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| author | Marek Olšák <maraeo@gmail.com> | 2011-03-01 01:46:10 +0100 |
|---|---|---|
| committer | Marek Olšák <maraeo@gmail.com> | 2011-03-01 01:46:27 +0100 |
| commit | 790c73140939fb60c1b702215bb6afa09f401a8e (patch) | |
| tree | 09f24392a994aa33edb1e6d5360a1e270c9424bf /src/gallium/drivers/r300/r300_blit.c | |
| parent | 4609be44106274fa88cfdf935257dfbe51cb6039 (diff) | |
| download | external_mesa3d-790c73140939fb60c1b702215bb6afa09f401a8e.zip external_mesa3d-790c73140939fb60c1b702215bb6afa09f401a8e.tar.gz external_mesa3d-790c73140939fb60c1b702215bb6afa09f401a8e.tar.bz2 | |
r300g: set the correct HiZ clear value
Diffstat (limited to 'src/gallium/drivers/r300/r300_blit.c')
| -rw-r--r-- | src/gallium/drivers/r300/r300_blit.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/gallium/drivers/r300/r300_blit.c b/src/gallium/drivers/r300/r300_blit.c index fd8ef44..8c13ac5 100644 --- a/src/gallium/drivers/r300/r300_blit.c +++ b/src/gallium/drivers/r300/r300_blit.c @@ -141,6 +141,13 @@ static uint32_t r300_depth_clear_value(enum pipe_format format, } } +static uint32_t r300_hiz_clear_value(double depth) +{ + uint32_t r = (uint32_t)(CLAMP(depth, 0, 1) * 255.5); + assert(r <= 255); + return r | (r << 8) | (r << 16) | (r << 24); +} + /* Clear currently bound buffers. */ static void r300_clear(struct pipe_context* pipe, unsigned buffers, @@ -214,6 +221,7 @@ static void r300_clear(struct pipe_context* pipe, } if (r300_hiz_clear_allowed(r300)) { + r300->hiz_clear_value = r300_hiz_clear_value(depth); r300_mark_atom_dirty(r300, &r300->hiz_clear); } } |