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Fill the padding between entrys in the sampler key

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This struct is used to generate a hash, ignoring the entry boundaries.

Signed-off-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Pierre Willenbrock 2010-04-27 23:16:47 +02:00 • committed by Eric Anholt
parent d20fce057e
commit da498ef41e
1 changed files with 7 additions and 1 deletions
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8
src/mesa/drivers/dri/i965/brw_wm_sampler_state.c
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@ -228,6 +228,8 @@ brw_wm_sampler_populate_key(struct brw_context *brw,
{
GLcontext *ctx = &brw->intel.ctx;
int unit;
char *last_entry_end = ((char*)&key->sampler_count) +
sizeof(key->sampler_count);
key->sampler_count = 0;
@ -240,7 +242,9 @@ brw_wm_sampler_populate_key(struct brw_context *brw,
struct gl_texture_image *firstImage =
texObj->Image[0][intelObj->firstLevel];
memset(entry, 0, sizeof(*entry));
memset(last_entry_end, 0,
(char*)entry - last_entry_end + sizeof(*entry));
last_entry_end = ((char*)entry) + sizeof(*entry);
entry->tex_target = texObj->Target;
@ -280,6 +284,8 @@ brw_wm_sampler_populate_key(struct brw_context *brw,
key->sampler_count = unit + 1;
}
}
struct wm_sampler_entry *entry = &key->sampler[key->sampler_count];
memset(last_entry_end, 0, (char*)entry - last_entry_end);
}
/* All samplers must be uploaded in a single contiguous array, which