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radeon/llvm: add support to fetch temps as vectors

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Necessary for texture fetches with temp regs as source on SI.

Signed-off-by: Christian König <deathsimple@vodafone.de>
Reviewed-by: Tom Stellard <thomas.stellard@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2012-08-12 20:06:21 +02:00
parent b6051bc785
commit 4444b9d1ec
1 changed files with 11 additions and 1 deletions
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12
src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c
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@ -159,11 +159,21 @@ emit_fetch_temporary(
{
struct lp_build_tgsi_soa_context *bld = lp_soa_context(bld_base);
LLVMBuilderRef builder = bld_base->base.gallivm->builder;
if (swizzle == ~0) {
LLVMValueRef values[TGSI_NUM_CHANNELS] = {};
unsigned chan;
for (chan = 0; chan < TGSI_NUM_CHANNELS; chan++) {
values[chan] = emit_fetch_temporary(bld_base, reg, type, chan);
}
return lp_build_gather_values(bld_base->base.gallivm, values,
TGSI_NUM_CHANNELS);
}
if (reg->Register.Indirect) {
LLVMValueRef array_index = emit_array_index(bld, reg, swizzle);
LLVMValueRef ptr = LLVMBuildGEP(builder, bld->temps_array, &array_index,
1, "");
return LLVMBuildLoad(builder, ptr, "");
return LLVMBuildLoad(builder, ptr, "");
} else {
LLVMValueRef temp_ptr;
temp_ptr = lp_get_temp_ptr_soa(bld, reg->Register.Index, swizzle);