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Optimize draw3DBox generic case

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This commit is contained in:
sfan5 2025-01-02 12:32:45 +01:00
parent 4e2ca05f08
commit 0614b175b5
3 changed files with 10 additions and 76 deletions
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23
irr/src/CNullDriver.cpp
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@ -619,20 +619,17 @@ void CNullDriver::draw3DBox(const core::aabbox3d<f32> &box, SColor color)
core::vector3df edges[8];
box.getEdges(edges);
// TODO: optimize into one big drawIndexPrimitive call.
video::S3DVertex v[8];
for (u32 i = 0; i < 8; i++) {
v[i].Pos = edges[i];
v[i].Color = color;
}
draw3DLine(edges[5], edges[1], color);
draw3DLine(edges[1], edges[3], color);
draw3DLine(edges[3], edges[7], color);
draw3DLine(edges[7], edges[5], color);
draw3DLine(edges[0], edges[2], color);
draw3DLine(edges[2], edges[6], color);
draw3DLine(edges[6], edges[4], color);
draw3DLine(edges[4], edges[0], color);
draw3DLine(edges[1], edges[0], color);
draw3DLine(edges[3], edges[2], color);
draw3DLine(edges[7], edges[6], color);
draw3DLine(edges[5], edges[4], color);
const static u16 box_indices[24] = {
5, 1, 1, 3, 3, 7, 7, 5, 0, 2, 2, 6, 6, 4, 4, 0, 1, 0, 3, 2, 7, 6, 5, 4
};
drawVertexPrimitiveList(v, 8, box_indices, 12, EVT_STANDARD, scene::EPT_LINES);
}
//! draws an 2d image