From: Karol Herbst <kherbst@redhat.com>
Date: Sat, 30 Jun 2018 02:58:30 +0000 (+0200)
Subject: nv50/ir: handle clipvertex for geom and tess shaders as well
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=c7726fbfa5f3370baada02f2c6c58f7689809631;p=mesa.git

nv50/ir: handle clipvertex for geom and tess shaders as well

this will be needed for compatibility profiles

v2: handle tess shaders

Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Karol Herbst <kherbst@redhat.com>
---

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 c92acc996c4..2f9bcc1f34b 100644
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp
@@ -3613,6 +3613,9 @@ Converter::handleInstruction(const struct tgsi_full_instruction *insn)
                                   info->out[info->io.viewportId].slot[0] * 4);
          mkStore(OP_EXPORT, TYPE_U32, vpSym, NULL, viewport);
       }
+      /* handle user clip planes for each emitted vertex */
+      if (info->io.genUserClip > 0)
+         handleUserClipPlanes();
       /* fallthrough */
    case TGSI_OPCODE_ENDPRIM:
    {
@@ -3787,7 +3790,9 @@ Converter::handleInstruction(const struct tgsi_full_instruction *insn)
       setPosition(epilogue, true);
       if (prog->getType() == Program::TYPE_FRAGMENT)
          exportOutputs();
-      if (info->io.genUserClip > 0)
+      if ((prog->getType() == Program::TYPE_VERTEX ||
+           prog->getType() == Program::TYPE_TESSELLATION_EVAL
+          ) && info->io.genUserClip > 0)
          handleUserClipPlanes();
       mkOp(OP_EXIT, TYPE_NONE, NULL)->terminator = 1;
    }