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r300: fix cycles calculation

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There might be more texture semaphores per begin tex block, just do the
cycles calculation on the first one.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24250>
This commit is contained in:
Pavel Ondračka 2023-07-20 10:40:09 +02:00 • committed by Marge Bot
parent 2007d67054
commit c9a0e91d4c
1 changed files with 5 additions and 3 deletions
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8
src/gallium/drivers/r300/compiler/radeon_compiler.c
View file

@ -358,7 +358,7 @@ void rc_get_stats(struct radeon_compiler *c, struct rc_program_stats *s)
struct rc_instruction * tmp;
memset(s, 0, sizeof(*s));
unsigned ip = 0;
unsigned last_begintex = 0;
int last_begintex = -1;
for(tmp = c->Program.Instructions.Next; tmp != &c->Program.Instructions;
tmp = tmp->Next, ip++){
@ -399,8 +399,10 @@ void rc_get_stats(struct radeon_compiler *c, struct rc_program_stats *s)
/* SemWait has effect only on R500, the more instructions we can put
* between the tex block and the first texture semaphore, the better.
*/
if (tmp->U.P.SemWait && c->is_r500)
s->num_cycles -= ip - last_begintex;
if (tmp->U.P.SemWait && c->is_r500 && last_begintex != -1) {
s->num_cycles -= MIN2(30, ip - last_begintex);
last_begintex = -1;
}
info = rc_get_opcode_info(tmp->U.P.RGB.Opcode);
}
if (info->IsFlowControl) {