Maybe<wr::WrImageMask>
WebRenderImageLayer::RenderMaskLayer(const StackingContextHelper& aSc,
const gfx::Matrix4x4& aTransform)
{
if (!mContainer) {
return Nothing();
}
CompositableType type = GetImageClientType();
if (type == CompositableType::UNKNOWN) {
return Nothing();
}
MOZ_ASSERT(GetImageClientType() == CompositableType::IMAGE);
if (GetImageClientType() != CompositableType::IMAGE) {
return Nothing();
}
if (!mImageClient) {
mImageClient = ImageClient::CreateImageClient(CompositableType::IMAGE,
WrBridge(),
TextureFlags::DEFAULT);
if (!mImageClient) {
return Nothing();
}
mImageClient->Connect();
}
if (mExternalImageId.isNothing()) {
mExternalImageId = Some(WrBridge()->AllocExternalImageIdForCompositable(mImageClient));
}
AutoLockImage autoLock(mContainer);
Image* image = autoLock.GetImage();
if (!image) {
return Nothing();
}
MOZ_ASSERT(mImageClient->AsImageClientSingle());
mKey = UpdateImageKey(mImageClient->AsImageClientSingle(),
mContainer,
mKey,
mExternalImageId.ref());
if (mKey.isNothing()) {
return Nothing();
}
gfx::IntSize size = image->GetSize();
wr::WrImageMask imageMask;
imageMask.image = mKey.value();
Rect maskRect = aTransform.TransformBounds(Rect(0, 0, size.width, size.height));
imageMask.rect = aSc.ToRelativeLayoutRect(ViewAs<LayerPixel>(maskRect));
imageMask.repeat = false;
return Some(imageMask);
}
gfx::IntRect
ComputeBackdropCopyRect(const gfx::Rect& aRect,
const gfx::IntRect& aClipRect,
const gfx::Matrix4x4& aTransform,
const gfx::IntRect& aRenderTargetRect,
gfx::Matrix4x4* aOutTransform,
gfx::Rect* aOutLayerQuad)
{
// Compute the clip.
IntPoint rtOffset = aRenderTargetRect.TopLeft();
IntSize rtSize = aRenderTargetRect.Size();
gfx::IntRect renderBounds(0, 0, rtSize.width, rtSize.height);
renderBounds.IntersectRect(renderBounds, aClipRect);
renderBounds.MoveBy(rtOffset);
// Apply the layer transform.
RectDouble dest = aTransform.TransformAndClipBounds(
RectDouble(aRect.x, aRect.y, aRect.width, aRect.height),
RectDouble(renderBounds.x, renderBounds.y, renderBounds.width, renderBounds.height));
dest -= rtOffset;
// Ensure we don't round out to -1, which trips up Direct3D.
dest.IntersectRect(dest, RectDouble(0, 0, rtSize.width, rtSize.height));
if (aOutLayerQuad) {
*aOutLayerQuad = Rect(dest.x, dest.y, dest.width, dest.height);
}
// Round out to integer.
IntRect result;
dest.RoundOut();
dest.ToIntRect(&result);
// Create a transform from adjusted clip space to render target space,
// translate it for the backdrop rect, then transform it into the backdrop's
// uv-space.
Matrix4x4 transform;
transform.PostScale(rtSize.width, rtSize.height, 1.0);
transform.PostTranslate(-result.x, -result.y, 0.0);
transform.PostScale(1 / float(result.width), 1 / float(result.height), 1.0);
*aOutTransform = transform;
return result;
}
gfx::IntRect
Compositor::ComputeBackdropCopyRect(const gfx::Rect& aRect,
const gfx::Rect& aClipRect,
const gfx::Matrix4x4& aTransform)
{
gfx::Rect renderBounds = mRenderBounds;
// Compute the clip.
gfx::IntPoint offset = GetCurrentRenderTarget()->GetOrigin();
renderBounds.IntersectRect(renderBounds, aClipRect);
renderBounds.MoveBy(offset);
// Apply the layer transform.
gfx::Rect dest = aTransform.TransformAndClipBounds(aRect, renderBounds);
dest -= offset;
// Round out to integer.
gfx::IntRect result;
dest.RoundOut();
dest.ToIntRect(&result);
return result;
}
void
TiledContentHost::RenderLayerBuffer(TiledLayerBufferComposite& aLayerBuffer,
const nsIntRegion& aValidRegion,
EffectChain& aEffectChain,
float aOpacity,
const gfx::Point& aOffset,
const gfx::Filter& aFilter,
const gfx::Rect& aClipRect,
const nsIntRegion& aMaskRegion,
nsIntRect aVisibleRect,
gfx::Matrix4x4 aTransform)
{
float resolution = aLayerBuffer.GetResolution();
gfxSize layerScale(1, 1);
// We assume that the current frame resolution is the one used in our primary
// layer buffer. Compensate for a changing frame resolution.
if (aLayerBuffer.GetFrameResolution() != mVideoMemoryTiledBuffer.GetFrameResolution()) {
const gfxSize& layerResolution = aLayerBuffer.GetFrameResolution();
const gfxSize& localResolution = mVideoMemoryTiledBuffer.GetFrameResolution();
layerScale.width = layerResolution.width / localResolution.width;
layerScale.height = layerResolution.height / localResolution.height;
aVisibleRect.ScaleRoundOut(layerScale.width, layerScale.height);
}
aTransform.Scale(1/(resolution * layerScale.width),
1/(resolution * layerScale.height), 1);
uint32_t rowCount = 0;
uint32_t tileX = 0;
for (int32_t x = aVisibleRect.x; x < aVisibleRect.x + aVisibleRect.width;) {
rowCount++;
int32_t tileStartX = aLayerBuffer.GetTileStart(x);
int32_t w = aLayerBuffer.GetScaledTileLength() - tileStartX;
if (x + w > aVisibleRect.x + aVisibleRect.width) {
w = aVisibleRect.x + aVisibleRect.width - x;
}
int tileY = 0;
for (int32_t y = aVisibleRect.y; y < aVisibleRect.y + aVisibleRect.height;) {
int32_t tileStartY = aLayerBuffer.GetTileStart(y);
int32_t h = aLayerBuffer.GetScaledTileLength() - tileStartY;
if (y + h > aVisibleRect.y + aVisibleRect.height) {
h = aVisibleRect.y + aVisibleRect.height - y;
}
TiledTexture tileTexture = aLayerBuffer.
GetTile(nsIntPoint(aLayerBuffer.RoundDownToTileEdge(x),
aLayerBuffer.RoundDownToTileEdge(y)));
if (tileTexture != aLayerBuffer.GetPlaceholderTile()) {
nsIntRegion tileDrawRegion;
tileDrawRegion.And(aValidRegion,
nsIntRect(x * layerScale.width,
y * layerScale.height,
w * layerScale.width,
h * layerScale.height));
tileDrawRegion.Sub(tileDrawRegion, aMaskRegion);
if (!tileDrawRegion.IsEmpty()) {
tileDrawRegion.ScaleRoundOut(resolution / layerScale.width,
resolution / layerScale.height);
nsIntPoint tileOffset((x - tileStartX) * resolution,
(y - tileStartY) * resolution);
uint32_t tileSize = aLayerBuffer.GetTileLength();
RenderTile(tileTexture, aEffectChain, aOpacity, aTransform, aOffset, aFilter, aClipRect, tileDrawRegion,
tileOffset, nsIntSize(tileSize, tileSize));
}
}
tileY++;
y += h;
}
tileX++;
x += w;
}
}
void
CompositorOGL::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);
MOZ_ASSERT(mVR.mInitialized);
if (aEffectChain.mSecondaryEffects[EffectTypes::MASK] ||
aEffectChain.mSecondaryEffects[EffectTypes::BLEND_MODE])
{
NS_WARNING("DrawVRDistortion: ignoring secondary effect!");
}
EffectVRDistortion* vrEffect =
static_cast<EffectVRDistortion*>(aEffectChain.mPrimaryEffect.get());
GLenum textureTarget = LOCAL_GL_TEXTURE_2D;
if (vrEffect->mRenderTarget)
textureTarget = mFBOTextureTarget;
RefPtr<CompositingRenderTargetOGL> surface =
static_cast<CompositingRenderTargetOGL*>(vrEffect->mRenderTarget.get());
VRHMDInfo* hmdInfo = vrEffect->mHMD;
VRDistortionConstants shaderConstants;
if (hmdInfo->GetConfiguration() != mVR.mConfiguration) {
for (uint32_t eye = 0; eye < 2; eye++) {
const gfx::VRDistortionMesh& mesh = hmdInfo->GetDistortionMesh(eye);
gl()->fBindBuffer(LOCAL_GL_ARRAY_BUFFER, mVR.mDistortionVertices[eye]);
gl()->fBufferData(LOCAL_GL_ARRAY_BUFFER,
mesh.mVertices.Length() * sizeof(gfx::VRDistortionVertex),
mesh.mVertices.Elements(),
LOCAL_GL_STATIC_DRAW);
gl()->fBindBuffer(LOCAL_GL_ELEMENT_ARRAY_BUFFER, mVR.mDistortionIndices[eye]);
gl()->fBufferData(LOCAL_GL_ELEMENT_ARRAY_BUFFER,
mesh.mIndices.Length() * sizeof(uint16_t),
mesh.mIndices.Elements(),
LOCAL_GL_STATIC_DRAW);
mVR.mDistortionIndexCount[eye] = mesh.mIndices.Length();
}
mVR.mConfiguration = hmdInfo->GetConfiguration();
}
int programIndex = textureTarget == LOCAL_GL_TEXTURE_2D ? 0 : 1;
gl()->fScissor(aClipRect.x, FlipY(aClipRect.y + aClipRect.height),
aClipRect.width, aClipRect.height);
// Clear out the entire area that we want to render; this ensures that
// the layer will be opaque, even though the mesh geometry we'll be
// drawing below won't cover the full rectangle.
gl()->fClearColor(0.0, 0.0, 0.0, 1.0);
gl()->fClear(LOCAL_GL_COLOR_BUFFER_BIT | LOCAL_GL_DEPTH_BUFFER_BIT);
// Make sure that the cached current program is reset for the
// rest of the compositor, since we're using a custom program here
ResetProgram();
gl()->fUseProgram(mVR.mDistortionProgram[programIndex]);
gl()->fEnableVertexAttribArray(mVR.mAPosition);
gl()->fEnableVertexAttribArray(mVR.mATexCoord0);
gl()->fEnableVertexAttribArray(mVR.mATexCoord1);
gl()->fEnableVertexAttribArray(mVR.mATexCoord2);
gl()->fEnableVertexAttribArray(mVR.mAGenericAttribs);
surface->BindTexture(LOCAL_GL_TEXTURE0, mFBOTextureTarget);
gl()->fUniform1i(mVR.mUTexture[programIndex], 0);
Rect destRect = aTransform.TransformBounds(aRect);
gfx::IntSize preDistortionSize = surface->GetInitSize(); // XXX source->GetSize()
gfx::Size vpSize = destRect.Size();
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);
float height = 1.0f;
float texScaleAndOffset[4] = { shaderConstants.eyeToSourceScaleAndOffset[0],
shaderConstants.eyeToSourceScaleAndOffset[1],
shaderConstants.eyeToSourceScaleAndOffset[2],
shaderConstants.eyeToSourceScaleAndOffset[3] };
if (textureTarget == LOCAL_GL_TEXTURE_RECTANGLE_ARB) {
texScaleAndOffset[0] *= preDistortionSize.width;
texScaleAndOffset[1] *= preDistortionSize.height;
texScaleAndOffset[2] *= preDistortionSize.width;
texScaleAndOffset[3] *= preDistortionSize.height;
height = preDistortionSize.height;
}
gl()->fUniform4fv(mVR.mUVRDestionatinScaleAndOffset[programIndex], 1, shaderConstants.destinationScaleAndOffset);
gl()->fUniform4fv(mVR.mUVREyeToSource[programIndex], 1, texScaleAndOffset);
gl()->fUniform1f(mVR.mUHeight[programIndex], height);
gl()->fBindBuffer(LOCAL_GL_ARRAY_BUFFER, mVR.mDistortionVertices[eye]);
/* This is for Oculus DistortionVertex */
gl()->fVertexAttribPointer(mVR.mAPosition, 2, LOCAL_GL_FLOAT, LOCAL_GL_FALSE, sizeof(gfx::VRDistortionVertex), (void*) (sizeof(float) * 0));
gl()->fVertexAttribPointer(mVR.mATexCoord0, 2, LOCAL_GL_FLOAT, LOCAL_GL_FALSE, sizeof(gfx::VRDistortionVertex), (void*) (sizeof(float) * 2));
gl()->fVertexAttribPointer(mVR.mATexCoord1, 2, LOCAL_GL_FLOAT, LOCAL_GL_FALSE, sizeof(gfx::VRDistortionVertex), (void*) (sizeof(float) * 4));
gl()->fVertexAttribPointer(mVR.mATexCoord2, 2, LOCAL_GL_FLOAT, LOCAL_GL_FALSE, sizeof(gfx::VRDistortionVertex), (void*) (sizeof(float) * 6));
gl()->fVertexAttribPointer(mVR.mAGenericAttribs, 4, LOCAL_GL_FLOAT, LOCAL_GL_FALSE, sizeof(gfx::VRDistortionVertex), (void*) (sizeof(float) * 8));
gl()->fBindBuffer(LOCAL_GL_ELEMENT_ARRAY_BUFFER, mVR.mDistortionIndices[eye]);
gl()->fDrawElements(LOCAL_GL_TRIANGLES, mVR.mDistortionIndexCount[eye], LOCAL_GL_UNSIGNED_SHORT, 0);
}
// Not clear if I should disable all of this; but going to do it and hope that
// any later code will enable what it needs.
gl()->fDisableVertexAttribArray(mVR.mAPosition);
gl()->fDisableVertexAttribArray(mVR.mATexCoord0);
gl()->fDisableVertexAttribArray(mVR.mATexCoord1);
gl()->fDisableVertexAttribArray(mVR.mATexCoord2);
gl()->fDisableVertexAttribArray(mVR.mAGenericAttribs);
}
void
BasicCompositor::DrawQuad(const gfx::Rect& aRect,
const gfx::Rect& aClipRect,
const EffectChain &aEffectChain,
gfx::Float aOpacity,
const gfx::Matrix4x4& aTransform,
const gfx::Rect& aVisibleRect)
{
RefPtr<DrawTarget> buffer = mRenderTarget->mDrawTarget;
// For 2D drawing, |dest| and |buffer| are the same surface. For 3D drawing,
// |dest| is a temporary surface.
RefPtr<DrawTarget> dest = buffer;
buffer->PushClipRect(aClipRect);
AutoRestoreTransform autoRestoreTransform(dest);
Matrix newTransform;
Rect transformBounds;
gfx3DMatrix new3DTransform;
IntPoint offset = mRenderTarget->GetOrigin();
if (aTransform.Is2D()) {
newTransform = aTransform.As2D();
} else {
// Create a temporary surface for the transform.
dest = gfxPlatform::GetPlatform()->CreateOffscreenContentDrawTarget(RoundOut(aRect).Size(), SurfaceFormat::B8G8R8A8);
if (!dest) {
return;
}
dest->SetTransform(Matrix::Translation(-aRect.x, -aRect.y));
// Get the bounds post-transform.
new3DTransform = To3DMatrix(aTransform);
gfxRect bounds = new3DTransform.TransformBounds(ThebesRect(aRect));
bounds.IntersectRect(bounds, gfxRect(offset.x, offset.y, buffer->GetSize().width, buffer->GetSize().height));
transformBounds = ToRect(bounds);
transformBounds.RoundOut();
// Propagate the coordinate offset to our 2D draw target.
newTransform = Matrix::Translation(transformBounds.x, transformBounds.y);
// When we apply the 3D transformation, we do it against a temporary
// surface, so undo the coordinate offset.
new3DTransform = gfx3DMatrix::Translation(aRect.x, aRect.y, 0) * new3DTransform;
}
newTransform.PostTranslate(-offset.x, -offset.y);
buffer->SetTransform(newTransform);
RefPtr<SourceSurface> sourceMask;
Matrix maskTransform;
if (aEffectChain.mSecondaryEffects[EffectTypes::MASK]) {
EffectMask *effectMask = static_cast<EffectMask*>(aEffectChain.mSecondaryEffects[EffectTypes::MASK].get());
sourceMask = effectMask->mMaskTexture->AsSourceBasic()->GetSurface(dest);
MOZ_ASSERT(effectMask->mMaskTransform.Is2D(), "How did we end up with a 3D transform here?!");
MOZ_ASSERT(!effectMask->mIs3D);
maskTransform = effectMask->mMaskTransform.As2D();
maskTransform.PreTranslate(-offset.x, -offset.y);
}
switch (aEffectChain.mPrimaryEffect->mType) {
case EffectTypes::SOLID_COLOR: {
EffectSolidColor* effectSolidColor =
static_cast<EffectSolidColor*>(aEffectChain.mPrimaryEffect.get());
FillRectWithMask(dest, aRect, effectSolidColor->mColor,
DrawOptions(aOpacity), sourceMask, &maskTransform);
break;
}
case EffectTypes::RGB: {
TexturedEffect* texturedEffect =
static_cast<TexturedEffect*>(aEffectChain.mPrimaryEffect.get());
TextureSourceBasic* source = texturedEffect->mTexture->AsSourceBasic();
if (texturedEffect->mPremultiplied) {
DrawSurfaceWithTextureCoords(dest, aRect,
source->GetSurface(dest),
texturedEffect->mTextureCoords,
texturedEffect->mFilter,
aOpacity, sourceMask, &maskTransform);
} else {
RefPtr<DataSourceSurface> srcData = source->GetSurface(dest)->GetDataSurface();
// Yes, we re-create the premultiplied data every time.
// This might be better with a cache, eventually.
RefPtr<DataSourceSurface> premultData = gfxUtils::CreatePremultipliedDataSurface(srcData);
DrawSurfaceWithTextureCoords(dest, aRect,
premultData,
texturedEffect->mTextureCoords,
texturedEffect->mFilter,
aOpacity, sourceMask, &maskTransform);
}
break;
}
case EffectTypes::YCBCR: {
NS_RUNTIMEABORT("Can't (easily) support component alpha with BasicCompositor!");
break;
}
case EffectTypes::RENDER_TARGET: {
EffectRenderTarget* effectRenderTarget =
static_cast<EffectRenderTarget*>(aEffectChain.mPrimaryEffect.get());
RefPtr<BasicCompositingRenderTarget> surface
= static_cast<BasicCompositingRenderTarget*>(effectRenderTarget->mRenderTarget.get());
RefPtr<SourceSurface> sourceSurf = surface->mDrawTarget->Snapshot();
DrawSurfaceWithTextureCoords(dest, aRect,
sourceSurf,
effectRenderTarget->mTextureCoords,
effectRenderTarget->mFilter,
aOpacity, sourceMask, &maskTransform);
break;
}
case EffectTypes::COMPONENT_ALPHA: {
NS_RUNTIMEABORT("Can't (easily) support component alpha with BasicCompositor!");
break;
}
default: {
NS_RUNTIMEABORT("Invalid effect type!");
break;
}
}
if (!aTransform.Is2D()) {
dest->Flush();
RefPtr<SourceSurface> snapshot = dest->Snapshot();
RefPtr<DataSourceSurface> source = snapshot->GetDataSurface();
RefPtr<DataSourceSurface> temp =
Factory::CreateDataSourceSurface(RoundOut(transformBounds).Size(), SurfaceFormat::B8G8R8A8
#ifdef MOZ_ENABLE_SKIA
, true
#endif
);
if (NS_WARN_IF(!temp)) {
buffer->PopClip();
return;
}
Transform(temp, source, new3DTransform, transformBounds.TopLeft());
transformBounds.MoveTo(0, 0);
buffer->DrawSurface(temp, transformBounds, transformBounds);
}
buffer->PopClip();
}
void
CompositorD3D11::DrawQuad(const gfx::Rect& aRect,
const gfx::Rect& aClipRect,
const EffectChain& aEffectChain,
gfx::Float aOpacity,
const gfx::Matrix4x4& aTransform)
{
MOZ_ASSERT(mCurrentRT, "No render target");
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;
scissor.left = aClipRect.x;
scissor.right = aClipRect.XMost();
scissor.top = aClipRect.y;
scissor.bottom = aClipRect.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
CompositorD3D9::DrawQuad(const gfx::Rect &aRect,
const gfx::Rect &aClipRect,
const EffectChain &aEffectChain,
gfx::Float aOpacity,
const gfx::Matrix4x4 &aTransform)
{
if (!mDeviceManager) {
return;
}
IDirect3DDevice9* d3d9Device = device();
MOZ_ASSERT(d3d9Device, "We should be able to get a device now");
MOZ_ASSERT(mCurrentRT, "No render target");
d3d9Device->SetVertexShaderConstantF(CBmLayerTransform, &aTransform._11, 4);
IntPoint origin = mCurrentRT->GetOrigin();
float renderTargetOffset[] = { origin.x, origin.y, 0, 0 };
d3d9Device->SetVertexShaderConstantF(CBvRenderTargetOffset,
renderTargetOffset,
1);
d3d9Device->SetVertexShaderConstantF(CBvLayerQuad,
ShaderConstantRect(aRect.x,
aRect.y,
aRect.width,
aRect.height),
1);
bool target = false;
if (aEffectChain.mPrimaryEffect->mType != EffectTypes::SOLID_COLOR) {
float opacity[4];
/*
* We always upload a 4 component float, but the shader will use only the
* first component since it's declared as a 'float'.
*/
opacity[0] = aOpacity;
d3d9Device->SetPixelShaderConstantF(CBfLayerOpacity, opacity, 1);
}
bool isPremultiplied = true;
MaskType maskType = MaskType::MaskNone;
if (aEffectChain.mSecondaryEffects[EffectTypes::MASK]) {
if (aTransform.Is2D()) {
maskType = MaskType::Mask2d;
} else {
maskType = MaskType::Mask3d;
}
}
RECT scissor;
scissor.left = aClipRect.x;
scissor.right = aClipRect.XMost();
scissor.top = aClipRect.y;
scissor.bottom = aClipRect.YMost();
d3d9Device->SetScissorRect(&scissor);
uint32_t maskTexture = 0;
switch (aEffectChain.mPrimaryEffect->mType) {
case EffectTypes::SOLID_COLOR:
{
// output color is premultiplied, so we need to adjust all channels.
Color layerColor =
static_cast<EffectSolidColor*>(aEffectChain.mPrimaryEffect.get())->mColor;
float color[4];
color[0] = layerColor.r * layerColor.a * aOpacity;
color[1] = layerColor.g * layerColor.a * aOpacity;
color[2] = layerColor.b * layerColor.a * aOpacity;
color[3] = layerColor.a * aOpacity;
d3d9Device->SetPixelShaderConstantF(CBvColor, color, 1);
maskTexture = mDeviceManager
->SetShaderMode(DeviceManagerD3D9::SOLIDCOLORLAYER, maskType);
}
break;
case EffectTypes::RENDER_TARGET:
case EffectTypes::RGB:
{
TexturedEffect* texturedEffect =
static_cast<TexturedEffect*>(aEffectChain.mPrimaryEffect.get());
Rect textureCoords = texturedEffect->mTextureCoords;
d3d9Device->SetVertexShaderConstantF(CBvTextureCoords,
ShaderConstantRect(
textureCoords.x,
textureCoords.y,
textureCoords.width,
textureCoords.height),
1);
SetSamplerForFilter(texturedEffect->mFilter);
TextureSourceD3D9* source = texturedEffect->mTexture->AsSourceD3D9();
d3d9Device->SetTexture(0, source->GetD3D9Texture());
maskTexture = mDeviceManager
->SetShaderMode(ShaderModeForEffectType(aEffectChain.mPrimaryEffect->mType,
texturedEffect->mTexture->GetFormat()),
maskType);
isPremultiplied = texturedEffect->mPremultiplied;
}
break;
case EffectTypes::YCBCR:
{
EffectYCbCr* ycbcrEffect =
static_cast<EffectYCbCr*>(aEffectChain.mPrimaryEffect.get());
SetSamplerForFilter(Filter::LINEAR);
Rect textureCoords = ycbcrEffect->mTextureCoords;
d3d9Device->SetVertexShaderConstantF(CBvTextureCoords,
ShaderConstantRect(
textureCoords.x,
textureCoords.y,
textureCoords.width,
textureCoords.height),
1);
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;
}
TextureSourceD3D9* sourceY = source->GetSubSource(Y)->AsSourceD3D9();
TextureSourceD3D9* sourceCb = source->GetSubSource(Cb)->AsSourceD3D9();
TextureSourceD3D9* sourceCr = source->GetSubSource(Cr)->AsSourceD3D9();
MOZ_ASSERT(sourceY->GetD3D9Texture());
MOZ_ASSERT(sourceCb->GetD3D9Texture());
MOZ_ASSERT(sourceCr->GetD3D9Texture());
/*
* Send 3d control data and metadata
*/
if (mDeviceManager->GetNv3DVUtils()) {
Nv_Stereo_Mode mode;
switch (source->AsSourceD3D9()->GetStereoMode()) {
case StereoMode::LEFT_RIGHT:
mode = NV_STEREO_MODE_LEFT_RIGHT;
break;
case StereoMode::RIGHT_LEFT:
mode = NV_STEREO_MODE_RIGHT_LEFT;
break;
case StereoMode::BOTTOM_TOP:
mode = NV_STEREO_MODE_BOTTOM_TOP;
break;
case StereoMode::TOP_BOTTOM:
mode = NV_STEREO_MODE_TOP_BOTTOM;
break;
case StereoMode::MONO:
mode = NV_STEREO_MODE_MONO;
break;
}
// Send control data even in mono case so driver knows to leave stereo mode.
mDeviceManager->GetNv3DVUtils()->SendNv3DVControl(mode, true, FIREFOX_3DV_APP_HANDLE);
if (source->AsSourceD3D9()->GetStereoMode() != StereoMode::MONO) {
mDeviceManager->GetNv3DVUtils()->SendNv3DVControl(mode, true, FIREFOX_3DV_APP_HANDLE);
nsRefPtr<IDirect3DSurface9> renderTarget;
d3d9Device->GetRenderTarget(0, getter_AddRefs(renderTarget));
mDeviceManager->GetNv3DVUtils()->SendNv3DVMetaData((unsigned int)aRect.width,
(unsigned int)aRect.height,
(HANDLE)(sourceY->GetD3D9Texture()),
(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(Y, sourceY->GetD3D9Texture());
device()->SetTexture(Cb, sourceCb->GetD3D9Texture());
device()->SetTexture(Cr, sourceCr->GetD3D9Texture());
maskTexture = mDeviceManager->SetShaderMode(DeviceManagerD3D9::YCBCRLAYER, maskType);
}
break;
case EffectTypes::COMPONENT_ALPHA:
{
MOZ_ASSERT(gfxPrefs::ComponentAlphaEnabled());
EffectComponentAlpha* effectComponentAlpha =
static_cast<EffectComponentAlpha*>(aEffectChain.mPrimaryEffect.get());
TextureSourceD3D9* sourceOnWhite = effectComponentAlpha->mOnWhite->AsSourceD3D9();
TextureSourceD3D9* sourceOnBlack = effectComponentAlpha->mOnBlack->AsSourceD3D9();
Rect textureCoords = effectComponentAlpha->mTextureCoords;
d3d9Device->SetVertexShaderConstantF(CBvTextureCoords,
ShaderConstantRect(
textureCoords.x,
textureCoords.y,
textureCoords.width,
textureCoords.height),
1);
SetSamplerForFilter(effectComponentAlpha->mFilter);
maskTexture = mDeviceManager->SetShaderMode(DeviceManagerD3D9::COMPONENTLAYERPASS1, maskType);
SetMask(aEffectChain, maskTexture);
d3d9Device->SetTexture(0, sourceOnBlack->GetD3D9Texture());
d3d9Device->SetTexture(1, sourceOnWhite->GetD3D9Texture());
d3d9Device->SetRenderState(D3DRS_SRCBLEND, D3DBLEND_ZERO);
d3d9Device->SetRenderState(D3DRS_DESTBLEND, D3DBLEND_INVSRCCOLOR);
d3d9Device->DrawPrimitive(D3DPT_TRIANGLESTRIP, 0, 2);
maskTexture = mDeviceManager->SetShaderMode(DeviceManagerD3D9::COMPONENTLAYERPASS2, maskType);
SetMask(aEffectChain, maskTexture);
d3d9Device->SetRenderState(D3DRS_SRCBLEND, D3DBLEND_ONE);
d3d9Device->SetRenderState(D3DRS_DESTBLEND, D3DBLEND_ONE);
d3d9Device->DrawPrimitive(D3DPT_TRIANGLESTRIP, 0, 2);
// Restore defaults
d3d9Device->SetRenderState(D3DRS_SRCBLEND, D3DBLEND_ONE);
d3d9Device->SetRenderState(D3DRS_DESTBLEND, D3DBLEND_INVSRCALPHA);
d3d9Device->SetTexture(1, nullptr);
}
return;
default:
NS_WARNING("Unknown shader type");
return;
}
SetMask(aEffectChain, maskTexture);
if (!isPremultiplied) {
d3d9Device->SetRenderState(D3DRS_SRCBLEND, D3DBLEND_SRCALPHA);
}
HRESULT hr = d3d9Device->DrawPrimitive(D3DPT_TRIANGLESTRIP, 0, 2);
if (!isPremultiplied) {
d3d9Device->SetRenderState(D3DRS_SRCBLEND, D3DBLEND_ONE);
}
}
void
CompositorD3D11::DrawQuad(const gfx::Rect& aRect,
const gfx::Rect& aClipRect,
const EffectChain& aEffectChain,
gfx::Float aOpacity,
const gfx::Matrix4x4& aTransform,
const gfx::Point& aOffset)
{
MOZ_ASSERT(mCurrentRT, "No render target");
memcpy(&mVSConstants.layerTransform, &aTransform._11, 64);
mVSConstants.renderTargetOffset[0] = aOffset.x;
mVSConstants.renderTargetOffset[1] = aOffset.y;
mVSConstants.layerQuad = aRect;
mPSConstants.layerOpacity[0] = aOpacity;
bool restoreBlendMode = false;
MaskType maskType = MaskNone;
if (aEffectChain.mSecondaryEffects[EFFECT_MASK]) {
if (aTransform.Is2D()) {
maskType = Mask2d;
} else {
MOZ_ASSERT(aEffectChain.mPrimaryEffect->mType == EFFECT_BGRA);
maskType = Mask3d;
}
EffectMask* maskEffect =
static_cast<EffectMask*>(aEffectChain.mSecondaryEffects[EFFECT_MASK].get());
TextureSourceD3D11* source = maskEffect->mMaskTexture->AsSourceD3D11();
RefPtr<ID3D11ShaderResourceView> view;
mDevice->CreateShaderResourceView(source->GetD3D11Texture(), nullptr, byRef(view));
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;
scissor.left = aClipRect.x;
scissor.right = aClipRect.XMost();
scissor.top = aClipRect.y;
scissor.bottom = aClipRect.YMost();
mContext->RSSetScissorRects(1, &scissor);
mContext->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLESTRIP);
mContext->VSSetShader(mAttachments->mVSQuadShader[maskType], nullptr, 0);
SetPSForEffect(aEffectChain.mPrimaryEffect, maskType);
switch (aEffectChain.mPrimaryEffect->mType) {
case EFFECT_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 EFFECT_BGRX:
case EFFECT_BGRA:
case EFFECT_RENDER_TARGET:
{
TexturedEffect* texturedEffect =
static_cast<TexturedEffect*>(aEffectChain.mPrimaryEffect.get());
mVSConstants.textureCoords = texturedEffect->mTextureCoords;
TextureSourceD3D11* source = texturedEffect->mTexture->AsSourceD3D11();
RefPtr<ID3D11ShaderResourceView> view;
mDevice->CreateShaderResourceView(source->GetD3D11Texture(), nullptr, byRef(view));
ID3D11ShaderResourceView* srView = view;
mContext->PSSetShaderResources(0, 1, &srView);
if (!texturedEffect->mPremultiplied) {
mContext->OMSetBlendState(mAttachments->mNonPremulBlendState, sBlendFactor, 0xFFFFFFFF);
restoreBlendMode = true;
}
SetSamplerForFilter(texturedEffect->mFilter);
}
break;
case EFFECT_YCBCR: {
EffectYCbCr* ycbcrEffect =
static_cast<EffectYCbCr*>(aEffectChain.mPrimaryEffect.get());
SetSamplerForFilter(FILTER_LINEAR);
mVSConstants.textureCoords = ycbcrEffect->mTextureCoords;
TextureSourceD3D11* source = ycbcrEffect->mTexture->AsSourceD3D11();
TextureSourceD3D11::YCbCrTextures textures = source->GetYCbCrTextures();
RefPtr<ID3D11ShaderResourceView> views[3];
mDevice->CreateShaderResourceView(textures.mY, nullptr, byRef(views[0]));
mDevice->CreateShaderResourceView(textures.mCb, nullptr, byRef(views[1]));
mDevice->CreateShaderResourceView(textures.mCr, nullptr, byRef(views[2]));
ID3D11ShaderResourceView* srViews[3] = { views[0], views[1], views[2] };
mContext->PSSetShaderResources(0, 3, srViews);
}
break;
case EFFECT_COMPONENT_ALPHA:
{
MOZ_ASSERT(gfxPlatform::ComponentAlphaEnabled());
EffectComponentAlpha* effectComponentAlpha =
static_cast<EffectComponentAlpha*>(aEffectChain.mPrimaryEffect.get());
TextureSourceD3D11* sourceOnWhite = effectComponentAlpha->mOnWhite->AsSourceD3D11();
TextureSourceD3D11* sourceOnBlack = effectComponentAlpha->mOnBlack->AsSourceD3D11();
SetSamplerForFilter(effectComponentAlpha->mFilter);
mVSConstants.textureCoords = effectComponentAlpha->mTextureCoords;
RefPtr<ID3D11ShaderResourceView> views[2];
mDevice->CreateShaderResourceView(sourceOnBlack->GetD3D11Texture(), nullptr, byRef(views[0]));
mDevice->CreateShaderResourceView(sourceOnWhite->GetD3D11Texture(), nullptr, byRef(views[1]));
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;
}
UpdateConstantBuffers();
mContext->Draw(4, 0);
if (restoreBlendMode) {
mContext->OMSetBlendState(mAttachments->mPremulBlendState, sBlendFactor, 0xFFFFFFFF);
}
}
void
TiledContentHost::RenderLayerBuffer(TiledLayerBufferComposite& aLayerBuffer,
const gfxRGBA* aBackgroundColor,
EffectChain& aEffectChain,
float aOpacity,
const gfx::Filter& aFilter,
const gfx::Rect& aClipRect,
nsIntRegion aVisibleRegion,
gfx::Matrix4x4 aTransform)
{
if (!mCompositor) {
NS_WARNING("Can't render tiled content host - no compositor");
return;
}
float resolution = aLayerBuffer.GetResolution();
gfx::Size layerScale(1, 1);
// We assume that the current frame resolution is the one used in our high
// precision layer buffer. Compensate for a changing frame resolution when
// rendering the low precision buffer.
if (aLayerBuffer.GetFrameResolution() != mTiledBuffer.GetFrameResolution()) {
const CSSToParentLayerScale& layerResolution = aLayerBuffer.GetFrameResolution();
const CSSToParentLayerScale& localResolution = mTiledBuffer.GetFrameResolution();
layerScale.width = layerScale.height = layerResolution.scale / localResolution.scale;
aVisibleRegion.ScaleRoundOut(layerScale.width, layerScale.height);
}
// If we're drawing the low precision buffer, make sure the high precision
// buffer is masked out to avoid overdraw and rendering artifacts with
// non-opaque layers.
nsIntRegion maskRegion;
if (resolution != mTiledBuffer.GetResolution()) {
maskRegion = mTiledBuffer.GetValidRegion();
// XXX This should be ScaleRoundIn, but there is no such function on
// nsIntRegion.
maskRegion.ScaleRoundOut(layerScale.width, layerScale.height);
}
// Make sure the resolution and difference in frame resolution are accounted
// for in the layer transform.
aTransform.PreScale(1/(resolution * layerScale.width),
1/(resolution * layerScale.height), 1);
uint32_t rowCount = 0;
uint32_t tileX = 0;
nsIntRect visibleRect = aVisibleRegion.GetBounds();
gfx::IntSize scaledTileSize = aLayerBuffer.GetScaledTileSize();
for (int32_t x = visibleRect.x; x < visibleRect.x + visibleRect.width;) {
rowCount++;
int32_t tileStartX = aLayerBuffer.GetTileStart(x, scaledTileSize.width);
int32_t w = scaledTileSize.width - tileStartX;
if (x + w > visibleRect.x + visibleRect.width) {
w = visibleRect.x + visibleRect.width - x;
}
int tileY = 0;
for (int32_t y = visibleRect.y; y < visibleRect.y + visibleRect.height;) {
int32_t tileStartY = aLayerBuffer.GetTileStart(y, scaledTileSize.height);
int32_t h = scaledTileSize.height - tileStartY;
if (y + h > visibleRect.y + visibleRect.height) {
h = visibleRect.y + visibleRect.height - y;
}
TileHost tileTexture = aLayerBuffer.
GetTile(nsIntPoint(aLayerBuffer.RoundDownToTileEdge(x, scaledTileSize.width),
aLayerBuffer.RoundDownToTileEdge(y, scaledTileSize.height)));
if (tileTexture != aLayerBuffer.GetPlaceholderTile()) {
nsIntRegion tileDrawRegion;
tileDrawRegion.And(nsIntRect(x, y, w, h), aLayerBuffer.GetValidRegion());
tileDrawRegion.And(tileDrawRegion, aVisibleRegion);
tileDrawRegion.Sub(tileDrawRegion, maskRegion);
if (!tileDrawRegion.IsEmpty()) {
tileDrawRegion.ScaleRoundOut(resolution, resolution);
nsIntPoint tileOffset((x - tileStartX) * resolution,
(y - tileStartY) * resolution);
gfx::IntSize tileSize = aLayerBuffer.GetTileSize();
RenderTile(tileTexture, aBackgroundColor, aEffectChain, aOpacity, aTransform,
aFilter, aClipRect, tileDrawRegion, tileOffset,
nsIntSize(tileSize.width, tileSize.height));
}
}
tileY++;
y += h;
}
tileX++;
x += w;
}
gfx::Rect rect(visibleRect.x, visibleRect.y,
visibleRect.width, visibleRect.height);
GetCompositor()->DrawDiagnostics(DiagnosticFlags::CONTENT,
rect, aClipRect, aTransform, mFlashCounter);
}
void
TiledContentHost::RenderLayerBuffer(TiledLayerBufferComposite& aLayerBuffer,
const gfxRGBA* aBackgroundColor,
EffectChain& aEffectChain,
float aOpacity,
const gfx::Filter& aFilter,
const gfx::Rect& aClipRect,
nsIntRegion aVisibleRegion,
gfx::Matrix4x4 aTransform)
{
if (!mCompositor) {
NS_WARNING("Can't render tiled content host - no compositor");
return;
}
float resolution = aLayerBuffer.GetResolution();
gfx::Size layerScale(1, 1);
// We assume that the current frame resolution is the one used in our high
// precision layer buffer. Compensate for a changing frame resolution when
// rendering the low precision buffer.
if (aLayerBuffer.GetFrameResolution() != mTiledBuffer.GetFrameResolution()) {
const CSSToParentLayerScale2D& layerResolution = aLayerBuffer.GetFrameResolution();
const CSSToParentLayerScale2D& localResolution = mTiledBuffer.GetFrameResolution();
layerScale.width = layerResolution.xScale / localResolution.xScale;
layerScale.height = layerResolution.yScale / localResolution.yScale;
aVisibleRegion.ScaleRoundOut(layerScale.width, layerScale.height);
}
// Make sure we don't render at low resolution where we have valid high
// resolution content, to avoid overdraw and artifacts with semi-transparent
// layers.
nsIntRegion maskRegion;
if (resolution != mTiledBuffer.GetResolution()) {
maskRegion = mTiledBuffer.GetValidRegion();
// XXX This should be ScaleRoundIn, but there is no such function on
// nsIntRegion.
maskRegion.ScaleRoundOut(layerScale.width, layerScale.height);
}
// Make sure the resolution and difference in frame resolution are accounted
// for in the layer transform.
aTransform.PreScale(1/(resolution * layerScale.width),
1/(resolution * layerScale.height), 1);
DiagnosticFlags componentAlphaDiagnostic = DiagnosticFlags::NO_DIAGNOSTIC;
nsIntRegion compositeRegion = aLayerBuffer.GetValidRegion();
compositeRegion.AndWith(aVisibleRegion);
compositeRegion.SubOut(maskRegion);
IntRect visibleRect = aVisibleRegion.GetBounds();
if (compositeRegion.IsEmpty()) {
return;
}
if (aBackgroundColor) {
nsIntRegion backgroundRegion = compositeRegion;
backgroundRegion.ScaleRoundOut(resolution, resolution);
EffectChain effect;
effect.mPrimaryEffect = new EffectSolidColor(ToColor(*aBackgroundColor));
nsIntRegionRectIterator it(backgroundRegion);
for (const IntRect* rect = it.Next(); rect != nullptr; rect = it.Next()) {
Rect graphicsRect(rect->x, rect->y, rect->width, rect->height);
mCompositor->DrawQuad(graphicsRect, aClipRect, effect, 1.0, aTransform);
}
}
for (size_t i = 0; i < aLayerBuffer.GetTileCount(); ++i) {
TileHost& tile = aLayerBuffer.GetTile(i);
if (tile.IsPlaceholderTile()) {
continue;
}
TileIntPoint tilePosition = aLayerBuffer.GetPlacement().TilePosition(i);
// A sanity check that catches a lot of mistakes.
MOZ_ASSERT(tilePosition.x == tile.mTilePosition.x && tilePosition.y == tile.mTilePosition.y);
IntPoint tileOffset = aLayerBuffer.GetTileOffset(tilePosition);
nsIntRegion tileDrawRegion = IntRect(tileOffset, aLayerBuffer.GetScaledTileSize());
tileDrawRegion.AndWith(compositeRegion);
if (tileDrawRegion.IsEmpty()) {
continue;
}
tileDrawRegion.ScaleRoundOut(resolution, resolution);
RenderTile(tile, aEffectChain, aOpacity,
aTransform, aFilter, aClipRect, tileDrawRegion,
tileOffset * resolution, aLayerBuffer.GetTileSize(),
gfx::Rect(visibleRect.x, visibleRect.y,
visibleRect.width, visibleRect.height));
if (tile.mTextureHostOnWhite) {
componentAlphaDiagnostic = DiagnosticFlags::COMPONENT_ALPHA;
}
}
gfx::Rect rect(visibleRect.x, visibleRect.y,
visibleRect.width, visibleRect.height);
GetCompositor()->DrawDiagnostics(DiagnosticFlags::CONTENT | componentAlphaDiagnostic,
rect, aClipRect, aTransform, mFlashCounter);
}
