const GrIndexBuffer* getIndexBuffer(GrResourceProvider* resourceProvider) {
GR_DEFINE_STATIC_UNIQUE_KEY(gAAFillRectIndexBufferKey);
static const uint16_t gFillAARectIdx[] = {
0, 1, 5, 5, 4, 0,
1, 2, 6, 6, 5, 1,
2, 3, 7, 7, 6, 2,
3, 0, 4, 4, 7, 3,
4, 5, 6, 6, 7, 4,
};
GR_STATIC_ASSERT(SK_ARRAY_COUNT(gFillAARectIdx) == kIndicesPerAAFillRect);
return resourceProvider->refOrCreateInstancedIndexBuffer(gFillAARectIdx,
kIndicesPerAAFillRect, kNumAAFillRectsInIndexBuffer, kVertsPerAAFillRect,
gAAFillRectIndexBufferKey);
}
static sk_sp<const GrBuffer> get_index_buffer(GrResourceProvider* resourceProvider) {
GR_DEFINE_STATIC_UNIQUE_KEY(gAAFillRectIndexBufferKey);
// clang-format off
static const uint16_t gFillAARectIdx[] = {
0, 1, 5, 5, 4, 0,
1, 2, 6, 6, 5, 1,
2, 3, 7, 7, 6, 2,
3, 0, 4, 4, 7, 3,
4, 5, 6, 6, 7, 4,
};
// clang-format on
GR_STATIC_ASSERT(SK_ARRAY_COUNT(gFillAARectIdx) == kIndicesPerAAFillRect);
return resourceProvider->findOrCreatePatternedIndexBuffer(
gFillAARectIdx, kIndicesPerAAFillRect, kNumAAFillRectsInIndexBuffer,
kVertsPerAAFillRect, gAAFillRectIndexBufferKey);
}
GrResourceProvider::GrResourceProvider(GrGpu* gpu, GrResourceCache* cache, GrSingleOwner* owner,
GrContextOptions::Enable explicitlyAllocateGPUResources)
: fCache(cache)
, fGpu(gpu)
#ifdef SK_DEBUG
, fSingleOwner(owner)
#endif
{
if (GrContextOptions::Enable::kNo == explicitlyAllocateGPUResources) {
fExplicitlyAllocateGPUResources = false;
} else if (GrContextOptions::Enable::kYes == explicitlyAllocateGPUResources) {
fExplicitlyAllocateGPUResources = true;
} else {
fExplicitlyAllocateGPUResources = kDefaultExplicitlyAllocateGPUResources;
}
fCaps = sk_ref_sp(fGpu->caps());
GR_DEFINE_STATIC_UNIQUE_KEY(gQuadIndexBufferKey);
fQuadIndexBufferKey = gQuadIndexBufferKey;
}
static const GrIndexBuffer* ref_quads_index_buffer(GrResourceProvider* resourceProvider) {
GR_DEFINE_STATIC_UNIQUE_KEY(gQuadsIndexBufferKey);
return resourceProvider->findOrCreateInstancedIndexBuffer(
kQuadIdxBufPattern, kIdxsPerQuad, kQuadsNumInIdxBuffer, kQuadNumVertices,
gQuadsIndexBufferKey);
}
static const GrIndexBuffer* ref_lines_index_buffer(GrResourceProvider* resourceProvider) {
GR_DEFINE_STATIC_UNIQUE_KEY(gLinesIndexBufferKey);
return resourceProvider->findOrCreateInstancedIndexBuffer(
kLineSegIdxBufPattern, kIdxsPerLineSeg, kLineSegsNumInIdxBuffer, kLineSegNumVertices,
gLinesIndexBufferKey);
}
static const GrUniqueKey& get_layer_atlas_key() {
GR_DEFINE_STATIC_UNIQUE_KEY(gLayerAtlasKey);
return gLayerAtlasKey;
}
sk_sp<GrBuffer> GrCCPRPathProcessor::FindOrMakeVertexBuffer(GrOnFlushResourceProvider* onFlushRP) {
GR_DEFINE_STATIC_UNIQUE_KEY(gVertexBufferKey);
return onFlushRP->findOrMakeStaticBuffer(gVertexBufferKey, kVertex_GrBufferType,
sizeof(kOctoEdgeNorms), kOctoEdgeNorms);
}
GrResourceProvider::GrResourceProvider(GrGpu* gpu, GrResourceCache* cache) : INHERITED(gpu, cache) {
GR_DEFINE_STATIC_UNIQUE_KEY(gQuadIndexBufferKey);
fQuadIndexBufferKey = gQuadIndexBufferKey;
}
static const GrIndexBuffer* GetIndexBuffer(GrResourceProvider* resourceProvider,
bool miterStroke) {
if (miterStroke) {
static const uint16_t gMiterIndices[] = {
0 + 0, 1 + 0, 5 + 0, 5 + 0, 4 + 0, 0 + 0,
1 + 0, 2 + 0, 6 + 0, 6 + 0, 5 + 0, 1 + 0,
2 + 0, 3 + 0, 7 + 0, 7 + 0, 6 + 0, 2 + 0,
3 + 0, 0 + 0, 4 + 0, 4 + 0, 7 + 0, 3 + 0,
0 + 4, 1 + 4, 5 + 4, 5 + 4, 4 + 4, 0 + 4,
1 + 4, 2 + 4, 6 + 4, 6 + 4, 5 + 4, 1 + 4,
2 + 4, 3 + 4, 7 + 4, 7 + 4, 6 + 4, 2 + 4,
3 + 4, 0 + 4, 4 + 4, 4 + 4, 7 + 4, 3 + 4,
0 + 8, 1 + 8, 5 + 8, 5 + 8, 4 + 8, 0 + 8,
1 + 8, 2 + 8, 6 + 8, 6 + 8, 5 + 8, 1 + 8,
2 + 8, 3 + 8, 7 + 8, 7 + 8, 6 + 8, 2 + 8,
3 + 8, 0 + 8, 4 + 8, 4 + 8, 7 + 8, 3 + 8,
};
GR_STATIC_ASSERT(SK_ARRAY_COUNT(gMiterIndices) == kMiterIndexCnt);
GR_DEFINE_STATIC_UNIQUE_KEY(gMiterIndexBufferKey);
return resourceProvider->refOrCreateInstancedIndexBuffer(gMiterIndices,
kMiterIndexCnt, kNumMiterRectsInIndexBuffer, kMiterVertexCnt,
gMiterIndexBufferKey);
} else {
/**
* As in miter-stroke, index = a + b, and a is the current index, b is the shift
* from the first index. The index layout:
* outer AA line: 0~3, 4~7
* outer edge: 8~11, 12~15
* inner edge: 16~19
* inner AA line: 20~23
* Following comes a bevel-stroke rect and its indices:
*
* 4 7
* *********************************
* * ______________________________ *
* * / 12 15 \ *
* * / \ *
* 0 * |8 16_____________________19 11 | * 3
* * | | | | *
* * | | **************** | | *
* * | | * 20 23 * | | *
* * | | * * | | *
* * | | * 21 22 * | | *
* * | | **************** | | *
* * | |____________________| | *
* 1 * |9 17 18 10| * 2
* * \ / *
* * \13 __________________________14/ *
* * *
* **********************************
* 5 6
*/
static const uint16_t gBevelIndices[] = {
// Draw outer AA, from outer AA line to outer edge, shift is 0.
0 + 0, 1 + 0, 9 + 0, 9 + 0, 8 + 0, 0 + 0,
1 + 0, 5 + 0, 13 + 0, 13 + 0, 9 + 0, 1 + 0,
5 + 0, 6 + 0, 14 + 0, 14 + 0, 13 + 0, 5 + 0,
6 + 0, 2 + 0, 10 + 0, 10 + 0, 14 + 0, 6 + 0,
2 + 0, 3 + 0, 11 + 0, 11 + 0, 10 + 0, 2 + 0,
3 + 0, 7 + 0, 15 + 0, 15 + 0, 11 + 0, 3 + 0,
7 + 0, 4 + 0, 12 + 0, 12 + 0, 15 + 0, 7 + 0,
4 + 0, 0 + 0, 8 + 0, 8 + 0, 12 + 0, 4 + 0,
// Draw the stroke, from outer edge to inner edge, shift is 8.
0 + 8, 1 + 8, 9 + 8, 9 + 8, 8 + 8, 0 + 8,
1 + 8, 5 + 8, 9 + 8,
5 + 8, 6 + 8, 10 + 8, 10 + 8, 9 + 8, 5 + 8,
6 + 8, 2 + 8, 10 + 8,
2 + 8, 3 + 8, 11 + 8, 11 + 8, 10 + 8, 2 + 8,
3 + 8, 7 + 8, 11 + 8,
7 + 8, 4 + 8, 8 + 8, 8 + 8, 11 + 8, 7 + 8,
4 + 8, 0 + 8, 8 + 8,
// Draw the inner AA, from inner edge to inner AA line, shift is 16.
0 + 16, 1 + 16, 5 + 16, 5 + 16, 4 + 16, 0 + 16,
1 + 16, 2 + 16, 6 + 16, 6 + 16, 5 + 16, 1 + 16,
2 + 16, 3 + 16, 7 + 16, 7 + 16, 6 + 16, 2 + 16,
3 + 16, 0 + 16, 4 + 16, 4 + 16, 7 + 16, 3 + 16,
};
GR_STATIC_ASSERT(SK_ARRAY_COUNT(gBevelIndices) == kBevelIndexCnt);
GR_DEFINE_STATIC_UNIQUE_KEY(gBevelIndexBufferKey);
return resourceProvider->refOrCreateInstancedIndexBuffer(gBevelIndices,
kBevelIndexCnt, kNumBevelRectsInIndexBuffer, kBevelVertexCnt,
gBevelIndexBufferKey);
}
}
void GrFillRRectOp::onExecute(GrOpFlushState* flushState, const SkRect& chainBounds) {
if (!fInstanceBuffer) {
return; // Setup failed.
}
sk_sp<const GrBuffer> indexBuffer, vertexBuffer;
int indexCount;
if (GrAAType::kCoverage == fAAType) {
GR_DEFINE_STATIC_UNIQUE_KEY(gCoverageIndexBufferKey);
indexBuffer = flushState->resourceProvider()->findOrMakeStaticBuffer(
GrGpuBufferType::kIndex, sizeof(kCoverageIndexData), kCoverageIndexData,
gCoverageIndexBufferKey);
GR_DEFINE_STATIC_UNIQUE_KEY(gCoverageVertexBufferKey);
vertexBuffer = flushState->resourceProvider()->findOrMakeStaticBuffer(
GrGpuBufferType::kVertex, sizeof(kCoverageVertexData), kCoverageVertexData,
gCoverageVertexBufferKey);
indexCount = SK_ARRAY_COUNT(kCoverageIndexData);
} else {
GR_DEFINE_STATIC_UNIQUE_KEY(gMSAAIndexBufferKey);
indexBuffer = flushState->resourceProvider()->findOrMakeStaticBuffer(
GrGpuBufferType::kIndex, sizeof(kMSAAIndexData), kMSAAIndexData,
gMSAAIndexBufferKey);
GR_DEFINE_STATIC_UNIQUE_KEY(gMSAAVertexBufferKey);
vertexBuffer = flushState->resourceProvider()->findOrMakeStaticBuffer(
GrGpuBufferType::kVertex, sizeof(kMSAAVertexData), kMSAAVertexData,
gMSAAVertexBufferKey);
indexCount = SK_ARRAY_COUNT(kMSAAIndexData);
}
if (!indexBuffer || !vertexBuffer) {
return;
}
Processor proc(fAAType, fFlags);
SkASSERT(proc.instanceStride() == (size_t)fInstanceStride);
GrPipeline::InitArgs initArgs;
if (GrAAType::kMSAA == fAAType) {
initArgs.fInputFlags = GrPipeline::InputFlags::kHWAntialias;
}
initArgs.fCaps = &flushState->caps();
initArgs.fResourceProvider = flushState->resourceProvider();
initArgs.fDstProxy = flushState->drawOpArgs().fDstProxy;
auto clip = flushState->detachAppliedClip();
GrPipeline::FixedDynamicState fixedDynamicState(clip.scissorState().rect());
GrPipeline pipeline(initArgs, std::move(fProcessors), std::move(clip));
GrMesh mesh(GrPrimitiveType::kTriangles);
mesh.setIndexedInstanced(
std::move(indexBuffer), indexCount, fInstanceBuffer, fInstanceCount, fBaseInstance,
GrPrimitiveRestart::kNo);
mesh.setVertexData(std::move(vertexBuffer));
flushState->rtCommandBuffer()->draw(
proc, pipeline, &fixedDynamicState, nullptr, &mesh, 1, this->bounds());
}