static struct st_api *
egl_st_load_gl(void)
{
const char module[] = "st_GL";
const char symbol[] = "st_api_create_OpenGL";
struct st_api *stapi;
stapi = load_gl(module, symbol);
/* try again with libglapi.so loaded */
if (!stapi) {
struct util_dl_library *glapi = util_dl_open("libglapi" UTIL_DL_EXT);
if (glapi) {
_eglLog(_EGL_DEBUG, "retry with libglapi" UTIL_DL_EXT " loaded");
stapi = load_gl(module, symbol);
util_dl_close(glapi);
}
}
if (!stapi)
_eglLog(_EGL_WARNING, "unable to load %s" UTIL_DL_EXT, module);
return stapi;
}
static bool
load_pipe_module(struct pipe_module *pmod, const char *name)
{
pmod->name = strdup(name);
if (!pmod->name)
return FALSE;
for_each_in_search_path(dlopen_pipe_module_cb, (void *) pmod);
if (pmod->lib) {
pmod->drmdd = (const struct drm_driver_descriptor *)
util_dl_get_proc_address(pmod->lib, "driver_descriptor");
/* sanity check on the name */
if (pmod->drmdd && strcmp(pmod->drmdd->name, pmod->name) != 0)
pmod->drmdd = NULL;
/* swrast */
if (pmod->drmdd && !pmod->drmdd->driver_name) {
pmod->swrast_create_screen =
(struct pipe_screen *(*)(struct sw_winsys *))
util_dl_get_proc_address(pmod->lib, "swrast_create_screen");
if (!pmod->swrast_create_screen)
pmod->drmdd = NULL;
}
if (!pmod->drmdd) {
util_dl_close(pmod->lib);
pmod->lib = NULL;
}
}
return (pmod->drmdd != NULL);
}
void
util_format_s3tc_init(void)
{
static boolean first_time = TRUE;
struct util_dl_library *library = NULL;
util_dl_proc fetch_2d_texel_rgb_dxt1;
util_dl_proc fetch_2d_texel_rgba_dxt1;
util_dl_proc fetch_2d_texel_rgba_dxt3;
util_dl_proc fetch_2d_texel_rgba_dxt5;
util_dl_proc tx_compress_dxtn;
if (!first_time)
return;
first_time = FALSE;
if (util_format_s3tc_enabled)
return;
#if 0
library = util_dl_open(DXTN_LIBNAME);
if (!library) {
debug_printf("couldn't open " DXTN_LIBNAME ", software DXTn "
"compression/decompression unavailable\n");
return;
}
fetch_2d_texel_rgb_dxt1 =
util_dl_get_proc_address(library, "fetch_2d_texel_rgb_dxt1");
fetch_2d_texel_rgba_dxt1 =
util_dl_get_proc_address(library, "fetch_2d_texel_rgba_dxt1");
fetch_2d_texel_rgba_dxt3 =
util_dl_get_proc_address(library, "fetch_2d_texel_rgba_dxt3");
fetch_2d_texel_rgba_dxt5 =
util_dl_get_proc_address(library, "fetch_2d_texel_rgba_dxt5");
tx_compress_dxtn =
util_dl_get_proc_address(library, "tx_compress_dxtn");
if (!util_format_dxt1_rgb_fetch ||
!util_format_dxt1_rgba_fetch ||
!util_format_dxt3_rgba_fetch ||
!util_format_dxt5_rgba_fetch ||
!util_format_dxtn_pack) {
debug_printf("couldn't reference all symbols in " DXTN_LIBNAME
", software DXTn compression/decompression "
"unavailable\n");
util_dl_close(library);
return;
}
util_format_dxt1_rgb_fetch = (util_format_dxtn_fetch_t)fetch_2d_texel_rgb_dxt1;
util_format_dxt1_rgba_fetch = (util_format_dxtn_fetch_t)fetch_2d_texel_rgba_dxt1;
util_format_dxt3_rgba_fetch = (util_format_dxtn_fetch_t)fetch_2d_texel_rgba_dxt3;
util_format_dxt5_rgba_fetch = (util_format_dxtn_fetch_t)fetch_2d_texel_rgba_dxt5;
util_format_dxtn_pack = (util_format_dxtn_pack_t)tx_compress_dxtn;
util_format_s3tc_enabled = TRUE;
#endif
}
static void
pipe_loader_sw_release(struct pipe_loader_device **dev)
{
struct pipe_loader_sw_device *sdev = pipe_loader_sw_device(*dev);
if (sdev->lib)
util_dl_close(sdev->lib);
FREE(sdev);
*dev = NULL;
}
static void
pipe_loader_drm_release(struct pipe_loader_device **dev)
{
struct pipe_loader_drm_device *ddev = pipe_loader_drm_device(*dev);
if (ddev->lib)
util_dl_close(ddev->lib);
close(ddev->fd);
FREE(ddev);
*dev = NULL;
}
void
egl_st_destroy_api(struct st_api *stapi)
{
#if _EGL_EXTERNAL_GL
boolean is_gl = (stapi->api == ST_API_OPENGL);
stapi->destroy(stapi);
if (is_gl) {
util_dl_close(egl_st_gl_lib);
egl_st_gl_lib = NULL;
}
#else
stapi->destroy(stapi);
#endif
}
static struct pipe_screen *
pipe_loader_sw_create_screen(struct pipe_loader_device *dev,
const char *library_paths)
{
struct pipe_loader_sw_device *sdev = pipe_loader_sw_device(dev);
struct pipe_screen *(*init)(struct sw_winsys *);
if (!sdev->lib)
sdev->lib = pipe_loader_find_module(dev, library_paths);
if (!sdev->lib)
return NULL;
init = (void *)util_dl_get_proc_address(sdev->lib, "swrast_create_screen");
if (!init){
util_dl_close(sdev->lib);
sdev->lib = NULL;
return NULL;
}
return init(sdev->ws);
}
static struct st_api *
load_gl(const char *name, const char *procname)
{
struct st_api *(*create_api)(void);
struct st_api *stapi = NULL;
_eglSearchPathForEach(dlopen_gl_lib_cb, (void *) name);
if (!egl_st_gl_lib)
return NULL;
create_api = (struct st_api *(*)(void))
util_dl_get_proc_address(egl_st_gl_lib, procname);
if (create_api)
stapi = create_api();
if (!stapi) {
util_dl_close(egl_st_gl_lib);
egl_st_gl_lib = NULL;
}
return stapi;
}
void
util_format_s3tc_init(void)
{
static boolean first_time = TRUE;
struct util_dl_library *library = NULL;
util_dl_proc fetch_2d_texel_rgb_dxt1;
util_dl_proc fetch_2d_texel_rgba_dxt1;
util_dl_proc fetch_2d_texel_rgba_dxt3;
util_dl_proc fetch_2d_texel_rgba_dxt5;
util_dl_proc tx_compress_dxtn;
char *force_s3tc_enable;
return;
#if 0
if (!first_time)
return;
first_time = FALSE;
if (util_format_s3tc_enabled)
return;
// library = util_dl_open(DXTN_LIBNAME);
if (!library) {
if ((force_s3tc_enable = getenv("force_s3tc_enable")) &&
!strcmp(force_s3tc_enable, "true")) {
debug_printf("couldn't open " DXTN_LIBNAME ", enabling DXTn due to "
"force_s3tc_enable=true environment variable\n");
util_format_s3tc_enabled = TRUE;
} else {
debug_printf("couldn't open " DXTN_LIBNAME ", software DXTn "
"compression/decompression unavailable\n");
}
return;
}
fetch_2d_texel_rgb_dxt1 =
util_dl_get_proc_address(library, "fetch_2d_texel_rgb_dxt1");
fetch_2d_texel_rgba_dxt1 =
util_dl_get_proc_address(library, "fetch_2d_texel_rgba_dxt1");
fetch_2d_texel_rgba_dxt3 =
util_dl_get_proc_address(library, "fetch_2d_texel_rgba_dxt3");
fetch_2d_texel_rgba_dxt5 =
util_dl_get_proc_address(library, "fetch_2d_texel_rgba_dxt5");
tx_compress_dxtn =
util_dl_get_proc_address(library, "tx_compress_dxtn");
if (!util_format_dxt1_rgb_fetch ||
!util_format_dxt1_rgba_fetch ||
!util_format_dxt3_rgba_fetch ||
!util_format_dxt5_rgba_fetch ||
!util_format_dxtn_pack) {
debug_printf("couldn't reference all symbols in " DXTN_LIBNAME
", software DXTn compression/decompression "
"unavailable\n");
util_dl_close(library);
return;
}
util_format_dxt1_rgb_fetch = (util_format_dxtn_fetch_t)fetch_2d_texel_rgb_dxt1;
util_format_dxt1_rgba_fetch = (util_format_dxtn_fetch_t)fetch_2d_texel_rgba_dxt1;
util_format_dxt3_rgba_fetch = (util_format_dxtn_fetch_t)fetch_2d_texel_rgba_dxt3;
util_format_dxt5_rgba_fetch = (util_format_dxtn_fetch_t)fetch_2d_texel_rgba_dxt5;
util_format_dxtn_pack = (util_format_dxtn_pack_t)tx_compress_dxtn;
util_format_s3tc_enabled = TRUE;
#endif
}