gallium: pipe_get_tile_swizzle() accepts format parameter.

Enables casting of texture data.

2 files changed, 22 insertions, 1 deletions

diff --git a/src/gallium/auxiliary/util/u_tile.c b/src/gallium/auxiliary/util/u_tile.c
index 024d9577bc..8a36d4d9d1 100644
--- a/src/gallium/auxiliary/util/u_tile.c
+++ b/src/gallium/auxiliary/util/u_tile.c
@@ -1283,12 +1283,32 @@ pipe_get_tile_swizzle(struct pipe_transfer *pt,
                       uint swizzle_g,
                       uint swizzle_b,
                       uint swizzle_a,
+                      enum pipe_format format,
                       float *p)
 {
+   unsigned dst_stride = w * 4;
+   void *packed;
    uint i;
    float rgba01[6];
 
-   pipe_get_tile_rgba(pt, x, y, w, h, p);
+   if (pipe_clip_tile(x, y, &w, &h, pt)) {
+      return;
+   }
+
+   packed = MALLOC(util_format_get_nblocks(format, w, h) * util_format_get_blocksize(format));
+   if (!packed) {
+      return;
+   }
+
+   if (format == PIPE_FORMAT_UYVY || format == PIPE_FORMAT_YUYV) {
+      assert((x & 1) == 0);
+   }
+
+   pipe_get_tile_raw(pt, x, y, w, h, packed, 0);
+
+   pipe_tile_raw_to_rgba(format, packed, w, h, p, dst_stride);
+
+   FREE(packed);
 
    if (swizzle_r == PIPE_SWIZZLE_RED &&
        swizzle_g == PIPE_SWIZZLE_GREEN &&
diff --git a/src/gallium/auxiliary/util/u_tile.h b/src/gallium/auxiliary/util/u_tile.h
index b4706179a5..d665fdb1bb 100644
--- a/src/gallium/auxiliary/util/u_tile.h
+++ b/src/gallium/auxiliary/util/u_tile.h
@@ -81,6 +81,7 @@ pipe_get_tile_swizzle(struct pipe_transfer *pt,
                       uint swizzle_g,
                       uint swizzle_b,
                       uint swizzle_a,
+                      enum pipe_format format,
                       float *p);
 
 void