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ir3: Add helper to determine when variant exceeds safe constlen

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This will help us not compile extra variants as often in the unlinked
case, which will become the only case on turnip.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/25076>
This commit is contained in:
Connor Abbott 2023-05-17 15:02:09 +02:00 • committed by Marge Bot
parent 252aee2634
commit a80f026073
1 changed files with 19 additions and 4 deletions
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23
src/freedreno/ir3/ir3_shader.h
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@ -910,10 +910,8 @@ ir3_const_state(const struct ir3_shader_variant *v)
return v->const_state;
}
/* Given a variant, calculate the maximum constlen it can have.
*/
static inline unsigned
ir3_max_const(const struct ir3_shader_variant *v)
_ir3_max_const(const struct ir3_shader_variant *v, bool safe_constlen)
{
const struct ir3_compiler *compiler = v->compiler;
bool shared_consts_enable = ir3_const_state(v)->shared_consts_enable;
@ -935,7 +933,7 @@ ir3_max_const(const struct ir3_shader_variant *v)
if ((v->type == MESA_SHADER_COMPUTE) ||
(v->type == MESA_SHADER_KERNEL)) {
return compiler->max_const_compute - shared_consts_size;
} else if (v->key.safe_constlen) {
} else if (safe_constlen) {
return compiler->max_const_safe - safe_shared_consts_size;
} else if (v->type == MESA_SHADER_FRAGMENT) {
return compiler->max_const_frag - shared_consts_size;
@ -944,6 +942,23 @@ ir3_max_const(const struct ir3_shader_variant *v)
}
}
/* Given a variant, calculate the maximum constlen it can have.
*/
static inline unsigned
ir3_max_const(const struct ir3_shader_variant *v)
{
return _ir3_max_const(v, v->key.safe_constlen);
}
/* Return true if a variant may need to be recompiled due to exceeding the
* maximum "safe" constlen.
*/
static inline bool
ir3_exceeds_safe_constlen(const struct ir3_shader_variant *v)
{
return v->constlen > _ir3_max_const(v, true);
}
void *ir3_shader_assemble(struct ir3_shader_variant *v);
struct ir3_shader_variant *
ir3_shader_create_variant(struct ir3_shader *shader,