d3d10/effect: Add support for udiv instruction.

dlls/d3d10/effect.c

@@ -274,6 +274,15 @@ static void pres_itof(float **args, unsigned int n, const struct preshader_instr
         retval[i] = *(int *)&args[0][i];
 }
 
+static void pres_utof(float **args, unsigned int n, const struct preshader_instr *instr)
+{
+    float *retval = args[1];
+    unsigned int i;
+
+    for (i = 0; i < instr->comp_count; ++i)
+        retval[i] = *(unsigned int *)&args[0][i];
+}
+
 static void pres_ftou(float **args, unsigned int n, const struct preshader_instr *instr)
 {
     float *retval = args[1];
@@ -343,6 +352,20 @@ static void pres_div(float **args, unsigned int n, const struct preshader_instr
         retval[i] = args[0][instr->scalar ? 0 : i] / args[1][i];
 }
 
+static void pres_udiv(float **args, unsigned int n, const struct preshader_instr *instr)
+{
+    unsigned int *arg1 = (unsigned int *)args[0];
+    unsigned int *arg2 = (unsigned int *)args[1];
+    float *retval = args[2];
+    unsigned int i;
+
+    for (i = 0; i < instr->comp_count; ++i)
+    {
+        unsigned int v = 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];
@@ -372,6 +395,7 @@ static const struct preshader_op_info preshader_ops[] =
     { 0x109, "cos",  pres_cos  },
     { 0x120, "ineg", pres_ineg },
     { 0x130, "itof", pres_itof },
+    { 0x131, "utof", pres_utof },
     { 0x133, "ftou", pres_ftou },
     { 0x137, "ftob", pres_ftob },
     { 0x200, "min",  pres_min  },
@@ -379,6 +403,7 @@ static const struct preshader_op_info preshader_ops[] =
     { 0x204, "add",  pres_add  },
     { 0x205, "mul",  pres_mul  },
     { 0x208, "div",  pres_div  },
+    { 0x21a, "udiv", pres_udiv },
     { 0x21e, "imax", pres_imax },
 };