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DrawList: fixed indices when AllowVtxOffset is on

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- fix shape closing indices for AddPolyline and _AddRectTinyRounding
This commit is contained in:
Mikko Mononen
2026-06-02 12:27:39 +03:00
committed by ocornut
parent 2974c9155f
commit 065c6c0d0a
1 changed files with 7 additions and 6 deletions
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13
imgui_draw.cpp
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@@ -1177,8 +1177,8 @@ void ImDrawList::_AddPolyline(const ImVec2* points, ImVec2* normals, float* sqr_
else
{
// Connect the path.
start_vtx_ptr[0] = VtxBuffer.Data[base_idx+0];
start_vtx_ptr[1] = VtxBuffer.Data[base_idx+1];
start_vtx_ptr[0] = VtxBuffer.Data[_CmdHeader.VtxOffset + base_idx+0];
start_vtx_ptr[1] = VtxBuffer.Data[_CmdHeader.VtxOffset + base_idx+1];
}
// Restore unused memory
@@ -2500,6 +2500,7 @@ void ImDrawList::_AddRectBaked(const ImVec2& p_min, const ImVec2& p_max, ImU32 c
const int idx_used = (int)(_IdxWritePtr - start_idx_ptr);
const int vtx_used = (int)(_VtxWritePtr - start_vtx_ptr);
IM_ASSERT_PARANOID(idx_used <= idx_allocated && vtx_used <= vtx_allocated);
if (idx_used < idx_allocated || vtx_used < vtx_allocated)
PrimUnreserve(idx_allocated - idx_used, vtx_allocated - vtx_used);
}
@@ -2613,13 +2614,13 @@ void ImDrawList::_AddRectTinyRounding(const ImVec2& p_min, const ImVec2& p_max,
}
// Close
start_vtx_ptr[0] = VtxBuffer.Data[base_idx + 0];
start_vtx_ptr[1] = VtxBuffer.Data[base_idx + 1];
start_vtx_ptr[2] = VtxBuffer.Data[base_idx + 2];
start_vtx_ptr[0] = VtxBuffer.Data[_CmdHeader.VtxOffset + base_idx + 0];
start_vtx_ptr[1] = VtxBuffer.Data[_CmdHeader.VtxOffset + base_idx + 1];
start_vtx_ptr[2] = VtxBuffer.Data[_CmdHeader.VtxOffset + base_idx + 2];
const int idx_used = (int)(_IdxWritePtr - start_idx_ptr);
const int vtx_used = (int)(_VtxWritePtr - start_vtx_ptr);
IM_ASSERT(idx_used <= idx_count && vtx_used <= vtx_count);
IM_ASSERT_PARANOID(idx_used <= idx_count && vtx_used <= vtx_count);
if (idx_used < idx_count || vtx_used < vtx_count)
PrimUnreserve(idx_count - idx_used, vtx_count - vtx_used);