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-rw-r--r--src/gallium/auxiliary/draw/draw_gs.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/src/gallium/auxiliary/draw/draw_gs.c b/src/gallium/auxiliary/draw/draw_gs.c
index a1ca7071e35..52f61d29b79 100644
--- a/src/gallium/auxiliary/draw/draw_gs.c
+++ b/src/gallium/auxiliary/draw/draw_gs.c
@@ -367,9 +367,11 @@ int draw_geometry_shader_run(struct draw_geometry_shader *shader,
gs_run(shader, pipe_prim, count);
- memcpy(output, pipeline_verts->data,
- shader->info.num_outputs * 4 * sizeof(float) +
- vertex_size * (shader->emitted_vertices -1));
+ if (shader->emitted_vertices > 0) {
+ memcpy(output, pipeline_verts->data,
+ shader->info.num_outputs * 4 * sizeof(float) +
+ vertex_size * (shader->emitted_vertices -1));
+ }
FREE(pipeline_verts);
return shader->emitted_vertices;