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-rw-r--r--src/mesa/drivers/dri/i965/brw_draw_upload.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_draw_upload.c b/src/mesa/drivers/dri/i965/brw_draw_upload.c
index 29ec9bb49dc..07f9f004fb8 100644
--- a/src/mesa/drivers/dri/i965/brw_draw_upload.c
+++ b/src/mesa/drivers/dri/i965/brw_draw_upload.c
@@ -808,6 +808,9 @@ static void brw_upload_indices(struct brw_context *brw)
* rebase it into a temporary.
*/
if ((ib_type_size - 1) & offset) {
+ perf_debug("copying index buffer to a temporary to work around "
+ "misaligned offset %d\n", offset);
+
GLubyte *map = ctx->Driver.MapBufferRange(ctx,
offset,
ib_size,