| /* |
| * Copyright 2020 Google LLC |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "src/gpu/GrSurfaceFillContext.h" |
| |
| #include "include/private/GrImageContext.h" |
| #include "src/gpu/GrDstProxyView.h" |
| #include "src/gpu/GrImageContextPriv.h" |
| #include "src/gpu/GrProxyProvider.h" |
| #include "src/gpu/GrSurfaceDrawContext.h" |
| #include "src/gpu/ops/GrClearOp.h" |
| #include "src/gpu/ops/GrFillRectOp.h" |
| |
| #define ASSERT_SINGLE_OWNER GR_ASSERT_SINGLE_OWNER(this->singleOwner()) |
| #define RETURN_IF_ABANDONED if (fContext->abandoned()) { return; } |
| |
| class AutoCheckFlush { |
| public: |
| AutoCheckFlush(GrDrawingManager* drawingManager) : fDrawingManager(drawingManager) { |
| SkASSERT(fDrawingManager); |
| } |
| ~AutoCheckFlush() { fDrawingManager->flushIfNecessary(); } |
| |
| private: |
| GrDrawingManager* fDrawingManager; |
| }; |
| |
| std::unique_ptr<GrSurfaceFillContext> GrSurfaceFillContext::Make(GrRecordingContext* context, |
| SkAlphaType alphaType, |
| sk_sp<SkColorSpace> colorSpace, |
| SkISize dimensions, |
| SkBackingFit fit, |
| const GrBackendFormat& format, |
| int sampleCount, |
| GrMipmapped mipmapped, |
| GrProtected isProtected, |
| GrSwizzle readSwizzle, |
| GrSwizzle writeSwizzle, |
| GrSurfaceOrigin origin, |
| SkBudgeted budgeted) { |
| SkASSERT(context); |
| SkASSERT(!dimensions.isEmpty()); |
| SkASSERT(sampleCount >= 1); |
| SkASSERT(format.isValid() && format.backend() == context->backend()); |
| if (alphaType == kPremul_SkAlphaType || alphaType == kOpaque_SkAlphaType) { |
| return GrSurfaceDrawContext::Make(context, |
| std::move(colorSpace), |
| fit, |
| dimensions, |
| format, |
| sampleCount, |
| mipmapped, |
| isProtected, |
| readSwizzle, |
| writeSwizzle, |
| origin, |
| budgeted, |
| SkSurfaceProps()); |
| } |
| |
| sk_sp<GrTextureProxy> proxy = context->priv().proxyProvider()->createProxy(format, |
| dimensions, |
| GrRenderable::kYes, |
| sampleCount, |
| mipmapped, |
| fit, |
| budgeted, |
| isProtected); |
| if (!proxy) { |
| return nullptr; |
| } |
| GrImageInfo info(GrColorType::kUnknown, alphaType, std::move(colorSpace), dimensions); |
| GrSurfaceProxyView readView( proxy, origin, readSwizzle); |
| GrSurfaceProxyView writeView(std::move(proxy), origin, writeSwizzle); |
| auto fillContext = std::make_unique<GrSurfaceFillContext>(context, |
| std::move(readView), |
| std::move(writeView), |
| info.colorInfo()); |
| fillContext->discard(); |
| return fillContext; |
| } |
| |
| std::unique_ptr<GrSurfaceFillContext> GrSurfaceFillContext::Make(GrRecordingContext* context, |
| GrImageInfo info, |
| SkBackingFit fit, |
| int sampleCount, |
| GrMipmapped mipmapped, |
| GrProtected isProtected, |
| GrSurfaceOrigin origin, |
| SkBudgeted budgeted) { |
| if (info.alphaType() == kPremul_SkAlphaType || info.alphaType() == kOpaque_SkAlphaType) { |
| return GrSurfaceDrawContext::Make(context, |
| info.colorType(), |
| info.refColorSpace(), |
| fit, |
| info.dimensions(), |
| SkSurfaceProps(), |
| sampleCount, |
| mipmapped, |
| isProtected, |
| origin, |
| budgeted); |
| } |
| GrBackendFormat format = context->priv().caps()->getDefaultBackendFormat(info.colorType(), |
| GrRenderable::kYes); |
| sk_sp<GrTextureProxy> proxy = context->priv().proxyProvider()->createProxy(format, |
| info.dimensions(), |
| GrRenderable::kYes, |
| sampleCount, |
| mipmapped, |
| fit, |
| budgeted, |
| isProtected); |
| if (!proxy) { |
| return nullptr; |
| } |
| GrSwizzle readSwizzle = context->priv().caps()->getReadSwizzle (format, info.colorType()); |
| GrSwizzle writeSwizzle = context->priv().caps()->getWriteSwizzle(format, info.colorType()); |
| |
| GrSurfaceProxyView readView( proxy, origin, readSwizzle); |
| GrSurfaceProxyView writeView(std::move(proxy), origin, writeSwizzle); |
| auto fillContext = std::make_unique<GrSurfaceFillContext>(context, |
| std::move(readView), |
| std::move(writeView), |
| info.colorInfo()); |
| fillContext->discard(); |
| return fillContext; |
| } |
| |
| std::unique_ptr<GrSurfaceFillContext> GrSurfaceFillContext::MakeWithFallback( |
| GrRecordingContext* rContext, |
| GrImageInfo info, |
| SkBackingFit fit, |
| int sampleCount, |
| GrMipmapped mipmapped, |
| GrProtected isProtected, |
| GrSurfaceOrigin origin, |
| SkBudgeted budgeted) { |
| if (info.alphaType() == kPremul_SkAlphaType || info.alphaType() == kOpaque_SkAlphaType) { |
| return GrSurfaceDrawContext::MakeWithFallback(rContext, |
| info.colorType(), |
| info.refColorSpace(), |
| fit, |
| info.dimensions(), |
| SkSurfaceProps(), |
| sampleCount, |
| mipmapped, |
| isProtected, |
| origin, |
| budgeted); |
| } |
| const GrCaps* caps = rContext->priv().caps(); |
| |
| auto [ct, _] = caps->getFallbackColorTypeAndFormat(info.colorType(), sampleCount); |
| if (ct == GrColorType::kUnknown) { |
| return nullptr; |
| } |
| info = info.makeColorType(ct); |
| return GrSurfaceFillContext::Make(rContext, |
| info, |
| fit, |
| sampleCount, |
| mipmapped, |
| isProtected, |
| origin, |
| budgeted); |
| } |
| |
| std::unique_ptr<GrSurfaceFillContext> GrSurfaceFillContext::MakeFromBackendTexture( |
| GrRecordingContext* context, |
| GrColorInfo info, |
| const GrBackendTexture& tex, |
| int sampleCount, |
| GrSurfaceOrigin origin, |
| sk_sp<GrRefCntedCallback> releaseHelper) { |
| SkASSERT(sampleCount > 0); |
| |
| if (info.alphaType() == kPremul_SkAlphaType || info.alphaType() == kOpaque_SkAlphaType) { |
| return GrSurfaceDrawContext::MakeFromBackendTexture(context, |
| info.colorType(), |
| info.refColorSpace(), |
| tex, |
| sampleCount, |
| origin, |
| SkSurfaceProps(), |
| std::move(releaseHelper)); |
| } |
| const GrBackendFormat& format = tex.getBackendFormat(); |
| GrSwizzle readSwizzle, writeSwizzle; |
| if (info.colorType() != GrColorType::kUnknown) { |
| if (!context->priv().caps()->areColorTypeAndFormatCompatible(info.colorType(), format)) { |
| return nullptr; |
| } |
| readSwizzle = context->priv().caps()->getReadSwizzle (format, info.colorType()); |
| writeSwizzle = context->priv().caps()->getWriteSwizzle(format, info.colorType()); |
| } |
| |
| sk_sp<GrTextureProxy> proxy(context->priv().proxyProvider()->wrapRenderableBackendTexture( |
| tex, sampleCount, kBorrow_GrWrapOwnership, GrWrapCacheable::kNo, |
| std::move(releaseHelper))); |
| if (!proxy) { |
| return nullptr; |
| } |
| |
| GrSurfaceProxyView readView( proxy, origin, readSwizzle); |
| GrSurfaceProxyView writeView(std::move(proxy), origin, writeSwizzle); |
| |
| return std::make_unique<GrSurfaceFillContext>(context, |
| std::move(readView), |
| std::move(writeView), |
| std::move(info)); |
| |
| } |
| |
| // In MDB mode the reffing of the 'getLastOpsTask' call's result allows in-progress |
| // GrOpsTask to be picked up and added to by GrSurfaceFillContext lower in the call |
| // stack. When this occurs with a closed GrOpsTask, a new one will be allocated |
| // when the GrSurfaceFillContext attempts to use it (via getOpsTask). |
| GrSurfaceFillContext::GrSurfaceFillContext(GrRecordingContext* context, |
| GrSurfaceProxyView readView, |
| GrSurfaceProxyView writeView, |
| const GrColorInfo& colorInfo, |
| bool flushTimeOpsTask) |
| : GrSurfaceContext(context, std::move(readView), std::move(colorInfo)) |
| , fWriteView(std::move(writeView)) |
| , fFlushTimeOpsTask(flushTimeOpsTask) { |
| fOpsTask = sk_ref_sp(context->priv().drawingManager()->getLastOpsTask(this->asSurfaceProxy())); |
| SkASSERT(this->asSurfaceProxy() == fWriteView.proxy()); |
| SkASSERT(this->origin() == fWriteView.origin()); |
| |
| SkDEBUGCODE(this->validate();) |
| } |
| |
| void GrSurfaceFillContext::fillRectWithFP(const SkIRect& dstRect, |
| std::unique_ptr<GrFragmentProcessor> fp) { |
| ASSERT_SINGLE_OWNER |
| RETURN_IF_ABANDONED |
| SkDEBUGCODE(this->validate();) |
| GR_CREATE_TRACE_MARKER_CONTEXT("GrSurfaceFillContext", "fillRectWithFP", fContext); |
| |
| AutoCheckFlush acf(this->drawingManager()); |
| |
| GrPaint paint; |
| paint.setColorFragmentProcessor(std::move(fp)); |
| paint.setPorterDuffXPFactory(SkBlendMode::kSrc); |
| auto op = GrFillRectOp::MakeNonAARect(fContext, std::move(paint), SkMatrix::I(), |
| SkRect::Make(dstRect)); |
| this->addDrawOp(std::move(op)); |
| } |
| |
| void GrSurfaceFillContext::addDrawOp(GrOp::Owner owner) { |
| GrDrawOp* op = static_cast<GrDrawOp*>(owner.get()); |
| GrClampType clampType = GrColorTypeClampType(this->colorInfo().colorType()); |
| auto clip = GrAppliedClip::Disabled(); |
| const GrCaps& caps = *this->caps(); |
| GrProcessorSet::Analysis analysis = op->finalize(caps, &clip, clampType); |
| SkASSERT(!op->usesStencil()); |
| SkASSERT(!analysis.requiresDstTexture()); |
| SkRect bounds = owner->bounds(); |
| // We shouldn't have coverage AA or hairline draws in fill contexts. |
| SkASSERT(!op->hasAABloat() && !op->hasZeroArea()); |
| if (!bounds.intersect(this->asSurfaceProxy()->getBoundsRect())) { |
| return; |
| } |
| op->setClippedBounds(op->bounds()); |
| SkDEBUGCODE(op->fAddDrawOpCalled = true;) |
| |
| GrDstProxyView dstProxyView; |
| this->getOpsTask()->addDrawOp(fContext->priv().drawingManager(), |
| std::move(owner), |
| op->usesMSAA(), |
| analysis, |
| std::move(clip), |
| dstProxyView, |
| GrTextureResolveManager(this->drawingManager()), |
| caps); |
| } |
| |
| void GrSurfaceFillContext::ClearToGrPaint(std::array<float, 4> color, GrPaint* paint) { |
| paint->setColor4f({color[0], color[1], color[2], color[3]}); |
| if (color[3] == 1.f) { |
| // Can just rely on the src-over blend mode to do the right thing. |
| // This may improve batching. |
| paint->setPorterDuffXPFactory(SkBlendMode::kSrcOver); |
| } else { |
| // A clear overwrites the prior color, so even if it's transparent, it behaves as if it |
| // were src blended |
| paint->setPorterDuffXPFactory(SkBlendMode::kSrc); |
| } |
| } |
| |
| void GrSurfaceFillContext::addOp(GrOp::Owner op) { |
| GrDrawingManager* drawingMgr = this->drawingManager(); |
| this->getOpsTask()->addOp(drawingMgr, |
| std::move(op), |
| GrTextureResolveManager(drawingMgr), |
| *this->caps()); |
| } |
| |
| GrOpsTask* GrSurfaceFillContext::getOpsTask() { |
| ASSERT_SINGLE_OWNER |
| SkDEBUGCODE(this->validate();) |
| |
| if (!fOpsTask || fOpsTask->isClosed()) { |
| this->replaceOpsTask(); |
| } |
| SkASSERT(!fOpsTask->isClosed()); |
| return fOpsTask.get(); |
| } |
| |
| GrOpsTask* GrSurfaceFillContext::replaceOpsTask() { |
| sk_sp<GrOpsTask> newOpsTask = this->drawingManager()->newOpsTask( |
| this->writeSurfaceView(), this->arenas(), fFlushTimeOpsTask); |
| this->willReplaceOpsTask(fOpsTask.get(), newOpsTask.get()); |
| fOpsTask = std::move(newOpsTask); |
| return fOpsTask.get(); |
| } |
| |
| #ifdef SK_DEBUG |
| void GrSurfaceFillContext::onValidate() const { |
| if (fOpsTask && !fOpsTask->isClosed()) { |
| SkASSERT(this->drawingManager()->getLastRenderTask(fWriteView.proxy()) == fOpsTask.get()); |
| } |
| } |
| #endif |
| |
| void GrSurfaceFillContext::discard() { |
| ASSERT_SINGLE_OWNER |
| RETURN_IF_ABANDONED |
| SkDEBUGCODE(this->validate();) |
| GR_CREATE_TRACE_MARKER_CONTEXT("GrSurfaceDrawContext", "discard", fContext); |
| |
| AutoCheckFlush acf(this->drawingManager()); |
| |
| this->getOpsTask()->discard(); |
| } |
| |
| void GrSurfaceFillContext::internalClear(const SkIRect* scissor, |
| std::array<float, 4> color, |
| bool upgradePartialToFull) { |
| ASSERT_SINGLE_OWNER |
| RETURN_IF_ABANDONED |
| SkDEBUGCODE(this->validate();) |
| GR_CREATE_TRACE_MARKER_CONTEXT("GrSurfaceDrawContext", "clear", fContext); |
| |
| // There are three ways clears are handled: load ops, native clears, and draws. Load ops are |
| // only for fullscreen clears; native clears can be fullscreen or with scissors if the backend |
| // supports then. Drawing an axis-aligned rect is the fallback path. |
| GrScissorState scissorState(this->asSurfaceProxy()->backingStoreDimensions()); |
| if (scissor && !scissorState.set(*scissor)) { |
| // The clear is offscreen, so skip it (normally this would be handled by addDrawOp, |
| // except clear ops are not draw ops). |
| return; |
| } |
| |
| // If we have a scissor but it's okay to clear beyond it for performance reasons, then disable |
| // the test. We only do this when the clear would be handled by a load op or natively. |
| if (scissorState.enabled() && !this->caps()->performColorClearsAsDraws()) { |
| if (upgradePartialToFull && (this->caps()->preferFullscreenClears() || |
| this->caps()->shouldInitializeTextures())) { |
| // TODO: wrt the shouldInitializeTextures path, it would be more performant to |
| // only clear the entire target if we knew it had not been cleared before. As |
| // is this could end up doing a lot of redundant clears. |
| scissorState.setDisabled(); |
| } else { |
| // Unlike with stencil clears, we also allow clears up to the logical dimensions of the |
| // render target to overflow into any approx-fit padding of the backing store dimensions |
| scissorState.relaxTest(this->dimensions()); |
| } |
| } |
| |
| if (!scissorState.enabled()) { |
| // This is a fullscreen clear, so could be handled as a load op. Regardless, we can also |
| // discard all prior ops in the current task since the color buffer will be overwritten. |
| GrOpsTask* opsTask = this->getOpsTask(); |
| if (opsTask->resetForFullscreenClear(this->canDiscardPreviousOpsOnFullClear()) && |
| !this->caps()->performColorClearsAsDraws()) { |
| color = this->writeSurfaceView().swizzle().applyTo(color); |
| // The op list was emptied and native clears are allowed, so just use the load op |
| opsTask->setColorLoadOp(GrLoadOp::kClear, color); |
| return; |
| } else { |
| // Will use an op for the clear, reset the load op to discard since the op will |
| // blow away the color buffer contents |
| opsTask->setColorLoadOp(GrLoadOp::kDiscard); |
| } |
| } |
| |
| // At this point we are either a partial clear or a fullscreen clear that couldn't be applied |
| // as a load op. |
| bool clearAsDraw = this->caps()->performColorClearsAsDraws() || |
| (scissorState.enabled() && this->caps()->performPartialClearsAsDraws()); |
| if (clearAsDraw) { |
| GrPaint paint; |
| ClearToGrPaint(color, &paint); |
| auto op = GrFillRectOp::MakeNonAARect(fContext, std::move(paint), SkMatrix::I(), |
| SkRect::Make(scissorState.rect())); |
| this->addDrawOp(std::move(op)); |
| } else { |
| color = this->writeSurfaceView().swizzle().applyTo(color); |
| this->addOp(GrClearOp::MakeColor(fContext, scissorState, color)); |
| } |
| } |
| |
| bool GrSurfaceFillContext::blitTexture(GrSurfaceProxyView view, |
| const SkIRect& srcRect, |
| const SkIPoint& dstPoint) { |
| SkASSERT(view.asTextureProxy()); |
| SkIRect clippedSrcRect; |
| SkIPoint clippedDstPoint; |
| if (!GrClipSrcRectAndDstPoint(this->dimensions(), |
| view.dimensions(), |
| srcRect, |
| dstPoint, |
| &clippedSrcRect, |
| &clippedDstPoint)) { |
| return false; |
| } |
| |
| auto fp = GrTextureEffect::Make(std::move(view), kUnknown_SkAlphaType); |
| auto dstRect = SkIRect::MakePtSize(clippedDstPoint, clippedSrcRect.size()); |
| auto srcRectF = SkRect::Make(clippedSrcRect); |
| this->fillRectToRectWithFP(srcRectF, dstRect, std::move(fp)); |
| return true; |
| } |