diff options
-rw-r--r-- | src/gallium/drivers/nvc0/codegen/nv50_ir_emit_nvc0.cpp | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/src/gallium/drivers/nvc0/codegen/nv50_ir_emit_nvc0.cpp b/src/gallium/drivers/nvc0/codegen/nv50_ir_emit_nvc0.cpp index c91c56c9c10..026a6a0ee99 100644 --- a/src/gallium/drivers/nvc0/codegen/nv50_ir_emit_nvc0.cpp +++ b/src/gallium/drivers/nvc0/codegen/nv50_ir_emit_nvc0.cpp @@ -965,13 +965,25 @@ void CodeEmitterNVC0::emitTEXCSAA(const TexInstruction *i) srcId(i->src(0), 20); } +static inline bool +isNextIndependentTex(const TexInstruction *i) +{ + if (!i->next || !isTextureOp(i->next->op)) + return false; + if (i->getDef(0)->interfers(i->next->getSrc(0))) + return false; + return !i->next->srcExists(1) || !i->getDef(0)->interfers(i->next->getSrc(1)); +} + void CodeEmitterNVC0::emitTEX(const TexInstruction *i) { code[0] = 0x00000006; - if (1) - code[0] |= 0x80; // normal/t/p mode = t, XXX: what is this ? + if (isNextIndependentTex(i)) + code[0] |= 0x080; // t mode + else + code[0] |= 0x100; // p mode if (i->tex.liveOnly) code[0] |= 1 << 9; @@ -1021,7 +1033,7 @@ CodeEmitterNVC0::emitTEX(const TexInstruction *i) if (i->tex.target.isShadow()) code[1] |= 1 << 24; - const int src1 = MAX2(i->predSrc + 1, 1); // if predSrc == 1, no 2nd src + const int src1 = (i->predSrc == 1) ? 2 : 1; // if predSrc == 1, !srcExists(2) if (i->srcExists(src1) && i->src(src1).getFile() == FILE_IMMEDIATE) { // lzero |