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nv50/ir/nir: implement load_per_vertex_output 

v4: use smarter getIndirect helper
    use new getSlotAddress helper
v5: use loadFrom helper
v8: don't require C++11 features

Signed-off-by: Karol Herbst <kherbst@redhat.com>
This commit is contained in:
Karol Herbst 2018-01-07 00:35:37 +01:00
parent 9c44f4e043
commit c00d45cb45
1 changed files with 23 additions and 0 deletions
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23
src/gallium/drivers/nouveau/codegen/nv50_ir_from_nir.cpp
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@ -2163,6 +2163,29 @@ Converter::visit(nir_intrinsic_instr *insn)
}
break;
}
case nir_intrinsic_load_per_vertex_output: {
const DataType dType = getDType(insn);
LValues &newDefs = convert(&insn->dest);
Value *indirectVertex;
Value *indirectOffset;
uint32_t baseVertex = getIndirect(&insn->src[0], 0, indirectVertex);
uint32_t idx = getIndirect(insn, 1, 0, indirectOffset);
Value *vtxBase = NULL;
if (indirectVertex)
vtxBase = indirectVertex;
else
vtxBase = loadImm(NULL, baseVertex);
vtxBase = mkOp2v(OP_ADD, TYPE_U32, getSSA(4, FILE_ADDRESS), outBase, vtxBase);
for (uint8_t i = 0u; i < insn->num_components; ++i) {
uint32_t address = getSlotAddress(insn, idx, i);
loadFrom(FILE_SHADER_OUTPUT, 0, dType, newDefs[i], address, 0,
indirectOffset, vtxBase, info->in[idx].patch);
}
break;
}
case nir_intrinsic_emit_vertex:
case nir_intrinsic_end_primitive: {
uint32_t idx = nir_intrinsic_stream_id(insn);