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gecko/gfx/layers/d3d9/ImageLayerD3D9.cpp

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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Corporation code.
*
* The Initial Developer of the Original Code is Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2009
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Bas Schouten <bschouten@mozilla.org>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "mozilla/layers/PLayers.h"
#include "mozilla/layers/ShadowLayers.h"
#include "ShadowBufferD3D9.h"
#include "gfxSharedImageSurface.h"
#include "ImageLayerD3D9.h"
#include "ThebesLayerD3D9.h"
#include "gfxPlatform.h"
#include "gfxImageSurface.h"
#include "yuv_convert.h"
#include "nsIServiceManager.h"
#include "nsIConsoleService.h"
#include "Nv3DVUtils.h"
namespace mozilla {
namespace layers {
static already_AddRefed<IDirect3DTexture9>
SurfaceToTexture(IDirect3DDevice9 *aDevice,
gfxASurface *aSurface,
const gfxIntSize &aSize)
{
nsRefPtr<gfxImageSurface> imageSurface = aSurface->GetAsImageSurface();
if (!imageSurface) {
imageSurface = new gfxImageSurface(aSize,
gfxASurface::ImageFormatARGB32);
nsRefPtr<gfxContext> context = new gfxContext(imageSurface);
context->SetSource(aSurface);
context->SetOperator(gfxContext::OPERATOR_SOURCE);
context->Paint();
}
nsRefPtr<IDirect3DTexture9> texture;
nsRefPtr<IDirect3DDevice9Ex> deviceEx;
aDevice->QueryInterface(IID_IDirect3DDevice9Ex,
(void**)getter_AddRefs(deviceEx));
if (deviceEx) {
// D3D9Ex doesn't support managed textures. We could use dynamic textures
// here but since Images are immutable that probably isn't such a great
// idea.
if (FAILED(aDevice->
CreateTexture(aSize.width, aSize.height,
1, 0, D3DFMT_A8R8G8B8, D3DPOOL_DEFAULT,
getter_AddRefs(texture), NULL)))
{
return NULL;
}
nsRefPtr<IDirect3DSurface9> surface;
if (FAILED(aDevice->
CreateOffscreenPlainSurface(aSize.width,
aSize.height,
D3DFMT_A8R8G8B8,
D3DPOOL_SYSTEMMEM,
getter_AddRefs(surface),
NULL)))
{
return NULL;
}
D3DLOCKED_RECT lockedRect;
surface->LockRect(&lockedRect, NULL, 0);
for (int y = 0; y < aSize.height; y++) {
memcpy((char*)lockedRect.pBits + lockedRect.Pitch * y,
imageSurface->Data() + imageSurface->Stride() * y,
aSize.width * 4);
}
surface->UnlockRect();
nsRefPtr<IDirect3DSurface9> dstSurface;
texture->GetSurfaceLevel(0, getter_AddRefs(dstSurface));
aDevice->UpdateSurface(surface, NULL, dstSurface, NULL);
} else {
if (FAILED(aDevice->
CreateTexture(aSize.width, aSize.height,
1, 0, D3DFMT_A8R8G8B8, D3DPOOL_MANAGED,
getter_AddRefs(texture), NULL)))
{
return NULL;
}
D3DLOCKED_RECT lockrect;
/* lock the entire texture */
texture->LockRect(0, &lockrect, NULL, 0);
// copy over data. If we don't need to do any swaping we can
// use memcpy
for (int y = 0; y < aSize.height; y++) {
memcpy((char*)lockrect.pBits + lockrect.Pitch * y,
imageSurface->Data() + imageSurface->Stride() * y,
aSize.width * 4);
}
texture->UnlockRect(0);
}
return texture.forget();
}
ImageContainerD3D9::ImageContainerD3D9(IDirect3DDevice9 *aDevice)
: ImageContainer(nsnull)
, mDevice(aDevice)
{
}
already_AddRefed<Image>
ImageContainerD3D9::CreateImage(const Image::Format *aFormats,
PRUint32 aNumFormats)
{
if (!aNumFormats) {
return nsnull;
}
nsRefPtr<Image> img;
if (aFormats[0] == Image::PLANAR_YCBCR) {
img = new PlanarYCbCrImageD3D9();
} else if (aFormats[0] == Image::CAIRO_SURFACE) {
img = new CairoImageD3D9(mDevice);
}
return img.forget();
}
void
ImageContainerD3D9::SetCurrentImage(Image *aImage)
{
ReentrantMonitorAutoEnter mon(mReentrantMonitor);
mActiveImage = aImage;
CurrentImageChanged();
}
already_AddRefed<Image>
ImageContainerD3D9::GetCurrentImage()
{
ReentrantMonitorAutoEnter mon(mReentrantMonitor);
nsRefPtr<Image> retval = mActiveImage;
return retval.forget();
}
already_AddRefed<gfxASurface>
ImageContainerD3D9::GetCurrentAsSurface(gfxIntSize *aSize)
{
ReentrantMonitorAutoEnter mon(mReentrantMonitor);
if (!mActiveImage) {
return nsnull;
}
if (mActiveImage->GetFormat() == Image::PLANAR_YCBCR) {
PlanarYCbCrImageD3D9 *yuvImage =
static_cast<PlanarYCbCrImageD3D9*>(mActiveImage.get());
if (yuvImage->HasData()) {
*aSize = yuvImage->mSize;
}
} else if (mActiveImage->GetFormat() == Image::CAIRO_SURFACE) {
CairoImageD3D9 *cairoImage =
static_cast<CairoImageD3D9*>(mActiveImage.get());
*aSize = cairoImage->GetSize();
}
return static_cast<ImageD3D9*>(mActiveImage->GetImplData())->GetAsSurface();
}
gfxIntSize
ImageContainerD3D9::GetCurrentSize()
{
ReentrantMonitorAutoEnter mon(mReentrantMonitor);
if (!mActiveImage) {
return gfxIntSize(0,0);
}
if (mActiveImage->GetFormat() == Image::PLANAR_YCBCR) {
PlanarYCbCrImageD3D9 *yuvImage =
static_cast<PlanarYCbCrImageD3D9*>(mActiveImage.get());
if (!yuvImage->HasData()) {
return gfxIntSize(0,0);
}
return yuvImage->mSize;
} else if (mActiveImage->GetFormat() == Image::CAIRO_SURFACE) {
CairoImageD3D9 *cairoImage =
static_cast<CairoImageD3D9*>(mActiveImage.get());
return cairoImage->GetSize();
}
return gfxIntSize(0,0);
}
bool
ImageContainerD3D9::SetLayerManager(LayerManager *aManager)
{
if (aManager->GetBackendType() == LayerManager::LAYERS_D3D9) {
return true;
}
return false;
}
Layer*
ImageLayerD3D9::GetLayer()
{
return this;
}
void
ImageLayerD3D9::RenderLayer()
{
if (!GetContainer()) {
return;
}
nsRefPtr<Image> image = GetContainer()->GetCurrentImage();
if (!image) {
return;
}
SetShaderTransformAndOpacity();
if (GetContainer()->GetBackendType() != LayerManager::LAYERS_D3D9)
{
gfxIntSize size;
nsRefPtr<gfxASurface> surface =
GetContainer()->GetCurrentAsSurface(&size);
nsRefPtr<IDirect3DTexture9> texture =
SurfaceToTexture(device(), surface, size);
device()->SetVertexShaderConstantF(CBvLayerQuad,
ShaderConstantRect(0,
0,
size.width,
size.height),
1);
if (surface->GetContentType() == gfxASurface::CONTENT_COLOR_ALPHA) {
mD3DManager->SetShaderMode(DeviceManagerD3D9::RGBALAYER);
} else {
mD3DManager->SetShaderMode(DeviceManagerD3D9::RGBLAYER);
}
device()->SetTexture(0, texture);
device()->DrawPrimitive(D3DPT_TRIANGLESTRIP, 0, 2);
} else if (image->GetFormat() == Image::PLANAR_YCBCR) {
PlanarYCbCrImageD3D9 *yuvImage =
static_cast<PlanarYCbCrImageD3D9*>(image.get());
if (!yuvImage->HasData()) {
return;
}
yuvImage->AllocateTextures(device());
device()->SetVertexShaderConstantF(CBvLayerQuad,
ShaderConstantRect(0,
0,
yuvImage->mSize.width,
yuvImage->mSize.height),
1);
device()->SetVertexShaderConstantF(CBvTextureCoords,
ShaderConstantRect(
(float)yuvImage->mData.mPicX / yuvImage->mData.mYSize.width,
(float)yuvImage->mData.mPicY / yuvImage->mData.mYSize.height,
(float)yuvImage->mData.mPicSize.width / yuvImage->mData.mYSize.width,
(float)yuvImage->mData.mPicSize.height / yuvImage->mData.mYSize.height
),
1);
mD3DManager->SetShaderMode(DeviceManagerD3D9::YCBCRLAYER);
/*
* Send 3d control data and metadata
*/
if (mD3DManager->GetNv3DVUtils()) {
Nv_Stereo_Mode mode;
switch (yuvImage->mData.mStereoMode) {
case STEREO_MODE_LEFT_RIGHT:
mode = NV_STEREO_MODE_LEFT_RIGHT;
break;
case STEREO_MODE_RIGHT_LEFT:
mode = NV_STEREO_MODE_RIGHT_LEFT;
break;
case STEREO_MODE_BOTTOM_TOP:
mode = NV_STEREO_MODE_BOTTOM_TOP;
break;
case STEREO_MODE_TOP_BOTTOM:
mode = NV_STEREO_MODE_TOP_BOTTOM;
break;
case STEREO_MODE_MONO:
mode = NV_STEREO_MODE_MONO;
break;
}
// Send control data even in mono case so driver knows to leave stereo mode.
mD3DManager->GetNv3DVUtils()->SendNv3DVControl(mode, true, FIREFOX_3DV_APP_HANDLE);
if (yuvImage->mData.mStereoMode != STEREO_MODE_MONO) {
mD3DManager->GetNv3DVUtils()->SendNv3DVControl(mode, true, FIREFOX_3DV_APP_HANDLE);
nsRefPtr<IDirect3DSurface9> renderTarget;
device()->GetRenderTarget(0, getter_AddRefs(renderTarget));
mD3DManager->GetNv3DVUtils()->SendNv3DVMetaData((unsigned int)yuvImage->mSize.width,
(unsigned int)yuvImage->mSize.height, (HANDLE)(yuvImage->mYTexture), (HANDLE)(renderTarget));
}
}
// Linear scaling is default here, adhering to mFilter is difficult since
// presumably even with point filtering we'll still want chroma upsampling
// to be linear. In the current approach we can't.
device()->SetTexture(0, yuvImage->mYTexture);
device()->SetTexture(1, yuvImage->mCbTexture);
device()->SetTexture(2, yuvImage->mCrTexture);
device()->DrawPrimitive(D3DPT_TRIANGLESTRIP, 0, 2);
device()->SetVertexShaderConstantF(CBvTextureCoords,
ShaderConstantRect(0, 0, 1.0f, 1.0f), 1);
} else if (image->GetFormat() == Image::CAIRO_SURFACE) {
CairoImageD3D9 *cairoImage =
static_cast<CairoImageD3D9*>(image.get());
ImageContainerD3D9 *container =
static_cast<ImageContainerD3D9*>(GetContainer());
if (container->device() != device()) {
// Ensure future images get created with the right device.
container->SetDevice(device());
}
if (cairoImage->device() != device()) {
cairoImage->SetDevice(device());
}
device()->SetVertexShaderConstantF(CBvLayerQuad,
ShaderConstantRect(0,
0,
cairoImage->GetSize().width,
cairoImage->GetSize().height),
1);
if (cairoImage->HasAlpha()) {
mD3DManager->SetShaderMode(DeviceManagerD3D9::RGBALAYER);
} else {
mD3DManager->SetShaderMode(DeviceManagerD3D9::RGBLAYER);
}
if (mFilter == gfxPattern::FILTER_NEAREST) {
device()->SetSamplerState(0, D3DSAMP_MAGFILTER, D3DTEXF_POINT);
device()->SetSamplerState(0, D3DSAMP_MINFILTER, D3DTEXF_POINT);
}
device()->SetTexture(0, cairoImage->GetOrCreateTexture());
device()->DrawPrimitive(D3DPT_TRIANGLESTRIP, 0, 2);
if (mFilter == gfxPattern::FILTER_NEAREST) {
device()->SetSamplerState(0, D3DSAMP_MAGFILTER, D3DTEXF_LINEAR);
device()->SetSamplerState(0, D3DSAMP_MINFILTER, D3DTEXF_LINEAR);
}
}
GetContainer()->NotifyPaintedImage(image);
}
PlanarYCbCrImageD3D9::PlanarYCbCrImageD3D9()
: PlanarYCbCrImage(static_cast<ImageD3D9*>(this))
, mBufferSize(0)
, mHasData(false)
{
}
void
PlanarYCbCrImageD3D9::SetData(const PlanarYCbCrImage::Data &aData)
{
mBuffer = CopyData(mData, mSize, mBufferSize, aData);
mHasData = true;
}
void
PlanarYCbCrImageD3D9::AllocateTextures(IDirect3DDevice9 *aDevice)
{
D3DLOCKED_RECT lockrectY;
D3DLOCKED_RECT lockrectCb;
D3DLOCKED_RECT lockrectCr;
PRUint8* src;
PRUint8* dest;
nsRefPtr<IDirect3DSurface9> tmpSurfaceY;
nsRefPtr<IDirect3DSurface9> tmpSurfaceCb;
nsRefPtr<IDirect3DSurface9> tmpSurfaceCr;
nsRefPtr<IDirect3DDevice9Ex> deviceEx;
aDevice->QueryInterface(IID_IDirect3DDevice9Ex,
getter_AddRefs(deviceEx));
bool isD3D9Ex = deviceEx;
if (isD3D9Ex) {
nsRefPtr<IDirect3DTexture9> tmpYTexture;
nsRefPtr<IDirect3DTexture9> tmpCbTexture;
nsRefPtr<IDirect3DTexture9> tmpCrTexture;
// D3D9Ex does not support the managed pool, could use dynamic textures
// here. But since an Image is immutable static textures are probably a
// better idea.
HRESULT hr;
hr = aDevice->CreateTexture(mData.mYSize.width, mData.mYSize.height,
1, 0, D3DFMT_L8, D3DPOOL_DEFAULT,
getter_AddRefs(mYTexture), NULL);
if (!FAILED(hr)) {
hr = aDevice->CreateTexture(mData.mCbCrSize.width, mData.mCbCrSize.height,
1, 0, D3DFMT_L8, D3DPOOL_DEFAULT,
getter_AddRefs(mCbTexture), NULL);
}
if (!FAILED(hr)) {
hr = aDevice->CreateTexture(mData.mCbCrSize.width, mData.mCbCrSize.height,
1, 0, D3DFMT_L8, D3DPOOL_DEFAULT,
getter_AddRefs(mCrTexture), NULL);
}
if (!FAILED(hr)) {
hr = aDevice->CreateTexture(mData.mYSize.width, mData.mYSize.height,
1, 0, D3DFMT_L8, D3DPOOL_SYSTEMMEM,
getter_AddRefs(tmpYTexture), NULL);
}
if (!FAILED(hr)) {
hr = aDevice->CreateTexture(mData.mCbCrSize.width, mData.mCbCrSize.height,
1, 0, D3DFMT_L8, D3DPOOL_SYSTEMMEM,
getter_AddRefs(tmpCbTexture), NULL);
}
if (!FAILED(hr)) {
hr = aDevice->CreateTexture(mData.mCbCrSize.width, mData.mCbCrSize.height,
1, 0, D3DFMT_L8, D3DPOOL_SYSTEMMEM,
getter_AddRefs(tmpCrTexture), NULL);
}
if (FAILED(hr)) {
mManager->ReportFailure(NS_LITERAL_CSTRING("PlanarYCbCrImageD3D9::AllocateTextures(): Failed to create texture (isD3D9Ex)"),
hr);
return;
}
tmpYTexture->GetSurfaceLevel(0, getter_AddRefs(tmpSurfaceY));
tmpCbTexture->GetSurfaceLevel(0, getter_AddRefs(tmpSurfaceCb));
tmpCrTexture->GetSurfaceLevel(0, getter_AddRefs(tmpSurfaceCr));
tmpSurfaceY->LockRect(&lockrectY, NULL, 0);
tmpSurfaceCb->LockRect(&lockrectCb, NULL, 0);
tmpSurfaceCr->LockRect(&lockrectCr, NULL, 0);
} else {
HRESULT hr;
hr = aDevice->CreateTexture(mData.mYSize.width, mData.mYSize.height,
1, 0, D3DFMT_L8, D3DPOOL_MANAGED,
getter_AddRefs(mYTexture), NULL);
if (!FAILED(hr)) {
aDevice->CreateTexture(mData.mCbCrSize.width, mData.mCbCrSize.height,
1, 0, D3DFMT_L8, D3DPOOL_MANAGED,
getter_AddRefs(mCbTexture), NULL);
}
if (!FAILED(hr)) {
aDevice->CreateTexture(mData.mCbCrSize.width, mData.mCbCrSize.height,
1, 0, D3DFMT_L8, D3DPOOL_MANAGED,
getter_AddRefs(mCrTexture), NULL);
}
if (FAILED(hr)) {
mManager->ReportFailure(NS_LITERAL_CSTRING("PlanarYCbCrImageD3D9::AllocateTextures(): Failed to create texture (!isD3D9Ex)"),
hr);
return;
}
/* lock the entire texture */
mYTexture->LockRect(0, &lockrectY, NULL, 0);
mCbTexture->LockRect(0, &lockrectCb, NULL, 0);
mCrTexture->LockRect(0, &lockrectCr, NULL, 0);
}
src = mData.mYChannel;
//FIX cast
dest = (PRUint8*)lockrectY.pBits;
// copy over data
for (int h=0; h<mData.mYSize.height; h++) {
memcpy(dest, src, mData.mYSize.width);
dest += lockrectY.Pitch;
src += mData.mYStride;
}
src = mData.mCbChannel;
//FIX cast
dest = (PRUint8*)lockrectCb.pBits;
// copy over data
for (int h=0; h<mData.mCbCrSize.height; h++) {
memcpy(dest, src, mData.mCbCrSize.width);
dest += lockrectCb.Pitch;
src += mData.mCbCrStride;
}
src = mData.mCrChannel;
//FIX cast
dest = (PRUint8*)lockrectCr.pBits;
// copy over data
for (int h=0; h<mData.mCbCrSize.height; h++) {
memcpy(dest, src, mData.mCbCrSize.width);
dest += lockrectCr.Pitch;
src += mData.mCbCrStride;
}
if (isD3D9Ex) {
tmpSurfaceY->UnlockRect();
tmpSurfaceCb->UnlockRect();
tmpSurfaceCr->UnlockRect();
nsRefPtr<IDirect3DSurface9> dstSurface;
mYTexture->GetSurfaceLevel(0, getter_AddRefs(dstSurface));
aDevice->UpdateSurface(tmpSurfaceY, NULL, dstSurface, NULL);
mCbTexture->GetSurfaceLevel(0, getter_AddRefs(dstSurface));
aDevice->UpdateSurface(tmpSurfaceCb, NULL, dstSurface, NULL);
mCrTexture->GetSurfaceLevel(0, getter_AddRefs(dstSurface));
aDevice->UpdateSurface(tmpSurfaceCr, NULL, dstSurface, NULL);
} else {
mYTexture->UnlockRect(0);
mCbTexture->UnlockRect(0);
mCrTexture->UnlockRect(0);
}
}
void
PlanarYCbCrImageD3D9::FreeTextures()
{
}
already_AddRefed<gfxASurface>
PlanarYCbCrImageD3D9::GetAsSurface()
{
nsRefPtr<gfxImageSurface> imageSurface =
new gfxImageSurface(mSize, gfxASurface::ImageFormatRGB24);
gfx::YUVType type =
gfx::TypeFromSize(mData.mYSize.width,
mData.mYSize.height,
mData.mCbCrSize.width,
mData.mCbCrSize.height);
// Convert from YCbCr to RGB now
gfx::ConvertYCbCrToRGB32(mData.mYChannel,
mData.mCbChannel,
mData.mCrChannel,
imageSurface->Data(),
mData.mPicX,
mData.mPicY,
mData.mPicSize.width,
mData.mPicSize.height,
mData.mYStride,
mData.mCbCrStride,
imageSurface->Stride(),
type);
return imageSurface.forget().get();
}
CairoImageD3D9::~CairoImageD3D9()
{
}
void
CairoImageD3D9::SetDevice(IDirect3DDevice9 *aDevice)
{
mTexture = NULL;
mDevice = aDevice;
}
void
CairoImageD3D9::SetData(const CairoImage::Data &aData)
{
mSize = aData.mSize;
mCachedSurface = aData.mSurface;
mTexture = NULL;
}
IDirect3DTexture9*
CairoImageD3D9::GetOrCreateTexture()
{
if (mTexture)
return mTexture;
mTexture = SurfaceToTexture(mDevice, mCachedSurface, mSize);
// We need to keep our cached surface around in case the device changes.
return mTexture;
}
already_AddRefed<gfxASurface>
CairoImageD3D9::GetAsSurface()
{
nsRefPtr<gfxASurface> surface = mCachedSurface;
return surface.forget();
}
ShadowImageLayerD3D9::ShadowImageLayerD3D9(LayerManagerD3D9* aManager)
: ShadowImageLayer(aManager, nsnull)
, LayerD3D9(aManager)
{
mImplData = static_cast<LayerD3D9*>(this);
}
ShadowImageLayerD3D9::~ShadowImageLayerD3D9()
{}
void
ShadowImageLayerD3D9::Swap(const SharedImage& aNewFront,
SharedImage* aNewBack)
{
if (aNewFront.type() == SharedImage::TSurfaceDescriptor) {
if (!mBuffer) {
mBuffer = new ShadowBufferD3D9(this);
}
nsRefPtr<gfxASurface> surf =
ShadowLayerForwarder::OpenDescriptor(aNewFront.get_SurfaceDescriptor());
mBuffer->Upload(surf, GetVisibleRegion().GetBounds());
} else {
const YUVImage& yuv = aNewFront.get_YUVImage();
nsRefPtr<gfxSharedImageSurface> surfY =
gfxSharedImageSurface::Open(yuv.Ydata());
nsRefPtr<gfxSharedImageSurface> surfU =
gfxSharedImageSurface::Open(yuv.Udata());
nsRefPtr<gfxSharedImageSurface> surfV =
gfxSharedImageSurface::Open(yuv.Vdata());
PlanarYCbCrImage::Data data;
data.mYChannel = surfY->Data();
data.mYStride = surfY->Stride();
data.mYSize = surfY->GetSize();
data.mCbChannel = surfU->Data();
data.mCrChannel = surfV->Data();
data.mCbCrStride = surfU->Stride();
data.mCbCrSize = surfU->GetSize();
data.mPicSize = surfY->GetSize();
data.mPicX = 0;
data.mPicY = 0;
if (!mYCbCrImage) {
mYCbCrImage = new PlanarYCbCrImageD3D9();
}
mYCbCrImage->SetData(data);
}
*aNewBack = aNewFront;
}
void
ShadowImageLayerD3D9::Disconnect()
{
Destroy();
}
void
ShadowImageLayerD3D9::Destroy()
{
mBuffer = nsnull;
mYCbCrImage = nsnull;
}
Layer*
ShadowImageLayerD3D9::GetLayer()
{
return this;
}
void
ShadowImageLayerD3D9::RenderLayer()
{
if (mBuffer) {
mBuffer->RenderTo(mD3DManager, GetEffectiveVisibleRegion());
} else if (mYCbCrImage) {
if (!mYCbCrImage->HasData()) {
return;
}
mYCbCrImage->AllocateTextures(device());
SetShaderTransformAndOpacity();
device()->SetVertexShaderConstantF(CBvLayerQuad,
ShaderConstantRect(0,
0,
mYCbCrImage->mSize.width,
mYCbCrImage->mSize.height),
1);
mD3DManager->SetShaderMode(DeviceManagerD3D9::YCBCRLAYER);
/*
* Send 3d control data and metadata
*/
if (mD3DManager->GetNv3DVUtils()) {
// TODO Add 3D support
}
// Linear scaling is default here, adhering to mFilter is difficult since
// presumably even with point filtering we'll still want chroma upsampling
// to be linear. In the current approach we can't.
device()->SetTexture(0, mYCbCrImage->mYTexture);
device()->SetTexture(1, mYCbCrImage->mCbTexture);
device()->SetTexture(2, mYCbCrImage->mCrTexture);
device()->DrawPrimitive(D3DPT_TRIANGLESTRIP, 0, 2);
} else {
NS_ERROR("Unexpected image format.");
}
}
} /* layers */
} /* mozilla */
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