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gallivm: add new compute related intrinsics

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Reviewed-by: Roland Scheidegger <sroland@vmware.com>
This commit is contained in:
Dave Airlie 2019-07-22 08:27:27 +10:00
parent 3312bed7b0
commit db6c78f9c8
2 changed files with 19 additions and 0 deletions
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3
src/gallium/auxiliary/gallivm/lp_bld_tgsi.h
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@ -170,6 +170,9 @@ struct lp_bld_tgsi_system_values {
LLVMValueRef prim_id;
LLVMValueRef basevertex;
LLVMValueRef invocation_id;
LLVMValueRef thread_id;
LLVMValueRef block_id;
LLVMValueRef grid_size;
};

16
src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c
View file

@ -1690,6 +1690,7 @@ emit_fetch_system_value(
LLVMBuilderRef builder = gallivm->builder;
LLVMValueRef res;
enum tgsi_opcode_type atype; // Actual type of the value
unsigned swizzle = swizzle_in & 0xffff;
assert(!reg->Register.Indirect);
@ -1729,6 +1730,21 @@ emit_fetch_system_value(
atype = TGSI_TYPE_UNSIGNED;
break;
case TGSI_SEMANTIC_THREAD_ID:
res = LLVMBuildExtractValue(gallivm->builder, bld->system_values.thread_id, swizzle, "");
atype = TGSI_TYPE_UNSIGNED;
break;
case TGSI_SEMANTIC_BLOCK_ID:
res = lp_build_extract_broadcast(gallivm, lp_type_int_vec(32, 96), bld_base->uint_bld.type, bld->system_values.block_id, lp_build_const_int32(gallivm, swizzle));
atype = TGSI_TYPE_UNSIGNED;
break;
case TGSI_SEMANTIC_GRID_SIZE:
res = lp_build_extract_broadcast(gallivm, lp_type_int_vec(32, 96), bld_base->uint_bld.type, bld->system_values.grid_size, lp_build_const_int32(gallivm, swizzle));
atype = TGSI_TYPE_UNSIGNED;
break;
default:
assert(!"unexpected semantic in emit_fetch_system_value");
res = bld_base->base.zero;