Fix Mesh:setDrawRange base vertex;

bjornbytes · Sep 26, 2024 · 139af13 · 139af13
1 parent cc0f86c
commit 139af13
Show file tree

Hide file tree

Showing 2 changed files with 7 additions and 1 deletion.
diff --git a/src/api/l_graphics_mesh.c b/src/api/l_graphics_mesh.c
@@ -268,7 +268,7 @@ static int l_lovrMeshSetDrawRange(lua_State* L) {
   } else {
     uint32_t start = luax_checku32(L, 2) - 1;
     uint32_t count = luax_checku32(L, 3);
-    uint32_t offset = luax_optu32(L, 3, 0);
+    uint32_t offset = luax_optu32(L, 4, 0);
     luax_assert(L, lovrMeshSetDrawRange(mesh, start, count, offset));
   }
 

diff --git a/test/lovr/graphics.lua b/test/lovr/graphics.lua
@@ -373,6 +373,12 @@ group('graphics', function()
         expect(mesh:getVertexBuffer():getData()).to.equal({{ x = 42 }})
       end)
     end)
+
+    test(':setDrawRange', function()
+      mesh = lovr.graphics.newMesh({{ 1, 2, 3 }, { 4, 5, 6 }, { 7, 8, 9 }})
+      mesh:setDrawRange(1, 3, 2)
+      expect({ mesh:getDrawRange() }).to.equal({ 1, 3, 2 })
+    end)
   end)
 
   group('Pass', function()