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aco: Implement load_invocation_id for tessellation control shaders.

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Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/3964>
This commit is contained in:
Timur Kristóf
2020-02-12 14:28:29 +01:00
committed by Marge Bot
parent 5107b0312a
commit 2489e4dfd1
1 changed files with 13 additions and 5 deletions
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src/amd/compiler/aco_instruction_selection.cpp
+13 -5
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@@ -6848,12 +6848,20 @@ void visit_intrinsic(isel_context *ctx, nir_intrinsic_instr *instr)
break;
}
case nir_intrinsic_load_invocation_id: {
assert(ctx->shader->info.stage == MESA_SHADER_GEOMETRY);
Temp dst = get_ssa_temp(ctx, &instr->dest.ssa);
if (ctx->options->chip_class >= GFX10)
bld.vop2_e64(aco_opcode::v_and_b32, Definition(dst), Operand(127u), get_arg(ctx, ctx->args->ac.gs_invocation_id));
else
bld.copy(Definition(dst), get_arg(ctx, ctx->args->ac.gs_invocation_id));
if (ctx->shader->info.stage == MESA_SHADER_GEOMETRY) {
if (ctx->options->chip_class >= GFX10)
bld.vop2_e64(aco_opcode::v_and_b32, Definition(dst), Operand(127u), get_arg(ctx, ctx->args->ac.gs_invocation_id));
else
bld.copy(Definition(dst), get_arg(ctx, ctx->args->ac.gs_invocation_id));
} else if (ctx->shader->info.stage == MESA_SHADER_TESS_CTRL) {
bld.vop3(aco_opcode::v_bfe_u32, Definition(dst),
get_arg(ctx, ctx->args->ac.tcs_rel_ids), Operand(8u), Operand(5u));
} else {
unreachable("Unsupported stage for load_invocation_id");
}
break;
}
case nir_intrinsic_load_primitive_id: {