freedreno/a6xx: Set index buffer size to bo size

The number of vertices may be out of bound and if we use it for
computing index buffer size we may get too big a size.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5552>

diff --git a/src/gallium/drivers/freedreno/a6xx/fd6_draw.c b/src/gallium/drivers/freedreno/a6xx/fd6_draw.c
index 0279b2ee872cec04012fd914934b539a2e226d4d..f8b87b76f1391c2fc864605e29b09c91753455da 100644 (file)
--- a/src/gallium/drivers/freedreno/a6xx/fd6_draw.c
+++ b/src/gallium/drivers/freedreno/a6xx/fd6_draw.c
@@ -82,7 +82,7 @@ draw_emit(struct fd_ringbuffer *ring,
                assert(!info->has_user_indices);
 
                struct pipe_resource *idx_buffer = info->index.resource;
-               uint32_t idx_size = info->index_size * info->count;
+               uint32_t idx_size = idx_buffer->width0 - index_offset;
                uint32_t idx_offset = index_offset + info->start * info->index_size;
 
                OUT_PKT(ring, CP_DRAW_INDX_OFFSET,