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fix possible crash in GridRender

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probably introduced in 22c8471bf2
This commit is contained in:
fgenesis 2024-02-06 01:34:20 +01:00
parent 5a24f2868b
commit cd46cc24fa
1 changed files with 17 additions and 15 deletions
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4
Aquaria/GridRender.cpp
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@ -95,7 +95,8 @@ void GridRender::rebuildBuffers(const std::vector<ObsRow>& rows)
{
const size_t H = game->getGridSize().y;
primIndexInLine.resize(H);
if(H)
{
size_t lasty = 0;
size_t lastidx = 0;
for(size_t i = 0; i < N; ++i)
@ -115,6 +116,7 @@ void GridRender::rebuildBuffers(const std::vector<ObsRow>& rows)
// Don't bother filling the rest, anything beyond the end is eval'd as primsToDraw
primIndexInLine.resize(lasty);
}
}
// 2 tris = 6 verts per ObsRow, each vertex is 2x uint16, makes 24b per quad.
// We could use indexed rendering and use 2 verts less (16b),