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aco: Implement load_primitive_id for tessellation 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 2020-02-24 17:10:13 +01:00 • committed by Marge Bot
parent 754837f3b5
commit 6edf6ad130
1 changed files with 15 additions and 2 deletions
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17
src/amd/compiler/aco_instruction_selection.cpp
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@ -6857,9 +6857,22 @@ void visit_intrinsic(isel_context *ctx, nir_intrinsic_instr *instr)
break;
}
case nir_intrinsic_load_primitive_id: {
assert(ctx->shader->info.stage == MESA_SHADER_GEOMETRY);
Temp dst = get_ssa_temp(ctx, &instr->dest.ssa);
bld.copy(Definition(dst), get_arg(ctx, ctx->args->ac.gs_prim_id));
switch (ctx->shader->info.stage) {
case MESA_SHADER_GEOMETRY:
bld.copy(Definition(dst), get_arg(ctx, ctx->args->ac.gs_prim_id));
break;
case MESA_SHADER_TESS_CTRL:
bld.copy(Definition(dst), get_arg(ctx, ctx->args->ac.tcs_patch_id));
break;
case MESA_SHADER_TESS_EVAL:
bld.copy(Definition(dst), get_arg(ctx, ctx->args->ac.tes_patch_id));
break;
default:
unreachable("Unimplemented shader stage for nir_intrinsic_load_primitive_id");
}
break;
}
case nir_intrinsic_emit_vertex_with_counter: {