2 files changed, 46 insertions, 8 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_exec.c b/src/gallium/auxiliary/tgsi/tgsi_exec.c
index 8b430548bc..c4ba667d32 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_exec.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_exec.c
@@ -393,10 +393,18 @@ micro_div(
    const union tgsi_exec_channel *src0,
    const union tgsi_exec_channel *src1 )
 {
-   dst->f[0] = src0->f[0] / src1->f[0];
-   dst->f[1] = src0->f[1] / src1->f[1];
-   dst->f[2] = src0->f[2] / src1->f[2];
-   dst->f[3] = src0->f[3] / src1->f[3];
+   if (src1->f[0] != 0) {
+      dst->f[0] = src0->f[0] / src1->f[0];
+   }
+   if (src1->f[1] != 0) {
+      dst->f[1] = src0->f[1] / src1->f[1];
+   }
+   if (src1->f[2] != 0) {
+      dst->f[2] = src0->f[2] / src1->f[2];
+   }
+   if (src1->f[3] != 0) {
+      dst->f[3] = src0->f[3] / src1->f[3];
+   }
 }
 
 static void
@@ -1181,8 +1189,8 @@ store_dest(
  * Kill fragment if any of the four values is less than zero.
  */
 static void
-exec_kilp(struct tgsi_exec_machine *mach,
-          const struct tgsi_full_instruction *inst)
+exec_kil(struct tgsi_exec_machine *mach,
+         const struct tgsi_full_instruction *inst)
 {
    uint uniquemask;
    uint chan_index;
@@ -1218,6 +1226,21 @@ exec_kilp(struct tgsi_exec_machine *mach,
    mach->Temps[TEMP_KILMASK_I].xyzw[TEMP_KILMASK_C].u[0] |= kilmask;
 }
 
+/**
+ * Execute NVIDIA-style KIL which is predicated by a condition code.
+ * Kill fragment if the condition code is TRUE.
+ */
+static void
+exec_kilp(struct tgsi_exec_machine *mach,
+          const struct tgsi_full_instruction *inst)
+{
+   uint kilmask = 0; /* bit 0 = pixel 0, bit 1 = pixel 1, etc */
+
+   /* TODO: build kilmask from CC mask */
+
+   mach->Temps[TEMP_KILMASK_I].xyzw[TEMP_KILMASK_C].u[0] |= kilmask;
+}
+
 
 /*
  * Fetch a texel using STR texture coordinates.
@@ -1963,8 +1986,7 @@ exec_instruction(
       break;
 
    case TGSI_OPCODE_KIL:
-      /* for enabled ExecMask bits, set the killed bit */
-      mach->Temps[TEMP_KILMASK_I].xyzw[TEMP_KILMASK_C].u[0] |= mach->ExecMask;
+      exec_kil (mach, inst);
       break;
 
    case TGSI_OPCODE_PK2H:
diff --git a/src/gallium/auxiliary/tgsi/tgsi_sse2.c b/src/gallium/auxiliary/tgsi/tgsi_sse2.c
index 0cb1f11ef2..47dc06faf6 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_sse2.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_sse2.c
@@ -1096,6 +1096,15 @@ emit_kil(
       x86_make_reg( file_REG32, reg_AX ) );
 }
 
+
+static void
+emit_kilp(
+   struct x86_function *func )
+{
+   /* XXX todo / fix me */
+}
+
+
 static void
 emit_setcc(
    struct x86_function *func,
@@ -1609,7 +1618,14 @@ emit_instruction(
       return 0;
       break;
 
+   case TGSI_OPCODE_KILP:
+      /* predicated kill */
+      emit_kilp( func );
+      return 0; /* XXX fix me */
+      break;
+
    case TGSI_OPCODE_KIL:
+      /* conditional kill */
       emit_kil( func, &inst->FullSrcRegisters[0] );
       break;