diff options
Diffstat (limited to 'src/gallium/targets/egl/egl.c')
| -rw-r--r-- | src/gallium/targets/egl/egl.c | 495 |
1 files changed, 0 insertions, 495 deletions
diff --git a/src/gallium/targets/egl/egl.c b/src/gallium/targets/egl/egl.c deleted file mode 100644 index 3467aea9991..00000000000 --- a/src/gallium/targets/egl/egl.c +++ /dev/null @@ -1,495 +0,0 @@ -/* - * Mesa 3-D graphics library - * Version: 7.9 - * - * Copyright (C) 2010 LunarG Inc. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included - * in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: - * Chia-I Wu <[email protected]> - */ - -#include "util/u_debug.h" -#include "util/u_string.h" -#include "util/u_memory.h" -#include "util/u_dl.h" -#include "egldriver.h" -#include "egllog.h" - -#include "state_tracker/st_api.h" -#include "state_tracker/drm_driver.h" -#include "common/egl_g3d_loader.h" - -#ifdef HAVE_LIBUDEV -#include <libudev.h> -#define DRIVER_MAP_GALLIUM_ONLY -#include "pci_ids/pci_id_driver_map.h" -#endif - -#include "egl.h" - -struct egl_g3d_loader egl_g3d_loader; - -static struct st_module { - boolean initialized; - char *name; - struct util_dl_library *lib; - struct st_api *stapi; -} st_modules[ST_API_COUNT]; - -static struct pipe_module { - boolean initialized; - char *name; - struct util_dl_library *lib; - const struct drm_driver_descriptor *drmdd; - struct pipe_screen *(*swrast_create_screen)(struct sw_winsys *); -} pipe_modules[16]; - -static char * -loader_strdup(const char *s) -{ - size_t len = (s) ? strlen(s) : 0; - char *t = MALLOC(len + 1); - if (t) { - memcpy(t, s, len); - t[len] = '\0'; - } - return t; -} - -static EGLBoolean -dlopen_st_module_cb(const char *dir, size_t len, void *callback_data) -{ - struct st_module *stmod = - (struct st_module *) callback_data; - char path[1024]; - int ret; - - if (len) { - ret = util_snprintf(path, sizeof(path), - "%.*s/" ST_PREFIX "%s" UTIL_DL_EXT, len, dir, stmod->name); - } - else { - ret = util_snprintf(path, sizeof(path), - ST_PREFIX "%s" UTIL_DL_EXT, stmod->name); - } - - if (ret > 0 && ret < sizeof(path)) { - stmod->lib = util_dl_open(path); - if (stmod->lib) - _eglLog(_EGL_DEBUG, "loaded %s", path); - } - - return !(stmod->lib); -} - -static boolean -load_st_module(struct st_module *stmod, - const char *name, const char *procname) -{ - struct st_api *(*create_api)(void); - - if (name) { - _eglLog(_EGL_DEBUG, "searching for st module %s", name); - stmod->name = loader_strdup(name); - } - else { - stmod->name = NULL; - } - - if (stmod->name) - _eglSearchPathForEach(dlopen_st_module_cb, (void *) stmod); - else - stmod->lib = util_dl_open(NULL); - - if (stmod->lib) { - create_api = (struct st_api *(*)(void)) - util_dl_get_proc_address(stmod->lib, procname); - if (create_api) - stmod->stapi = create_api(); - - if (!stmod->stapi) { - util_dl_close(stmod->lib); - stmod->lib = NULL; - } - } - - if (!stmod->stapi) { - FREE(stmod->name); - stmod->name = NULL; - } - - return (stmod->stapi != NULL); -} - -static EGLBoolean -dlopen_pipe_module_cb(const char *dir, size_t len, void *callback_data) -{ - struct pipe_module *pmod = (struct pipe_module *) callback_data; - char path[1024]; - int ret; - - if (len) { - ret = util_snprintf(path, sizeof(path), - "%.*s/" PIPE_PREFIX "%s" UTIL_DL_EXT, len, dir, pmod->name); - } - else { - ret = util_snprintf(path, sizeof(path), - PIPE_PREFIX "%s" UTIL_DL_EXT, pmod->name); - } - if (ret > 0 && ret < sizeof(path)) { - pmod->lib = util_dl_open(path); - if (pmod->lib) - _eglLog(_EGL_DEBUG, "loaded %s", path); - } - - return !(pmod->lib); -} - -static boolean -load_pipe_module(struct pipe_module *pmod, const char *name) -{ - pmod->name = loader_strdup(name); - if (!pmod->name) - return FALSE; - - _eglLog(_EGL_DEBUG, "searching for pipe module %s", pmod->name); - _eglSearchPathForEach(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); -} - -static struct st_api * -get_st_api_full(enum st_api_type api, enum st_profile_type profile) -{ - struct st_module *stmod = &st_modules[api]; - const char *names[8], *symbol; - int i, count = 0; - - if (stmod->initialized) - return stmod->stapi; - - switch (api) { - case ST_API_OPENGL: - symbol = ST_CREATE_OPENGL_SYMBOL; - names[count++] = "GL"; - break; - case ST_API_OPENVG: - symbol = ST_CREATE_OPENVG_SYMBOL; - names[count++] = "OpenVG"; - break; - default: - symbol = NULL; - assert(!"Unknown API Type\n"); - break; - } - - /* NULL means the process itself */ - names[count++] = NULL; - - for (i = 0; i < count; i++) { - if (load_st_module(stmod, names[i], symbol)) - break; - } - - /* try again with libGL.so loaded */ - if (!stmod->stapi && api == ST_API_OPENGL) { - struct util_dl_library *glapi = util_dl_open("libGL" UTIL_DL_EXT); - - if (glapi) { - _eglLog(_EGL_DEBUG, "retry with libGL" UTIL_DL_EXT " loaded"); - /* skip the last name (which is NULL) */ - for (i = 0; i < count - 1; i++) { - if (load_st_module(stmod, names[i], symbol)) - break; - } - util_dl_close(glapi); - } - } - - if (!stmod->stapi) { - EGLint level = (egl_g3d_loader.profile_masks[api]) ? - _EGL_WARNING : _EGL_DEBUG; - _eglLog(level, "unable to load " ST_PREFIX "%s" UTIL_DL_EXT, names[0]); - } - - stmod->initialized = TRUE; - - return stmod->stapi; -} - -static struct st_api * -get_st_api(enum st_api_type api) -{ - enum st_profile_type profile = ST_PROFILE_DEFAULT; - - /* determine the profile from the linked libraries */ - if (api == ST_API_OPENGL) { - struct util_dl_library *self; - - self = util_dl_open(NULL); - if (self) { - if (util_dl_get_proc_address(self, "glColor4x")) - profile = ST_PROFILE_OPENGL_ES1; - else if (util_dl_get_proc_address(self, "glShaderBinary")) - profile = ST_PROFILE_OPENGL_ES2; - util_dl_close(self); - } - } - - return get_st_api_full(api, profile); -} - -static struct st_api * -guess_gl_api(enum st_profile_type profile) -{ - return get_st_api_full(ST_API_OPENGL, profile); -} - -static struct pipe_module * -get_pipe_module(const char *name) -{ - struct pipe_module *pmod = NULL; - int i; - - if (!name) - return NULL; - - for (i = 0; i < Elements(pipe_modules); i++) { - if (!pipe_modules[i].initialized || - strcmp(pipe_modules[i].name, name) == 0) { - pmod = &pipe_modules[i]; - break; - } - } - if (!pmod) - return NULL; - - if (!pmod->initialized) { - load_pipe_module(pmod, name); - pmod->initialized = TRUE; - } - - return pmod; -} - -static char * -drm_fd_get_screen_name(int fd) -{ - char *driver = NULL; -#ifdef HAVE_LIBUDEV - struct udev *udev; - struct udev_device *device, *parent; - struct stat buf; - const char *pci_id; - int vendor_id, chip_id, i, j; - - udev = udev_new(); - if (fstat(fd, &buf) < 0) { - _eglLog(_EGL_WARNING, "failed to stat fd %d", fd); - return NULL; - } - - device = udev_device_new_from_devnum(udev, 'c', buf.st_rdev); - if (device == NULL) { - _eglLog(_EGL_WARNING, - "could not create udev device for fd %d", fd); - return NULL; - } - - parent = udev_device_get_parent(device); - if (parent == NULL) { - _eglLog(_EGL_WARNING, "could not get parent device"); - goto out; - } - - pci_id = udev_device_get_property_value(parent, "PCI_ID"); - if (pci_id == NULL || - sscanf(pci_id, "%x:%x", &vendor_id, &chip_id) != 2) { - _eglLog(_EGL_WARNING, "malformed or no PCI ID"); - goto out; - } - - for (i = 0; driver_map[i].driver; i++) { - if (vendor_id != driver_map[i].vendor_id) - continue; - if (driver_map[i].num_chips_ids == -1) { - driver = strdup(driver_map[i].driver); - _eglLog(_EGL_WARNING, - "pci id for %d: %04x:%04x, driver %s", - fd, vendor_id, chip_id, driver); - goto out; - } - - for (j = 0; j < driver_map[i].num_chips_ids; j++) - if (driver_map[i].chip_ids[j] == chip_id) { - driver = strdup(driver_map[i].driver); - _eglLog(_EGL_WARNING, - "pci id for %d: %04x:%04x, driver %s", - fd, vendor_id, chip_id, driver); - goto out; - } - } - -out: - udev_device_unref(device); - udev_unref(udev); - -#endif - return driver; -} - -static struct pipe_screen * -create_drm_screen(const char *name, int fd) -{ - struct pipe_module *pmod; - const char *screen_name = name; - - if (screen_name == NULL) - if ((screen_name = drm_fd_get_screen_name(fd)) == NULL) - return NULL; - pmod = get_pipe_module(screen_name); - - return (pmod && pmod->drmdd && pmod->drmdd->create_screen) ? - pmod->drmdd->create_screen(fd) : NULL; -} - -static struct pipe_screen * -create_sw_screen(struct sw_winsys *ws) -{ - struct pipe_module *pmod = get_pipe_module("swrast"); - return (pmod && pmod->swrast_create_screen) ? - pmod->swrast_create_screen(ws) : NULL; -} - -static const struct egl_g3d_loader * -loader_init(void) -{ - /* TODO detect at runtime? */ -#if FEATURE_GL - egl_g3d_loader.profile_masks[ST_API_OPENGL] |= ST_PROFILE_DEFAULT_MASK; -#endif -#if FEATURE_ES1 - egl_g3d_loader.profile_masks[ST_API_OPENGL] |= ST_PROFILE_OPENGL_ES1_MASK; -#endif -#if FEATURE_ES2 - egl_g3d_loader.profile_masks[ST_API_OPENGL] |= ST_PROFILE_OPENGL_ES2_MASK; -#endif -#if FEATURE_VG - egl_g3d_loader.profile_masks[ST_API_OPENVG] |= ST_PROFILE_DEFAULT_MASK; -#endif - - egl_g3d_loader.get_st_api = get_st_api; - egl_g3d_loader.guess_gl_api = guess_gl_api; - egl_g3d_loader.create_drm_screen = create_drm_screen; - egl_g3d_loader.create_sw_screen = create_sw_screen; - - return &egl_g3d_loader; -} - -static void -loader_fini(void) -{ - int i; - - for (i = 0; i < ST_API_COUNT; i++) { - struct st_module *stmod = &st_modules[i]; - - if (stmod->stapi) { - stmod->stapi->destroy(stmod->stapi); - stmod->stapi = NULL; - } - if (stmod->lib) { - util_dl_close(stmod->lib); - stmod->lib = NULL; - } - if (stmod->name) { - FREE(stmod->name); - stmod->name = NULL; - } - stmod->initialized = FALSE; - } - for (i = 0; i < Elements(pipe_modules); i++) { - struct pipe_module *pmod = &pipe_modules[i]; - - if (!pmod->initialized) - break; - - pmod->drmdd = NULL; - pmod->swrast_create_screen = NULL; - if (pmod->lib) { - util_dl_close(pmod->lib); - pmod->lib = NULL; - } - if (pmod->name) { - FREE(pmod->name); - pmod->name = NULL; - } - pmod->initialized = FALSE; - } -} - -static void -egl_g3d_unload(_EGLDriver *drv) -{ - egl_g3d_destroy_driver(drv); - loader_fini(); -} - -_EGLDriver * -_eglMain(const char *args) -{ - const struct egl_g3d_loader *loader; - _EGLDriver *drv; - - loader = loader_init(); - drv = egl_g3d_create_driver(loader); - if (!drv) { - loader_fini(); - return NULL; - } - - drv->Name = "Gallium"; - drv->Unload = egl_g3d_unload; - - return drv; -} |