radeonsi also does the same thing. I suspect that this is likely to be a no-op in reality, but it brings nouveau code closer to what the blob produces. Plus it makes sense to not try to do auto-derivatives on this.
Signed-off-by: Ilia Mirkin <[email protected]> --- src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) 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 e43c951..0e0eecc 100644 --- a/src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp +++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp @@ -2193,7 +2193,13 @@ Converter::handleTEX(Value *dst[4], int R, int S, int L, int C, int Dx, int Dy) setTexRS(texi, s, R, S); - if (tgsi.getOpcode() == TGSI_OPCODE_SAMPLE_C_LZ) + if (tgsi.getOpcode() == TGSI_OPCODE_SAMPLE_C_LZ || + tgsi.getOpcode() == TGSI_OPCODE_TG4) + texi->tex.levelZero = true; + if (prog->getType() != Program::TYPE_FRAGMENT && + (tgsi.getOpcode() == TGSI_OPCODE_TEX || + tgsi.getOpcode() == TGSI_OPCODE_TEX2 || + tgsi.getOpcode() == TGSI_OPCODE_TXP)) texi->tex.levelZero = true; if (tgsi.getOpcode() == TGSI_OPCODE_TG4 && !tgt.isShadow()) texi->tex.gatherComp = tgsi.getSrc(1).getValueU32(0, info); -- 2.7.3 _______________________________________________ mesa-dev mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/mesa-dev
