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Added assert to check for 16-bit index overflow

This commit is contained in:
vurtun 2018-05-14 15:26:05 +02:00
parent f228e73f37
commit 299446aeca
3 changed files with 25762 additions and 1 deletions
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25749
src/nuklear.h
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2
src/nuklear_scrollbar.c
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@ -109,7 +109,7 @@ nk_draw_scrollbar(struct nk_command_buffer *out, nk_flags state,
}
/* draw cursor */
if (background->type == NK_STYLE_ITEM_COLOR) {
if (cursor->type == NK_STYLE_ITEM_COLOR) {
nk_fill_rect(out, *scroll, style->rounding_cursor, cursor->data.color);
nk_stroke_rect(out, *scroll, style->rounding_cursor, style->border_cursor, style->cursor_border_color);
} else nk_draw_image(out, *scroll, &cursor->data.image, nk_white);

12
src/nuklear_vertex.c
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@ -223,6 +223,18 @@ nk_draw_list_alloc_vertices(struct nk_draw_list *list, nk_size count)
list->config.vertex_size*count, list->config.vertex_alignment);
if (!vtx) return 0;
list->vertex_count += (unsigned int)count;
/* This assert triggers because your are drawing a lot of stuff and nuklear
* defined `nk_draw_index` as `nk_ushort` to safe space be default.
*
* So you reached the maximum number of indicies or rather vertexes.
* To solve this issue please change typdef `nk_draw_index` to `nk_uint`
* and don't forget to specify the new element size in your drawing
* backend (OpenGL, DirectX, ...). For example in OpenGL for `glDrawElements`
* instead of specifing `GL_UNSIGNED_SHORT` you have to define `GL_UNSIGNED_INT`.
* Sorry for the inconvenience. */
NK_ASSERT((sizeof(nk_draw_index) == 2 && list->vertex_count < NK_USHORT_MAX &&
"To many verticies for 16-bit vertex indicies. Please read comment above on how to solve this problem");
return vtx;
}
NK_INTERN nk_draw_index*