diff options
| -rw-r--r-- | src/gallium/auxiliary/draw/draw_gs.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/src/gallium/auxiliary/draw/draw_gs.c b/src/gallium/auxiliary/draw/draw_gs.c index 97e8a90f284..7de5e0308ec 100644 --- a/src/gallium/auxiliary/draw/draw_gs.c +++ b/src/gallium/auxiliary/draw/draw_gs.c @@ -552,6 +552,10 @@ int draw_geometry_shader_run(struct draw_geometry_shader *shader, u_decomposed_prims_for_vertices(shader->output_primitive, shader->max_output_vertices) * num_in_primitives; + /* we allocate exactly one extra vertex per primitive to allow the GS to emit + * overflown vertices into some area where they won't harm anyone */ + unsigned total_verts_per_buffer = shader->primitive_boundary * + num_in_primitives; //Assume at least one primitive max_out_prims = MAX2(max_out_prims, 1); @@ -559,23 +563,25 @@ int draw_geometry_shader_run(struct draw_geometry_shader *shader, output_verts->vertex_size = vertex_size; output_verts->stride = output_verts->vertex_size; - /* we allocate exactly one extra vertex per primitive to allow the GS to emit - * overflown vertices into some area where they won't harm anyone */ output_verts->verts = (struct vertex_header *)MALLOC(output_verts->vertex_size * - max_out_prims * - shader->primitive_boundary); + total_verts_per_buffer); + debug_assert(output_verts->verts); #if 0 debug_printf("%s count = %d (in prims # = %d)\n", __FUNCTION__, num_input_verts, num_in_primitives); debug_printf("\tlinear = %d, prim_info->count = %d\n", input_prim->linear, input_prim->count); - debug_printf("\tprim pipe = %s, shader in = %s, shader out = %s, max out = %d\n", + debug_printf("\tprim pipe = %s, shader in = %s, shader out = %s\n" u_prim_name(input_prim->prim), u_prim_name(shader->input_primitive), - u_prim_name(shader->output_primitive), - shader->max_output_vertices); + u_prim_name(shader->output_primitive)); + debug_printf("\tmaxv = %d, maxp = %d, primitive_boundary = %d, " + "vertex_size = %d, tverts = %d\n", + shader->max_output_vertices, max_out_prims, + shader->primitive_boundary, output_verts->vertex_size, + total_verts_per_buffer); #endif shader->emitted_vertices = 0; |