diff options
Diffstat (limited to 'src/gallium/auxiliary/util/u_tile.c')
-rw-r--r-- | src/gallium/auxiliary/util/u_tile.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/util/u_tile.c b/src/gallium/auxiliary/util/u_tile.c index e445895efc..82e44192aa 100644 --- a/src/gallium/auxiliary/util/u_tile.c +++ b/src/gallium/auxiliary/util/u_tile.c @@ -1275,6 +1275,69 @@ pipe_get_tile_rgba(struct pipe_context *pipe, void +pipe_get_tile_swizzle(struct pipe_context *pipe, + struct pipe_transfer *pt, + uint x, + uint y, + uint w, + uint h, + uint swizzle_r, + 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]; + + 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(pipe, 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 && + swizzle_b == PIPE_SWIZZLE_BLUE && + swizzle_a == PIPE_SWIZZLE_ALPHA) { + /* no-op, skip */ + return; + } + + rgba01[PIPE_SWIZZLE_ZERO] = 0.0f; + rgba01[PIPE_SWIZZLE_ONE] = 1.0f; + + for (i = 0; i < w * h; i++) { + rgba01[PIPE_SWIZZLE_RED] = p[0]; + rgba01[PIPE_SWIZZLE_GREEN] = p[1]; + rgba01[PIPE_SWIZZLE_BLUE] = p[2]; + rgba01[PIPE_SWIZZLE_ALPHA] = p[3]; + + *p++ = rgba01[swizzle_r]; + *p++ = rgba01[swizzle_g]; + *p++ = rgba01[swizzle_b]; + *p++ = rgba01[swizzle_a]; + } +} + + +void pipe_put_tile_rgba(struct pipe_context *pipe, struct pipe_transfer *pt, uint x, uint y, uint w, uint h, |