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authorBrian <brian.paul@tungstengraphics.com>2007-09-26 18:34:43 -0600
committerBrian <brian.paul@tungstengraphics.com>2007-09-26 18:34:43 -0600
commit78008dbcaaf74cac3b66dae103f631de94df6137 (patch)
tree1fa6169a92c71a18e56ac318f3402f78d715338a /src/mesa
parentfcd4eeb743c717d48166e38a57fcd4a1752e32ab (diff)
added a8r8g8b8_put_tile()
Diffstat (limited to 'src/mesa')
-rwxr-xr-xsrc/mesa/pipe/softpipe/sp_surface.c41
1 files changed, 41 insertions, 0 deletions
diff --git a/src/mesa/pipe/softpipe/sp_surface.c b/src/mesa/pipe/softpipe/sp_surface.c
index 75e36e3e3f..b06f6813c0 100755
--- a/src/mesa/pipe/softpipe/sp_surface.c
+++ b/src/mesa/pipe/softpipe/sp_surface.c
@@ -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;