d3d10/effect: Add support for 'imin' instruction.

dlls/d3d10/effect.c

@@ -402,6 +402,19 @@ static void pres_udiv(float **args, unsigned int n, const struct preshader_instr
     }
 }
 
+static void pres_imin(float **args, unsigned int n, const struct preshader_instr *instr)
+{
+    int *arg1 = (int *)args[0], *arg2 = (int *)args[1];
+    float *retval = args[2];
+    unsigned int i;
+
+    for (i = 0; i < instr->comp_count; ++i)
+    {
+        int v = min(arg1[instr->scalar ? 0 : i], arg2[i]);
+        retval[i] = *(float *)&v;
+    }
+}
+
 static void pres_imax(float **args, unsigned int n, const struct preshader_instr *instr)
 {
     int *arg1 = (int *)args[0], *arg2 = (int *)args[1];
@@ -480,6 +493,7 @@ static const struct preshader_op_info preshader_ops[] =
     { 0x206, "atan2",pres_atan2},
     { 0x208, "div",  pres_div  },
     { 0x21a, "udiv", pres_udiv },
+    { 0x21d, "imin", pres_imin },
     { 0x21e, "imax", pres_imax },
     { 0x21f, "umin", pres_umin },
     { 0x220, "umax", pres_umax },