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gerrit-public.fairphone.software / platform / external / skia / 6fc7e2142bcededdf67ef4b4f548afcf20287eee / . / src / gpu / GrRenderTargetContext.cpp
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/*
* Copyright 2015 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "src/gpu/GrRenderTargetContext.h"
#include "include/core/SkDrawable.h"
#include "include/gpu/GrBackendSemaphore.h"
#include "include/gpu/GrRenderTarget.h"
#include "include/private/GrAuditTrail.h"
#include "include/private/GrColor.h"
#include "include/private/GrOpList.h"
#include "include/private/GrRecordingContext.h"
#include "include/private/SkShadowFlags.h"
#include "include/utils/SkShadowUtils.h"
#include "src/core/SkAutoPixmapStorage.h"
#include "src/core/SkConvertPixels.h"
#include "src/core/SkDrawShadowInfo.h"
#include "src/core/SkGlyphRunPainter.h"
#include "src/core/SkLatticeIter.h"
#include "src/core/SkMatrixPriv.h"
#include "src/core/SkRRectPriv.h"
#include "src/core/SkSurfacePriv.h"
#include "src/gpu/GrAppliedClip.h"
#include "src/gpu/GrBlurUtils.h"
#include "src/gpu/GrCaps.h"
#include "src/gpu/GrContextPriv.h"
#include "src/gpu/GrDrawingManager.h"
#include "src/gpu/GrFixedClip.h"
#include "src/gpu/GrGpuResourcePriv.h"
#include "src/gpu/GrMemoryPool.h"
#include "src/gpu/GrPathRenderer.h"
#include "src/gpu/GrQuad.h"
#include "src/gpu/GrRecordingContextPriv.h"
#include "src/gpu/GrRenderTargetContextPriv.h"
#include "src/gpu/GrResourceProvider.h"
#include "src/gpu/GrShape.h"
#include "src/gpu/GrStencilAttachment.h"
#include "src/gpu/GrStyle.h"
#include "src/gpu/GrTracing.h"
#include "src/gpu/SkGr.h"
#include "src/gpu/effects/GrBicubicEffect.h"
#include "src/gpu/effects/GrRRectEffect.h"
#include "src/gpu/effects/GrTextureDomain.h"
#include "src/gpu/ops/GrAtlasTextOp.h"
#include "src/gpu/ops/GrClearOp.h"
#include "src/gpu/ops/GrClearStencilClipOp.h"
#include "src/gpu/ops/GrDebugMarkerOp.h"
#include "src/gpu/ops/GrDrawAtlasOp.h"
#include "src/gpu/ops/GrDrawOp.h"
#include "src/gpu/ops/GrDrawVerticesOp.h"
#include "src/gpu/ops/GrDrawableOp.h"
#include "src/gpu/ops/GrFillRRectOp.h"
#include "src/gpu/ops/GrFillRectOp.h"
#include "src/gpu/ops/GrLatticeOp.h"
#include "src/gpu/ops/GrOp.h"
#include "src/gpu/ops/GrOvalOpFactory.h"
#include "src/gpu/ops/GrRegionOp.h"
#include "src/gpu/ops/GrSemaphoreOp.h"
#include "src/gpu/ops/GrShadowRRectOp.h"
#include "src/gpu/ops/GrStencilPathOp.h"
#include "src/gpu/ops/GrStrokeRectOp.h"
#include "src/gpu/ops/GrTextureOp.h"
#include "src/gpu/ops/GrTransferFromOp.h"
#include "src/gpu/text/GrTextContext.h"
#include "src/gpu/text/GrTextTarget.h"
class GrRenderTargetContext::TextTarget : public GrTextTarget {
public:
TextTarget(GrRenderTargetContext* renderTargetContext)
: GrTextTarget(renderTargetContext->width(), renderTargetContext->height(),
renderTargetContext->colorSpaceInfo())
, fRenderTargetContext(renderTargetContext)
, fGlyphPainter{*renderTargetContext}{}
void addDrawOp(const GrClip& clip, std::unique_ptr<GrAtlasTextOp> op) override {
fRenderTargetContext->addDrawOp(clip, std::move(op));
}
void drawShape(const GrClip& clip, const SkPaint& paint,
const SkMatrix& viewMatrix, const GrShape& shape) override {
GrBlurUtils::drawShapeWithMaskFilter(fRenderTargetContext->fContext, fRenderTargetContext,
clip, paint, viewMatrix, shape);
}
void makeGrPaint(GrMaskFormat maskFormat, const SkPaint& skPaint, const SkMatrix& viewMatrix,
GrPaint* grPaint) override {
auto context = fRenderTargetContext->fContext;
const GrColorSpaceInfo& colorSpaceInfo = fRenderTargetContext->colorSpaceInfo();
if (kARGB_GrMaskFormat == maskFormat) {
SkPaintToGrPaintWithPrimitiveColor(context, colorSpaceInfo, skPaint, grPaint);
} else {
SkPaintToGrPaint(context, colorSpaceInfo, skPaint, viewMatrix, grPaint);
}
}
GrRecordingContext* getContext() override {
return fRenderTargetContext->fContext;
}
SkGlyphRunListPainter* glyphPainter() override {
return &fGlyphPainter;
}
private:
GrRenderTargetContext* fRenderTargetContext;
SkGlyphRunListPainter fGlyphPainter;
};
#define ASSERT_OWNED_RESOURCE(R) SkASSERT(!(R) || (R)->getContext() == this->drawingManager()->getContext())
#define ASSERT_SINGLE_OWNER \
SkDEBUGCODE(GrSingleOwner::AutoEnforce debug_SingleOwner(this->singleOwner());)
#define ASSERT_SINGLE_OWNER_PRIV \
SkDEBUGCODE(GrSingleOwner::AutoEnforce debug_SingleOwner(fRenderTargetContext->singleOwner());)
#define RETURN_IF_ABANDONED if (fContext->priv().abandoned()) { return; }
#define RETURN_IF_ABANDONED_PRIV if (fRenderTargetContext->fContext->priv().abandoned()) { return; }
#define RETURN_FALSE_IF_ABANDONED if (fContext->priv().abandoned()) { return false; }
#define RETURN_FALSE_IF_ABANDONED_PRIV if (fRenderTargetContext->fContext->priv().abandoned()) { return false; }
#define RETURN_NULL_IF_ABANDONED if (fContext->priv().abandoned()) { return nullptr; }
//////////////////////////////////////////////////////////////////////////////
class AutoCheckFlush {
public:
AutoCheckFlush(GrDrawingManager* drawingManager) : fDrawingManager(drawingManager) {
SkASSERT(fDrawingManager);
}
~AutoCheckFlush() { fDrawingManager->flushIfNecessary(); }
private:
GrDrawingManager* fDrawingManager;
};
// In MDB mode the reffing of the 'getLastOpList' call's result allows in-progress
// GrOpLists to be picked up and added to by renderTargetContexts lower in the call
// stack. When this occurs with a closed GrOpList, a new one will be allocated
// when the renderTargetContext attempts to use it (via getOpList).
GrRenderTargetContext::GrRenderTargetContext(GrRecordingContext* context,
sk_sp<GrRenderTargetProxy> rtp,
sk_sp<SkColorSpace> colorSpace,
const SkSurfaceProps* surfaceProps,
bool managedOpList)
: GrSurfaceContext(context, rtp->config(), std::move(colorSpace))
, fRenderTargetProxy(std::move(rtp))
, fOpList(sk_ref_sp(fRenderTargetProxy->getLastRenderTargetOpList()))
, fSurfaceProps(SkSurfacePropsCopyOrDefault(surfaceProps))
, fManagedOpList(managedOpList) {
fTextTarget.reset(new TextTarget(this));
SkDEBUGCODE(this->validate();)
}
#ifdef SK_DEBUG
void GrRenderTargetContext::validate() const {
SkASSERT(fRenderTargetProxy);
fRenderTargetProxy->validate(fContext);
if (fOpList && !fOpList->isClosed()) {
SkASSERT(fRenderTargetProxy->getLastOpList() == fOpList.get());
}
}
#endif
GrRenderTargetContext::~GrRenderTargetContext() {
ASSERT_SINGLE_OWNER
}
inline GrAAType GrRenderTargetContext::chooseAAType(GrAA aa) {
auto fsaaType = this->fsaaType();
if (GrAA::kNo == aa) {
// On some devices we cannot disable MSAA if it is enabled so we make the AA type reflect
// that.
if (fsaaType == GrFSAAType::kUnifiedMSAA && !this->caps()->multisampleDisableSupport()) {
return GrAAType::kMSAA;
}
return GrAAType::kNone;
}
switch (fsaaType) {
case GrFSAAType::kNone:
case GrFSAAType::kMixedSamples:
return GrAAType::kCoverage;
case GrFSAAType::kUnifiedMSAA:
return GrAAType::kMSAA;
}
SK_ABORT("Unexpected fsaa type");
return GrAAType::kNone;
}
static inline GrPathRenderer::AATypeFlags choose_path_aa_type_flags(
GrAA aa, GrFSAAType fsaaType, const GrCaps& caps) {
using AATypeFlags = GrPathRenderer::AATypeFlags;
if (GrAA::kNo == aa) {
// On some devices we cannot disable MSAA if it is enabled so we make the AA type flags
// reflect that.
if (fsaaType == GrFSAAType::kUnifiedMSAA && !caps.multisampleDisableSupport()) {
return AATypeFlags::kMSAA;
}
return AATypeFlags::kNone;
}
switch (fsaaType) {
case GrFSAAType::kNone:
return AATypeFlags::kCoverage;
case GrFSAAType::kMixedSamples:
return AATypeFlags::kCoverage | AATypeFlags::kMixedSampledStencilThenCover;
case GrFSAAType::kUnifiedMSAA:
return AATypeFlags::kMSAA;
}
SK_ABORT("Invalid GrFSAAType.");
return AATypeFlags::kNone;
}
GrTextureProxy* GrRenderTargetContext::asTextureProxy() {
return fRenderTargetProxy->asTextureProxy();
}
const GrTextureProxy* GrRenderTargetContext::asTextureProxy() const {
return fRenderTargetProxy->asTextureProxy();
}
sk_sp<GrTextureProxy> GrRenderTargetContext::asTextureProxyRef() {
return sk_ref_sp(fRenderTargetProxy->asTextureProxy());
}
GrMipMapped GrRenderTargetContext::mipMapped() const {
if (const GrTextureProxy* proxy = this->asTextureProxy()) {
return proxy->mipMapped();
}
return GrMipMapped::kNo;
}
GrRenderTargetOpList* GrRenderTargetContext::getRTOpList() {
ASSERT_SINGLE_OWNER
SkDEBUGCODE(this->validate();)
if (!fOpList || fOpList->isClosed()) {
fOpList = this->drawingManager()->newRTOpList(fRenderTargetProxy, fManagedOpList);
}
return fOpList.get();
}
GrOpList* GrRenderTargetContext::getOpList() {
return this->getRTOpList();
}
void GrRenderTargetContext::drawGlyphRunList(
const GrClip& clip, const SkMatrix& viewMatrix,
const SkGlyphRunList& blob) {
ASSERT_SINGLE_OWNER
RETURN_IF_ABANDONED
SkDEBUGCODE(this->validate();)
GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContext", "drawGlyphRunList", fContext);
// Drawing text can cause us to do inline uploads. This is not supported for wrapped vulkan
// secondary command buffers because it would require stopping and starting a render pass which
// we don't have access to.
if (this->wrapsVkSecondaryCB()) {
return;
}
GrTextContext* atlasTextContext = this->drawingManager()->getTextContext();
atlasTextContext->drawGlyphRunList(fContext, fTextTarget.get(), clip, viewMatrix,
fSurfaceProps, blob);
}
void GrRenderTargetContext::discard() {
ASSERT_SINGLE_OWNER
RETURN_IF_ABANDONED
SkDEBUGCODE(this->validate();)
GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContext", "discard", fContext);
AutoCheckFlush acf(this->drawingManager());
this->getRTOpList()->discard();
}
void GrRenderTargetContext::clear(const SkIRect* rect,
const SkPMColor4f& color,
CanClearFullscreen canClearFullscreen) {
ASSERT_SINGLE_OWNER
RETURN_IF_ABANDONED
SkDEBUGCODE(this->validate();)
GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContext", "clear", fContext);
AutoCheckFlush acf(this->drawingManager());
this->internalClear(rect ? GrFixedClip(*rect) : GrFixedClip::Disabled(), color,
canClearFullscreen);
}
void GrRenderTargetContextPriv::clear(const GrFixedClip& clip,
const SkPMColor4f& color,
CanClearFullscreen canClearFullscreen) {
ASSERT_SINGLE_OWNER_PRIV
RETURN_IF_ABANDONED_PRIV
SkDEBUGCODE(fRenderTargetContext->validate();)
GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContextPriv", "clear",
fRenderTargetContext->fContext);
AutoCheckFlush acf(fRenderTargetContext->drawingManager());
fRenderTargetContext->internalClear(clip, color, canClearFullscreen);
}
static void clear_to_grpaint(const SkPMColor4f& color, GrPaint* paint) {
paint->setColor4f(color);
if (color.isOpaque()) {
// Can just rely on the src-over blend mode to do the right thing
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 GrRenderTargetContext::internalClear(const GrFixedClip& clip,
const SkPMColor4f& color,
CanClearFullscreen canClearFullscreen) {
bool isFull = false;
if (!clip.hasWindowRectangles()) {
// 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.
isFull = !clip.scissorEnabled() ||
(CanClearFullscreen::kYes == canClearFullscreen &&
(this->caps()->preferFullscreenClears() || this->caps()->shouldInitializeTextures())) ||
clip.scissorRect().contains(SkIRect::MakeWH(this->width(), this->height()));
}
if (isFull) {
if (this->getRTOpList()->resetForFullscreenClear() &&
!this->caps()->performColorClearsAsDraws()) {
// The op list was emptied and native clears are allowed, so just use the load op
this->getRTOpList()->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
this->getRTOpList()->setColorLoadOp(GrLoadOp::kDiscard);
}
// Must add an op to the list (either because we couldn't use a load op, or because the
// clear load op isn't supported)
if (this->caps()->performColorClearsAsDraws()) {
SkRect rtRect = SkRect::MakeWH(this->width(), this->height());
GrPaint paint;
clear_to_grpaint(color, &paint);
this->addDrawOp(GrFixedClip::Disabled(),
GrFillRectOp::MakeNonAARect(fContext, std::move(paint), SkMatrix::I(),
rtRect));
} else {
this->getRTOpList()->addOp(GrClearOp::Make(fContext, SkIRect::MakeEmpty(), color,
/* fullscreen */ true), *this->caps());
}
} else {
if (this->caps()->performPartialClearsAsDraws()) {
// performPartialClearsAsDraws() also returns true if any clear has to be a draw.
GrPaint paint;
clear_to_grpaint(color, &paint);
this->addDrawOp(clip,
GrFillRectOp::MakeNonAARect(fContext, std::move(paint), SkMatrix::I(),
SkRect::Make(clip.scissorRect())));
} else {
std::unique_ptr<GrOp> op(GrClearOp::Make(fContext, clip, color,
this->asSurfaceProxy()));
// This version of the clear op factory can return null if the clip doesn't intersect
// with the surface proxy's boundary
if (!op) {
return;
}
this->getRTOpList()->addOp(std::move(op), *this->caps());
}
}
}
void GrRenderTargetContextPriv::absClear(const SkIRect* clearRect, const SkPMColor4f& color) {
ASSERT_SINGLE_OWNER_PRIV
RETURN_IF_ABANDONED_PRIV
SkDEBUGCODE(fRenderTargetContext->validate();)
GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContextPriv", "absClear",
fRenderTargetContext->fContext);
AutoCheckFlush acf(fRenderTargetContext->drawingManager());
SkIRect rtRect = SkIRect::MakeWH(fRenderTargetContext->fRenderTargetProxy->worstCaseWidth(),
fRenderTargetContext->fRenderTargetProxy->worstCaseHeight());
if (clearRect) {
if (clearRect->contains(rtRect)) {
clearRect = nullptr; // full screen
} else {
if (!rtRect.intersect(*clearRect)) {
return;
}
}
}
// TODO: in a post-MDB world this should be handled at the OpList level.
// 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
// highlighted in line related to absClear()'s unique behavior.
if (clearRect) {
if (fRenderTargetContext->caps()->performPartialClearsAsDraws()) {
GrPaint paint;
clear_to_grpaint(color, &paint);
// 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
// bounds and not the worst case dimensions required here.
fRenderTargetContext->addDrawOp(GrFixedClip::Disabled(),
GrFillRectOp::MakeNonAARect(fRenderTargetContext->fContext, std::move(paint),
SkMatrix::I(), SkRect::Make(rtRect)));
} else {
// Must use the ClearOp factory that takes a boolean (false) instead of a surface
// proxy. The surface proxy variant would intersect the clip rect with its logical
// bounds, which is not desired in this special case.
fRenderTargetContext->getRTOpList()->addOp(
GrClearOp::Make(fRenderTargetContext->fContext, rtRect, color,
/* fullscreen */ false),
*fRenderTargetContext->caps());
}
} else {
// Reset the oplist like in internalClear(), but do not rely on a load op for the clear
fRenderTargetContext->getRTOpList()->resetForFullscreenClear();
fRenderTargetContext->getRTOpList()->setColorLoadOp(GrLoadOp::kDiscard);
if (fRenderTargetContext->caps()->performColorClearsAsDraws()) {
// This draws a quad covering the worst case dimensions instead of just the logical
// width and height like in internalClear().
GrPaint paint;
clear_to_grpaint(color, &paint);
fRenderTargetContext->addDrawOp(GrFixedClip::Disabled(),
GrFillRectOp::MakeNonAARect(fRenderTargetContext->fContext, std::move(paint),
SkMatrix::I(), SkRect::Make(rtRect)));
} else {
// Nothing special about this path in absClear compared to internalClear()
fRenderTargetContext->getRTOpList()->addOp(
GrClearOp::Make(fRenderTargetContext->fContext, SkIRect::MakeEmpty(), color,
/* fullscreen */ true),
*fRenderTargetContext->caps());
}
}
}
void GrRenderTargetContext::drawPaint(const GrClip& clip,
GrPaint&& paint,
const SkMatrix& viewMatrix) {
ASSERT_SINGLE_OWNER
RETURN_IF_ABANDONED
SkDEBUGCODE(this->validate();)
GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContext", "drawPaint", fContext);
// set rect to be big enough to fill the space, but not super-huge, so we
// don't overflow fixed-point implementations
SkRect r = fRenderTargetProxy->getBoundsRect();
// Check if we can optimize a clipped drawPaint(). We only do the transformation when there are
// no fragment processors because they may depend on having correct local coords and this path
// draws in device space without a local matrix. It currently handles converting clipRRect()
// to drawRRect() and solid colors to screen-filling drawRects() (which are then converted into
// clears if possible in drawRect).
if (!paint.numTotalFragmentProcessors()) {
SkRRect rrect;
GrAA aa = GrAA::kNo;
if (clip.isRRect(r, &rrect, &aa)) {
if (rrect.isRect()) {
// Use drawFilledRect() with no clip and the reduced rectangle
this->drawFilledRect(GrNoClip(), std::move(paint), aa, SkMatrix::I(), rrect.rect());
} else {
// Use drawRRect() with no clip
this->drawRRect(GrNoClip(), std::move(paint), aa, SkMatrix::I(), rrect,
GrStyle::SimpleFill());
}
} else {
// Use drawFilledRect() with no view matrix to draw a fullscreen quad, but preserve
// the clip. Since the paint has no FPs we can drop the view matrix without worrying
// about local coordinates. If the clip is simple, drawFilledRect() will turn this into
// a clear or a scissored clear.
this->drawFilledRect(clip, std::move(paint), aa, SkMatrix::I(), r);
}
return;
}
// Since the paint is not trivial, there's no way at this point drawRect() could have converted
// this drawPaint() into an optimized clear. drawRect() would then use GrFillRectOp without
// a local matrix, so we can simplify things and use the local matrix variant to draw a screen
// filling rect with the inverse view matrix for local coords, which works for all matrix
// conditions.
SkMatrix localMatrix;
if (!viewMatrix.invert(&localMatrix)) {
return;
}
AutoCheckFlush acf(this->drawingManager());
std::unique_ptr<GrDrawOp> op = GrFillRectOp::MakeGeneric(
fContext, std::move(paint), GrAAType::kNone, GrQuadAAFlags::kNone,
GrPerspQuad(r), GrPerspQuad::MakeFromRect(r, localMatrix));
this->addDrawOp(clip, std::move(op));
}
static inline bool rect_contains_inclusive(const SkRect& rect, const SkPoint& point) {
return point.fX >= rect.fLeft && point.fX <= rect.fRight &&
point.fY >= rect.fTop && point.fY <= rect.fBottom;
}
// Attempts to crop a rect and optional local rect to the clip boundaries.
// Returns false if the draw can be skipped entirely.
static bool crop_filled_rect(int width, int height, const GrClip& clip,
const SkMatrix& viewMatrix, SkRect* rect,
SkRect* localRect = nullptr) {
if (!viewMatrix.rectStaysRect()) {
return true;
}
SkIRect clipDevBounds;
SkRect clipBounds;
clip.getConservativeBounds(width, height, &clipDevBounds);
if (!SkMatrixPriv::InverseMapRect(viewMatrix, &clipBounds, SkRect::Make(clipDevBounds))) {
return false;
}
if (localRect) {
if (!rect->intersects(clipBounds)) {
return false;
}
// localRect is force-sorted after clipping, so this is a sanity check to make sure callers
// aren't intentionally using inverted local rectangles.
SkASSERT(localRect->isSorted());
const SkScalar dx = localRect->width() / rect->width();
const SkScalar dy = localRect->height() / rect->height();
if (clipBounds.fLeft > rect->fLeft) {
localRect->fLeft += (clipBounds.fLeft - rect->fLeft) * dx;
rect->fLeft = clipBounds.fLeft;
}
if (clipBounds.fTop > rect->fTop) {
localRect->fTop += (clipBounds.fTop - rect->fTop) * dy;
rect->fTop = clipBounds.fTop;
}
if (clipBounds.fRight < rect->fRight) {
localRect->fRight -= (rect->fRight - clipBounds.fRight) * dx;
rect->fRight = clipBounds.fRight;
}
if (clipBounds.fBottom < rect->fBottom) {
localRect->fBottom -= (rect->fBottom - clipBounds.fBottom) * dy;
rect->fBottom = clipBounds.fBottom;
}
// Ensure local coordinates remain sorted after clipping. If the original dstRect was very
// large, numeric precision can invert the localRect
localRect->sort();
return true;
}
return rect->intersect(clipBounds);
}
GrQuadAAFlags set_edge_flag(GrQuadAAFlags currentFlags, GrQuadAAFlags edge, GrAA edgeState) {
if (edgeState == GrAA::kNo) {
// Turn off 'edge' in currentFlags
return currentFlags & (~edge);
} else {
// Turn on 'edge' in currentFlags
return currentFlags | edge;
}
}
bool GrRenderTargetContext::drawFilledRectAsClear(const GrClip& clip, GrPaint&& paint, GrAA aa,
const SkMatrix& viewMatrix, const SkRect& rect) {
// Rules for a filled rect to become a clear [+scissor]:
// 1. The paint is a constant blend color with no other FPs
// 2. The view matrix maps rectangles to rectangles, or the transformed quad fully covers
// the render target (or clear region in #3).
// 3. The clip is an intersection of rectangles, so the clear region will be the
// intersection of the clip and the provided rect.
// 4. The clear region aligns with pixel bounds
// 5. There are no user stencil settings (and since the clip was IOR, the clip won't need
// to use the stencil either).
// If all conditions pass, the filled rect can either be a fullscreen clear (if it's big
// enough), or the rectangle geometry will be used as the scissor clip on the clear.
// If everything passes but rule #4, this submits a simplified fill rect op instead so that the
// rounding differences between clip and draws don't fight each other.
// NOTE: we route draws into clear() regardless of performColorClearsAsDraws() since the
// clear call is allowed to reset the oplist even when it also happens to use a GrFillRectOp.
SkPMColor4f clearColor;
if (paint.numCoverageFragmentProcessors() > 0 || !paint.isConstantBlendedColor(&clearColor)) {
return false;
}
const SkRect rtRect = fRenderTargetProxy->getBoundsRect();
// Will be the intersection of render target, clip, and quad
SkRect combinedRect = rtRect;
SkRRect clipRRect;
GrAA clipAA;
if (!clip.quickContains(rtRect)) {
// If the clip is an rrect with no rounding, then it can replace the full RT bounds as the
// limiting region, although we will have to worry about AA. If the clip is anything
// more complicated, just punt to the regular fill rect op.
if (!clip.isRRect(rtRect, &clipRRect, &clipAA) || !clipRRect.isRect()) {
return false;
}
combinedRect = clipRRect.rect();
} else {
// The clip is outside the render target, so the clip can be ignored
clipAA = GrAA::kNo;
}
GrQuadAAFlags edgeFlags; // To account for clip and draw mixing AA modes
if (viewMatrix.rectStaysRect()) {
// Skip the extra overhead of inverting the view matrix to see if rtRect is contained in the
// drawn rectangle, and instead just intersect rtRect with the transformed rect. It will be
// the new clear region.
SkRect drawRect = viewMatrix.mapRect(rect);
if (!combinedRect.intersect(drawRect)) {
// No intersection means nothing should be drawn, so return true but don't add an op
return true;
}
// In this case, edge flags start based on draw's AA and then switch per-edge to the clip's
// AA setting if that edge was inset.
edgeFlags = aa == GrAA::kNo ? GrQuadAAFlags::kNone : GrQuadAAFlags::kAll;
if (combinedRect.fLeft > drawRect.fLeft) {
edgeFlags = set_edge_flag(edgeFlags, GrQuadAAFlags::kLeft, clipAA);
}
if (combinedRect.fTop > drawRect.fTop) {
edgeFlags = set_edge_flag(edgeFlags, GrQuadAAFlags::kTop, clipAA);
}
if (combinedRect.fRight < drawRect.fRight) {
edgeFlags = set_edge_flag(edgeFlags, GrQuadAAFlags::kRight, clipAA);
}
if (combinedRect.fBottom < drawRect.fBottom) {
edgeFlags = set_edge_flag(edgeFlags, GrQuadAAFlags::kBottom, clipAA);
}
} else {
// If the transformed rectangle does not contain the combined rt and clip, the draw is too
// complex to be implemented as a clear
SkMatrix invM;
if (!viewMatrix.invert(&invM)) {
return false;
}
// The clip region in the rect's local space, so the test becomes the local rect containing
// the quad's points. If clip is non-AA, test rounded out region to avoid the scenario where
// the draw contains the unrounded non-aa clip, but does not contain the rounded version. Be
// conservative since we don't know how the GPU would round.
SkRect conservative;
if (clipAA == GrAA::kNo) {
conservative = SkRect::Make(combinedRect.roundOut());
} else {
conservative = combinedRect;
}
GrQuad quad = GrQuad::MakeFromRect(conservative, invM);
if (!rect_contains_inclusive(rect, quad.point(0)) ||
!rect_contains_inclusive(rect, quad.point(1)) ||
!rect_contains_inclusive(rect, quad.point(2)) ||
!rect_contains_inclusive(rect, quad.point(3))) {
// No containment, so combinedRect can't be filled by a solid color
return false;
}
// combinedRect can be filled by a solid color but doesn't need to be modified since it's
// inside the quad to be drawn, which also means the edge AA flags respect the clip AA
edgeFlags = clipAA == GrAA::kNo ? GrQuadAAFlags::kNone : GrQuadAAFlags::kAll;
}
// Almost every condition is met; now it requires that the combined rect align with pixel
// boundaries in order for it to become a scissor-clear. Ignore the AA status in this case
// since non-AA with partial-pixel coordinates can be rounded differently on the GPU,
// leading to unexpected differences between a scissor test and a rasterized quad.
// Also skip very small rectangles since the scissor+clear doesn't by us much then.
if (combinedRect.contains(rtRect)) {
// Full screen clear
this->clear(nullptr, clearColor, CanClearFullscreen::kYes);
return true;
} else if (GrClip::IsPixelAligned(combinedRect) &&
combinedRect.width() > 256 && combinedRect.height() > 256) {
// Scissor + clear (round shouldn't do anything since we are pixel aligned)
SkIRect scissorRect;
combinedRect.round(&scissorRect);
this->clear(&scissorRect, clearColor, CanClearFullscreen::kNo);
return true;
}
// If we got here, we can't use a scissor + clear, but combinedRect represents the correct
// geometry combination of quad + clip so we can perform a simplified fill rect op. We do this
// mostly to avoid mismatches in rounding logic on the CPU vs. the GPU, which frequently appears
// when drawing and clipping something to the same non-AA rect that never-the-less has
// non-integer coordinates.
aa = edgeFlags == GrQuadAAFlags::kNone ? GrAA::kNo : GrAA::kYes;
GrAAType aaType = this->chooseAAType(aa);
this->addDrawOp(GrFixedClip::Disabled(),
GrFillRectOp::MakeGeneric(fContext, std::move(paint), aaType, edgeFlags,
GrPerspQuad(combinedRect), GrPerspQuad(combinedRect)));
return true;
}
void GrRenderTargetContext::drawFilledRect(const GrClip& clip,
GrPaint&& paint,
GrAA aa,
const SkMatrix& viewMatrix,
const SkRect& rect,
const GrUserStencilSettings* ss) {
if (!ss) {
if (this->drawFilledRectAsClear(clip, std::move(paint), aa, viewMatrix, rect)) {
return;
}
// Fall through to fill rect op
assert_alive(paint);
}
SkRect croppedRect = rect;
if (!crop_filled_rect(this->width(), this->height(), clip, viewMatrix, &croppedRect)) {
// The rectangle would not be drawn, so no need to add a draw op to the list
return;
}
GrAAType aaType = this->chooseAAType(aa);
this->addDrawOp(clip, GrFillRectOp::MakeGeneric(fContext, std::move(paint), aaType,
aa == GrAA::kYes ? GrQuadAAFlags::kAll : GrQuadAAFlags::kNone,
GrPerspQuad::MakeFromRect(croppedRect, viewMatrix), GrPerspQuad(croppedRect), ss));
}
void GrRenderTargetContext::drawRect(const GrClip& clip,
GrPaint&& paint,
GrAA aa,
const SkMatrix& viewMatrix,
const SkRect& rect,
const GrStyle* style) {
if (!style) {
style = &GrStyle::SimpleFill();
}
ASSERT_SINGLE_OWNER
RETURN_IF_ABANDONED
SkDEBUGCODE(this->validate();)
GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContext", "drawRect", fContext);
// Path effects should've been devolved to a path in SkGpuDevice
SkASSERT(!style->pathEffect());
AutoCheckFlush acf(this->drawingManager());
const SkStrokeRec& stroke = style->strokeRec();
if (stroke.getStyle() == SkStrokeRec::kFill_Style) {
this->drawFilledRect(clip, std::move(paint), aa, viewMatrix, rect);
return;
} else if (stroke.getStyle() == SkStrokeRec::kStroke_Style ||
stroke.getStyle() == SkStrokeRec::kHairline_Style) {
if ((!rect.width() || !rect.height()) &&
SkStrokeRec::kHairline_Style != stroke.getStyle()) {
SkScalar r = stroke.getWidth() / 2;
// TODO: Move these stroke->fill fallbacks to GrShape?
switch (stroke.getJoin()) {
case SkPaint::kMiter_Join:
this->drawRect(
clip, std::move(paint), aa, viewMatrix,
{rect.fLeft - r, rect.fTop - r, rect.fRight + r, rect.fBottom + r},
&GrStyle::SimpleFill());
return;
case SkPaint::kRound_Join:
// Raster draws nothing when both dimensions are empty.
if (rect.width() || rect.height()){
SkRRect rrect = SkRRect::MakeRectXY(rect.makeOutset(r, r), r, r);
this->drawRRect(clip, std::move(paint), aa, viewMatrix, rrect,
GrStyle::SimpleFill());
return;
}
case SkPaint::kBevel_Join:
if (!rect.width()) {
this->drawRect(clip, std::move(paint), aa, viewMatrix,
{rect.fLeft - r, rect.fTop, rect.fRight + r, rect.fBottom},
&GrStyle::SimpleFill());
} else {
this->drawRect(clip, std::move(paint), aa, viewMatrix,
{rect.fLeft, rect.fTop - r, rect.fRight, rect.fBottom + r},
&GrStyle::SimpleFill());
}
return;
}
}
std::unique_ptr<GrDrawOp> op;
GrAAType aaType = this->chooseAAType(aa);
op = GrStrokeRectOp::Make(fContext, std::move(paint), aaType, viewMatrix, rect, stroke);
// op may be null if the stroke is not supported or if using coverage aa and the view matrix
// does not preserve rectangles.
if (op) {
this->addDrawOp(clip, std::move(op));
return;
}
}
assert_alive(paint);
this->drawShapeUsingPathRenderer(clip, std::move(paint), aa, viewMatrix, GrShape(rect, *style));
}
void GrRenderTargetContext::drawQuadSet(const GrClip& clip, GrPaint&& paint, GrAA aa,
const SkMatrix& viewMatrix, const QuadSetEntry quads[],
int cnt) {
GrAAType aaType = this->chooseAAType(aa);
this->addDrawOp(clip, GrFillRectOp::MakeSet(fContext, std::move(paint), aaType, viewMatrix,
quads, cnt));
}
int GrRenderTargetContextPriv::maxWindowRectangles() const {
return fRenderTargetContext->fRenderTargetProxy->maxWindowRectangles(
*fRenderTargetContext->caps());
}
void GrRenderTargetContextPriv::clearStencilClip(const GrFixedClip& clip, bool insideStencilMask) {
ASSERT_SINGLE_OWNER_PRIV
RETURN_IF_ABANDONED_PRIV
SkDEBUGCODE(fRenderTargetContext->validate();)
GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContextPriv", "clearStencilClip",
fRenderTargetContext->fContext);
AutoCheckFlush acf(fRenderTargetContext->drawingManager());
fRenderTargetContext->internalStencilClear(clip, insideStencilMask);
}
void GrRenderTargetContext::internalStencilClear(const GrFixedClip& clip, bool insideStencilMask) {
if (this->caps()->performStencilClearsAsDraws()) {
const GrUserStencilSettings* ss = GrStencilSettings::SetClipBitSettings(insideStencilMask);
SkRect rtRect = SkRect::MakeWH(this->width(), this->height());
// Configure the paint to have no impact on the color buffer
GrPaint paint;
paint.setXPFactory(GrDisableColorXPFactory::Get());
// Mark stencil usage here before addDrawOp() so that it doesn't try to re-call
// internalStencilClear() just because the op has stencil settings.
this->setNeedsStencil();
this->addDrawOp(clip, GrFillRectOp::MakeNonAARect(fContext, std::move(paint), SkMatrix::I(),
rtRect, ss));
} else {
std::unique_ptr<GrOp> op(GrClearStencilClipOp::Make(fContext, clip, insideStencilMask,
fRenderTargetProxy.get()));
if (!op) {
return;
}
this->getRTOpList()->addOp(std::move(op), *this->caps());
}
}
void GrRenderTargetContextPriv::stencilPath(const GrHardClip& clip,
GrAA doStencilMSAA,
const SkMatrix& viewMatrix,
const GrPath* path) {
ASSERT_SINGLE_OWNER_PRIV
RETURN_IF_ABANDONED_PRIV
SkDEBUGCODE(fRenderTargetContext->validate();)
GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContextPriv", "stencilPath",
fRenderTargetContext->fContext);
// TODO: extract portions of checkDraw that are relevant to path stenciling.
SkASSERT(path);
SkASSERT(fRenderTargetContext->caps()->shaderCaps()->pathRenderingSupport());
// FIXME: Use path bounds instead of this WAR once
// https://bugs.chromium.org/p/skia/issues/detail?id=5640 is resolved.
SkRect bounds = SkRect::MakeIWH(fRenderTargetContext->width(), fRenderTargetContext->height());
// Setup clip
GrAppliedHardClip appliedClip;
if (!clip.apply(fRenderTargetContext->width(), fRenderTargetContext->height(), &appliedClip,
&bounds)) {
return;
}
fRenderTargetContext->setNeedsStencil();
std::unique_ptr<GrOp> op = GrStencilPathOp::Make(fRenderTargetContext->fContext,
viewMatrix,
GrAA::kYes == doStencilMSAA,
path->getFillType(),
appliedClip.hasStencilClip(),
appliedClip.scissorState(),
path);
if (!op) {
return;
}
op->setClippedBounds(bounds);
fRenderTargetContext->getRTOpList()->addOp(std::move(op), *fRenderTargetContext->caps());
}
void GrRenderTargetContextPriv::stencilRect(const GrClip& clip,
const GrUserStencilSettings* ss,
GrPaint&& paint,
GrAA doStencilMSAA,
const SkMatrix& viewMatrix,
const SkRect& rect,
const SkMatrix* localMatrix) {
ASSERT_SINGLE_OWNER_PRIV
RETURN_IF_ABANDONED_PRIV
SkDEBUGCODE(fRenderTargetContext->validate();)
GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContextPriv", "stencilRect",
fRenderTargetContext->fContext);
AutoCheckFlush acf(fRenderTargetContext->drawingManager());
auto aaType = (GrAA::kYes == doStencilMSAA) ? GrAAType::kMSAA : GrAAType::kNone;
GrPerspQuad localQuad = localMatrix ? GrPerspQuad::MakeFromRect(rect, *localMatrix)
: GrPerspQuad(rect);
std::unique_ptr<GrDrawOp> op = GrFillRectOp::MakeGeneric(
fRenderTargetContext->fContext, std::move(paint), aaType, GrQuadAAFlags::kNone,
GrPerspQuad::MakeFromRect(rect, viewMatrix), localQuad, ss);
fRenderTargetContext->addDrawOp(clip, std::move(op));
}
void GrRenderTargetContext::fillRectWithEdgeAA(const GrClip& clip, GrPaint&& paint, GrAA aa,
GrQuadAAFlags edgeAA, const SkMatrix& viewMatrix,
const SkRect& rect, const SkRect* localRect) {
ASSERT_SINGLE_OWNER
RETURN_IF_ABANDONED
SkDEBUGCODE(this->validate();)
GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContext", "fillRectWithEdgeAA", fContext);
GrAAType aaType = this->chooseAAType(aa);
std::unique_ptr<GrDrawOp> op;
if (localRect) {
// If local coordinates are provided, skip the optimization check to go through
// drawFilledRect, and also calculate clipped local coordinates
SkRect croppedRect = rect;
SkRect croppedLocalRect = *localRect;
if (!crop_filled_rect(this->width(), this->height(), clip, viewMatrix, &croppedRect,
&croppedLocalRect)) {
return;
}
op = GrFillRectOp::MakeGeneric(fContext, std::move(paint), aaType, edgeAA,
GrPerspQuad::MakeFromRect(croppedRect, viewMatrix),
GrPerspQuad(croppedLocalRect));
} else {
// If aaType turns into MSAA, make sure to keep quads with no AA edges as MSAA. Sending
// those to drawFilledRect() would have it turn off MSAA in that case, which breaks seaming
// with any partial AA edges that kept MSAA.
if (aaType != GrAAType::kMSAA &&
(edgeAA == GrQuadAAFlags::kNone || edgeAA == GrQuadAAFlags::kAll)) {
// This is equivalent to a regular filled rect draw, so route through there to take
// advantage of draw->clear optimizations
this->drawFilledRect(clip, std::move(paint), GrAA(edgeAA == GrQuadAAFlags::kAll),
viewMatrix, rect);
return;
}
SkRect croppedRect = rect;
if (!crop_filled_rect(this->width(), this->height(), clip, viewMatrix, &croppedRect)) {
return;
}
op = GrFillRectOp::MakeGeneric(fContext, std::move(paint), aaType, edgeAA,
GrPerspQuad::MakeFromRect(croppedRect, viewMatrix), GrPerspQuad(croppedRect));
}
AutoCheckFlush acf(this->drawingManager());
this->addDrawOp(clip, std::move(op));
}
void GrRenderTargetContext::fillQuadWithEdgeAA(const GrClip& clip, GrPaint&& paint, GrAA aa,
GrQuadAAFlags edgeAA, const SkMatrix& viewMatrix,
const SkPoint quad[4], const SkPoint localQuad[4]) {
ASSERT_SINGLE_OWNER
RETURN_IF_ABANDONED
SkDEBUGCODE(this->validate();)
GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContext", "fillQuadWithEdgeAA", fContext);
GrAAType aaType = this->chooseAAType(aa);
AutoCheckFlush acf(this->drawingManager());
const SkPoint* localPoints = localQuad ? localQuad : quad;
this->addDrawOp(clip, GrFillRectOp::MakeGeneric(fContext, std::move(paint), aaType, edgeAA,
GrPerspQuad::MakeFromSkQuad(quad, viewMatrix),
GrPerspQuad::MakeFromSkQuad(localPoints, SkMatrix::I())));
}
// Creates a paint for GrFillRectOp that matches behavior of GrTextureOp
static void draw_texture_to_grpaint(sk_sp<GrTextureProxy> proxy, const SkRect* domain,
GrSamplerState::Filter filter, SkBlendMode mode,
const SkPMColor4f& color, sk_sp<GrColorSpaceXform> csXform,
GrPaint* paint) {
paint->setColor4f(color);
paint->setXPFactory(SkBlendMode_AsXPFactory(mode));
std::unique_ptr<GrFragmentProcessor> fp;
if (domain) {
SkRect correctedDomain = *domain;
if (filter == GrSamplerState::Filter::kBilerp) {
// Inset by 1/2 pixel, which GrTextureOp and GrTextureAdjuster handle automatically
correctedDomain.inset(0.5f, 0.5f);
}
fp = GrTextureDomainEffect::Make(std::move(proxy), SkMatrix::I(), correctedDomain,
GrTextureDomain::kClamp_Mode, filter);
} else {
fp = GrSimpleTextureEffect::Make(std::move(proxy), SkMatrix::I(), filter);
}
fp = GrColorSpaceXformEffect::Make(std::move(fp), csXform);
paint->addColorFragmentProcessor(std::move(fp));
}
void GrRenderTargetContext::drawTexture(const GrClip& clip, sk_sp<GrTextureProxy> proxy,
GrSamplerState::Filter filter, SkBlendMode mode,
const SkPMColor4f& color, const SkRect& srcRect,
const SkRect& dstRect, GrAA aa, GrQuadAAFlags aaFlags,
SkCanvas::SrcRectConstraint constraint,
const SkMatrix& viewMatrix,
sk_sp<GrColorSpaceXform> textureColorSpaceXform) {
ASSERT_SINGLE_OWNER
RETURN_IF_ABANDONED
SkDEBUGCODE(this->validate();)
GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContext", "drawTexture", fContext);
if (constraint == SkCanvas::kStrict_SrcRectConstraint &&
srcRect.contains(proxy->getWorstCaseBoundsRect())) {
constraint = SkCanvas::kFast_SrcRectConstraint;
}
GrAAType aaType = this->chooseAAType(aa);
SkRect clippedDstRect = dstRect;
SkRect clippedSrcRect = srcRect;
if (!crop_filled_rect(this->width(), this->height(), clip, viewMatrix, &clippedDstRect,
&clippedSrcRect)) {
return;
}
AutoCheckFlush acf(this->drawingManager());
std::unique_ptr<GrDrawOp> op;
if (mode != SkBlendMode::kSrcOver) {
// Emulation mode with GrPaint and GrFillRectOp
if (filter != GrSamplerState::Filter::kNearest &&
!GrTextureOp::GetFilterHasEffect(viewMatrix, clippedSrcRect, clippedDstRect)) {
filter = GrSamplerState::Filter::kNearest;
}
GrPaint paint;
draw_texture_to_grpaint(std::move(proxy),
constraint == SkCanvas::kStrict_SrcRectConstraint ? &srcRect : nullptr,
filter, mode, color, std::move(textureColorSpaceXform), &paint);
op = GrFillRectOp::MakeGeneric(fContext, std::move(paint), aaType, aaFlags,
GrPerspQuad::MakeFromRect(clippedDstRect, viewMatrix), GrPerspQuad(clippedSrcRect));
} else {
// Can use a lighter weight op that can chain across proxies
op = GrTextureOp::Make(fContext, std::move(proxy), filter, color, clippedSrcRect,
clippedDstRect, aaType, aaFlags, constraint, viewMatrix,
std::move(textureColorSpaceXform));
}
this->addDrawOp(clip, std::move(op));
}
void GrRenderTargetContext::drawTextureQuad(const GrClip& clip, sk_sp<GrTextureProxy> proxy,
GrSamplerState::Filter filter, SkBlendMode mode,
const SkPMColor4f& color, const SkPoint srcQuad[4],
const SkPoint dstQuad[4], GrAA aa,
GrQuadAAFlags aaFlags, const SkRect* domain,
const SkMatrix& viewMatrix,
sk_sp<GrColorSpaceXform> texXform) {
ASSERT_SINGLE_OWNER
RETURN_IF_ABANDONED
SkDEBUGCODE(this->validate();)
GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContext", "drawTextureQuad", fContext);
if (domain && domain->contains(proxy->getWorstCaseBoundsRect())) {
domain = nullptr;
}
GrAAType aaType = this->chooseAAType(aa);
// Unlike drawTexture(), don't bother cropping or optimizing the filter type since we're
// sampling an arbitrary quad of the texture.
AutoCheckFlush acf(this->drawingManager());
std::unique_ptr<GrDrawOp> op;
if (mode != SkBlendMode::kSrcOver) {
// Emulation mode, but don't bother converting to kNearest filter since it's an arbitrary
// quad that is being drawn, which makes the tests too expensive here
GrPaint paint;
draw_texture_to_grpaint(
std::move(proxy), domain, filter, mode, color, std::move(texXform), &paint);
op = GrFillRectOp::MakeGeneric(fContext, std::move(paint), aaType, aaFlags,
GrPerspQuad::MakeFromSkQuad(dstQuad, viewMatrix),
GrPerspQuad::MakeFromSkQuad(srcQuad, SkMatrix::I()));
} else {
// Use lighter weight GrTextureOp
op = GrTextureOp::MakeQuad(fContext, std::move(proxy), filter, color, srcQuad, dstQuad,
aaType, aaFlags, domain, viewMatrix, std::move(texXform));
}
this->addDrawOp(clip, std::move(op));
}
void GrRenderTargetContext::drawTextureSet(const GrClip& clip, const TextureSetEntry set[], int cnt,
GrSamplerState::Filter filter, SkBlendMode mode,
GrAA aa, SkCanvas::SrcRectConstraint constraint,
const SkMatrix& viewMatrix,
sk_sp<GrColorSpaceXform> texXform) {
ASSERT_SINGLE_OWNER
RETURN_IF_ABANDONED
SkDEBUGCODE(this->validate();)
GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContext", "drawTextureSet", fContext);
if (mode != SkBlendMode::kSrcOver ||
!fContext->priv().caps()->dynamicStateArrayGeometryProcessorTextureSupport()) {
// Draw one at a time with GrFillRectOp and a GrPaint that emulates what GrTextureOp does
SkMatrix ctm;
for (int i = 0; i < cnt; ++i) {
float alpha = set[i].fAlpha;
ctm = viewMatrix;
if (set[i].fPreViewMatrix) {
ctm.preConcat(*set[i].fPreViewMatrix);
}
if (set[i].fDstClipQuad == nullptr) {
// Stick with original rectangles, which allows the ops to know more about what's
// being drawn.
this->drawTexture(clip, set[i].fProxy, filter, mode, {alpha, alpha, alpha, alpha},
set[i].fSrcRect, set[i].fDstRect, aa, set[i].fAAFlags,
constraint, ctm, texXform);
} else {
// Generate interpolated texture coordinates to match the dst clip
SkPoint srcQuad[4];
GrMapRectPoints(set[i].fDstRect, set[i].fSrcRect, set[i].fDstClipQuad, srcQuad, 4);
const SkRect* domain = constraint == SkCanvas::kStrict_SrcRectConstraint
? &set[i].fSrcRect : nullptr;
this->drawTextureQuad(clip, set[i].fProxy, filter, mode,
{alpha, alpha, alpha, alpha}, srcQuad, set[i].fDstClipQuad,
aa, set[i].fAAFlags, domain, ctm, texXform);
}
}
} else {
// Can use a single op, avoiding GrPaint creation, and can batch across proxies
AutoCheckFlush acf(this->drawingManager());
GrAAType aaType = this->chooseAAType(aa);
auto op = GrTextureOp::MakeSet(fContext, set, cnt, filter, aaType, constraint, viewMatrix,
std::move(texXform));
this->addDrawOp(clip, std::move(op));
}
}
void GrRenderTargetContext::fillRectWithLocalMatrix(const GrClip& clip,
GrPaint&& paint,
GrAA aa,
const SkMatrix& viewMatrix,
const SkRect& rectToDraw,
const SkMatrix& localMatrix) {
ASSERT_SINGLE_OWNER
RETURN_IF_ABANDONED
SkDEBUGCODE(this->validate();)
GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContext", "fillRectWithLocalMatrix", fContext);
SkRect croppedRect = rectToDraw;
if (!crop_filled_rect(this->width(), this->height(), clip, viewMatrix, &croppedRect)) {
return;
}
AutoCheckFlush acf(this->drawingManager());
GrAAType aaType = this->chooseAAType(aa);
this->addDrawOp(clip, GrFillRectOp::MakeGeneric(fContext, std::move(paint), aaType,
aa == GrAA::kYes ? GrQuadAAFlags::kAll : GrQuadAAFlags::kNone,
GrPerspQuad::MakeFromRect(croppedRect, viewMatrix),
GrPerspQuad::MakeFromRect(croppedRect, localMatrix)));
}
void GrRenderTargetContext::drawVertices(const GrClip& clip,
GrPaint&& paint,
const SkMatrix& viewMatrix,
sk_sp<SkVertices> vertices,
const SkVertices::Bone bones[],
int boneCount,
GrPrimitiveType* overridePrimType) {
ASSERT_SINGLE_OWNER
RETURN_IF_ABANDONED
SkDEBUGCODE(this->validate();)
GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContext", "drawVertices", fContext);
AutoCheckFlush acf(this->drawingManager());
SkASSERT(vertices);
GrAAType aaType = this->chooseAAType(GrAA::kNo);
std::unique_ptr<GrDrawOp> op = GrDrawVerticesOp::Make(
fContext, std::move(paint), std::move(vertices), bones, boneCount, viewMatrix, aaType,
this->colorSpaceInfo().refColorSpaceXformFromSRGB(), overridePrimType);
this->addDrawOp(clip, std::move(op));
}
///////////////////////////////////////////////////////////////////////////////
void GrRenderTargetContext::drawAtlas(const GrClip& clip,
GrPaint&& paint,
const SkMatrix& viewMatrix,
int spriteCount,
const SkRSXform xform[],
const SkRect texRect[],
const SkColor colors[]) {
ASSERT_SINGLE_OWNER
RETURN_IF_ABANDONED
SkDEBUGCODE(this->validate();)
GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContext", "drawAtlas", fContext);
AutoCheckFlush acf(this->drawingManager());
GrAAType aaType = this->chooseAAType(GrAA::kNo);
std::unique_ptr<GrDrawOp> op = GrDrawAtlasOp::Make(fContext, std::move(paint), viewMatrix,
aaType, spriteCount, xform, texRect, colors);
this->addDrawOp(clip, std::move(op));
}
///////////////////////////////////////////////////////////////////////////////
void GrRenderTargetContext::drawRRect(const GrClip& origClip,
GrPaint&& paint,
GrAA aa,
const SkMatrix& viewMatrix,
const SkRRect& rrect,
const GrStyle& style) {
ASSERT_SINGLE_OWNER
RETURN_IF_ABANDONED
SkDEBUGCODE(this->validate();)
GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContext", "drawRRect", fContext);
const SkStrokeRec& stroke = style.strokeRec();
if (stroke.getStyle() == SkStrokeRec::kFill_Style && rrect.isEmpty()) {
return;
}
GrNoClip noclip;
const GrClip* clip = &origClip;
#ifdef SK_BUILD_FOR_ANDROID_FRAMEWORK
// The Android framework frequently clips rrects to themselves where the clip is non-aa and the
// draw is aa. Since our lower level clip code works from op bounds, which are SkRects, it
// doesn't detect that the clip can be ignored (modulo antialiasing). The following test
// attempts to mitigate the stencil clip cost but will only help when the entire clip stack
// can be ignored. We'd prefer to fix this in the framework by removing the clips calls. This
// only works for filled rrects since the stroke width outsets beyond the rrect itself.
SkRRect devRRect;
if (stroke.getStyle() == SkStrokeRec::kFill_Style && rrect.transform(viewMatrix, &devRRect) &&
clip->quickContains(devRRect)) {
clip = &noclip;
}
#endif
SkASSERT(!style.pathEffect()); // this should've been devolved to a path in SkGpuDevice
AutoCheckFlush acf(this->drawingManager());
GrAAType aaType = this->chooseAAType(aa);
std::unique_ptr<GrDrawOp> op;
if (style.isSimpleFill()) {
assert_alive(paint);
op = GrFillRRectOp::Make(
fContext, aaType, viewMatrix, rrect, *this->caps(), std::move(paint));
}
if (!op && GrAAType::kCoverage == aaType) {
assert_alive(paint);
op = GrOvalOpFactory::MakeRRectOp(
fContext, std::move(paint), viewMatrix, rrect, stroke, this->caps()->shaderCaps());
}
if (op) {
this->addDrawOp(*clip, std::move(op));
return;
}
assert_alive(paint);
this->drawShapeUsingPathRenderer(*clip, std::move(paint), aa, viewMatrix,
GrShape(rrect, style));
}
///////////////////////////////////////////////////////////////////////////////
static SkPoint3 map(const SkMatrix& m, const SkPoint3& pt) {
SkPoint3 result;
m.mapXY(pt.fX, pt.fY, (SkPoint*)&result.fX);
result.fZ = pt.fZ;
return result;
}
bool GrRenderTargetContext::drawFastShadow(const GrClip& clip,
const SkMatrix& viewMatrix,
const SkPath& path,
const SkDrawShadowRec& rec) {
ASSERT_SINGLE_OWNER
if (fContext->priv().abandoned()) {
return true;
}
SkDEBUGCODE(this->validate();)
GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContext", "drawFastShadow", fContext);
// check z plane
bool tiltZPlane = SkToBool(!SkScalarNearlyZero(rec.fZPlaneParams.fX) ||
!SkScalarNearlyZero(rec.fZPlaneParams.fY));
bool skipAnalytic = SkToBool(rec.fFlags & SkShadowFlags::kGeometricOnly_ShadowFlag);
if (tiltZPlane || skipAnalytic || !viewMatrix.rectStaysRect() || !viewMatrix.isSimilarity()) {
return false;
}
SkRRect rrect;
SkRect rect;
// we can only handle rects, circles, and rrects with circular corners
bool isRRect = path.isRRect(&rrect) && SkRRectPriv::IsSimpleCircular(rrect) &&
rrect.radii(SkRRect::kUpperLeft_Corner).fX > SK_ScalarNearlyZero;
if (!isRRect &&
path.isOval(&rect) && SkScalarNearlyEqual(rect.width(), rect.height()) &&
rect.width() > SK_ScalarNearlyZero) {
rrect.setOval(rect);
isRRect = true;
}
if (!isRRect && path.isRect(&rect)) {
rrect.setRect(rect);
isRRect = true;
}
if (!isRRect) {
return false;
}
if (rrect.isEmpty()) {
return true;
}
AutoCheckFlush acf(this->drawingManager());
// transform light
SkPoint3 devLightPos = map(viewMatrix, rec.fLightPos);
// 1/scale
SkScalar devToSrcScale = viewMatrix.isScaleTranslate() ?
SkScalarInvert(viewMatrix[SkMatrix::kMScaleX]) :
sk_float_rsqrt(viewMatrix[SkMatrix::kMScaleX] * viewMatrix[SkMatrix::kMScaleX] +
viewMatrix[SkMatrix::kMSkewX] * viewMatrix[SkMatrix::kMSkewX]);
SkScalar occluderHeight = rec.fZPlaneParams.fZ;
bool transparent = SkToBool(rec.fFlags & SkShadowFlags::kTransparentOccluder_ShadowFlag);
if (SkColorGetA(rec.fAmbientColor) > 0) {
SkScalar devSpaceInsetWidth = SkDrawShadowMetrics::AmbientBlurRadius(occluderHeight);
const SkScalar umbraRecipAlpha = SkDrawShadowMetrics::AmbientRecipAlpha(occluderHeight);
const SkScalar devSpaceAmbientBlur = devSpaceInsetWidth * umbraRecipAlpha;
// Outset the shadow rrect to the border of the penumbra
SkScalar ambientPathOutset = devSpaceInsetWidth * devToSrcScale;
SkRRect ambientRRect;
SkRect outsetRect = rrect.rect().makeOutset(ambientPathOutset, ambientPathOutset);
// If the rrect was an oval then its outset will also be one.
// We set it explicitly to avoid errors.
if (rrect.isOval()) {
ambientRRect = SkRRect::MakeOval(outsetRect);
} else {
SkScalar outsetRad = SkRRectPriv::GetSimpleRadii(rrect).fX + ambientPathOutset;
ambientRRect = SkRRect::MakeRectXY(outsetRect, outsetRad, outsetRad);
}
GrColor ambientColor = SkColorToPremulGrColor(rec.fAmbientColor);
if (transparent) {
// set a large inset to force a fill
devSpaceInsetWidth = ambientRRect.width();
}
std::unique_ptr<GrDrawOp> op = GrShadowRRectOp::Make(fContext,
ambientColor,
viewMatrix,
ambientRRect,
devSpaceAmbientBlur,
devSpaceInsetWidth);
if (op) {
this->addDrawOp(clip, std::move(op));
}
}
if (SkColorGetA(rec.fSpotColor) > 0) {
SkScalar devSpaceSpotBlur;
SkScalar spotScale;
SkVector spotOffset;
SkDrawShadowMetrics::GetSpotParams(occluderHeight, devLightPos.fX, devLightPos.fY,
devLightPos.fZ, rec.fLightRadius,
&devSpaceSpotBlur, &spotScale, &spotOffset);
// handle scale of radius due to CTM
const SkScalar srcSpaceSpotBlur = devSpaceSpotBlur * devToSrcScale;
// Adjust translate for the effect of the scale.
spotOffset.fX += spotScale*viewMatrix[SkMatrix::kMTransX];
spotOffset.fY += spotScale*viewMatrix[SkMatrix::kMTransY];
// This offset is in dev space, need to transform it into source space.
SkMatrix ctmInverse;
if (viewMatrix.invert(&ctmInverse)) {
ctmInverse.mapPoints(&spotOffset, 1);
} else {
// Since the matrix is a similarity, this should never happen, but just in case...
SkDebugf("Matrix is degenerate. Will not render spot shadow correctly!\n");
SkASSERT(false);
}
// Compute the transformed shadow rrect
SkRRect spotShadowRRect;
SkMatrix shadowTransform;
shadowTransform.setScaleTranslate(spotScale, spotScale, spotOffset.fX, spotOffset.fY);
rrect.transform(shadowTransform, &spotShadowRRect);
SkScalar spotRadius = SkRRectPriv::GetSimpleRadii(spotShadowRRect).fX;
// Compute the insetWidth
SkScalar blurOutset = srcSpaceSpotBlur;
SkScalar insetWidth = blurOutset;
if (transparent) {
// If transparent, just do a fill
insetWidth += spotShadowRRect.width();
} else {
// For shadows, instead of using a stroke we specify an inset from the penumbra
// border. We want to extend this inset area so that it meets up with the caster
// geometry. The inset geometry will by default already be inset by the blur width.
//
// We compare the min and max corners inset by the radius between the original
// rrect and the shadow rrect. The distance between the two plus the difference
// between the scaled radius and the original radius gives the distance from the
// transformed shadow shape to the original shape in that corner. The max
// of these gives the maximum distance we need to cover.
//
// Since we are outsetting by 1/2 the blur distance, we just add the maxOffset to
// that to get the full insetWidth.
SkScalar maxOffset;
if (rrect.isRect()) {
// Manhattan distance works better for rects
maxOffset = SkTMax(SkTMax(SkTAbs(spotShadowRRect.rect().fLeft -
rrect.rect().fLeft),
SkTAbs(spotShadowRRect.rect().fTop -
rrect.rect().fTop)),
SkTMax(SkTAbs(spotShadowRRect.rect().fRight -
rrect.rect().fRight),
SkTAbs(spotShadowRRect.rect().fBottom -
rrect.rect().fBottom)));
} else {
SkScalar dr = spotRadius - SkRRectPriv::GetSimpleRadii(rrect).fX;
SkPoint upperLeftOffset = SkPoint::Make(spotShadowRRect.rect().fLeft -
rrect.rect().fLeft + dr,
spotShadowRRect.rect().fTop -
rrect.rect().fTop + dr);
SkPoint lowerRightOffset = SkPoint::Make(spotShadowRRect.rect().fRight -
rrect.rect().fRight - dr,
spotShadowRRect.rect().fBottom -
rrect.rect().fBottom - dr);
maxOffset = SkScalarSqrt(SkTMax(SkPointPriv::LengthSqd(upperLeftOffset),
SkPointPriv::LengthSqd(lowerRightOffset))) + dr;
}
insetWidth += SkTMax(blurOutset, maxOffset);
}
// Outset the shadow rrect to the border of the penumbra
SkRect outsetRect = spotShadowRRect.rect().makeOutset(blurOutset, blurOutset);
if (spotShadowRRect.isOval()) {
spotShadowRRect = SkRRect::MakeOval(outsetRect);
} else {
SkScalar outsetRad = spotRadius + blurOutset;
spotShadowRRect = SkRRect::MakeRectXY(outsetRect, outsetRad, outsetRad);
}
GrColor spotColor = SkColorToPremulGrColor(rec.fSpotColor);
std::unique_ptr<GrDrawOp> op = GrShadowRRectOp::Make(fContext,
spotColor,
viewMatrix,
spotShadowRRect,
2.0f * devSpaceSpotBlur,
insetWidth);
if (op) {
this->addDrawOp(clip, std::move(op));
}
}
return true;
}
///////////////////////////////////////////////////////////////////////////////
bool GrRenderTargetContext::drawFilledDRRect(const GrClip& clip,
GrPaint&& paint,
GrAA aa,
const SkMatrix& viewMatrix,
const SkRRect& origOuter,
const SkRRect& origInner) {
SkASSERT(!origInner.isEmpty());
SkASSERT(!origOuter.isEmpty());
SkTCopyOnFirstWrite<SkRRect> inner(origInner), outer(origOuter);
GrAAType aaType = this->chooseAAType(aa);
if (GrAAType::kMSAA == aaType) {
return false;
}
if (GrAAType::kCoverage == aaType && SkRRectPriv::IsCircle(*inner)
&& SkRRectPriv::IsCircle(*outer)) {
auto outerR = outer->width() / 2.f;
auto innerR = inner->width() / 2.f;
auto cx = outer->getBounds().fLeft + outerR;
auto cy = outer->getBounds().fTop + outerR;
if (SkScalarNearlyEqual(cx, inner->getBounds().fLeft + innerR) &&
SkScalarNearlyEqual(cy, inner->getBounds().fTop + innerR)) {
auto avgR = (innerR + outerR) / 2.f;
auto circleBounds = SkRect::MakeLTRB(cx - avgR, cy - avgR, cx + avgR, cy + avgR);
SkStrokeRec stroke(SkStrokeRec::kFill_InitStyle);
stroke.setStrokeStyle(outerR - innerR);
auto op = GrOvalOpFactory::MakeOvalOp(fContext, std::move(paint), viewMatrix,
circleBounds, GrStyle(stroke, nullptr),
this->caps()->shaderCaps());
if (op) {
this->addDrawOp(clip, std::move(op));
return true;
}
assert_alive(paint);
}
}
GrClipEdgeType innerEdgeType, outerEdgeType;
if (GrAAType::kCoverage == aaType) {
innerEdgeType = GrClipEdgeType::kInverseFillAA;
outerEdgeType = GrClipEdgeType::kFillAA;
} else {
innerEdgeType = GrClipEdgeType::kInverseFillBW;
outerEdgeType = GrClipEdgeType::kFillBW;
}
SkMatrix inverseVM;
if (!viewMatrix.isIdentity()) {
if (!origInner.transform(viewMatrix, inner.writable())) {
return false;
}
if (!origOuter.transform(viewMatrix, outer.writable())) {
return false;
}
if (!viewMatrix.invert(&inverseVM)) {
return false;
}
} else {
inverseVM.reset();
}
const auto& caps = *this->caps()->shaderCaps();
// TODO these need to be a geometry processors
auto innerEffect = GrRRectEffect::Make(innerEdgeType, *inner, caps);
if (!innerEffect) {
return false;
}
auto outerEffect = GrRRectEffect::Make(outerEdgeType, *outer, caps);
if (!outerEffect) {
return false;
}
paint.addCoverageFragmentProcessor(std::move(innerEffect));
paint.addCoverageFragmentProcessor(std::move(outerEffect));
SkRect bounds = outer->getBounds();
if (GrAAType::kCoverage == aaType) {
bounds.outset(SK_ScalarHalf, SK_ScalarHalf);
}
this->fillRectWithLocalMatrix(clip, std::move(paint), GrAA::kNo, SkMatrix::I(), bounds,
inverseVM);
return true;
}
void GrRenderTargetContext::drawDRRect(const GrClip& clip,
GrPaint&& paint,
GrAA aa,
const SkMatrix& viewMatrix,
const SkRRect& outer,
const SkRRect& inner) {
ASSERT_SINGLE_OWNER
RETURN_IF_ABANDONED
SkDEBUGCODE(this->validate();)
GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContext", "drawDRRect", fContext);
SkASSERT(!outer.isEmpty());
SkASSERT(!inner.isEmpty());
AutoCheckFlush acf(this->drawingManager());
if (this->drawFilledDRRect(clip, std::move(paint), aa, viewMatrix, outer, inner)) {
return;
}
assert_alive(paint);
SkPath path;
path.setIsVolatile(true);
path.addRRect(inner);
path.addRRect(outer);
path.setFillType(SkPath::kEvenOdd_FillType);
this->drawShapeUsingPathRenderer(clip, std::move(paint), aa, viewMatrix, GrShape(path));
}
///////////////////////////////////////////////////////////////////////////////
void GrRenderTargetContext::drawRegion(const GrClip& clip,
GrPaint&& paint,
GrAA aa,
const SkMatrix& viewMatrix,
const SkRegion& region,
const GrStyle& style,
const GrUserStencilSettings* ss) {
ASSERT_SINGLE_OWNER
RETURN_IF_ABANDONED
SkDEBUGCODE(this->validate();)
GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContext", "drawRegion", fContext);
if (GrAA::kYes == aa) {
// GrRegionOp performs no antialiasing but is much faster, so here we check the matrix
// to see whether aa is really required.
if (!SkToBool(viewMatrix.getType() & ~(SkMatrix::kTranslate_Mask)) &&
SkScalarIsInt(viewMatrix.getTranslateX()) &&
SkScalarIsInt(viewMatrix.getTranslateY())) {
aa = GrAA::kNo;
}
}
bool complexStyle = !style.isSimpleFill();
if (complexStyle || GrAA::kYes == aa) {
SkPath path;
region.getBoundaryPath(&path);
path.setIsVolatile(true);
return this->drawPath(clip, std::move(paint), aa, viewMatrix, path, style);
}
GrAAType aaType = this->chooseAAType(GrAA::kNo);
std::unique_ptr<GrDrawOp> op = GrRegionOp::Make(fContext, std::move(paint), viewMatrix, region,
aaType, ss);
this->addDrawOp(clip, std::move(op));
}
void GrRenderTargetContext::drawOval(const GrClip& clip,
GrPaint&& paint,
GrAA aa,
const SkMatrix& viewMatrix,
const SkRect& oval,
const GrStyle& style) {
ASSERT_SINGLE_OWNER
RETURN_IF_ABANDONED
SkDEBUGCODE(this->validate();)
GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContext", "drawOval", fContext);
const SkStrokeRec& stroke = style.strokeRec();
if (oval.isEmpty() && !style.pathEffect()) {
if (stroke.getStyle() == SkStrokeRec::kFill_Style) {
return;
}
this->drawRect(clip, std::move(paint), aa, viewMatrix, oval, &style);
return;
}
AutoCheckFlush acf(this->drawingManager());
GrAAType aaType = this->chooseAAType(aa);
std::unique_ptr<GrDrawOp> op;
if (style.isSimpleFill()) {
// GrFillRRectOp has special geometry and a fragment-shader branch to conditionally evaluate
// the arc equation. This same special geometry and fragment branch also turn out to be a
// substantial optimization for drawing ovals (namely, by not evaluating the arc equation
// inside the oval's inner diamond). Given these optimizations, it's a clear win to draw
// ovals the exact same way we do round rects.
//
// However, we still don't draw true circles as round rects in coverage mode, because it can
// cause perf regressions on some platforms as compared to the dedicated circle Op.
if (GrAAType::kCoverage != aaType || oval.height() != oval.width()) {
assert_alive(paint);
op = GrFillRRectOp::Make(fContext, aaType, viewMatrix, SkRRect::MakeOval(oval),
*this->caps(), std::move(paint));
}
}
if (!op && GrAAType::kCoverage == aaType) {
assert_alive(paint);
op = GrOvalOpFactory::MakeOvalOp(fContext, std::move(paint), viewMatrix, oval, style,
this->caps()->shaderCaps());
}
if (op) {
this->addDrawOp(clip, std::move(op));
return;
}
assert_alive(paint);
this->drawShapeUsingPathRenderer(
clip, std::move(paint), aa, viewMatrix,
GrShape(SkRRect::MakeOval(oval), SkPath::kCW_Direction, 2, false, style));
}
void GrRenderTargetContext::drawArc(const GrClip& clip,
GrPaint&& paint,
GrAA aa,
const SkMatrix& viewMatrix,
const SkRect& oval,
SkScalar startAngle,
SkScalar sweepAngle,
bool useCenter,
const GrStyle& style) {
ASSERT_SINGLE_OWNER
RETURN_IF_ABANDONED
SkDEBUGCODE(this->validate();)
GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContext", "drawArc", fContext);
AutoCheckFlush acf(this->drawingManager());
GrAAType aaType = this->chooseAAType(aa);
if (GrAAType::kCoverage == aaType) {
const GrShaderCaps* shaderCaps = this->caps()->shaderCaps();
std::unique_ptr<GrDrawOp> op = GrOvalOpFactory::MakeArcOp(fContext,
std::move(paint),
viewMatrix,
oval,
startAngle,
sweepAngle,
useCenter,
style,
shaderCaps);
if (op) {
this->addDrawOp(clip, std::move(op));
return;
}
assert_alive(paint);
}
this->drawShapeUsingPathRenderer(
clip, std::move(paint), aa, viewMatrix,
GrShape::MakeArc(oval, startAngle, sweepAngle, useCenter, style));
}
void GrRenderTargetContext::drawImageLattice(const GrClip& clip,
GrPaint&& paint,
const SkMatrix& viewMatrix,
sk_sp<GrTextureProxy> image,
sk_sp<GrColorSpaceXform> csxf,
GrSamplerState::Filter filter,
std::unique_ptr<SkLatticeIter> iter,
const SkRect& dst) {
ASSERT_SINGLE_OWNER
RETURN_IF_ABANDONED
SkDEBUGCODE(this->validate();)
GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContext", "drawImageLattice", fContext);
AutoCheckFlush acf(this->drawingManager());
std::unique_ptr<GrDrawOp> op =
GrLatticeOp::MakeNonAA(fContext, std::move(paint), viewMatrix, std::move(image),
std::move(csxf), filter, std::move(iter), dst);
this->addDrawOp(clip, std::move(op));
}
void GrRenderTargetContext::drawDrawable(std::unique_ptr<SkDrawable::GpuDrawHandler> drawable,
const SkRect& bounds) {
std::unique_ptr<GrOp> op(GrDrawableOp::Make(fContext, std::move(drawable), bounds));
SkASSERT(op);
this->getRTOpList()->addOp(std::move(op), *this->caps());
}
sk_sp<GrRenderTargetContext> GrRenderTargetContext::rescale(const SkImageInfo& info,
const SkIRect& srcRect,
SkSurface::RescaleGamma rescaleGamma,
SkFilterQuality rescaleQuality) {
auto direct = fContext->priv().asDirectContext();
if (!direct) {
return nullptr;
}
if (fRenderTargetProxy->wrapsVkSecondaryCB()) {
return nullptr;
}
// We currently don't know our own alpha type, we assume it's premul if we have an alpha channel
// and opaque otherwise.
if (!GrPixelConfigIsAlphaOnly(fRenderTargetProxy->config()) &&
info.alphaType() != kPremul_SkAlphaType) {
return nullptr;
}
int srcW = srcRect.width();
int srcH = srcRect.height();
int srcX = srcRect.fLeft;
int srcY = srcRect.fTop;
sk_sp<GrSurfaceContext> srcContext = sk_ref_sp(this);
SkCanvas::SrcRectConstraint constraint = SkCanvas::kStrict_SrcRectConstraint;
if (!this->asTextureProxy()) {
GrSurfaceDesc desc;
desc.fWidth = srcW;
desc.fHeight = srcH;
desc.fConfig = fRenderTargetProxy->config();
auto sContext = direct->priv().makeDeferredSurfaceContext(
fRenderTargetProxy->backendFormat().makeTexture2D(), desc, this->origin(),
GrMipMapped::kNo, SkBackingFit::kApprox, SkBudgeted::kNo,
this->colorSpaceInfo().refColorSpace());
if (!sContext) {
return nullptr;
}
if (!sContext->copy(fRenderTargetProxy.get(), srcRect, {0, 0})) {
return nullptr;
}
srcX = 0;
srcY = 0;
constraint = SkCanvas::kFast_SrcRectConstraint;
srcContext = std::move(sContext);
}
float sx = (float)info.width() / srcW;
float sy = (float)info.height() / srcH;
// How many bilerp/bicubic steps to do in X and Y. + means upscaling, - means downscaling.
int stepsX;
int stepsY;
if (rescaleQuality > kNone_SkFilterQuality) {
stepsX = static_cast<int>((sx > 1.f) ? std::ceil(std::log2f(sx))
: std::floor(std::log2f(sx)));
stepsY = static_cast<int>((sy > 1.f) ? std::ceil(std::log2f(sy))
: std::floor(std::log2f(sy)));
} else {
stepsX = sx != 1.f;
stepsY = sy != 1.f;
}
SkASSERT(stepsX || stepsY);
// Assume we should ignore the rescale linear request if the surface has no color space since
// it's unclear how we'd linearize from an unknown color space.
if (rescaleGamma == SkSurface::RescaleGamma::kLinear &&
srcContext->colorSpaceInfo().colorSpace() &&
!srcContext->colorSpaceInfo().colorSpace()->gammaIsLinear()) {
auto cs = srcContext->colorSpaceInfo().colorSpace()->makeLinearGamma();
auto backendFormat = this->caps()->getBackendFormatFromGrColorType(GrColorType::kRGBA_F16,
GrSRGBEncoded::kNo);
auto xform = GrColorSpaceXform::Make(srcContext->colorSpaceInfo().colorSpace(),
kPremul_SkAlphaType, cs.get(), kPremul_SkAlphaType);
// We'll fall back to kRGBA_8888 if half float not supported.
auto linearRTC = fContext->priv().makeDeferredRenderTargetContextWithFallback(
backendFormat, SkBackingFit::kExact, srcW, srcH, kRGBA_half_GrPixelConfig,
std::move(cs), 1, GrMipMapped::kNo, kTopLeft_GrSurfaceOrigin);
if (!linearRTC) {
return nullptr;
}
linearRTC->drawTexture(GrNoClip(), srcContext->asTextureProxyRef(),
GrSamplerState::Filter::kNearest, SkBlendMode::kSrc,
SK_PMColor4fWHITE, SkRect::Make(srcRect), SkRect::MakeWH(srcW, srcH),
GrAA::kNo, GrQuadAAFlags::kNone, constraint, SkMatrix::I(),
std::move(xform));
srcContext = std::move(linearRTC);
srcX = 0;
srcY = 0;
constraint = SkCanvas::kFast_SrcRectConstraint;
}
while (stepsX || stepsY) {
int nextW = info.width();
int nextH = info.height();
if (stepsX < 0) {
nextW = info.width() << (-stepsX - 1);
stepsX++;
} else if (stepsX != 0) {
if (stepsX > 1) {
nextW = srcW * 2;
}
--stepsX;
}
if (stepsY < 0) {
nextH = info.height() << (-stepsY - 1);
stepsY++;
} else if (stepsY != 0) {
if (stepsY > 1) {
nextH = srcH * 2;
}
--stepsY;
}
GrBackendFormat backendFormat =
srcContext->asSurfaceProxy()->backendFormat().makeTexture2D();
GrPixelConfig config = srcContext->asSurfaceProxy()->config();
auto cs = srcContext->colorSpaceInfo().refColorSpace();
if (!stepsX && !stepsY) {
// Might as well fold conversion to final info in the last step.
backendFormat = this->caps()->getBackendFormatFromColorType(info.colorType());
config = this->caps()->getConfigFromBackendFormat(backendFormat, info.colorType());
cs = info.refColorSpace();
}
auto nextRTC = fContext->priv().makeDeferredRenderTargetContextWithFallback(
backendFormat, SkBackingFit::kExact, nextW, nextH, config, std::move(cs), 1,
GrMipMapped::kNo, kTopLeft_GrSurfaceOrigin);
if (!nextRTC) {
return nullptr;
}
auto dstRect = SkRect::MakeWH(nextW, nextH);
if (rescaleQuality == kHigh_SkFilterQuality) {
SkMatrix matrix;
matrix.setScaleTranslate((float)srcW / nextW, (float)srcH / nextH, srcX, srcY);
std::unique_ptr<GrFragmentProcessor> fp;
auto dir = GrBicubicEffect::Direction::kXY;
if (nextW == srcW) {
dir = GrBicubicEffect::Direction::kY;
} else if (nextH == srcH) {
dir = GrBicubicEffect::Direction::kX;
}
if (srcW != srcContext->width() || srcH != srcContext->height()) {
auto domain = GrTextureDomain::MakeTexelDomain(
SkIRect::MakeXYWH(srcX, srcY, srcW, srcH), GrTextureDomain::kClamp_Mode);
fp = GrBicubicEffect::Make(srcContext->asTextureProxyRef(), matrix, domain, dir,
kPremul_SkAlphaType);
} else {
fp = GrBicubicEffect::Make(srcContext->asTextureProxyRef(), matrix, dir,
kPremul_SkAlphaType);
}
GrPaint paint;
paint.addColorFragmentProcessor(std::move(fp));
paint.setPorterDuffXPFactory(SkBlendMode::kSrc);
nextRTC->drawFilledRect(GrNoClip(), std::move(paint), GrAA::kNo, SkMatrix::I(),
dstRect);
} else {
auto filter = rescaleQuality == kNone_SkFilterQuality ? GrSamplerState::Filter::kNearest
: GrSamplerState::Filter::kBilerp;
auto srcSubset = SkRect::MakeXYWH(srcX, srcY, srcW, srcH);
nextRTC->drawTexture(GrNoClip(), srcContext->asTextureProxyRef(), filter,
SkBlendMode::kSrc, SK_PMColor4fWHITE, srcSubset, dstRect,
GrAA::kNo, GrQuadAAFlags::kNone, constraint, SkMatrix::I(),
nullptr);
}
srcContext = std::move(nextRTC);
srcX = srcY = 0;
srcW = nextW;
srcH = nextH;
constraint = SkCanvas::kFast_SrcRectConstraint;
}
auto result = sk_ref_sp(srcContext->asRenderTargetContext());
SkASSERT(result);
return result;
}
void GrRenderTargetContext::asyncRescaleAndReadPixels(
const SkImageInfo& info, const SkIRect& srcRect, SkSurface::RescaleGamma rescaleGamma,
SkFilterQuality rescaleQuality, ReadPixelsCallback callback, ReadPixelsContext context) {
auto direct = fContext->priv().asDirectContext();
if (!direct) {
callback(context, nullptr, 0);
return;
}
if (fRenderTargetProxy->wrapsVkSecondaryCB()) {
callback(context, nullptr, 0);
return;
}
// We currently don't know our own alpha type, we assume it's premul if we have an alpha channel
// and opaque otherwise.
if (!GrPixelConfigIsAlphaOnly(fRenderTargetProxy->config()) &&
info.alphaType() != kPremul_SkAlphaType) {
callback(context, nullptr, 0);
return;
}
auto dstCT = SkColorTypeToGrColorType(info.colorType());
bool needsRescale = srcRect.width() != info.width() || srcRect.height() != info.height();
GrPixelConfig configOfFinalContext = fRenderTargetProxy->config();
if (needsRescale) {
auto backendFormat = this->caps()->getBackendFormatFromColorType(info.colorType());
configOfFinalContext =
this->caps()->getConfigFromBackendFormat(backendFormat, info.colorType());
}
auto readCT = this->caps()->supportedReadPixelsColorType(configOfFinalContext, dstCT);
// Fail if we can't do a CPU conversion from readCT to dstCT.
if (GrColorTypeToSkColorType(readCT) == kUnknown_SkColorType) {
callback(context, nullptr, 0);
return;
}
// Fail if readCT does not have all of readCT's color channels.
if (GrColorTypeComponentFlags(dstCT) & ~GrColorTypeComponentFlags(readCT)) {
callback(context, nullptr, 0);
return;
}
sk_sp<GrRenderTargetContext> rtc;
int x = srcRect.fLeft;
int y = srcRect.fTop;
if (needsRescale) {
rtc = this->rescale(info, srcRect, rescaleGamma, rescaleQuality);
if (!rtc) {
callback(context, nullptr, 0);
return;
}
SkASSERT(SkColorSpace::Equals(rtc->colorSpaceInfo().colorSpace(), info.colorSpace()));
SkASSERT(rtc->origin() == kTopLeft_GrSurfaceOrigin);
x = y = 0;
} else {
sk_sp<GrColorSpaceXform> xform =
GrColorSpaceXform::Make(this->colorSpaceInfo().colorSpace(), kPremul_SkAlphaType,
info.colorSpace(), info.alphaType());
// Insert a draw to a temporary surface if we need to do a y-flip or color space conversion.
if (this->origin() == kBottomLeft_GrSurfaceOrigin || xform) {
sk_sp<GrTextureProxy> texProxy = sk_ref_sp(fRenderTargetProxy->asTextureProxy());
const auto backendFormat = fRenderTargetProxy->backendFormat().makeTexture2D();
SkRect srcRectToDraw = SkRect::Make(srcRect);
// If the src is not texturable first try to make a copy to a texture.
if (!texProxy) {
GrSurfaceDesc desc;
desc.fWidth = srcRect.width();
desc.fHeight = srcRect.height();
desc.fConfig = fRenderTargetProxy->config();
auto sContext = direct->priv().makeDeferredSurfaceContext(
backendFormat, desc, this->origin(), GrMipMapped::kNo,
SkBackingFit::kApprox, SkBudgeted::kNo,
this->colorSpaceInfo().refColorSpace());
if (!sContext) {
callback(context, nullptr, 0);
return;
}
if (!sContext->copy(fRenderTargetProxy.get(), srcRect, {0, 0})) {
callback(context, nullptr, 0);
return;
}
texProxy = sk_ref_sp(sContext->asTextureProxy());
SkASSERT(texProxy);
srcRectToDraw = SkRect::MakeWH(srcRect.width(), srcRect.height());
}
rtc = direct->priv().makeDeferredRenderTargetContext(
backendFormat, SkBackingFit::kApprox, srcRect.width(), srcRect.height(),
fRenderTargetProxy->config(), info.refColorSpace(), 1, GrMipMapped::kNo,
kTopLeft_GrSurfaceOrigin);
if (!rtc) {
callback(context, nullptr, 0);
return;
}
rtc->drawTexture(GrNoClip(), std::move(texProxy), GrSamplerState::Filter::kNearest,
SkBlendMode::kSrc, SK_PMColor4fWHITE, srcRectToDraw,
SkRect::MakeWH(srcRect.width(), srcRect.height()), GrAA::kNo,
GrQuadAAFlags::kNone, SkCanvas::kFast_SrcRectConstraint, SkMatrix::I(),
std::move(xform));
x = y = 0;
} else {
rtc = sk_ref_sp(this);
}
}
return rtc->asyncReadPixels(info, x, y, callback, context);
}
void GrRenderTargetContext::asyncReadPixels(const SkImageInfo& info, int x, int y,
ReadPixelsCallback callback,
ReadPixelsContext context) {
SkASSERT(info.width() + x <= this->width());
SkASSERT(info.height() + y <= this->height());
auto direct = fContext->priv().asDirectContext();
if (!direct) {
callback(context, nullptr, 0);
return;
}
if (fRenderTargetProxy->wrapsVkSecondaryCB()) {
callback(context, nullptr, 0);
return;
}
// We currently don't know our own alpha type, we assume it's premul if we have an alpha channel
// and opaque otherwise.
if (!GrPixelConfigIsAlphaOnly(fRenderTargetProxy->config()) &&
info.alphaType() != kPremul_SkAlphaType) {
callback(context, nullptr, 0);
return;
}
auto dstCT = SkColorTypeToGrColorType(info.colorType());
auto readCT = this->caps()->supportedReadPixelsColorType(fRenderTargetProxy->config(), dstCT);
// Fail if we can't do a CPU conversion from readCT to dstCT.
if (GrColorTypeToSkColorType(readCT) == kUnknown_SkColorType) {
callback(context, nullptr, 0);
return;
}
// Fail if readCT does not have all of readCT's color channels.
if (GrColorTypeComponentFlags(dstCT) & ~GrColorTypeComponentFlags(readCT)) {
callback(context, nullptr, 0);
return;
}
if (!this->caps()->transferBufferSupport() ||
!this->caps()->transferFromOffsetAlignment(readCT)) {
SkAutoPixmapStorage pm;
pm.alloc(info);
if (!this->readPixels(info, pm.writable_addr(), pm.rowBytes(), x, y)) {
callback(context, nullptr, 0);
}
callback(context, pm.addr(), pm.rowBytes());
return;
}
size_t rowBytes = GrColorTypeBytesPerPixel(readCT) * info.width();
size_t size = rowBytes * info.height();
auto buffer = direct->priv().resourceProvider()->createBuffer(
size, GrGpuBufferType::kXferGpuToCpu, GrAccessPattern::kStream_GrAccessPattern);
if (!buffer) {
callback(context, nullptr, 0);
return;
}
this->getRTOpList()->addOp(
GrTransferFromOp::Make(fContext, SkIRect::MakeXYWH(x, y, info.width(), info.height()),
readCT, buffer, 0),
*this->caps());
struct FinishContext {
SkImageInfo fReadInfo;
SkImageInfo fDstInfo;
ReadPixelsCallback* fClientCallback;
ReadPixelsContext fClientContext;
sk_sp<GrGpuBuffer> fBuffer;
size_t fRowBytes;
};
const auto readInfo = info.makeColorType(GrColorTypeToSkColorType(readCT));
// Assumption is that the caller would like to flush. We could take a parameter or require an
// explicit flush from the caller. We'd have to have a way to defer attaching the finish
// callback to GrGpu until after the next flush that flushes our op list, though.
auto* finishContext = new FinishContext{readInfo, info, callback, context, buffer, rowBytes};
auto finishCallback = [](GrGpuFinishedContext c) {
auto context = reinterpret_cast<const FinishContext*>(c);
void* data = context->fBuffer->map();
if (!data) {
(*context->fClientCallback)(context->fClientContext, nullptr, 0);
delete context;
return;
}
SkAutoPixmapStorage pm;
const void* callbackData = data;
size_t callbackRowBytes = context->fRowBytes;
if (context->fDstInfo != context->fReadInfo) {
pm.alloc(context->fDstInfo);
SkConvertPixels(context->fDstInfo, pm.writable_addr(), pm.rowBytes(),
context->fReadInfo, data, context->fRowBytes);
callbackData = pm.addr();
callbackRowBytes = pm.rowBytes();
}
(*context->fClientCallback)(context->fClientContext, callbackData, callbackRowBytes);
if (data) {
context->fBuffer->unmap();
}
delete context;
};
GrFlushInfo flushInfo;
flushInfo.fFinishedContext = finishContext;
flushInfo.fFinishedProc = finishCallback;
this->flush(SkSurface::BackendSurfaceAccess::kNoAccess, flushInfo);
}
GrSemaphoresSubmitted GrRenderTargetContext::flush(SkSurface::BackendSurfaceAccess access,
const GrFlushInfo& info) {
ASSERT_SINGLE_OWNER
if (fContext->priv().abandoned()) {
return GrSemaphoresSubmitted::kNo;
}
SkDEBUGCODE(this->validate();)
GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContext", "flush", fContext);
return this->drawingManager()->flushSurface(fRenderTargetProxy.get(), access, info);
}
bool GrRenderTargetContext::waitOnSemaphores(int numSemaphores,
const GrBackendSemaphore waitSemaphores[]) {
ASSERT_SINGLE_OWNER
RETURN_FALSE_IF_ABANDONED
SkDEBUGCODE(this->validate();)
GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContext", "waitOnSemaphores", fContext);
AutoCheckFlush acf(this->drawingManager());
if (numSemaphores && !this->caps()->semaphoreSupport()) {
return false;
}
auto direct = fContext->priv().asDirectContext();
if (!direct) {
return false;
}
auto resourceProvider = direct->priv().resourceProvider();
for (int i = 0; i < numSemaphores; ++i) {
sk_sp<GrSemaphore> sema = resourceProvider->wrapBackendSemaphore(
waitSemaphores[i], GrResourceProvider::SemaphoreWrapType::kWillWait,
kAdopt_GrWrapOwnership);
std::unique_ptr<GrOp> waitOp(GrSemaphoreOp::MakeWait(fContext, std::move(sema),
fRenderTargetProxy.get()));
this->getRTOpList()->addWaitOp(std::move(waitOp), *this->caps());
}
return true;
}
void GrRenderTargetContext::insertEventMarker(const SkString& str) {
std::unique_ptr<GrOp> op(GrDebugMarkerOp::Make(fContext, fRenderTargetProxy.get(), str));
this->getRTOpList()->addOp(std::move(op), *this->caps());
}
const GrCaps* GrRenderTargetContext::caps() const {
return fContext->priv().caps();
}
void GrRenderTargetContext::drawPath(const GrClip& clip,
GrPaint&& paint,
GrAA aa,
const SkMatrix& viewMatrix,
const SkPath& path,
const GrStyle& style) {
ASSERT_SINGLE_OWNER
RETURN_IF_ABANDONED
SkDEBUGCODE(this->validate();)
GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContext", "drawPath", fContext);
GrShape shape(path, style);
this->drawShape(clip, std::move(paint), aa, viewMatrix, shape);
}
void GrRenderTargetContext::drawShape(const GrClip& clip,
GrPaint&& paint,
GrAA aa,
const SkMatrix& viewMatrix,
const GrShape& shape) {
ASSERT_SINGLE_OWNER
RETURN_IF_ABANDONED
SkDEBUGCODE(this->validate();)
GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContext", "drawShape", fContext);
if (shape.isEmpty()) {
if (shape.inverseFilled()) {
this->drawPaint(clip, std::move(paint), viewMatrix);
}
return;
}
AutoCheckFlush acf(this->drawingManager());
if (!shape.style().hasPathEffect()) {
GrAAType aaType = this->chooseAAType(aa);
SkRRect rrect;
// We can ignore the starting point and direction since there is no path effect.
bool inverted;
if (shape.asRRect(&rrect, nullptr, nullptr, &inverted) && !inverted) {
if (rrect.isRect()) {
this->drawRect(clip, std::move(paint), aa, viewMatrix, rrect.rect(),
&shape.style());
return;
} else if (rrect.isOval()) {
this->drawOval(clip, std::move(paint), aa, viewMatrix, rrect.rect(), shape.style());
return;
}
this->drawRRect(clip, std::move(paint), aa, viewMatrix, rrect, shape.style());
return;
} else if (GrAAType::kCoverage == aaType && shape.style().isSimpleFill() &&
viewMatrix.rectStaysRect()) {
// TODO: the rectStaysRect restriction could be lifted if we were willing to apply
// the matrix to all the points individually rather than just to the rect
SkRect rects[2];
if (shape.asNestedRects(rects)) {
// Concave AA paths are expensive - try to avoid them for special cases
std::unique_ptr<GrDrawOp> op = GrStrokeRectOp::MakeNested(
fContext, std::move(paint), viewMatrix, rects);
if (op) {
this->addDrawOp(clip, std::move(op));
}
// Returning here indicates that there is nothing to draw in this case.
return;
}
}
}
this->drawShapeUsingPathRenderer(clip, std::move(paint), aa, viewMatrix, shape);
}
bool GrRenderTargetContextPriv::drawAndStencilPath(const GrHardClip& clip,
const GrUserStencilSettings* ss,
SkRegion::Op op,
bool invert,
GrAA aa,
const SkMatrix& viewMatrix,
const SkPath& path) {
ASSERT_SINGLE_OWNER_PRIV
RETURN_FALSE_IF_ABANDONED_PRIV
SkDEBUGCODE(fRenderTargetContext->validate();)
GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContextPriv", "drawAndStencilPath",
fRenderTargetContext->fContext);
if (path.isEmpty() && path.isInverseFillType()) {
GrPaint paint;
paint.setCoverageSetOpXPFactory(op, invert);
this->stencilRect(clip, ss, std::move(paint), GrAA::kNo, SkMatrix::I(),
SkRect::MakeIWH(fRenderTargetContext->width(),
fRenderTargetContext->height()));
return true;
}
AutoCheckFlush acf(fRenderTargetContext->drawingManager());
// An Assumption here is that path renderer would use some form of tweaking
// the src color (either the input alpha or in the frag shader) to implement
// aa. If we have some future driver-mojo path AA that can do the right
// thing WRT to the blend then we'll need some query on the PR.
auto aaTypeFlags = choose_path_aa_type_flags(
aa, fRenderTargetContext->fsaaType(), *fRenderTargetContext->caps());
bool hasUserStencilSettings = !ss->isUnused();
SkIRect clipConservativeBounds;
clip.getConservativeBounds(fRenderTargetContext->width(), fRenderTargetContext->height(),
&clipConservativeBounds, nullptr);
GrShape shape(path, GrStyle::SimpleFill());
GrPathRenderer::CanDrawPathArgs canDrawArgs;
canDrawArgs.fCaps = fRenderTargetContext->caps();
canDrawArgs.fViewMatrix = &viewMatrix;
canDrawArgs.fShape = &shape;
canDrawArgs.fClipConservativeBounds = &clipConservativeBounds;
canDrawArgs.fAATypeFlags = aaTypeFlags;
SkASSERT(!fRenderTargetContext->wrapsVkSecondaryCB());
canDrawArgs.fTargetIsWrappedVkSecondaryCB = false;
canDrawArgs.fHasUserStencilSettings = hasUserStencilSettings;
// Don't allow the SW renderer
GrPathRenderer* pr = fRenderTargetContext->drawingManager()->getPathRenderer(
canDrawArgs, false, GrPathRendererChain::DrawType::kStencilAndColor);
if (!pr) {
return false;
}
GrPaint paint;
paint.setCoverageSetOpXPFactory(op, invert);
GrPathRenderer::DrawPathArgs args{fRenderTargetContext->drawingManager()->getContext(),
std::move(paint),
ss,
fRenderTargetContext,
&clip,
&clipConservativeBounds,
&viewMatrix,
&shape,
aaTypeFlags,
fRenderTargetContext->colorSpaceInfo().isLinearlyBlended()};
pr->drawPath(args);
return true;
}
SkBudgeted GrRenderTargetContextPriv::isBudgeted() const {
ASSERT_SINGLE_OWNER_PRIV
if (fRenderTargetContext->fContext->priv().abandoned()) {
return SkBudgeted::kNo;
}
SkDEBUGCODE(fRenderTargetContext->validate();)
return fRenderTargetContext->fRenderTargetProxy->isBudgeted();
}
void GrRenderTargetContext::drawShapeUsingPathRenderer(const GrClip& clip,
GrPaint&& paint,
GrAA aa,
const SkMatrix& viewMatrix,
const GrShape& originalShape) {
ASSERT_SINGLE_OWNER
RETURN_IF_ABANDONED
GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContext", "internalDrawPath", fContext);
if (!viewMatrix.isFinite() || !originalShape.bounds().isFinite()) {
return;
}
SkIRect clipConservativeBounds;
clip.getConservativeBounds(this->width(), this->height(), &clipConservativeBounds, nullptr);
GrShape tempShape;
auto aaTypeFlags = choose_path_aa_type_flags(aa, this->fsaaType(), *this->caps());
GrPathRenderer::CanDrawPathArgs canDrawArgs;
canDrawArgs.fCaps = this->caps();
canDrawArgs.fViewMatrix = &viewMatrix;
canDrawArgs.fShape = &originalShape;
canDrawArgs.fClipConservativeBounds = &clipConservativeBounds;
canDrawArgs.fTargetIsWrappedVkSecondaryCB = this->wrapsVkSecondaryCB();
canDrawArgs.fHasUserStencilSettings = false;
GrPathRenderer* pr;
static constexpr GrPathRendererChain::DrawType kType = GrPathRendererChain::DrawType::kColor;
if (originalShape.isEmpty() && !originalShape.inverseFilled()) {
return;
}
canDrawArgs.fAATypeFlags = aaTypeFlags;
// Try a 1st time without applying any of the style to the geometry (and barring sw)
pr = this->drawingManager()->getPathRenderer(canDrawArgs, false, kType);
SkScalar styleScale = GrStyle::MatrixToScaleFactor(viewMatrix);
if (!pr && originalShape.style().pathEffect()) {
// It didn't work above, so try again with the path effect applied.
tempShape = originalShape.applyStyle(GrStyle::Apply::kPathEffectOnly, styleScale);
if (tempShape.isEmpty()) {
return;
}
canDrawArgs.fShape = &tempShape;
pr = this->drawingManager()->getPathRenderer(canDrawArgs, false, kType);
}
if (!pr) {
if (canDrawArgs.fShape->style().applies()) {
tempShape = canDrawArgs.fShape->applyStyle(GrStyle::Apply::kPathEffectAndStrokeRec,
styleScale);
if (tempShape.isEmpty()) {
return;
}
canDrawArgs.fShape = &tempShape;
// This time, allow SW renderer
pr = this->drawingManager()->getPathRenderer(canDrawArgs, true, kType);
} else {
pr = this->drawingManager()->getSoftwarePathRenderer();
}
}
if (!pr) {
#ifdef SK_DEBUG
SkDebugf("Unable to find path renderer compatible with path.\n");
#endif
return;
}
GrPathRenderer::DrawPathArgs args{this->drawingManager()->getContext(),
std::move(paint),
&GrUserStencilSettings::kUnused,
this,
&clip,
&clipConservativeBounds,
&viewMatrix,
canDrawArgs.fShape,
aaTypeFlags,
this->colorSpaceInfo().isLinearlyBlended()};
pr->drawPath(args);
}
static void op_bounds(SkRect* bounds, const GrOp* op) {
*bounds = op->bounds();
if (op->hasZeroArea()) {
if (op->hasAABloat()) {
bounds->outset(0.5f, 0.5f);
} else {
// We don't know which way the particular GPU will snap lines or points at integer
// coords. So we ensure that the bounds is large enough for either snap.
SkRect before = *bounds;
bounds->roundOut(bounds);
if (bounds->fLeft == before.fLeft) {
bounds->fLeft -= 1;
}
if (bounds->fTop == before.fTop) {
bounds->fTop -= 1;
}
if (bounds->fRight == before.fRight) {
bounds->fRight += 1;
}
if (bounds->fBottom == before.fBottom) {
bounds->fBottom += 1;
}
}
}
}
void GrRenderTargetContext::addDrawOp(const GrClip& clip, std::unique_ptr<GrDrawOp> op,
const std::function<WillAddOpFn>& willAddFn) {
ASSERT_SINGLE_OWNER
if (fContext->priv().abandoned()) {
fContext->priv().opMemoryPool()->release(std::move(op));
return;
}
SkDEBUGCODE(this->validate();)
SkDEBUGCODE(op->fAddDrawOpCalled = true;)
GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContext", "addDrawOp", fContext);
// Setup clip
SkRect bounds;
op_bounds(&bounds, op.get());
GrAppliedClip appliedClip;
GrDrawOp::FixedFunctionFlags fixedFunctionFlags = op->fixedFunctionFlags();
if (!clip.apply(fContext, this, fixedFunctionFlags & GrDrawOp::FixedFunctionFlags::kUsesHWAA,
fixedFunctionFlags & GrDrawOp::FixedFunctionFlags::kUsesStencil, &appliedClip,
&bounds)) {
fContext->priv().opMemoryPool()->release(std::move(op));
return;
}
if (fixedFunctionFlags & GrDrawOp::FixedFunctionFlags::kUsesStencil ||
appliedClip.hasStencilClip()) {
if (this->caps()->performStencilClearsAsDraws()) {
// Must use an op to perform the clear of the stencil buffer before this op, but only
// have to clear the first time any draw needs it (this also ensures we don't loop
// forever when the internal stencil clear adds a draw op that has stencil settings).
if (!fRenderTargetProxy->needsStencil()) {
// Send false so that the stencil buffer is fully cleared to 0
this->internalStencilClear(GrFixedClip::Disabled(), /* inside mask */ false);
}
} else {
// Just make sure the stencil buffer is cleared before the draw op, easy to do it as
// a load at the start
this->getRTOpList()->setStencilLoadOp(GrLoadOp::kClear);
}
this->setNeedsStencil();
}
GrClampType clampType = GrPixelConfigClampType(this->colorSpaceInfo().config());
GrXferProcessor::DstProxy dstProxy;
GrProcessorSet::Analysis analysis = op->finalize(
*this->caps(), &appliedClip, this->fsaaType(), clampType);
if (analysis.requiresDstTexture()) {
if (!this->setupDstProxy(this->asRenderTargetProxy(), clip, *op, &dstProxy)) {
fContext->priv().opMemoryPool()->release(std::move(op));
return;
}
}
op->setClippedBounds(bounds);
auto opList = this->getRTOpList();
if (willAddFn) {
willAddFn(op.get(), opList->uniqueID());
}
opList->addDrawOp(std::move(op), analysis, std::move(appliedClip), dstProxy, *this->caps());
}
bool GrRenderTargetContext::setupDstProxy(GrRenderTargetProxy* rtProxy, const GrClip& clip,
const GrOp& op,
GrXferProcessor::DstProxy* dstProxy) {
// If we are wrapping a vulkan secondary command buffer, we can't make a dst copy because we
// don't actually have a VkImage to make a copy of. Additionally we don't have the power to
// start and stop the render pass in order to make the copy.
if (rtProxy->wrapsVkSecondaryCB()) {
return false;
}
if (this->caps()->textureBarrierSupport()) {
if (GrTextureProxy* texProxy = rtProxy->asTextureProxy()) {
// The render target is a texture, so we can read from it directly in the shader. The XP
// will be responsible to detect this situation and request a texture barrier.
dstProxy->setProxy(sk_ref_sp(texProxy));
dstProxy->setOffset(0, 0);
return true;
}
}
SkIRect copyRect = SkIRect::MakeWH(rtProxy->width(), rtProxy->height());
SkIRect clippedRect;
clip.getConservativeBounds(rtProxy->width(), rtProxy->height(), &clippedRect);
SkRect opBounds = op.bounds();
// If the op has aa bloating or is a infinitely thin geometry (hairline) outset the bounds by
// 0.5 pixels.
if (op.hasAABloat() || op.hasZeroArea()) {
opBounds.outset(0.5f, 0.5f);
// An antialiased/hairline draw can sometimes bleed outside of the clips bounds. For
// performance we may ignore the clip when the draw is entirely inside the clip is float
// space but will hit pixels just outside the clip when actually rasterizing.
clippedRect.outset(1, 1);
clippedRect.intersect(SkIRect::MakeWH(rtProxy->width(), rtProxy->height()));
}
SkIRect opIBounds;
opBounds.roundOut(&opIBounds);
if (!clippedRect.intersect(opIBounds)) {
#ifdef SK_DEBUG
GrCapsDebugf(this->caps(), "setupDstTexture: Missed an early reject bailing on draw.");
#endif
return false;
}
// MSAA consideration: When there is support for reading MSAA samples in the shader we could
// have per-sample dst values by making the copy multisampled.
GrSurfaceDesc desc;
bool rectsMustMatch = false;
bool disallowSubrect = false;
GrSurfaceOrigin origin;
if (!this->caps()->initDescForDstCopy(rtProxy, &desc, &origin, &rectsMustMatch,
&disallowSubrect)) {
desc.fFlags = kRenderTarget_GrSurfaceFlag;
desc.fConfig = rtProxy->config();
origin = rtProxy->origin();
}
if (!disallowSubrect) {
copyRect = clippedRect;
}
SkIPoint dstPoint, dstOffset;
SkBackingFit fit;
if (rectsMustMatch) {
desc.fWidth = rtProxy->width();
desc.fHeight = rtProxy->height();
dstPoint = {copyRect.fLeft, copyRect.fTop};
dstOffset = {0, 0};
fit = SkBackingFit::kExact;
} else {
desc.fWidth = copyRect.width();
desc.fHeight = copyRect.height();
dstPoint = {0, 0};
dstOffset = {copyRect.fLeft, copyRect.fTop};
fit = SkBackingFit::kApprox;
}
SkASSERT(rtProxy->backendFormat().textureType() == GrTextureType::k2D);
const GrBackendFormat& format = rtProxy->backendFormat();
sk_sp<GrSurfaceContext> sContext = fContext->priv().makeDeferredSurfaceContext(
format, desc, origin, GrMipMapped::kNo, fit, SkBudgeted::kYes,
sk_ref_sp(this->colorSpaceInfo().colorSpace()));
if (!sContext) {
SkDebugf("setupDstTexture: surfaceContext creation failed.\n");
return false;
}
if (!sContext->copy(rtProxy, copyRect, dstPoint)) {
SkDebugf("setupDstTexture: copy failed.\n");
return false;
}
dstProxy->setProxy(sContext->asTextureProxyRef());
dstProxy->setOffset(dstOffset);
return true;
}