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gallium: added a4r4g4b4_put_tile_rgba()

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This commit is contained in:
Brian Paul 2008-07-03 14:55:14 -06:00
parent 78388c0e37
commit 51abbdd227
1 changed files with 31 additions and 0 deletions
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31
src/gallium/auxiliary/util/p_tile.c
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@ -298,6 +298,33 @@ a4r4g4b4_get_tile_rgba(ushort *src,
}
static void
a4r4g4b4_put_tile_rgba(ushort *dst,
unsigned w, unsigned h,
const float *p,
unsigned src_stride)
{
unsigned i, j;
for (i = 0; i < h; i++) {
const float *pRow = p;
for (j = 0; j < w; j++, pRow += 4) {
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]);
r >>= 4;
g >>= 4;
b >>= 4;
a >>= 4;
*dst++ = (a << 12) | (r << 16) | (g << 4) | b;
}
p += src_stride;
}
}
/*** PIPE_FORMAT_R5G6B5_UNORM ***/
static void
@ -774,6 +801,10 @@ pipe_put_tile_rgba(struct pipe_context *pipe,
r5g5b5_put_tile_rgba((ushort *) packed, w, h, p, src_stride);
break;
case PIPE_FORMAT_R8G8B8A8_UNORM:
assert(0);
break;
case PIPE_FORMAT_A4R4G4B4_UNORM:
a4r4g4b4_put_tile_rgba((ushort *) packed, w, h, p, src_stride);
break;
case PIPE_FORMAT_L8_UNORM:
/*l8_put_tile_rgba((ubyte *) packed, w, h, p, src_stride);*/