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added a8r8g8b8_put_tile()

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This commit is contained in:
Brian 2007-09-26 18:34:43 -06:00
parent fcd4eeb743
commit 78008dbcaa
1 changed files with 41 additions and 0 deletions
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41
src/mesa/pipe/softpipe/sp_surface.c
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@ -133,6 +133,46 @@ a8r8g8b8_get_tile(struct pipe_surface *ps,
}
static void
a8r8g8b8_put_tile(struct pipe_surface *ps,
unsigned x, unsigned y, unsigned w, unsigned h,
const float *p)
{
unsigned *dst
= ((unsigned *) (ps->region->map + ps->offset))
+ y * ps->region->pitch + x;
unsigned i, j;
unsigned w0 = w;
assert(ps->format == PIPE_FORMAT_U_A8_R8_G8_B8);
#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++) {
const float *pRow = p;
for (j = 0; j < w; j++) {
unsigned r, g, b, a;
UNCLAMPED_FLOAT_TO_UBYTE(r, pRow[0]);
UNCLAMPED_FLOAT_TO_UBYTE(g, pRow[1]);
UNCLAMPED_FLOAT_TO_UBYTE(b, pRow[2]);
UNCLAMPED_FLOAT_TO_UBYTE(a, pRow[3]);
dst[j] = (a << 24) | (r << 16) | (g << 8) | b;
pRow += 4;
}
dst += ps->region->pitch;
p += w0 * 4;
}
}
/*** PIPE_FORMAT_U_A1_R5_G5_B5 ***/
static void
@ -705,6 +745,7 @@ softpipe_init_surface_funcs(struct softpipe_surface *sps)
sps->read_quad_f_swz = a8r8g8b8_read_quad_f_swz;
sps->write_quad_f_swz = a8r8g8b8_write_quad_f_swz;
sps->surface.get_tile = a8r8g8b8_get_tile;
sps->surface.put_tile = a8r8g8b8_put_tile;
break;
case PIPE_FORMAT_U_A1_R5_G5_B5:
sps->surface.get_tile = a1r5g5b5_get_tile;