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util: Use sizeof(void *) rather than 0 as the fallback cache line size

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Without this, llvmpipe ends up giving a zero size to all uncompressed textures
on non-x86 systems, since align() cannot handle a 0 alignment.

Reviewed-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Richard Sandiford <rsandifo@linux.vnet.ibm.com>
This commit is contained in:
Richard Sandiford 2013-06-05 15:38:27 +01:00 • committed by Adam Jackson
parent ba6cd796dd
commit 337f21bc35
1 changed files with 5 additions and 0 deletions
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5
src/gallium/auxiliary/util/u_cpu_detect.c
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@ -250,6 +250,11 @@ util_cpu_detect(void)
util_cpu_caps.nr_cpus = 1;
#endif
/* Make the fallback cacheline size nonzero so that it can be
* safely passed to align().
*/
util_cpu_caps.cacheline = sizeof(void *);
#if defined(PIPE_ARCH_X86) || defined(PIPE_ARCH_X86_64)
if (has_cpuid()) {
uint32_t regs[4];