Make sure we use clear load op on GrOpsTask as often as possible.

With this change we are also removing the code in the Gr*OpsRenderPass which
will dynamically change the load op for given clear calls. The load is is
set at creation time.

Change-Id: I19f0f37bb38f790b11052953106e0492e6f9fc87
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/237425
Commit-Queue: Greg Daniel <egdaniel@google.com>
Reviewed-by: Michael Ludwig <michaelludwig@google.com>
This commit is contained in:
Greg Daniel 2019-08-27 13:12:33 -04:00 committed by Skia Commit-Bot
parent ea6fb83931
commit 674ee74e88
8 changed files with 47 additions and 79 deletions

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@ -386,7 +386,7 @@ static sk_sp<GrTextureProxy> decimate(GrRecordingContext* context,
// X convolution from reading garbage. // X convolution from reading garbage.
SkIRect clearRect = SkIRect::MakeXYWH(contentRect->fRight, contentRect->fTop, SkIRect clearRect = SkIRect::MakeXYWH(contentRect->fRight, contentRect->fTop,
radiusX, contentRect->height()); radiusX, contentRect->height());
dstRenderTargetContext->priv().absClear(&clearRect, SK_PMColor4fTRANSPARENT); dstRenderTargetContext->priv().absClear(&clearRect);
} }
} else { } else {
if (scaleFactorY > 1) { if (scaleFactorY > 1) {
@ -394,7 +394,7 @@ static sk_sp<GrTextureProxy> decimate(GrRecordingContext* context,
// convolution from reading garbage. // convolution from reading garbage.
SkIRect clearRect = SkIRect::MakeXYWH(contentRect->fLeft, contentRect->fBottom, SkIRect clearRect = SkIRect::MakeXYWH(contentRect->fLeft, contentRect->fBottom,
contentRect->width(), radiusY); contentRect->width(), radiusY);
dstRenderTargetContext->priv().absClear(&clearRect, SK_PMColor4fTRANSPARENT); dstRenderTargetContext->priv().absClear(&clearRect);
} }
} }
@ -421,9 +421,9 @@ static std::unique_ptr<GrRenderTargetContext> reexpand(
// TODO: it seems like we should actually be clamping here rather than darkening // TODO: it seems like we should actually be clamping here rather than darkening
// the bottom right edges. // the bottom right edges.
SkIRect clearRect = SkIRect::MakeXYWH(srcRect.fLeft, srcRect.fBottom, srcRect.width() + 1, 1); SkIRect clearRect = SkIRect::MakeXYWH(srcRect.fLeft, srcRect.fBottom, srcRect.width() + 1, 1);
srcRenderTargetContext->priv().absClear(&clearRect, SK_PMColor4fTRANSPARENT); srcRenderTargetContext->priv().absClear(&clearRect);
clearRect = SkIRect::MakeXYWH(srcRect.fRight, srcRect.fTop, 1, srcRect.height()); clearRect = SkIRect::MakeXYWH(srcRect.fRight, srcRect.fTop, 1, srcRect.height());
srcRenderTargetContext->priv().absClear(&clearRect, SK_PMColor4fTRANSPARENT); srcRenderTargetContext->priv().absClear(&clearRect);
sk_sp<GrTextureProxy> srcProxy = srcRenderTargetContext->asTextureProxyRef(); sk_sp<GrTextureProxy> srcProxy = srcRenderTargetContext->asTextureProxyRef();
if (!srcProxy) { if (!srcProxy) {
@ -554,7 +554,7 @@ std::unique_ptr<GrRenderTargetContext> GaussianBlur(GrRecordingContext* context,
// convolution from reading garbage. // convolution from reading garbage.
SkIRect clearRect = SkIRect::MakeXYWH(srcRect.fLeft, srcRect.fBottom, SkIRect clearRect = SkIRect::MakeXYWH(srcRect.fLeft, srcRect.fBottom,
srcRect.width(), radiusY); srcRect.width(), radiusY);
dstRenderTargetContext->priv().absClear(&clearRect, SK_PMColor4fTRANSPARENT); dstRenderTargetContext->priv().absClear(&clearRect);
} }
srcProxy = dstRenderTargetContext->asTextureProxyRef(); srcProxy = dstRenderTargetContext->asTextureProxyRef();

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@ -181,7 +181,7 @@ static sk_sp<GrTextureProxy> create_mask_GPU(GrRecordingContext* context,
return nullptr; return nullptr;
} }
rtContext->priv().absClear(nullptr, SK_PMColor4fTRANSPARENT); rtContext->priv().absClear(nullptr);
GrPaint maskPaint; GrPaint maskPaint;
maskPaint.setCoverageSetOpXPFactory(SkRegion::kReplace_Op); maskPaint.setCoverageSetOpXPFactory(SkRegion::kReplace_Op);

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@ -342,7 +342,7 @@ void GrRenderTargetContext::internalClear(const GrFixedClip& clip,
} }
} }
void GrRenderTargetContextPriv::absClear(const SkIRect* clearRect, const SkPMColor4f& color) { void GrRenderTargetContextPriv::absClear(const SkIRect* clearRect) {
ASSERT_SINGLE_OWNER_PRIV ASSERT_SINGLE_OWNER_PRIV
RETURN_IF_ABANDONED_PRIV RETURN_IF_ABANDONED_PRIV
SkDEBUGCODE(fRenderTargetContext->validate();) SkDEBUGCODE(fRenderTargetContext->validate();)
@ -364,6 +364,8 @@ void GrRenderTargetContextPriv::absClear(const SkIRect* clearRect, const SkPMCol
} }
} }
static const SkPMColor4f kColor = SK_PMColor4fTRANSPARENT;
// TODO: in a post-MDB world this should be handled at the OpsTask level. // TODO: in a post-MDB world this should be handled at the OpsTask level.
// This makes sure to always add an op to the list, instead of marking the clear as a load op. // This makes sure to always add an op to the list, instead of marking the clear as a load op.
// This code follows very similar logic to internalClear() below, but critical differences are // This code follows very similar logic to internalClear() below, but critical differences are
@ -371,7 +373,7 @@ void GrRenderTargetContextPriv::absClear(const SkIRect* clearRect, const SkPMCol
if (clearRect) { if (clearRect) {
if (fRenderTargetContext->caps()->performPartialClearsAsDraws()) { if (fRenderTargetContext->caps()->performPartialClearsAsDraws()) {
GrPaint paint; GrPaint paint;
clear_to_grpaint(color, &paint); clear_to_grpaint(kColor, &paint);
// Use the disabled clip; the rect geometry already matches the clear rectangle and // Use the disabled clip; the rect geometry already matches the clear rectangle and
// if it were added to a scissor, that would be intersected with the logical surface // if it were added to a scissor, that would be intersected with the logical surface
@ -385,31 +387,35 @@ void GrRenderTargetContextPriv::absClear(const SkIRect* clearRect, const SkPMCol
// proxy. The surface proxy variant would intersect the clip rect with its logical // proxy. The surface proxy variant would intersect the clip rect with its logical
// bounds, which is not desired in this special case. // bounds, which is not desired in this special case.
fRenderTargetContext->addOp(GrClearOp::Make( fRenderTargetContext->addOp(GrClearOp::Make(
fRenderTargetContext->fContext, rtRect, color, /* fullscreen */ false)); fRenderTargetContext->fContext, rtRect, kColor, /* fullscreen */ false));
} }
} else { } else {
// Reset the oplist like in internalClear(), but do not rely on a load op for the clear if (fRenderTargetContext->getOpsTask()->resetForFullscreenClear(
fRenderTargetContext->getOpsTask()->resetForFullscreenClear( fRenderTargetContext->canDiscardPreviousOpsOnFullClear()) &&
fRenderTargetContext->canDiscardPreviousOpsOnFullClear()); !fRenderTargetContext->caps()->performColorClearsAsDraws()) {
fRenderTargetContext->getOpsTask()->setColorLoadOp(GrLoadOp::kClear, kColor);
} else {
fRenderTargetContext->getOpsTask()->setColorLoadOp(GrLoadOp::kDiscard); fRenderTargetContext->getOpsTask()->setColorLoadOp(GrLoadOp::kDiscard);
if (fRenderTargetContext->caps()->performColorClearsAsDraws()) { if (fRenderTargetContext->caps()->performColorClearsAsDraws()) {
// This draws a quad covering the worst case dimensions instead of just the logical // This draws a quad covering the worst case dimensions instead of just the logical
// width and height like in internalClear(). // width and height like in internalClear().
GrPaint paint; GrPaint paint;
clear_to_grpaint(color, &paint); clear_to_grpaint(kColor, &paint);
fRenderTargetContext->addDrawOp( fRenderTargetContext->addDrawOp(
GrFixedClip::Disabled(), GrFixedClip::Disabled(),
GrFillRectOp::MakeNonAARect(fRenderTargetContext->fContext, std::move(paint), GrFillRectOp::MakeNonAARect(fRenderTargetContext->fContext,
SkMatrix::I(), SkRect::Make(rtRect))); std::move(paint), SkMatrix::I(),
SkRect::Make(rtRect)));
} else { } else {
// Nothing special about this path in absClear compared to internalClear() // Nothing special about this path in absClear compared to internalClear()
fRenderTargetContext->addOp(GrClearOp::Make( fRenderTargetContext->addOp(GrClearOp::Make(
fRenderTargetContext->fContext, SkIRect::MakeEmpty(), color, fRenderTargetContext->fContext, SkIRect::MakeEmpty(), kColor,
/* fullscreen */ true)); /* fullscreen */ true));
} }
} }
} }
}
void GrRenderTargetContext::drawPaint(const GrClip& clip, void GrRenderTargetContext::drawPaint(const GrClip& clip,
GrPaint&& paint, GrPaint&& paint,

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@ -57,10 +57,11 @@ public:
* upsampling. The "absClear" entry point ignores the content bounds but does use the * upsampling. The "absClear" entry point ignores the content bounds but does use the
* worst case (instantiated) bounds. * worst case (instantiated) bounds.
* *
* This call will always clear to transparent black.
*
* @param rect if (!null) the rect to clear, otherwise it is a full screen clear * @param rect if (!null) the rect to clear, otherwise it is a full screen clear
* @param color the color to clear to
*/ */
void absClear(const SkIRect* rect, const SkPMColor4f& color); void absClear(const SkIRect* rect);
// While this can take a general clip, since GrReducedClip relies on this function, it must take // While this can take a general clip, since GrReducedClip relies on this function, it must take
// care to only provide hard clips or we could get stuck in a loop. The general clip is needed // care to only provide hard clips or we could get stuck in a loop. The general clip is needed

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@ -144,7 +144,7 @@ GrOpsRenderPass* GrMtlGpu::getOpsRenderPass(
GrRenderTarget* renderTarget, GrSurfaceOrigin origin, const SkRect& bounds, GrRenderTarget* renderTarget, GrSurfaceOrigin origin, const SkRect& bounds,
const GrOpsRenderPass::LoadAndStoreInfo& colorInfo, const GrOpsRenderPass::LoadAndStoreInfo& colorInfo,
const GrOpsRenderPass::StencilLoadAndStoreInfo& stencilInfo) { const GrOpsRenderPass::StencilLoadAndStoreInfo& stencilInfo) {
return new GrMtlOpsRenderPass(this, renderTarget, origin, bounds, colorInfo, stencilInfo); return new GrMtlOpsRenderPass(this, renderTarget, origin, colorInfo, stencilInfo);
} }
void GrMtlGpu::submit(GrOpsRenderPass* renderPass) { void GrMtlGpu::submit(GrOpsRenderPass* renderPass) {

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@ -23,7 +23,6 @@ class GrMtlRenderTarget;
class GrMtlOpsRenderPass : public GrOpsRenderPass, private GrMesh::SendToGpuImpl { class GrMtlOpsRenderPass : public GrOpsRenderPass, private GrMesh::SendToGpuImpl {
public: public:
GrMtlOpsRenderPass(GrMtlGpu* gpu, GrRenderTarget* rt, GrSurfaceOrigin origin, GrMtlOpsRenderPass(GrMtlGpu* gpu, GrRenderTarget* rt, GrSurfaceOrigin origin,
const SkRect& bounds,
const GrOpsRenderPass::LoadAndStoreInfo& colorInfo, const GrOpsRenderPass::LoadAndStoreInfo& colorInfo,
const GrOpsRenderPass::StencilLoadAndStoreInfo& stencilInfo); const GrOpsRenderPass::StencilLoadAndStoreInfo& stencilInfo);
@ -94,10 +93,6 @@ private:
void precreateCmdEncoder(); void precreateCmdEncoder();
GrMtlGpu* fGpu; GrMtlGpu* fGpu;
// GrRenderTargetProxy bounds
#ifdef SK_DEBUG
SkRect fRTBounds;
#endif
id<MTLRenderCommandEncoder> fActiveRenderCmdEncoder; id<MTLRenderCommandEncoder> fActiveRenderCmdEncoder;
MTLRenderPassDescriptor* fRenderPassDesc; MTLRenderPassDescriptor* fRenderPassDesc;

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@ -22,14 +22,11 @@
#endif #endif
GrMtlOpsRenderPass::GrMtlOpsRenderPass( GrMtlOpsRenderPass::GrMtlOpsRenderPass(
GrMtlGpu* gpu, GrRenderTarget* rt, GrSurfaceOrigin origin, const SkRect& bounds, GrMtlGpu* gpu, GrRenderTarget* rt, GrSurfaceOrigin origin,
const GrOpsRenderPass::LoadAndStoreInfo& colorInfo, const GrOpsRenderPass::LoadAndStoreInfo& colorInfo,
const GrOpsRenderPass::StencilLoadAndStoreInfo& stencilInfo) const GrOpsRenderPass::StencilLoadAndStoreInfo& stencilInfo)
: INHERITED(rt, origin) : INHERITED(rt, origin)
, fGpu(gpu) , fGpu(gpu)
#ifdef SK_DEBUG
, fRTBounds(bounds)
#endif
{ {
this->setupRenderPass(colorInfo, stencilInfo); this->setupRenderPass(colorInfo, stencilInfo);
} }
@ -196,14 +193,10 @@ void GrMtlOpsRenderPass::onDraw(const GrPrimitiveProcessor& primProc,
} }
void GrMtlOpsRenderPass::onClear(const GrFixedClip& clip, const SkPMColor4f& color) { void GrMtlOpsRenderPass::onClear(const GrFixedClip& clip, const SkPMColor4f& color) {
// if we end up here from absClear, the clear bounds may be bigger than the RT proxy bounds - // We should never end up here since all clears should either be done as draws or load ops in
// but in that case, scissor should be enabled, so this check should still succeed // metal. If we hit this assert then we missed a chance to set a load op on the
SkASSERT(!clip.scissorEnabled() || clip.scissorRect().contains(fRTBounds)); // GrRenderTargetContext level.
fRenderPassDesc.colorAttachments[0].clearColor = MTLClearColorMake(color.fR, color.fG, color.fB, SkASSERT(false);
color.fA);
fRenderPassDesc.colorAttachments[0].loadAction = MTLLoadActionClear;
this->precreateCmdEncoder();
fRenderPassDesc.colorAttachments[0].loadAction = MTLLoadActionLoad;
} }
void GrMtlOpsRenderPass::onClearStencilClip(const GrFixedClip& clip, bool insideStencilMask) { void GrMtlOpsRenderPass::onClearStencilClip(const GrFixedClip& clip, bool insideStencilMask) {

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@ -376,8 +376,6 @@ void GrVkOpsRenderPass::onClearStencilClip(const GrFixedClip& clip, bool insideS
} }
void GrVkOpsRenderPass::onClear(const GrFixedClip& clip, const SkPMColor4f& color) { void GrVkOpsRenderPass::onClear(const GrFixedClip& clip, const SkPMColor4f& color) {
GrVkRenderTarget* vkRT = static_cast<GrVkRenderTarget*>(fRenderTarget);
// parent class should never let us get here with no RT // parent class should never let us get here with no RT
SkASSERT(!clip.hasWindowRectangles()); SkASSERT(!clip.hasWindowRectangles());
@ -385,36 +383,11 @@ void GrVkOpsRenderPass::onClear(const GrFixedClip& clip, const SkPMColor4f& colo
VkClearColorValue vkColor = {{color.fR, color.fG, color.fB, color.fA}}; VkClearColorValue vkColor = {{color.fR, color.fG, color.fB, color.fA}};
if (cbInfo.fIsEmpty && !clip.scissorEnabled()) { // If we end up in a situation where we are calling clear without a scissior then in general it
// Change the render pass to do a clear load // means we missed an opportunity higher up the stack to set the load op to be a clear. However,
GrVkRenderPass::LoadStoreOps vkColorOps(VK_ATTACHMENT_LOAD_OP_CLEAR, // there are situations where higher up we couldn't discard the previous ops and set a clear
VK_ATTACHMENT_STORE_OP_STORE); // load op (e.g. if we needed to execute a wait op). Thus we also have the empty check here.
// Preserve the stencil buffer's load & store settings SkASSERT(!cbInfo.fIsEmpty || clip.scissorEnabled());
GrVkRenderPass::LoadStoreOps vkStencilOps(fVkStencilLoadOp, fVkStencilStoreOp);
const GrVkRenderPass* oldRP = cbInfo.fRenderPass;
const GrVkResourceProvider::CompatibleRPHandle& rpHandle =
vkRT->compatibleRenderPassHandle();
if (rpHandle.isValid()) {
cbInfo.fRenderPass = fGpu->resourceProvider().findRenderPass(rpHandle,
vkColorOps,
vkStencilOps);
} else {
cbInfo.fRenderPass = fGpu->resourceProvider().findRenderPass(*vkRT,
vkColorOps,
vkStencilOps);
}
SkASSERT(cbInfo.fRenderPass->isCompatible(*oldRP));
oldRP->unref(fGpu);
cbInfo.fColorClearValue.color = {{color.fR, color.fG, color.fB, color.fA}};
cbInfo.fLoadStoreState = LoadStoreState::kStartsWithClear;
// Update command buffer bounds
cbInfo.fBounds.join(fRenderTarget->getBoundsRect());
return;
}
// We always do a sub rect clear with clearAttachments since we are inside a render pass // We always do a sub rect clear with clearAttachments since we are inside a render pass
VkClearRect clearRect; VkClearRect clearRect;