Module: Mesa Branch: main Commit: 7e1b804992d6f0d906ca2bce859e7b37b1f3ffbd URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=7e1b804992d6f0d906ca2bce859e7b37b1f3ffbd
Author: Qiang Yu <[email protected]> Date: Fri Jul 22 20:01:26 2022 +0800 radeonsi: implement two lds base load intrinsics LDS will be accessed starting from esgs_ring which has offset 0. So ngg_scratch and ngg_emit base address is just the offset from the esgs_ring base. Acked-by: Pierre-Eric Pelloux-Prayer <[email protected]> Reviewed-by: Marek Olšák <[email protected]> Signed-off-by: Qiang Yu <[email protected]> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/17109> --- src/amd/llvm/ac_nir_to_llvm.c | 2 ++ src/gallium/drivers/radeonsi/si_shader_llvm.c | 6 ++++++ 2 files changed, 8 insertions(+) diff --git a/src/amd/llvm/ac_nir_to_llvm.c b/src/amd/llvm/ac_nir_to_llvm.c index 8b3dff9782a..310aa29a378 100644 --- a/src/amd/llvm/ac_nir_to_llvm.c +++ b/src/amd/llvm/ac_nir_to_llvm.c @@ -3645,6 +3645,8 @@ static bool visit_intrinsic(struct ac_nir_context *ctx, nir_intrinsic_instr *ins case nir_intrinsic_load_prim_gen_query_enabled_amd: case nir_intrinsic_load_prim_xfb_query_enabled_amd: case nir_intrinsic_load_clamp_vertex_color_amd: + case nir_intrinsic_load_lds_ngg_scratch_base_amd: + case nir_intrinsic_load_lds_ngg_gs_out_vertex_base_amd: result = ctx->abi->intrinsic_load(ctx->abi, instr->intrinsic); break; case nir_intrinsic_load_user_clip_plane: diff --git a/src/gallium/drivers/radeonsi/si_shader_llvm.c b/src/gallium/drivers/radeonsi/si_shader_llvm.c index ea61cdd1e2c..94abe102a11 100644 --- a/src/gallium/drivers/radeonsi/si_shader_llvm.c +++ b/src/gallium/drivers/radeonsi/si_shader_llvm.c @@ -922,6 +922,12 @@ static LLVMValueRef si_llvm_load_intrinsic(struct ac_shader_abi *abi, nir_intrin case nir_intrinsic_load_ring_attr_amd: return si_llvm_build_attr_ring_desc(ctx); + case nir_intrinsic_load_lds_ngg_scratch_base_amd: + return LLVMBuildBitCast(ctx->ac.builder, ctx->gs_ngg_scratch.value, ctx->ac.i32, ""); + + case nir_intrinsic_load_lds_ngg_gs_out_vertex_base_amd: + return LLVMBuildBitCast(ctx->ac.builder, ctx->gs_ngg_emit, ctx->ac.i32, ""); + default: return NULL; }
