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added s8z24_get_tile()

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This commit is contained in:
Brian 2007-10-03 13:44:53 -06:00
parent 76e61556e7
commit e6f4af6b23
1 changed files with 37 additions and 0 deletions
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37
src/mesa/pipe/softpipe/sp_surface.c
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@ -695,6 +695,42 @@ s8z24_write_quad_stencil(struct softpipe_surface *sps,
}
/**
* Note, the actual returned pixels are uint, not float
*/
static void
s8z24_get_tile(struct pipe_surface *ps,
unsigned x, unsigned y, unsigned w, unsigned h, float *p)
{
const uint *src
= ((const uint *) (ps->region->map + ps->offset))
+ y * ps->region->pitch + x;
unsigned i, j;
unsigned w0 = w;
assert(ps->format == PIPE_FORMAT_S8_Z24);
#if 0
assert(x + w <= ps->width);
assert(y + h <= ps->height);
#else
/* temp clipping hack */
if (x + w > ps->width)
w = ps->width - x;
if (y + h > ps->height)
h = ps->height -y;
#endif
for (i = 0; i < h; i++) {
uint *pRow = (uint *) p;
for (j = 0; j < w; j++) {
pRow[j] = src[j];
}
src += ps->region->pitch;
p += w0;
}
}
/*** PIPE_FORMAT_U_S8 ***/
static void
@ -784,6 +820,7 @@ softpipe_init_surface_funcs(struct softpipe_surface *sps)
sps->write_quad_z = s8z24_write_quad_z;
sps->read_quad_stencil = s8z24_read_quad_stencil;
sps->write_quad_stencil = s8z24_write_quad_stencil;
sps->surface.get_tile = s8z24_get_tile;
break;
case PIPE_FORMAT_U_S8: