GrSemaphoresSubmitted GrGpu::finishFlush(int numSemaphores,
GrBackendSemaphore backendSemaphores[]) {
GrResourceProvider* resourceProvider = fContext->contextPriv().resourceProvider();
if (this->caps()->fenceSyncSupport()) {
for (int i = 0; i < numSemaphores; ++i) {
sk_sp<GrSemaphore> semaphore;
if (backendSemaphores[i].isInitialized()) {
semaphore = resourceProvider->wrapBackendSemaphore(
backendSemaphores[i], GrResourceProvider::SemaphoreWrapType::kWillSignal,
kBorrow_GrWrapOwnership);
} else {
semaphore = resourceProvider->makeSemaphore(false);
}
this->insertSemaphore(semaphore, false);
if (!backendSemaphores[i].isInitialized()) {
semaphore->setBackendSemaphore(&backendSemaphores[i]);
}
}
}
this->onFinishFlush((numSemaphores > 0 && this->caps()->fenceSyncSupport()));
return this->caps()->fenceSyncSupport() ? GrSemaphoresSubmitted::kYes
: GrSemaphoresSubmitted::kNo;
}
void draw(Target* target, const GrGeometryProcessor* gp) const {
GrResourceProvider* rp = target->resourceProvider();
SkScalar screenSpaceTol = GrPathUtils::kDefaultTolerance;
SkScalar tol = GrPathUtils::scaleToleranceToSrc(screenSpaceTol, fViewMatrix,
fShape.bounds());
SkPath path;
fShape.asPath(&path);
bool inverseFill = path.isInverseFillType();
// construct a cache key from the path's genID and the view matrix
static const GrUniqueKey::Domain kDomain = GrUniqueKey::GenerateDomain();
GrUniqueKey key;
static constexpr int kClipBoundsCnt = sizeof(fClipBounds) / sizeof(uint32_t);
int shapeKeyDataCnt = fShape.unstyledKeySize();
SkASSERT(shapeKeyDataCnt >= 0);
GrUniqueKey::Builder builder(&key, kDomain, shapeKeyDataCnt + kClipBoundsCnt);
fShape.writeUnstyledKey(&builder[0]);
// For inverse fills, the tessellation is dependent on clip bounds.
if (inverseFill) {
memcpy(&builder[shapeKeyDataCnt], &fClipBounds, sizeof(fClipBounds));
} else {
memset(&builder[shapeKeyDataCnt], 0, sizeof(fClipBounds));
}
builder.finish();
SkAutoTUnref<GrBuffer> cachedVertexBuffer(rp->findAndRefTByUniqueKey<GrBuffer>(key));
int actualCount;
if (cache_match(cachedVertexBuffer.get(), tol, &actualCount)) {
this->drawVertices(target, gp, cachedVertexBuffer.get(), 0, actualCount);
return;
}
bool isLinear;
bool canMapVB = GrCaps::kNone_MapFlags != target->caps().mapBufferFlags();
StaticVertexAllocator allocator(rp, canMapVB);
int count = GrTessellator::PathToTriangles(path, tol, fClipBounds, &allocator, &isLinear);
if (count == 0) {
return;
}
this->drawVertices(target, gp, allocator.vertexBuffer(), 0, count);
TessInfo info;
info.fTolerance = isLinear ? 0 : tol;
info.fCount = count;
SkAutoTUnref<SkData> data(SkData::NewWithCopy(&info, sizeof(info)));
key.setCustomData(data.get());
rp->assignUniqueKeyToResource(key, allocator.vertexBuffer());
}
static sk_sp<GrTextureProxy> create_wrapped_backend(GrContext* context, SkBackingFit fit,
sk_sp<GrTexture>* backingSurface) {
GrProxyProvider* proxyProvider = context->priv().proxyProvider();
GrResourceProvider* resourceProvider = context->priv().resourceProvider();
const GrSurfaceDesc desc = make_desc(kNone_GrSurfaceFlags);
*backingSurface = resourceProvider->createTexture(desc, SkBudgeted::kNo,
GrResourceProvider::Flags::kNoPendingIO);
if (!(*backingSurface)) {
return nullptr;
}
GrBackendTexture backendTex = (*backingSurface)->getBackendTexture();
backendTex.setPixelConfig(desc.fConfig);
return proxyProvider->wrapBackendTexture(backendTex, kBottomLeft_GrSurfaceOrigin,
kBorrow_GrWrapOwnership, GrWrapCacheable::kYes,
kRead_GrIOType);
}
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ResourceAllocatorTest, reporter, ctxInfo) {
GrProxyProvider* proxyProvider = ctxInfo.grContext()->contextPriv().proxyProvider();
GrResourceProvider* resourceProvider = ctxInfo.grContext()->contextPriv().resourceProvider();
bool orig = resourceProvider->testingOnly_setExplicitlyAllocateGPUResources(true);
struct TestCase {
ProxyParams fP1;
ProxyParams fP2;
bool fExpectation;
};
constexpr bool kRT = true;
constexpr bool kNotRT = false;
constexpr bool kShare = true;
constexpr bool kDontShare = false;
// Non-RT GrSurfaces are never recycled on some platforms.
bool kConditionallyShare = resourceProvider->caps()->reuseScratchTextures();
const GrPixelConfig kRGBA = kRGBA_8888_GrPixelConfig;
const GrPixelConfig kBGRA = kBGRA_8888_GrPixelConfig;
const SkBackingFit kE = SkBackingFit::kExact;
const SkBackingFit kA = SkBackingFit::kApprox;
const GrSurfaceOrigin kTL = kTopLeft_GrSurfaceOrigin;
const GrSurfaceOrigin kBL = kBottomLeft_GrSurfaceOrigin;
//--------------------------------------------------------------------------------------------
TestCase gOverlappingTests[] = {
//----------------------------------------------------------------------------------------
// Two proxies with overlapping intervals and compatible descriptors should never share
// RT version
{ { 64, kRT, kRGBA, kA, 0, kTL }, { 64, kRT, kRGBA, kA, 0, kTL }, kDontShare },
// non-RT version
{ { 64, kNotRT, kRGBA, kA, 0, kTL }, { 64, kNotRT, kRGBA, kA, 0, kTL }, kDontShare },
};
for (auto test : gOverlappingTests) {
sk_sp<GrSurfaceProxy> p1 = make_deferred(proxyProvider, test.fP1);
sk_sp<GrSurfaceProxy> p2 = make_deferred(proxyProvider, test.fP2);
overlap_test(reporter, resourceProvider,
std::move(p1), std::move(p2), test.fExpectation);
}
int k2 = ctxInfo.grContext()->caps()->getRenderTargetSampleCount(2, kRGBA);
int k4 = ctxInfo.grContext()->caps()->getRenderTargetSampleCount(4, kRGBA);
//--------------------------------------------------------------------------------------------
TestCase gNonOverlappingTests[] = {
//----------------------------------------------------------------------------------------
// Two non-overlapping intervals w/ compatible proxies should share
// both same size & approx
{ { 64, kRT, kRGBA, kA, 0, kTL }, { 64, kRT, kRGBA, kA, 0, kTL }, kShare },
{ { 64, kNotRT, kRGBA, kA, 0, kTL }, { 64, kNotRT, kRGBA, kA, 0, kTL }, kConditionallyShare },
// diffs sizes but still approx
{ { 64, kRT, kRGBA, kA, 0, kTL }, { 50, kRT, kRGBA, kA, 0, kTL }, kShare },
{ { 64, kNotRT, kRGBA, kA, 0, kTL }, { 50, kNotRT, kRGBA, kA, 0, kTL }, kConditionallyShare },
// sames sizes but exact
{ { 64, kRT, kRGBA, kE, 0, kTL }, { 64, kRT, kRGBA, kE, 0, kTL }, kShare },
{ { 64, kNotRT, kRGBA, kE, 0, kTL }, { 64, kNotRT, kRGBA, kE, 0, kTL }, kConditionallyShare },
//----------------------------------------------------------------------------------------
// Two non-overlapping intervals w/ different exact sizes should not share
{ { 56, kRT, kRGBA, kE, 0, kTL }, { 54, kRT, kRGBA, kE, 0, kTL }, kDontShare },
// Two non-overlapping intervals w/ _very different_ approx sizes should not share
{ { 255, kRT, kRGBA, kA, 0, kTL }, { 127, kRT, kRGBA, kA, 0, kTL }, kDontShare },
// Two non-overlapping intervals w/ different MSAA sample counts should not share
{ { 64, kRT, kRGBA, kA, k2, kTL },{ 64, kRT, kRGBA, kA, k4, kTL}, k2 == k4 },
// Two non-overlapping intervals w/ different configs should not share
{ { 64, kRT, kRGBA, kA, 0, kTL }, { 64, kRT, kBGRA, kA, 0, kTL }, kDontShare },
// Two non-overlapping intervals w/ different RT classifications should never share
{ { 64, kRT, kRGBA, kA, 0, kTL }, { 64, kNotRT, kRGBA, kA, 0, kTL }, kDontShare },
{ { 64, kNotRT, kRGBA, kA, 0, kTL }, { 64, kRT, kRGBA, kA, 0, kTL }, kDontShare },
// Two non-overlapping intervals w/ different origins should share
{ { 64, kRT, kRGBA, kA, 0, kTL }, { 64, kRT, kRGBA, kA, 0, kBL }, kShare },
};
for (auto test : gNonOverlappingTests) {
sk_sp<GrSurfaceProxy> p1 = make_deferred(proxyProvider, test.fP1);
sk_sp<GrSurfaceProxy> p2 = make_deferred(proxyProvider, test.fP2);
if (!p1 || !p2) {
continue; // creation can fail (i.e., for msaa4 on iOS)
}
non_overlap_test(reporter, resourceProvider,
std::move(p1), std::move(p2), test.fExpectation);
}
{
// Wrapped backend textures should never be reused
TestCase t[1] = {
{ { 64, kNotRT, kRGBA, kE, 0, kTL }, { 64, kNotRT, kRGBA, kE, 0, kTL }, kDontShare }
};
GrBackendTexture backEndTex;
sk_sp<GrSurfaceProxy> p1 = make_backend(ctxInfo.grContext(), t[0].fP1, &backEndTex);
sk_sp<GrSurfaceProxy> p2 = make_deferred(proxyProvider, t[0].fP2);
non_overlap_test(reporter, resourceProvider,
std::move(p1), std::move(p2), t[0].fExpectation);
cleanup_backend(ctxInfo.grContext(), &backEndTex);
}
resourceProvider->testingOnly_setExplicitlyAllocateGPUResources(orig);
}
bool GrDrawingManager::executeOpLists(int startIndex, int stopIndex, GrOpFlushState* flushState) {
SkASSERT(startIndex <= stopIndex && stopIndex <= fOpLists.count());
GrResourceProvider* resourceProvider = fContext->contextPriv().resourceProvider();
bool anyOpListsExecuted = false;
for (int i = startIndex; i < stopIndex; ++i) {
if (!fOpLists[i]) {
continue;
}
if (resourceProvider->explicitlyAllocateGPUResources()) {
if (!fOpLists[i]->isInstantiated()) {
// If the backing surface wasn't allocated drop the draw of the entire opList.
fOpLists[i] = nullptr;
continue;
}
} else {
if (!fOpLists[i]->instantiate(resourceProvider)) {
SkDebugf("OpList failed to instantiate.\n");
fOpLists[i] = nullptr;
continue;
}
}
// TODO: handle this instantiation via lazy surface proxies?
// Instantiate all deferred proxies (being built on worker threads) so we can upload them
fOpLists[i]->instantiateDeferredProxies(fContext->contextPriv().resourceProvider());
fOpLists[i]->prepare(flushState);
}
// Upload all data to the GPU
flushState->preExecuteDraws();
// Execute the onFlush op lists first, if any.
for (sk_sp<GrOpList>& onFlushOpList : fOnFlushCBOpLists) {
if (!onFlushOpList->execute(flushState)) {
SkDebugf("WARNING: onFlushOpList failed to execute.\n");
}
SkASSERT(onFlushOpList->unique());
onFlushOpList = nullptr;
}
fOnFlushCBOpLists.reset();
// Execute the normal op lists.
for (int i = startIndex; i < stopIndex; ++i) {
if (!fOpLists[i]) {
continue;
}
if (fOpLists[i]->execute(flushState)) {
anyOpListsExecuted = true;
}
}
SkASSERT(!flushState->commandBuffer());
SkASSERT(fTokenTracker.nextDrawToken() == fTokenTracker.nextTokenToFlush());
// We reset the flush state before the OpLists so that the last resources to be freed are those
// that are written to in the OpLists. This helps to make sure the most recently used resources
// are the last to be purged by the resource cache.
flushState->reset();
for (int i = startIndex; i < stopIndex; ++i) {
if (!fOpLists[i]) {
continue;
}
if (!fOpLists[i]->unique()) {
// TODO: Eventually this should be guaranteed unique.
// https://bugs.chromium.org/p/skia/issues/detail?id=7111
fOpLists[i]->endFlush();
}
fOpLists[i] = nullptr;
}
return anyOpListsExecuted;
}
sk_sp<GrTexture> GrClipMaskManager::CreateAlphaClipMask(GrContext* context,
int32_t elementsGenID,
GrReducedClip::InitialState initialState,
const GrReducedClip::ElementList& elements,
const SkVector& clipToMaskOffset,
const SkIRect& clipSpaceIBounds) {
GrResourceProvider* resourceProvider = context->resourceProvider();
GrUniqueKey key;
GetClipMaskKey(elementsGenID, clipSpaceIBounds, &key);
if (GrTexture* texture = resourceProvider->findAndRefTextureByUniqueKey(key)) {
return sk_sp<GrTexture>(texture);
}
// There's no texture in the cache. Let's try to allocate it then.
GrPixelConfig config = kRGBA_8888_GrPixelConfig;
if (context->caps()->isConfigRenderable(kAlpha_8_GrPixelConfig, false)) {
config = kAlpha_8_GrPixelConfig;
}
sk_sp<GrDrawContext> dc(context->newDrawContext(SkBackingFit::kApprox,
clipSpaceIBounds.width(),
clipSpaceIBounds.height(),
config));
if (!dc) {
return nullptr;
}
// The texture may be larger than necessary, this rect represents the part of the texture
// we populate with a rasterization of the clip.
SkIRect maskSpaceIBounds = SkIRect::MakeWH(clipSpaceIBounds.width(), clipSpaceIBounds.height());
// The scratch texture that we are drawing into can be substantially larger than the mask. Only
// clear the part that we care about.
dc->clear(&maskSpaceIBounds,
GrReducedClip::kAllIn_InitialState == initialState ? 0xffffffff : 0x00000000,
true);
// Set the matrix so that rendered clip elements are transformed to mask space from clip
// space.
const SkMatrix translate = SkMatrix::MakeTrans(clipToMaskOffset.fX, clipToMaskOffset.fY);
// It is important that we use maskSpaceIBounds as the stencil rect in the below loop.
// The second pass that zeros the stencil buffer renders the rect maskSpaceIBounds so the first
// pass must not set values outside of this bounds or stencil values outside the rect won't be
// cleared.
// walk through each clip element and perform its set op
for (GrReducedClip::ElementList::Iter iter = elements.headIter(); iter.get(); iter.next()) {
const Element* element = iter.get();
SkRegion::Op op = element->getOp();
bool invert = element->isInverseFilled();
if (invert || SkRegion::kIntersect_Op == op || SkRegion::kReverseDifference_Op == op) {
GrFixedClip clip(maskSpaceIBounds);
// draw directly into the result with the stencil set to make the pixels affected
// by the clip shape be non-zero.
static constexpr GrUserStencilSettings kStencilInElement(
GrUserStencilSettings::StaticInit<
0xffff,
GrUserStencilTest::kAlways,
0xffff,
GrUserStencilOp::kReplace,
GrUserStencilOp::kReplace,
0xffff>()
);
if (!stencil_element(dc.get(), clip, &kStencilInElement,
translate, element)) {
return nullptr;
}
// Draw to the exterior pixels (those with a zero stencil value).
static constexpr GrUserStencilSettings kDrawOutsideElement(
GrUserStencilSettings::StaticInit<
0x0000,
GrUserStencilTest::kEqual,
0xffff,
GrUserStencilOp::kZero,
GrUserStencilOp::kZero,
0xffff>()
);
if (!dc->drawContextPriv().drawAndStencilRect(clip, &kDrawOutsideElement,
op, !invert, false,
translate,
SkRect::Make(clipSpaceIBounds))) {
return nullptr;
}
} else {
// all the remaining ops can just be directly draw into the accumulation buffer
GrPaint paint;
paint.setAntiAlias(element->isAA());
paint.setCoverageSetOpXPFactory(op, false);
draw_element(dc.get(), GrNoClip(), paint, translate, element);
}
}
sk_sp<GrTexture> texture(dc->asTexture());
SkASSERT(texture);
texture->resourcePriv().setUniqueKey(key);
return texture;
}
void GrDrawVerticesOp::drawNonVolatile(Target* target) {
static const GrUniqueKey::Domain kDomain = GrUniqueKey::GenerateDomain();
bool hasColorAttribute;
bool hasLocalCoordsAttribute;
bool hasBoneAttribute;
sk_sp<GrGeometryProcessor> gp = this->makeGP(target->caps().shaderCaps(),
&hasColorAttribute,
&hasLocalCoordsAttribute,
&hasBoneAttribute);
SkASSERT(fMeshes.count() == 1); // Non-volatile meshes should never combine.
// Get the resource provider.
GrResourceProvider* rp = target->resourceProvider();
// Generate keys for the buffers.
GrUniqueKey vertexKey, indexKey;
GrUniqueKey::Builder vertexKeyBuilder(&vertexKey, kDomain, 2);
GrUniqueKey::Builder indexKeyBuilder(&indexKey, kDomain, 2);
vertexKeyBuilder[0] = indexKeyBuilder[0] = fMeshes[0].fVertices->uniqueID();
vertexKeyBuilder[1] = 0;
indexKeyBuilder[1] = 1;
vertexKeyBuilder.finish();
indexKeyBuilder.finish();
// Try to grab data from the cache.
sk_sp<GrBuffer> vertexBuffer = rp->findByUniqueKey<GrBuffer>(vertexKey);
sk_sp<GrBuffer> indexBuffer = this->isIndexed() ?
rp->findByUniqueKey<GrBuffer>(indexKey) :
nullptr;
// Draw using the cached buffers if possible.
if (vertexBuffer && (!this->isIndexed() || indexBuffer)) {
this->drawVertices(target, std::move(gp), vertexBuffer.get(), 0, indexBuffer.get(), 0);
return;
}
// Calculate the stride.
size_t vertexStride = sizeof(SkPoint) +
(hasColorAttribute ? sizeof(uint32_t) : 0) +
(hasLocalCoordsAttribute ? sizeof(SkPoint) : 0) +
(hasBoneAttribute ? 4 * (sizeof(int8_t) + sizeof(uint8_t)) : 0);
SkASSERT(vertexStride == gp->debugOnly_vertexStride());
// Allocate vertex buffer.
vertexBuffer.reset(rp->createBuffer(fVertexCount * vertexStride,
kVertex_GrBufferType,
kStatic_GrAccessPattern,
GrResourceProvider::Flags::kNone));
void* verts = vertexBuffer ? vertexBuffer->map() : nullptr;
if (!verts) {
SkDebugf("Could not allocate vertices\n");
return;
}
// Allocate index buffer.
uint16_t* indices = nullptr;
if (this->isIndexed()) {
indexBuffer.reset(rp->createBuffer(fIndexCount * sizeof(uint16_t),
kIndex_GrBufferType,
kStatic_GrAccessPattern,
GrResourceProvider::Flags::kNone));
indices = indexBuffer ? static_cast<uint16_t*>(indexBuffer->map()) : nullptr;
if (!indices) {
SkDebugf("Could not allocate indices\n");
return;
}
}
// Fill the buffers.
this->fillBuffers(hasColorAttribute,
hasLocalCoordsAttribute,
hasBoneAttribute,
vertexStride,
verts,
indices);
// Unmap the buffers.
vertexBuffer->unmap();
if (indexBuffer) {
indexBuffer->unmap();
}
// Cache the buffers.
rp->assignUniqueKeyToResource(vertexKey, vertexBuffer.get());
rp->assignUniqueKeyToResource(indexKey, indexBuffer.get());
// Draw the vertices.
this->drawVertices(target, std::move(gp), vertexBuffer.get(), 0, indexBuffer.get(), 0);
}
GrTexture* GrClipMaskManager::createAlphaClipMask(int32_t elementsGenID,
GrReducedClip::InitialState initialState,
const GrReducedClip::ElementList& elements,
const SkVector& clipToMaskOffset,
const SkIRect& clipSpaceIBounds) {
GrResourceProvider* resourceProvider = fDrawTarget->cmmAccess().resourceProvider();
GrUniqueKey key;
GetClipMaskKey(elementsGenID, clipSpaceIBounds, &key);
if (GrTexture* texture = resourceProvider->findAndRefTextureByUniqueKey(key)) {
return texture;
}
SkAutoTUnref<GrTexture> texture(this->createCachedMask(
clipSpaceIBounds.width(), clipSpaceIBounds.height(), key, true));
// There's no texture in the cache. Let's try to allocate it then.
if (!texture) {
return nullptr;
}
// Set the matrix so that rendered clip elements are transformed to mask space from clip
// space.
SkMatrix translate;
translate.setTranslate(clipToMaskOffset);
// The texture may be larger than necessary, this rect represents the part of the texture
// we populate with a rasterization of the clip.
SkIRect maskSpaceIBounds = SkIRect::MakeWH(clipSpaceIBounds.width(), clipSpaceIBounds.height());
// The scratch texture that we are drawing into can be substantially larger than the mask. Only
// clear the part that we care about.
fDrawTarget->clear(&maskSpaceIBounds,
GrReducedClip::kAllIn_InitialState == initialState ? 0xffffffff : 0x00000000,
true,
texture->asRenderTarget());
// When we use the stencil in the below loop it is important to have this clip installed.
// The second pass that zeros the stencil buffer renders the rect maskSpaceIBounds so the first
// pass must not set values outside of this bounds or stencil values outside the rect won't be
// cleared.
GrClip clip(maskSpaceIBounds);
SkAutoTUnref<GrTexture> temp;
// walk through each clip element and perform its set op
for (GrReducedClip::ElementList::Iter iter = elements.headIter(); iter.get(); iter.next()) {
const Element* element = iter.get();
SkRegion::Op op = element->getOp();
bool invert = element->isInverseFilled();
if (invert || SkRegion::kIntersect_Op == op || SkRegion::kReverseDifference_Op == op) {
GrPipelineBuilder pipelineBuilder;
pipelineBuilder.setClip(clip);
GrPathRenderer* pr = nullptr;
bool useTemp = !this->canStencilAndDrawElement(&pipelineBuilder, texture, &pr, element);
GrTexture* dst;
// This is the bounds of the clip element in the space of the alpha-mask. The temporary
// mask buffer can be substantially larger than the actually clip stack element. We
// touch the minimum number of pixels necessary and use decal mode to combine it with
// the accumulator.
SkIRect maskSpaceElementIBounds;
if (useTemp) {
if (invert) {
maskSpaceElementIBounds = maskSpaceIBounds;
} else {
SkRect elementBounds = element->getBounds();
elementBounds.offset(clipToMaskOffset);
elementBounds.roundOut(&maskSpaceElementIBounds);
}
if (!temp) {
temp.reset(this->createTempMask(maskSpaceIBounds.fRight,
maskSpaceIBounds.fBottom));
if (!temp) {
texture->resourcePriv().removeUniqueKey();
return nullptr;
}
}
dst = temp;
// clear the temp target and set blend to replace
fDrawTarget->clear(&maskSpaceElementIBounds,
invert ? 0xffffffff : 0x00000000,
true,
dst->asRenderTarget());
set_coverage_drawing_xpf(SkRegion::kReplace_Op, invert, &pipelineBuilder);
} else {
// draw directly into the result with the stencil set to make the pixels affected
// by the clip shape be non-zero.
dst = texture;
GR_STATIC_CONST_SAME_STENCIL(kStencilInElement,
kReplace_StencilOp,
kReplace_StencilOp,
kAlways_StencilFunc,
0xffff,
0xffff,
0xffff);
pipelineBuilder.setStencil(kStencilInElement);
set_coverage_drawing_xpf(op, invert, &pipelineBuilder);
}
if (!this->drawElement(&pipelineBuilder, translate, dst, element, pr)) {
texture->resourcePriv().removeUniqueKey();
return nullptr;
}
if (useTemp) {
GrPipelineBuilder backgroundPipelineBuilder;
backgroundPipelineBuilder.setRenderTarget(texture->asRenderTarget());
// Now draw into the accumulator using the real operation and the temp buffer as a
// texture
this->mergeMask(&backgroundPipelineBuilder,
texture,
temp,
op,
maskSpaceIBounds,
maskSpaceElementIBounds);
} else {
GrPipelineBuilder backgroundPipelineBuilder;
backgroundPipelineBuilder.setRenderTarget(texture->asRenderTarget());
set_coverage_drawing_xpf(op, !invert, &backgroundPipelineBuilder);
// Draw to the exterior pixels (those with a zero stencil value).
GR_STATIC_CONST_SAME_STENCIL(kDrawOutsideElement,
kZero_StencilOp,
kZero_StencilOp,
kEqual_StencilFunc,
0xffff,
0x0000,
0xffff);
backgroundPipelineBuilder.setStencil(kDrawOutsideElement);
// The color passed in here does not matter since the coverageSetOpXP won't read it.
fDrawTarget->drawNonAARect(backgroundPipelineBuilder, GrColor_WHITE, translate,
clipSpaceIBounds);
}
} else {
GrPipelineBuilder pipelineBuilder;
// all the remaining ops can just be directly draw into the accumulation buffer
set_coverage_drawing_xpf(op, false, &pipelineBuilder);
// The color passed in here does not matter since the coverageSetOpXP won't read it.
this->drawElement(&pipelineBuilder, translate, texture, element);
}
}
return texture.detach();
}
GrTexture* GrClipMaskManager::createSoftwareClipMask(int32_t elementsGenID,
GrReducedClip::InitialState initialState,
const GrReducedClip::ElementList& elements,
const SkVector& clipToMaskOffset,
const SkIRect& clipSpaceIBounds) {
GrUniqueKey key;
GetClipMaskKey(elementsGenID, clipSpaceIBounds, &key);
GrResourceProvider* resourceProvider = fDrawTarget->cmmAccess().resourceProvider();
if (GrTexture* texture = resourceProvider->findAndRefTextureByUniqueKey(key)) {
return texture;
}
// The mask texture may be larger than necessary. We round out the clip space bounds and pin
// the top left corner of the resulting rect to the top left of the texture.
SkIRect maskSpaceIBounds = SkIRect::MakeWH(clipSpaceIBounds.width(), clipSpaceIBounds.height());
GrSWMaskHelper helper(this->getContext());
// Set the matrix so that rendered clip elements are transformed to mask space from clip
// space.
SkMatrix translate;
translate.setTranslate(clipToMaskOffset);
helper.init(maskSpaceIBounds, &translate, false);
helper.clear(GrReducedClip::kAllIn_InitialState == initialState ? 0xFF : 0x00);
SkStrokeRec stroke(SkStrokeRec::kFill_InitStyle);
for (GrReducedClip::ElementList::Iter iter(elements.headIter()) ; iter.get(); iter.next()) {
const Element* element = iter.get();
SkRegion::Op op = element->getOp();
if (SkRegion::kIntersect_Op == op || SkRegion::kReverseDifference_Op == op) {
// Intersect and reverse difference require modifying pixels outside of the geometry
// that is being "drawn". In both cases we erase all the pixels outside of the geometry
// but leave the pixels inside the geometry alone. For reverse difference we invert all
// the pixels before clearing the ones outside the geometry.
if (SkRegion::kReverseDifference_Op == op) {
SkRect temp = SkRect::Make(clipSpaceIBounds);
// invert the entire scene
helper.draw(temp, SkRegion::kXOR_Op, false, 0xFF);
}
SkPath clipPath;
element->asPath(&clipPath);
clipPath.toggleInverseFillType();
helper.draw(clipPath, stroke, SkRegion::kReplace_Op, element->isAA(), 0x00);
continue;
}
// The other ops (union, xor, diff) only affect pixels inside
// the geometry so they can just be drawn normally
if (Element::kRect_Type == element->getType()) {
helper.draw(element->getRect(), op, element->isAA(), 0xFF);
} else {
SkPath path;
element->asPath(&path);
helper.draw(path, stroke, op, element->isAA(), 0xFF);
}
}
// Allocate clip mask texture
GrTexture* result = this->createCachedMask(clipSpaceIBounds.width(), clipSpaceIBounds.height(),
key, false);
if (nullptr == result) {
return nullptr;
}
helper.toTexture(result);
return result;
}
void draw(Target* target, const GrGeometryProcessor* gp) const {
GrResourceProvider* rp = target->resourceProvider();
SkScalar screenSpaceTol = GrPathUtils::kDefaultTolerance;
SkScalar tol = GrPathUtils::scaleToleranceToSrc(screenSpaceTol, fViewMatrix,
fPath.getBounds());
SkScalar styleScale = SK_Scalar1;
if (fStyle.applies()) {
styleScale = GrStyle::MatrixToScaleFactor(fViewMatrix);
}
// construct a cache key from the path's genID and the view matrix
static const GrUniqueKey::Domain kDomain = GrUniqueKey::GenerateDomain();
GrUniqueKey key;
int clipBoundsCnt =
fPath.isInverseFillType() ? sizeof(fClipBounds) / sizeof(uint32_t) : 0;
int styleDataCnt = GrStyle::KeySize(fStyle, GrStyle::Apply::kPathEffectAndStrokeRec);
if (styleDataCnt >= 0) {
GrUniqueKey::Builder builder(&key, kDomain, 2 + clipBoundsCnt + styleDataCnt);
builder[0] = fPath.getGenerationID();
builder[1] = fPath.getFillType();
// For inverse fills, the tessellation is dependent on clip bounds.
if (fPath.isInverseFillType()) {
memcpy(&builder[2], &fClipBounds, sizeof(fClipBounds));
}
if (styleDataCnt) {
GrStyle::WriteKey(&builder[2 + clipBoundsCnt], fStyle,
GrStyle::Apply::kPathEffectAndStrokeRec, styleScale);
}
builder.finish();
SkAutoTUnref<GrBuffer> cachedVertexBuffer(rp->findAndRefTByUniqueKey<GrBuffer>(key));
int actualCount;
if (cache_match(cachedVertexBuffer.get(), tol, &actualCount)) {
this->drawVertices(target, gp, cachedVertexBuffer.get(), 0, actualCount);
return;
}
}
SkPath path;
if (fStyle.applies()) {
SkStrokeRec::InitStyle fill;
SkAssertResult(fStyle.applyToPath(&path, &fill, fPath, styleScale));
SkASSERT(SkStrokeRec::kFill_InitStyle == fill);
} else {
path = fPath;
}
bool isLinear;
bool canMapVB = GrCaps::kNone_MapFlags != target->caps().mapBufferFlags();
StaticVertexAllocator allocator(rp, canMapVB);
int count = GrTessellator::PathToTriangles(path, tol, fClipBounds, &allocator, &isLinear);
if (count == 0) {
return;
}
this->drawVertices(target, gp, allocator.vertexBuffer(), 0, count);
if (!fPath.isVolatile() && styleDataCnt >= 0) {
TessInfo info;
info.fTolerance = isLinear ? 0 : tol;
info.fCount = count;
SkAutoTUnref<SkData> data(SkData::NewWithCopy(&info, sizeof(info)));
key.setCustomData(data.get());
rp->assignUniqueKeyToResource(key, allocator.vertexBuffer());
SkPathPriv::AddGenIDChangeListener(fPath, new PathInvalidator(key));
}
}
GrTexture* GrClipMaskManager::CreateAlphaClipMask(GrContext* context,
int32_t elementsGenID,
GrReducedClip::InitialState initialState,
const GrReducedClip::ElementList& elements,
const SkVector& clipToMaskOffset,
const SkIRect& clipSpaceIBounds) {
GrResourceProvider* resourceProvider = context->resourceProvider();
GrUniqueKey key;
GetClipMaskKey(elementsGenID, clipSpaceIBounds, &key);
if (GrTexture* texture = resourceProvider->findAndRefTextureByUniqueKey(key)) {
return texture;
}
// There's no texture in the cache. Let's try to allocate it then.
GrSurfaceDesc desc;
desc.fWidth = clipSpaceIBounds.width();
desc.fHeight = clipSpaceIBounds.height();
desc.fFlags = kRenderTarget_GrSurfaceFlag;
if (context->caps()->isConfigRenderable(kAlpha_8_GrPixelConfig, false)) {
desc.fConfig = kAlpha_8_GrPixelConfig;
} else {
desc.fConfig = kRGBA_8888_GrPixelConfig;
}
SkAutoTUnref<GrTexture> texture(resourceProvider->createApproxTexture(desc, 0));
if (!texture) {
return nullptr;
}
texture->resourcePriv().setUniqueKey(key);
SkAutoTUnref<GrDrawContext> dc(context->drawContext(texture->asRenderTarget()));
if (!dc) {
return nullptr;
}
// The texture may be larger than necessary, this rect represents the part of the texture
// we populate with a rasterization of the clip.
SkIRect maskSpaceIBounds = SkIRect::MakeWH(clipSpaceIBounds.width(), clipSpaceIBounds.height());
// The scratch texture that we are drawing into can be substantially larger than the mask. Only
// clear the part that we care about.
dc->clear(&maskSpaceIBounds,
GrReducedClip::kAllIn_InitialState == initialState ? 0xffffffff : 0x00000000,
true);
// Set the matrix so that rendered clip elements are transformed to mask space from clip
// space.
const SkMatrix translate = SkMatrix::MakeTrans(clipToMaskOffset.fX, clipToMaskOffset.fY);
// It is important that we use maskSpaceIBounds as the stencil rect in the below loop.
// The second pass that zeros the stencil buffer renders the rect maskSpaceIBounds so the first
// pass must not set values outside of this bounds or stencil values outside the rect won't be
// cleared.
// walk through each clip element and perform its set op
for (GrReducedClip::ElementList::Iter iter = elements.headIter(); iter.get(); iter.next()) {
const Element* element = iter.get();
SkRegion::Op op = element->getOp();
bool invert = element->isInverseFilled();
if (invert || SkRegion::kIntersect_Op == op || SkRegion::kReverseDifference_Op == op) {
#ifdef SK_DEBUG
GrPathRenderer* pr = GetPathRenderer(context,
texture, translate, element);
if (Element::kRect_Type != element->getType() && !pr) {
// UseSWOnlyPath should now filter out all cases where gpu-side mask merging would
// be performed (i.e., pr would be NULL for a non-rect path).
// See https://bug.skia.org/4519 for rationale and details.
SkASSERT(0);
}
#endif
// draw directly into the result with the stencil set to make the pixels affected
// by the clip shape be non-zero.
GR_STATIC_CONST_SAME_STENCIL(kStencilInElement,
kReplace_StencilOp,
kReplace_StencilOp,
kAlways_StencilFunc,
0xffff,
0xffff,
0xffff)
if (!stencil_element(dc, &maskSpaceIBounds, kStencilInElement,
translate, element)) {
texture->resourcePriv().removeUniqueKey();
return nullptr;
}
// Draw to the exterior pixels (those with a zero stencil value).
GR_STATIC_CONST_SAME_STENCIL(kDrawOutsideElement,
kZero_StencilOp,
kZero_StencilOp,
kEqual_StencilFunc,
0xffff,
0x0000,
0xffff);
if (!dc->drawContextPriv().drawAndStencilRect(&maskSpaceIBounds, kDrawOutsideElement,
op, !invert, false,
translate,
SkRect::Make(clipSpaceIBounds))) {
texture->resourcePriv().removeUniqueKey();
return nullptr;
}
} else {
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(DeferredProxyTest, reporter, ctxInfo) {
GrProxyProvider* proxyProvider = ctxInfo.grContext()->priv().proxyProvider();
GrResourceProvider* resourceProvider = ctxInfo.grContext()->priv().resourceProvider();
const GrCaps& caps = *ctxInfo.grContext()->priv().caps();
int attempt = 0; // useful for debugging
for (auto origin : { kBottomLeft_GrSurfaceOrigin, kTopLeft_GrSurfaceOrigin }) {
for (auto widthHeight : { 100, 128, 1048576 }) {
for (auto config : { kAlpha_8_GrPixelConfig, kRGB_565_GrPixelConfig,
kRGBA_8888_GrPixelConfig, kRGBA_1010102_GrPixelConfig,
kRGB_ETC1_GrPixelConfig }) {
for (auto fit : { SkBackingFit::kExact, SkBackingFit::kApprox }) {
for (auto budgeted : { SkBudgeted::kYes, SkBudgeted::kNo }) {
for (auto numSamples : {1, 4, 16, 128}) {
// We don't have recycling support for compressed textures
if (GrPixelConfigIsCompressed(config) && SkBackingFit::kApprox == fit) {
continue;
}
GrSurfaceDesc desc;
desc.fFlags = kRenderTarget_GrSurfaceFlag;
desc.fWidth = widthHeight;
desc.fHeight = widthHeight;
desc.fConfig = config;
desc.fSampleCnt = numSamples;
GrSRGBEncoded srgbEncoded;
GrColorType colorType =
GrPixelConfigToColorTypeAndEncoding(config, &srgbEncoded);
const GrBackendFormat format =
caps.getBackendFormatFromGrColorType(colorType, srgbEncoded);
{
sk_sp<GrTexture> tex;
if (SkBackingFit::kApprox == fit) {
tex = resourceProvider->createApproxTexture(
desc, GrResourceProvider::Flags::kNoPendingIO);
} else {
tex = resourceProvider->createTexture(
desc, budgeted, GrResourceProvider::Flags::kNoPendingIO);
}
sk_sp<GrTextureProxy> proxy =
proxyProvider->createProxy(format, desc, origin, fit,
budgeted);
REPORTER_ASSERT(reporter, SkToBool(tex) == SkToBool(proxy));
if (proxy) {
REPORTER_ASSERT(reporter, proxy->asRenderTargetProxy());
// This forces the proxy to compute and cache its
// pre-instantiation size guess. Later, when it is actually
// instantiated, it checks that the instantiated size is <= to
// the pre-computation. If the proxy never computed its
// pre-instantiation size then the check is skipped.
proxy->gpuMemorySize();
check_surface(reporter, proxy.get(), origin,
widthHeight, widthHeight, config, budgeted);
int supportedSamples =
caps.getRenderTargetSampleCount(numSamples, config);
check_rendertarget(reporter, caps, resourceProvider,
proxy->asRenderTargetProxy(),
supportedSamples,
fit, caps.maxWindowRectangles());
}
}
desc.fFlags = kNone_GrSurfaceFlags;
{
sk_sp<GrTexture> tex;
if (SkBackingFit::kApprox == fit) {
tex = resourceProvider->createApproxTexture(
desc, GrResourceProvider::Flags::kNoPendingIO);
} else {
tex = resourceProvider->createTexture(
desc, budgeted, GrResourceProvider::Flags::kNoPendingIO);
}
sk_sp<GrTextureProxy> proxy(
proxyProvider->createProxy(format, desc, origin, fit,
budgeted));
REPORTER_ASSERT(reporter, SkToBool(tex) == SkToBool(proxy));
if (proxy) {
// This forces the proxy to compute and cache its
// pre-instantiation size guess. Later, when it is actually
// instantiated, it checks that the instantiated size is <= to
// the pre-computation. If the proxy never computed its
// pre-instantiation size then the check is skipped.
proxy->gpuMemorySize();
check_surface(reporter, proxy.get(), origin,
widthHeight, widthHeight, config, budgeted);
check_texture(reporter, resourceProvider,
proxy->asTextureProxy(), fit);
}
}
attempt++;
}
}
}
}
}
}
}
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(GrPipelineDynamicStateTest, reporter, ctxInfo) {
GrContext* const context = ctxInfo.grContext();
GrResourceProvider* rp = context->resourceProvider();
sk_sp<GrRenderTargetContext> rtc(
context->makeDeferredRenderTargetContext(SkBackingFit::kExact, kScreenSize, kScreenSize,
kRGBA_8888_GrPixelConfig, nullptr));
if (!rtc) {
ERRORF(reporter, "could not create render target context.");
return;
}
constexpr float d = (float) kScreenSize;
Vertex vdata[kNumMeshes * 4] = {
{0, 0, kMeshColors[0]},
{0, d, kMeshColors[0]},
{d, 0, kMeshColors[0]},
{d, d, kMeshColors[0]},
{0, 0, kMeshColors[1]},
{0, d, kMeshColors[1]},
{d, 0, kMeshColors[1]},
{d, d, kMeshColors[1]},
{0, 0, kMeshColors[2]},
{0, d, kMeshColors[2]},
{d, 0, kMeshColors[2]},
{d, d, kMeshColors[2]},
{0, 0, kMeshColors[3]},
{0, d, kMeshColors[3]},
{d, 0, kMeshColors[3]},
{d, d, kMeshColors[3]}
};
sk_sp<const GrBuffer> vbuff(rp->createBuffer(sizeof(vdata), kVertex_GrBufferType,
kDynamic_GrAccessPattern,
GrResourceProvider::kNoPendingIO_Flag |
GrResourceProvider::kRequireGpuMemory_Flag,
vdata));
if (!vbuff) {
ERRORF(reporter, "vbuff is null.");
return;
}
uint32_t resultPx[kScreenSize * kScreenSize];
for (ScissorState scissorState : {ScissorState::kEnabled, ScissorState::kDisabled}) {
rtc->clear(nullptr, 0xbaaaaaad, true);
rtc->priv().testingOnly_addDrawOp(
skstd::make_unique<GrPipelineDynamicStateTestOp>(scissorState, vbuff));
rtc->readPixels(SkImageInfo::Make(kScreenSize, kScreenSize,
kRGBA_8888_SkColorType, kPremul_SkAlphaType),
resultPx, 4 * kScreenSize, 0, 0, 0);
for (int y = 0; y < kScreenSize; ++y) {
for (int x = 0; x < kScreenSize; ++x) {
int expectedColorIdx;
if (ScissorState::kEnabled == scissorState) {
expectedColorIdx = (x < kScreenSplitX ? 0 : 2) + (y < kScreenSplitY ? 0 : 1);
} else {
expectedColorIdx = kNumMeshes - 1;
}
uint32_t expected = kMeshColors[expectedColorIdx];
uint32_t actual = resultPx[y * kScreenSize + x];
if (expected != actual) {
ERRORF(reporter, "[scissor=%s] pixel (%i,%i): got 0x%x expected 0x%x",
ScissorState::kEnabled == scissorState ? "enabled" : "disabled", x, y,
actual, expected);
return;
}
}
}
}
}
