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dri3: Switch texmaps to a linked list, from DRC/TurboVNC

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Lauri Kasanen 2024-03-14 13:04:50 +02:00
parent bb2d903113
commit 766a55d08f
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1 changed files with 37 additions and 33 deletions
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64
unix/xserver/hw/vnc/dri3.c
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@ -55,9 +55,12 @@ typedef struct gbm_pixmap gbm_pixmap;
static DevPrivateKeyRec dri3_pixmap_private_key;
static struct timeval start;
#define MAX_TEXPIXMAPS 32
static PixmapPtr texpixmaps[MAX_TEXPIXMAPS];
static uint32_t num_texpixmaps;
struct texpixmap {
PixmapPtr pixmap;
struct xorg_list entry;
};
static struct xorg_list texpixmaps;
static CARD32 update_texpixmaps(OsTimerPtr timer, CARD32 time, void *arg);
static OsTimerPtr texpixmaptimer;
@ -110,25 +113,21 @@ static gbm_pixmap *gbm_pixmap_get(PixmapPtr pixmap)
static void add_texpixmap(PixmapPtr pix)
{
uint32_t i;
for (i = 0; i < MAX_TEXPIXMAPS; i++) {
if (texpixmaps[i] == pix)
struct texpixmap *ptr;
xorg_list_for_each_entry(ptr, &texpixmaps, entry) {
if (ptr->pixmap == pix)
return;
}
for (i = 0; i < MAX_TEXPIXMAPS; i++) {
if (!texpixmaps[i]) {
texpixmaps[i] = pix;
ptr = calloc(1, sizeof(struct texpixmap));
ptr->pixmap = pix;
pix->refcnt++;
num_texpixmaps++;
xorg_list_append(&ptr->entry, &texpixmaps);
// start if not running
if (!texpixmaptimer)
texpixmaptimer = TimerSet(NULL, 0, 16, update_texpixmaps, NULL);
return;
}
}
ErrorF("Max number of texpixmaps reached\n");
}
static PixmapPtr
@ -313,38 +312,41 @@ void xvnc_sync_dri3_textures(void)
// This is called both from the global damage report and the timer,
// to account for cases that do not use the damage report.
uint32_t i, y;
uint32_t y;
gbm_pixmap *gp;
uint8_t *src, *dst;
uint32_t srcstride, dststride;
void *opaque = NULL;
struct texpixmap *ptr, *tmpptr;
for (i = 0; i < MAX_TEXPIXMAPS; i++) {
if (!texpixmaps[i])
continue;
if (texpixmaps[i]->refcnt == 1) {
// We may not be running on hw if there's a compositor using PRESENT on llvmpipe
if (!driNode)
return;
xorg_list_for_each_entry_safe(ptr, tmpptr, &texpixmaps, entry) {
if (ptr->pixmap->refcnt == 1) {
// We are the only user left, delete it
texpixmaps[i]->drawable.pScreen->DestroyPixmap(texpixmaps[i]);
texpixmaps[i] = NULL;
num_texpixmaps--;
ptr->pixmap->drawable.pScreen->DestroyPixmap(ptr->pixmap);
xorg_list_del(&ptr->entry);
free(ptr);
continue;
}
gp = gbm_pixmap_get(texpixmaps[i]);
gp = gbm_pixmap_get(ptr->pixmap);
opaque = NULL;
dst = gbm_bo_map(gp->bo, 0, 0,
texpixmaps[i]->drawable.width,
texpixmaps[i]->drawable.height,
ptr->pixmap->drawable.width,
ptr->pixmap->drawable.height,
GBM_BO_TRANSFER_WRITE, &dststride, &opaque);
if (!dst) {
ErrorF("gbm map failed, errno %d\n", errno);
continue;
}
srcstride = texpixmaps[i]->devKind;
src = texpixmaps[i]->devPrivate.ptr;
srcstride = ptr->pixmap->devKind;
src = ptr->pixmap->devPrivate.ptr;
for (y = 0; y < texpixmaps[i]->drawable.height; y++) {
for (y = 0; y < ptr->pixmap->drawable.height; y++) {
memcpy(dst, src, srcstride);
dst += dststride;
src += srcstride;
@ -358,7 +360,7 @@ static CARD32 update_texpixmaps(OsTimerPtr timer, CARD32 time, void *arg)
{
xvnc_sync_dri3_textures();
if (!num_texpixmaps) {
if (xorg_list_is_empty(&texpixmaps)) {
TimerFree(texpixmaptimer);
texpixmaptimer = NULL;
return 0;
@ -387,6 +389,8 @@ void xvnc_init_dri3(void)
if (!priv.gbm)
FatalError("Failed to create gbm\n");
xorg_list_init(&texpixmaps);
if (!dri3_screen_init(screenInfo.screens[0], &xvnc_dri3_info))
FatalError("Couldn't init dri3\n");
}