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#include "ecore_drm2_private.h"
static int _ecore_drm2_init_count = 0;
static void *drm_lib = NULL;
int _ecore_drm2_log_dom = -1;
int (*sym_drmHandleEvent)(int fd, drmEventContext *evctx) = NULL;
void *(*sym_drmGetVersion)(int fd) = NULL;
void (*sym_drmFreeVersion)(void *drmver) = NULL;
void *(*sym_drmModeGetProperty)(int fd, uint32_t propertyId) = NULL;
void (*sym_drmModeFreeProperty)(drmModePropertyPtr ptr) = NULL;
void *(*sym_drmModeGetPropertyBlob)(int fd, uint32_t blob_id) = NULL;
void (*sym_drmModeFreePropertyBlob)(drmModePropertyBlobPtr ptr) = NULL;
int (*sym_drmModeDestroyPropertyBlob)(int fd, uint32_t id) = NULL;
int (*sym_drmIoctl)(int fd, unsigned long request, void *arg) = NULL;
void *(*sym_drmModeObjectGetProperties)(int fd, uint32_t object_id, uint32_t object_type) = NULL;
void (*sym_drmModeFreeObjectProperties)(drmModeObjectPropertiesPtr ptr) = NULL;
int (*sym_drmModeCreatePropertyBlob)(int fd, const void *data, size_t size, uint32_t *id) = NULL;
# ifdef HAVE_ATOMIC_DRM
void *(*sym_drmModeAtomicAlloc)(void) = NULL;
void (*sym_drmModeAtomicFree)(drmModeAtomicReqPtr req) = NULL;
int (*sym_drmModeAtomicAddProperty)(drmModeAtomicReqPtr req, uint32_t object_id, uint32_t property_id, uint64_t value) = NULL;
int (*sym_drmModeAtomicCommit)(int fd, drmModeAtomicReqPtr req, uint32_t flags, void *user_data) = NULL;
void (*sym_drmModeAtomicSetCursor)(drmModeAtomicReqPtr req, int cursor) = NULL;
int (*sym_drmModeAtomicMerge)(drmModeAtomicReqPtr base, drmModeAtomicReqPtr augment);
# endif
void *(*sym_drmModeGetEncoder)(int fd, uint32_t encoder_id) = NULL;
void (*sym_drmModeFreeEncoder)(drmModeEncoderPtr ptr) = NULL;
void *(*sym_drmModeGetCrtc)(int fd, uint32_t crtcId) = NULL;
void (*sym_drmModeFreeCrtc)(drmModeCrtcPtr ptr) = NULL;
int (*sym_drmModeSetCrtc)(int fd, uint32_t crtcId, uint32_t bufferId, uint32_t x, uint32_t y, uint32_t *connectors, int count, drmModeModeInfoPtr mode) = NULL;
void *(*sym_drmModeGetResources)(int fd) = NULL;
void (*sym_drmModeFreeResources)(drmModeResPtr ptr) = NULL;
void *(*sym_drmModeGetConnector)(int fd, uint32_t connectorId) = NULL;
void (*sym_drmModeFreeConnector)(drmModeConnectorPtr ptr) = NULL;
int (*sym_drmModeConnectorSetProperty)(int fd, uint32_t connector_id, uint32_t property_id, uint64_t value) = NULL;
int (*sym_drmGetCap)(int fd, uint64_t capability, uint64_t *value) = NULL;
int (*sym_drmSetClientCap)(int fd, uint64_t capability, uint64_t value) = NULL;
void *(*sym_drmModeGetPlaneResources)(int fd) = NULL;
void (*sym_drmModeFreePlaneResources)(drmModePlaneResPtr ptr) = NULL;
void *(*sym_drmModeGetPlane)(int fd, uint32_t plane_id) = NULL;
void (*sym_drmModeFreePlane)(drmModePlanePtr ptr) = NULL;
int (*sym_drmModeAddFB)(int fd, uint32_t width, uint32_t height, uint8_t depth, uint8_t bpp, uint32_t pitch, uint32_t bo_handle, uint32_t *buf_id) = NULL;
int (*sym_drmModeAddFB2)(int fd, uint32_t width, uint32_t height, uint32_t pixel_format, uint32_t bo_handles[4], uint32_t pitches[4], uint32_t offsets[4], uint32_t *buf_id, uint32_t flags) = NULL;
int (*sym_drmModeRmFB)(int fd, uint32_t bufferId) = NULL;
int (*sym_drmModePageFlip)(int fd, uint32_t crtc_id, uint32_t fb_id, uint32_t flags, void *user_data) = NULL;
int (*sym_drmModeDirtyFB)(int fd, uint32_t bufferId, drmModeClipPtr clips, uint32_t num_clips) = NULL;
int (*sym_drmModeCrtcSetGamma)(int fd, uint32_t crtc_id, uint32_t size, uint16_t *red, uint16_t *green, uint16_t *blue) = NULL;
int (*sym_drmPrimeFDToHandle)(int fd, int prime_fd, uint32_t *handle) = NULL;
EAPI int ECORE_DRM2_EVENT_OUTPUT_CHANGED = -1;
EAPI int ECORE_DRM2_EVENT_ACTIVATE = -1;
static Eina_Bool
_ecore_drm2_link(void)
{
int i, fail;
const char *drm_libs[] =
{
"libdrm.so.2",
"libdrm.so.1",
"libdrm.so.0",
"libdrm.so",
NULL,
};
#define SYM(lib, xx) \
do { \
sym_ ## xx = dlsym(lib, #xx); \
if (!(sym_ ## xx)) { \
fail = 1; \
} \
} while (0)
if (drm_lib) return EINA_TRUE;
for (i = 0; drm_libs[i]; i++)
{
drm_lib = dlopen(drm_libs[i], RTLD_LOCAL | RTLD_LAZY);
if (!drm_lib) continue;
fail = 0;
SYM(drm_lib, drmIoctl);
/* SYM(drm_lib, drmClose); */
/* SYM(drm_lib, drmWaitVBlank); */
SYM(drm_lib, drmHandleEvent);
SYM(drm_lib, drmGetVersion);
SYM(drm_lib, drmFreeVersion);
SYM(drm_lib, drmModeGetProperty);
SYM(drm_lib, drmModeFreeProperty);
SYM(drm_lib, drmModeGetPropertyBlob);
SYM(drm_lib, drmModeFreePropertyBlob);
SYM(drm_lib, drmModeDestroyPropertyBlob);
SYM(drm_lib, drmModeObjectGetProperties);
SYM(drm_lib, drmModeFreeObjectProperties);
SYM(drm_lib, drmModeCreatePropertyBlob);
#ifdef HAVE_ATOMIC_DRM
SYM(drm_lib, drmModeAtomicAlloc);
SYM(drm_lib, drmModeAtomicFree);
SYM(drm_lib, drmModeAtomicAddProperty);
SYM(drm_lib, drmModeAtomicCommit);
SYM(drm_lib, drmModeAtomicSetCursor);
SYM(drm_lib, drmModeAtomicMerge);
#endif
SYM(drm_lib, drmModeGetEncoder);
SYM(drm_lib, drmModeFreeEncoder);
SYM(drm_lib, drmModeGetCrtc);
SYM(drm_lib, drmModeFreeCrtc);
SYM(drm_lib, drmModeSetCrtc);
SYM(drm_lib, drmModeGetResources);
SYM(drm_lib, drmModeFreeResources);
SYM(drm_lib, drmModeGetConnector);
SYM(drm_lib, drmModeFreeConnector);
SYM(drm_lib, drmModeConnectorSetProperty);
SYM(drm_lib, drmGetCap);
SYM(drm_lib, drmSetClientCap);
SYM(drm_lib, drmModeGetPlaneResources);
SYM(drm_lib, drmModeFreePlaneResources);
SYM(drm_lib, drmModeGetPlane);
SYM(drm_lib, drmModeFreePlane);
SYM(drm_lib, drmModeAddFB);
SYM(drm_lib, drmModeAddFB2);
SYM(drm_lib, drmModeRmFB);
SYM(drm_lib, drmModePageFlip);
SYM(drm_lib, drmModeDirtyFB);
SYM(drm_lib, drmModeCrtcSetGamma);
SYM(drm_lib, drmPrimeFDToHandle);
if (fail)
{
dlclose(drm_lib);
drm_lib = NULL;
}
else
break;
}
if (!drm_lib) return EINA_FALSE;
return EINA_TRUE;
}
EAPI int
ecore_drm2_init(void)
{
if (++_ecore_drm2_init_count != 1) return _ecore_drm2_init_count;
if (!eina_init()) goto eina_err;
if (!ecore_init())
{
EINA_LOG_ERR("Could not initialize Ecore library");
goto ecore_err;
}
if (!eeze_init())
{
EINA_LOG_ERR("Could not initialize Eeze library");
goto eeze_err;
}
if (!elput_init())
{
EINA_LOG_ERR("Could not initialize Elput library");
goto elput_err;
}
_ecore_drm2_log_dom =
eina_log_domain_register("ecore_drm2", ECORE_DRM2_DEFAULT_LOG_COLOR);
if (!_ecore_drm2_log_dom)
{
EINA_LOG_ERR("Could not create logging domain for Ecore_Drm2");
goto log_err;
}
ECORE_DRM2_EVENT_OUTPUT_CHANGED = ecore_event_type_new();
ECORE_DRM2_EVENT_ACTIVATE = ecore_event_type_new();
if (!_ecore_drm2_link()) goto link_err;
return _ecore_drm2_init_count;
link_err:
eina_log_domain_unregister(_ecore_drm2_log_dom);
_ecore_drm2_log_dom = -1;
log_err:
elput_shutdown();
elput_err:
eeze_shutdown();
eeze_err:
ecore_shutdown();
ecore_err:
eina_shutdown();
eina_err:
return --_ecore_drm2_init_count;
}
EAPI int
ecore_drm2_shutdown(void)
{
if (_ecore_drm2_init_count < 1)
{
ERR("Ecore_Drm2 shutdown called without init");
return 0;
}
if (--_ecore_drm2_init_count != 0) return _ecore_drm2_init_count;
ECORE_DRM2_EVENT_OUTPUT_CHANGED = -1;
ECORE_DRM2_EVENT_ACTIVATE = -1;
eina_log_domain_unregister(_ecore_drm2_log_dom);
_ecore_drm2_log_dom = -1;
elput_shutdown();
eeze_shutdown();
ecore_shutdown();
eina_shutdown();
return _ecore_drm2_init_count;
}
EAPI int
ecore_drm2_event_handle(int fd, Ecore_Drm2_Context *drmctx)
{
drmEventContext ctx;
EINA_SAFETY_ON_TRUE_RETURN_VAL((fd < 0), -1);
memset(&ctx, 0, sizeof(ctx));
ctx.version = 2;
ctx.page_flip_handler = drmctx->page_flip_handler;
ctx.vblank_handler = drmctx->vblank_handler;
return sym_drmHandleEvent(fd, &ctx);
}
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