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Use dri card matching current egl context

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dec05eba
2024-03-10 22:51:41 +01:00
parent 1690381bb2
commit 877465a702
6 changed files with 77 additions and 46 deletions
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84
src/utils.c
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@@ -370,47 +370,59 @@ bool gl_get_gpu_info(gsr_egl *egl, gsr_gpu_info *info) {
return supported;
}
bool gsr_get_valid_card_path(char *output) {
for(int i = 0; i < 10; ++i) {
drmVersion *ver = NULL;
drmModePlaneResPtr planes = NULL;
bool found_screen_card = false;
static bool try_card_has_valid_plane(const char *card_path) {
drmVersion *ver = NULL;
drmModePlaneResPtr planes = NULL;
bool found_screen_card = false;
sprintf(output, DRM_DEV_NAME, DRM_DIR_NAME, i);
int fd = open(output, O_RDONLY);
if(fd == -1)
int fd = open(card_path, O_RDONLY);
if(fd == -1)
return false;
ver = drmGetVersion(fd);
if(!ver || strstr(ver->name, "nouveau"))
goto next;
drmSetClientCap(fd, DRM_CLIENT_CAP_UNIVERSAL_PLANES, 1);
planes = drmModeGetPlaneResources(fd);
if(!planes)
goto next;
for(uint32_t j = 0; j < planes->count_planes; ++j) {
drmModePlanePtr plane = drmModeGetPlane(fd, planes->planes[j]);
if(!plane)
continue;
ver = drmGetVersion(fd);
if(!ver || strstr(ver->name, "nouveau"))
goto next;
if(plane->fb_id)
found_screen_card = true;
drmSetClientCap(fd, DRM_CLIENT_CAP_UNIVERSAL_PLANES, 1);
planes = drmModeGetPlaneResources(fd);
if(!planes)
goto next;
for(uint32_t j = 0; j < planes->count_planes; ++j) {
drmModePlanePtr plane = drmModeGetPlane(fd, planes->planes[j]);
if(!plane)
continue;
if(plane->fb_id)
found_screen_card = true;
drmModeFreePlane(plane);
if(found_screen_card)
break;
}
next:
if(planes)
drmModeFreePlaneResources(planes);
if(ver)
drmFreeVersion(ver);
close(fd);
drmModeFreePlane(plane);
if(found_screen_card)
break;
}
next:
if(planes)
drmModeFreePlaneResources(planes);
if(ver)
drmFreeVersion(ver);
close(fd);
if(found_screen_card)
return true;
return false;
}
bool gsr_get_valid_card_path(gsr_egl *egl, char *output) {
if(egl->dri_card_path) {
strncpy(output, egl->dri_card_path, 128);
return try_card_has_valid_plane(output);
}
for(int i = 0; i < 10; ++i) {
snprintf(output, 128, DRM_DEV_NAME, DRM_DIR_NAME, i);
if(try_card_has_valid_plane(output))
return true;
}
return false;