delete_Instruction(prog, i);
}
+void
+NVC0LegalizeSSA::handleRCPRSQLib(Instruction *i, Value *src[])
+{
+ FlowInstruction *call;
+ Value *def[2];
+ int builtin;
+
+ def[0] = bld.mkMovToReg(0, src[0])->getDef(0);
+ def[1] = bld.mkMovToReg(1, src[1])->getDef(0);
+
+ if (i->op == OP_RCP)
+ builtin = NVC0_BUILTIN_RCP_F64;
+ else
+ builtin = NVC0_BUILTIN_RSQ_F64;
+
+ call = bld.mkFlow(OP_CALL, NULL, CC_ALWAYS, NULL);
+ def[0] = bld.getSSA();
+ def[1] = bld.getSSA();
+ bld.mkMovFromReg(def[0], 0);
+ bld.mkMovFromReg(def[1], 1);
+ bld.mkClobber(FILE_GPR, 0x3fc, 2);
+ bld.mkClobber(FILE_PREDICATE, i->op == OP_RSQ ? 0x3 : 0x1, 0);
+ bld.mkOp2(OP_MERGE, TYPE_U64, i->getDef(0), def[0], def[1]);
+
+ call->fixed = 1;
+ call->absolute = call->builtin = 1;
+ call->target.builtin = builtin;
+ delete_Instruction(prog, i);
+
+ prog->fp64 = true;
+}
+
void
NVC0LegalizeSSA::handleRCPRSQ(Instruction *i)
{
Value *src[2], *dst[2], *def = i->getDef(0);
bld.mkSplit(src, 4, i->getSrc(0));
+ int chip = prog->getTarget()->getChipset();
+ if (chip >= NVISA_GK104_CHIPSET && (i->op == OP_RCP || chip < NVISA_GM107_CHIPSET)) {
+ handleRCPRSQLib(i, src);
+ return;
+ }
+
// 2. We don't care about the low 32 bits of the destination. Stick a 0 in.
dst[0] = bld.loadImm(NULL, 0);
dst[1] = bld.getSSA();
bb->remove(bb->getEntry());
}
+// replaces instructions which would end up as f2f or i2i with faster
+// alternatives:
+// - fabs(a) -> fadd(0, abs a)
+// - fneg(a) -> fadd(neg 0, neg a)
+// - ineg(a) -> iadd(0, neg a)
+// - fneg(abs a) -> fadd(neg 0, neg abs a)
+// - sat(a) -> sat add(0, a)
+void
+NVC0LegalizePostRA::replaceCvt(Instruction *cvt)
+{
+ if (!isFloatType(cvt->sType) && typeSizeof(cvt->sType) != 4)
+ return;
+ if (cvt->sType != cvt->dType)
+ return;
+ // we could make it work, but in this case we have optimizations disabled
+ // and we don't really care either way.
+ if (cvt->src(0).getFile() != FILE_GPR &&
+ cvt->src(0).getFile() != FILE_MEMORY_CONST)
+ return;
+
+ Modifier mod0, mod1;
+
+ switch (cvt->op) {
+ case OP_ABS:
+ if (cvt->src(0).mod)
+ return;
+ if (!isFloatType(cvt->sType))
+ return;
+ mod0 = 0;
+ mod1 = NV50_IR_MOD_ABS;
+ break;
+ case OP_NEG:
+ if (!isFloatType(cvt->sType) && cvt->src(0).mod)
+ return;
+ if (isFloatType(cvt->sType) &&
+ (cvt->src(0).mod && cvt->src(0).mod != Modifier(NV50_IR_MOD_ABS)))
+ return;
+
+ mod0 = isFloatType(cvt->sType) ? NV50_IR_MOD_NEG : 0;
+ mod1 = cvt->src(0).mod == Modifier(NV50_IR_MOD_ABS) ?
+ NV50_IR_MOD_NEG_ABS : NV50_IR_MOD_NEG;
+ break;
+ case OP_SAT:
+ if (!isFloatType(cvt->sType) && cvt->src(0).mod.abs())
+ return;
+ mod0 = 0;
+ mod1 = cvt->src(0).mod;
+ cvt->saturate = true;
+ break;
+ default:
+ return;
+ }
+
+ cvt->op = OP_ADD;
+ cvt->moveSources(0, 1);
+ cvt->setSrc(0, rZero);
+ cvt->src(0).mod = mod0;
+ cvt->src(1).mod = mod1;
+}
+
bool
NVC0LegalizePostRA::visit(BasicBlock *bb)
{
} else
if (i->op == OP_LOAD && i->subOp == NV50_IR_SUBOP_LDC_IS) {
int offset = i->src(0).get()->reg.data.offset;
- if (abs(offset) > 0x10000)
+ if (abs(offset) >= 0x10000)
i->src(0).get()->reg.fileIndex += offset >> 16;
i->src(0).get()->reg.data.offset = (int)(short)offset;
} else {
next = hi;
}
+ if (i->op == OP_SAT || i->op == OP_NEG || i->op == OP_ABS)
+ replaceCvt(i);
+
if (i->op != OP_MOV && i->op != OP_PFETCH)
replaceZero(i);
}
}
}
- if (chipset >= NVISA_GK104_CHIPSET) {
- //
- // If TEX requires more than 4 sources, the 2nd register tuple must be
- // aligned to 4, even if it consists of just a single 4-byte register.
- //
- // XXX HACK: We insert 0 sources to avoid the 5 or 6 regs case.
- //
- int s = i->srcCount(0xff, true);
- if (s > 4 && s < 7) {
- if (i->srcExists(s)) // move potential predicate out of the way
- i->moveSources(s, 7 - s);
- while (s < 7)
- i->setSrc(s++, bld.loadImm(NULL, 0));
- }
- }
-
return true;
}
mkLoadv(TYPE_U32, bld.mkSymbol(FILE_MEMORY_CONST, b, TYPE_U32, off), ptr);
}
-/* On nvc0, surface info is obtained via the surface binding points passed
- * to the SULD/SUST instructions.
- * On nve4, surface info is stored in c[] and is used by various special
- * instructions, e.g. for clamping coordinates or generating an address.
- * They couldn't just have added an equivalent to TIC now, couldn't they ?
- */
-#define NVC0_SU_INFO_ADDR 0x00
-#define NVC0_SU_INFO_FMT 0x04
-#define NVC0_SU_INFO_DIM_X 0x08
-#define NVC0_SU_INFO_PITCH 0x0c
-#define NVC0_SU_INFO_DIM_Y 0x10
-#define NVC0_SU_INFO_ARRAY 0x14
-#define NVC0_SU_INFO_DIM_Z 0x18
-#define NVC0_SU_INFO_UNK1C 0x1c
-#define NVC0_SU_INFO_WIDTH 0x20
-#define NVC0_SU_INFO_HEIGHT 0x24
-#define NVC0_SU_INFO_DEPTH 0x28
-#define NVC0_SU_INFO_TARGET 0x2c
-#define NVC0_SU_INFO_BSIZE 0x30
-#define NVC0_SU_INFO_RAW_X 0x34
-#define NVC0_SU_INFO_MS_X 0x38
-#define NVC0_SU_INFO_MS_Y 0x3c
-
-#define NVC0_SU_INFO__STRIDE 0x40
-
-#define NVC0_SU_INFO_DIM(i) (0x08 + (i) * 8)
-#define NVC0_SU_INFO_SIZE(i) (0x20 + (i) * 4)
-#define NVC0_SU_INFO_MS(i) (0x38 + (i) * 4)
-
inline Value *
NVC0LoweringPass::loadSuInfo32(Value *ptr, int slot, uint32_t off, bool bindless)
{
prog->driver->io.suInfoBase);
}
+Value *
+NVC0LoweringPass::loadMsAdjInfo32(TexInstruction::Target target, uint32_t index, int slot, Value *ind, bool bindless)
+{
+ if (!bindless || targ->getChipset() < NVISA_GM107_CHIPSET)
+ return loadSuInfo32(ind, slot, NVC0_SU_INFO_MS(index), bindless);
+
+ assert(bindless);
+
+ Value *samples = bld.getSSA();
+ // this shouldn't be lowered because it's being inserted before the current instruction
+ TexInstruction *tex = new_TexInstruction(func, OP_TXQ);
+ tex->tex.target = target;
+ tex->tex.query = TXQ_TYPE;
+ tex->tex.mask = 0x4;
+ tex->tex.r = 0xff;
+ tex->tex.s = 0x1f;
+ tex->tex.rIndirectSrc = 0;
+ tex->setDef(0, samples);
+ tex->setSrc(0, ind);
+ tex->setSrc(1, bld.loadImm(NULL, 0));
+ bld.insert(tex);
+
+ // doesn't work with sample counts other than 1/2/4/8 but they aren't supported
+ switch (index) {
+ case 0: {
+ Value *tmp = bld.mkOp2v(OP_ADD, TYPE_U32, bld.getSSA(), samples, bld.mkImm(2));
+ return bld.mkOp2v(OP_SHR, TYPE_U32, bld.getSSA(), tmp, bld.mkImm(2));
+ }
+ case 1: {
+ Value *tmp = bld.mkCmp(OP_SET, CC_GT, TYPE_U32, bld.getSSA(), TYPE_U32, samples, bld.mkImm(2))->getDef(0);
+ return bld.mkOp2v(OP_AND, TYPE_U32, bld.getSSA(), tmp, bld.mkImm(1));
+ }
+ default: {
+ assert(false);
+ return NULL;
+ }
+ }
+}
+
static inline uint16_t getSuClampSubOp(const TexInstruction *su, int c)
{
switch (su->tex.target.getEnum()) {
Value *tx = bld.getSSA(), *ty = bld.getSSA(), *ts = bld.getSSA();
Value *ind = tex->getIndirectR();
- Value *ms_x = loadSuInfo32(ind, slot, NVC0_SU_INFO_MS(0), tex->tex.bindless);
- Value *ms_y = loadSuInfo32(ind, slot, NVC0_SU_INFO_MS(1), tex->tex.bindless);
+ Value *ms_x = loadMsAdjInfo32(tex->tex.target, 0, slot, ind, tex->tex.bindless);
+ Value *ms_y = loadMsAdjInfo32(tex->tex.target, 1, slot, ind, tex->tex.bindless);
bld.mkOp2(OP_SHL, TYPE_U32, tx, x, ms_x);
bld.mkOp2(OP_SHL, TYPE_U32, ty, y, ms_y);
su->op == OP_SULDB || su->op == OP_SUSTB || su->op == OP_SUREDB;
const int slot = su->tex.r;
const int dim = su->tex.target.getDim();
- const int arg = dim + (su->tex.target.isArray() || su->tex.target.isCube());
+ const bool array = su->tex.target.isArray() || su->tex.target.isCube();
+ const int arg = dim + array;
int c;
Value *zero = bld.mkImm(0);
Value *p1 = NULL;
Value *bf, *eau, *off;
Value *addr, *pred;
Value *ind = su->getIndirectR();
+ Value *y, *z;
off = bld.getScratch(4);
bf = bld.getScratch(4);
for (; c < 3; ++c)
src[c] = zero;
+ if (dim == 2 && !array) {
+ v = loadSuInfo32(ind, slot, NVC0_SU_INFO_UNK1C, su->tex.bindless);
+ src[2] = bld.mkOp2v(OP_SHR, TYPE_U32, bld.getSSA(),
+ v, bld.loadImm(NULL, 16));
+
+ v = loadSuInfo32(ind, slot, NVC0_SU_INFO_DIM(2), su->tex.bindless);
+ bld.mkOp3(OP_SUCLAMP, TYPE_S32, src[2], src[2], v, zero)
+ ->subOp = NV50_IR_SUBOP_SUCLAMP_SD(0, 2);
+ }
+
// set predicate output
if (su->tex.target == TEX_TARGET_BUFFER) {
src[0]->getInsn()->setFlagsDef(1, pred);
} else
- if (su->tex.target.isArray() || su->tex.target.isCube()) {
+ if (array) {
p1 = bld.getSSA(1, FILE_PREDICATE);
src[dim]->getInsn()->setFlagsDef(1, p1);
}
// calculate pixel offset
if (dim == 1) {
+ y = z = zero;
if (su->tex.target != TEX_TARGET_BUFFER)
bld.mkOp2(OP_AND, TYPE_U32, off, src[0], bld.loadImm(NULL, 0xffff));
- } else
- if (dim == 3) {
+ } else {
+ y = src[1];
+ z = src[2];
+
v = loadSuInfo32(ind, slot, NVC0_SU_INFO_UNK1C, su->tex.bindless);
bld.mkOp3(OP_MADSP, TYPE_U32, off, src[2], v, src[1])
- ->subOp = NV50_IR_SUBOP_MADSP(4,2,8); // u16l u16l u16l
+ ->subOp = NV50_IR_SUBOP_MADSP(4,4,8); // u16l u16l u16l
v = loadSuInfo32(ind, slot, NVC0_SU_INFO_PITCH, su->tex.bindless);
bld.mkOp3(OP_MADSP, TYPE_U32, off, off, v, src[0])
- ->subOp = NV50_IR_SUBOP_MADSP(0,2,8); // u32 u16l u16l
- } else {
- assert(dim == 2);
- v = loadSuInfo32(ind, slot, NVC0_SU_INFO_PITCH, su->tex.bindless);
- bld.mkOp3(OP_MADSP, TYPE_U32, off, src[1], v, src[0])
- ->subOp = (su->tex.target.isArray() || su->tex.target.isCube()) ?
- NV50_IR_SUBOP_MADSP_SD : NV50_IR_SUBOP_MADSP(4,2,8); // u16l u16l u16l
+ ->subOp = array ?
+ NV50_IR_SUBOP_MADSP_SD : NV50_IR_SUBOP_MADSP(0,2,8); // u32 u16l u16l
}
// calculate effective address part 1
->subOp = NV50_IR_SUBOP_V1(7,6,8|2);
}
} else {
- Value *y = src[1];
- Value *z = src[2];
uint16_t subOp = 0;
switch (dim) {
case 1:
- y = zero;
- z = zero;
break;
case 2:
- z = off;
- if (!su->tex.target.isArray() && !su->tex.target.isCube()) {
- z = loadSuInfo32(ind, slot, NVC0_SU_INFO_UNK1C, su->tex.bindless);
+ if (array) {
+ z = off;
+ } else {
subOp = NV50_IR_SUBOP_SUBFM_3D;
}
break;
eau = bld.mkOp3v(OP_SUEAU, TYPE_U32, bld.getScratch(4), off, bf, v);
}
// add array layer offset
- if (su->tex.target.isArray() || su->tex.target.isCube()) {
+ if (array) {
v = loadSuInfo32(ind, slot, NVC0_SU_INFO_ARRAY, su->tex.bindless);
if (dim == 1)
bld.mkOp3(OP_MADSP, TYPE_U32, eau, src[1], v, eau)
}
}
+void
+NVC0LoweringPass::insertOOBSurfaceOpResult(TexInstruction *su)
+{
+ if (!su->getPredicate())
+ return;
+
+ bld.setPosition(su, true);
+
+ for (unsigned i = 0; su->defExists(i); ++i) {
+ ValueDef &def = su->def(i);
+
+ Instruction *mov = bld.mkMov(bld.getSSA(), bld.loadImm(NULL, 0));
+ assert(su->cc == CC_NOT_P);
+ mov->setPredicate(CC_P, su->getPredicate());
+ Instruction *uni = bld.mkOp2(OP_UNION, TYPE_U32, bld.getSSA(), NULL, mov->getDef(0));
+
+ def.replace(uni->getDef(0), false);
+ uni->setSrc(0, def.get());
+ }
+}
+
void
NVC0LoweringPass::handleSurfaceOpNVE4(TexInstruction *su)
{
processSurfaceCoordsNVE4(su);
- if (su->op == OP_SULDP)
+ if (su->op == OP_SULDP) {
convertSurfaceFormat(su);
+ insertOOBSurfaceOpResult(su);
+ }
if (su->op == OP_SUREDB || su->op == OP_SUREDP) {
assert(su->getPredicate());
processSurfaceCoordsNVC0(su);
- if (su->op == OP_SULDP)
+ if (su->op == OP_SULDP) {
convertSurfaceFormat(su);
+ insertOOBSurfaceOpResult(su);
+ }
if (su->op == OP_SUREDB || su->op == OP_SUREDP) {
const int dim = su->tex.target.getDim();
bld.setPosition(su, false);
+ adjustCoordinatesMS(su);
+
// add texture handle
switch (su->op) {
case OP_SUSTP:
{
processSurfaceCoordsGM107(su);
- if (su->op == OP_SULDP)
+ if (su->op == OP_SULDP) {
convertSurfaceFormat(su);
+ insertOOBSurfaceOpResult(su);
+ }
if (su->op == OP_SUREDP) {
Value *def = su->getDef(0);
assert(prog->getType() != Program::TYPE_FRAGMENT); // INTERP
}
} else if (i->src(0).getFile() == FILE_MEMORY_CONST) {
+ int8_t fileIndex = i->getSrc(0)->reg.fileIndex - 1;
+ Value *ind = i->getIndirect(0, 1);
+
if (targ->getChipset() >= NVISA_GK104_CHIPSET &&
- prog->getType() == Program::TYPE_COMPUTE) {
+ prog->getType() == Program::TYPE_COMPUTE &&
+ (fileIndex >= 6 || ind)) {
// The launch descriptor only allows to set up 8 CBs, but OpenGL
- // requires at least 12 UBOs. To bypass this limitation, we store the
- // addrs into the driver constbuf and we directly load from the global
- // memory.
- int8_t fileIndex = i->getSrc(0)->reg.fileIndex - 1;
- Value *ind = i->getIndirect(0, 1);
-
- if (!ind && fileIndex == -1)
- return;
-
+ // requires at least 12 UBOs. To bypass this limitation, for constant
+ // buffers 7+, we store the addrs into the driver constbuf and we
+ // directly load from the global memory.
if (ind) {
// Clamp the UBO index when an indirect access is used to avoid
// loading information from the wrong place in the driver cb.
// TGSI backend may use 4th component of TID,NTID,CTAID,NCTAID
i->op = OP_MOV;
i->setSrc(0, bld.mkImm((sv == SV_NTID || sv == SV_NCTAID) ? 1 : 0));
+ } else
+ if (sv == SV_TID) {
+ // Help CSE combine TID fetches
+ Value *tid = bld.mkOp1v(OP_RDSV, TYPE_U32, bld.getScratch(),
+ bld.mkSysVal(SV_COMBINED_TID, 0));
+ i->op = OP_EXTBF;
+ i->setSrc(0, tid);
+ switch (sym->reg.data.sv.index) {
+ case 0: i->setSrc(1, bld.mkImm(0x1000)); break;
+ case 1: i->setSrc(1, bld.mkImm(0x0a10)); break;
+ case 2: i->setSrc(1, bld.mkImm(0x061a)); break;
+ }
}
if (sv == SV_VERTEX_COUNT) {
bld.setPosition(i, true);
ld->subOp = NV50_IR_SUBOP_PIXLD_SAMPLEID;
break;
case SV_SAMPLE_POS: {
- Value *off = new_LValue(func, FILE_GPR);
- ld = bld.mkOp1(OP_PIXLD, TYPE_U32, i->getDef(0), bld.mkImm(0));
+ Value *sampleID = bld.getScratch();
+ ld = bld.mkOp1(OP_PIXLD, TYPE_U32, sampleID, bld.mkImm(0));
ld->subOp = NV50_IR_SUBOP_PIXLD_SAMPLEID;
- bld.mkOp2(OP_SHL, TYPE_U32, off, i->getDef(0), bld.mkImm(3));
- bld.mkLoad(TYPE_F32,
- i->getDef(0),
- bld.mkSymbol(
- FILE_MEMORY_CONST, prog->driver->io.auxCBSlot,
- TYPE_U32, prog->driver->io.sampleInfoBase +
- 4 * sym->reg.data.sv.index),
- off);
+ Value *offset = calculateSampleOffset(sampleID);
+
+ assert(prog->driver->prop.fp.readsSampleLocations);
+
+ if (targ->getChipset() >= NVISA_GM200_CHIPSET) {
+ bld.mkLoad(TYPE_F32,
+ i->getDef(0),
+ bld.mkSymbol(
+ FILE_MEMORY_CONST, prog->driver->io.auxCBSlot,
+ TYPE_U32, prog->driver->io.sampleInfoBase),
+ offset);
+ bld.mkOp2(OP_EXTBF, TYPE_U32, i->getDef(0), i->getDef(0),
+ bld.mkImm(0x040c + sym->reg.data.sv.index * 16));
+ bld.mkCvt(OP_CVT, TYPE_F32, i->getDef(0), TYPE_U32, i->getDef(0));
+ bld.mkOp2(OP_MUL, TYPE_F32, i->getDef(0), i->getDef(0), bld.mkImm(1.0f / 16.0f));
+ } else {
+ bld.mkLoad(TYPE_F32,
+ i->getDef(0),
+ bld.mkSymbol(
+ FILE_MEMORY_CONST, prog->driver->io.auxCBSlot,
+ TYPE_U32, prog->driver->io.sampleInfoBase +
+ 4 * sym->reg.data.sv.index),
+ offset);
+ }
break;
}
case SV_SAMPLE_MASK: {
bool
NVC0LoweringPass::handleSQRT(Instruction *i)
{
+ if (targ->isOpSupported(OP_SQRT, i->dType))
+ return true;
+
if (i->dType == TYPE_F64) {
Value *pred = bld.getSSA(1, FILE_PREDICATE);
Value *zero = bld.loadImm(NULL, 0.0);
return true;
}
+Value *
+NVC0LoweringPass::calculateSampleOffset(Value *sampleID)
+{
+ Value *offset = bld.getScratch();
+ if (targ->getChipset() >= NVISA_GM200_CHIPSET) {
+ // Sample location offsets (in bytes) are calculated like so:
+ // offset = (SV_POSITION.y % 4 * 2) + (SV_POSITION.x % 2)
+ // offset = offset * 32 + sampleID % 8 * 4;
+ // which is equivalent to:
+ // offset = (SV_POSITION.y & 0x3) << 6 + (SV_POSITION.x & 0x1) << 5;
+ // offset += sampleID << 2
+
+ // The second operand (src1) of the INSBF instructions are like so:
+ // 0xssll where ss is the size and ll is the offset.
+ // so: dest = src2 | (src0 & (1 << ss - 1)) << ll
+
+ // Add sample ID (offset = (sampleID & 0x7) << 2)
+ bld.mkOp3(OP_INSBF, TYPE_U32, offset, sampleID, bld.mkImm(0x0302), bld.mkImm(0x0));
+
+ Symbol *xSym = bld.mkSysVal(SV_POSITION, 0);
+ Symbol *ySym = bld.mkSysVal(SV_POSITION, 1);
+ Value *coord = bld.getScratch();
+
+ // Add X coordinate (offset |= (SV_POSITION.x & 0x1) << 5)
+ bld.mkInterp(NV50_IR_INTERP_LINEAR, coord,
+ targ->getSVAddress(FILE_SHADER_INPUT, xSym), NULL);
+ bld.mkCvt(OP_CVT, TYPE_U32, coord, TYPE_F32, coord)
+ ->rnd = ROUND_ZI;
+ bld.mkOp3(OP_INSBF, TYPE_U32, offset, coord, bld.mkImm(0x0105), offset);
+
+ // Add Y coordinate (offset |= (SV_POSITION.y & 0x3) << 6)
+ bld.mkInterp(NV50_IR_INTERP_LINEAR, coord,
+ targ->getSVAddress(FILE_SHADER_INPUT, ySym), NULL);
+ bld.mkCvt(OP_CVT, TYPE_U32, coord, TYPE_F32, coord)
+ ->rnd = ROUND_ZI;
+ bld.mkOp3(OP_INSBF, TYPE_U32, offset, coord, bld.mkImm(0x0206), offset);
+ } else {
+ bld.mkOp2(OP_SHL, TYPE_U32, offset, sampleID, bld.mkImm(3));
+ }
+ return offset;
+}
+
+// Handle programmable sample locations for GM20x+
+void
+NVC0LoweringPass::handlePIXLD(Instruction *i)
+{
+ if (i->subOp != NV50_IR_SUBOP_PIXLD_OFFSET)
+ return;
+ if (targ->getChipset() < NVISA_GM200_CHIPSET)
+ return;
+
+ assert(prog->driver->prop.fp.readsSampleLocations);
+
+ bld.mkLoad(TYPE_F32,
+ i->getDef(0),
+ bld.mkSymbol(
+ FILE_MEMORY_CONST, prog->driver->io.auxCBSlot,
+ TYPE_U32, prog->driver->io.sampleInfoBase),
+ calculateSampleOffset(i->getSrc(0)));
+
+ bld.getBB()->remove(i);
+}
+
// Generate a binary predicate if an instruction is predicated by
// e.g. an f32 value.
void
case OP_BUFQ:
handleBUFQ(i);
break;
+ case OP_PIXLD:
+ handlePIXLD(i);
+ break;
default:
break;
}