+/*** PIPE_FORMAT_S8X24_UINT ***/
+
+/**
+ * Return S component as four uint32_t in [0..255]. Z part ignored.
+ */
+static void
+s8x24_get_tile_rgba(const unsigned *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++, pRow += 4) {
+ pRow[0] =
+ pRow[1] =
+ pRow[2] =
+ pRow[3] = (float)((*src++ >> 24) & 0xff);
+ }
+
+ p += dst_stride;
+ }
+}
+
+/*** PIPE_FORMAT_X24S8_UINT ***/
+
+/**
+ * Return S component as four uint32_t in [0..255]. Z part ignored.
+ */
+static void
+x24s8_get_tile_rgba(const unsigned *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++, pRow += 4) {
+ pRow[0] =
+ pRow[1] =
+ pRow[2] =
+ pRow[3] = (float)(*src++ & 0xff);
+ }
+ p += dst_stride;
+ }
+}
+
+
+/**
+ * Return S component as four uint32_t in [0..255]. Z part ignored.
+ */
+static void
+s8_get_tile_rgba(const unsigned char *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++, pRow += 4) {
+ pRow[0] =
+ pRow[1] =
+ pRow[2] =
+ pRow[3] = (float)(*src++ & 0xff);
+ }
+ p += dst_stride;
+ }
+}