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Separate mask creation from drawing in draw_shape_with_mask_filter

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This starts pulling apart draw_shape_with_mask_filter so we can
share HW-generated blur masks with DDL recording threads.

Change-Id: I2ff3ed8557e979dce342f4dd0156112d47f8a6a7
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/322479
Reviewed-by: Adlai Holler <adlai@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
This commit is contained in:
Robert Phillips 2020-10-05 13:17:09 -04:00 committed by Skia Commit-Bot
parent 98ce8ae8ea
commit c3bdd1c597
1 changed files with 95 additions and 70 deletions
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155
src/gpu/GrBlurUtils.cpp
View File

@ -69,14 +69,12 @@ static void mask_release_proc(void* addr, void* /*context*/) {
SkMask::FreeImage(addr);
}
static bool sw_draw_with_mask_filter(GrRecordingContext* rContext,
GrRenderTargetContext* renderTargetContext,
const GrClip* clipData,
static GrSurfaceProxyView sw_create_filtered_mask(GrRecordingContext* rContext,
const SkMatrix& viewMatrix,
const GrStyledShape& shape,
const SkMaskFilter* filter,
const SkIRect& clipBounds,
GrPaint&& paint,
SkIRect* drawRect,
const GrUniqueKey& key) {
SkASSERT(filter);
SkASSERT(!shape.style().applies());
@ -85,15 +83,10 @@ static bool sw_draw_with_mask_filter(GrRecordingContext* rContext,
GrSurfaceProxyView filteredMaskView;
SkStrokeRec::InitStyle fillOrHairline = shape.style().isSimpleHairline()
? SkStrokeRec::kHairline_InitStyle
: SkStrokeRec::kFill_InitStyle;
if (key.isValid()) {
filteredMaskView = threadSafeViewCache->find(key);
}
SkIRect drawRect;
if (filteredMaskView) {
SkASSERT(kMaskOrigin == filteredMaskView.origin());
@ -104,21 +97,25 @@ static bool sw_draw_with_mask_filter(GrRecordingContext* rContext,
SkMask srcM, dstM;
if (!SkDraw::ComputeMaskBounds(devBounds, &clipBounds, filter, &viewMatrix,
&srcM.fBounds)) {
return false;
return {};
}
srcM.fFormat = SkMask::kA8_Format;
if (!as_MFB(filter)->filterMask(&dstM, srcM, viewMatrix, nullptr)) {
return false;
return {};
}
// Unfortunately, we cannot double check that the computed bounds (i.e., dstM.fBounds)
// match the stored bounds of the mask bc the proxy may have been recreated and,
// when it is recreated, it just gets the bounds of the underlying GrTexture (which
// might be a loose fit).
drawRect = dstM.fBounds;
*drawRect = dstM.fBounds;
} else {
SkStrokeRec::InitStyle fillOrHairline = shape.style().isSimpleHairline()
? SkStrokeRec::kHairline_InitStyle
: SkStrokeRec::kFill_InitStyle;
// TODO: it seems like we could create an SkDraw here and set its fMatrix field rather
// than explicitly transforming the path to device space.
SkPath devPath;
@ -130,20 +127,20 @@ static bool sw_draw_with_mask_filter(GrRecordingContext* rContext,
SkMask srcM, dstM;
if (!SkDraw::DrawToMask(devPath, &clipBounds, filter, &viewMatrix, &srcM,
SkMask::kComputeBoundsAndRenderImage_CreateMode, fillOrHairline)) {
return false;
return {};
}
SkAutoMaskFreeImage autoSrc(srcM.fImage);
SkASSERT(SkMask::kA8_Format == srcM.fFormat);
if (!as_MFB(filter)->filterMask(&dstM, srcM, viewMatrix, nullptr)) {
return false;
return {};
}
// this will free-up dstM when we're done (allocated in filterMask())
SkAutoMaskFreeImage autoDst(dstM.fImage);
if (clip_bounds_quick_reject(clipBounds, dstM.fBounds)) {
return false;
return {};
}
// we now have a device-aligned 8bit mask in dstM, ready to be drawn using
@ -151,27 +148,26 @@ static bool sw_draw_with_mask_filter(GrRecordingContext* rContext,
SkBitmap bm;
if (!bm.installPixels(SkImageInfo::MakeA8(dstM.fBounds.width(), dstM.fBounds.height()),
autoDst.release(), dstM.fRowBytes, mask_release_proc, nullptr)) {
return false;
return {};
}
bm.setImmutable();
GrBitmapTextureMaker maker(rContext, bm, SkBackingFit::kApprox);
filteredMaskView = maker.view(GrMipmapped::kNo);
if (!filteredMaskView.proxy()) {
return false;
return {};
}
SkASSERT(kMaskOrigin == filteredMaskView.origin());
drawRect = dstM.fBounds;
*drawRect = dstM.fBounds;
if (key.isValid()) {
filteredMaskView = threadSafeViewCache->add(key, filteredMaskView);
}
}
return draw_mask(renderTargetContext, clipData, viewMatrix, drawRect, std::move(paint),
std::move(filteredMaskView));
return filteredMaskView;
}
// Create a mask of 'shape' and return the resulting renderTargetContext
@ -345,7 +341,60 @@ static bool compute_key_and_clip_bounds(GrUniqueKey* maskKey,
return true;
}
static void draw_shape_with_mask_filter(GrRecordingContext* context,
static GrSurfaceProxyView hw_create_filtered_mask(GrRecordingContext* rContext,
GrRenderTargetContext* renderTargetContext,
const SkMatrix& viewMatrix,
const GrStyledShape& shape,
const SkMaskFilterBase* filter,
const SkIRect& unclippedDevShapeBounds,
const SkIRect& clipBounds,
SkIRect* maskRect,
const GrUniqueKey& key) {
GrSurfaceProxyView filteredMaskView;
if (filter->canFilterMaskGPU(shape,
unclippedDevShapeBounds,
clipBounds,
viewMatrix,
maskRect)) {
if (clip_bounds_quick_reject(clipBounds, *maskRect)) {
// clipped out
return {};
}
GrProxyProvider* proxyProvider = rContext->priv().proxyProvider();
// TODO: this path should also use the thread-safe proxy-view cache!
if (key.isValid()) {
filteredMaskView = find_filtered_mask(proxyProvider, key);
}
if (!filteredMaskView) {
std::unique_ptr<GrRenderTargetContext> maskRTC(create_mask_GPU(
rContext,
*maskRect,
viewMatrix,
shape,
renderTargetContext->numSamples()));
if (maskRTC) {
filteredMaskView = filter->filterMaskGPU(rContext,
maskRTC->readSurfaceView(),
maskRTC->colorInfo().colorType(),
maskRTC->colorInfo().alphaType(),
viewMatrix,
*maskRect);
if (filteredMaskView && key.isValid()) {
SkASSERT(filteredMaskView.asTextureProxy());
proxyProvider->assignUniqueKeyToProxy(key, filteredMaskView.asTextureProxy());
}
}
}
}
return filteredMaskView;
}
static void draw_shape_with_mask_filter(GrRecordingContext* rContext,
GrRenderTargetContext* renderTargetContext,
const GrClip* clip,
GrPaint&& paint,
@ -371,7 +420,7 @@ static void draw_shape_with_mask_filter(GrRecordingContext* context,
shape = tmpShape.get();
}
if (maskFilter->directFilterMaskGPU(context, renderTargetContext, std::move(paint), clip,
if (maskFilter->directFilterMaskGPU(rContext, renderTargetContext, std::move(paint), clip,
viewMatrix, *shape)) {
// the mask filter was able to draw itself directly, so there's nothing
// left to do.
@ -401,51 +450,17 @@ static void draw_shape_with_mask_filter(GrRecordingContext* context,
maskFilter, *shape,
unclippedDevShapeBounds,
devClipBounds)) {
return;
}
SkIRect maskRect;
if (maskFilter->canFilterMaskGPU(*shape,
unclippedDevShapeBounds,
boundsForClip,
viewMatrix,
&maskRect)) {
if (clip_bounds_quick_reject(boundsForClip, maskRect)) {
// clipped out
return;
return; // 'shape' was entirely clipped out
}
GrSurfaceProxyView filteredMaskView;
SkIRect maskRect;
GrProxyProvider* proxyProvider = context->priv().proxyProvider();
// TODO: this path should also use the thread-safe proxy-view cache!
if (maskKey.isValid()) {
filteredMaskView = find_filtered_mask(proxyProvider, maskKey);
}
if (!filteredMaskView) {
std::unique_ptr<GrRenderTargetContext> maskRTC(create_mask_GPU(
context,
maskRect,
viewMatrix,
*shape,
renderTargetContext->numSamples()));
if (maskRTC) {
filteredMaskView = maskFilter->filterMaskGPU(context,
maskRTC->readSurfaceView(),
maskRTC->colorInfo().colorType(),
maskRTC->colorInfo().alphaType(),
viewMatrix,
maskRect);
if (filteredMaskView.proxy() && maskKey.isValid()) {
SkASSERT(filteredMaskView.asTextureProxy());
proxyProvider->assignUniqueKeyToProxy(maskKey,
filteredMaskView.asTextureProxy());
}
}
}
if (rContext->asDirectContext()) {
filteredMaskView = hw_create_filtered_mask(rContext, renderTargetContext,
viewMatrix, *shape, maskFilter,
unclippedDevShapeBounds, boundsForClip,
&maskRect, maskKey);
if (filteredMaskView) {
if (draw_mask(renderTargetContext, clip, viewMatrix, maskRect, std::move(paint),
std::move(filteredMaskView))) {
@ -456,8 +471,18 @@ static void draw_shape_with_mask_filter(GrRecordingContext* context,
}
}
sw_draw_with_mask_filter(context, renderTargetContext, clip, viewMatrix, *shape,
maskFilter, boundsForClip, std::move(paint), maskKey);
// Either HW mask rendering failed or we're in a DDL recording thread
filteredMaskView = sw_create_filtered_mask(rContext,
viewMatrix, *shape, maskFilter,
boundsForClip,
&maskRect, maskKey);
if (filteredMaskView) {
if (draw_mask(renderTargetContext, clip, viewMatrix, maskRect, std::move(paint),
std::move(filteredMaskView))) {
return;
}
assert_alive(paint);
}
}
void GrBlurUtils::drawShapeWithMaskFilter(GrRecordingContext* context,