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nvc0/ir: fix emitting vertex stream 

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
This commit is contained in:
Ilia Mirkin 2014-06-27 00:27:07 -04:00
parent 1d16dbf416
commit 40b8aec251
1 changed files with 8 additions and 7 deletions
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15
src/gallium/drivers/nouveau/codegen/nv50_ir_emit_nvc0.cpp
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@ -1507,13 +1507,14 @@ CodeEmitterNVC0::emitOUT(const Instruction *i)
// vertex stream
if (i->src(1).getFile() == FILE_IMMEDIATE) {
// Using immediate encoding here triggers an invalid opcode error
// or random results when error reporting is disabled.
// TODO: figure this out when we get multiple vertex streams
assert(SDATA(i->src(1)).u32 == 0);
srcId(NULL, 26);
// code[1] |= 0xc000;
// code[0] |= SDATA(i->src(1)).u32 << 26;
unsigned int stream = SDATA(i->src(1)).u32;
assert(stream < 4);
if (stream) {
code[1] |= 0xc000;
code[0] |= stream << 26;
} else {
srcId(NULL, 26);
}
} else {
srcId(i->src(1), 26);
}