bool GrSimpleMeshDrawOpHelper::isCompatible(const GrSimpleMeshDrawOpHelper& that,
const GrCaps& caps, const SkRect& thisBounds,
const SkRect& thatBounds) const {
if (SkToBool(fProcessors) != SkToBool(that.fProcessors)) {
return false;
}
if (fProcessors) {
if (*fProcessors != *that.fProcessors) {
return false;
}
if (fRequiresDstTexture ||
(fProcessors->xferProcessor() && fProcessors->xferProcessor()->xferBarrierType(caps))) {
if (GrRectsTouchOrOverlap(thisBounds, thatBounds)) {
return false;
}
}
}
bool result = fPipelineFlags == that.fPipelineFlags && fAAType == that.fAAType;
SkASSERT(!result || fCompatibleWithAlphaAsCoveage == that.fCompatibleWithAlphaAsCoveage);
SkASSERT(!result || fUsesLocalCoords == that.fUsesLocalCoords);
return result;
}
GrOp::CombineResult GrAtlasTextOp::onCombineIfPossible(GrOp* t, const GrCaps& caps) {
GrAtlasTextOp* that = t->cast<GrAtlasTextOp>();
if (fProcessors != that->fProcessors) {
return CombineResult::kCannotCombine;
}
if (!fCanCombineOnTouchOrOverlap && GrRectsTouchOrOverlap(this->bounds(), that->bounds())) {
return CombineResult::kCannotCombine;
}
if (fMaskType != that->fMaskType) {
return CombineResult::kCannotCombine;
}
const SkMatrix& thisFirstMatrix = fGeoData[0].fViewMatrix;
const SkMatrix& thatFirstMatrix = that->fGeoData[0].fViewMatrix;
if (this->usesLocalCoords() && !thisFirstMatrix.cheapEqualTo(thatFirstMatrix)) {
return CombineResult::kCannotCombine;
}
if (fNeedsGlyphTransform != that->fNeedsGlyphTransform) {
return CombineResult::kCannotCombine;
}
if (fNeedsGlyphTransform &&
(thisFirstMatrix.hasPerspective() != thatFirstMatrix.hasPerspective())) {
return CombineResult::kCannotCombine;
}
if (this->usesDistanceFields()) {
if (fDFGPFlags != that->fDFGPFlags) {
return CombineResult::kCannotCombine;
}
if (fLuminanceColor != that->fLuminanceColor) {
return CombineResult::kCannotCombine;
}
} else {
if (kColorBitmapMask_MaskType == fMaskType && this->color() != that->color()) {
return CombineResult::kCannotCombine;
}
}
// Keep the batch vertex buffer size below 32K so we don't have to create a special one
// We use the largest possible vertex size for this
static const int kVertexSize = sizeof(SkPoint) + sizeof(SkColor) + 2 * sizeof(uint16_t);
static const int kMaxGlyphs = 32768 / (kVerticesPerGlyph * kVertexSize);
if (this->fNumGlyphs + that->fNumGlyphs > kMaxGlyphs) {
return CombineResult::kCannotCombine;
}
fNumGlyphs += that->numGlyphs();
// Reallocate space for geo data if necessary and then import that geo's data.
int newGeoCount = that->fGeoCount + fGeoCount;
// We reallocate at a rate of 1.5x to try to get better total memory usage
if (newGeoCount > fGeoDataAllocSize) {
int newAllocSize = fGeoDataAllocSize + fGeoDataAllocSize / 2;
while (newAllocSize < newGeoCount) {
newAllocSize += newAllocSize / 2;
}
fGeoData.realloc(newAllocSize);
fGeoDataAllocSize = newAllocSize;
}
// We steal the ref on the blobs from the other AtlasTextOp and set its count to 0 so that
// it doesn't try to unref them.
memcpy(&fGeoData[fGeoCount], that->fGeoData.get(), that->fGeoCount * sizeof(Geometry));
#ifdef SK_DEBUG
for (int i = 0; i < that->fGeoCount; ++i) {
that->fGeoData.get()[i].fBlob = (Blob*)0x1;
}
#endif
that->fGeoCount = 0;
fGeoCount = newGeoCount;
this->joinBounds(*that);
return CombineResult::kMerged;
}
