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radeonsi: implement nir_intrinsic_load_tcs_num_patches_amd 

Used by ac_nir_lower_tess_io_to_mem.c.

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Acked-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Reviewed-by: Timur Kristóf <timur.kristof@gmail.com>
Signed-off-by: Qiang Yu <yuq825@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16705>
This commit is contained in:
Qiang Yu 2022-05-23 14:42:06 +08:00 committed by Marge Bot
parent a1763ad4b3
commit 07e025a390
2 changed files with 6 additions and 0 deletions
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1
src/amd/llvm/ac_nir_to_llvm.c
View File

@ -3637,6 +3637,7 @@ static void visit_intrinsic(struct ac_nir_context *ctx, nir_intrinsic_instr *ins
case nir_intrinsic_load_ring_tess_offchip_amd:
case nir_intrinsic_load_ring_esgs_amd:
case nir_intrinsic_load_lshs_vertex_stride_amd:
case nir_intrinsic_load_tcs_num_patches_amd:
result = ctx->abi->intrinsic_load(ctx->abi, instr->intrinsic);
break;
case nir_intrinsic_load_vertex_id:

5
src/gallium/drivers/radeonsi/si_shader_llvm.c
View File

@ -780,6 +780,11 @@ static LLVMValueRef si_llvm_load_intrinsic(struct ac_shader_abi *abi, nir_intrin
return LLVMBuildShl(ctx->ac.builder, si_get_tcs_in_vertex_dw_stride(ctx),
LLVMConstInt(ctx->ac.i32, 2, 0), "");
case nir_intrinsic_load_tcs_num_patches_amd:
return LLVMBuildAdd(ctx->ac.builder,
si_unpack_param(ctx, ctx->tcs_offchip_layout, 0, 6),
ctx->ac.i32_1, "");
default:
return NULL;
}