blob: aa7057510ce9d88508ac45ab3a15abca06e588a7 [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 "GrBatchTest.h"
#include "GrColor.h"
#include "GrDrawContext.h"
#include "GrDrawContextPriv.h"
#include "GrDrawingManager.h"
#include "GrOvalRenderer.h"
#include "GrPathRenderer.h"
#include "GrRenderTarget.h"
#include "GrRenderTargetPriv.h"
#include "GrResourceProvider.h"
#include "SkSurfacePriv.h"
#include "batches/GrBatch.h"
#include "batches/GrDrawAtlasBatch.h"
#include "batches/GrDrawVerticesBatch.h"
#include "batches/GrRectBatchFactory.h"
#include "batches/GrNinePatch.h" // TODO Factory
#include "effects/GrRRectEffect.h"
#include "instanced/InstancedRendering.h"
#include "text/GrAtlasTextContext.h"
#include "text/GrStencilAndCoverTextContext.h"
#include "../private/GrAuditTrail.h"
#define ASSERT_OWNED_RESOURCE(R) SkASSERT(!(R) || (R)->getContext() == fDrawingManager->getContext())
#define ASSERT_SINGLE_OWNER \
SkDEBUGCODE(GrSingleOwner::AutoEnforce debug_SingleOwner(fSingleOwner);)
#define ASSERT_SINGLE_OWNER_PRIV \
SkDEBUGCODE(GrSingleOwner::AutoEnforce debug_SingleOwner(fDrawContext->fSingleOwner);)
#define RETURN_IF_ABANDONED if (fDrawingManager->wasAbandoned()) { return; }
#define RETURN_IF_ABANDONED_PRIV if (fDrawContext->fDrawingManager->wasAbandoned()) { return; }
#define RETURN_FALSE_IF_ABANDONED if (fDrawingManager->wasAbandoned()) { return false; }
#define RETURN_FALSE_IF_ABANDONED_PRIV if (fDrawContext->fDrawingManager->wasAbandoned()) { return false; }
#define RETURN_NULL_IF_ABANDONED if (fDrawingManager->wasAbandoned()) { return nullptr; }
using gr_instanced::InstancedRendering;
class AutoCheckFlush {
public:
AutoCheckFlush(GrDrawingManager* drawingManager) : fDrawingManager(drawingManager) {
SkASSERT(fDrawingManager);
}
~AutoCheckFlush() { fDrawingManager->getContext()->flushIfNecessary(); }
private:
GrDrawingManager* fDrawingManager;
};
bool GrDrawContext::wasAbandoned() const {
return fDrawingManager->wasAbandoned();
}
// In MDB mode the reffing of the 'getLastDrawTarget' call's result allows in-progress
// drawTargets to be picked up and added to by drawContexts lower in the call
// stack. When this occurs with a closed drawTarget, a new one will be allocated
// when the drawContext attempts to use it (via getDrawTarget).
GrDrawContext::GrDrawContext(GrContext* context,
GrDrawingManager* drawingMgr,
sk_sp<GrRenderTarget> rt,
const SkSurfaceProps* surfaceProps,
GrAuditTrail* auditTrail,
GrSingleOwner* singleOwner)
: fDrawingManager(drawingMgr)
, fRenderTarget(std::move(rt))
, fDrawTarget(SkSafeRef(fRenderTarget->getLastDrawTarget()))
, fContext(context)
, fInstancedPipelineInfo(fRenderTarget.get())
, fSurfaceProps(SkSurfacePropsCopyOrDefault(surfaceProps))
, fAuditTrail(auditTrail)
#ifdef SK_DEBUG
, fSingleOwner(singleOwner)
#endif
{
SkDEBUGCODE(this->validate();)
}
#ifdef SK_DEBUG
void GrDrawContext::validate() const {
SkASSERT(fRenderTarget);
ASSERT_OWNED_RESOURCE(fRenderTarget);
if (fDrawTarget && !fDrawTarget->isClosed()) {
SkASSERT(fRenderTarget->getLastDrawTarget() == fDrawTarget);
}
}
#endif
GrDrawContext::~GrDrawContext() {
ASSERT_SINGLE_OWNER
SkSafeUnref(fDrawTarget);
}
GrDrawTarget* GrDrawContext::getDrawTarget() {
ASSERT_SINGLE_OWNER
SkDEBUGCODE(this->validate();)
if (!fDrawTarget || fDrawTarget->isClosed()) {
fDrawTarget = fDrawingManager->newDrawTarget(fRenderTarget.get());
}
return fDrawTarget;
}
bool GrDrawContext::copySurface(GrSurface* src, const SkIRect& srcRect, const SkIPoint& dstPoint) {
ASSERT_SINGLE_OWNER
RETURN_FALSE_IF_ABANDONED
SkDEBUGCODE(this->validate();)
GR_AUDIT_TRAIL_AUTO_FRAME(fAuditTrail, "GrDrawContext::copySurface");
return this->getDrawTarget()->copySurface(fRenderTarget.get(), src, srcRect, dstPoint);
}
void GrDrawContext::drawText(const GrClip& clip, const GrPaint& grPaint,
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, "GrDrawContext::drawText");
if (!fAtlasTextContext) {
fAtlasTextContext.reset(GrAtlasTextContext::Create());
}
fAtlasTextContext->drawText(fContext, this, clip, grPaint, skPaint, viewMatrix, fSurfaceProps,
text, byteLength, x, y, clipBounds);
}
void GrDrawContext::drawPosText(const GrClip& clip, const GrPaint& grPaint,
const SkPaint& skPaint,
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, "GrDrawContext::drawPosText");
if (!fAtlasTextContext) {
fAtlasTextContext.reset(GrAtlasTextContext::Create());
}
fAtlasTextContext->drawPosText(fContext, this, clip, grPaint, skPaint, viewMatrix,
fSurfaceProps, text, byteLength, pos, scalarsPerPosition,
offset, clipBounds);
}
void GrDrawContext::drawTextBlob(const GrClip& clip, const SkPaint& skPaint,
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, "GrDrawContext::drawTextBlob");
if (!fAtlasTextContext) {
fAtlasTextContext.reset(GrAtlasTextContext::Create());
}
fAtlasTextContext->drawTextBlob(fContext, this, clip, skPaint, viewMatrix, fSurfaceProps, blob,
x, y, filter, clipBounds);
}
void GrDrawContext::discard() {
ASSERT_SINGLE_OWNER
RETURN_IF_ABANDONED
SkDEBUGCODE(this->validate();)
GR_AUDIT_TRAIL_AUTO_FRAME(fAuditTrail, "GrDrawContext::discard");
AutoCheckFlush acf(fDrawingManager);
this->getDrawTarget()->discard(fRenderTarget.get());
}
void GrDrawContext::clear(const SkIRect* rect,
const GrColor color,
bool canIgnoreRect) {
ASSERT_SINGLE_OWNER
RETURN_IF_ABANDONED
SkDEBUGCODE(this->validate();)
GR_AUDIT_TRAIL_AUTO_FRAME(fAuditTrail, "GrDrawContext::clear");
AutoCheckFlush acf(fDrawingManager);
this->getDrawTarget()->clear(rect, color, canIgnoreRect, this);
}
void GrDrawContext::drawPaint(const GrClip& clip,
const GrPaint& origPaint,
const SkMatrix& viewMatrix) {
ASSERT_SINGLE_OWNER
RETURN_IF_ABANDONED
SkDEBUGCODE(this->validate();)
GR_AUDIT_TRAIL_AUTO_FRAME(fAuditTrail, "GrDrawContext::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;
r.setLTRB(0, 0,
SkIntToScalar(fRenderTarget->width()),
SkIntToScalar(fRenderTarget->height()));
SkTCopyOnFirstWrite<GrPaint> paint(origPaint);
// by definition this fills the entire clip, no need for AA
if (paint->isAntiAlias()) {
paint.writable()->setAntiAlias(false);
}
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) {
SkMatrix inverse;
if (!viewMatrix.invert(&inverse)) {
SkDebugf("Could not invert matrix\n");
return;
}
inverse.mapRect(&r);
this->drawRect(clip, *paint, viewMatrix, r);
} else {
SkMatrix localMatrix;
if (!viewMatrix.invert(&localMatrix)) {
SkDebugf("Could not invert matrix\n");
return;
}
AutoCheckFlush acf(fDrawingManager);
this->drawNonAAFilledRect(clip, *paint, SkMatrix::I(), r, nullptr, &localMatrix, nullptr);
}
}
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();
}
static bool should_apply_coverage_aa(const GrPaint& paint, GrRenderTarget* rt,
bool* useHWAA = nullptr) {
if (!paint.isAntiAlias()) {
if (useHWAA) {
*useHWAA = false;
}
return false;
} else {
if (useHWAA) {
*useHWAA = rt->isUnifiedMultisampled();
}
return !rt->isUnifiedMultisampled();
}
}
bool GrDrawContext::drawFilledRect(const GrClip& clip,
const GrPaint& paint,
const SkMatrix& viewMatrix,
const SkRect& rect,
const GrUserStencilSettings* ss) {
SkAutoTUnref<GrDrawBatch> batch;
bool useHWAA;
if (InstancedRendering* ir = this->getDrawTarget()->instancedRendering()) {
batch.reset(ir->recordRect(rect, viewMatrix, paint.getColor(),
paint.isAntiAlias(), fInstancedPipelineInfo,
&useHWAA));
if (batch) {
GrPipelineBuilder pipelineBuilder(paint, useHWAA);
if (ss) {
pipelineBuilder.setUserStencil(ss);
}
this->getDrawTarget()->drawBatch(pipelineBuilder, this, clip, batch);
return true;
}
}
if (should_apply_coverage_aa(paint, fRenderTarget.get(), &useHWAA)) {
// The fill path can handle rotation but not skew.
if (view_matrix_ok_for_aa_fill_rect(viewMatrix)) {
SkRect devBoundRect;
viewMatrix.mapRect(&devBoundRect, rect);
batch.reset(GrRectBatchFactory::CreateAAFill(paint.getColor(), viewMatrix,
rect, devBoundRect));
if (batch) {
GrPipelineBuilder pipelineBuilder(paint, useHWAA);
if (ss) {
pipelineBuilder.setUserStencil(ss);
}
this->getDrawTarget()->drawBatch(pipelineBuilder, this, clip, batch);
return true;
}
}
} else {
this->drawNonAAFilledRect(clip, paint, viewMatrix, rect, nullptr, nullptr, ss);
return true;
}
return false;
}
void GrDrawContext::drawRect(const GrClip& clip,
const GrPaint& paint,
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, "GrDrawContext::drawRect");
// Path effects should've been devolved to a path in SkGpuDevice
SkASSERT(!style->pathEffect());
AutoCheckFlush acf(fDrawingManager);
const SkStrokeRec& stroke = style->strokeRec();
if (stroke.getStyle() == SkStrokeRec::kFill_Style &&
!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;
fRenderTarget->getBoundsRect(&rtRect);
// 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->getDrawTarget()->clear(nullptr, clearColor, true, this);
return;
}
}
}
if (this->drawFilledRect(clip, paint, 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, paint, 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, paint, viewMatrix, rrect, GrStyle::SimpleFill());
return;
}
case SkPaint::kBevel_Join:
if (!rect.width()) {
this->drawRect(clip, paint, viewMatrix,
{rect.fLeft - r, rect.fTop, rect.fRight + r, rect.fBottom},
&GrStyle::SimpleFill());
} else {
this->drawRect(clip, paint, viewMatrix,
{rect.fLeft, rect.fTop - r, rect.fRight, rect.fBottom + r},
&GrStyle::SimpleFill());
}
return;
}
}
bool useHWAA;
bool snapToPixelCenters = false;
SkAutoTUnref<GrDrawBatch> batch;
GrColor color = paint.getColor();
if (should_apply_coverage_aa(paint, fRenderTarget.get(), &useHWAA)) {
// The stroke path needs the rect to remain axis aligned (no rotation or skew).
if (viewMatrix.rectStaysRect()) {
batch.reset(GrRectBatchFactory::CreateAAStroke(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 &&
!fRenderTarget->isUnifiedMultisampled();
batch.reset(GrRectBatchFactory::CreateNonAAStroke(color, viewMatrix, rect,
stroke, snapToPixelCenters));
}
if (batch) {
GrPipelineBuilder pipelineBuilder(paint, useHWAA);
if (snapToPixelCenters) {
pipelineBuilder.setState(GrPipelineBuilder::kSnapVerticesToPixelCenters_Flag,
snapToPixelCenters);
}
this->getDrawTarget()->drawBatch(pipelineBuilder, this, clip, batch);
return;
}
}
SkPath path;
path.setIsVolatile(true);
path.addRect(rect);
this->internalDrawPath(clip, paint, viewMatrix, path, *style);
}
void GrDrawContextPriv::clearStencilClip(const SkIRect& rect, bool insideClip) {
ASSERT_SINGLE_OWNER_PRIV
RETURN_IF_ABANDONED_PRIV
SkDEBUGCODE(fDrawContext->validate();)
GR_AUDIT_TRAIL_AUTO_FRAME(fDrawContext->fAuditTrail, "GrDrawContextPriv::clearStencilClip");
AutoCheckFlush acf(fDrawContext->fDrawingManager);
fDrawContext->getDrawTarget()->clearStencilClip(rect, insideClip,
fDrawContext->accessRenderTarget());
}
void GrDrawContextPriv::stencilPath(const GrPipelineBuilder& pipelineBuilder,
const GrClip& clip,
const SkMatrix& viewMatrix,
const GrPath* path,
GrPathRendering::FillType fill) {
fDrawContext->getDrawTarget()->stencilPath(pipelineBuilder, fDrawContext,
clip, viewMatrix, path, fill);
}
void GrDrawContextPriv::stencilRect(const GrFixedClip& clip,
const GrUserStencilSettings* ss,
bool useHWAA,
const SkMatrix& viewMatrix,
const SkRect& rect) {
ASSERT_SINGLE_OWNER_PRIV
RETURN_IF_ABANDONED_PRIV
SkDEBUGCODE(fDrawContext->validate();)
GR_AUDIT_TRAIL_AUTO_FRAME(fDrawContext->fAuditTrail, "GrDrawContext::stencilRect");
AutoCheckFlush acf(fDrawContext->fDrawingManager);
GrPaint paint;
paint.setAntiAlias(useHWAA);
paint.setXPFactory(GrDisableColorXPFactory::Make());
SkASSERT(!useHWAA || fDrawContext->isStencilBufferMultisampled());
fDrawContext->drawFilledRect(clip, paint, viewMatrix, rect, ss);
}
bool GrDrawContextPriv::drawAndStencilRect(const GrFixedClip& clip,
const GrUserStencilSettings* ss,
SkRegion::Op op,
bool invert,
bool doAA,
const SkMatrix& viewMatrix,
const SkRect& rect) {
ASSERT_SINGLE_OWNER_PRIV
RETURN_FALSE_IF_ABANDONED_PRIV
SkDEBUGCODE(fDrawContext->validate();)
GR_AUDIT_TRAIL_AUTO_FRAME(fDrawContext->fAuditTrail, "GrDrawContext::drawAndStencilRect");
AutoCheckFlush acf(fDrawContext->fDrawingManager);
GrPaint paint;
paint.setAntiAlias(doAA);
paint.setCoverageSetOpXPFactory(op, invert);
if (fDrawContext->drawFilledRect(clip, paint, viewMatrix, rect, ss)) {
return true;
}
SkPath path;
path.setIsVolatile(true);
path.addRect(rect);
return this->drawAndStencilPath(clip, ss, op, invert, doAA, viewMatrix, path);
}
void GrDrawContext::fillRectToRect(const GrClip& clip,
const GrPaint& paint,
const SkMatrix& viewMatrix,
const SkRect& rectToDraw,
const SkRect& localRect) {
ASSERT_SINGLE_OWNER
RETURN_IF_ABANDONED
SkDEBUGCODE(this->validate();)
GR_AUDIT_TRAIL_AUTO_FRAME(fAuditTrail, "GrDrawContext::fillRectToRect");
AutoCheckFlush acf(fDrawingManager);
SkAutoTUnref<GrDrawBatch> batch;
bool useHWAA;
if (InstancedRendering* ir = this->getDrawTarget()->instancedRendering()) {
batch.reset(ir->recordRect(rectToDraw, viewMatrix, paint.getColor(), localRect,
paint.isAntiAlias(), fInstancedPipelineInfo, &useHWAA));
if (batch) {
GrPipelineBuilder pipelineBuilder(paint, useHWAA);
this->getDrawTarget()->drawBatch(pipelineBuilder, this, clip, batch);
return;
}
}
if (should_apply_coverage_aa(paint, fRenderTarget.get(), &useHWAA) &&
view_matrix_ok_for_aa_fill_rect(viewMatrix)) {
batch.reset(GrAAFillRectBatch::CreateWithLocalRect(paint.getColor(), viewMatrix, rectToDraw,
localRect));
if (batch) {
GrPipelineBuilder pipelineBuilder(paint, useHWAA);
this->drawBatch(pipelineBuilder, clip, batch);
return;
}
} else {
this->drawNonAAFilledRect(clip, paint, viewMatrix, rectToDraw, &localRect,
nullptr, nullptr);
}
}
void GrDrawContext::fillRectWithLocalMatrix(const GrClip& clip,
const GrPaint& paint,
const SkMatrix& viewMatrix,
const SkRect& rectToDraw,
const SkMatrix& localMatrix) {
ASSERT_SINGLE_OWNER
RETURN_IF_ABANDONED
SkDEBUGCODE(this->validate();)
GR_AUDIT_TRAIL_AUTO_FRAME(fAuditTrail, "GrDrawContext::fillRectWithLocalMatrix");
AutoCheckFlush acf(fDrawingManager);
SkAutoTUnref<GrDrawBatch> batch;
bool useHWAA;
if (InstancedRendering* ir = this->getDrawTarget()->instancedRendering()) {
batch.reset(ir->recordRect(rectToDraw, viewMatrix, paint.getColor(), localMatrix,
paint.isAntiAlias(), fInstancedPipelineInfo, &useHWAA));
if (batch) {
GrPipelineBuilder pipelineBuilder(paint, useHWAA);
this->getDrawTarget()->drawBatch(pipelineBuilder, this, clip, batch);
return;
}
}
if (should_apply_coverage_aa(paint, fRenderTarget.get(), &useHWAA) &&
view_matrix_ok_for_aa_fill_rect(viewMatrix)) {
batch.reset(GrAAFillRectBatch::Create(paint.getColor(), viewMatrix, localMatrix,
rectToDraw));
GrPipelineBuilder pipelineBuilder(paint, useHWAA);
this->getDrawTarget()->drawBatch(pipelineBuilder, this, clip, batch);
} else {
this->drawNonAAFilledRect(clip, paint, viewMatrix, rectToDraw, nullptr,
&localMatrix, nullptr);
}
}
void GrDrawContext::drawVertices(const GrClip& clip,
const GrPaint& paint,
const SkMatrix& viewMatrix,
GrPrimitiveType primitiveType,
int vertexCount,
const SkPoint positions[],
const SkPoint texCoords[],
const GrColor colors[],
const uint16_t indices[],
int indexCount) {
ASSERT_SINGLE_OWNER
RETURN_IF_ABANDONED
SkDEBUGCODE(this->validate();)
GR_AUDIT_TRAIL_AUTO_FRAME(fAuditTrail, "GrDrawContext::drawVertices");
AutoCheckFlush acf(fDrawingManager);
// TODO clients should give us bounds
SkRect bounds;
if (!bounds.setBoundsCheck(positions, vertexCount)) {
SkDebugf("drawVertices call empty bounds\n");
return;
}
viewMatrix.mapRect(&bounds);
// If we don't have AA then we outset for a half pixel in each direction to account for
// snapping. We also do this for the "hair" primitive types: lines and points since they have
// a 1 pixel thickness in device space.
if (!paint.isAntiAlias() || GrIsPrimTypeLines(primitiveType) ||
kPoints_GrPrimitiveType == primitiveType) {
bounds.outset(0.5f, 0.5f);
}
SkAutoTUnref<GrDrawBatch> batch(new GrDrawVerticesBatch(paint.getColor(),
primitiveType, viewMatrix, positions,
vertexCount, indices, indexCount,
colors, texCoords, bounds));
GrPipelineBuilder pipelineBuilder(paint, this->mustUseHWAA(paint));
this->getDrawTarget()->drawBatch(pipelineBuilder, this, clip, batch);
}
///////////////////////////////////////////////////////////////////////////////
void GrDrawContext::drawAtlas(const GrClip& clip,
const 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, "GrDrawContext::drawAtlas");
AutoCheckFlush acf(fDrawingManager);
SkAutoTUnref<GrDrawBatch> batch(new GrDrawAtlasBatch(paint.getColor(), viewMatrix, spriteCount,
xform, texRect, colors));
GrPipelineBuilder pipelineBuilder(paint, this->mustUseHWAA(paint));
this->getDrawTarget()->drawBatch(pipelineBuilder, this, clip, batch);
}
///////////////////////////////////////////////////////////////////////////////
void GrDrawContext::drawRRect(const GrClip& clip,
const GrPaint& paint,
const SkMatrix& viewMatrix,
const SkRRect& rrect,
const GrStyle& style) {
ASSERT_SINGLE_OWNER
RETURN_IF_ABANDONED
SkDEBUGCODE(this->validate();)
GR_AUDIT_TRAIL_AUTO_FRAME(fAuditTrail, "GrDrawContext::drawRRect");
if (rrect.isEmpty()) {
return;
}
SkASSERT(!style.pathEffect()); // this should've been devolved to a path in SkGpuDevice
AutoCheckFlush acf(fDrawingManager);
const SkStrokeRec stroke = style.strokeRec();
bool useHWAA;
if (this->getDrawTarget()->instancedRendering() && stroke.isFillStyle()) {
InstancedRendering* ir = this->getDrawTarget()->instancedRendering();
SkAutoTUnref<GrDrawBatch> batch(ir->recordRRect(rrect, viewMatrix, paint.getColor(),
paint.isAntiAlias(), fInstancedPipelineInfo,
&useHWAA));
if (batch) {
GrPipelineBuilder pipelineBuilder(paint, useHWAA);
this->getDrawTarget()->drawBatch(pipelineBuilder, this, clip, batch);
return;
}
}
if (should_apply_coverage_aa(paint, fRenderTarget.get(), &useHWAA)) {
GrShaderCaps* shaderCaps = fContext->caps()->shaderCaps();
SkAutoTUnref<GrDrawBatch> batch(GrOvalRenderer::CreateRRectBatch(paint.getColor(),
viewMatrix,
rrect,
stroke,
shaderCaps));
if (batch) {
GrPipelineBuilder pipelineBuilder(paint, useHWAA);
this->getDrawTarget()->drawBatch(pipelineBuilder, this, clip, batch);
return;
}
}
SkPath path;
path.setIsVolatile(true);
path.addRRect(rrect);
this->internalDrawPath(clip, paint, viewMatrix, path, style);
}
bool GrDrawContext::drawFilledDRRect(const GrClip& clip,
const GrPaint& paintIn,
const SkMatrix& viewMatrix,
const SkRRect& origOuter,
const SkRRect& origInner) {
SkASSERT(!origInner.isEmpty());
SkASSERT(!origOuter.isEmpty());
if (InstancedRendering* ir = this->getDrawTarget()->instancedRendering()) {
bool useHWAA;
SkAutoTUnref<GrDrawBatch> batch(ir->recordDRRect(origOuter, origInner, viewMatrix,
paintIn.getColor(), paintIn.isAntiAlias(),
fInstancedPipelineInfo, &useHWAA));
if (batch) {
GrPipelineBuilder pipelineBuilder(paintIn, useHWAA);
this->getDrawTarget()->drawBatch(pipelineBuilder, this, clip, batch);
return true;
}
}
bool applyAA = paintIn.isAntiAlias() && !fRenderTarget->isUnifiedMultisampled();
GrPrimitiveEdgeType innerEdgeType = applyAA ? kInverseFillAA_GrProcessorEdgeType :
kInverseFillBW_GrProcessorEdgeType;
GrPrimitiveEdgeType outerEdgeType = applyAA ? kFillAA_GrProcessorEdgeType :
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();
}
GrPaint grPaint(paintIn);
grPaint.setAntiAlias(false);
// 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;
}
grPaint.addCoverageFragmentProcessor(std::move(innerEffect));
grPaint.addCoverageFragmentProcessor(std::move(outerEffect));
SkRect bounds = outer->getBounds();
if (applyAA) {
bounds.outset(SK_ScalarHalf, SK_ScalarHalf);
}
this->fillRectWithLocalMatrix(clip, grPaint, SkMatrix::I(), bounds, inverseVM);
return true;
}
void GrDrawContext::drawDRRect(const GrClip& clip,
const GrPaint& paint,
const SkMatrix& viewMatrix,
const SkRRect& outer,
const SkRRect& inner) {
ASSERT_SINGLE_OWNER
RETURN_IF_ABANDONED
SkDEBUGCODE(this->validate();)
GR_AUDIT_TRAIL_AUTO_FRAME(fAuditTrail, "GrDrawContext::drawDRRect");
SkASSERT(!outer.isEmpty());
SkASSERT(!inner.isEmpty());
AutoCheckFlush acf(fDrawingManager);
if (this->drawFilledDRRect(clip, paint, viewMatrix, outer, inner)) {
return;
}
SkPath path;
path.setIsVolatile(true);
path.addRRect(inner);
path.addRRect(outer);
path.setFillType(SkPath::kEvenOdd_FillType);
this->internalDrawPath(clip, paint, viewMatrix, path, GrStyle::SimpleFill());
}
///////////////////////////////////////////////////////////////////////////////
void GrDrawContext::drawOval(const GrClip& clip,
const GrPaint& paint,
const SkMatrix& viewMatrix,
const SkRect& oval,
const GrStyle& style) {
ASSERT_SINGLE_OWNER
RETURN_IF_ABANDONED
SkDEBUGCODE(this->validate();)
GR_AUDIT_TRAIL_AUTO_FRAME(fAuditTrail, "GrDrawContext::drawOval");
if (oval.isEmpty()) {
return;
}
SkASSERT(!style.pathEffect()); // this should've been devolved to a path in SkGpuDevice
AutoCheckFlush acf(fDrawingManager);
const SkStrokeRec& stroke = style.strokeRec();
bool useHWAA;
if (this->getDrawTarget()->instancedRendering() && stroke.isFillStyle()) {
InstancedRendering* ir = this->getDrawTarget()->instancedRendering();
SkAutoTUnref<GrDrawBatch> batch(ir->recordOval(oval, viewMatrix, paint.getColor(),
paint.isAntiAlias(), fInstancedPipelineInfo,
&useHWAA));
if (batch) {
GrPipelineBuilder pipelineBuilder(paint, useHWAA);
this->getDrawTarget()->drawBatch(pipelineBuilder, this, clip, batch);
return;
}
}
if (should_apply_coverage_aa(paint, fRenderTarget.get(), &useHWAA)) {
GrShaderCaps* shaderCaps = fContext->caps()->shaderCaps();
SkAutoTUnref<GrDrawBatch> batch(GrOvalRenderer::CreateOvalBatch(paint.getColor(),
viewMatrix,
oval,
stroke,
shaderCaps));
if (batch) {
GrPipelineBuilder pipelineBuilder(paint, useHWAA);
this->getDrawTarget()->drawBatch(pipelineBuilder, this, clip, batch);
return;
}
}
SkPath path;
path.setIsVolatile(true);
path.addOval(oval);
this->internalDrawPath(clip, paint, viewMatrix, path, style);
}
void GrDrawContext::drawImageNine(const GrClip& clip,
const GrPaint& paint,
const SkMatrix& viewMatrix,
int imageWidth,
int imageHeight,
const SkIRect& center,
const SkRect& dst) {
ASSERT_SINGLE_OWNER
RETURN_IF_ABANDONED
SkDEBUGCODE(this->validate();)
GR_AUDIT_TRAIL_AUTO_FRAME(fAuditTrail, "GrDrawContext::drawImageNine");
AutoCheckFlush acf(fDrawingManager);
SkAutoTUnref<GrDrawBatch> batch(GrNinePatch::CreateNonAA(paint.getColor(), viewMatrix,
imageWidth, imageHeight,
center, dst));
GrPipelineBuilder pipelineBuilder(paint, this->mustUseHWAA(paint));
this->getDrawTarget()->drawBatch(pipelineBuilder, this, clip, batch);
}
void GrDrawContext::drawNonAAFilledRect(const GrClip& clip,
const GrPaint& paint,
const SkMatrix& viewMatrix,
const SkRect& rect,
const SkRect* localRect,
const SkMatrix* localMatrix,
const GrUserStencilSettings* ss) {
SkAutoTUnref<GrDrawBatch> batch(
GrRectBatchFactory::CreateNonAAFill(paint.getColor(), viewMatrix, rect, localRect,
localMatrix));
GrPipelineBuilder pipelineBuilder(paint, this->mustUseHWAA(paint));
if (ss) {
pipelineBuilder.setUserStencil(ss);
}
this->getDrawTarget()->drawBatch(pipelineBuilder, this, clip, batch);
}
// 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 GrDrawContext::drawPath(const GrClip& clip,
const GrPaint& paint,
const SkMatrix& viewMatrix,
const SkPath& path,
const GrStyle& style) {
ASSERT_SINGLE_OWNER
RETURN_IF_ABANDONED
SkDEBUGCODE(this->validate();)
GR_AUDIT_TRAIL_AUTO_FRAME(fAuditTrail, "GrDrawContext::drawPath");
if (path.isEmpty()) {
if (path.isInverseFillType()) {
this->drawPaint(clip, paint, viewMatrix);
}
return;
}
AutoCheckFlush acf(fDrawingManager);
bool useHWAA;
if (should_apply_coverage_aa(paint, fRenderTarget.get(), &useHWAA) && !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)) {
SkAutoTUnref<GrDrawBatch> batch(GrRectBatchFactory::CreateAAFillNestedRects(
paint.getColor(), viewMatrix, rects));
if (batch) {
GrPipelineBuilder pipelineBuilder(paint, useHWAA);
this->getDrawTarget()->drawBatch(pipelineBuilder, this, clip, batch);
}
return;
}
}
SkRect ovalRect;
bool isOval = path.isOval(&ovalRect);
if (isOval && !path.isInverseFillType()) {
GrShaderCaps* shaderCaps = fContext->caps()->shaderCaps();
SkAutoTUnref<GrDrawBatch> batch(GrOvalRenderer::CreateOvalBatch(paint.getColor(),
viewMatrix,
ovalRect,
style.strokeRec(),
shaderCaps));
if (batch) {
GrPipelineBuilder pipelineBuilder(paint, useHWAA);
this->getDrawTarget()->drawBatch(pipelineBuilder, this, clip, batch);
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, paint, viewMatrix, path, style);
}
bool GrDrawContextPriv::drawAndStencilPath(const GrFixedClip& clip,
const GrUserStencilSettings* ss,
SkRegion::Op op,
bool invert,
bool doAA,
const SkMatrix& viewMatrix,
const SkPath& path) {
ASSERT_SINGLE_OWNER_PRIV
RETURN_FALSE_IF_ABANDONED_PRIV
SkDEBUGCODE(fDrawContext->validate();)
GR_AUDIT_TRAIL_AUTO_FRAME(fDrawContext->fAuditTrail, "GrDrawContext::drawPath");
if (path.isEmpty() && path.isInverseFillType()) {
this->drawAndStencilRect(clip, ss, op, invert, false, SkMatrix::I(),
SkRect::MakeIWH(fDrawContext->width(),
fDrawContext->height()));
return true;
}
AutoCheckFlush acf(fDrawContext->fDrawingManager);
// 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.
bool useCoverageAA = doAA && !fDrawContext->fRenderTarget->isUnifiedMultisampled();
bool hasUserStencilSettings = !ss->isUnused();
bool isStencilBufferMSAA = fDrawContext->fRenderTarget->isStencilBufferMultisampled();
const GrPathRendererChain::DrawType type =
useCoverageAA ? GrPathRendererChain::kColorAntiAlias_DrawType
: GrPathRendererChain::kColor_DrawType;
GrShape shape(path, GrStyle::SimpleFill());
GrPathRenderer::CanDrawPathArgs canDrawArgs;
canDrawArgs.fShaderCaps = fDrawContext->fDrawingManager->getContext()->caps()->shaderCaps();
canDrawArgs.fViewMatrix = &viewMatrix;
canDrawArgs.fShape = &shape;
canDrawArgs.fAntiAlias = useCoverageAA;
canDrawArgs.fHasUserStencilSettings = hasUserStencilSettings;
canDrawArgs.fIsStencilBufferMSAA = isStencilBufferMSAA;
// Don't allow the SW renderer
GrPathRenderer* pr = fDrawContext->fDrawingManager->getPathRenderer(canDrawArgs, false, type);
if (!pr) {
return false;
}
GrPaint paint;
paint.setCoverageSetOpXPFactory(op, invert);
GrPathRenderer::DrawPathArgs args;
args.fResourceProvider = fDrawContext->fDrawingManager->getContext()->resourceProvider();
args.fPaint = &paint;
args.fUserStencilSettings = ss;
args.fDrawContext = fDrawContext;
args.fClip = &clip;
args.fViewMatrix = &viewMatrix;
args.fShape = &shape;
args.fAntiAlias = useCoverageAA;
args.fGammaCorrect = fDrawContext->isGammaCorrect();
pr->drawPath(args);
return true;
}
void GrDrawContext::internalDrawPath(const GrClip& clip,
const GrPaint& paint,
const SkMatrix& viewMatrix,
const SkPath& path,
const GrStyle& style) {
ASSERT_SINGLE_OWNER
RETURN_IF_ABANDONED
SkASSERT(!path.isEmpty());
bool useCoverageAA = should_apply_coverage_aa(paint, fRenderTarget.get());
constexpr bool kHasUserStencilSettings = false;
bool isStencilBufferMSAA = fRenderTarget->isStencilBufferMultisampled();
const GrPathRendererChain::DrawType type =
useCoverageAA ? GrPathRendererChain::kColorAntiAlias_DrawType
: GrPathRendererChain::kColor_DrawType;
GrShape shape(path, style);
if (shape.isEmpty()) {
return;
}
GrPathRenderer::CanDrawPathArgs canDrawArgs;
canDrawArgs.fShaderCaps = fDrawingManager->getContext()->caps()->shaderCaps();
canDrawArgs.fViewMatrix = &viewMatrix;
canDrawArgs.fShape = &shape;
canDrawArgs.fAntiAlias = useCoverageAA;
canDrawArgs.fHasUserStencilSettings = kHasUserStencilSettings;
canDrawArgs.fIsStencilBufferMSAA = isStencilBufferMSAA;
// Try a 1st time without applying any of the style to the geometry (and barring sw)
GrPathRenderer* pr = fDrawingManager->getPathRenderer(canDrawArgs, false, type);
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 = fDrawingManager->getPathRenderer(canDrawArgs, false, type);
}
if (!pr) {
if (shape.style().applies()) {
shape = shape.applyStyle(GrStyle::Apply::kPathEffectAndStrokeRec, styleScale);
if (shape.isEmpty()) {
return;
}
}
// This time, allow SW renderer
pr = fDrawingManager->getPathRenderer(canDrawArgs, true, type);
}
if (!pr) {
#ifdef SK_DEBUG
SkDebugf("Unable to find path renderer compatible with path.\n");
#endif
return;
}
GrPathRenderer::DrawPathArgs args;
args.fResourceProvider = fDrawingManager->getContext()->resourceProvider();
args.fPaint = &paint;
args.fUserStencilSettings = &GrUserStencilSettings::kUnused;
args.fDrawContext = this;
args.fClip = &clip;
args.fViewMatrix = &viewMatrix;
args.fShape = canDrawArgs.fShape;
args.fAntiAlias = useCoverageAA;
args.fGammaCorrect = this->isGammaCorrect();
pr->drawPath(args);
}
void GrDrawContext::drawBatch(const GrPipelineBuilder& pipelineBuilder, const GrClip& clip,
GrDrawBatch* batch) {
ASSERT_SINGLE_OWNER
RETURN_IF_ABANDONED
SkDEBUGCODE(this->validate();)
GR_AUDIT_TRAIL_AUTO_FRAME(fAuditTrail, "GrDrawContext::drawBatch");
this->getDrawTarget()->drawBatch(pipelineBuilder, this, clip, batch);
}