aboutsummaryrefslogtreecommitdiff
path: root/samplecode/SampleCCPRGeometry.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'samplecode/SampleCCPRGeometry.cpp')
-rw-r--r--samplecode/SampleCCPRGeometry.cpp98
1 files changed, 43 insertions, 55 deletions
diff --git a/samplecode/SampleCCPRGeometry.cpp b/samplecode/SampleCCPRGeometry.cpp
index 16041f5be7..a8f0d9e02c 100644
--- a/samplecode/SampleCCPRGeometry.cpp
+++ b/samplecode/SampleCCPRGeometry.cpp
@@ -26,15 +26,11 @@
#include "ops/GrDrawOp.h"
using TriangleInstance = GrCCPRCoverageProcessor::TriangleInstance;
-using CurveInstance = GrCCPRCoverageProcessor::CurveInstance;
+using CubicInstance = GrCCPRCoverageProcessor::CubicInstance;
using RenderPass = GrCCPRCoverageProcessor::RenderPass;
static constexpr float kDebugBloat = 40;
-static int num_points(RenderPass renderPass) {
- return renderPass >= RenderPass::kSerpentineHulls ? 4 : 3;
-}
-
static int is_quadratic(RenderPass renderPass) {
return renderPass >= RenderPass::kQuadraticHulls && renderPass < RenderPass::kSerpentineHulls;
}
@@ -74,9 +70,8 @@ private:
{100.05f, 300.95f}
};
- SkTArray<SkPoint> fGpuPoints;
- SkTArray<int32_t> fInstanceData;
- int fInstanceCount;
+ SkTArray<TriangleInstance> fTriangleInstances;
+ SkTArray<CubicInstance> fCubicInstances;
typedef SampleView INHERITED;
};
@@ -135,7 +130,7 @@ void CCPRGeometryView::onDrawContent(SkCanvas* canvas) {
SkPath outline;
outline.moveTo(fPoints[0]);
- if (4 == num_points(fRenderPass)) {
+ if (GrCCPRCoverageProcessor::RenderPassIsCubic(fRenderPass)) {
outline.cubicTo(fPoints[1], fPoints[2], fPoints[3]);
} else if (is_quadratic(fRenderPass)) {
outline.quadTo(fPoints[1], fPoints[3]);
@@ -179,7 +174,7 @@ void CCPRGeometryView::onDrawContent(SkCanvas* canvas) {
pointsPaint.setStrokeWidth(8);
pointsPaint.setAntiAlias(true);
- if (4 == num_points(fRenderPass)) {
+ if (GrCCPRCoverageProcessor::RenderPassIsCubic(fRenderPass)) {
int w = this->width(), h = this->height();
canvas->drawPoints(SkCanvas::kPoints_PointMode, 4, fPoints, pointsPaint);
draw_klm_line(w, h, canvas, &fCubicKLM[0], SK_ColorYELLOW);
@@ -198,13 +193,10 @@ void CCPRGeometryView::onDrawContent(SkCanvas* canvas) {
}
void CCPRGeometryView::updateGpuData() {
- int vertexCount = num_points(fRenderPass);
+ fTriangleInstances.reset();
+ fCubicInstances.reset();
- fGpuPoints.reset();
- fInstanceData.reset();
- fInstanceCount = 0;
-
- if (4 == vertexCount) {
+ if (GrCCPRCoverageProcessor::RenderPassIsCubic(fRenderPass)) {
double t[2], s[2];
SkCubicType type = GrPathUtils::getCubicKLM(fPoints, &fCubicKLM, t, s);
if (RenderPass::kSerpentineHulls == fRenderPass && SkCubicType::kLoop == type) {
@@ -224,7 +216,6 @@ void CCPRGeometryView::updateGpuData() {
geometry.beginContour(fPoints[0]);
geometry.cubicTo(fPoints[1], fPoints[2], fPoints[3], kDebugBloat/2, kDebugBloat/2);
geometry.endContour();
- fGpuPoints.push_back_n(geometry.points().count(), geometry.points().begin());
int ptsIdx = 0;
for (GrCCPRGeometry::Verb verb : geometry.verbs()) {
switch (verb) {
@@ -236,10 +227,8 @@ void CCPRGeometryView::updateGpuData() {
continue;
case GrCCPRGeometry::Verb::kMonotonicSerpentineTo:
case GrCCPRGeometry::Verb::kMonotonicLoopTo:
- fInstanceData.push_back(ptsIdx);
- fInstanceData.push_back(0); // Atlas offset.
+ fCubicInstances.push_back().set(&geometry.points()[ptsIdx], 0, 0);
ptsIdx += 3;
- ++fInstanceCount;
continue;
default: continue;
}
@@ -249,7 +238,7 @@ void CCPRGeometryView::updateGpuData() {
geometry.beginContour(fPoints[0]);
geometry.quadraticTo(fPoints[1], fPoints[3]);
geometry.endContour();
- fGpuPoints.push_back_n(geometry.points().count(), geometry.points().begin());
+ int ptsIdx = 0;
for (GrCCPRGeometry::Verb verb : geometry.verbs()) {
if (GrCCPRGeometry::Verb::kBeginContour == verb ||
GrCCPRGeometry::Verb::kEndOpenContour == verb ||
@@ -257,59 +246,58 @@ void CCPRGeometryView::updateGpuData() {
continue;
}
SkASSERT(GrCCPRGeometry::Verb::kMonotonicQuadraticTo == verb);
- fInstanceData.push_back(2 * fInstanceCount++); // Pts idx.
- fInstanceData.push_back(0); // Atlas offset.
+ fTriangleInstances.push_back().set(&geometry.points()[ptsIdx], Sk2f(0, 0));
+ ptsIdx += 2;
}
} else {
- fGpuPoints.push_back(fPoints[0]);
- fGpuPoints.push_back(fPoints[1]);
- fGpuPoints.push_back(fPoints[3]);
- fInstanceData.push_back(0);
- fInstanceData.push_back(1);
- fInstanceData.push_back(2);
- fInstanceData.push_back(0); // Atlas offset.
- fInstanceCount = 1;
+ fTriangleInstances.push_back().set(fPoints[0], fPoints[1], fPoints[3], Sk2f(0, 0));
}
}
void CCPRGeometryView::Op::onExecute(GrOpFlushState* state) {
- if (fView->fInstanceData.empty()) {
- return;
- }
-
GrResourceProvider* rp = state->resourceProvider();
GrContext* context = state->gpu()->getContext();
GrGLGpu* glGpu = kOpenGL_GrBackend == context->contextPriv().getBackend() ?
static_cast<GrGLGpu*>(state->gpu()) : nullptr;
- int vertexCount = num_points(fView->fRenderPass);
- sk_sp<GrBuffer> pointsBuffer(rp->createBuffer(fView->fGpuPoints.count() * sizeof(SkPoint),
- kTexel_GrBufferType, kDynamic_GrAccessPattern,
+ bool isCubic = GrCCPRCoverageProcessor::RenderPassIsCubic(fView->fRenderPass);
+ GrMesh mesh(isCubic ? GrPrimitiveType::kLinesAdjacency : GrPrimitiveType::kTriangles);
+ if (isCubic) {
+ if (fView->fCubicInstances.empty()) {
+ return;
+ }
+ sk_sp<GrBuffer> instBuff(rp->createBuffer(fView->fCubicInstances.count() *
+ sizeof(CubicInstance), kVertex_GrBufferType,
+ kDynamic_GrAccessPattern,
GrResourceProvider::kNoPendingIO_Flag |
GrResourceProvider::kRequireGpuMemory_Flag,
- fView->fGpuPoints.begin()));
- if (!pointsBuffer) {
- return;
- }
-
- sk_sp<GrBuffer> instanceBuffer(rp->createBuffer(fView->fInstanceData.count() * sizeof(int),
- kVertex_GrBufferType, kDynamic_GrAccessPattern,
- GrResourceProvider::kNoPendingIO_Flag |
- GrResourceProvider::kRequireGpuMemory_Flag,
- fView->fInstanceData.begin()));
- if (!instanceBuffer) {
- return;
+ fView->fCubicInstances.begin()));
+ if (!instBuff) {
+ return;
+ }
+ mesh.setInstanced(instBuff.get(), fView->fCubicInstances.count(), 0, 4);
+ } else {
+ if (fView->fTriangleInstances.empty()) {
+ return;
+ }
+ sk_sp<GrBuffer> instBuff(rp->createBuffer(fView->fTriangleInstances.count() *
+ sizeof(TriangleInstance), kVertex_GrBufferType,
+ kDynamic_GrAccessPattern,
+ GrResourceProvider::kNoPendingIO_Flag |
+ GrResourceProvider::kRequireGpuMemory_Flag,
+ fView->fTriangleInstances.begin()));
+ if (!instBuff) {
+ return;
+ }
+ mesh.setInstanced(instBuff.get(), fView->fTriangleInstances.count(), 0, 3);
}
GrPipeline pipeline(state->drawOpArgs().fProxy, GrPipeline::ScissorState::kDisabled,
SkBlendMode::kSrcOver);
- GrCCPRCoverageProcessor ccprProc(fView->fRenderPass, pointsBuffer.get());
+ GrCCPRCoverageProcessor ccprProc(fView->fRenderPass);
SkDEBUGCODE(ccprProc.enableDebugVisualizations(kDebugBloat);)
- GrMesh mesh(4 == vertexCount ? GrPrimitiveType::kLinesAdjacency : GrPrimitiveType::kTriangles);
- mesh.setInstanced(instanceBuffer.get(), fView->fInstanceCount, 0, vertexCount);
-
if (glGpu) {
glGpu->handleDirtyContext();
GR_GL_CALL(glGpu->glInterface(), PolygonMode(GR_GL_FRONT_AND_BACK, GR_GL_LINE));
@@ -348,7 +336,7 @@ private:
SkView::Click* CCPRGeometryView::onFindClickHandler(SkScalar x, SkScalar y, unsigned) {
for (int i = 0; i < 4; ++i) {
- if (4 != num_points(fRenderPass) && 2 == i) {
+ if (!GrCCPRCoverageProcessor::RenderPassIsCubic(fRenderPass) && 2 == i) {
continue;
}
if (fabs(x - fPoints[i].x()) < 20 && fabsf(y - fPoints[i].y()) < 20) {