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ac/llvm: Implement new Geometry Shader intrinsics.

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Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9201>
This commit is contained in:
Timur Kristóf
2021-03-11 16:41:38 +01:00
committed by Marge Bot
parent 20a2801011
commit 6e7b1cd251
2 changed files with 17 additions and 0 deletions
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15
src/amd/llvm/ac_nir_to_llvm.c
View File

@@ -2908,6 +2908,12 @@ static LLVMValueRef visit_load_local_invocation_index(struct ac_nir_context *ctx
{
if (ctx->args->vs_rel_patch_id.used) {
return ac_get_arg(&ctx->ac, ctx->args->vs_rel_patch_id);
} else if (ctx->args->merged_wave_info.used) {
/* Thread ID in threadgroup in merged ESGS. */
LLVMValueRef wave_id = ac_unpack_param(&ctx->ac, ac_get_arg(&ctx->ac, ctx->args->merged_wave_info), 24, 4);
LLVMValueRef wave_size = LLVMConstInt(ctx->ac.i32, ctx->ac.wave_size, false);
LLVMValueRef threads_before = LLVMBuildMul(ctx->ac.builder, wave_id, wave_size, "");
return LLVMBuildAdd(ctx->ac.builder, threads_before, ac_get_thread_id(&ctx->ac), "");
}
LLVMValueRef result;
@@ -3851,6 +3857,15 @@ static void visit_intrinsic(struct ac_nir_context *ctx, nir_intrinsic_instr *ins
case nir_intrinsic_load_ring_tess_offchip_offset_amd:
result = ac_get_arg(&ctx->ac, ctx->args->tess_offchip_offset);
break;
case nir_intrinsic_load_ring_esgs_amd:
result = ctx->abi->load_ring_esgs(ctx->abi);
break;
case nir_intrinsic_load_ring_es2gs_offset_amd:
result = ac_get_arg(&ctx->ac, ctx->args->es2gs_offset);
break;
case nir_intrinsic_load_gs_vertex_offset_amd:
result = ac_get_arg(&ctx->ac, ctx->args->gs_vtx_offset[nir_intrinsic_base(instr)]);
break;
case nir_intrinsic_vote_all: {
result = ac_build_vote_all(&ctx->ac, get_src(ctx, instr->src[0]));
break;

2
src/amd/llvm/ac_shader_abi.h
View File

@@ -101,6 +101,8 @@ struct ac_shader_abi {
LLVMValueRef (*load_ring_tess_factors)(struct ac_shader_abi *abi);
LLVMValueRef (*load_ring_esgs)(struct ac_shader_abi *abi);
LLVMValueRef (*load_tess_level)(struct ac_shader_abi *abi, unsigned varying_id,
bool load_default_state);