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authorBrian <brian.paul@tungstengraphics.com>2007-12-05 14:48:09 -0700
committerBrian <brian.paul@tungstengraphics.com>2007-12-05 14:48:09 -0700
commit04516cfcaf15589768c973231d8c317e851a78cb (patch)
treebf7a5d7228e0868fbdf7f9283308d5dd4b74ff58 /src/mesa/pipe
parentfa3fc81f2c23f6ae7e4962cebee4356ca5e4383d (diff)
added tile funcs for B8G8R8A8 format
Diffstat (limited to 'src/mesa/pipe')
-rw-r--r--src/mesa/pipe/softpipe/sp_surface.c70
1 files changed, 70 insertions, 0 deletions
diff --git a/src/mesa/pipe/softpipe/sp_surface.c b/src/mesa/pipe/softpipe/sp_surface.c
index 2ddf3ab99c..a6ab404603 100644
--- a/src/mesa/pipe/softpipe/sp_surface.c
+++ b/src/mesa/pipe/softpipe/sp_surface.c
@@ -133,6 +133,70 @@ a8r8g8b8_put_tile(struct pipe_surface *ps,
}
+/*** PIPE_FORMAT_U_B8_G8_R8_A8 ***/
+
+static void
+b8g8r8a8_get_tile(struct pipe_surface *ps,
+ unsigned x, unsigned y, unsigned w, unsigned h, float *p)
+{
+ const unsigned *src
+ = ((const unsigned *) (ps->region->map + ps->offset))
+ + y * ps->pitch + x;
+ unsigned i, j;
+ unsigned w0 = w;
+
+ assert(ps->format == PIPE_FORMAT_U_B8_G8_R8_A8);
+
+ CLIP_TILE;
+
+ for (i = 0; i < h; i++) {
+ float *pRow = p;
+ for (j = 0; j < w; j++) {
+ const unsigned pixel = src[j];
+ pRow[0] = UBYTE_TO_FLOAT((pixel >> 8) & 0xff);
+ pRow[1] = UBYTE_TO_FLOAT((pixel >> 16) & 0xff);
+ pRow[2] = UBYTE_TO_FLOAT((pixel >> 24) & 0xff);
+ pRow[3] = UBYTE_TO_FLOAT((pixel >> 0) & 0xff);
+ pRow += 4;
+ }
+ src += ps->pitch;
+ p += w0 * 4;
+ }
+}
+
+
+static void
+b8g8r8a8_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->pitch + x;
+ unsigned i, j;
+ unsigned w0 = w;
+
+ assert(ps->format == PIPE_FORMAT_U_B8_G8_R8_A8);
+
+ CLIP_TILE;
+
+ 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] = (b << 24) | (g << 16) | (r << 8) | a;
+ pRow += 4;
+ }
+ dst += ps->pitch;
+ p += w0 * 4;
+ }
+}
+
+
/*** PIPE_FORMAT_U_A1_R5_G5_B5 ***/
static void
@@ -610,6 +674,9 @@ softpipe_get_tile_rgba(struct pipe_context *pipe,
case PIPE_FORMAT_U_A8_R8_G8_B8:
a8r8g8b8_get_tile(ps, x, y, w, h, p);
break;
+ case PIPE_FORMAT_U_B8_G8_R8_A8:
+ b8g8r8a8_get_tile(ps, x, y, w, h, p);
+ break;
case PIPE_FORMAT_U_A1_R5_G5_B5:
a1r5g5b5_get_tile(ps, x, y, w, h, p);
break;
@@ -657,6 +724,9 @@ softpipe_put_tile_rgba(struct pipe_context *pipe,
case PIPE_FORMAT_U_A8_R8_G8_B8:
a8r8g8b8_put_tile(ps, x, y, w, h, p);
break;
+ case PIPE_FORMAT_U_B8_G8_R8_A8:
+ b8g8r8a8_put_tile(ps, x, y, w, h, p);
+ break;
case PIPE_FORMAT_U_A1_R5_G5_B5:
/*a1r5g5b5_put_tile(ps, x, y, w, h, p);*/
break;