From a49328d58d1e3e143f9434976d9f3574acefc4ea Mon Sep 17 00:00:00 2001 From: Matt Turner Date: Mon, 22 Jun 2015 10:59:33 -0700 Subject: [PATCH] i965/fs: Don't mess up stride for uniform integer multiplication. If the stride is 0, the source is a uniform and we should not modify the stride. Cc: "10.6" Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=91047 Reviewed-by: Kenneth Graunke --- src/mesa/drivers/dri/i965/brw_fs.cpp | 20 ++++++++++++++++---- 1 file changed, 16 insertions(+), 4 deletions(-) diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp index 5563c5aa76c..903624c97cf 100644 --- a/src/mesa/drivers/dri/i965/brw_fs.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs.cpp @@ -3196,10 +3196,16 @@ fs_visitor::lower_integer_multiplication() src1_1_w.fixed_hw_reg.dw1.ud >>= 16; } else { src1_0_w.type = BRW_REGISTER_TYPE_UW; - src1_0_w.stride = 2; + if (src1_0_w.stride != 0) { + assert(src1_0_w.stride == 1); + src1_0_w.stride = 2; + } src1_1_w.type = BRW_REGISTER_TYPE_UW; - src1_1_w.stride = 2; + if (src1_1_w.stride != 0) { + assert(src1_1_w.stride == 1); + src1_1_w.stride = 2; + } src1_1_w.subreg_offset += type_sz(BRW_REGISTER_TYPE_UW); } ibld.MUL(low, inst->src[0], src1_0_w); @@ -3209,10 +3215,16 @@ fs_visitor::lower_integer_multiplication() fs_reg src0_1_w = inst->src[0]; src0_0_w.type = BRW_REGISTER_TYPE_UW; - src0_0_w.stride = 2; + if (src0_0_w.stride != 0) { + assert(src0_0_w.stride == 1); + src0_0_w.stride = 2; + } src0_1_w.type = BRW_REGISTER_TYPE_UW; - src0_1_w.stride = 2; + if (src0_1_w.stride != 0) { + assert(src0_1_w.stride == 1); + src0_1_w.stride = 2; + } src0_1_w.subreg_offset += type_sz(BRW_REGISTER_TYPE_UW); ibld.MUL(low, src0_0_w, inst->src[1]); -- 2.30.2