fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-01-06 08:50:09 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

winsys/drisw: implement displaytarget_create_mapped

Browse source 
Reviewed-by: Dave Airlie <airlied@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/27805>
This commit is contained in:
Mike Blumenkrantz 2022-05-04 10:53:40 -04:00 • committed by Marge Bot
parent 73d75971ab
commit 17abe3ecbd
1 changed files with 46 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

47
src/gallium/winsys/sw/dri/dri_sw_winsys.c
View file

@ -61,6 +61,8 @@ struct dri_sw_displaytarget
void *data;
void *mapped;
const void *front_private;
size_t size;
bool unbacked;
};
struct dri_sw_winsys
@ -141,6 +143,7 @@ dri_sw_displaytarget_create(struct sw_winsys *winsys,
nblocksy = util_format_get_nblocksy(format, height);
size = dri_sw_dt->stride * nblocksy;
dri_sw_dt->size = size;
dri_sw_dt->shmid = -1;
@ -164,13 +167,49 @@ no_dt:
return NULL;
}
static struct sw_displaytarget *
dri_sw_displaytarget_create_mapped(struct sw_winsys *winsys,
unsigned tex_usage,
enum pipe_format format,
unsigned width, unsigned height,
unsigned stride,
void *data)
{
UNUSED struct dri_sw_winsys *ws = dri_sw_winsys(winsys);
struct dri_sw_displaytarget *dri_sw_dt;
unsigned nblocksy, size;
dri_sw_dt = CALLOC_STRUCT(dri_sw_displaytarget);
if(!dri_sw_dt)
return NULL;
dri_sw_dt->format = format;
dri_sw_dt->width = width;
dri_sw_dt->height = height;
dri_sw_dt->stride = stride;
nblocksy = util_format_get_nblocksy(format, height);
size = dri_sw_dt->stride * nblocksy;
dri_sw_dt->size = size;
dri_sw_dt->shmid = -1;
dri_sw_dt->unbacked = true;
dri_sw_dt->data = data;
dri_sw_dt->mapped = data;
return (struct sw_displaytarget *)dri_sw_dt;
}
static void
dri_sw_displaytarget_destroy(struct sw_winsys *ws,
struct sw_displaytarget *dt)
{
struct dri_sw_displaytarget *dri_sw_dt = dri_sw_displaytarget(dt);
if (dri_sw_dt->shmid >= 0) {
if (dri_sw_dt->unbacked) {}
else if (dri_sw_dt->shmid >= 0) {
#ifdef HAVE_SYS_SHM_H
shmdt(dri_sw_dt->data);
shmctl(dri_sw_dt->shmid, IPC_RMID, NULL);
@ -188,6 +227,8 @@ dri_sw_displaytarget_map(struct sw_winsys *ws,
unsigned flags)
{
struct dri_sw_displaytarget *dri_sw_dt = dri_sw_displaytarget(dt);
if (dri_sw_dt->unbacked)
return dri_sw_dt->mapped;
dri_sw_dt->mapped = dri_sw_dt->data;
if (dri_sw_dt->front_private && (flags & PIPE_MAP_READ)) {
@ -203,6 +244,9 @@ dri_sw_displaytarget_unmap(struct sw_winsys *ws,
struct sw_displaytarget *dt)
{
struct dri_sw_displaytarget *dri_sw_dt = dri_sw_displaytarget(dt);
if (dri_sw_dt->unbacked)
return;
if (dri_sw_dt->front_private && (dri_sw_dt->map_flags & PIPE_MAP_WRITE)) {
struct dri_sw_winsys *dri_sw_ws = dri_sw_winsys(ws);
dri_sw_ws->lf->put_image2((void *)dri_sw_dt->front_private, dri_sw_dt->data, 0, 0, dri_sw_dt->width, dri_sw_dt->height, dri_sw_dt->stride);
@ -307,6 +351,7 @@ dri_create_sw_winsys(const struct drisw_loader_funcs *lf)
/* screen texture functions */
ws->base.displaytarget_create = dri_sw_displaytarget_create;
ws->base.displaytarget_create_mapped = dri_sw_displaytarget_create_mapped;
ws->base.displaytarget_destroy = dri_sw_displaytarget_destroy;
ws->base.displaytarget_from_handle = dri_sw_displaytarget_from_handle;
ws->base.displaytarget_get_handle = dri_sw_displaytarget_get_handle;