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efl/src/modules/evas/engines/software_x11/evas_xlib_dri_image.c

610 lines
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#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "evas_common_private.h"
#include "evas_xlib_dri_image.h"
#include "../software_generic/evas_native_common.h"
# include <dlfcn.h> /* dlopen,dlclose,etc */
# include <sys/types.h>
# include <sys/stat.h>
# include <fcntl.h>
static Eina_Bool tried = EINA_FALSE;
////////////////////////////////////
//libdrm.so.2
static void *drm_lib = NULL;
typedef unsigned int drm_magic_t;
static int (*sym_drmGetMagic) (int fd, drm_magic_t *magic) = NULL;
////////////////////////////////////
// libtbm.so.1
#define TBM_DEVICE_CPU 1
#define TBM_OPTION_READ (1 << 0)
#define TBM_OPTION_WRITE (1 << 1)
static void *lib_tbm = NULL;
static tbm_bo (*sym_tbm_bo_import) (tbm_bufmgr bufmgr, unsigned int key) = NULL;
static tbm_bo_handle (*sym_tbm_bo_map) (tbm_bo bo, int device, int opt) = NULL;
static int (*sym_tbm_bo_unmap) (tbm_bo bo) = NULL;
static void (*sym_tbm_bo_unref) (tbm_bo bo) = NULL;
static tbm_bufmgr (*sym_tbm_bufmgr_init) (int fd) = NULL;
static void (*sym_tbm_bufmgr_deinit) (tbm_bufmgr bufmgr) = NULL;
// legacy compatibility
static void *(*sym_drm_slp_bo_map) (tbm_bo bo, int device, int opt) = NULL;
static int (*sym_drm_slp_bo_unmap) (tbm_bo bo, int device) = NULL;
static tbm_bufmgr (*sym_drm_slp_bufmgr_init) (int fd, void *arg) = NULL;
////////////////////////////////////
// libdri2.so.0
#define DRI2BufferFrontLeft 0
static void *dri_lib = NULL;
typedef unsigned long long CD64;
static DRI2Buffer *(*sym_DRI2GetBuffers) (Display *display, XID drawable, int *width, int *height, unsigned int *attachments, int count, int *outCount) = NULL;
static Bool (*sym_DRI2QueryExtension) (Display *display, int *eventBase, int *errorBase) = NULL;
static Bool (*sym_DRI2QueryVersion) (Display *display, int *major, int *minor) = NULL;
static Bool (*sym_DRI2Connect) (Display *display, XID window, char **driverName, char **deviceName) = NULL;
static Bool (*sym_DRI2Authenticate) (Display *display, XID window, unsigned int magic) = NULL;
static void (*sym_DRI2CreateDrawable) (Display *display, XID drawable) = NULL;
static void (*sym_DRI2DestroyDrawable) (Display *display, XID handle) = NULL;
////////////////////////////////////
// libXfixes.so.3
static void *xfixes_lib = NULL;
static Bool (*sym_XFixesQueryExtension) (Display *display, int *event_base_return, int *error_base_return) = NULL;
static Status (*sym_XFixesQueryVersion) (Display *display, int *major_version_return, int *minor_version_return) = NULL;
static XID (*sym_XFixesCreateRegion) (Display *display, XRectangle *rectangles, int nrectangles) = NULL;
static void (*sym_XFixesDestroyRegion) (Display *dpy, XID region) = NULL;
static int inits = 0;
static int xfixes_ev_base = 0, xfixes_err_base = 0;
static int xfixes_major = 0, xfixes_minor = 0;
static int dri2_ev_base = 0, dri2_err_base = 0;
static int dri2_major = 0, dri2_minor = 0;
static int drm_fd = -1;
static tbm_bufmgr bufmgr = NULL;
static int exim_debug = -1;
static Eina_Bool use_cache = EINA_TRUE;
static Eina_Bool slp_mode = EINA_FALSE;
static Eina_Bool
_drm_init(Display *disp, int scr)
{
char *drv_name = NULL, *dev_name = NULL;
drm_magic_t magic = 0;
if (xfixes_lib) return EINA_TRUE;
if ((tried) && (!xfixes_lib)) return EINA_FALSE;
if (tried) return EINA_FALSE;
tried = EINA_TRUE;
drm_lib = dlopen("libdrm.so.2", RTLD_NOW | RTLD_LOCAL);
if (!drm_lib)
{
ERR("Can't load libdrm.so.2");
goto err;
}
slp_mode = EINA_FALSE;
lib_tbm = dlopen("libtbm.so.1", RTLD_NOW | RTLD_LOCAL);
if (!lib_tbm)
{
ERR("Can't load libtbm.so.1");
lib_tbm = dlopen("libdrm_slp.so.1", RTLD_NOW | RTLD_LOCAL);
if (lib_tbm) slp_mode = EINA_TRUE;
else goto err;
}
dri_lib = dlopen("libdri2.so.0", RTLD_NOW | RTLD_LOCAL);
if (!dri_lib)
{
ERR("Can't load libdri2.so.0");
goto err;
}
xfixes_lib = dlopen("libXfixes.so.3", RTLD_NOW | RTLD_LOCAL);
if (!xfixes_lib)
{
ERR("Can't load libXfixes.so.3");
goto err;
}
#define SYM(l, x) \
do { sym_ ## x = dlsym(l, #x); \
if (!sym_ ## x) { \
ERR("Can't load symbol "#x); \
goto err; \
} \
} while (0)
SYM(drm_lib, drmGetMagic);
if (!slp_mode)
{
SYM(lib_tbm, tbm_bo_import);
SYM(lib_tbm, tbm_bo_map);
SYM(lib_tbm, tbm_bo_unmap);
SYM(lib_tbm, tbm_bo_unref);
SYM(lib_tbm, tbm_bufmgr_init);
SYM(lib_tbm, tbm_bufmgr_deinit);
}
else
{
// Looking up the legacy DRM SLP symbols. I don't believe this will
// ever happen, this code is here "just in case".
sym_tbm_bo_import = dlsym(lib_tbm, "drm_slp_bo_import");
sym_drm_slp_bo_map = dlsym(lib_tbm, "drm_slp_bo_map");
sym_drm_slp_bo_unmap = dlsym(lib_tbm, "drm_slp_bo_unmap");
sym_tbm_bo_unref = dlsym(lib_tbm, "drm_slp_bo_unref");
sym_drm_slp_bufmgr_init = dlsym(lib_tbm, "drm_slp_bufmgr_init");
sym_tbm_bufmgr_deinit = dlsym(lib_tbm, "drm_slp_bufmgr_destroy");
if (!sym_tbm_bo_import || !sym_drm_slp_bo_map || !sym_drm_slp_bo_unmap ||
!sym_tbm_bo_unref || !sym_drm_slp_bufmgr_init || !sym_tbm_bufmgr_deinit)
{
ERR("Can't load symbols from libdrm_slp.so.1");
goto err;
}
}
SYM(dri_lib, DRI2GetBuffers);
SYM(dri_lib, DRI2QueryExtension);
SYM(dri_lib, DRI2QueryVersion);
SYM(dri_lib, DRI2Connect);
SYM(dri_lib, DRI2Authenticate);
SYM(dri_lib, DRI2CreateDrawable);
SYM(dri_lib, DRI2DestroyDrawable);
SYM(xfixes_lib, XFixesQueryExtension);
SYM(xfixes_lib, XFixesQueryVersion);
SYM(xfixes_lib, XFixesCreateRegion);
SYM(xfixes_lib, XFixesDestroyRegion);
if (!sym_XFixesQueryExtension(disp, &xfixes_ev_base, &xfixes_err_base))
{
if (exim_debug) ERR("XFixes extension not in xserver");
goto err;
}
sym_XFixesQueryVersion(disp, &xfixes_major, &xfixes_minor);
if (!sym_DRI2QueryExtension(disp, &dri2_ev_base, &dri2_err_base))
{
if (exim_debug) ERR("DRI2 extension not in xserver");
goto err;
}
if (!sym_DRI2QueryVersion(disp, &dri2_major, &dri2_minor))
{
if (exim_debug) ERR("DRI2 query version failed");
goto err;
}
if (dri2_minor < 99)
{
if (exim_debug) ERR("Not supported by DRI2 version(%i.%i)",
dri2_major, dri2_minor);
goto err;
}
if (!sym_DRI2Connect(disp, RootWindow(disp, scr), &drv_name, &dev_name))
{
if (exim_debug) ERR("DRI2 connect failed on screen %i", scr);
goto err;
}
drm_fd = open(dev_name, O_RDWR);
if (drm_fd < 0)
{
if (exim_debug) ERR("DRM FD open of '%s' failed", dev_name);
goto err;
}
if (sym_drmGetMagic(drm_fd, &magic))
{
if (exim_debug) ERR("DRM get magic failed");
goto err;
}
if (!sym_DRI2Authenticate(disp, RootWindow(disp, scr),
(unsigned int)magic))
{
if (exim_debug) ERR("DRI2 authenticate failed with magic 0x%x on screen %i", (unsigned int)magic, scr);
goto err;
}
if (!slp_mode)
bufmgr = sym_tbm_bufmgr_init(drm_fd);
else
bufmgr = sym_drm_slp_bufmgr_init(drm_fd, NULL);
if (!bufmgr)
{
if (exim_debug) ERR("DRM bufmgr init failed");
goto err;
}
if (drv_name)
{
XFree(drv_name);
}
if (dev_name)
{
XFree(dev_name);
}
return EINA_TRUE;
err:
if (drm_fd >= 0)
{
close(drm_fd);
drm_fd = -1;
}
if (drm_lib)
{
dlclose(drm_lib);
drm_lib = NULL;
}
if (lib_tbm)
{
dlclose(lib_tbm);
lib_tbm = NULL;
}
if (dri_lib)
{
dlclose(dri_lib);
dri_lib = NULL;
}
if (xfixes_lib)
{
dlclose(xfixes_lib);
xfixes_lib = NULL;
}
if (drv_name)
{
XFree(drv_name);
}
if (dev_name)
{
XFree(dev_name);
}
return EINA_FALSE;
}
static void
_drm_shutdown(void)
{
if (bufmgr)
{
sym_tbm_bufmgr_deinit(bufmgr);
bufmgr = NULL;
}
if (drm_fd >= 0) close(drm_fd);
tried = EINA_FALSE;
drm_fd = -1;
dlclose(lib_tbm);
lib_tbm = NULL;
dlclose(dri_lib);
dri_lib = NULL;
dlclose(xfixes_lib);
xfixes_lib = NULL;
}
static Eina_Bool
_drm_setup(Display *disp, Evas_DRI_Image *exim)
{
sym_DRI2CreateDrawable(disp, exim->draw);
return EINA_TRUE;
}
static void
_drm_cleanup(Evas_DRI_Image *exim)
{
sym_DRI2DestroyDrawable(exim->dis, exim->draw);
}
Eina_Bool
evas_xlib_image_dri_init(Evas_DRI_Image *exim,
Display *display)
{
exim->dis = display;
if (inits <= 0)
{
if(!_drm_init(display, 0)) return EINA_FALSE;
}
inits++;
if(!_drm_setup(display, exim))
{
inits--;
if (inits == 0) _drm_shutdown();
free(exim);
return EINA_FALSE;
}
if(getenv("EVAS_NO_DRI2_CACHE"))
{
use_cache = EINA_FALSE;
}
return EINA_TRUE;
}
Eina_Bool
evas_xlib_image_dri_used()
{
if(inits > 0) return EINA_TRUE;
return EINA_FALSE;
}
void
evas_xlib_image_buffer_unmap(Evas_DRI_Image *exim)
{
if (!slp_mode)
sym_tbm_bo_unmap(exim->buf_bo);
else
sym_drm_slp_bo_unmap(exim->buf_bo, TBM_DEVICE_CPU);
if (exim_debug) DBG("Unmap buffer name %i\n", exim->buf->name);
free(exim->buf);
exim->buf = NULL;
exim->buf_data = NULL;
}
Eina_Bool
_evas_xlib_image_cache_import(Evas_DRI_Image *exim)
{
DRI2BufferFlags *flags;
exim->buf_bo = NULL;
flags = (DRI2BufferFlags *)(&(exim->buf->flags));
if (!flags->data.is_reused)
{
if (exim_debug) DBG("Buffer cache not reused - clear cache\n");
if (exim->buf_cache)
{
sym_tbm_bo_unref(exim->buf_cache->buf_bo);
free(exim->buf_cache);
}
}
else
{
if (exim->buf_cache && exim->buf_cache->name == exim->buf->name)
{
if (exim_debug) DBG("Cached buf name %i found\n", exim->buf_cache->name);
exim->buf_bo = exim->buf_cache->buf_bo;
}
else
{
if (exim->buf_cache)
{
sym_tbm_bo_unref(exim->buf_cache->buf_bo);
free(exim->buf_cache);
}
}
}
if (!exim->buf_bo)
{
exim->buf_bo = sym_tbm_bo_import(bufmgr, exim->buf->name);
if (!exim->buf_bo) return EINA_FALSE;
// cache the buf entry
exim->buf_cache = calloc(1, sizeof(Buffer));
if (!exim->buf_cache) return EINA_FALSE;
exim->buf_cache->name = exim->buf->name;
exim->buf_cache->buf_bo = exim->buf_bo;
if (exim_debug) DBG("Buffer cache added name %i\n", exim->buf_cache->name);
}
return EINA_TRUE;
}
Eina_Bool
_evas_xlib_image_no_cache_import(Evas_DRI_Image *exim)
{
if (exim->buf_bo) sym_tbm_bo_unref(exim->buf_bo);
exim->buf_bo = sym_tbm_bo_import(bufmgr, exim->buf->name);
if (!exim->buf_bo) return EINA_FALSE;
return EINA_TRUE;
}
Eina_Bool
_evas_xlib_image_x_free(Display *d)
{
XUngrabServer(d);
XSync(d, 0);
return EINA_FALSE;
}
Eina_Bool
evas_xlib_image_get_buffers(RGBA_Image *im)
{
Native *n = NULL;
Display *d;
Evas_DRI_Image *exim;
if (im->native.data)
n = im->native.data;
if (!n) return EINA_FALSE;
exim = n->ns_data.x11.exim;
d = n->ns_data.x11.display;
if(!exim) return EINA_FALSE;
unsigned int attach = DRI2BufferFrontLeft;
int num;
tbm_bo_handle bo_handle;
XGrabServer(d);
exim->buf = sym_DRI2GetBuffers(d, exim->draw,
&(exim->buf_w), &(exim->buf_h),
&attach, 1, &num);
if (!exim->buf) return _evas_xlib_image_x_free(d);
if (!exim->buf->name) return _evas_xlib_image_x_free(d);
if (use_cache)
{
if (!_evas_xlib_image_cache_import(exim)) return _evas_xlib_image_x_free(d);
}
else
{
if (!_evas_xlib_image_no_cache_import(exim)) return _evas_xlib_image_x_free(d);
}
if (!slp_mode)
{
bo_handle = sym_tbm_bo_map(exim->buf_bo, TBM_DEVICE_CPU, TBM_OPTION_READ |TBM_OPTION_WRITE);
if (bo_handle.ptr == NULL) return _evas_xlib_image_x_free(d);
exim->buf_data = bo_handle.ptr;
}
else
{
exim->buf_data = sym_drm_slp_bo_map(exim->buf_bo, TBM_DEVICE_CPU, TBM_OPTION_READ | TBM_OPTION_WRITE);
}
if (!exim->buf_data)
{
ERR("Buffer map name %i failed", exim->buf->name);
return _evas_xlib_image_x_free(d);
}
XUngrabServer(d);
XSync(d, 0);
im->image.data = exim->buf_data;
im->cache_entry.w = exim->buf->pitch/4;
evas_xlib_image_buffer_unmap(exim);
return EINA_TRUE;
}
void
evas_xlib_image_dri_free(Evas_DRI_Image *exim)
{
if(use_cache)
{
if (exim->buf_cache)
{
if (exim_debug) DBG("Cached buf name %i freed\n", exim->buf_cache->name);
sym_tbm_bo_unref(exim->buf_cache->buf_bo);
free(exim->buf_cache);
}
}
else
{
if(exim->buf_bo) sym_tbm_bo_unref(exim->buf_bo);
}
_drm_cleanup(exim);
free(exim);
inits--;
if (inits == 0) _drm_shutdown();
}
Evas_DRI_Image *
evas_xlib_image_dri_new(int w, int h, Visual *vis, int depth)
{
Evas_DRI_Image *exim;
exim = calloc(1, sizeof(Evas_DRI_Image));
if (!exim)
return NULL;
exim->w = w;
exim->h = h;
exim->visual = vis;
exim->depth = depth;
return exim;
}
static void
_native_bind_cb(void *data EINA_UNUSED, void *image, int x EINA_UNUSED, int y EINA_UNUSED, int w EINA_UNUSED, int h EINA_UNUSED)
{
RGBA_Image *im = image;
Native *n = im->native.data;
if ((n) && (n->ns.type == EVAS_NATIVE_SURFACE_X11))
{
if (evas_xlib_image_get_buffers(im))
{
evas_common_image_colorspace_dirty(im);
}
}
}
static void
_native_free_cb(void *data EINA_UNUSED, void *image)
{
RGBA_Image *im = image;
Native *n = im->native.data;
if (!n) return;
if (n->ns_data.x11.exim)
{
evas_xlib_image_dri_free(n->ns_data.x11.exim);
n->ns_data.x11.exim = NULL;
}
n->ns_data.x11.visual = NULL;
n->ns_data.x11.display = NULL;
im->native.data = NULL;
im->native.func.bind = NULL;
im->native.func.free = NULL;
im->image.data = NULL;
free(n);
}
void *
evas_xlib_image_dri_native_set(void *data, void *image, void *native)
{
Display *d = NULL;
Visual *vis = NULL;
Pixmap pm = 0;
Native *n = NULL;
RGBA_Image *im = image;
int w, h;
Evas_DRI_Image *exim;
Evas_Native_Surface *ns = native;
Outbuf *ob = (Outbuf *)data;
Window wdum;
int idum;
unsigned int uidum, depth = 0;
if (!ns || ns->type != EVAS_NATIVE_SURFACE_X11)
return NULL;
d = ob->priv.x11.xlib.disp;
vis = ns->data.x11.visual;
pm = ns->data.x11.pixmap;
if (!pm) return NULL;
XGetGeometry(d, pm, &wdum, &idum, &idum, &uidum, &uidum, &uidum, &depth);
w = im->cache_entry.w;
h = im->cache_entry.h;
exim = evas_xlib_image_dri_new(w, h, vis, depth);
if (!exim)
{
ERR("evas_xlib_image_dri_new failed.");
return NULL;
}
exim->draw = (Drawable)ns->data.x11.pixmap;
n = calloc(1, sizeof(Native));
if (!n)
{
evas_xlib_image_dri_free(exim);
return NULL;
}
memcpy(&(n->ns), ns, sizeof(Evas_Native_Surface));
n->ns_data.x11.pixmap = pm;
n->ns_data.x11.visual = vis;
n->ns_data.x11.display = d;
n->ns_data.x11.exim = exim;
im->native.data = n;
im->native.func.bind = _native_bind_cb;
im->native.func.free = _native_free_cb;
if (evas_xlib_image_dri_init(exim, d)) evas_xlib_image_get_buffers(im);
else return NULL;
return im;
}
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