diff options
| -rw-r--r-- | src/gallium/auxiliary/draw/draw_pipe_wide_point.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/gallium/auxiliary/draw/draw_pipe_wide_point.c b/src/gallium/auxiliary/draw/draw_pipe_wide_point.c index 40843c58c2..3646c6a714 100644 --- a/src/gallium/auxiliary/draw/draw_pipe_wide_point.c +++ b/src/gallium/auxiliary/draw/draw_pipe_wide_point.c @@ -237,7 +237,11 @@ widepoint_first_point(struct draw_stage *stage, for (i = 0; i < fs->info.num_inputs; i++) { if (fs->info.input_semantic_name[i] == TGSI_SEMANTIC_GENERIC) { const int generic_index = fs->info.input_semantic_index[i]; - if (rast->sprite_coord_enable & (1 << generic_index)) { + /* Note that sprite_coord enable is a bitfield of + * PIPE_MAX_SHADER_OUTPUTS bits. + */ + if (generic_index < PIPE_MAX_SHADER_OUTPUTS && + (rast->sprite_coord_enable & (1 << generic_index))) { /* OK, this generic attribute needs to be replaced with a * texcoord (see above). */ |