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ac/llvm: Implement the new tessellation 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
2021-02-19 17:29:00 +01:00
committed by Marge Bot
parent 60114f3865
commit 20a2801011
2 changed files with 28 additions and 0 deletions
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24
src/amd/llvm/ac_nir_to_llvm.c
View File

@@ -2906,6 +2906,10 @@ static void emit_demote(struct ac_nir_context *ctx, const nir_intrinsic_instr *i
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);
}
LLVMValueRef result;
LLVMValueRef thread_id = ac_get_thread_id(&ctx->ac);
result = LLVMBuildAnd(ctx->ac.builder, ac_get_arg(&ctx->ac, ctx->args->tg_size),
@@ -3827,6 +3831,26 @@ static void visit_intrinsic(struct ac_nir_context *ctx, nir_intrinsic_instr *ins
case nir_intrinsic_load_patch_vertices_in:
result = ctx->abi->load_patch_vertices_in(ctx->abi);
break;
case nir_intrinsic_load_tess_rel_patch_id_amd:
if (ctx->stage == MESA_SHADER_TESS_CTRL)
result = ac_unpack_param(&ctx->ac, ac_get_arg(&ctx->ac, ctx->args->tcs_rel_ids), 0, 8);
else if (ctx->stage == MESA_SHADER_TESS_EVAL)
result = ac_get_arg(&ctx->ac, ctx->args->tes_rel_patch_id);
else
unreachable("tess_rel_patch_id_amd is only supported by tessellation shaders");
break;
case nir_intrinsic_load_ring_tess_factors_amd:
result = ctx->abi->load_ring_tess_factors(ctx->abi);
break;
case nir_intrinsic_load_ring_tess_factors_offset_amd:
result = ac_get_arg(&ctx->ac, ctx->args->tcs_factor_offset);
break;
case nir_intrinsic_load_ring_tess_offchip_amd:
result = ctx->abi->load_ring_tess_offchip(ctx->abi);
break;
case nir_intrinsic_load_ring_tess_offchip_offset_amd:
result = ac_get_arg(&ctx->ac, ctx->args->tess_offchip_offset);
break;
case nir_intrinsic_vote_all: {
result = ac_build_vote_all(&ctx->ac, get_src(ctx, instr->src[0]));
break;

4
src/amd/llvm/ac_shader_abi.h
View File

@@ -97,6 +97,10 @@ struct ac_shader_abi {
LLVMValueRef (*load_patch_vertices_in)(struct ac_shader_abi *abi);
LLVMValueRef (*load_ring_tess_offchip)(struct ac_shader_abi *abi);
LLVMValueRef (*load_ring_tess_factors)(struct ac_shader_abi *abi);
LLVMValueRef (*load_tess_level)(struct ac_shader_abi *abi, unsigned varying_id,
bool load_default_state);