diff options
Diffstat (limited to 'src/gallium')
| -rw-r--r-- | src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c | 40 |
1 files changed, 29 insertions, 11 deletions
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c index 4e640f5903..0e45d748f4 100644 --- a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c +++ b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c @@ -549,22 +549,40 @@ emit_fetch( break; case TGSI_FILE_TEMPORARY: - { - LLVMValueRef addr = NULL; - LLVMValueRef temp_ptr; + if (reg->Register.Indirect) { + LLVMValueRef vec_len = + lp_build_const_int_vec(bld->int_bld.type, bld->base.type.length); + LLVMValueRef index_vec; /* index into the const buffer */ + LLVMValueRef temps_array; + LLVMTypeRef float4_ptr_type; - if (reg->Register.Indirect) { - LLVMValueRef zero = lp_build_const_int32(0); - addr = LLVMBuildExtractElement(bld->base.builder, - addr_vec, zero, ""); - } + assert(bld->has_indirect_addressing); + + /* index_vec = broadcast(reg->Register.Index * 4 + swizzle) */ + index_vec = lp_build_const_int_vec(bld->int_bld.type, + reg->Register.Index * 4 + swizzle); + /* index_vec += addr_vec */ + index_vec = lp_build_add(&bld->int_bld, index_vec, addr_vec); + + /* index_vec *= vector_length */ + index_vec = lp_build_mul(&bld->int_bld, index_vec, vec_len); + + /* cast temps_array pointer to float* */ + float4_ptr_type = LLVMPointerType(LLVMFloatType(), 0); + temps_array = LLVMBuildBitCast(bld->int_bld.builder, bld->temps_array, + float4_ptr_type, ""); + + /* Gather values from the temporary register array */ + res = build_gather(bld, temps_array, index_vec); + } + else { + LLVMValueRef temp_ptr; temp_ptr = get_temp_ptr(bld, reg->Register.Index, swizzle, - reg->Register.Indirect, - addr); + FALSE, NULL); res = LLVMBuildLoad(bld->base.builder, temp_ptr, ""); - if(!res) + if (!res) return bld->base.undef; } break; |