When buffer size is less than 16, zero ends up being programmed as size, which prevents the hardware from fetching the correct values. Fix it by combining shift and align so that the value is always rounded up.
Cc: "11.1 11.0 10.6" <mesa-sta...@lists.freedesktop.org> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=92229 Signed-off-by: Grazvydas Ignotas <nota...@gmail.com> --- Only tested on Juniper, but I guess others will need this too. src/gallium/drivers/r600/evergreen_state.c | 2 +- src/gallium/drivers/r600/r600_state.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/src/gallium/drivers/r600/evergreen_state.c b/src/gallium/drivers/r600/evergreen_state.c index 1443bc0..1aee7dd 100644 --- a/src/gallium/drivers/r600/evergreen_state.c +++ b/src/gallium/drivers/r600/evergreen_state.c @@ -1956,7 +1956,7 @@ static void evergreen_emit_constant_buffers(struct r600_context *rctx, if (!gs_ring_buffer) { radeon_set_context_reg_flag(cs, reg_alu_constbuf_size + buffer_index * 4, - ALIGN_DIVUP(cb->buffer_size >> 4, 16), pkt_flags); + ALIGN_DIVUP(cb->buffer_size, 256), pkt_flags); radeon_set_context_reg_flag(cs, reg_alu_const_cache + buffer_index * 4, va >> 8, pkt_flags); } diff --git a/src/gallium/drivers/r600/r600_state.c b/src/gallium/drivers/r600/r600_state.c index e7ffe0d..43b8074 100644 --- a/src/gallium/drivers/r600/r600_state.c +++ b/src/gallium/drivers/r600/r600_state.c @@ -1768,7 +1768,7 @@ static void r600_emit_constant_buffers(struct r600_context *rctx, if (!gs_ring_buffer) { radeon_set_context_reg(cs, reg_alu_constbuf_size + buffer_index * 4, - ALIGN_DIVUP(cb->buffer_size >> 4, 16)); + ALIGN_DIVUP(cb->buffer_size, 256)); radeon_set_context_reg(cs, reg_alu_const_cache + buffer_index * 4, offset >> 8); } -- 2.6.4 _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev