radeonsi: fix incorrect index buffer max size for lowered 8-bit indices

Cc: 10.2 10.3 mesa-stable@lists.freedesktop.org
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>

diff --git a/src/gallium/drivers/radeonsi/si_state_draw.c b/src/gallium/drivers/radeonsi/si_state_draw.c
index 4f81dacadb506961560e9e996e743c042a4e4f2f..708e42aed26f10805d66b640574cd89a4aa1b3a1 100644 (file)
--- a/src/gallium/drivers/radeonsi/si_state_draw.c
+++ b/src/gallium/drivers/radeonsi/si_state_draw.c
@@ -750,7 +750,7 @@ static void si_state_draw(struct si_context *sctx,
 
        if (info->indexed) {
                uint32_t max_size = (ib->buffer->width0 - ib->offset) /
-                                sctx->index_buffer.index_size;
+                                   ib->index_size;
                uint64_t va = r600_resource(ib->buffer)->gpu_address + ib->offset;
 
                si_pm4_add_bo(pm4, (struct r600_resource *)ib->buffer, RADEON_USAGE_READ,