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authorYounes Manton <younes.m@gmail.com>2008-08-02 19:37:16 +0200
committerStephane Marchesin <marchesin@icps.u-strasbg.fr>2008-08-02 19:37:16 +0200
commit4a8b908a46375ea2543a81bdd8d5b313d807f140 (patch)
tree8f6ef7d057b6c4f63016e2cdb0f40cc848489058 /src/gallium/auxiliary/util
parentab945fc38c81adc7e033c544213ebb929edbe1f8 (diff)
softpipe: support PIPE_FORMAT_R16_SNORM.
Diffstat (limited to 'src/gallium/auxiliary/util')
-rw-r--r--src/gallium/auxiliary/util/p_tile.c46
1 files changed, 46 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/util/p_tile.c b/src/gallium/auxiliary/util/p_tile.c
index 1bf0d72733..2b6db43bee 100644
--- a/src/gallium/auxiliary/util/p_tile.c
+++ b/src/gallium/auxiliary/util/p_tile.c
@@ -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;