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-rw-r--r--src/gallium/drivers/softpipe/sp_draw_arrays.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/src/gallium/drivers/softpipe/sp_draw_arrays.c b/src/gallium/drivers/softpipe/sp_draw_arrays.c
index 839fd220500..45b1390de4d 100644
--- a/src/gallium/drivers/softpipe/sp_draw_arrays.c
+++ b/src/gallium/drivers/softpipe/sp_draw_arrays.c
@@ -89,13 +89,20 @@ softpipe_draw_vbo(struct pipe_context *pipe,
/* Map index buffer, if present */
if (info->indexed) {
+ unsigned available_space = ~0;
mapped_indices = sp->index_buffer.user_buffer;
- if (!mapped_indices)
+ if (!mapped_indices) {
mapped_indices = softpipe_resource(sp->index_buffer.buffer)->data;
+ if (sp->index_buffer.buffer->width0 > sp->index_buffer.offset)
+ available_space =
+ (sp->index_buffer.buffer->width0 - sp->index_buffer.offset);
+ else
+ available_space = 0;
+ }
draw_set_indexes(draw,
(ubyte *) mapped_indices + sp->index_buffer.offset,
- sp->index_buffer.index_size);
+ sp->index_buffer.index_size, available_space);
}
@@ -125,7 +132,7 @@ softpipe_draw_vbo(struct pipe_context *pipe,
draw_set_mapped_vertex_buffer(draw, i, NULL, 0);
}
if (mapped_indices) {
- draw_set_indexes(draw, NULL, 0);
+ draw_set_indexes(draw, NULL, 0, 0);
}
draw_set_mapped_so_targets(draw, 0, NULL);