bool GrDefaultPathRenderer::internalDrawPath(const SkPath& path,
const SkStrokeRec& origStroke,
GrDrawTarget* target,
bool stencilOnly) {
SkMatrix viewM = target->getDrawState().getViewMatrix();
SkTCopyOnFirstWrite<SkStrokeRec> stroke(origStroke);
SkScalar hairlineCoverage;
if (IsStrokeHairlineOrEquivalent(*stroke, target->getDrawState().getViewMatrix(),
&hairlineCoverage)) {
uint8_t newCoverage = SkScalarRoundToInt(hairlineCoverage *
target->getDrawState().getCoverage());
target->drawState()->setCoverage(newCoverage);
if (!stroke->isHairlineStyle()) {
stroke.writable()->setHairlineStyle();
}
}
SkScalar tol = SK_Scalar1;
tol = GrPathUtils::scaleToleranceToSrc(tol, viewM, path.getBounds());
int vertexCnt;
int indexCnt;
GrPrimitiveType primType;
GrDrawTarget::AutoReleaseGeometry arg;
if (!this->createGeom(path,
*stroke,
tol,
target,
&primType,
&vertexCnt,
&indexCnt,
&arg)) {
return false;
}
SkASSERT(NULL != target);
GrDrawTarget::AutoStateRestore asr(target, GrDrawTarget::kPreserve_ASRInit);
GrDrawState* drawState = target->drawState();
bool colorWritesWereDisabled = drawState->isColorWriteDisabled();
// face culling doesn't make sense here
SkASSERT(GrDrawState::kBoth_DrawFace == drawState->getDrawFace());
int passCount = 0;
const GrStencilSettings* passes[3];
GrDrawState::DrawFace drawFace[3];
bool reverse = false;
bool lastPassIsBounds;
if (stroke->isHairlineStyle()) {
passCount = 1;
if (stencilOnly) {
passes[0] = &gDirectToStencil;
} else {
passes[0] = NULL;
}
lastPassIsBounds = false;
drawFace[0] = GrDrawState::kBoth_DrawFace;
} else {
if (single_pass_path(path, *stroke)) {
passCount = 1;
if (stencilOnly) {
passes[0] = &gDirectToStencil;
} else {
passes[0] = NULL;
}
drawFace[0] = GrDrawState::kBoth_DrawFace;
lastPassIsBounds = false;
} else {
switch (path.getFillType()) {
case SkPath::kInverseEvenOdd_FillType:
reverse = true;
// fallthrough
case SkPath::kEvenOdd_FillType:
passes[0] = &gEOStencilPass;
if (stencilOnly) {
passCount = 1;
lastPassIsBounds = false;
} else {
passCount = 2;
lastPassIsBounds = true;
if (reverse) {
passes[1] = &gInvEOColorPass;
} else {
passes[1] = &gEOColorPass;
}
}
drawFace[0] = drawFace[1] = GrDrawState::kBoth_DrawFace;
break;
case SkPath::kInverseWinding_FillType:
reverse = true;
// fallthrough
case SkPath::kWinding_FillType:
if (fSeparateStencil) {
if (fStencilWrapOps) {
passes[0] = &gWindStencilSeparateWithWrap;
} else {
passes[0] = &gWindStencilSeparateNoWrap;
}
passCount = 2;
drawFace[0] = GrDrawState::kBoth_DrawFace;
} else {
if (fStencilWrapOps) {
passes[0] = &gWindSingleStencilWithWrapInc;
passes[1] = &gWindSingleStencilWithWrapDec;
} else {
passes[0] = &gWindSingleStencilNoWrapInc;
passes[1] = &gWindSingleStencilNoWrapDec;
}
// which is cw and which is ccw is arbitrary.
drawFace[0] = GrDrawState::kCW_DrawFace;
drawFace[1] = GrDrawState::kCCW_DrawFace;
passCount = 3;
}
if (stencilOnly) {
lastPassIsBounds = false;
--passCount;
} else {
lastPassIsBounds = true;
drawFace[passCount-1] = GrDrawState::kBoth_DrawFace;
if (reverse) {
passes[passCount-1] = &gInvWindColorPass;
} else {
passes[passCount-1] = &gWindColorPass;
}
}
break;
default:
SkDEBUGFAIL("Unknown path fFill!");
return false;
}
}
}
SkRect devBounds;
GetPathDevBounds(path, drawState->getRenderTarget(), viewM, &devBounds);
for (int p = 0; p < passCount; ++p) {
drawState->setDrawFace(drawFace[p]);
if (NULL != passes[p]) {
*drawState->stencil() = *passes[p];
}
if (lastPassIsBounds && (p == passCount-1)) {
if (!colorWritesWereDisabled) {
drawState->disableState(GrDrawState::kNoColorWrites_StateBit);
}
SkRect bounds;
GrDrawState::AutoViewMatrixRestore avmr;
if (reverse) {
SkASSERT(NULL != drawState->getRenderTarget());
// draw over the dev bounds (which will be the whole dst surface for inv fill).
bounds = devBounds;
SkMatrix vmi;
// mapRect through persp matrix may not be correct
if (!drawState->getViewMatrix().hasPerspective() &&
drawState->getViewInverse(&vmi)) {
vmi.mapRect(&bounds);
} else {
avmr.setIdentity(drawState);
}
} else {
bounds = path.getBounds();
}
GrDrawTarget::AutoGeometryAndStatePush agasp(target, GrDrawTarget::kPreserve_ASRInit);
target->drawSimpleRect(bounds, NULL);
} else {
if (passCount > 1) {
drawState->enableState(GrDrawState::kNoColorWrites_StateBit);
}
if (indexCnt) {
target->drawIndexed(primType, 0, 0,
vertexCnt, indexCnt, &devBounds);
} else {
target->drawNonIndexed(primType, 0, vertexCnt, &devBounds);
}
}
}
return true;
}
bool GrDefaultPathRenderer::internalDrawPath(GrDrawTarget* target,
GrPipelineBuilder* pipelineBuilder,
GrColor color,
const SkMatrix& viewMatrix,
const SkPath& path,
const GrStrokeInfo& origStroke,
bool stencilOnly) {
SkTCopyOnFirstWrite<GrStrokeInfo> stroke(origStroke);
SkScalar hairlineCoverage;
uint8_t newCoverage = 0xff;
if (IsStrokeHairlineOrEquivalent(*stroke, viewMatrix, &hairlineCoverage)) {
newCoverage = SkScalarRoundToInt(hairlineCoverage * 0xff);
if (!stroke->getStrokeRec().isHairlineStyle()) {
stroke.writable()->getStrokeRecPtr()->setHairlineStyle();
}
}
const bool isHairline = stroke->getStrokeRec().isHairlineStyle();
// Save the current xp on the draw state so we can reset it if needed
SkAutoTUnref<const GrXPFactory> backupXPFactory(SkRef(pipelineBuilder->getXPFactory()));
// face culling doesn't make sense here
SkASSERT(GrPipelineBuilder::kBoth_DrawFace == pipelineBuilder->getDrawFace());
int passCount = 0;
const GrStencilSettings* passes[3];
GrPipelineBuilder::DrawFace drawFace[3];
bool reverse = false;
bool lastPassIsBounds;
if (isHairline) {
passCount = 1;
if (stencilOnly) {
passes[0] = &gDirectToStencil;
} else {
passes[0] = NULL;
}
lastPassIsBounds = false;
drawFace[0] = GrPipelineBuilder::kBoth_DrawFace;
} else {
if (single_pass_path(path, stroke->getStrokeRec())) {
passCount = 1;
if (stencilOnly) {
passes[0] = &gDirectToStencil;
} else {
passes[0] = NULL;
}
drawFace[0] = GrPipelineBuilder::kBoth_DrawFace;
lastPassIsBounds = false;
} else {
switch (path.getFillType()) {
case SkPath::kInverseEvenOdd_FillType:
reverse = true;
// fallthrough
case SkPath::kEvenOdd_FillType:
passes[0] = &gEOStencilPass;
if (stencilOnly) {
passCount = 1;
lastPassIsBounds = false;
} else {
passCount = 2;
lastPassIsBounds = true;
if (reverse) {
passes[1] = &gInvEOColorPass;
} else {
passes[1] = &gEOColorPass;
}
}
drawFace[0] = drawFace[1] = GrPipelineBuilder::kBoth_DrawFace;
break;
case SkPath::kInverseWinding_FillType:
reverse = true;
// fallthrough
case SkPath::kWinding_FillType:
if (fSeparateStencil) {
if (fStencilWrapOps) {
passes[0] = &gWindStencilSeparateWithWrap;
} else {
passes[0] = &gWindStencilSeparateNoWrap;
}
passCount = 2;
drawFace[0] = GrPipelineBuilder::kBoth_DrawFace;
} else {
if (fStencilWrapOps) {
passes[0] = &gWindSingleStencilWithWrapInc;
passes[1] = &gWindSingleStencilWithWrapDec;
} else {
passes[0] = &gWindSingleStencilNoWrapInc;
passes[1] = &gWindSingleStencilNoWrapDec;
}
// which is cw and which is ccw is arbitrary.
drawFace[0] = GrPipelineBuilder::kCW_DrawFace;
drawFace[1] = GrPipelineBuilder::kCCW_DrawFace;
passCount = 3;
}
if (stencilOnly) {
lastPassIsBounds = false;
--passCount;
} else {
lastPassIsBounds = true;
drawFace[passCount-1] = GrPipelineBuilder::kBoth_DrawFace;
if (reverse) {
passes[passCount-1] = &gInvWindColorPass;
} else {
passes[passCount-1] = &gWindColorPass;
}
}
break;
default:
SkDEBUGFAIL("Unknown path fFill!");
return false;
}
}
}
SkScalar tol = GrPathUtils::kDefaultTolerance;
SkScalar srcSpaceTol = GrPathUtils::scaleToleranceToSrc(tol, viewMatrix, path.getBounds());
SkRect devBounds;
GetPathDevBounds(path, pipelineBuilder->getRenderTarget(), viewMatrix, &devBounds);
for (int p = 0; p < passCount; ++p) {
pipelineBuilder->setDrawFace(drawFace[p]);
if (passes[p]) {
*pipelineBuilder->stencil() = *passes[p];
}
if (lastPassIsBounds && (p == passCount-1)) {
// Reset the XP Factory on pipelineBuilder
pipelineBuilder->setXPFactory(backupXPFactory);
SkRect bounds;
SkMatrix localMatrix = SkMatrix::I();
if (reverse) {
SkASSERT(pipelineBuilder->getRenderTarget());
// draw over the dev bounds (which will be the whole dst surface for inv fill).
bounds = devBounds;
SkMatrix vmi;
// mapRect through persp matrix may not be correct
if (!viewMatrix.hasPerspective() && viewMatrix.invert(&vmi)) {
vmi.mapRect(&bounds);
} else {
if (!viewMatrix.invert(&localMatrix)) {
return false;
}
}
} else {
bounds = path.getBounds();
}
const SkMatrix& viewM = (reverse && viewMatrix.hasPerspective()) ? SkMatrix::I() :
viewMatrix;
target->drawRect(pipelineBuilder, color, viewM, bounds, NULL, &localMatrix);
} else {
if (passCount > 1) {
pipelineBuilder->setDisableColorXPFactory();
}
DefaultPathBatch::Geometry geometry;
geometry.fColor = color;
geometry.fPath = path;
geometry.fTolerance = srcSpaceTol;
SkAutoTUnref<GrBatch> batch(DefaultPathBatch::Create(geometry, newCoverage, viewMatrix,
isHairline, devBounds));
target->drawBatch(pipelineBuilder, batch);
}
}
return true;
}
bool GrDefaultPathRenderer::internalDrawPath(GrRenderTargetContext* renderTargetContext,
GrPaint&& paint,
GrAAType aaType,
const GrUserStencilSettings& userStencilSettings,
const GrClip& clip,
const SkMatrix& viewMatrix,
const GrShape& shape,
bool stencilOnly) {
auto context = renderTargetContext->surfPriv().getContext();
SkASSERT(GrAAType::kCoverage != aaType);
SkPath path;
shape.asPath(&path);
SkScalar hairlineCoverage;
uint8_t newCoverage = 0xff;
bool isHairline = false;
if (IsStrokeHairlineOrEquivalent(shape.style(), viewMatrix, &hairlineCoverage)) {
newCoverage = SkScalarRoundToInt(hairlineCoverage * 0xff);
isHairline = true;
} else {
SkASSERT(shape.style().isSimpleFill());
}
int passCount = 0;
const GrUserStencilSettings* passes[2];
bool reverse = false;
bool lastPassIsBounds;
if (isHairline) {
passCount = 1;
if (stencilOnly) {
passes[0] = &gDirectToStencil;
} else {
passes[0] = &userStencilSettings;
}
lastPassIsBounds = false;
} else {
if (single_pass_shape(shape)) {
passCount = 1;
if (stencilOnly) {
passes[0] = &gDirectToStencil;
} else {
passes[0] = &userStencilSettings;
}
lastPassIsBounds = false;
} else {
switch (path.getFillType()) {
case SkPath::kInverseEvenOdd_FillType:
reverse = true;
// fallthrough
case SkPath::kEvenOdd_FillType:
passes[0] = &gEOStencilPass;
if (stencilOnly) {
passCount = 1;
lastPassIsBounds = false;
} else {
passCount = 2;
lastPassIsBounds = true;
if (reverse) {
passes[1] = &gInvEOColorPass;
} else {
passes[1] = &gEOColorPass;
}
}
break;
case SkPath::kInverseWinding_FillType:
reverse = true;
// fallthrough
case SkPath::kWinding_FillType:
passes[0] = &gWindStencilPass;
passCount = 2;
if (stencilOnly) {
lastPassIsBounds = false;
--passCount;
} else {
lastPassIsBounds = true;
if (reverse) {
passes[passCount-1] = &gInvWindColorPass;
} else {
passes[passCount-1] = &gWindColorPass;
}
}
break;
default:
SkDEBUGFAIL("Unknown path fFill!");
return false;
}
}
}
SkScalar tol = GrPathUtils::kDefaultTolerance;
SkScalar srcSpaceTol = GrPathUtils::scaleToleranceToSrc(tol, viewMatrix, path.getBounds());
SkRect devBounds;
GetPathDevBounds(path,
renderTargetContext->asRenderTargetProxy()->worstCaseWidth(),
renderTargetContext->asRenderTargetProxy()->worstCaseHeight(),
viewMatrix, &devBounds);
for (int p = 0; p < passCount; ++p) {
if (lastPassIsBounds && (p == passCount-1)) {
SkRect bounds;
SkMatrix localMatrix = SkMatrix::I();
if (reverse) {
// draw over the dev bounds (which will be the whole dst surface for inv fill).
bounds = devBounds;
SkMatrix vmi;
// mapRect through persp matrix may not be correct
if (!viewMatrix.hasPerspective() && viewMatrix.invert(&vmi)) {
vmi.mapRect(&bounds);
} else {
if (!viewMatrix.invert(&localMatrix)) {
return false;
}
}
} else {
bounds = path.getBounds();
}
const SkMatrix& viewM = (reverse && viewMatrix.hasPerspective()) ? SkMatrix::I() :
viewMatrix;
// This is a non-coverage aa rect op since we assert aaType != kCoverage at the start
assert_alive(paint);
renderTargetContext->priv().stencilRect(clip, passes[p], std::move(paint),
GrAA(aaType == GrAAType::kMSAA), viewM, bounds, &localMatrix);
} else {
bool stencilPass = stencilOnly || passCount > 1;
std::unique_ptr<GrDrawOp> op;
if (stencilPass) {
GrPaint stencilPaint;
stencilPaint.setXPFactory(GrDisableColorXPFactory::Get());
op = DefaultPathOp::Make(context, std::move(stencilPaint), path, srcSpaceTol,
newCoverage, viewMatrix, isHairline, aaType, devBounds,
passes[p]);
} else {
assert_alive(paint);
op = DefaultPathOp::Make(context, std::move(paint), path, srcSpaceTol, newCoverage,
viewMatrix, isHairline, aaType, devBounds, passes[p]);
}
renderTargetContext->addDrawOp(clip, std::move(op));
}
}
return true;
}
