BasicBlock *exit;
Value *zero;
+ int clipVertexOutput;
+
union {
struct {
Value *position;
Converter::Converter(Program *prog, nir_shader *nir, nv50_ir_prog_info *info)
: ConverterCommon(prog, info),
nir(nir),
- curLoopDepth(0)
+ curLoopDepth(0),
+ clipVertexOutput(-1)
{
zero = mkImm((uint32_t)0);
}
case TGSI_SEMANTIC_CLIPDIST:
info->io.genUserClip = -1;
break;
+ case TGSI_SEMANTIC_CLIPVERTEX:
+ clipVertexOutput = vary;
+ break;
case TGSI_SEMANTIC_EDGEFLAG:
info->io.edgeFlagOut = vary;
break;
+ case TGSI_SEMANTIC_POSITION:
+ if (clipVertexOutput < 0)
+ clipVertexOutput = vary;
+ break;
default:
break;
}
setPosition(entry, true);
+ if (info->io.genUserClip > 0) {
+ for (int c = 0; c < 4; ++c)
+ clipVtx[c] = getScratch();
+ }
+
switch (prog->getType()) {
case Program::TYPE_TESSELLATION_CONTROL:
outBase = mkOp2v(
bb->cfg.attach(&exit->cfg, Graph::Edge::TREE);
setPosition(exit, true);
+ if (info->io.genUserClip > 0)
+ handleUserClipPlanes();
+
// TODO: for non main function this needs to be a OP_RETURN
mkOp(OP_EXIT, TYPE_NONE, NULL)->terminator = 1;
return true;
}
break;
}
+ case nir_intrinsic_store_output:
+ case nir_intrinsic_store_per_vertex_output: {
+ Value *indirect;
+ DataType dType = getSType(insn->src[0], false, false);
+ uint32_t idx = getIndirect(insn, op == nir_intrinsic_store_output ? 1 : 2, 0, indirect);
+
+ for (uint8_t i = 0u; i < insn->num_components; ++i) {
+ if (!((1u << i) & nir_intrinsic_write_mask(insn)))
+ continue;
+
+ uint8_t offset = 0;
+ Value *src = getSrc(&insn->src[0], i);
+ switch (prog->getType()) {
+ case Program::TYPE_FRAGMENT: {
+ if (info->out[idx].sn == TGSI_SEMANTIC_POSITION) {
+ // TGSI uses a different interface than NIR, TGSI stores that
+ // value in the z component, NIR in X
+ offset += 2;
+ src = mkOp1v(OP_SAT, TYPE_F32, getScratch(), src);
+ }
+ break;
+ }
+ case Program::TYPE_VERTEX: {
+ if (info->io.genUserClip > 0 && idx == clipVertexOutput) {
+ mkMov(clipVtx[i], src);
+ src = clipVtx[i];
+ }
+ break;
+ }
+ default:
+ break;
+ }
+
+ storeTo(insn, FILE_SHADER_OUTPUT, OP_EXPORT, dType, src, idx, i + offset, indirect);
+ }
+ break;
+ }
default:
ERROR("unknown nir_intrinsic_op %s\n", nir_intrinsic_infos[op].name);
return false;