gecko/gfx/layers/d3d11/TextureD3D11.cpp

471 lines
12 KiB
C++

/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* 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 "TextureD3D11.h"
#include "CompositorD3D11.h"
#include "gfxContext.h"
#include "Effects.h"
#include "mozilla/layers/YCbCrImageDataSerializer.h"
#include "gfxWindowsPlatform.h"
#include "gfxD2DSurface.h"
#include "gfx2DGlue.h"
namespace mozilla {
using namespace gfx;
namespace layers {
static DXGI_FORMAT
SurfaceFormatToDXGIFormat(gfx::SurfaceFormat aFormat)
{
switch (aFormat) {
case SurfaceFormat::B8G8R8A8:
return DXGI_FORMAT_B8G8R8A8_UNORM;
case SurfaceFormat::B8G8R8X8:
return DXGI_FORMAT_B8G8R8A8_UNORM;
case SurfaceFormat::A8:
return DXGI_FORMAT_A8_UNORM;
default:
MOZ_ASSERT(false, "unsupported format");
return DXGI_FORMAT_UNKNOWN;
}
}
static uint32_t
GetRequiredTilesD3D11(uint32_t aSize, uint32_t aMaxSize)
{
uint32_t requiredTiles = aSize / aMaxSize;
if (aSize % aMaxSize) {
requiredTiles++;
}
return requiredTiles;
}
static IntRect
GetTileRectD3D11(uint32_t aID, IntSize aSize, uint32_t aMaxSize)
{
uint32_t horizontalTiles = GetRequiredTilesD3D11(aSize.width, aMaxSize);
uint32_t verticalTiles = GetRequiredTilesD3D11(aSize.height, aMaxSize);
uint32_t verticalTile = aID / horizontalTiles;
uint32_t horizontalTile = aID % horizontalTiles;
return IntRect(horizontalTile * aMaxSize,
verticalTile * aMaxSize,
horizontalTile < (horizontalTiles - 1) ? aMaxSize : aSize.width % aMaxSize,
verticalTile < (verticalTiles - 1) ? aMaxSize : aSize.height % aMaxSize);
}
DataTextureSourceD3D11::DataTextureSourceD3D11(SurfaceFormat aFormat,
CompositorD3D11* aCompositor,
TextureFlags aFlags)
: mCompositor(aCompositor)
, mFormat(aFormat)
, mFlags(aFlags)
, mCurrentTile(0)
, mIsTiled(false)
, mIterating(false)
{
MOZ_COUNT_CTOR(DataTextureSourceD3D11);
}
DataTextureSourceD3D11::DataTextureSourceD3D11(SurfaceFormat aFormat,
CompositorD3D11* aCompositor,
ID3D11Texture2D* aTexture)
: mCompositor(aCompositor)
, mFormat(aFormat)
, mFlags(TextureFlags::NO_FLAGS)
, mCurrentTile(0)
, mIsTiled(false)
, mIterating(false)
{
MOZ_COUNT_CTOR(DataTextureSourceD3D11);
mTexture = aTexture;
D3D11_TEXTURE2D_DESC desc;
aTexture->GetDesc(&desc);
mSize = IntSize(desc.Width, desc.Height);
}
DataTextureSourceD3D11::~DataTextureSourceD3D11()
{
MOZ_COUNT_DTOR(DataTextureSourceD3D11);
}
template<typename T> // ID3D10Texture2D or ID3D11Texture2D
static void LockD3DTexture(T* aTexture)
{
MOZ_ASSERT(aTexture);
RefPtr<IDXGIKeyedMutex> mutex;
aTexture->QueryInterface((IDXGIKeyedMutex**)byRef(mutex));
if (mutex) {
mutex->AcquireSync(0, INFINITE);
}
}
template<typename T> // ID3D10Texture2D or ID3D11Texture2D
static void UnlockD3DTexture(T* aTexture)
{
MOZ_ASSERT(aTexture);
RefPtr<IDXGIKeyedMutex> mutex;
aTexture->QueryInterface((IDXGIKeyedMutex**)byRef(mutex));
if (mutex) {
mutex->ReleaseSync(0);
}
}
TemporaryRef<TextureHost>
CreateTextureHostD3D11(const SurfaceDescriptor& aDesc,
ISurfaceAllocator* aDeallocator,
TextureFlags aFlags)
{
RefPtr<TextureHost> result;
switch (aDesc.type()) {
case SurfaceDescriptor::TSurfaceDescriptorShmem:
case SurfaceDescriptor::TSurfaceDescriptorMemory: {
result = CreateBackendIndependentTextureHost(aDesc, aDeallocator, aFlags);
break;
}
case SurfaceDescriptor::TSurfaceDescriptorD3D10: {
result = new DXGITextureHostD3D11(aFlags,
aDesc.get_SurfaceDescriptorD3D10());
break;
}
default: {
NS_WARNING("Unsupported SurfaceDescriptor type");
}
}
return result;
}
TextureClientD3D11::TextureClientD3D11(gfx::SurfaceFormat aFormat, TextureFlags aFlags)
: TextureClient(aFlags)
, mFormat(aFormat)
, mIsLocked(false)
, mNeedsClear(false)
{}
TextureClientD3D11::~TextureClientD3D11()
{
#ifdef DEBUG
// An Azure DrawTarget needs to be locked when it gets nullptr'ed as this is
// when it calls EndDraw. This EndDraw should not execute anything so it
// shouldn't -really- need the lock but the debug layer chokes on this.
if (mDrawTarget) {
MOZ_ASSERT(!mIsLocked);
MOZ_ASSERT(mTexture);
MOZ_ASSERT(mDrawTarget->refCount() == 1);
LockD3DTexture(mTexture.get());
mDrawTarget = nullptr;
UnlockD3DTexture(mTexture.get());
}
#endif
}
bool
TextureClientD3D11::Lock(OpenMode aMode)
{
if (!mTexture) {
return false;
}
MOZ_ASSERT(!mIsLocked, "The Texture is already locked!");
LockD3DTexture(mTexture.get());
mIsLocked = true;
if (mNeedsClear) {
mDrawTarget = BorrowDrawTarget();
mDrawTarget->ClearRect(Rect(0, 0, GetSize().width, GetSize().height));
mNeedsClear = false;
}
return true;
}
void
TextureClientD3D11::Unlock()
{
MOZ_ASSERT(mIsLocked, "Unlocked called while the texture is not locked!");
if (mDrawTarget) {
// see the comment on TextureClient::BorrowDrawTarget.
// This DrawTarget is internal to the TextureClient and is only exposed to the
// outside world between Lock() and Unlock(). This assertion checks that no outside
// reference remains by the time Unlock() is called.
MOZ_ASSERT(mDrawTarget->refCount() == 1);
mDrawTarget->Flush();
}
// The DrawTarget is created only once, and is only usable between calls
// to Lock and Unlock.
UnlockD3DTexture(mTexture.get());
mIsLocked = false;
}
DrawTarget*
TextureClientD3D11::BorrowDrawTarget()
{
MOZ_ASSERT(mIsLocked, "Calling TextureClient::BorrowDrawTarget without locking :(");
if (!mTexture) {
return nullptr;
}
if (mDrawTarget) {
return mDrawTarget;
}
mDrawTarget = Factory::CreateDrawTargetForD3D10Texture(mTexture, mFormat);
return mDrawTarget;
}
bool
TextureClientD3D11::AllocateForSurface(gfx::IntSize aSize, TextureAllocationFlags aFlags)
{
mSize = aSize;
ID3D10Device* device = gfxWindowsPlatform::GetPlatform()->GetD3D10Device();
CD3D10_TEXTURE2D_DESC newDesc(DXGI_FORMAT_B8G8R8A8_UNORM,
aSize.width, aSize.height, 1, 1,
D3D10_BIND_RENDER_TARGET | D3D10_BIND_SHADER_RESOURCE);
newDesc.MiscFlags = D3D10_RESOURCE_MISC_SHARED_KEYEDMUTEX;
HRESULT hr = device->CreateTexture2D(&newDesc, nullptr, byRef(mTexture));
if (FAILED(hr)) {
LOGD3D11("Error creating texture for client!");
return false;
}
// Defer clearing to the next time we lock to avoid an extra (expensive) lock.
mNeedsClear = aFlags & ALLOC_CLEAR_BUFFER;
return true;
}
bool
TextureClientD3D11::ToSurfaceDescriptor(SurfaceDescriptor& aOutDescriptor)
{
if (!IsAllocated()) {
return false;
}
RefPtr<IDXGIResource> resource;
mTexture->QueryInterface((IDXGIResource**)byRef(resource));
HANDLE sharedHandle;
HRESULT hr = resource->GetSharedHandle(&sharedHandle);
if (FAILED(hr)) {
LOGD3D11("Error getting shared handle for texture.");
return false;
}
aOutDescriptor = SurfaceDescriptorD3D10((WindowsHandle)sharedHandle, mFormat, mSize);
return true;
}
DXGITextureHostD3D11::DXGITextureHostD3D11(TextureFlags aFlags,
const SurfaceDescriptorD3D10& aDescriptor)
: TextureHost(aFlags)
, mHandle(aDescriptor.handle())
, mFormat(aDescriptor.format())
, mIsLocked(false)
{}
ID3D11Device*
DXGITextureHostD3D11::GetDevice()
{
return mCompositor ? mCompositor->GetDevice() : nullptr;
}
void
DXGITextureHostD3D11::SetCompositor(Compositor* aCompositor)
{
mCompositor = static_cast<CompositorD3D11*>(aCompositor);
}
bool
DXGITextureHostD3D11::Lock()
{
if (!GetDevice()) {
NS_WARNING("trying to lock a TextureHost without a D3D device");
return false;
}
if (!mTextureSource) {
RefPtr<ID3D11Texture2D> tex;
HRESULT hr = GetDevice()->OpenSharedResource((HANDLE)mHandle,
__uuidof(ID3D11Texture2D),
(void**)(ID3D11Texture2D**)byRef(tex));
if (FAILED(hr)) {
NS_WARNING("Failed to open shared texture");
return false;
}
mTextureSource = new DataTextureSourceD3D11(mFormat, mCompositor, tex);
D3D11_TEXTURE2D_DESC desc;
tex->GetDesc(&desc);
mSize = IntSize(desc.Width, desc.Height);
}
LockD3DTexture(mTextureSource->GetD3D11Texture());
mIsLocked = true;
return true;
}
void
DXGITextureHostD3D11::Unlock()
{
MOZ_ASSERT(mIsLocked);
UnlockD3DTexture(mTextureSource->GetD3D11Texture());
mIsLocked = false;
}
NewTextureSource*
DXGITextureHostD3D11::GetTextureSources()
{
return mTextureSource.get();
}
bool
DataTextureSourceD3D11::Update(DataSourceSurface* aSurface,
nsIntRegion* aDestRegion,
IntPoint* aSrcOffset)
{
// Right now we only support full surface update. If aDestRegion is provided,
// It will be ignored. Incremental update with a source offset is only used
// on Mac so it is not clear that we ever will need to support it for D3D.
MOZ_ASSERT(!aSrcOffset);
MOZ_ASSERT(aSurface);
if (!mCompositor || !mCompositor->GetDevice()) {
return false;
}
uint32_t bpp = BytesPerPixel(aSurface->GetFormat());
DXGI_FORMAT dxgiFormat = SurfaceFormatToDXGIFormat(aSurface->GetFormat());
mSize = aSurface->GetSize();
mFormat = aSurface->GetFormat();
CD3D11_TEXTURE2D_DESC desc(dxgiFormat, mSize.width, mSize.height,
1, 1, D3D11_BIND_SHADER_RESOURCE,
D3D11_USAGE_IMMUTABLE);
int32_t maxSize = mCompositor->GetMaxTextureSize();
if ((mSize.width <= maxSize && mSize.height <= maxSize) ||
(mFlags & TextureFlags::DISALLOW_BIGIMAGE)) {
D3D11_SUBRESOURCE_DATA initData;
initData.pSysMem = aSurface->GetData();
initData.SysMemPitch = aSurface->Stride();
mCompositor->GetDevice()->CreateTexture2D(&desc, &initData, byRef(mTexture));
mIsTiled = false;
if (!mTexture) {
Reset();
return false;
}
} else {
mIsTiled = true;
uint32_t tileCount = GetRequiredTilesD3D11(mSize.width, maxSize) *
GetRequiredTilesD3D11(mSize.height, maxSize);
mTileTextures.resize(tileCount);
mTexture = nullptr;
for (uint32_t i = 0; i < tileCount; i++) {
IntRect tileRect = GetTileRect(i);
desc.Width = tileRect.width;
desc.Height = tileRect.height;
D3D11_SUBRESOURCE_DATA initData;
initData.pSysMem = aSurface->GetData() +
tileRect.y * aSurface->Stride() +
tileRect.x * bpp;
initData.SysMemPitch = aSurface->Stride();
mCompositor->GetDevice()->CreateTexture2D(&desc, &initData, byRef(mTileTextures[i]));
if (!mTileTextures[i]) {
Reset();
return false;
}
}
}
return true;
}
ID3D11Texture2D*
DataTextureSourceD3D11::GetD3D11Texture() const
{
return mIterating ? mTileTextures[mCurrentTile]
: mTexture;
}
void
DataTextureSourceD3D11::Reset()
{
mTexture = nullptr;
mTileTextures.resize(0);
mIsTiled = false;
mSize.width = 0;
mSize.height = 0;
}
IntRect
DataTextureSourceD3D11::GetTileRect(uint32_t aIndex) const
{
return GetTileRectD3D11(aIndex, mSize, mCompositor->GetMaxTextureSize());
}
nsIntRect
DataTextureSourceD3D11::GetTileRect()
{
IntRect rect = GetTileRect(mCurrentTile);
return nsIntRect(rect.x, rect.y, rect.width, rect.height);
}
void
DataTextureSourceD3D11::SetCompositor(Compositor* aCompositor)
{
CompositorD3D11* d3dCompositor = static_cast<CompositorD3D11*>(aCompositor);
if (mCompositor && mCompositor != d3dCompositor) {
Reset();
}
mCompositor = d3dCompositor;
}
CompositingRenderTargetD3D11::CompositingRenderTargetD3D11(ID3D11Texture2D* aTexture,
const gfx::IntPoint& aOrigin)
: CompositingRenderTarget(aOrigin)
{
MOZ_ASSERT(aTexture);
mTexture = aTexture;
RefPtr<ID3D11Device> device;
mTexture->GetDevice(byRef(device));
HRESULT hr = device->CreateRenderTargetView(mTexture, nullptr, byRef(mRTView));
if (FAILED(hr)) {
LOGD3D11("Failed to create RenderTargetView.");
}
}
IntSize
CompositingRenderTargetD3D11::GetSize() const
{
return TextureSourceD3D11::GetSize();
}
}
}