gallium: remove TGSI_SAT_MINUS_PLUS_ONE

It's a remnant of some old NV extension. Unused.

I also have a patch that removes predicates if anyone is interested.

Reviewed-by: Roland Scheidegger <[email protected]>

1 files changed, 1 insertions, 12 deletions

diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp
index 6f7f397609b..2dcadeed44d 100644
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp
@@ -1604,19 +1604,8 @@ Converter::storeDst(int d, int c, Value *val)
 {
    const tgsi::Instruction::DstRegister dst = tgsi.getDst(d);
 
-   switch (tgsi.getSaturate()) {
-   case TGSI_SAT_NONE:
-      break;
-   case TGSI_SAT_ZERO_ONE:
+   if (tgsi.getSaturate()) {
       mkOp1(OP_SAT, dstTy, val, val);
-      break;
-   case TGSI_SAT_MINUS_PLUS_ONE:
-      mkOp2(OP_MAX, dstTy, val, val, mkImm(-1.0f));
-      mkOp2(OP_MIN, dstTy, val, val, mkImm(+1.0f));
-      break;
-   default:
-      assert(!"invalid saturation mode");
-      break;
    }
 
    Value *ptr = NULL;