40 lines
776 B
C
40 lines
776 B
C
#include "zbuffer.h"
|
|
#include <stdbool.h>
|
|
#include <gint/display.h>
|
|
#include <gint/std/stdio.h>
|
|
#include <gint/std/stdlib.h>
|
|
#include <gint/keyboard.h>
|
|
static const int size_uint32 = 128*64;
|
|
|
|
static uint32_t* address=0;
|
|
|
|
void FE_zbuffer_clear()
|
|
{
|
|
while (address==0)
|
|
{
|
|
address=malloc(size_uint32*sizeof(uint32_t));
|
|
if (address==0)
|
|
{
|
|
dclear(C_WHITE);
|
|
dtext(1,1,"Not enough RAM...",C_BLACK,C_NONE);
|
|
}
|
|
}
|
|
int indice=0;
|
|
// TODO ** ajouter le DMA pour les architectures sh4
|
|
for (indice=0; indice<4096; indice++)
|
|
address[indice]=0;
|
|
}
|
|
|
|
bool FE_zbuffer_set_dist(int x, int y, int dist)
|
|
{
|
|
x%=FE_ZB_SIZE_X;
|
|
y%=FE_ZB_SIZE_Y;
|
|
const int indice=x*y;
|
|
if (address[indice]==0 || address[indice]>dist)
|
|
{
|
|
address[indice]=dist;
|
|
return true;
|
|
}
|
|
else
|
|
return false;
|
|
} |