inp001.c
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/*
* inp001.c: simple check of texture filter
*/
#include <stdio.h>
#include "sigs.h"
#define MAX_S 0xff
#define MAX_T 0xff
#define N_S 7
#define N_T 11
/*
* Generate test vcectors
*/
#define SET_A(x,y,z,w) tm_ra = (x); tm_ga = (y); tm_ba = (z); tm_aa = (w)
#define SET_B(x,y,z,w) tm_rb = (x); tm_gb = (y); tm_bb = (z); tm_ab = (w)
#define SET_C(x,y,z,w) tm_rc = (x); tm_gc = (y); tm_bc = (z); tm_ac = (w)
#define SET_D(x,y,z,w) tm_rd = (x); tm_gd = (y); tm_bd = (z); tm_ad = (w)
#define SET_S(x) sfrac_rg = (x); sfrac_ba = (x)
#define SET_T(x) tfrac_rg = (x); tfrac_ba = (x)
main(int argc, char **argv)
{
double s,t;
double ds,dt;
int is, it;
ds = 1.0/N_S;
dt = 1.0/N_T;
print_input_header();
printf("# First\n");
print_input_sigs(2);
printf("# select A texel\n");
bilerp0m = 1;
bilerp1m = 1;
lod_frac = 0x1aa; /* see if it gets through */
lge1 = 1; /* see if it gets through */
SET_A(0xff,0xee,0xdd,0xcc);
SET_B(0xbb,0xaa,0x99,0x88);
SET_C(0x77,0x66,0x55,0x44);
SET_D(0x33,0x22,0x11,0x00);
SET_S(0x00);
SET_T(0x00);
print_input_sigs(1);
dv = 1; /* Data valid here */
for(s=0.0; s<(1.0+ds/2); s+=ds)
for(t=0.0; t<(1.0+dt/2); t+=dt) {
is = MAX_S * s + 0.5;
it = MAX_T * t + 0.5;
SET_S(is);
SET_T(it);
printf("# s=%5.1f%% t=%5.1f%%\n", s*100, t*100 );
print_input_sigs(1);
};
}
/*
* Prints header info for input signals, same for all dumps
*/
static void
print_input_header( void )
{
printf("gclk @C 1(8) 0(8)\n");
printf("st_span @I @E 0\n");
printf("ncyc @I @E 0\n");
printf("bilerp0m @I @E 0\n");
printf("bilerp1m @I @E 0\n");
printf("convert_one @I @E 0\n");
printf("mid_texel @I @E 0\n");
printf("k0_coeff[8:0] @I @E 0\n");
printf("k1_coeff[8:0] @I @E 0\n");
printf("k2_coeff[8:0] @I @E 0\n");
printf("k3_coeff[8:0] @I @E 0\n");
printf("lod_frac[8:0] @I @E 0\n");
printf("lge1 @I @E 0\n");
printf("sfrac_rg[7:0] @I @E 0\n");
printf("tfrac_rg[7:0] @I @E 0\n");
printf("sfrac_ba[7:0] @I @E 0\n");
printf("tfrac_ba[7:0] @I @E 0\n");
printf("tm_ra[8:0] @I @E 0\n");
printf("tm_ga[8:0] @I @E 0\n");
printf("tm_ba[8:0] @I @E 0\n");
printf("tm_aa[8:0] @I @E 0\n");
printf("tm_rb[8:0] @I @E 0\n");
printf("tm_gb[8:0] @I @E 0\n");
printf("tm_bb[8:0] @I @E 0\n");
printf("tm_ab[8:0] @I @E 0\n");
printf("tm_rc[8:0] @I @E 0\n");
printf("tm_gc[8:0] @I @E 0\n");
printf("tm_bc[8:0] @I @E 0\n");
printf("tm_ac[8:0] @I @E 0\n");
printf("tm_rd[8:0] @I @E 0\n");
printf("tm_gd[8:0] @I @E 0\n");
printf("tm_bd[8:0] @I @E 0\n");
printf("tm_ad[8:0] @I @E 0\n");
printf("dv @I @E 0\n");
printf("\n"); /* required newline */
}
/*
* Prints signal values info for input signals, same for all dumps
*/
static void
print_input_sigs( int count )
{
while( count-- ) {
printf("%d %d %d %d %d %d ",
st_span,
ncyc,
bilerp0m,
bilerp1m,
convert_one,
mid_texel);
printf("0x%.3x 0x%.3x 0x%.3x 0x%.3x ",
k0_coeff,
k1_coeff,
k2_coeff,
k3_coeff);
printf("0x%.3x %d 0x%.2x 0x%.2x 0x%.2x 0x%.2x ",
lod_frac,
lge1,
sfrac_rg,
tfrac_rg,
sfrac_ba,
tfrac_ba);
printf("0x%0.3x 0x%0.3x 0x%0.3x 0x%0.3x ",
tm_ra,
tm_ga,
tm_ba,
tm_aa);
printf("0x%0.3x 0x%0.3x 0x%0.3x 0x%0.3x ",
tm_rb,
tm_gb,
tm_bb,
tm_ab);
printf("0x%0.3x 0x%0.3x 0x%0.3x 0x%0.3x ",
tm_rc,
tm_gc,
tm_bc,
tm_ac);
printf("0x%0.3x 0x%0.3x 0x%0.3x 0x%0.3x ",
tm_rd,
tm_gd,
tm_bd,
tm_ad);
printf("%d\n",
dv);
};
}