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softpipe: support PIPE_FORMAT_R16_SNORM.

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This commit is contained in:
Younes Manton
2008-08-02 19:37:16 +02:00
committed by Stephane Marchesin
parent ab945fc38c
commit 4a8b908a46
1 changed files with 46 additions and 0 deletions
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src/gallium/auxiliary/util/p_tile.c
+46
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@@ -441,6 +441,46 @@ a8_get_tile_rgba(ubyte *src,
}
}
/*** PIPE_FORMAT_R16_SNORM ***/
static void
r16_get_tile_rgba(short *src,
unsigned w, unsigned h,
float *p,
unsigned dst_stride)
{
unsigned i, j;
for (i = 0; i < h; i++) {
float *pRow = p;
for (j = 0; j < w; j++, src++, pRow += 4) {
pRow[0] = SHORT_TO_FLOAT(src[0]);
pRow[1] =
pRow[2] = 0.0;
pRow[3] = 1.0;
}
p += dst_stride;
}
}
static void
r16_put_tile_rgba(short *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++, dst++, pRow += 4) {
UNCLAMPED_FLOAT_TO_SHORT(dst[0], pRow[0]);
}
p += src_stride;
}
}
/*** PIPE_FORMAT_R16G16B16A16_SNORM ***/
@@ -742,6 +782,9 @@ pipe_tile_raw_to_rgba(enum pipe_format format,
case PIPE_FORMAT_A8L8_UNORM:
a8_l8_get_tile_rgba((ushort *) src, w, h, dst, dst_stride);
break;
case PIPE_FORMAT_R16_SNORM:
r16_get_tile_rgba((short *) src, w, h, dst, dst_stride);
break;
case PIPE_FORMAT_R16G16B16A16_SNORM:
r16g16b16a16_get_tile_rgba((short *) src, w, h, dst, dst_stride);
break;
@@ -847,6 +890,9 @@ pipe_put_tile_rgba(struct pipe_surface *ps,
case PIPE_FORMAT_A8L8_UNORM:
/*a8_l8_put_tile_rgba((ushort *) packed, w, h, p, src_stride);*/
break;
case PIPE_FORMAT_R16_SNORM:
/*r16_put_tile_rgba((short *) packed, w, h, p, src_stride);*/
break;
case PIPE_FORMAT_R16G16B16A16_SNORM:
r16g16b16a16_put_tile_rgba((short *) packed, w, h, p, src_stride);
break;