blob: 13fa56fc3a5c8c05a02d4b2a0cd12d16356b5aaa [file] [log] [blame]
/*
* 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 "GrRenderTargetContext.h"
#include "GrColor.h"
#include "GrDrawOpTest.h"
#include "GrDrawingManager.h"
#include "GrFixedClip.h"
#include "GrGpuResourcePriv.h"
#include "GrPathRenderer.h"
#include "GrPipelineBuilder.h"
#include "GrRenderTarget.h"
#include "GrRenderTargetContextPriv.h"
#include "GrRenderTargetPriv.h"
#include "GrResourceProvider.h"
#include "SkSurfacePriv.h"
#include "ops/GrClearOp.h"
#include "ops/GrDrawAtlasOp.h"
#include "ops/GrDrawVerticesOp.h"
#include "ops/GrLatticeOp.h"
#include "ops/GrOp.h"
#include "ops/GrOvalOpFactory.h"
#include "ops/GrRectOpFactory.h"
#include "ops/GrRegionOp.h"
#include "ops/GrShadowRRectOp.h"
#include "effects/GrRRectEffect.h"
#include "instanced/InstancedRendering.h"
#include "text/GrAtlasTextContext.h"
#include "text/GrStencilAndCoverTextContext.h"
#include "../private/GrAuditTrail.h"
#include "SkGr.h"
#include "SkLatticeIter.h"
#include "SkMatrixPriv.h"
#define ASSERT_OWNED_RESOURCE(R) SkASSERT(!(R) || (R)->getContext() == this->drawingManager()->getContext())
#define ASSERT_SINGLE_OWNER \
SkDEBUGCODE(GrSingleOwner::AutoEnforce debug_SingleOwner(fSingleOwner);)
#define ASSERT_SINGLE_OWNER_PRIV \
SkDEBUGCODE(GrSingleOwner::AutoEnforce debug_SingleOwner(fRenderTargetContext->fSingleOwner);)
#define RETURN_IF_ABANDONED if (this->drawingManager()->wasAbandoned()) { return; }
#define RETURN_IF_ABANDONED_PRIV if (fRenderTargetContext->drawingManager()->wasAbandoned()) { return; }
#define RETURN_FALSE_IF_ABANDONED if (this->drawingManager()->wasAbandoned()) { return false; }
#define RETURN_FALSE_IF_ABANDONED_PRIV if (fRenderTargetContext->drawingManager()->wasAbandoned()) { return false; }
#define RETURN_NULL_IF_ABANDONED if (this->drawingManager()->wasAbandoned()) { return nullptr; }
using gr_instanced::InstancedRendering;
class AutoCheckFlush {
public:
AutoCheckFlush(GrDrawingManager* drawingManager) : fDrawingManager(drawingManager) {
SkASSERT(fDrawingManager);
}
~AutoCheckFlush() { fDrawingManager->flushIfNecessary(); }
private:
GrDrawingManager* fDrawingManager;
};
bool GrRenderTargetContext::wasAbandoned() const {
return this->drawingManager()->wasAbandoned();
}
// 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(GrContext* context,
GrDrawingManager* drawingMgr,
sk_sp<GrRenderTargetProxy> rtp,
sk_sp<SkColorSpace> colorSpace,
const SkSurfaceProps* surfaceProps,
GrAuditTrail* auditTrail,
GrSingleOwner* singleOwner)
: GrSurfaceContext(context, drawingMgr, std::move(colorSpace), auditTrail, singleOwner)
, fRenderTargetProxy(std::move(rtp))
, fOpList(SkSafeRef(fRenderTargetProxy->getLastRenderTargetOpList()))
, fInstancedPipelineInfo(fRenderTargetProxy.get())
, fColorXformFromSRGB(nullptr)
, fSurfaceProps(SkSurfacePropsCopyOrDefault(surfaceProps)) {
if (fColorSpace) {
// sRGB sources are very common (SkColor, etc...), so we cache that gamut transformation
auto srgbColorSpace = SkColorSpace::MakeNamed(SkColorSpace::kSRGB_Named);
fColorXformFromSRGB = GrColorSpaceXform::Make(srgbColorSpace.get(), fColorSpace.get());
}
SkDEBUGCODE(this->validate();)
}
#ifdef SK_DEBUG
void GrRenderTargetContext::validate() const {
SkASSERT(fRenderTargetProxy);
fRenderTargetProxy->validate(fContext);
if (fOpList && !fOpList->isClosed()) {
SkASSERT(fRenderTargetProxy->getLastOpList() == fOpList);
}
}
#endif
GrRenderTargetContext::~GrRenderTargetContext() {
ASSERT_SINGLE_OWNER
SkSafeUnref(fOpList);
}
GrRenderTarget* GrRenderTargetContext::instantiate() {
return fRenderTargetProxy->instantiate(fContext->textureProvider());
}
GrTextureProxy* GrRenderTargetContext::asDeferredTexture() {
return fRenderTargetProxy->asTextureProxy();
}
GrRenderTargetOpList* GrRenderTargetContext::getOpList() {
ASSERT_SINGLE_OWNER
SkDEBUGCODE(this->validate();)
if (!fOpList || fOpList->isClosed()) {
fOpList = this->drawingManager()->newOpList(fRenderTargetProxy.get());
}
return fOpList;
}
// TODO: move this (and GrTextContext::copy) to GrSurfaceContext?
bool GrRenderTargetContext::onCopy(GrSurfaceProxy* srcProxy,
const SkIRect& srcRect,
const SkIPoint& dstPoint) {
ASSERT_SINGLE_OWNER
RETURN_FALSE_IF_ABANDONED
SkDEBUGCODE(this->validate();)
GR_AUDIT_TRAIL_AUTO_FRAME(fAuditTrail, "GrRenderTargetContext::copy");
// TODO: defer instantiation until flush time
sk_sp<GrSurface> src(sk_ref_sp(srcProxy->instantiate(fContext->textureProvider())));
if (!src) {
return false;
}
// TODO: This needs to be fixed up since it ends the deferral of the GrRenderTarget.
sk_sp<GrRenderTarget> rt(
sk_ref_sp(fRenderTargetProxy->instantiate(fContext->textureProvider())));
if (!rt) {
return false;
}
return this->getOpList()->copySurface(rt.get(), src.get(), srcRect, dstPoint);
}
// TODO: move this (and GrTextureContext::onReadPixels) to GrSurfaceContext?
bool GrRenderTargetContext::onReadPixels(const SkImageInfo& dstInfo, void* dstBuffer,
size_t dstRowBytes, int x, int y) {
// TODO: teach GrRenderTarget to take ImageInfo directly to specify the src pixels
GrPixelConfig config = SkImageInfo2GrPixelConfig(dstInfo, *fContext->caps());
if (kUnknown_GrPixelConfig == config) {
return false;
}
uint32_t flags = 0;
if (kUnpremul_SkAlphaType == dstInfo.alphaType()) {
flags = GrContext::kUnpremul_PixelOpsFlag;
}
// Deferral of the VRAM resources must end in this instance anyway
sk_sp<GrRenderTarget> rt(
sk_ref_sp(fRenderTargetProxy->instantiate(fContext->textureProvider())));
if (!rt) {
return false;
}
return rt->readPixels(this->getColorSpace(), x, y, dstInfo.width(), dstInfo.height(),
config, dstInfo.colorSpace(), dstBuffer, dstRowBytes, flags);
}
// TODO: move this (and GrTextureContext::onReadPixels) to GrSurfaceContext?
bool GrRenderTargetContext::onWritePixels(const SkImageInfo& srcInfo, const void* srcBuffer,
size_t srcRowBytes, int x, int y) {
// TODO: teach GrRenderTarget to take ImageInfo directly to specify the src pixels
GrPixelConfig config = SkImageInfo2GrPixelConfig(srcInfo, *fContext->caps());
if (kUnknown_GrPixelConfig == config) {
return false;
}
uint32_t flags = 0;
if (kUnpremul_SkAlphaType == srcInfo.alphaType()) {
flags = GrContext::kUnpremul_PixelOpsFlag;
}
// Deferral of the VRAM resources must end in this instance anyway
sk_sp<GrRenderTarget> rt(
sk_ref_sp(fRenderTargetProxy->instantiate(fContext->textureProvider())));
if (!rt) {
return false;
}
return rt->writePixels(this->getColorSpace(), x, y, srcInfo.width(), srcInfo.height(),
config, srcInfo.colorSpace(), srcBuffer, srcRowBytes, flags);
}
void GrRenderTargetContext::drawText(const GrClip& clip, const SkPaint& skPaint,
const SkMatrix& viewMatrix, const char text[],
size_t byteLength, SkScalar x, SkScalar y,
const SkIRect& clipBounds) {
ASSERT_SINGLE_OWNER
RETURN_IF_ABANDONED
SkDEBUGCODE(this->validate();)
GR_AUDIT_TRAIL_AUTO_FRAME(fAuditTrail, "GrRenderTargetContext::drawText");
GrAtlasTextContext* atlasTextContext = this->drawingManager()->getAtlasTextContext();
atlasTextContext->drawText(fContext, this, clip, skPaint, viewMatrix, fSurfaceProps, text,
byteLength, x, y, clipBounds);
}
void GrRenderTargetContext::drawPosText(const GrClip& clip, const SkPaint& paint,
const SkMatrix& viewMatrix, const char text[],
size_t byteLength, const SkScalar pos[],
int scalarsPerPosition, const SkPoint& offset,
const SkIRect& clipBounds) {
ASSERT_SINGLE_OWNER
RETURN_IF_ABANDONED
SkDEBUGCODE(this->validate();)
GR_AUDIT_TRAIL_AUTO_FRAME(fAuditTrail, "GrRenderTargetContext::drawPosText");
GrAtlasTextContext* atlasTextContext = this->drawingManager()->getAtlasTextContext();
atlasTextContext->drawPosText(fContext, this, clip, paint, viewMatrix, fSurfaceProps, text,
byteLength, pos, scalarsPerPosition, offset, clipBounds);
}
void GrRenderTargetContext::drawTextBlob(const GrClip& clip, const SkPaint& paint,
const SkMatrix& viewMatrix, const SkTextBlob* blob,
SkScalar x, SkScalar y, SkDrawFilter* filter,
const SkIRect& clipBounds) {
ASSERT_SINGLE_OWNER
RETURN_IF_ABANDONED
SkDEBUGCODE(this->validate();)
GR_AUDIT_TRAIL_AUTO_FRAME(fAuditTrail, "GrRenderTargetContext::drawTextBlob");
GrAtlasTextContext* atlasTextContext = this->drawingManager()->getAtlasTextContext();
atlasTextContext->drawTextBlob(fContext, this, clip, paint, viewMatrix, fSurfaceProps, blob, x,
y, filter, clipBounds);
}
void GrRenderTargetContext::discard() {
ASSERT_SINGLE_OWNER
RETURN_IF_ABANDONED
SkDEBUGCODE(this->validate();)
GR_AUDIT_TRAIL_AUTO_FRAME(fAuditTrail, "GrRenderTargetContext::discard");
AutoCheckFlush acf(this->drawingManager());
// TODO: This needs to be fixed up since it ends the deferral of the GrRenderTarget.
sk_sp<GrRenderTarget> rt(
sk_ref_sp(fRenderTargetProxy->instantiate(fContext->textureProvider())));
if (!rt) {
return;
}
this->getOpList()->discard(this);
}
void GrRenderTargetContext::clear(const SkIRect* rect,
const GrColor color,
bool canIgnoreRect) {
ASSERT_SINGLE_OWNER
RETURN_IF_ABANDONED
SkDEBUGCODE(this->validate();)
GR_AUDIT_TRAIL_AUTO_FRAME(fAuditTrail, "GrRenderTargetContext::clear");
AutoCheckFlush acf(this->drawingManager());
this->internalClear(rect ? GrFixedClip(*rect) : GrFixedClip::Disabled(), color, canIgnoreRect);
}
void GrRenderTargetContextPriv::absClear(const SkIRect* clearRect, const GrColor color) {
ASSERT_SINGLE_OWNER_PRIV
RETURN_IF_ABANDONED_PRIV
SkDEBUGCODE(fRenderTargetContext->validate();)
GR_AUDIT_TRAIL_AUTO_FRAME(fRenderTargetContext->fAuditTrail,
"GrRenderTargetContext::absClear");
AutoCheckFlush acf(fRenderTargetContext->drawingManager());
SkIRect rtRect = SkIRect::MakeWH(fRenderTargetContext->fRenderTargetProxy->worstCaseWidth(
*fRenderTargetContext->caps()),
fRenderTargetContext->fRenderTargetProxy->worstCaseHeight(
*fRenderTargetContext->caps()));
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.
// An op-list that is initially cleared and has no other ops should receive an
// extra draw.
if (fRenderTargetContext->fContext->caps()->useDrawInsteadOfClear()) {
// This works around a driver bug with clear by drawing a rect instead.
// The driver will ignore a clear if it is the only thing rendered to a
// target before the target is read.
GrPaint paint;
paint.setColor4f(GrColor4f::FromGrColor(color));
paint.setXPFactory(GrPorterDuffXPFactory::Get(SkBlendMode::kSrc));
// We don't call drawRect() here to avoid the cropping to the, possibly smaller,
// RenderTargetProxy bounds
fRenderTargetContext->drawNonAAFilledRect(GrNoClip(), std::move(paint), SkMatrix::I(),
SkRect::Make(rtRect), nullptr, nullptr, nullptr,
GrAAType::kNone);
} else {
if (!fRenderTargetContext->accessRenderTarget()) {
return;
}
// This path doesn't handle coalescing of full screen clears b.c. it
// has to clear the entire render target - not just the content area.
// It could be done but will take more finagling.
std::unique_ptr<GrOp> op(GrClearOp::Make(
rtRect, color, fRenderTargetContext->accessRenderTarget(), !clearRect));
if (!op) {
return;
}
fRenderTargetContext->getOpList()->addOp(std::move(op), fRenderTargetContext);
}
}
void GrRenderTargetContextPriv::clear(const GrFixedClip& clip,
const GrColor color,
bool canIgnoreClip) {
ASSERT_SINGLE_OWNER_PRIV
RETURN_IF_ABANDONED_PRIV
SkDEBUGCODE(fRenderTargetContext->validate();)
GR_AUDIT_TRAIL_AUTO_FRAME(fRenderTargetContext->fAuditTrail,
"GrRenderTargetContextPriv::clear");
AutoCheckFlush acf(fRenderTargetContext->drawingManager());
fRenderTargetContext->internalClear(clip, color, canIgnoreClip);
}
void GrRenderTargetContext::internalClear(const GrFixedClip& clip,
const GrColor color,
bool canIgnoreClip) {
bool isFull = false;
if (!clip.hasWindowRectangles()) {
isFull = !clip.scissorEnabled() ||
(canIgnoreClip && fContext->caps()->fullClearIsFree()) ||
clip.scissorRect().contains(SkIRect::MakeWH(this->width(), this->height()));
}
if (fContext->caps()->useDrawInsteadOfClear()) {
// This works around a driver bug with clear by drawing a rect instead.
// The driver will ignore a clear if it is the only thing rendered to a
// target before the target is read.
SkIRect clearRect = SkIRect::MakeWH(this->width(), this->height());
if (isFull) {
this->discard();
} else if (!clearRect.intersect(clip.scissorRect())) {
return;
}
GrPaint paint;
paint.setColor4f(GrColor4f::FromGrColor(color));
paint.setXPFactory(GrPorterDuffXPFactory::Get(SkBlendMode::kSrc));
this->drawRect(clip, std::move(paint), GrAA::kNo, SkMatrix::I(), SkRect::Make(clearRect));
} else if (isFull) {
if (this->accessRenderTarget()) {
this->getOpList()->fullClear(this, color);
}
} else {
if (!this->accessRenderTarget()) {
return;
}
std::unique_ptr<GrOp> op(GrClearOp::Make(clip, color, this->accessRenderTarget()));
if (!op) {
return;
}
this->getOpList()->addOp(std::move(op), this);
}
}
void GrRenderTargetContext::drawPaint(const GrClip& clip,
GrPaint&& paint,
const SkMatrix& viewMatrix) {
ASSERT_SINGLE_OWNER
RETURN_IF_ABANDONED
SkDEBUGCODE(this->validate();)
GR_AUDIT_TRAIL_AUTO_FRAME(fAuditTrail, "GrRenderTargetContext::drawPaint");
// 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();
SkRRect rrect;
GrAA aa;
// Check if we can replace a clipRRect()/drawPaint() with a drawRRect(). We only do the
// transformation for non-rect rrects. Rects caused a performance regression on an Android
// test that needs investigation. We also skip cases where there are fragment processors
// because they may depend on having correct local coords and this path draws in device space
// without a local matrix.
if (!paint.numTotalFragmentProcessors() && clip.isRRect(r, &rrect, &aa) && !rrect.isRect()) {
this->drawRRect(GrNoClip(), std::move(paint), aa, SkMatrix::I(), rrect,
GrStyle::SimpleFill());
return;
}
bool isPerspective = viewMatrix.hasPerspective();
// We attempt to map r by the inverse matrix and draw that. mapRect will
// map the four corners and bound them with a new rect. This will not
// produce a correct result for some perspective matrices.
if (!isPerspective) {
if (!SkMatrixPriv::InverseMapRect(viewMatrix, &r, r)) {
SkDebugf("Could not invert matrix\n");
return;
}
this->drawRect(clip, std::move(paint), GrAA::kNo, viewMatrix, r);
} else {
SkMatrix localMatrix;
if (!viewMatrix.invert(&localMatrix)) {
SkDebugf("Could not invert matrix\n");
return;
}
AutoCheckFlush acf(this->drawingManager());
this->drawNonAAFilledRect(clip, std::move(paint), SkMatrix::I(), r, nullptr, &localMatrix,
nullptr, GrAAType::kNone);
}
}
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;
}
static bool view_matrix_ok_for_aa_fill_rect(const SkMatrix& viewMatrix) {
return viewMatrix.preservesRightAngles();
}
// 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;
}
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;
}
return true;
}
return rect->intersect(clipBounds);
}
bool GrRenderTargetContext::drawFilledRect(const GrClip& clip,
GrPaint&& paint,
GrAA aa,
const SkMatrix& viewMatrix,
const SkRect& rect,
const GrUserStencilSettings* ss) {
SkRect croppedRect = rect;
if (!crop_filled_rect(this->width(), this->height(), clip, viewMatrix, &croppedRect)) {
return true;
}
std::unique_ptr<GrDrawOp> op;
GrAAType aaType;
if (GrCaps::InstancedSupport::kNone != fContext->caps()->instancedSupport()) {
InstancedRendering* ir = this->getOpList()->instancedRendering();
op = ir->recordRect(croppedRect, viewMatrix, paint.getColor(), aa, fInstancedPipelineInfo,
&aaType);
if (op) {
GrPipelineBuilder pipelineBuilder(std::move(paint), aaType);
if (ss) {
pipelineBuilder.setUserStencil(ss);
}
this->getOpList()->addDrawOp(pipelineBuilder, this, clip, std::move(op));
return true;
}
}
aaType = this->decideAAType(aa);
if (GrAAType::kCoverage == aaType) {
// The fill path can handle rotation but not skew.
if (view_matrix_ok_for_aa_fill_rect(viewMatrix)) {
SkRect devBoundRect;
viewMatrix.mapRect(&devBoundRect, croppedRect);
op = GrRectOpFactory::MakeAAFill(paint, viewMatrix, rect, croppedRect, devBoundRect);
if (op) {
GrPipelineBuilder pipelineBuilder(std::move(paint), aaType);
if (ss) {
pipelineBuilder.setUserStencil(ss);
}
this->getOpList()->addDrawOp(pipelineBuilder, this, clip, std::move(op));
return true;
}
}
} else {
this->drawNonAAFilledRect(clip, std::move(paint), viewMatrix, croppedRect, nullptr, nullptr,
ss, aaType);
return true;
}
return false;
}
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_AUDIT_TRAIL_AUTO_FRAME(fAuditTrail, "GrRenderTargetContext::drawRect");
// 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) {
if (!fContext->caps()->useDrawInsteadOfClear()) {
// Check if this is a full RT draw and can be replaced with a clear. We don't bother
// checking cases where the RT is fully inside a stroke.
SkRect rtRect = fRenderTargetProxy->getBoundsRect();
// Does the clip contain the entire RT?
if (clip.quickContains(rtRect)) {
SkMatrix invM;
if (!viewMatrix.invert(&invM)) {
return;
}
// Does the rect bound the RT?
SkPoint srcSpaceRTQuad[4];
invM.mapRectToQuad(srcSpaceRTQuad, rtRect);
if (rect_contains_inclusive(rect, srcSpaceRTQuad[0]) &&
rect_contains_inclusive(rect, srcSpaceRTQuad[1]) &&
rect_contains_inclusive(rect, srcSpaceRTQuad[2]) &&
rect_contains_inclusive(rect, srcSpaceRTQuad[3])) {
// Will it blend?
GrColor clearColor;
if (paint.isConstantBlendedColor(&clearColor)) {
this->clear(nullptr, clearColor, true);
return;
}
}
}
}
if (this->drawFilledRect(clip, std::move(paint), aa, viewMatrix, rect, nullptr)) {
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;
}
}
bool snapToPixelCenters = false;
std::unique_ptr<GrDrawOp> op;
GrColor color = paint.getColor();
GrAAType aaType = this->decideAAType(aa);
if (GrAAType::kCoverage == aaType) {
// The stroke path needs the rect to remain axis aligned (no rotation or skew).
if (viewMatrix.rectStaysRect()) {
op = GrRectOpFactory::MakeAAStroke(color, viewMatrix, rect, stroke);
}
} else {
// Depending on sub-pixel coordinates and the particular GPU, we may lose a corner of
// hairline rects. We jam all the vertices to pixel centers to avoid this, but not
// when MSAA is enabled because it can cause ugly artifacts.
snapToPixelCenters = stroke.getStyle() == SkStrokeRec::kHairline_Style &&
!fRenderTargetProxy->isUnifiedMultisampled();
op = GrRectOpFactory::MakeNonAAStroke(color, viewMatrix, rect, stroke,
snapToPixelCenters);
}
if (op) {
GrPipelineBuilder pipelineBuilder(std::move(paint), aaType);
pipelineBuilder.setSnapVerticesToPixelCenters(snapToPixelCenters);
this->getOpList()->addDrawOp(pipelineBuilder, this, clip, std::move(op));
return;
}
}
SkPath path;
path.setIsVolatile(true);
path.addRect(rect);
this->internalDrawPath(clip, std::move(paint), aa, viewMatrix, path, *style);
}
int GrRenderTargetContextPriv::maxWindowRectangles() const {
return fRenderTargetContext->fRenderTargetProxy->maxWindowRectangles(
*fRenderTargetContext->fContext->caps());
}
void GrRenderTargetContextPriv::clearStencilClip(const GrFixedClip& clip, bool insideStencilMask) {
ASSERT_SINGLE_OWNER_PRIV
RETURN_IF_ABANDONED_PRIV
SkDEBUGCODE(fRenderTargetContext->validate();)
GR_AUDIT_TRAIL_AUTO_FRAME(fRenderTargetContext->fAuditTrail,
"GrRenderTargetContextPriv::clearStencilClip");
AutoCheckFlush acf(fRenderTargetContext->drawingManager());
// TODO: This needs to be fixed up since it ends the deferral of the GrRenderTarget.
if (!fRenderTargetContext->accessRenderTarget()) {
return;
}
fRenderTargetContext->getOpList()->clearStencilClip(clip, insideStencilMask,
fRenderTargetContext);
}
void GrRenderTargetContextPriv::stencilPath(const GrClip& clip,
GrAAType aaType,
const SkMatrix& viewMatrix,
const GrPath* path) {
SkASSERT(aaType != GrAAType::kCoverage);
fRenderTargetContext->getOpList()->stencilPath(fRenderTargetContext, clip, aaType, viewMatrix,
path);
}
void GrRenderTargetContextPriv::stencilRect(const GrClip& clip,
const GrUserStencilSettings* ss,
GrAAType aaType,
const SkMatrix& viewMatrix,
const SkRect& rect) {
ASSERT_SINGLE_OWNER_PRIV
RETURN_IF_ABANDONED_PRIV
SkDEBUGCODE(fRenderTargetContext->validate();)
GR_AUDIT_TRAIL_AUTO_FRAME(fRenderTargetContext->fAuditTrail,
"GrRenderTargetContext::stencilRect");
SkASSERT(GrAAType::kCoverage != aaType);
AutoCheckFlush acf(fRenderTargetContext->drawingManager());
GrPaint paint;
paint.setXPFactory(GrDisableColorXPFactory::Get());
fRenderTargetContext->drawNonAAFilledRect(clip, std::move(paint), viewMatrix, rect, nullptr,
nullptr, ss, aaType);
}
bool GrRenderTargetContextPriv::drawAndStencilRect(const GrClip& clip,
const GrUserStencilSettings* ss,
SkRegion::Op op,
bool invert,
GrAA aa,
const SkMatrix& viewMatrix,
const SkRect& rect) {
ASSERT_SINGLE_OWNER_PRIV
RETURN_FALSE_IF_ABANDONED_PRIV
SkDEBUGCODE(fRenderTargetContext->validate();)
GR_AUDIT_TRAIL_AUTO_FRAME(fRenderTargetContext->fAuditTrail,
"GrRenderTargetContext::drawAndStencilRect");
AutoCheckFlush acf(fRenderTargetContext->drawingManager());
GrPaint paint;
paint.setCoverageSetOpXPFactory(op, invert);
if (fRenderTargetContext->drawFilledRect(clip, std::move(paint), aa, viewMatrix, rect, ss)) {
return true;
}
SkPath path;
path.setIsVolatile(true);
path.addRect(rect);
return this->drawAndStencilPath(clip, ss, op, invert, aa, viewMatrix, path);
}
void GrRenderTargetContext::fillRectToRect(const GrClip& clip,
GrPaint&& paint,
GrAA aa,
const SkMatrix& viewMatrix,
const SkRect& rectToDraw,
const SkRect& localRect) {
ASSERT_SINGLE_OWNER
RETURN_IF_ABANDONED
SkDEBUGCODE(this->validate();)
GR_AUDIT_TRAIL_AUTO_FRAME(fAuditTrail, "GrRenderTargetContext::fillRectToRect");
SkRect croppedRect = rectToDraw;
SkRect croppedLocalRect = localRect;
if (!crop_filled_rect(this->width(), this->height(), clip, viewMatrix,
&croppedRect, &croppedLocalRect)) {
return;
}
AutoCheckFlush acf(this->drawingManager());
GrAAType aaType;
if (GrCaps::InstancedSupport::kNone != fContext->caps()->instancedSupport()) {
InstancedRendering* ir = this->getOpList()->instancedRendering();
std::unique_ptr<GrDrawOp> op(ir->recordRect(croppedRect, viewMatrix, paint.getColor(),
croppedLocalRect, aa, fInstancedPipelineInfo,
&aaType));
if (op) {
GrPipelineBuilder pipelineBuilder(std::move(paint), aaType);
this->getOpList()->addDrawOp(pipelineBuilder, this, clip, std::move(op));
return;
}
}
aaType = this->decideAAType(aa);
if (GrAAType::kCoverage != aaType) {
this->drawNonAAFilledRect(clip, std::move(paint), viewMatrix, croppedRect,
&croppedLocalRect, nullptr, nullptr, aaType);
return;
}
if (view_matrix_ok_for_aa_fill_rect(viewMatrix)) {
std::unique_ptr<GrDrawOp> op = GrAAFillRectOp::MakeWithLocalRect(
paint.getColor(), viewMatrix, croppedRect, croppedLocalRect);
GrPipelineBuilder pipelineBuilder(std::move(paint), aaType);
this->addDrawOp(pipelineBuilder, clip, std::move(op));
return;
}
SkMatrix viewAndUnLocalMatrix;
if (!viewAndUnLocalMatrix.setRectToRect(localRect, rectToDraw, SkMatrix::kFill_ScaleToFit)) {
SkDebugf("fillRectToRect called with empty local matrix.\n");
return;
}
viewAndUnLocalMatrix.postConcat(viewMatrix);
SkPath path;
path.setIsVolatile(true);
path.addRect(localRect);
this->internalDrawPath(clip, std::move(paint), aa, viewAndUnLocalMatrix, path, GrStyle());
}
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_AUDIT_TRAIL_AUTO_FRAME(fAuditTrail, "GrRenderTargetContext::fillRectWithLocalMatrix");
SkRect croppedRect = rectToDraw;
if (!crop_filled_rect(this->width(), this->height(), clip, viewMatrix, &croppedRect)) {
return;
}
AutoCheckFlush acf(this->drawingManager());
GrAAType aaType;
if (GrCaps::InstancedSupport::kNone != fContext->caps()->instancedSupport()) {
InstancedRendering* ir = this->getOpList()->instancedRendering();
std::unique_ptr<GrDrawOp> op(ir->recordRect(croppedRect, viewMatrix, paint.getColor(),
localMatrix, aa, fInstancedPipelineInfo,
&aaType));
if (op) {
GrPipelineBuilder pipelineBuilder(std::move(paint), aaType);
this->getOpList()->addDrawOp(pipelineBuilder, this, clip, std::move(op));
return;
}
}
aaType = this->decideAAType(aa);
if (GrAAType::kCoverage != aaType) {
this->drawNonAAFilledRect(clip, std::move(paint), viewMatrix, croppedRect, nullptr,
&localMatrix, nullptr, aaType);
return;
}
if (view_matrix_ok_for_aa_fill_rect(viewMatrix)) {
std::unique_ptr<GrDrawOp> op =
GrAAFillRectOp::Make(paint.getColor(), viewMatrix, localMatrix, croppedRect);
GrPipelineBuilder pipelineBuilder(std::move(paint), aaType);
this->getOpList()->addDrawOp(pipelineBuilder, this, clip, std::move(op));
return;
}
SkMatrix viewAndUnLocalMatrix;
if (!localMatrix.invert(&viewAndUnLocalMatrix)) {
SkDebugf("fillRectWithLocalMatrix called with degenerate local matrix.\n");
return;
}
viewAndUnLocalMatrix.postConcat(viewMatrix);
SkPath path;
path.setIsVolatile(true);
path.addRect(rectToDraw);
path.transform(localMatrix);
this->internalDrawPath(clip, std::move(paint), aa, viewAndUnLocalMatrix, path, GrStyle());
}
void GrRenderTargetContext::drawVertices(const GrClip& clip,
GrPaint&& paint,
const SkMatrix& viewMatrix,
GrPrimitiveType primitiveType,
int vertexCount,
const SkPoint positions[],
const SkPoint texCoords[],
const uint32_t colors[],
const uint16_t indices[],
int indexCount,
ColorArrayType colorArrayType) {
ASSERT_SINGLE_OWNER
RETURN_IF_ABANDONED
SkDEBUGCODE(this->validate();)
GR_AUDIT_TRAIL_AUTO_FRAME(fAuditTrail, "GrRenderTargetContext::drawVertices");
AutoCheckFlush acf(this->drawingManager());
// TODO clients should give us bounds
SkRect bounds;
if (!bounds.setBoundsCheck(positions, vertexCount)) {
SkDebugf("drawVertices call empty bounds\n");
return;
}
viewMatrix.mapRect(&bounds);
std::unique_ptr<GrDrawOp> op = GrDrawVerticesOp::Make(
paint.getColor(), primitiveType, viewMatrix, positions, vertexCount, indices,
indexCount, colors, texCoords, bounds, colorArrayType);
GrPipelineBuilder pipelineBuilder(std::move(paint), GrAAType::kNone);
this->getOpList()->addDrawOp(pipelineBuilder, this, 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_AUDIT_TRAIL_AUTO_FRAME(fAuditTrail, "GrRenderTargetContext::drawAtlas");
AutoCheckFlush acf(this->drawingManager());
std::unique_ptr<GrDrawOp> op =
GrDrawAtlasOp::Make(paint.getColor(), viewMatrix, spriteCount, xform, texRect, colors);
GrPipelineBuilder pipelineBuilder(std::move(paint), GrAAType::kNone);
this->getOpList()->addDrawOp(pipelineBuilder, this, 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_AUDIT_TRAIL_AUTO_FRAME(fAuditTrail, "GrRenderTargetContext::drawRRect");
if (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.
SkRRect devRRect;
if (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());
const SkStrokeRec stroke = style.strokeRec();
GrAAType aaType;
if (GrCaps::InstancedSupport::kNone != fContext->caps()->instancedSupport() &&
stroke.isFillStyle()) {
InstancedRendering* ir = this->getOpList()->instancedRendering();
std::unique_ptr<GrDrawOp> op(ir->recordRRect(rrect, viewMatrix, paint.getColor(), aa,
fInstancedPipelineInfo, &aaType));
if (op) {
GrPipelineBuilder pipelineBuilder(std::move(paint), aaType);
this->getOpList()->addDrawOp(pipelineBuilder, this, *clip, std::move(op));
return;
}
}
aaType = this->decideAAType(aa);
if (GrAAType::kCoverage == aaType) {
const GrShaderCaps* shaderCaps = fContext->caps()->shaderCaps();
std::unique_ptr<GrDrawOp> op = GrOvalOpFactory::MakeRRectOp(paint.getColor(),
paint.usesDistanceVectorField(),
viewMatrix,
rrect,
stroke,
shaderCaps);
if (op) {
GrPipelineBuilder pipelineBuilder(std::move(paint), aaType);
this->getOpList()->addDrawOp(pipelineBuilder, this, *clip, std::move(op));
return;
}
}
SkPath path;
path.setIsVolatile(true);
path.addRRect(rrect);
this->internalDrawPath(*clip, std::move(paint), aa, viewMatrix, path, style);
}
///////////////////////////////////////////////////////////////////////////////
void GrRenderTargetContext::drawShadowRRect(const GrClip& clip,
GrPaint&& paint,
const SkMatrix& viewMatrix,
const SkRRect& rrect,
SkScalar blurRadius,
const GrStyle& style) {
ASSERT_SINGLE_OWNER
RETURN_IF_ABANDONED
SkDEBUGCODE(this->validate();)
GR_AUDIT_TRAIL_AUTO_FRAME(fAuditTrail, "GrRenderTargetContext::drawShadowRRect");
if (rrect.isEmpty()) {
return;
}
SkASSERT(!style.pathEffect()); // this should've been devolved to a path in SkGpuDevice
AutoCheckFlush acf(this->drawingManager());
const SkStrokeRec stroke = style.strokeRec();
// TODO: add instancing support?
const GrShaderCaps* shaderCaps = fContext->caps()->shaderCaps();
std::unique_ptr<GrDrawOp> op = GrShadowRRectOp::Make(paint.getColor(), viewMatrix, rrect,
blurRadius, stroke, shaderCaps);
if (op) {
GrPipelineBuilder pipelineBuilder(std::move(paint), GrAAType::kNone);
this->getOpList()->addDrawOp(pipelineBuilder, this, clip, std::move(op));
return;
}
}
///////////////////////////////////////////////////////////////////////////////
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());
GrAAType aaType;
if (GrCaps::InstancedSupport::kNone != fContext->caps()->instancedSupport()) {
InstancedRendering* ir = this->getOpList()->instancedRendering();
std::unique_ptr<GrDrawOp> op(ir->recordDRRect(origOuter, origInner, viewMatrix,
paint.getColor(), aa, fInstancedPipelineInfo,
&aaType));
if (op) {
GrPipelineBuilder pipelineBuilder(std::move(paint), aaType);
this->getOpList()->addDrawOp(pipelineBuilder, this, clip, std::move(op));
return true;
}
}
aaType = this->decideAAType(aa);
GrPrimitiveEdgeType innerEdgeType, outerEdgeType;
if (GrAAType::kCoverage == aaType) {
innerEdgeType = kInverseFillAA_GrProcessorEdgeType;
outerEdgeType = kFillAA_GrProcessorEdgeType;
} else {
innerEdgeType = kInverseFillBW_GrProcessorEdgeType;
outerEdgeType = kFillBW_GrProcessorEdgeType;
}
SkTCopyOnFirstWrite<SkRRect> inner(origInner), outer(origOuter);
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();
}
// TODO these need to be a geometry processors
sk_sp<GrFragmentProcessor> innerEffect(GrRRectEffect::Make(innerEdgeType, *inner));
if (!innerEffect) {
return false;
}
sk_sp<GrFragmentProcessor> outerEffect(GrRRectEffect::Make(outerEdgeType, *outer));
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_AUDIT_TRAIL_AUTO_FRAME(fAuditTrail, "GrRenderTargetContext::drawDRRect");
SkASSERT(!outer.isEmpty());
SkASSERT(!inner.isEmpty());
AutoCheckFlush acf(this->drawingManager());
if (this->drawFilledDRRect(clip, std::move(paint), aa, viewMatrix, outer, inner)) {
return;
}
SkPath path;
path.setIsVolatile(true);
path.addRRect(inner);
path.addRRect(outer);
path.setFillType(SkPath::kEvenOdd_FillType);
this->internalDrawPath(clip, std::move(paint), aa, viewMatrix, path, GrStyle::SimpleFill());
}
///////////////////////////////////////////////////////////////////////////////
static inline bool is_int(float x) {
return x == (float) sk_float_round2int(x);
}
void GrRenderTargetContext::drawRegion(const GrClip& clip,
GrPaint&& paint,
GrAA aa,
const SkMatrix& viewMatrix,
const SkRegion& region,
const GrStyle& style) {
ASSERT_SINGLE_OWNER
RETURN_IF_ABANDONED
SkDEBUGCODE(this->validate();)
GR_AUDIT_TRAIL_AUTO_FRAME(fAuditTrail, "GrRenderTargetContext::drawRegion");
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)) &&
is_int(viewMatrix.getTranslateX()) &&
is_int(viewMatrix.getTranslateY())) {
aa = GrAA::kNo;
}
}
bool complexStyle = !style.isSimpleFill();
if (complexStyle || GrAA::kYes == aa) {
SkPath path;
region.getBoundaryPath(&path);
return this->drawPath(clip, std::move(paint), aa, viewMatrix, path, style);
}
std::unique_ptr<GrDrawOp> op = GrRegionOp::Make(paint.getColor(), viewMatrix, region);
GrPipelineBuilder pipelineBuilder(std::move(paint), GrAAType::kNone);
this->getOpList()->addDrawOp(pipelineBuilder, this, 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_AUDIT_TRAIL_AUTO_FRAME(fAuditTrail, "GrRenderTargetContext::drawOval");
if (oval.isEmpty()) {
return;
}
SkASSERT(!style.pathEffect()); // this should've been devolved to a path in SkGpuDevice
AutoCheckFlush acf(this->drawingManager());
const SkStrokeRec& stroke = style.strokeRec();
GrAAType aaType;
if (GrCaps::InstancedSupport::kNone != fContext->caps()->instancedSupport() &&
stroke.isFillStyle()) {
InstancedRendering* ir = this->getOpList()->instancedRendering();
std::unique_ptr<GrDrawOp> op(ir->recordOval(oval, viewMatrix, paint.getColor(), aa,
fInstancedPipelineInfo, &aaType));
if (op) {
GrPipelineBuilder pipelineBuilder(std::move(paint), aaType);
this->getOpList()->addDrawOp(pipelineBuilder, this, clip, std::move(op));
return;
}
}
aaType = this->decideAAType(aa);
if (GrAAType::kCoverage == aaType) {
const GrShaderCaps* shaderCaps = fContext->caps()->shaderCaps();
std::unique_ptr<GrDrawOp> op =
GrOvalOpFactory::MakeOvalOp(paint.getColor(), viewMatrix, oval, stroke, shaderCaps);
if (op) {
GrPipelineBuilder pipelineBuilder(std::move(paint), aaType);
this->getOpList()->addDrawOp(pipelineBuilder, this, clip, std::move(op));
return;
}
}
SkPath path;
path.setIsVolatile(true);
path.addOval(oval);
this->internalDrawPath(clip, std::move(paint), aa, viewMatrix, path, 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) {
GrAAType aaType = this->decideAAType(aa);
if (GrAAType::kCoverage == aaType) {
const GrShaderCaps* shaderCaps = fContext->caps()->shaderCaps();
std::unique_ptr<GrDrawOp> op = GrOvalOpFactory::MakeArcOp(paint.getColor(),
viewMatrix,
oval,
startAngle,
sweepAngle,
useCenter,
style,
shaderCaps);
if (op) {
GrPipelineBuilder pipelineBuilder(std::move(paint), aaType);
this->getOpList()->addDrawOp(pipelineBuilder, this, clip, std::move(op));
return;
}
}
SkPath path;
SkPathPriv::CreateDrawArcPath(&path, oval, startAngle, sweepAngle, useCenter,
style.isSimpleFill());
this->internalDrawPath(clip, std::move(paint), aa, viewMatrix, path, style);
}
void GrRenderTargetContext::drawImageLattice(const GrClip& clip,
GrPaint&& paint,
const SkMatrix& viewMatrix,
int imageWidth,
int imageHeight,
std::unique_ptr<SkLatticeIter> iter,
const SkRect& dst) {
ASSERT_SINGLE_OWNER
RETURN_IF_ABANDONED
SkDEBUGCODE(this->validate();)
GR_AUDIT_TRAIL_AUTO_FRAME(fAuditTrail, "GrRenderTargetContext::drawImageLattice");
AutoCheckFlush acf(this->drawingManager());
std::unique_ptr<GrDrawOp> op = GrLatticeOp::MakeNonAA(paint.getColor(), viewMatrix, imageWidth,
imageHeight, std::move(iter), dst);
GrPipelineBuilder pipelineBuilder(std::move(paint), GrAAType::kNone);
this->getOpList()->addDrawOp(pipelineBuilder, this, clip, std::move(op));
}
void GrRenderTargetContext::prepareForExternalIO() {
ASSERT_SINGLE_OWNER
RETURN_IF_ABANDONED
SkDEBUGCODE(this->validate();)
GR_AUDIT_TRAIL_AUTO_FRAME(fAuditTrail, "GrRenderTargetContext::prepareForExternalIO");
// Deferral of the VRAM resources must end in this instance anyway
sk_sp<GrRenderTarget> rt(
sk_ref_sp(fRenderTargetProxy->instantiate(fContext->textureProvider())));
if (!rt) {
return;
}
ASSERT_OWNED_RESOURCE(rt);
this->drawingManager()->prepareSurfaceForExternalIO(rt.get());
}
void GrRenderTargetContext::drawNonAAFilledRect(const GrClip& clip,
GrPaint&& paint,
const SkMatrix& viewMatrix,
const SkRect& rect,
const SkRect* localRect,
const SkMatrix* localMatrix,
const GrUserStencilSettings* ss,
GrAAType hwOrNoneAAType) {
SkASSERT(GrAAType::kCoverage != hwOrNoneAAType);
SkASSERT(hwOrNoneAAType == GrAAType::kNone || this->isStencilBufferMultisampled());
std::unique_ptr<GrDrawOp> op = GrRectOpFactory::MakeNonAAFill(paint.getColor(), viewMatrix,
rect, localRect, localMatrix);
GrPipelineBuilder pipelineBuilder(std::move(paint), hwOrNoneAAType);
if (ss) {
pipelineBuilder.setUserStencil(ss);
}
this->getOpList()->addDrawOp(pipelineBuilder, this, clip, std::move(op));
}
// Can 'path' be drawn as a pair of filled nested rectangles?
static bool fills_as_nested_rects(const SkMatrix& viewMatrix, const SkPath& path, SkRect rects[2]) {
if (path.isInverseFillType()) {
return false;
}
// TODO: this restriction could be lifted if we were willing to apply
// the matrix to all the points individually rather than just to the rect
if (!viewMatrix.rectStaysRect()) {
return false;
}
SkPath::Direction dirs[2];
if (!path.isNestedFillRects(rects, dirs)) {
return false;
}
if (SkPath::kWinding_FillType == path.getFillType() && dirs[0] == dirs[1]) {
// The two rects need to be wound opposite to each other
return false;
}
// Right now, nested rects where the margin is not the same width
// all around do not render correctly
const SkScalar* outer = rects[0].asScalars();
const SkScalar* inner = rects[1].asScalars();
bool allEq = true;
SkScalar margin = SkScalarAbs(outer[0] - inner[0]);
bool allGoE1 = margin >= SK_Scalar1;
for (int i = 1; i < 4; ++i) {
SkScalar temp = SkScalarAbs(outer[i] - inner[i]);
if (temp < SK_Scalar1) {
allGoE1 = false;
}
if (!SkScalarNearlyEqual(margin, temp)) {
allEq = false;
}
}
return allEq || allGoE1;
}
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_AUDIT_TRAIL_AUTO_FRAME(fAuditTrail, "GrRenderTargetContext::drawPath");
if (path.isEmpty()) {
if (path.isInverseFillType()) {
this->drawPaint(clip, std::move(paint), viewMatrix);
}
return;
}
AutoCheckFlush acf(this->drawingManager());
GrAAType aaType = this->decideAAType(aa);
if (GrAAType::kCoverage == aaType && !style.pathEffect()) {
if (style.isSimpleFill() && !path.isConvex()) {
// Concave AA paths are expensive - try to avoid them for special cases
SkRect rects[2];
if (fills_as_nested_rects(viewMatrix, path, rects)) {
std::unique_ptr<GrDrawOp> op =
GrRectOpFactory::MakeAAFillNestedRects(paint.getColor(), viewMatrix, rects);
if (op) {
GrPipelineBuilder pipelineBuilder(std::move(paint), aaType);
this->getOpList()->addDrawOp(pipelineBuilder, this, clip, std::move(op));
}
return;
}
}
SkRect ovalRect;
bool isOval = path.isOval(&ovalRect);
if (isOval && !path.isInverseFillType()) {
const GrShaderCaps* shaderCaps = fContext->caps()->shaderCaps();
std::unique_ptr<GrDrawOp> op = GrOvalOpFactory::MakeOvalOp(
paint.getColor(), viewMatrix, ovalRect, style.strokeRec(), shaderCaps);
if (op) {
GrPipelineBuilder pipelineBuilder(std::move(paint), aaType);
this->getOpList()->addDrawOp(pipelineBuilder, this, clip, std::move(op));
return;
}
}
}
// Note that internalDrawPath may sw-rasterize the path into a scratch texture.
// Scratch textures can be recycled after they are returned to the texture
// cache. This presents a potential hazard for buffered drawing. However,
// the writePixels that uploads to the scratch will perform a flush so we're
// OK.
this->internalDrawPath(clip, std::move(paint), aa, viewMatrix, path, style);
}
bool GrRenderTargetContextPriv::drawAndStencilPath(const GrClip& 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_AUDIT_TRAIL_AUTO_FRAME(fRenderTargetContext->fAuditTrail,
"GrRenderTargetContextPriv::drawAndStencilPath");
if (path.isEmpty() && path.isInverseFillType()) {
this->drawAndStencilRect(clip, ss, op, invert, 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.
GrAAType aaType = fRenderTargetContext->decideAAType(aa);
bool hasUserStencilSettings = !ss->isUnused();
GrShape shape(path, GrStyle::SimpleFill());
GrPathRenderer::CanDrawPathArgs canDrawArgs;
canDrawArgs.fShaderCaps =
fRenderTargetContext->drawingManager()->getContext()->caps()->shaderCaps();
canDrawArgs.fViewMatrix = &viewMatrix;
canDrawArgs.fShape = &shape;
canDrawArgs.fAAType = aaType;
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()->resourceProvider(),
std::move(paint),
ss,
fRenderTargetContext,
&clip,
&viewMatrix,
&shape,
aaType,
fRenderTargetContext->isGammaCorrect()};
pr->drawPath(args);
return true;
}
SkBudgeted GrRenderTargetContextPriv::isBudgeted() const {
ASSERT_SINGLE_OWNER_PRIV
if (fRenderTargetContext->wasAbandoned()) {
return SkBudgeted::kNo;
}
SkDEBUGCODE(fRenderTargetContext->validate();)
return fRenderTargetContext->fRenderTargetProxy->isBudgeted();
}
void GrRenderTargetContext::internalDrawPath(const GrClip& clip,
GrPaint&& paint,
GrAA aa,
const SkMatrix& viewMatrix,
const SkPath& path,
const GrStyle& style) {
ASSERT_SINGLE_OWNER
RETURN_IF_ABANDONED
SkASSERT(!path.isEmpty());
GrShape shape;
GrAAType aaType = this->decideAAType(aa, /*allowMixedSamples*/ true);
if (style.isSimpleHairline() && aaType == GrAAType::kMixedSamples) {
// NVPR cannot handle hairlines, so this will would get picked up by a different stencil and
// cover path renderer (i.e. default path renderer). The hairline renderer produces much
// smoother hairlines than MSAA.
aaType = GrAAType::kCoverage;
}
GrPathRenderer::CanDrawPathArgs canDrawArgs;
canDrawArgs.fShaderCaps = this->drawingManager()->getContext()->caps()->shaderCaps();
canDrawArgs.fViewMatrix = &viewMatrix;
canDrawArgs.fShape = &shape;
canDrawArgs.fHasUserStencilSettings = false;
GrPathRenderer* pr;
static constexpr GrPathRendererChain::DrawType kType = GrPathRendererChain::DrawType::kColor;
do {
shape = GrShape(path, style);
if (shape.isEmpty()) {
return;
}
canDrawArgs.fAAType = aaType;
// 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 && shape.style().pathEffect()) {
// It didn't work above, so try again with the path effect applied.
shape = shape.applyStyle(GrStyle::Apply::kPathEffectOnly, styleScale);
if (shape.isEmpty()) {
return;
}
pr = this->drawingManager()->getPathRenderer(canDrawArgs, false, kType);
}
if (!pr) {
if (shape.style().applies()) {
shape = shape.applyStyle(GrStyle::Apply::kPathEffectAndStrokeRec, styleScale);
if (shape.isEmpty()) {
return;
}
}
// This time, allow SW renderer
pr = this->drawingManager()->getPathRenderer(canDrawArgs, true, kType);
}
if (!pr && GrAATypeIsHW(aaType)) {
// There are exceptional cases where we may wind up falling back to coverage based AA
// when the target is MSAA (e.g. through disabling path renderers via GrContextOptions).
aaType = GrAAType::kCoverage;
} else {
break;
}
} while(true);
if (!pr) {
#ifdef SK_DEBUG
SkDebugf("Unable to find path renderer compatible with path.\n");
#endif
return;
}
GrPathRenderer::DrawPathArgs args{this->drawingManager()->getContext()->resourceProvider(),
std::move(paint),
&GrUserStencilSettings::kUnused,
this,
&clip,
&viewMatrix,
&shape,
aaType,
this->isGammaCorrect()};
pr->drawPath(args);
}
void GrRenderTargetContext::addDrawOp(const GrPipelineBuilder& pipelineBuilder, const GrClip& clip,
std::unique_ptr<GrDrawOp> op) {
ASSERT_SINGLE_OWNER
RETURN_IF_ABANDONED
SkDEBUGCODE(this->validate();)
GR_AUDIT_TRAIL_AUTO_FRAME(fAuditTrail, "GrRenderTargetContext::addDrawOp");
this->getOpList()->addDrawOp(pipelineBuilder, this, clip, std::move(op));
}