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Diffstat (limited to 'src/mesa/state_tracker/st_draw.c')
-rw-r--r--src/mesa/state_tracker/st_draw.c21
1 files changed, 17 insertions, 4 deletions
diff --git a/src/mesa/state_tracker/st_draw.c b/src/mesa/state_tracker/st_draw.c
index de539ca5a6f..de62264a16c 100644
--- a/src/mesa/state_tracker/st_draw.c
+++ b/src/mesa/state_tracker/st_draw.c
@@ -84,7 +84,12 @@ all_varyings_in_vbos(const struct gl_client_array *arrays[])
}
-static void
+/**
+ * Basically, translate Mesa's index buffer information into
+ * a pipe_index_buffer object.
+ * \return TRUE or FALSE for success/failure
+ */
+static boolean
setup_index_buffer(struct st_context *st,
const struct _mesa_index_buffer *ib,
struct pipe_index_buffer *ibuffer)
@@ -100,8 +105,12 @@ setup_index_buffer(struct st_context *st,
ibuffer->offset = pointer_to_offset(ib->ptr);
}
else if (st->indexbuf_uploader) {
- u_upload_data(st->indexbuf_uploader, 0, ib->count * ibuffer->index_size,
- ib->ptr, &ibuffer->offset, &ibuffer->buffer);
+ if (u_upload_data(st->indexbuf_uploader, 0,
+ ib->count * ibuffer->index_size, ib->ptr,
+ &ibuffer->offset, &ibuffer->buffer) != PIPE_OK) {
+ /* out of memory */
+ return FALSE;
+ }
u_upload_unmap(st->indexbuf_uploader);
}
else {
@@ -110,6 +119,7 @@ setup_index_buffer(struct st_context *st,
}
cso_set_index_buffer(st->cso_context, ibuffer);
+ return TRUE;
}
@@ -220,7 +230,10 @@ st_draw_vbo(struct gl_context *ctx,
vbo_get_minmax_indices(ctx, prims, ib, &min_index, &max_index,
nr_prims);
- setup_index_buffer(st, ib, &ibuffer);
+ if (!setup_index_buffer(st, ib, &ibuffer)) {
+ /* out of memory */
+ return;
+ }
info.indexed = TRUE;
if (min_index != ~0 && max_index != ~0) {