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i965/fs: Don't mess up stride for uniform integer multiplication.

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If the stride is 0, the source is a uniform and we should not modify the
stride.

Cc: "10.6" <mesa-stable@lists.freedesktop.org>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=91047
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Matt Turner 2015-06-22 10:59:33 -07:00
parent 3fa9bb81ec
commit a49328d58d
1 changed files with 16 additions and 4 deletions
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20
src/mesa/drivers/dri/i965/brw_fs.cpp
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@ -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]);