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damage: Add asynchronous damage checking

shader-damage-experiments
Andri Yngvason 2020-03-28 13:05:59 +00:00
parent 7f5431d922
commit 52c18ffe23
2 changed files with 79 additions and 0 deletions
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5
include/damage.h
View File

@ -25,5 +25,10 @@ struct pixman_box16;
void damage_check(struct pixman_region16* damage, const uint8_t* buffer,
uint32_t width, uint32_t height, struct pixman_box16* hint);
int damage_check_async(uint8_t* buffer, uint32_t width, uint32_t height,
struct pixman_box16* hint,
void (*on_done)(struct pixman_region16*, void*),
void* userdata);
void damage_dump(FILE* stream, struct pixman_region16* damage,
uint32_t width, uint32_t height, uint32_t tile_size);

74
src/damage.c
View File

@ -24,9 +24,37 @@
#include <assert.h>
#include <sys/param.h>
#include <pixman.h>
#include <aml.h>
#define UDIV_UP(a, b) (((a) + (b) - 1) / (b))
struct damage_work {
void (*on_done)(struct pixman_region16*, void*);
void* userdata;
uint8_t* buffer;
uint32_t width, height;
struct pixman_region16 damage;
};
struct damage_work* damage_work_new(void)
{
struct damage_work* work = calloc(1, sizeof(*work));
if (!work)
return NULL;
pixman_region_init(&work->damage);
return work;
}
void damage_work_free(void* ud)
{
struct damage_work* work = ud;
free(work->buffer);
pixman_region_fini(&work->damage);
free(work);
}
bool damage_check_32_byte_block(const void* block)
{
const uint64_t* a = block;
@ -75,6 +103,52 @@ void damage_check(struct pixman_region16* damage, const uint8_t* buffer,
free(row_buffer);
}
static void do_damage_check(void* aml_obj)
{
struct damage_work* priv = aml_get_userdata(aml_obj);
damage_check(&priv->damage, priv->buffer, priv->width, priv->height, NULL);
}
static void on_damage_check_done(void* aml_obj)
{
struct damage_work* priv = aml_get_userdata(aml_obj);
priv->on_done(&priv->damage, priv->userdata);
}
// TODO: Use the hint
// TODO: Split rows between jobs
// XXX: This takes ownership of the damage buffer
int damage_check_async(uint8_t* buffer, uint32_t width, uint32_t height,
struct pixman_box16* hint,
void (*on_done)(struct pixman_region16*, void*),
void* userdata)
{
struct damage_work* priv = damage_work_new();
if (!priv)
return -1;
priv->buffer = buffer;
priv->width = width;
priv->height = height;
priv->on_done = on_done;
priv->userdata = userdata;
struct aml_work* work;
work = aml_work_new(do_damage_check, on_damage_check_done, priv,
damage_work_free);
if (!work)
goto oom;
int rc = aml_start(aml_get_default(), work);
aml_unref(work);
return rc;
oom:
damage_work_free(priv);
return -1;
}
void damage_dump(FILE* stream, struct pixman_region16* damage,
uint32_t width, uint32_t height, uint32_t tile_size)
{