diff options
| author | Marek Olšák <maraeo@gmail.com> | 2010-08-19 22:18:40 +0200 |
|---|---|---|
| committer | Marek Olšák <maraeo@gmail.com> | 2010-08-19 23:30:26 +0200 |
| commit | 06991d87bedaaba5dde65027caa6fb49325b754e (patch) | |
| tree | d55a1bee2406de0ffa5b772052b3325431f2d2d2 /src/gallium/drivers/r300 | |
| parent | 076c53879b90855ecf38602584f22e4ab6db7569 (diff) | |
r300g: do not use fastfill with 16-bit zbuffers
To my knowledge, there is no way to flush zmask and thus write the clear
value.
This fixes zbuffer reads, among other things.
Diffstat (limited to 'src/gallium/drivers/r300')
| -rw-r--r-- | src/gallium/drivers/r300/r300_hyperz.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/gallium/drivers/r300/r300_hyperz.c b/src/gallium/drivers/r300/r300_hyperz.c index a471b7353b..b2526d6e41 100644 --- a/src/gallium/drivers/r300/r300_hyperz.c +++ b/src/gallium/drivers/r300/r300_hyperz.c @@ -357,6 +357,10 @@ void r300_zmask_alloc_block(struct r300_context *r300, struct r300_surface *surf tex->desc.b.b.target != PIPE_TEXTURE_2D) return; + /* Cannot flush zmask of 16-bit zbuffers. */ + if (util_format_get_blocksizebits(tex->desc.b.b.format) == 16) + return; + if (tex->zmask_mem[level]) return; |