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wg_engine: fix miter qdge cases math

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Sergii Liebodkin 2024-10-15 12:13:17 +00:00 • committed by Hermet Park
parent 40cff2d6f5
commit adebbcd4e2
2 changed files with 6 additions and 0 deletions
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4
src/renderer/wg_engine/tvgWgCompositor.cpp
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@ -376,6 +376,8 @@ void WgCompositor::drawClipPath(WgContext& context, WgRenderDataShape* renderDat
assert(renderData);
assert(renderPassEncoder);
assert(renderData->meshGroupShapes.meshes.count == renderData->meshGroupShapesBBox.meshes.count);
if (renderData->renderSettingsShape.skip) return;
if (renderData->meshGroupShapes.meshes.count == 0) return;
if ((renderData->viewport.w <= 0) || (renderData->viewport.h <= 0)) return;
wgpuRenderPassEncoderSetScissorRect(renderPassEncoder, renderData->viewport.x, renderData->viewport.y, renderData->viewport.w, renderData->viewport.h);
// setup stencil rules
@ -404,6 +406,7 @@ void WgCompositor::drawShape(WgContext& context, WgRenderDataShape* renderData,
assert(renderData->meshGroupShapes.meshes.count == renderData->meshGroupShapesBBox.meshes.count);
uint32_t blendTypeInd = (uint32_t)blendType;
if (renderData->renderSettingsShape.skip) return;
if (renderData->meshGroupShapes.meshes.count == 0) return;
if ((renderData->viewport.w <= 0) || (renderData->viewport.h <= 0)) return;
wgpuRenderPassEncoderSetScissorRect(renderPassEncoder, renderData->viewport.x, renderData->viewport.y, renderData->viewport.w, renderData->viewport.h);
// setup stencil rules
@ -442,6 +445,7 @@ void WgCompositor::drawStrokes(WgContext& context, WgRenderDataShape* renderData
assert(renderData->meshGroupStrokes.meshes.count == renderData->meshGroupStrokesBBox.meshes.count);
uint32_t blendTypeInd = (uint32_t)blendType;
if (renderData->renderSettingsStroke.skip) return;
if (renderData->meshGroupStrokes.meshes.count == 0) return;
if ((renderData->viewport.w <= 0) || (renderData->viewport.h <= 0)) return;
wgpuRenderPassEncoderSetScissorRect(renderPassEncoder, renderData->viewport.x, renderData->viewport.y, renderData->viewport.w, renderData->viewport.h);
// draw strokes to stencil (first pass)

2
src/renderer/wg_engine/tvgWgGeometry.h
View file

@ -335,7 +335,9 @@ struct WgVertexBufferInd {
Point offset2 = nrm2 * halfWidth;
Point nrm = normalize(nrm1 + nrm2);
float cosine = dot(nrm, nrm1);
if (tvg::zero(cosine)) return;
float angle = std::acos(dot(nrm1, -nrm2));
if (tvg::zero(angle) || tvg::equal(angle, M_PI)) return;
float miterRatio = 1.0f / (std::sin(angle) * 0.5f);
if (miterRatio <= miterLimit) {
appendQuad(v1 + nrm * (halfWidth / cosine), v1 + offset2, v1 + offset1, v1);