v3: and load_output
v4: use smarter getIndirect helper
use new getSlotAddress helper
v5: don't use const_offset directly
fix for indirects
v6: add support for interpolateAt
Signed-off-by: Karol Herbst <kher...@redhat.com>
---
.../drivers/nouveau/codegen/nv50_ir_from_nir.cpp | 97 ++++++++++++++++++++++
1 file changed, 97 insertions(+)
diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_from_nir.cpp
b/src/gallium/drivers/nouveau/codegen/nv50_ir_from_nir.cpp
index 546a73f7a74..04a0f03ae2f 100644
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir_from_nir.cpp
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_from_nir.cpp
@@ -1511,6 +1511,103 @@ Converter::visit(nir_intrinsic_instr *insn)
}
break;
}
+ case nir_intrinsic_load_input:
+ case nir_intrinsic_load_interpolated_input:
+ case nir_intrinsic_load_output: {
+ const DataType dType = getDType(insn);
+ Value *indirect;
+ bool input = op != nir_intrinsic_load_output;
+ operation nvirOp;
+ uint32_t mode;
+
+ LValues &newDefs = convert(&insn->dest);
+ auto idx = getIndirect(insn, op == nir_intrinsic_load_interpolated_input
? 1 : 0, 0, &indirect);
+ nv50_ir_varying& vary = input ? info->in[idx] : info->out[idx];
+
+ /* see load_barycentric_* handling */
+ if (prog->getType() == Program::TYPE_FRAGMENT) {
+ mode = translateInterpMode(&vary, nvirOp);
+ if (op == nir_intrinsic_load_interpolated_input) {
+ ImmediateValue immMode;
+ if (getSrc(&insn->src[0],
1)->getUniqueInsn()->src(0).getImmediate(immMode))
+ mode |= immMode.reg.data.u32;
+ }
+ }
+
+ for (auto i = 0u; i < insn->num_components; ++i) {
+ uint32_t address = getSlotAddress(insn, idx, i);
+ Symbol *sym = mkSymbol(input ? FILE_SHADER_INPUT :
FILE_SHADER_OUTPUT, 0, dType, address);
+ if (prog->getType() == Program::TYPE_FRAGMENT) {
+ int s = 1;
+ if (typeSizeof(dType) == 8) {
+ Value *lo = getSSA();
+ Value *hi = getSSA();
+ Instruction *interp;
+
+ interp = mkOp1(nvirOp, TYPE_U32, lo, sym);
+ if (nvirOp == OP_PINTERP)
+ interp->setSrc(s, fp.position);
+ if (mode & NV50_IR_INTERP_OFFSET)
+ interp->setSrc(s, getSrc(&insn->src[0], 0));
+ interp->setInterpolate(mode);
+ interp->setIndirect(0, 0, indirect);
+
+ Symbol *sym1 = mkSymbol(input ? FILE_SHADER_INPUT :
FILE_SHADER_OUTPUT, 0, dType, address + 4);
+ interp = mkOp1(nvirOp, TYPE_U32, hi, sym1);
+ if (nvirOp == OP_PINTERP)
+ interp->setSrc(s++, fp.position);
+ if (mode & NV50_IR_INTERP_OFFSET)
+ interp->setSrc(s++, getSrc(&insn->src[0], 0));
+ interp->setInterpolate(mode);
+ interp->setIndirect(0, 0, indirect);
+
+ mkOp2(OP_MERGE, dType, newDefs[i], lo, hi);
+ } else {
+ Instruction *interp = mkOp1(nvirOp, dType, newDefs[i], sym);
+ if (nvirOp == OP_PINTERP)
+ interp->setSrc(s++, fp.position);
+ if (mode & NV50_IR_INTERP_OFFSET)
+ interp->setSrc(s++, getSrc(&insn->src[0], 0));
+ interp->setInterpolate(mode);
+ interp->setIndirect(0, 0, indirect);
+ }
+ } else {
+ mkLoad(dType, newDefs[i], sym, indirect)->perPatch = vary.patch;
+ }
+ }
+ break;
+ }
+ case nir_intrinsic_load_barycentric_at_offset:
+ case nir_intrinsic_load_barycentric_at_sample:
+ case nir_intrinsic_load_barycentric_centroid:
+ case nir_intrinsic_load_barycentric_pixel: {
+ LValues &newDefs = convert(&insn->dest);
+ uint32_t mode;
+
+ if (op == nir_intrinsic_load_barycentric_centroid) {
+ mode = NV50_IR_INTERP_CENTROID;
+ } else if (op == nir_intrinsic_load_barycentric_at_offset) {
+ Value *offs[2];
+ for (auto c = 0u; c < 2; c++) {
+ offs[c] = getScratch();
+ mkOp2(OP_MIN, TYPE_F32, offs[c], getSrc(&insn->src[0], c),
loadImm(NULL, 0.4375f));
+ mkOp2(OP_MAX, TYPE_F32, offs[c], offs[c], loadImm(NULL, -0.5f));
+ mkOp2(OP_MUL, TYPE_F32, offs[c], offs[c], loadImm(NULL, 4096.0f));
+ mkCvt(OP_CVT, TYPE_S32, offs[c], TYPE_F32, offs[c]);
+ }
+ mkOp3v(OP_INSBF, TYPE_U32, newDefs[0], offs[1], mkImm(0x1010),
offs[0]);
+
+ mode = NV50_IR_INTERP_OFFSET;
+ } else if (op == nir_intrinsic_load_barycentric_pixel) {
+ mode = NV50_IR_INTERP_DEFAULT;
+ } else if (op == nir_intrinsic_load_barycentric_at_sample) {
+ mkOp1(OP_PIXLD, TYPE_U32, newDefs[0], getSrc(&insn->src[0],
0))->subOp = NV50_IR_SUBOP_PIXLD_OFFSET;
+ mode = NV50_IR_INTERP_OFFSET;
+ }
+
+ loadImm(newDefs[1], mode);
+ break;
+ }
default:
ERROR("unknown nir_intrinsic_op %s\n", nir_intrinsic_infos[op].name);
return false;
--
2.14.3
_______________________________________________
mesa-dev mailing list
mesa-dev@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/mesa-dev
