bool AAStrokeRectBatch::onCombineIfPossible(GrBatch* t, const GrCaps& caps) {
AAStrokeRectBatch* that = t->cast<AAStrokeRectBatch>();
if (!GrPipeline::CanCombine(*this->pipeline(), this->bounds(), *that->pipeline(),
that->bounds(), caps)) {
return false;
}
// TODO batch across miterstroke changes
if (this->miterStroke() != that->miterStroke()) {
return false;
}
// We apply the viewmatrix to the rect points on the cpu. However, if the pipeline uses
// local coords then we won't be able to batch. We could actually upload the viewmatrix
// using vertex attributes in these cases, but haven't investigated that
if (this->usesLocalCoords() && !this->viewMatrix().cheapEqualTo(that->viewMatrix())) {
return false;
}
// In the event of two batches, one who can tweak, one who cannot, we just fall back to
// not tweaking
if (this->canTweakAlphaForCoverage() != that->canTweakAlphaForCoverage()) {
fBatch.fCanTweakAlphaForCoverage = false;
}
if (this->color() != that->color()) {
fBatch.fColor = GrColor_ILLEGAL;
}
fGeoData.push_back_n(that->geoData()->count(), that->geoData()->begin());
this->joinBounds(that->bounds());
return true;
}
GrVkPipeline* GrVkPipeline::Create(GrVkGpu* gpu, const GrPipeline& pipeline,
const GrPrimitiveProcessor& primProc,
VkPipelineShaderStageCreateInfo* shaderStageInfo,
int shaderStageCount,
GrPrimitiveType primitiveType,
const GrVkRenderPass& renderPass,
VkPipelineLayout layout,
VkPipelineCache cache) {
VkPipelineVertexInputStateCreateInfo vertexInputInfo;
VkVertexInputBindingDescription bindingDesc;
SkSTArray<16, VkVertexInputAttributeDescription> attributeDesc;
SkASSERT(primProc.numAttribs() <= gpu->vkCaps().maxVertexAttributes());
VkVertexInputAttributeDescription* pAttribs = attributeDesc.push_back_n(primProc.numAttribs());
setup_vertex_input_state(primProc, &vertexInputInfo, &bindingDesc, 1, pAttribs);
VkPipelineInputAssemblyStateCreateInfo inputAssemblyInfo;
setup_input_assembly_state(primitiveType, &inputAssemblyInfo);
VkPipelineDepthStencilStateCreateInfo depthStencilInfo;
setup_depth_stencil_state(gpu, pipeline.getStencil(), &depthStencilInfo);
GrRenderTarget* rt = pipeline.getRenderTarget();
GrVkRenderTarget* vkRT = static_cast<GrVkRenderTarget*>(rt);
VkPipelineViewportStateCreateInfo viewportInfo;
setup_viewport_scissor_state(gpu, pipeline, vkRT, &viewportInfo);
VkPipelineMultisampleStateCreateInfo multisampleInfo;
setup_multisample_state(pipeline, primProc, gpu->caps(), &multisampleInfo);
// We will only have one color attachment per pipeline.
VkPipelineColorBlendAttachmentState attachmentStates[1];
VkPipelineColorBlendStateCreateInfo colorBlendInfo;
setup_color_blend_state(gpu, pipeline, &colorBlendInfo, attachmentStates);
VkPipelineRasterizationStateCreateInfo rasterInfo;
setup_raster_state(gpu, pipeline, &rasterInfo);
VkDynamicState dynamicStates[3];
VkPipelineDynamicStateCreateInfo dynamicInfo;
setup_dynamic_state(gpu, pipeline, &dynamicInfo, dynamicStates);
VkGraphicsPipelineCreateInfo pipelineCreateInfo;
memset(&pipelineCreateInfo, 0, sizeof(VkGraphicsPipelineCreateInfo));
pipelineCreateInfo.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO;
pipelineCreateInfo.pNext = nullptr;
pipelineCreateInfo.flags = 0;
pipelineCreateInfo.stageCount = shaderStageCount;
pipelineCreateInfo.pStages = shaderStageInfo;
pipelineCreateInfo.pVertexInputState = &vertexInputInfo;
pipelineCreateInfo.pInputAssemblyState = &inputAssemblyInfo;
pipelineCreateInfo.pTessellationState = nullptr;
pipelineCreateInfo.pViewportState = &viewportInfo;
pipelineCreateInfo.pRasterizationState = &rasterInfo;
pipelineCreateInfo.pMultisampleState = &multisampleInfo;
pipelineCreateInfo.pDepthStencilState = &depthStencilInfo;
pipelineCreateInfo.pColorBlendState = &colorBlendInfo;
pipelineCreateInfo.pDynamicState = &dynamicInfo;
pipelineCreateInfo.layout = layout;
pipelineCreateInfo.renderPass = renderPass.vkRenderPass();
pipelineCreateInfo.subpass = 0;
pipelineCreateInfo.basePipelineHandle = VK_NULL_HANDLE;
pipelineCreateInfo.basePipelineIndex = -1;
VkPipeline vkPipeline;
VkResult err = GR_VK_CALL(gpu->vkInterface(), CreateGraphicsPipelines(gpu->device(),
cache, 1,
&pipelineCreateInfo,
nullptr, &vkPipeline));
if (err) {
return nullptr;
}
return new GrVkPipeline(vkPipeline);
}
bool GrCCPathParser::finalize(GrOnFlushResourceProvider* onFlushRP) {
SkASSERT(!fParsingPath); // Call saveParsedPath() or discardParsedPath().
SkASSERT(fCoverageCountBatches.back().fEndNonScissorIndices == // Call closeCurrentBatch().
fTotalPrimitiveCounts[(int)ScissorMode::kNonScissored]);
SkASSERT(fCoverageCountBatches.back().fEndScissorSubBatchIdx == fScissorSubBatches.count());
// Here we build a single instance buffer to share with every internal batch.
//
// CCPR processs 3 different types of primitives: triangles, quadratics, cubics. Each primitive
// type is further divided into instances that require a scissor and those that don't. This
// leaves us with 3*2 = 6 independent instance arrays to build for the GPU.
//
// Rather than place each instance array in its own GPU buffer, we allocate a single
// megabuffer and lay them all out side-by-side. We can offset the "baseInstance" parameter in
// our draw calls to direct the GPU to the applicable elements within a given array.
//
// We already know how big to make each of the 6 arrays from fTotalPrimitiveCounts, so layout is
// straightforward. Start with triangles and quadratics. They both view the instance buffer as
// an array of TriPointInstance[], so we can begin at zero and lay them out one after the other.
fBaseInstances[0].fTriangles = 0;
fBaseInstances[1].fTriangles = fBaseInstances[0].fTriangles +
fTotalPrimitiveCounts[0].fTriangles;
fBaseInstances[0].fQuadratics = fBaseInstances[1].fTriangles +
fTotalPrimitiveCounts[1].fTriangles;
fBaseInstances[1].fQuadratics = fBaseInstances[0].fQuadratics +
fTotalPrimitiveCounts[0].fQuadratics;
int triEndIdx = fBaseInstances[1].fQuadratics + fTotalPrimitiveCounts[1].fQuadratics;
// Wound triangles and cubics both view the same instance buffer as an array of
// QuadPointInstance[]. So, reinterpreting the instance data as QuadPointInstance[], we start
// them on the first index that will not overwrite previous TriPointInstance data.
int quadBaseIdx =
GR_CT_DIV_ROUND_UP(triEndIdx * sizeof(TriPointInstance), sizeof(QuadPointInstance));
fBaseInstances[0].fWeightedTriangles = quadBaseIdx;
fBaseInstances[1].fWeightedTriangles = fBaseInstances[0].fWeightedTriangles +
fTotalPrimitiveCounts[0].fWeightedTriangles;
fBaseInstances[0].fCubics = fBaseInstances[1].fWeightedTriangles +
fTotalPrimitiveCounts[1].fWeightedTriangles;
fBaseInstances[1].fCubics = fBaseInstances[0].fCubics + fTotalPrimitiveCounts[0].fCubics;
fBaseInstances[0].fConics = fBaseInstances[1].fCubics + fTotalPrimitiveCounts[1].fCubics;
fBaseInstances[1].fConics = fBaseInstances[0].fConics + fTotalPrimitiveCounts[0].fConics;
int quadEndIdx = fBaseInstances[1].fConics + fTotalPrimitiveCounts[1].fConics;
fInstanceBuffer = onFlushRP->makeBuffer(kVertex_GrBufferType,
quadEndIdx * sizeof(QuadPointInstance));
if (!fInstanceBuffer) {
return false;
}
TriPointInstance* triPointInstanceData = static_cast<TriPointInstance*>(fInstanceBuffer->map());
QuadPointInstance* quadPointInstanceData =
reinterpret_cast<QuadPointInstance*>(triPointInstanceData);
SkASSERT(quadPointInstanceData);
PathInfo* nextPathInfo = fPathsInfo.begin();
float atlasOffsetX = 0.0, atlasOffsetY = 0.0;
Sk2f atlasOffset;
PrimitiveTallies instanceIndices[2] = {fBaseInstances[0], fBaseInstances[1]};
PrimitiveTallies* currIndices = nullptr;
SkSTArray<256, int32_t, true> currFan;
bool currFanIsTessellated = false;
const SkTArray<SkPoint, true>& pts = fGeometry.points();
int ptsIdx = -1;
int nextConicWeightIdx = 0;
// Expand the ccpr verbs into GPU instance buffers.
for (GrCCGeometry::Verb verb : fGeometry.verbs()) {
switch (verb) {
case GrCCGeometry::Verb::kBeginPath:
SkASSERT(currFan.empty());
currIndices = &instanceIndices[(int)nextPathInfo->scissorMode()];
atlasOffsetX = static_cast<float>(nextPathInfo->atlasOffsetX());
atlasOffsetY = static_cast<float>(nextPathInfo->atlasOffsetY());
atlasOffset = {atlasOffsetX, atlasOffsetY};
currFanIsTessellated = nextPathInfo->hasFanTessellation();
if (currFanIsTessellated) {
emit_tessellated_fan(nextPathInfo->fanTessellation(),
nextPathInfo->fanTessellationCount(), atlasOffset,
triPointInstanceData, quadPointInstanceData, currIndices);
}
++nextPathInfo;
continue;
case GrCCGeometry::Verb::kBeginContour:
SkASSERT(currFan.empty());
++ptsIdx;
if (!currFanIsTessellated) {
currFan.push_back(ptsIdx);
}
continue;
case GrCCGeometry::Verb::kLineTo:
++ptsIdx;
if (!currFanIsTessellated) {
SkASSERT(!currFan.empty());
currFan.push_back(ptsIdx);
}
continue;
case GrCCGeometry::Verb::kMonotonicQuadraticTo:
triPointInstanceData[currIndices->fQuadratics++].set(&pts[ptsIdx], atlasOffset);
ptsIdx += 2;
if (!currFanIsTessellated) {
SkASSERT(!currFan.empty());
currFan.push_back(ptsIdx);
}
continue;
case GrCCGeometry::Verb::kMonotonicCubicTo:
quadPointInstanceData[currIndices->fCubics++].set(&pts[ptsIdx], atlasOffsetX,
atlasOffsetY);
ptsIdx += 3;
if (!currFanIsTessellated) {
SkASSERT(!currFan.empty());
currFan.push_back(ptsIdx);
}
continue;
case GrCCGeometry::Verb::kMonotonicConicTo:
quadPointInstanceData[currIndices->fConics++].setW(
&pts[ptsIdx], atlasOffset, fGeometry.getConicWeight(nextConicWeightIdx));
ptsIdx += 2;
++nextConicWeightIdx;
if (!currFanIsTessellated) {
SkASSERT(!currFan.empty());
currFan.push_back(ptsIdx);
}
continue;
case GrCCGeometry::Verb::kEndClosedContour: // endPt == startPt.
if (!currFanIsTessellated) {
SkASSERT(!currFan.empty());
currFan.pop_back();
}
// fallthru.
case GrCCGeometry::Verb::kEndOpenContour: // endPt != startPt.
SkASSERT(!currFanIsTessellated || currFan.empty());
if (!currFanIsTessellated && currFan.count() >= 3) {
int fanSize = currFan.count();
// Reserve space for emit_recursive_fan. Technically this can grow to
// fanSize + log3(fanSize), but we approximate with log2.
currFan.push_back_n(SkNextLog2(fanSize));
SkDEBUGCODE(TriPointInstance* end =)
emit_recursive_fan(pts, currFan, 0, fanSize, atlasOffset,
triPointInstanceData + currIndices->fTriangles);
currIndices->fTriangles += fanSize - 2;
SkASSERT(triPointInstanceData + currIndices->fTriangles == end);
}
currFan.reset();
continue;
}
}
