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#ifndef SNA_DAMAGE_H
#define SNA_DAMAGE_H
#include <regionstr.h>
#include <list.h>
#include "compiler.h"
struct sna_damage {
BoxRec extents;
pixman_region16_t region;
enum sna_damage_mode {
DAMAGE_ADD = 0,
DAMAGE_SUBTRACT,
DAMAGE_ALL,
} mode;
int remain, dirty;
BoxPtr box;
struct {
struct list list;
int size;
BoxRec box[8];
} embedded_box;
};
fastcall struct sna_damage *_sna_damage_add(struct sna_damage *damage,
RegionPtr region);
static inline void sna_damage_add(struct sna_damage **damage,
RegionPtr region)
{
*damage = _sna_damage_add(*damage, region);
}
fastcall struct sna_damage *_sna_damage_add_box(struct sna_damage *damage,
const BoxRec *box);
static inline void sna_damage_add_box(struct sna_damage **damage,
const BoxRec *box)
{
*damage = _sna_damage_add_box(*damage, box);
}
struct sna_damage *_sna_damage_add_boxes(struct sna_damage *damage,
const BoxRec *box, int n,
int16_t dx, int16_t dy);
static inline void sna_damage_add_boxes(struct sna_damage **damage,
const BoxRec *box, int n,
int16_t dx, int16_t dy)
{
*damage = _sna_damage_add_boxes(*damage, box, n, dx, dy);
}
struct sna_damage *_sna_damage_add_rectangles(struct sna_damage *damage,
const xRectangle *r, int n,
int16_t dx, int16_t dy);
static inline void sna_damage_add_rectangles(struct sna_damage **damage,
const xRectangle *r, int n,
int16_t dx, int16_t dy)
{
if (damage)
*damage = _sna_damage_add_rectangles(*damage, r, n, dx, dy);
}
struct sna_damage *_sna_damage_add_points(struct sna_damage *damage,
const DDXPointRec *p, int n,
int16_t dx, int16_t dy);
static inline void sna_damage_add_points(struct sna_damage **damage,
const DDXPointRec *p, int n,
int16_t dx, int16_t dy)
{
if (damage)
*damage = _sna_damage_add_points(*damage, p, n, dx, dy);
}
struct sna_damage *_sna_damage_is_all(struct sna_damage *damage,
int width, int height);
static inline bool sna_damage_is_all(struct sna_damage **damage,
int width, int height)
{
if (*damage == NULL)
return false;
switch ((*damage)->mode) {
case DAMAGE_ALL:
return true;
case DAMAGE_SUBTRACT:
return false;
default:
case DAMAGE_ADD:
if ((*damage)->extents.x2 < width || (*damage)->extents.x1 > 0)
return false;
if ((*damage)->extents.y2 < height || (*damage)->extents.y1 > 0)
return false;
*damage = _sna_damage_is_all(*damage, width, height);
return (*damage)->mode == DAMAGE_ALL;
}
}
struct sna_damage *_sna_damage_all(struct sna_damage *damage,
int width, int height);
static inline void sna_damage_all(struct sna_damage **damage,
int width, int height)
{
*damage = _sna_damage_all(*damage, width, height);
}
fastcall struct sna_damage *_sna_damage_subtract(struct sna_damage *damage,
RegionPtr region);
static inline void sna_damage_subtract(struct sna_damage **damage,
RegionPtr region)
{
*damage = _sna_damage_subtract(*damage, region);
}
fastcall struct sna_damage *_sna_damage_subtract_box(struct sna_damage *damage,
const BoxRec *box);
static inline void sna_damage_subtract_box(struct sna_damage **damage,
const BoxRec *box)
{
*damage = _sna_damage_subtract_box(*damage, box);
}
Bool sna_damage_intersect(struct sna_damage *damage,
RegionPtr region, RegionPtr result);
int sna_damage_contains_box(struct sna_damage *damage,
const BoxRec *box);
bool sna_damage_contains_box__no_reduce(const struct sna_damage *damage,
const BoxRec *box);
int sna_damage_get_boxes(struct sna_damage *damage, BoxPtr *boxes);
struct sna_damage *_sna_damage_reduce(struct sna_damage *damage);
static inline void sna_damage_reduce(struct sna_damage **damage)
{
if (*damage == NULL)
return;
if ((*damage)->dirty)
*damage = _sna_damage_reduce(*damage);
}
static inline void sna_damage_reduce_all(struct sna_damage **damage,
int width, int height)
{
DBG(("%s(width=%d, height=%d)\n", __FUNCTION__, width, height));
if (*damage == NULL)
return;
if ((*damage)->mode == DAMAGE_ADD &&
(*damage)->extents.x1 <= 0 &&
(*damage)->extents.y1 <= 0 &&
(*damage)->extents.x2 >= width &&
(*damage)->extents.y2 >= height) {
if ((*damage)->dirty &&
(*damage = _sna_damage_reduce(*damage)) == NULL)
return;
if ((*damage)->region.data == NULL)
*damage = _sna_damage_all(*damage, width, height);
}
}
void __sna_damage_destroy(struct sna_damage *damage);
static inline void sna_damage_destroy(struct sna_damage **damage)
{
if (*damage == NULL)
return;
__sna_damage_destroy(*damage);
*damage = NULL;
}
#if DEBUG_DAMAGE && TEST_DAMAGE
void sna_damage_selftest(void);
#else
static inline void sna_damage_selftest(void) {}
#endif
#endif /* SNA_DAMAGE_H */
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