEffectChain.mPrimaryEffect->mType == EffectTypes::RGB);
maskType = MaskType::Mask3d;
}
EffectMask* maskEffect =
static_cast<EffectMask*>(aEffectChain.mSecondaryEffects[EffectTypes::MASK].get());
TextureSourceD3D11* source = maskEffect->mMaskTexture->AsSourceD3D11();
if (!source) {
NS_WARNING("Missing texture source!");
return;
}
RefPtr<ID3D11ShaderResourceView> view;
HRESULT hr = mDevice->CreateShaderResourceView(source->GetD3D11Texture(), nullptr, byRef(view));
if (Failed(hr)) {
// XXX - There's a chance we won't be able to render anything, should we
// just crash release builds?
return;
}
ID3D11ShaderResourceView* srView = view;
mContext->PSSetShaderResources(3, 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();
mContext->RSSetScissorRects(1, &scissor);
mContext->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLESTRIP);
mContext->VSSetShader(mAttachments->mVSQuadShader[maskType], nullptr, 0);
const Rect* pTexCoordRect = nullptr;
switch (aEffectChain.mPrimaryEffect->mType) {
case EffectTypes::SOLID_COLOR: {
SetPSForEffect(aEffectChain.mPrimaryEffect, maskType, SurfaceFormat::UNKNOWN);
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;
}
SetPSForEffect(aEffectChain.mPrimaryEffect, maskType, texturedEffect->mTexture->GetFormat());
RefPtr<ID3D11ShaderResourceView> view;
HRESULT hr = mDevice->CreateShaderResourceView(source->GetD3D11Texture(), nullptr, byRef(view));
if (Failed(hr)) {
// XXX - There's a chance we won't be able to render anything, should we
// just crash release builds?
return;
}
ID3D11ShaderResourceView* srView = view;
mContext->PSSetShaderResources(0, 1, &srView);
if (!texturedEffect->mPremultiplied) {
mContext->OMSetBlendState(mAttachments->mNonPremulBlendState, sBlendFactor, 0xFFFFFFFF);
restoreBlendMode = true;
}
SetSamplerForFilter(texturedEffect->mFilter);
}
break;
case EffectTypes::YCBCR: {
EffectYCbCr* ycbcrEffect =
static_cast<EffectYCbCr*>(aEffectChain.mPrimaryEffect.get());
SetSamplerForFilter(Filter::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;
}
SetPSForEffect(aEffectChain.mPrimaryEffect, maskType, ycbcrEffect->mTexture->GetFormat());
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();
HRESULT hr;
RefPtr<ID3D11ShaderResourceView> views[3];
hr = mDevice->CreateShaderResourceView(sourceY->GetD3D11Texture(),
nullptr, byRef(views[0]));
if (Failed(hr)) {
return;
}
hr = mDevice->CreateShaderResourceView(sourceCb->GetD3D11Texture(),
nullptr, byRef(views[1]));
if (Failed(hr)) {
return;
}
hr = mDevice->CreateShaderResourceView(sourceCr->GetD3D11Texture(),
nullptr, byRef(views[2]));
if (Failed(hr)) {
return;
}
ID3D11ShaderResourceView* srViews[3] = { views[0], views[1], views[2] };
mContext->PSSetShaderResources(0, 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;
}
SetPSForEffect(aEffectChain.mPrimaryEffect, maskType, effectComponentAlpha->mOnWhite->GetFormat());
SetSamplerForFilter(effectComponentAlpha->mFilter);
pTexCoordRect = &effectComponentAlpha->mTextureCoords;
RefPtr<ID3D11ShaderResourceView> views[2];
HRESULT hr;
hr = mDevice->CreateShaderResourceView(sourceOnBlack->GetD3D11Texture(), nullptr, byRef(views[0]));
if (Failed(hr)) {
return;
}
hr = mDevice->CreateShaderResourceView(sourceOnWhite->GetD3D11Texture(), nullptr, byRef(views[1]));
if (Failed(hr)) {
return;
}
ID3D11ShaderResourceView* srViews[2] = { views[0], views[1] };
mContext->PSSetShaderResources(0, 2, srViews);
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 Rect* aClipRectIn,
const Rect& aRenderBounds,
Rect* aClipRectOut,
Rect* 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 = Rect();
return;
}
nsIntSize oldSize = mSize;
UpdateRenderTarget();
// Failed to create a render target or the view.
if (!mDefaultRT || !mDefaultRT->mRTView ||
mSize.width == 0 || mSize.height == 0) {
*aRenderBoundsOut = Rect();
return;
}
mContext->IASetInputLayout(mAttachments->mInputLayout);
ID3D11Buffer* buffer = mAttachments->mVertexBuffer;
UINT size = sizeof(Vertex);
UINT offset = 0;
mContext->IASetVertexBuffers(0, 1, &buffer, &size, &offset);
IntRect intRect = IntRect(IntPoint(0, 0), mSize);
// 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();
mInvalidRect = IntRect(invalidRect.x, invalidRect.y, invalidRect.width, invalidRect.height);
mInvalidRegion = invalidRegionSafe;
if (aClipRectOut) {
*aClipRectOut = Rect(0, 0, mSize.width, mSize.height);
}
if (aRenderBoundsOut) {
*aRenderBoundsOut = Rect(0, 0, mSize.width, mSize.height);
}
if (aClipRectIn) {
invalidRect.IntersectRect(invalidRect, IntRect(aClipRectIn->x, aClipRectIn->y, aClipRectIn->width, aClipRectIn->height));
}
mCurrentClip = IntRect(invalidRect.x, invalidRect.y, invalidRect.width, invalidRect.height);
mContext->RSSetState(mAttachments->mRasterizerState);
SetRenderTarget(mDefaultRT);
// ClearRect will set the correct blend state for us.
ClearRect(Rect(invalidRect.x, invalidRect.y, invalidRect.width, invalidRect.height));
if (mAttachments->mSyncTexture) {
RefPtr<IDXGIKeyedMutex> mutex;
mAttachments->mSyncTexture->QueryInterface((IDXGIKeyedMutex**)byRef(mutex));
MOZ_ASSERT(mutex);
HRESULT hr = mutex->AcquireSync(0, 10000);
if (hr == WAIT_TIMEOUT) {
MOZ_CRASH();
}
mutex->ReleaseSync(0);
}
}
void
CompositorD3D11::EndFrame()
{
if (!mDefaultRT) {
return;
}
nsIntSize oldSize = mSize;
EnsureSize();
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**)byRef(chain));
if (SUCCEEDED(hr) && chain) {
DXGI_PRESENT_PARAMETERS params;
PodZero(&params);
params.DirtyRectsCount = mInvalidRegion.GetNumRects();
std::vector<RECT> rects;
rects.reserve(params.DirtyRectsCount);
nsIntRegionRectIterator iter(mInvalidRegion);
const IntRect* r;
uint32_t i = 0;
while ((r = iter.Next()) != nullptr) {
RECT rect;
rect.left = r->x;
rect.top = r->y;
rect.bottom = r->YMost();
rect.right = r->XMost();
rects.push_back(rect);
}
params.pDirtyRects = &rects.front();
chain->Present1(presentInterval, mDisableSequenceForNextFrame ? DXGI_PRESENT_DO_NOT_SEQUENCE : 0, &params);
} else {
mSwapChain->Present(presentInterval, mDisableSequenceForNextFrame ? DXGI_PRESENT_DO_NOT_SEQUENCE : 0);
}
mDisableSequenceForNextFrame = false;
if (mTarget) {
PaintToTarget();
}
}
mCurrentRT = nullptr;
}
void
CompositorD3D11::PrepareViewport(const gfx::IntSize& aSize)
{
D3D11_VIEWPORT viewport;
viewport.MaxDepth = 1.0f;
viewport.MinDepth = 0.0f;
viewport.Width = aSize.width;
viewport.Height = aSize.height;
viewport.TopLeftX = 0;
viewport.TopLeftY = 0;
mContext->RSSetViewports(1, &viewport);
// 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;
memcpy(&mVSConstants.projection, &projection, sizeof(mVSConstants.projection));
}
void
CompositorD3D11::EnsureSize()
{
IntRect rect;
mWidget->GetClientBounds(rect);
mSize = rect.Size();
}
bool
CompositorD3D11::VerifyBufferSize()
{
DXGI_SWAP_CHAIN_DESC swapDesc;
HRESULT hr;
hr = mSwapChain->GetDesc(&swapDesc);
if (Failed(hr)) {
return false;
}
if ((swapDesc.BufferDesc.Width == mSize.width &&
swapDesc.BufferDesc.Height == mSize.height) ||
mSize.width <= 0 || mSize.height <= 0) {
return true;
}
if (mDefaultRT) {
// 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;
}
hr = mSwapChain->ResizeBuffers(1, mSize.width, mSize.height,
DXGI_FORMAT_B8G8R8A8_UNORM,
0);
return Succeeded(hr);
}
void
CompositorD3D11::UpdateRenderTarget()
{
EnsureSize();
VerifyBufferSize();
if (mDefaultRT) {
return;
}
HRESULT hr;
nsRefPtr<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!";
return;
}
}
if (Failed(hr)) {
return;
}
mDefaultRT = new CompositingRenderTargetD3D11(backBuf, IntPoint(0, 0));
mDefaultRT->SetSize(mSize);
}
bool
CompositorD3D11::CreateShaders()
{
HRESULT hr;
hr = mDevice->CreateVertexShader(LayerQuadVS,
sizeof(LayerQuadVS),
nullptr,
byRef(mAttachments->mVSQuadShader[MaskType::MaskNone]));
if (FAILED(hr)) {
return false;
}
hr = mDevice->CreateVertexShader(LayerQuadMaskVS,
sizeof(LayerQuadMaskVS),
nullptr,
byRef(mAttachments->mVSQuadShader[MaskType::Mask2d]));
if (FAILED(hr)) {
return false;
}
hr = mDevice->CreateVertexShader(LayerQuadMask3DVS,
sizeof(LayerQuadMask3DVS),
nullptr,
byRef(mAttachments->mVSQuadShader[MaskType::Mask3d]));
if (FAILED(hr)) {
return false;
}
#define LOAD_PIXEL_SHADER(x) hr = mDevice->CreatePixelShader(x, sizeof(x), nullptr, byRef(mAttachments->m##x[MaskType::MaskNone])); \
if (FAILED(hr)) { \
return false; \
} \
hr = mDevice->CreatePixelShader(x##Mask, sizeof(x##Mask), nullptr, byRef(mAttachments->m##x[MaskType::Mask2d])); \
if (FAILED(hr)) { \
return false; \
}
LOAD_PIXEL_SHADER(SolidColorShader);
LOAD_PIXEL_SHADER(RGBShader);
LOAD_PIXEL_SHADER(RGBAShader);
LOAD_PIXEL_SHADER(YCbCrShader);
if (gfxPrefs::ComponentAlphaEnabled()) {
LOAD_PIXEL_SHADER(ComponentAlphaShader);
}
#undef LOAD_PIXEL_SHADER
hr = mDevice->CreatePixelShader(RGBAShaderMask3D,
sizeof(RGBAShaderMask3D),
nullptr,
byRef(mAttachments->mRGBAShader[MaskType::Mask3d]));
if (FAILED(hr)) {
return false;
}
/* VR stuff */
hr = mDevice->CreateVertexShader(OculusVRDistortionVS,
sizeof(OculusVRDistortionVS),
nullptr,
byRef(mAttachments->mVRDistortionVS[VRHMDType::Oculus]));
if (FAILED(hr)) {
return false;
}
hr = mDevice->CreatePixelShader(OculusVRDistortionPS,
sizeof(OculusVRDistortionPS),
nullptr,
byRef(mAttachments->mVRDistortionPS[VRHMDType::Oculus]));
if (FAILED(hr)) {
return false;
}
// These are shared
// XXX rename Oculus shaders to something more generic
mAttachments->mVRDistortionVS[VRHMDType::Cardboard] = mAttachments->mVRDistortionVS[VRHMDType::Oculus];
mAttachments->mVRDistortionPS[VRHMDType::Cardboard] = mAttachments->mVRDistortionPS[VRHMDType::Oculus];
return true;
}
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: " << 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: " << 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::SetSamplerForFilter(Filter aFilter)
{
ID3D11SamplerState *sampler;
switch (aFilter) {
case Filter::POINT:
sampler = mAttachments->mPointSamplerState;
break;
case Filter::LINEAR:
default:
sampler = mAttachments->mLinearSamplerState;
break;
}
mContext->PSSetSamplers(0, 1, &sampler);
}
void
CompositorD3D11::PaintToTarget()
{
nsRefPtr<ID3D11Texture2D> backBuf;
HRESULT hr;
hr = mSwapChain->GetBuffer(0, __uuidof(ID3D11Texture2D), (void**)backBuf.StartAssignment());
if (Failed(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;
nsRefPtr<ID3D11Texture2D> readTexture;
hr = mDevice->CreateTexture2D(&softDesc, nullptr, getter_AddRefs(readTexture));
if (Failed(hr)) {
return;
}
mContext->CopyResource(readTexture, backBuf);
D3D11_MAPPED_SUBRESOURCE map;
hr = mContext->Map(readTexture, 0, D3D11_MAP_READ, 0, &map);
if (Failed(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);
}
void
CompositorD3D11::HandleError(HRESULT hr, Severity aSeverity)
{
if (SUCCEEDED(hr)) {
return;
}
if (aSeverity == Critical) {
MOZ_CRASH("Unrecoverable D3D11 error");
}
bool deviceRemoved = hr == DXGI_ERROR_DEVICE_REMOVED;
if (deviceRemoved && mDevice) {
hr = mDevice->GetDeviceRemovedReason();
}
// 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);
// Always crash if we are making invalid calls
if (hr == DXGI_ERROR_INVALID_CALL) {
MOZ_CRASH("Invalid D3D11 api call");
}
if (aSeverity == Recoverable) {
NS_WARNING("Encountered a recoverable D3D11 error");
}
}
bool
CompositorD3D11::Failed(HRESULT hr, Severity aSeverity)
{
HandleError(hr, aSeverity);
return FAILED(hr);
}
bool
CompositorD3D11::Succeeded(HRESULT hr, Severity aSeverity)
{
HandleError(hr, aSeverity);
return SUCCEEDED(hr);
}
}
}
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