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path: root/src/gallium/auxiliary/util/u_tile.c
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Diffstat (limited to 'src/gallium/auxiliary/util/u_tile.c')
-rw-r--r--src/gallium/auxiliary/util/u_tile.c84
1 files changed, 84 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/util/u_tile.c b/src/gallium/auxiliary/util/u_tile.c
index f7aa1403d0..44cadbfcdd 100644
--- a/src/gallium/auxiliary/util/u_tile.c
+++ b/src/gallium/auxiliary/util/u_tile.c
@@ -217,6 +217,81 @@ z24s8_get_tile_rgba(const unsigned *src,
}
}
+/*** PIPE_FORMAT_S8X24_USCALED ***/
+
+/**
+ * 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_USCALED ***/
+
+/**
+ * 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;
+ }
+}
/*** PIPE_FORMAT_Z32_FLOAT ***/
@@ -261,10 +336,19 @@ pipe_tile_raw_to_rgba(enum pipe_format format,
case PIPE_FORMAT_Z24X8_UNORM:
s8z24_get_tile_rgba((unsigned *) src, w, h, dst, dst_stride);
break;
+ case PIPE_FORMAT_S8_USCALED:
+ s8_get_tile_rgba((unsigned char *) src, w, h, dst, dst_stride);
+ break;
+ case PIPE_FORMAT_X24S8_USCALED:
+ s8x24_get_tile_rgba((unsigned *) src, w, h, dst, dst_stride);
+ break;
case PIPE_FORMAT_S8_USCALED_Z24_UNORM:
case PIPE_FORMAT_X8Z24_UNORM:
z24s8_get_tile_rgba((unsigned *) src, w, h, dst, dst_stride);
break;
+ case PIPE_FORMAT_S8X24_USCALED:
+ x24s8_get_tile_rgba((unsigned *) src, w, h, dst, dst_stride);
+ break;
case PIPE_FORMAT_Z32_FLOAT:
z32f_get_tile_rgba((float *) src, w, h, dst, dst_stride);
break;