From 3c4e43e72be3bcb70d7cfb9abcaf77d4c0c75f57 Mon Sep 17 00:00:00 2001 From: Anuj Phogat Date: Thu, 5 Nov 2020 10:33:44 -0800 Subject: intel: Pointer to SCISSOR_RECT array should be 64B aligned v2: Apply the workaround to all gen hardawre Ref: GEN:BUG:1409725701 Signed-off-by: Anuj Phogat Reviewed-by: Ivan Briano Reviewed-by: Nanley Chery Part-of: --- src/mesa/drivers/dri/i965/genX_state_upload.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) (limited to 'src/mesa/drivers') diff --git a/src/mesa/drivers/dri/i965/genX_state_upload.c b/src/mesa/drivers/dri/i965/genX_state_upload.c index 5ebe2cac6b6..75dccad00bf 100644 --- a/src/mesa/drivers/dri/i965/genX_state_upload.c +++ b/src/mesa/drivers/dri/i965/genX_state_upload.c @@ -2365,10 +2365,16 @@ genX(upload_scissor_state)(struct brw_context *brw) /* BRW_NEW_VIEWPORT_COUNT */ const unsigned viewport_count = brw->clip.viewport_count; - + /* GEN:BUG:1409725701: + * "The viewport-specific state used by the SF unit (SCISSOR_RECT) is + * stored as an array of up to 16 elements. The location of first + * element of the array, as specified by Pointer to SCISSOR_RECT, should + * be aligned to a 64-byte boundary. + */ + const unsigned alignment = 64; scissor_map = brw_state_batch( brw, GENX(SCISSOR_RECT_length) * sizeof(uint32_t) * viewport_count, - 32, &scissor_state_offset); + alignment, &scissor_state_offset); /* _NEW_SCISSOR | _NEW_BUFFERS | _NEW_VIEWPORT */ -- cgit v1.2.3