fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2025-12-28 03:50:13 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

util/ra: Add [de]serialization support

Browse source 
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5019>
This commit is contained in:
Jason Ekstrand 2019-09-18 14:57:11 -05:00 • committed by Marge Bot
parent 38e68db778
commit 492d664be0
2 changed files with 69 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

63
src/util/register_allocate.c
View file

@ -73,6 +73,7 @@
#include <stdbool.h>
#include <stdlib.h>
#include "blob.h"
#include "ralloc.h"
#include "main/macros.h"
#include "util/bitset.h"
@ -421,6 +422,68 @@ ra_set_finalize(struct ra_regs *regs, unsigned int **q_values)
}
}
void
ra_set_serialize(const struct ra_regs *regs, struct blob *blob)
{
blob_write_uint32(blob, regs->count);
blob_write_uint32(blob, regs->class_count);
for (unsigned int r = 0; r < regs->count; r++) {
struct ra_reg *reg = &regs->regs[r];
blob_write_bytes(blob, reg->conflicts, BITSET_WORDS(regs->count) *
sizeof(BITSET_WORD));
assert(util_dynarray_num_elements(&reg->conflict_list, unsigned int) == 0);
}
for (unsigned int c = 0; c < regs->class_count; c++) {
struct ra_class *class = regs->classes[c];
blob_write_bytes(blob, class->regs, BITSET_WORDS(regs->count) *
sizeof(BITSET_WORD));
blob_write_uint32(blob, class->p);
blob_write_bytes(blob, class->q, regs->class_count * sizeof(*class->q));
}
blob_write_uint32(blob, regs->round_robin);
}
struct ra_regs *
ra_set_deserialize(void *mem_ctx, struct blob_reader *blob)
{
unsigned int reg_count = blob_read_uint32(blob);
unsigned int class_count = blob_read_uint32(blob);
struct ra_regs *regs = ra_alloc_reg_set(mem_ctx, reg_count, false);
assert(regs->count == reg_count);
for (unsigned int r = 0; r < reg_count; r++) {
struct ra_reg *reg = &regs->regs[r];
blob_copy_bytes(blob, reg->conflicts, BITSET_WORDS(reg_count) *
sizeof(BITSET_WORD));
}
assert(regs->classes == NULL);
regs->classes = ralloc_array(regs->regs, struct ra_class *, class_count);
regs->class_count = class_count;
for (unsigned int c = 0; c < class_count; c++) {
struct ra_class *class = rzalloc(regs, struct ra_class);
regs->classes[c] = class;
class->regs = ralloc_array(class, BITSET_WORD, BITSET_WORDS(reg_count));
blob_copy_bytes(blob, class->regs, BITSET_WORDS(reg_count) *
sizeof(BITSET_WORD));
class->p = blob_read_uint32(blob);
class->q = ralloc_array(regs->classes[c], unsigned int, class_count);
blob_copy_bytes(blob, class->q, class_count * sizeof(*class->q));
}
regs->round_robin = blob_read_uint32(blob);
return regs;
}
static void
ra_add_node_adjacency(struct ra_graph *g, unsigned int n1, unsigned int n2)
{

6
src/util/register_allocate.h
View file

@ -39,6 +39,9 @@ extern "C" {
struct ra_class;
struct ra_regs;
struct blob;
struct blob_reader;
/* @{
* Register set setup.
*
@ -65,6 +68,9 @@ void ra_class_add_reg(struct ra_regs *regs, unsigned int c, unsigned int reg);
void ra_set_num_conflicts(struct ra_regs *regs, unsigned int class_a,
unsigned int class_b, unsigned int num_conflicts);
void ra_set_finalize(struct ra_regs *regs, unsigned int **conflicts);
void ra_set_serialize(const struct ra_regs *regs, struct blob *blob);
struct ra_regs *ra_set_deserialize(void *mem_ctx, struct blob_reader *blob);
/** @} */
/** @{ Interference graph setup.