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gecko/gfx/layers/d3d10/ImageLayerD3D10.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.com>
*
* 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 "ImageLayerD3D10.h"
#include "gfxImageSurface.h"
#include "yuv_convert.h"
namespace mozilla {
namespace layers {
using mozilla::MutexAutoLock;
ImageContainerD3D10::ImageContainerD3D10(LayerManagerD3D10 *aManager)
: ImageContainer(aManager)
, mActiveImageLock("mozilla.layers.ImageContainerD3D10.mActiveImageLock")
{
}
already_AddRefed<Image>
ImageContainerD3D10::CreateImage(const Image::Format *aFormats,
PRUint32 aNumFormats)
{
if (!aNumFormats) {
return nsnull;
}
nsRefPtr<Image> img;
if (aFormats[0] == Image::PLANAR_YCBCR) {
img = new PlanarYCbCrImageD3D10(static_cast<LayerManagerD3D10*>(mManager));
} else if (aFormats[0] == Image::CAIRO_SURFACE) {
img = new CairoImageD3D10(static_cast<LayerManagerD3D10*>(mManager));
}
return img.forget();
}
void
ImageContainerD3D10::SetCurrentImage(Image *aImage)
{
MutexAutoLock lock(mActiveImageLock);
mActiveImage = aImage;
}
already_AddRefed<Image>
ImageContainerD3D10::GetCurrentImage()
{
MutexAutoLock lock(mActiveImageLock);
nsRefPtr<Image> retval = mActiveImage;
return retval.forget();
}
already_AddRefed<gfxASurface>
ImageContainerD3D10::GetCurrentAsSurface(gfxIntSize *aSize)
{
MutexAutoLock lock(mActiveImageLock);
if (!mActiveImage) {
return nsnull;
}
if (mActiveImage->GetFormat() == Image::PLANAR_YCBCR) {
PlanarYCbCrImageD3D10 *yuvImage =
static_cast<PlanarYCbCrImageD3D10*>(mActiveImage.get());
if (yuvImage->HasData()) {
*aSize = yuvImage->mSize;
}
} else if (mActiveImage->GetFormat() == Image::CAIRO_SURFACE) {
CairoImageD3D10 *cairoImage =
static_cast<CairoImageD3D10*>(mActiveImage.get());
*aSize = cairoImage->mSize;
}
return static_cast<ImageD3D10*>(mActiveImage->GetImplData())->GetAsSurface();
}
gfxIntSize
ImageContainerD3D10::GetCurrentSize()
{
MutexAutoLock lock(mActiveImageLock);
if (!mActiveImage) {
return gfxIntSize(0,0);
}
if (mActiveImage->GetFormat() == Image::PLANAR_YCBCR) {
PlanarYCbCrImageD3D10 *yuvImage =
static_cast<PlanarYCbCrImageD3D10*>(mActiveImage.get());
if (!yuvImage->HasData()) {
return gfxIntSize(0,0);
}
return yuvImage->mSize;
} else if (mActiveImage->GetFormat() == Image::CAIRO_SURFACE) {
CairoImageD3D10 *cairoImage =
static_cast<CairoImageD3D10*>(mActiveImage.get());
return cairoImage->mSize;
}
return gfxIntSize(0,0);
}
PRBool
ImageContainerD3D10::SetLayerManager(LayerManager *aManager)
{
// we can't do anything here for now
return PR_FALSE;
}
Layer*
ImageLayerD3D10::GetLayer()
{
return this;
}
void
ImageLayerD3D10::RenderLayer(float aOpacity, const gfx3DMatrix &aTransform)
{
if (!GetContainer()) {
return;
}
nsRefPtr<Image> image = GetContainer()->GetCurrentImage();
gfx3DMatrix transform = mTransform * aTransform;
effect()->GetVariableByName("mLayerTransform")->SetRawValue(&transform._11, 0, 64);
effect()->GetVariableByName("fLayerOpacity")->AsScalar()->SetFloat(GetOpacity() * aOpacity);
ID3D10EffectTechnique *technique;
if (image->GetFormat() == Image::PLANAR_YCBCR) {
PlanarYCbCrImageD3D10 *yuvImage =
static_cast<PlanarYCbCrImageD3D10*>(image.get());
if (!yuvImage->HasData()) {
return;
}
// TODO: At some point we should try to deal with mFilter here, you don't
// really want to use point filtering in the case of NEAREST, since that
// would also use point filtering for Chroma upsampling. Where most likely
// the user would only want point filtering for final RGB image upsampling.
technique = effect()->GetTechniqueByName("RenderYCbCrLayer");
effect()->GetVariableByName("tY")->AsShaderResource()->SetResource(yuvImage->mYView);
effect()->GetVariableByName("tCb")->AsShaderResource()->SetResource(yuvImage->mCbView);
effect()->GetVariableByName("tCr")->AsShaderResource()->SetResource(yuvImage->mCrView);
effect()->GetVariableByName("vLayerQuad")->AsVector()->SetFloatVector(
ShaderConstantRectD3D10(
(float)0,
(float)0,
(float)yuvImage->mSize.width,
(float)yuvImage->mSize.height)
);
} else if (image->GetFormat() == Image::CAIRO_SURFACE) {
CairoImageD3D10 *cairoImage =
static_cast<CairoImageD3D10*>(image.get());
if (mFilter == gfxPattern::FILTER_NEAREST) {
technique = effect()->GetTechniqueByName("RenderRGBALayerPremulPoint");
} else {
technique = effect()->GetTechniqueByName("RenderRGBALayerPremul");
}
if (cairoImage->mSRView) {
effect()->GetVariableByName("tRGB")->AsShaderResource()->SetResource(cairoImage->mSRView);
}
effect()->GetVariableByName("vLayerQuad")->AsVector()->SetFloatVector(
ShaderConstantRectD3D10(
(float)0,
(float)0,
(float)cairoImage->mSize.width,
(float)cairoImage->mSize.height)
);
}
technique->GetPassByIndex(0)->Apply(0);
device()->Draw(4, 0);
}
PlanarYCbCrImageD3D10::PlanarYCbCrImageD3D10(mozilla::layers::LayerManagerD3D10* aManager)
: PlanarYCbCrImage(static_cast<ImageD3D10*>(this))
, mManager(aManager)
, mHasData(PR_FALSE)
{
}
void
PlanarYCbCrImageD3D10::SetData(const PlanarYCbCrImage::Data &aData)
{
// XXX - For D3D10Ex we really should just copy to systemmem surfaces here.
// For now, we copy the data
int width_shift = 0;
int height_shift = 0;
if (aData.mYSize.width == aData.mCbCrSize.width &&
aData.mYSize.height == aData.mCbCrSize.height) {
// YV24 format
width_shift = 0;
height_shift = 0;
mType = gfx::YV24;
} else if (aData.mYSize.width / 2 == aData.mCbCrSize.width &&
aData.mYSize.height == aData.mCbCrSize.height) {
// YV16 format
width_shift = 1;
height_shift = 0;
mType = gfx::YV16;
} else if (aData.mYSize.width / 2 == aData.mCbCrSize.width &&
aData.mYSize.height / 2 == aData.mCbCrSize.height ) {
// YV12 format
width_shift = 1;
height_shift = 1;
mType = gfx::YV12;
} else {
NS_ERROR("YCbCr format not supported");
}
mData = aData;
mData.mCbCrStride = mData.mCbCrSize.width = aData.mPicSize.width >> width_shift;
// Round up the values for width and height to make sure we sample enough data
// for the last pixel - See bug 590735
if (width_shift && (aData.mPicSize.width & 1)) {
mData.mCbCrStride++;
mData.mCbCrSize.width++;
}
mData.mCbCrSize.height = aData.mPicSize.height >> height_shift;
if (height_shift && (aData.mPicSize.height & 1)) {
mData.mCbCrSize.height++;
}
mData.mYSize = aData.mPicSize;
mData.mYStride = mData.mYSize.width;
mBuffer = new PRUint8[mData.mCbCrStride * mData.mCbCrSize.height * 2 +
mData.mYStride * mData.mYSize.height];
mData.mYChannel = mBuffer;
mData.mCbChannel = mData.mYChannel + mData.mYStride * mData.mYSize.height;
mData.mCrChannel = mData.mCbChannel + mData.mCbCrStride * mData.mCbCrSize.height;
int cbcr_x = aData.mPicX >> width_shift;
int cbcr_y = aData.mPicY >> height_shift;
for (int i = 0; i < mData.mYSize.height; i++) {
memcpy(mData.mYChannel + i * mData.mYStride,
aData.mYChannel + ((aData.mPicY + i) * aData.mYStride) + aData.mPicX,
mData.mYStride);
}
for (int i = 0; i < mData.mCbCrSize.height; i++) {
memcpy(mData.mCbChannel + i * mData.mCbCrStride,
aData.mCbChannel + ((cbcr_y + i) * aData.mCbCrStride) + cbcr_x,
mData.mCbCrStride);
}
for (int i = 0; i < mData.mCbCrSize.height; i++) {
memcpy(mData.mCrChannel + i * mData.mCbCrStride,
aData.mCrChannel + ((cbcr_y + i) * aData.mCbCrStride) + cbcr_x,
mData.mCbCrStride);
}
// Fix picture rect to be correct
mData.mPicX = mData.mPicY = 0;
mSize = aData.mPicSize;
AllocateTextures();
mHasData = PR_TRUE;
}
void
PlanarYCbCrImageD3D10::AllocateTextures()
{
D3D10_SUBRESOURCE_DATA dataY;
D3D10_SUBRESOURCE_DATA dataCb;
D3D10_SUBRESOURCE_DATA dataCr;
CD3D10_TEXTURE2D_DESC descY(DXGI_FORMAT_R8_UNORM,
mData.mYSize.width,
mData.mYSize.height, 1, 1);
CD3D10_TEXTURE2D_DESC descCbCr(DXGI_FORMAT_R8_UNORM,
mData.mCbCrSize.width,
mData.mCbCrSize.height, 1, 1);
descY.Usage = descCbCr.Usage = D3D10_USAGE_IMMUTABLE;
dataY.pSysMem = mData.mYChannel;
dataY.SysMemPitch = mData.mYStride;
dataCb.pSysMem = mData.mCbChannel;
dataCb.SysMemPitch = mData.mCbCrStride;
dataCr.pSysMem = mData.mCrChannel;
dataCr.SysMemPitch = mData.mCbCrStride;
mManager->device()->CreateTexture2D(&descY, &dataY, getter_AddRefs(mYTexture));
mManager->device()->CreateTexture2D(&descCbCr, &dataCb, getter_AddRefs(mCbTexture));
mManager->device()->CreateTexture2D(&descCbCr, &dataCr, getter_AddRefs(mCrTexture));
mManager->device()->CreateShaderResourceView(mYTexture, NULL, getter_AddRefs(mYView));
mManager->device()->CreateShaderResourceView(mCbTexture, NULL, getter_AddRefs(mCbView));
mManager->device()->CreateShaderResourceView(mCrTexture, NULL, getter_AddRefs(mCrView));
}
already_AddRefed<gfxASurface>
PlanarYCbCrImageD3D10::GetAsSurface()
{
nsRefPtr<gfxImageSurface> imageSurface =
new gfxImageSurface(mSize, gfxASurface::ImageFormatRGB24);
// Convert from YCbCr to RGB now
gfx::ConvertYCbCrToRGB32(mData.mYChannel,
mData.mCbChannel,
mData.mCrChannel,
imageSurface->Data(),
0,
0,
mSize.width,
mSize.height,
mData.mYStride,
mData.mCbCrStride,
imageSurface->Stride(),
mType);
return imageSurface.forget().get();
}
CairoImageD3D10::~CairoImageD3D10()
{
}
void
CairoImageD3D10::SetData(const CairoImage::Data &aData)
{
mSize = aData.mSize;
nsRefPtr<gfxImageSurface> imageSurface;
if (aData.mSurface->GetType() == gfxASurface::SurfaceTypeImage) {
imageSurface = static_cast<gfxImageSurface*>(aData.mSurface);
} else {
imageSurface = new gfxImageSurface(aData.mSize,
gfxASurface::ImageFormatARGB32);
nsRefPtr<gfxContext> context = new gfxContext(imageSurface);
context->SetSource(aData.mSurface);
context->SetOperator(gfxContext::OPERATOR_SOURCE);
context->Paint();
}
D3D10_SUBRESOURCE_DATA data;
CD3D10_TEXTURE2D_DESC desc(DXGI_FORMAT_B8G8R8A8_UNORM, mSize.width, mSize.height, 1, 1);
desc.Usage = D3D10_USAGE_IMMUTABLE;
data.pSysMem = imageSurface->Data();
data.SysMemPitch = imageSurface->Stride();
mManager->device()->CreateTexture2D(&desc, &data, getter_AddRefs(mTexture));
mManager->device()->CreateShaderResourceView(mTexture, NULL, getter_AddRefs(mSRView));
}
already_AddRefed<gfxASurface>
CairoImageD3D10::GetAsSurface()
{
return nsnull;
}
} /* layers */
} /* mozilla */
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