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i965: Initialize compaction tables once per process.

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Reviewed-by: Jason Ekstrand <jason.ekstrand@intel.com>
This commit is contained in:
Matt Turner
2014-11-21 18:04:51 -08:00
parent 9db278d0e2
commit 82811ff176
1 changed files with 5 additions and 0 deletions
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src/mesa/drivers/dri/i965/brw_eu_compact.c
+5
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@@ -75,6 +75,7 @@
#include "brw_context.h"
#include "brw_eu.h"
#include "intel_asm_annotation.h"
#include "util/u_atomic.h" /* for p_atomic_cmpxchg */
static const uint32_t g45_control_index_table[32] = {
0b00000000000000000,
@@ -1247,6 +1248,10 @@ update_gen4_jump_count(struct brw_context *brw, brw_inst *insn,
void
brw_init_compaction_tables(struct brw_context *brw)
{
static bool initialized;
if (initialized || p_atomic_cmpxchg(&initialized, false, true) != false)
return;
assert(g45_control_index_table[ARRAY_SIZE(g45_control_index_table) - 1] != 0);
assert(g45_datatype_table[ARRAY_SIZE(g45_datatype_table) - 1] != 0);
assert(g45_subreg_table[ARRAY_SIZE(g45_subreg_table) - 1] != 0);