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radeonsi: export "undef" values for undefined PS outputs 

Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
This commit is contained in:
Marek Olšák 2015-12-27 17:45:52 +01:00
parent 1ce659f820
commit 185267a6fd
1 changed files with 10 additions and 9 deletions
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19
src/gallium/drivers/radeonsi/si_shader.c
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@ -1323,11 +1323,12 @@ static void si_llvm_init_export_args(struct lp_build_tgsi_context *bld_base,
LLVMInt32TypeInContext(base->gallivm->context),
pack_args, 2,
LLVMReadNoneAttribute | LLVMNoUnwindAttribute);
args[chan + 7] = args[chan + 5] =
args[chan + 5] =
LLVMBuildBitCast(base->gallivm->builder,
packed,
LLVMFloatTypeInContext(base->gallivm->context),
"");
args[chan + 7] = base->undef;
}
} else
memcpy(&args[5], values, sizeof(values[0]) * 4);
@ -2119,10 +2120,10 @@ static void si_export_mrt_z(struct lp_build_tgsi_context *bld_base,
args[3] = lp_build_const_int32(base->gallivm, V_008DFC_SQ_EXP_MRTZ);
args[4] = uint->zero; /* COMP flag */
args[5] = base->zero; /* R, depth */
args[6] = base->zero; /* G, stencil test value[0:7], stencil op value[8:15] */
args[7] = base->zero; /* B, sample mask */
args[8] = base->zero; /* A, alpha to mask */
args[5] = base->undef; /* R, depth */
args[6] = base->undef; /* G, stencil test value[0:7], stencil op value[8:15] */
args[7] = base->undef; /* B, sample mask */
args[8] = base->undef; /* A, alpha to mask */
if (depth) {
args[5] = depth;
@ -2173,10 +2174,10 @@ static void si_llvm_emit_fs_epilogue(struct lp_build_tgsi_context * bld_base)
args[2] = uint->one; /* DONE bit */
args[3] = lp_build_const_int32(base->gallivm, V_008DFC_SQ_EXP_MRT);
args[4] = uint->zero; /* COMPR flag (0 = 32-bit export) */
args[5] = uint->zero; /* R */
args[6] = uint->zero; /* G */
args[7] = uint->zero; /* B */
args[8] = uint->zero; /* A */
args[5] = uint->undef; /* R */
args[6] = uint->undef; /* G */
args[7] = uint->undef; /* B */
args[8] = uint->undef; /* A */
lp_build_intrinsic(base->gallivm->builder, "llvm.SI.export",
LLVMVoidTypeInContext(base->gallivm->context),