void
TiledContentHost::RenderTile(const TileHost& aTile,
const gfxRGBA* aBackgroundColor,
EffectChain& aEffectChain,
float aOpacity,
const gfx::Matrix4x4& aTransform,
const gfx::Filter& aFilter,
const gfx::Rect& aClipRect,
const nsIntRegion& aScreenRegion,
const nsIntPoint& aTextureOffset,
const nsIntSize& aTextureBounds)
{
if (aTile.IsPlaceholderTile()) {
// This shouldn't ever happen, but let's fail semi-gracefully. No need
// to warn, the texture update would have already caught this.
return;
}
if (aBackgroundColor) {
aEffectChain.mPrimaryEffect = new EffectSolidColor(ToColor(*aBackgroundColor));
nsIntRegionRectIterator it(aScreenRegion);
for (const nsIntRect* rect = it.Next(); rect != nullptr; rect = it.Next()) {
Rect graphicsRect(rect->x, rect->y, rect->width, rect->height);
mCompositor->DrawQuad(graphicsRect, aClipRect, aEffectChain, 1.0, aTransform);
}
}
AutoLockTextureHost autoLock(aTile.mTextureHost);
AutoLockTextureHost autoLockOnWhite(aTile.mTextureHostOnWhite);
if (autoLock.Failed() ||
autoLockOnWhite.Failed()) {
NS_WARNING("Failed to lock tile");
return;
}
RefPtr<TextureSource> source = aTile.mTextureHost->GetTextureSources();
RefPtr<TextureSource> sourceOnWhite =
aTile.mTextureHostOnWhite ? aTile.mTextureHostOnWhite->GetTextureSources() : nullptr;
if (!source || (aTile.mTextureHostOnWhite && !sourceOnWhite)) {
return;
}
RefPtr<TexturedEffect> effect = CreateTexturedEffect(source, sourceOnWhite, aFilter, true);
if (!effect) {
return;
}
aEffectChain.mPrimaryEffect = effect;
nsIntRegionRectIterator it(aScreenRegion);
for (const nsIntRect* rect = it.Next(); rect != nullptr; rect = it.Next()) {
Rect graphicsRect(rect->x, rect->y, rect->width, rect->height);
Rect textureRect(rect->x - aTextureOffset.x, rect->y - aTextureOffset.y,
rect->width, rect->height);
effect->mTextureCoords = Rect(textureRect.x / aTextureBounds.width,
textureRect.y / aTextureBounds.height,
textureRect.width / aTextureBounds.width,
textureRect.height / aTextureBounds.height);
mCompositor->DrawQuad(graphicsRect, aClipRect, aEffectChain, aOpacity, aTransform);
}
mCompositor->DrawDiagnostics(DiagnosticFlags::CONTENT | DiagnosticFlags::TILE,
aScreenRegion, aClipRect, aTransform, mFlashCounter);
}
void
TiledContentHost::RenderTile(TileHost& aTile,
EffectChain& aEffectChain,
float aOpacity,
const gfx::Matrix4x4& aTransform,
const gfx::Filter& aFilter,
const gfx::Rect& aClipRect,
const nsIntRegion& aScreenRegion,
const IntPoint& aTextureOffset,
const IntSize& aTextureBounds,
const gfx::Rect& aVisibleRect)
{
MOZ_ASSERT(!aTile.IsPlaceholderTile());
AutoLockTextureHost autoLock(aTile.mTextureHost);
AutoLockTextureHost autoLockOnWhite(aTile.mTextureHostOnWhite);
if (autoLock.Failed() ||
autoLockOnWhite.Failed()) {
NS_WARNING("Failed to lock tile");
return;
}
if (!aTile.mTextureHost->BindTextureSource(aTile.mTextureSource)) {
return;
}
if (aTile.mTextureHostOnWhite && !aTile.mTextureHostOnWhite->BindTextureSource(aTile.mTextureSourceOnWhite)) {
return;
}
RefPtr<TexturedEffect> effect =
CreateTexturedEffect(aTile.mTextureSource,
aTile.mTextureSourceOnWhite,
aFilter,
true,
aTile.mTextureHost->GetRenderState());
if (!effect) {
return;
}
aEffectChain.mPrimaryEffect = effect;
nsIntRegionRectIterator it(aScreenRegion);
for (const IntRect* rect = it.Next(); rect != nullptr; rect = it.Next()) {
Rect graphicsRect(rect->x, rect->y, rect->width, rect->height);
Rect textureRect(rect->x - aTextureOffset.x, rect->y - aTextureOffset.y,
rect->width, rect->height);
effect->mTextureCoords = Rect(textureRect.x / aTextureBounds.width,
textureRect.y / aTextureBounds.height,
textureRect.width / aTextureBounds.width,
textureRect.height / aTextureBounds.height);
mCompositor->DrawQuad(graphicsRect, aClipRect, aEffectChain, aOpacity, aTransform, aVisibleRect);
}
DiagnosticFlags flags = DiagnosticFlags::CONTENT | DiagnosticFlags::TILE;
if (aTile.mTextureHostOnWhite) {
flags |= DiagnosticFlags::COMPONENT_ALPHA;
}
mCompositor->DrawDiagnostics(flags,
aScreenRegion, aClipRect, aTransform, mFlashCounter);
}
