| /* |
| * XGL |
| * |
| * Copyright (C) 2014 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 <olv@lunarg.com> |
| * Jon Ashburn <jon@lunarg.com> |
| * Courtney Goeltzenleuchter <courtney@lunarg.com> |
| */ |
| #define _GNU_SOURCE |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <stdarg.h> |
| #include <stdbool.h> |
| #include <string.h> |
| |
| #include <sys/types.h> |
| #if defined(WIN32) |
| #include "dirent_on_windows.h" |
| #else // WIN32 |
| #include <dirent.h> |
| #endif // WIN32 |
| #include "loader_platform.h" |
| #include "table_ops.h" |
| #include "loader.h" |
| #include "xglIcd.h" |
| // The following is #included again to catch certain OS-specific functions |
| // being used: |
| #include "loader_platform.h" |
| |
| struct loader_instance { |
| struct loader_icd *icds; |
| struct loader_instance *next; |
| }; |
| |
| struct loader_layers { |
| loader_platform_dl_handle lib_handle; |
| char name[256]; |
| }; |
| |
| struct layer_name_pair { |
| char *layer_name; |
| const char *lib_name; |
| }; |
| |
| struct loader_icd { |
| const struct loader_scanned_icds *scanned_icds; |
| |
| XGL_LAYER_DISPATCH_TABLE *loader_dispatch; |
| uint32_t layer_count[XGL_MAX_PHYSICAL_GPUS]; |
| struct loader_layers layer_libs[XGL_MAX_PHYSICAL_GPUS][MAX_LAYER_LIBRARIES]; |
| XGL_BASE_LAYER_OBJECT *wrappedGpus[XGL_MAX_PHYSICAL_GPUS]; |
| uint32_t gpu_count; |
| XGL_BASE_LAYER_OBJECT *gpus; |
| |
| struct loader_icd *next; |
| }; |
| |
| |
| struct loader_msg_callback { |
| XGL_DBG_MSG_CALLBACK_FUNCTION func; |
| void *data; |
| |
| struct loader_msg_callback *next; |
| }; |
| |
| struct loader_scanned_icds { |
| loader_platform_dl_handle handle; |
| xglGetProcAddrType GetProcAddr; |
| xglCreateInstanceType CreateInstance; |
| xglDestroyInstanceType DestroyInstance; |
| xglEnumerateGpusType EnumerateGpus; |
| XGL_INSTANCE instance; |
| struct loader_scanned_icds *next; |
| }; |
| |
| // Note: Since the following is a static structure, all members are initialized |
| // to zero. |
| static struct { |
| struct loader_instance *instances; |
| bool icds_scanned; |
| struct loader_scanned_icds *scanned_icd_list; |
| bool layer_scanned; |
| char *layer_dirs; |
| unsigned int scanned_layer_count; |
| char *scanned_layer_names[MAX_LAYER_LIBRARIES]; |
| struct loader_msg_callback *msg_callbacks; |
| |
| bool debug_echo_enable; |
| bool break_on_error; |
| bool break_on_warning; |
| } loader; |
| |
| |
| #if defined(WIN32) |
| // For ICD developers, look in the registry, and look for an environment |
| // variable for a path(s) where to find the ICD(s): |
| static char *loader_get_registry_and_env(const char *env_var, |
| const char *registry_value) |
| { |
| char *env_str = getenv(env_var); |
| size_t env_len = (env_str == NULL) ? 0 : strlen(env_str); |
| #define INITIAL_STR_LEN 1024 |
| char *registry_str = malloc(INITIAL_STR_LEN); |
| DWORD registry_len = INITIAL_STR_LEN; |
| DWORD registry_value_type; |
| LONG registry_return_value; |
| char *rtn_str = NULL; |
| size_t rtn_len; |
| |
| registry_return_value = RegGetValue(HKEY_LOCAL_MACHINE, "Software\\XGL", |
| registry_value, |
| (RRF_RT_REG_SZ | RRF_ZEROONFAILURE), |
| ®istry_value_type, |
| (PVOID) registry_str, |
| ®istry_len); |
| |
| if (registry_return_value == ERROR_MORE_DATA) { |
| registry_str = realloc(registry_str, registry_len); |
| registry_return_value = RegGetValue(HKEY_LOCAL_MACHINE, "Software\\XGL", |
| registry_value, |
| (RRF_RT_REG_SZ | RRF_ZEROONFAILURE), |
| ®istry_value_type, |
| (PVOID) registry_str, |
| ®istry_len); |
| } |
| |
| rtn_len = env_len + registry_len + 1; |
| if (rtn_len <= 2) { |
| // We found neither the desired registry value, nor the environment |
| // variable; return NULL: |
| return NULL; |
| } else { |
| // We found something, and so we need to allocate memory for the string |
| // to return: |
| rtn_str = malloc(rtn_len); |
| } |
| |
| if (registry_return_value != ERROR_SUCCESS) { |
| // We didn't find the desired registry value, and so we must have found |
| // only the environment variable: |
| _snprintf(rtn_str, rtn_len, "%s", env_str); |
| } else if (env_str != NULL) { |
| // We found both the desired registry value and the environment |
| // variable, so concatenate them both: |
| _snprintf(rtn_str, rtn_len, "%s;%s", registry_str, env_str); |
| } else { |
| // We must have only found the desired registry value: |
| _snprintf(rtn_str, rtn_len, "%s", registry_str); |
| } |
| |
| free(registry_str); |
| |
| return(rtn_str); |
| } |
| #endif // WIN32 |
| |
| |
| static XGL_RESULT loader_msg_callback_add(XGL_DBG_MSG_CALLBACK_FUNCTION func, |
| void *data) |
| { |
| struct loader_msg_callback *cb; |
| |
| cb = malloc(sizeof(*cb)); |
| if (!cb) |
| return XGL_ERROR_OUT_OF_MEMORY; |
| |
| cb->func = func; |
| cb->data = data; |
| |
| cb->next = loader.msg_callbacks; |
| loader.msg_callbacks = cb; |
| |
| return XGL_SUCCESS; |
| } |
| |
| static XGL_RESULT loader_msg_callback_remove(XGL_DBG_MSG_CALLBACK_FUNCTION func) |
| { |
| struct loader_msg_callback *cb = loader.msg_callbacks; |
| |
| /* |
| * Find the first match (last registered). |
| * |
| * XXX What if the same callback function is registered more than once? |
| */ |
| while (cb) { |
| if (cb->func == func) { |
| break; |
| } |
| |
| cb = cb->next; |
| } |
| |
| if (!cb) |
| return XGL_ERROR_INVALID_POINTER; |
| |
| free(cb); |
| |
| return XGL_SUCCESS; |
| } |
| |
| static void loader_msg_callback_clear(void) |
| { |
| struct loader_msg_callback *cb = loader.msg_callbacks; |
| |
| while (cb) { |
| struct loader_msg_callback *next = cb->next; |
| free(cb); |
| cb = next; |
| } |
| |
| loader.msg_callbacks = NULL; |
| } |
| |
| static void loader_log(XGL_DBG_MSG_TYPE msg_type, int32_t msg_code, |
| const char *format, ...) |
| { |
| const struct loader_msg_callback *cb = loader.msg_callbacks; |
| char msg[256]; |
| va_list ap; |
| int ret; |
| |
| va_start(ap, format); |
| ret = vsnprintf(msg, sizeof(msg), format, ap); |
| if ((ret >= (int) sizeof(msg)) || ret < 0) { |
| msg[sizeof(msg) - 1] = '\0'; |
| } |
| va_end(ap); |
| |
| if (loader.debug_echo_enable || !cb) { |
| fputs(msg, stderr); |
| fputc('\n', stderr); |
| } |
| |
| while (cb) { |
| cb->func(msg_type, XGL_VALIDATION_LEVEL_0, XGL_NULL_HANDLE, 0, |
| msg_code, msg, cb->data); |
| cb = cb->next; |
| } |
| |
| switch (msg_type) { |
| case XGL_DBG_MSG_ERROR: |
| if (loader.break_on_error) { |
| exit(1); |
| } |
| /* fall through */ |
| case XGL_DBG_MSG_WARNING: |
| if (loader.break_on_warning) { |
| exit(1); |
| } |
| break; |
| default: |
| break; |
| } |
| } |
| |
| static void |
| loader_icd_destroy(struct loader_icd *icd) |
| { |
| loader_platform_close_library(icd->scanned_icds->handle); |
| free(icd); |
| } |
| |
| static struct loader_icd * |
| loader_icd_create(const struct loader_scanned_icds *scanned) |
| { |
| struct loader_icd *icd; |
| |
| icd = malloc(sizeof(*icd)); |
| if (!icd) |
| return NULL; |
| |
| memset(icd, 0, sizeof(*icd)); |
| |
| icd->scanned_icds = scanned; |
| |
| return icd; |
| } |
| |
| static XGL_RESULT loader_icd_register_msg_callbacks(const struct loader_icd *icd) |
| { |
| const struct loader_msg_callback *cb = loader.msg_callbacks; |
| XGL_RESULT res; |
| |
| while (cb) { |
| for (uint32_t i = 0; i < icd->gpu_count; i++) { |
| res = (icd->loader_dispatch + i)->DbgRegisterMsgCallback(cb->func, cb->data); |
| if (res != XGL_SUCCESS) { |
| break; |
| } |
| } |
| cb = cb->next; |
| } |
| |
| /* roll back on errors */ |
| if (cb) { |
| const struct loader_msg_callback *tmp = loader.msg_callbacks; |
| |
| while (tmp != cb) { |
| for (uint32_t i = 0; i < icd->gpu_count; i++) { |
| (icd->loader_dispatch + i)->DbgUnregisterMsgCallback(cb->func); |
| } |
| tmp = tmp->next; |
| } |
| |
| return res; |
| } |
| |
| return XGL_SUCCESS; |
| } |
| |
| static XGL_RESULT loader_icd_set_global_options(const struct loader_icd *icd) |
| { |
| #define SETB(icd, opt, val) do { \ |
| if (val) { \ |
| for (uint32_t i = 0; i < icd->gpu_count; i++) { \ |
| const XGL_RESULT res = \ |
| (icd->loader_dispatch + i)->DbgSetGlobalOption(opt, sizeof(val), &val); \ |
| if (res != XGL_SUCCESS) \ |
| return res; \ |
| } \ |
| } \ |
| } while (0) |
| SETB(icd, XGL_DBG_OPTION_DEBUG_ECHO_ENABLE, loader.debug_echo_enable); |
| SETB(icd, XGL_DBG_OPTION_BREAK_ON_ERROR, loader.break_on_error); |
| SETB(icd, XGL_DBG_OPTION_BREAK_ON_WARNING, loader.break_on_warning); |
| #undef SETB |
| |
| return XGL_SUCCESS; |
| } |
| |
| static struct loader_icd *loader_icd_add(struct loader_instance *ptr_inst, |
| const struct loader_scanned_icds *scanned) |
| { |
| struct loader_icd *icd; |
| |
| icd = loader_icd_create(scanned); |
| if (!icd) |
| return NULL; |
| |
| /* prepend to the list */ |
| icd->next = ptr_inst->icds; |
| ptr_inst->icds = icd; |
| |
| return icd; |
| } |
| |
| static void loader_scanned_icd_add(const char *filename) |
| { |
| loader_platform_dl_handle handle; |
| void *fp_gpa, *fp_enumerate, *fp_create_inst, *fp_destroy_inst; |
| struct loader_scanned_icds *new_node; |
| |
| // Used to call: dlopen(filename, RTLD_LAZY); |
| handle = loader_platform_open_library(filename); |
| if (!handle) { |
| loader_log(XGL_DBG_MSG_WARNING, 0, loader_platform_open_library_error(filename)); |
| return; |
| } |
| |
| #define LOOKUP(func_ptr, func) do { \ |
| func_ptr = (xgl ##func## Type) loader_platform_get_proc_address(handle, "xgl" #func); \ |
| if (!func_ptr) { \ |
| loader_log(XGL_DBG_MSG_WARNING, 0, loader_platform_get_proc_address_error("xgl" #func)); \ |
| return; \ |
| } \ |
| } while (0) |
| |
| LOOKUP(fp_gpa, GetProcAddr); |
| LOOKUP(fp_create_inst, CreateInstance); |
| LOOKUP(fp_destroy_inst, DestroyInstance); |
| LOOKUP(fp_enumerate, EnumerateGpus); |
| #undef LOOKUP |
| |
| new_node = (struct loader_scanned_icds *) malloc(sizeof(struct loader_scanned_icds)); |
| if (!new_node) { |
| loader_log(XGL_DBG_MSG_WARNING, 0, "Out of memory can't add icd"); |
| return; |
| } |
| |
| new_node->handle = handle; |
| new_node->GetProcAddr = fp_gpa; |
| new_node->CreateInstance = fp_create_inst; |
| new_node->DestroyInstance = fp_destroy_inst; |
| new_node->EnumerateGpus = fp_enumerate; |
| new_node->next = loader.scanned_icd_list; |
| loader.scanned_icd_list = new_node; |
| } |
| |
| |
| /** |
| * Try to \c loader_icd_scan XGL driver(s). |
| * |
| * This function scans the default system path or path |
| * specified by the \c LIBXGL_DRIVERS_PATH environment variable in |
| * order to find loadable XGL ICDs with the name of libXGL_*. |
| * |
| * \returns |
| * void; but side effect is to set loader_icd_scanned to true |
| */ |
| static void loader_icd_scan(void) |
| { |
| const char *p, *next; |
| char *libPaths = NULL; |
| DIR *sysdir; |
| struct dirent *dent; |
| char icd_library[1024]; |
| char path[1024]; |
| uint32_t len; |
| #if defined(WIN32) |
| bool must_free_libPaths; |
| libPaths = loader_get_registry_and_env(DRIVER_PATH_ENV, |
| DRIVER_PATH_REGISTRY_VALUE); |
| if (libPaths != NULL) { |
| must_free_libPaths = true; |
| } else { |
| must_free_libPaths = false; |
| libPaths = DEFAULT_XGL_DRIVERS_PATH; |
| } |
| #else // WIN32 |
| if (geteuid() == getuid()) { |
| /* Don't allow setuid apps to use the DRIVER_PATH_ENV env var: */ |
| libPaths = getenv(DRIVER_PATH_ENV); |
| } |
| if (libPaths == NULL) { |
| libPaths = DEFAULT_XGL_DRIVERS_PATH; |
| } |
| #endif // WIN32 |
| |
| for (p = libPaths; *p; p = next) { |
| next = strchr(p, PATH_SEPERATOR); |
| if (next == NULL) { |
| len = (uint32_t) strlen(p); |
| next = p + len; |
| } |
| else { |
| len = (uint32_t) (next - p); |
| sprintf(path, "%.*s", (len > sizeof(path) - 1) ? (int) sizeof(path) - 1 : len, p); |
| p = path; |
| next++; |
| } |
| |
| // TODO/TBD: Do we want to do this on Windows, or just let Windows take |
| // care of its own search path (which it apparently has)? |
| sysdir = opendir(p); |
| if (sysdir) { |
| dent = readdir(sysdir); |
| while (dent) { |
| /* Look for ICDs starting with XGL_DRIVER_LIBRARY_PREFIX and |
| * ending with XGL_LIBRARY_SUFFIX |
| */ |
| if (!strncmp(dent->d_name, |
| XGL_DRIVER_LIBRARY_PREFIX, |
| XGL_DRIVER_LIBRARY_PREFIX_LEN)) { |
| uint32_t nlen = (uint32_t) strlen(dent->d_name); |
| const char *suf = dent->d_name + nlen - XGL_LIBRARY_SUFFIX_LEN; |
| if ((nlen > XGL_LIBRARY_SUFFIX_LEN) && |
| !strncmp(suf, |
| XGL_LIBRARY_SUFFIX, |
| XGL_LIBRARY_SUFFIX_LEN)) { |
| snprintf(icd_library, 1024, "%s" DIRECTORY_SYMBOL "%s", p,dent->d_name); |
| loader_scanned_icd_add(icd_library); |
| } |
| } |
| |
| dent = readdir(sysdir); |
| } |
| closedir(sysdir); |
| } |
| } |
| |
| #if defined(WIN32) |
| // Free any allocated memory: |
| if (must_free_libPaths) { |
| free(libPaths); |
| } |
| #endif // WIN32 |
| |
| // Note that we've scanned for ICDs: |
| loader.icds_scanned = true; |
| } |
| |
| |
| static void layer_lib_scan(void) |
| { |
| const char *p, *next; |
| char *libPaths = NULL; |
| DIR *curdir; |
| struct dirent *dent; |
| size_t len, i; |
| char temp_str[1024]; |
| |
| #if defined(WIN32) |
| bool must_free_libPaths; |
| libPaths = loader_get_registry_and_env(LAYERS_PATH_ENV, |
| LAYERS_PATH_REGISTRY_VALUE); |
| if (libPaths != NULL) { |
| must_free_libPaths = true; |
| } else { |
| must_free_libPaths = false; |
| libPaths = DEFAULT_XGL_LAYERS_PATH; |
| } |
| #else // WIN32 |
| if (geteuid() == getuid()) { |
| /* Don't allow setuid apps to use the DRIVER_PATH_ENV env var: */ |
| libPaths = getenv(LAYERS_PATH_ENV); |
| } |
| if (libPaths == NULL) { |
| libPaths = DEFAULT_XGL_LAYERS_PATH; |
| } |
| #endif // WIN32 |
| |
| if (libPaths == NULL) { |
| // Have no paths to search: |
| return; |
| } |
| len = strlen(libPaths); |
| loader.layer_dirs = malloc(len+1); |
| if (loader.layer_dirs == NULL) { |
| free(libPaths); |
| return; |
| } |
| // Alloc passed, so we know there is enough space to hold the string, don't |
| // need strncpy |
| strcpy(loader.layer_dirs, libPaths); |
| #if defined(WIN32) |
| // Free any allocated memory: |
| if (must_free_libPaths) { |
| free(libPaths); |
| must_free_libPaths = false; |
| } |
| #endif // WIN32 |
| libPaths = loader.layer_dirs; |
| |
| /* cleanup any previously scanned libraries */ |
| for (i = 0; i < loader.scanned_layer_count; i++) { |
| if (loader.scanned_layer_names[i] != NULL) |
| free(loader.scanned_layer_names[i]); |
| loader.scanned_layer_names[i] = NULL; |
| } |
| loader.scanned_layer_count = 0; |
| |
| for (p = libPaths; *p; p = next) { |
| next = strchr(p, PATH_SEPERATOR); |
| if (next == NULL) { |
| len = (uint32_t) strlen(p); |
| next = p + len; |
| } |
| else { |
| len = (uint32_t) (next - p); |
| *(char *) next = '\0'; |
| next++; |
| } |
| |
| curdir = opendir(p); |
| if (curdir) { |
| dent = readdir(curdir); |
| while (dent) { |
| /* Look for layers starting with XGL_LAYER_LIBRARY_PREFIX and |
| * ending with XGL_LIBRARY_SUFFIX |
| */ |
| if (!strncmp(dent->d_name, |
| XGL_LAYER_LIBRARY_PREFIX, |
| XGL_LAYER_LIBRARY_PREFIX_LEN)) { |
| uint32_t nlen = (uint32_t) strlen(dent->d_name); |
| const char *suf = dent->d_name + nlen - XGL_LIBRARY_SUFFIX_LEN; |
| if ((nlen > XGL_LIBRARY_SUFFIX_LEN) && |
| !strncmp(suf, |
| XGL_LIBRARY_SUFFIX, |
| XGL_LIBRARY_SUFFIX_LEN)) { |
| loader_platform_dl_handle handle; |
| snprintf(temp_str, sizeof(temp_str), "%s" DIRECTORY_SYMBOL "%s",p,dent->d_name); |
| // Used to call: dlopen(temp_str, RTLD_LAZY) |
| if ((handle = loader_platform_open_library(temp_str)) == NULL) { |
| dent = readdir(curdir); |
| continue; |
| } |
| if (loader.scanned_layer_count == MAX_LAYER_LIBRARIES) { |
| loader_log(XGL_DBG_MSG_ERROR, 0, "%s ignored: max layer libraries exceed", temp_str); |
| break; |
| } |
| if ((loader.scanned_layer_names[loader.scanned_layer_count] = malloc(strlen(temp_str) + 1)) == NULL) { |
| loader_log(XGL_DBG_MSG_ERROR, 0, "%s ignored: out of memory", temp_str); |
| break; |
| } |
| strcpy(loader.scanned_layer_names[loader.scanned_layer_count], temp_str); |
| loader.scanned_layer_count++; |
| loader_platform_close_library(handle); |
| } |
| } |
| |
| dent = readdir(curdir); |
| } |
| closedir(curdir); |
| } |
| } |
| |
| loader.layer_scanned = true; |
| } |
| |
| static void loader_init_dispatch_table(XGL_LAYER_DISPATCH_TABLE *tab, xglGetProcAddrType fpGPA, XGL_PHYSICAL_GPU gpu) |
| { |
| loader_initialize_dispatch_table(tab, fpGPA, gpu); |
| |
| if (tab->EnumerateLayers == NULL) |
| tab->EnumerateLayers = xglEnumerateLayers; |
| } |
| |
| static struct loader_icd * loader_get_icd(const XGL_BASE_LAYER_OBJECT *gpu, uint32_t *gpu_index) |
| { |
| for (struct loader_instance *inst = loader.instances; inst; inst = inst->next) { |
| for (struct loader_icd *icd = inst->icds; icd; icd = icd->next) { |
| for (uint32_t i = 0; i < icd->gpu_count; i++) |
| if ((icd->gpus + i) == gpu || (icd->gpus +i)->baseObject == |
| gpu->baseObject) { |
| *gpu_index = i; |
| return icd; |
| } |
| } |
| } |
| return NULL; |
| } |
| |
| static bool loader_layers_activated(const struct loader_icd *icd, const uint32_t gpu_index) |
| { |
| if (icd->layer_count[gpu_index]) |
| return true; |
| else |
| return false; |
| } |
| |
| static void loader_init_layer_libs(struct loader_icd *icd, uint32_t gpu_index, struct layer_name_pair * pLayerNames, uint32_t count) |
| { |
| if (!icd) |
| return; |
| |
| struct loader_layers *obj; |
| bool foundLib; |
| for (uint32_t i = 0; i < count; i++) { |
| foundLib = false; |
| for (uint32_t j = 0; j < icd->layer_count[gpu_index]; j++) { |
| if (icd->layer_libs[gpu_index][j].lib_handle && !strcmp(icd->layer_libs[gpu_index][j].name, (char *) pLayerNames[i].layer_name)) { |
| foundLib = true; |
| break; |
| } |
| } |
| if (!foundLib) { |
| obj = &(icd->layer_libs[gpu_index][i]); |
| strncpy(obj->name, (char *) pLayerNames[i].layer_name, sizeof(obj->name) - 1); |
| obj->name[sizeof(obj->name) - 1] = '\0'; |
| // Used to call: dlopen(pLayerNames[i].lib_name, RTLD_LAZY | RTLD_DEEPBIND) |
| if ((obj->lib_handle = loader_platform_open_library(pLayerNames[i].lib_name)) == NULL) { |
| loader_log(XGL_DBG_MSG_ERROR, 0, loader_platform_open_library_error(pLayerNames[i].lib_name)); |
| continue; |
| } else { |
| loader_log(XGL_DBG_MSG_UNKNOWN, 0, "Inserting layer %s from library %s", pLayerNames[i].layer_name, pLayerNames[i].lib_name); |
| } |
| free(pLayerNames[i].layer_name); |
| icd->layer_count[gpu_index]++; |
| } |
| } |
| } |
| |
| static bool find_layer_name(struct loader_icd *icd, uint32_t gpu_index, const char * layer_name, const char **lib_name) |
| { |
| loader_platform_dl_handle handle; |
| xglEnumerateLayersType fpEnumerateLayers; |
| char layer_buf[16][256]; |
| char * layers[16]; |
| |
| for (int i = 0; i < 16; i++) |
| layers[i] = &layer_buf[i][0]; |
| |
| for (unsigned int j = 0; j < loader.scanned_layer_count; j++) { |
| *lib_name = loader.scanned_layer_names[j]; |
| // Used to call: dlopen(*lib_name, RTLD_LAZY) |
| if ((handle = loader_platform_open_library(*lib_name)) == NULL) |
| continue; |
| if ((fpEnumerateLayers = (xglEnumerateLayersType) loader_platform_get_proc_address(handle, "xglEnumerateLayers")) == NULL) { |
| char * lib_str = malloc(strlen(*lib_name) + 1 + strlen(layer_name)); |
| //use default layer name |
| snprintf(lib_str, strlen(*lib_name) + strlen(layer_name), |
| XGL_DRIVER_LIBRARY_PREFIX "%s" XGL_LIBRARY_SUFFIX, |
| layer_name); |
| loader_platform_close_library(handle); |
| if (!strcmp(*lib_name, lib_str)) { |
| free(lib_str); |
| return true; |
| } |
| else { |
| free(lib_str); |
| continue; |
| } |
| } |
| else { |
| size_t cnt; |
| fpEnumerateLayers(NULL, 16, 256, &cnt, layers, (char *) icd->gpus + gpu_index); |
| for (unsigned int i = 0; i < cnt; i++) { |
| if (!strcmp((char *) layers[i], layer_name)) { |
| loader_platform_close_library(handle); |
| return true; |
| } |
| } |
| } |
| |
| loader_platform_close_library(handle); |
| } |
| |
| return false; |
| } |
| |
| static uint32_t loader_get_layer_env(struct loader_icd *icd, uint32_t gpu_index, struct layer_name_pair *pLayerNames) |
| { |
| char *layerEnv; |
| uint32_t len, count = 0; |
| char *p, *pOrig, *next, *name; |
| |
| #if defined(WIN32) |
| layerEnv = loader_get_registry_and_env(LAYER_NAMES_ENV, |
| LAYER_NAMES_REGISTRY_VALUE); |
| #else // WIN32 |
| layerEnv = getenv(LAYER_NAMES_ENV); |
| #endif // WIN32 |
| if (layerEnv == NULL) { |
| return 0; |
| } |
| p = malloc(strlen(layerEnv) + 1); |
| if (p == NULL) { |
| #if defined(WIN32) |
| free(layerEnv); |
| #endif // WIN32 |
| return 0; |
| } |
| strcpy(p, layerEnv); |
| #if defined(WIN32) |
| free(layerEnv); |
| #endif // WIN32 |
| pOrig = p; |
| |
| while (p && *p && count < MAX_LAYER_LIBRARIES) { |
| const char *lib_name = NULL; |
| next = strchr(p, PATH_SEPERATOR); |
| if (next == NULL) { |
| len = (uint32_t) strlen(p); |
| next = p + len; |
| } |
| else { |
| len = (uint32_t) (next - p); |
| *(char *) next = '\0'; |
| next++; |
| } |
| name = basename(p); |
| if (!find_layer_name(icd, gpu_index, name, &lib_name)) { |
| p = next; |
| continue; |
| } |
| |
| len = (uint32_t) strlen(name); |
| pLayerNames[count].layer_name = malloc(len + 1); |
| if (!pLayerNames[count].layer_name) { |
| free(pOrig); |
| return count; |
| } |
| strncpy((char *) pLayerNames[count].layer_name, name, len); |
| pLayerNames[count].layer_name[len] = '\0'; |
| pLayerNames[count].lib_name = lib_name; |
| count++; |
| p = next; |
| |
| }; |
| |
| free(pOrig); |
| return count; |
| } |
| |
| static uint32_t loader_get_layer_libs(struct loader_icd *icd, uint32_t gpu_index, const XGL_DEVICE_CREATE_INFO* pCreateInfo, struct layer_name_pair **ppLayerNames) |
| { |
| static struct layer_name_pair layerNames[MAX_LAYER_LIBRARIES]; |
| int env_layer_count = 0; |
| |
| *ppLayerNames = &layerNames[0]; |
| /* Load any layers specified in the environment first */ |
| env_layer_count = loader_get_layer_env(icd, gpu_index, layerNames); |
| |
| const XGL_LAYER_CREATE_INFO *pCi = |
| (const XGL_LAYER_CREATE_INFO *) pCreateInfo->pNext; |
| |
| while (pCi) { |
| if (pCi->sType == XGL_STRUCTURE_TYPE_LAYER_CREATE_INFO) { |
| const char *name; |
| uint32_t len, j = 0; |
| for (uint32_t i = env_layer_count; i < (env_layer_count + pCi->layerCount); i++) { |
| const char * lib_name = NULL; |
| name = *(pCi->ppActiveLayerNames + j); |
| if (!find_layer_name(icd, gpu_index, name, &lib_name)) { |
| return i; |
| } |
| len = (uint32_t) strlen(name); |
| layerNames[i].layer_name = malloc(len + 1); |
| if (!layerNames[i].layer_name) |
| return i; |
| strncpy((char *) layerNames[i].layer_name, name, len); |
| layerNames[i].layer_name[len] = '\0'; |
| layerNames[i].lib_name = lib_name; |
| j++; |
| } |
| return pCi->layerCount + env_layer_count; |
| } |
| pCi = pCi->pNext; |
| } |
| return env_layer_count; |
| } |
| |
| static void loader_deactivate_layer(const struct loader_instance *instance) |
| { |
| struct loader_icd *icd; |
| struct loader_layers *libs; |
| |
| for (icd = instance->icds; icd; icd = icd->next) { |
| if (icd->gpus) |
| free(icd->gpus); |
| icd->gpus = NULL; |
| if (icd->loader_dispatch) |
| free(icd->loader_dispatch); |
| icd->loader_dispatch = NULL; |
| for (uint32_t j = 0; j < icd->gpu_count; j++) { |
| if (icd->layer_count[j] > 0) { |
| for (uint32_t i = 0; i < icd->layer_count[j]; i++) { |
| libs = &(icd->layer_libs[j][i]); |
| if (libs->lib_handle) |
| loader_platform_close_library(libs->lib_handle); |
| libs->lib_handle = NULL; |
| } |
| if (icd->wrappedGpus[j]) |
| free(icd->wrappedGpus[j]); |
| } |
| icd->layer_count[j] = 0; |
| } |
| icd->gpu_count = 0; |
| } |
| } |
| |
| extern uint32_t loader_activate_layers(XGL_PHYSICAL_GPU gpu, const XGL_DEVICE_CREATE_INFO* pCreateInfo) |
| { |
| uint32_t gpu_index; |
| uint32_t count; |
| struct layer_name_pair *pLayerNames; |
| struct loader_icd *icd = loader_get_icd((const XGL_BASE_LAYER_OBJECT *) gpu, &gpu_index); |
| |
| if (!icd) |
| return 0; |
| assert(gpu_index < XGL_MAX_PHYSICAL_GPUS); |
| |
| /* activate any layer libraries */ |
| if (!loader_layers_activated(icd, gpu_index)) { |
| XGL_BASE_LAYER_OBJECT *gpuObj = (XGL_BASE_LAYER_OBJECT *) gpu; |
| XGL_BASE_LAYER_OBJECT *nextGpuObj, *baseObj = gpuObj->baseObject; |
| xglGetProcAddrType nextGPA = xglGetProcAddr; |
| |
| count = loader_get_layer_libs(icd, gpu_index, pCreateInfo, &pLayerNames); |
| if (!count) |
| return 0; |
| loader_init_layer_libs(icd, gpu_index, pLayerNames, count); |
| |
| icd->wrappedGpus[gpu_index] = malloc(sizeof(XGL_BASE_LAYER_OBJECT) * icd->layer_count[gpu_index]); |
| if (! icd->wrappedGpus[gpu_index]) |
| loader_log(XGL_DBG_MSG_ERROR, 0, "Failed to malloc Gpu objects for layer"); |
| for (int32_t i = icd->layer_count[gpu_index] - 1; i >= 0; i--) { |
| nextGpuObj = (icd->wrappedGpus[gpu_index] + i); |
| nextGpuObj->pGPA = nextGPA; |
| nextGpuObj->baseObject = baseObj; |
| nextGpuObj->nextObject = gpuObj; |
| gpuObj = nextGpuObj; |
| |
| char funcStr[256]; |
| snprintf(funcStr, 256, "%sGetProcAddr",icd->layer_libs[gpu_index][i].name); |
| if ((nextGPA = (xglGetProcAddrType) loader_platform_get_proc_address(icd->layer_libs[gpu_index][i].lib_handle, funcStr)) == NULL) |
| nextGPA = (xglGetProcAddrType) loader_platform_get_proc_address(icd->layer_libs[gpu_index][i].lib_handle, "xglGetProcAddr"); |
| if (!nextGPA) { |
| loader_log(XGL_DBG_MSG_ERROR, 0, "Failed to find xglGetProcAddr in layer %s", icd->layer_libs[gpu_index][i].name); |
| continue; |
| } |
| |
| if (i == 0) { |
| loader_init_dispatch_table(icd->loader_dispatch + gpu_index, nextGPA, gpuObj); |
| //Insert the new wrapped objects into the list with loader object at head |
| ((XGL_BASE_LAYER_OBJECT *) gpu)->nextObject = gpuObj; |
| ((XGL_BASE_LAYER_OBJECT *) gpu)->pGPA = nextGPA; |
| gpuObj = icd->wrappedGpus[gpu_index] + icd->layer_count[gpu_index] - 1; |
| gpuObj->nextObject = baseObj; |
| gpuObj->pGPA = icd->scanned_icds->GetProcAddr; |
| } |
| |
| } |
| } |
| else { |
| //make sure requested Layers matches currently activated Layers |
| count = loader_get_layer_libs(icd, gpu_index, pCreateInfo, &pLayerNames); |
| for (uint32_t i = 0; i < count; i++) { |
| if (strcmp(icd->layer_libs[gpu_index][i].name, pLayerNames[i].layer_name)) { |
| loader_log(XGL_DBG_MSG_ERROR, 0, "Layers activated != Layers requested"); |
| break; |
| } |
| } |
| if (count != icd->layer_count[gpu_index]) { |
| loader_log(XGL_DBG_MSG_ERROR, 0, "Number of Layers activated != number requested"); |
| } |
| } |
| return icd->layer_count[gpu_index]; |
| } |
| |
| LOADER_EXPORT XGL_RESULT XGLAPI xglCreateInstance( |
| const XGL_APPLICATION_INFO* pAppInfo, |
| const XGL_ALLOC_CALLBACKS* pAllocCb, |
| XGL_INSTANCE* pInstance) |
| { |
| static LOADER_PLATFORM_THREAD_ONCE_DECLARATION(once_icd); |
| static LOADER_PLATFORM_THREAD_ONCE_DECLARATION(once_layer); |
| struct loader_instance *ptr_instance = NULL; |
| struct loader_scanned_icds *scanned_icds; |
| struct loader_icd *icd; |
| XGL_RESULT res = XGL_ERROR_INITIALIZATION_FAILED; |
| |
| /* Scan/discover all ICD libraries in a single-threaded manner */ |
| loader_platform_thread_once(&once_icd, loader_icd_scan); |
| |
| /* get layer libraries in a single-threaded manner */ |
| loader_platform_thread_once(&once_layer, layer_lib_scan); |
| |
| ptr_instance = (struct loader_instance*) malloc(sizeof(struct loader_instance)); |
| if (ptr_instance == NULL) { |
| return XGL_ERROR_OUT_OF_MEMORY; |
| } |
| memset(ptr_instance, 0, sizeof(struct loader_instance)); |
| |
| ptr_instance->next = loader.instances; |
| loader.instances = ptr_instance; |
| |
| scanned_icds = loader.scanned_icd_list; |
| while (scanned_icds) { |
| icd = loader_icd_add(ptr_instance, scanned_icds); |
| if (icd) { |
| res = scanned_icds->CreateInstance(pAppInfo, pAllocCb, |
| &(scanned_icds->instance)); |
| if (res != XGL_SUCCESS) |
| { |
| ptr_instance->icds = ptr_instance->icds->next; |
| loader_icd_destroy(icd); |
| scanned_icds->instance = NULL; |
| loader_log(XGL_DBG_MSG_WARNING, 0, |
| "ICD ignored: failed to CreateInstance on device"); |
| } |
| } |
| scanned_icds = scanned_icds->next; |
| } |
| |
| if (ptr_instance->icds == NULL) { |
| return XGL_ERROR_INCOMPATIBLE_DRIVER; |
| } |
| |
| *pInstance = (XGL_INSTANCE) ptr_instance; |
| return XGL_SUCCESS; |
| } |
| |
| LOADER_EXPORT XGL_RESULT XGLAPI xglDestroyInstance( |
| XGL_INSTANCE instance) |
| { |
| struct loader_instance *ptr_instance = (struct loader_instance *) instance; |
| struct loader_scanned_icds *scanned_icds; |
| XGL_RESULT res; |
| |
| // Remove this instance from the list of instances: |
| struct loader_instance *prev = NULL; |
| struct loader_instance *next = loader.instances; |
| while (next != NULL) { |
| if (next == ptr_instance) { |
| // Remove this instance from the list: |
| if (prev) |
| prev->next = next->next; |
| else |
| loader.instances = next->next; |
| break; |
| } |
| prev = next; |
| next = next->next; |
| } |
| if (next == NULL) { |
| // This must be an invalid instance handle or empty list |
| return XGL_ERROR_INVALID_HANDLE; |
| } |
| |
| // cleanup any prior layer initializations |
| loader_deactivate_layer(ptr_instance); |
| |
| scanned_icds = loader.scanned_icd_list; |
| while (scanned_icds) { |
| if (scanned_icds->instance) |
| res = scanned_icds->DestroyInstance(scanned_icds->instance); |
| if (res != XGL_SUCCESS) |
| loader_log(XGL_DBG_MSG_WARNING, 0, |
| "ICD ignored: failed to DestroyInstance on device"); |
| scanned_icds->instance = NULL; |
| scanned_icds = scanned_icds->next; |
| } |
| |
| free(ptr_instance); |
| |
| return XGL_SUCCESS; |
| } |
| |
| LOADER_EXPORT XGL_RESULT XGLAPI xglEnumerateGpus( |
| |
| XGL_INSTANCE instance, |
| uint32_t maxGpus, |
| uint32_t* pGpuCount, |
| XGL_PHYSICAL_GPU* pGpus) |
| { |
| struct loader_instance *ptr_instance = (struct loader_instance *) instance; |
| struct loader_icd *icd; |
| uint32_t count = 0; |
| XGL_RESULT res; |
| |
| //in spirit of XGL don't error check on the instance parameter |
| icd = ptr_instance->icds; |
| while (icd) { |
| XGL_PHYSICAL_GPU gpus[XGL_MAX_PHYSICAL_GPUS]; |
| XGL_BASE_LAYER_OBJECT * wrapped_gpus; |
| xglGetProcAddrType get_proc_addr = icd->scanned_icds->GetProcAddr; |
| uint32_t n, max = maxGpus - count; |
| |
| if (max > XGL_MAX_PHYSICAL_GPUS) { |
| max = XGL_MAX_PHYSICAL_GPUS; |
| } |
| |
| res = icd->scanned_icds->EnumerateGpus(icd->scanned_icds->instance, |
| max, &n, |
| gpus); |
| if (res == XGL_SUCCESS && n) { |
| wrapped_gpus = (XGL_BASE_LAYER_OBJECT*) malloc(n * |
| sizeof(XGL_BASE_LAYER_OBJECT)); |
| icd->gpus = wrapped_gpus; |
| icd->gpu_count = n; |
| icd->loader_dispatch = (XGL_LAYER_DISPATCH_TABLE *) malloc(n * |
| sizeof(XGL_LAYER_DISPATCH_TABLE)); |
| for (unsigned int i = 0; i < n; i++) { |
| (wrapped_gpus + i)->baseObject = gpus[i]; |
| (wrapped_gpus + i)->pGPA = get_proc_addr; |
| (wrapped_gpus + i)->nextObject = gpus[i]; |
| memcpy(pGpus + count, &wrapped_gpus, sizeof(*pGpus)); |
| loader_init_dispatch_table(icd->loader_dispatch + i, |
| get_proc_addr, gpus[i]); |
| |
| /* Verify ICD compatibility */ |
| if (!valid_loader_magic_value(gpus[i])) { |
| loader_log(XGL_DBG_MSG_WARNING, 0, |
| "Loader: Incompatible ICD, first dword must be initialized to ICD_LOADER_MAGIC. See loader/README.md for details.\n"); |
| assert(0); |
| } |
| |
| const XGL_LAYER_DISPATCH_TABLE **disp; |
| disp = (const XGL_LAYER_DISPATCH_TABLE **) gpus[i]; |
| *disp = icd->loader_dispatch + i; |
| } |
| |
| if (loader_icd_set_global_options(icd) != XGL_SUCCESS || |
| loader_icd_register_msg_callbacks(icd) != XGL_SUCCESS) { |
| loader_log(XGL_DBG_MSG_WARNING, 0, |
| "ICD ignored: failed to migrate settings"); |
| loader_icd_destroy(icd); |
| } |
| count += n; |
| |
| if (count >= maxGpus) { |
| break; |
| } |
| } |
| |
| icd = icd->next; |
| } |
| |
| /* we have nothing to log anymore */ |
| loader_msg_callback_clear(); |
| |
| *pGpuCount = count; |
| |
| return (count > 0) ? XGL_SUCCESS : res; |
| } |
| |
| LOADER_EXPORT void * XGLAPI xglGetProcAddr(XGL_PHYSICAL_GPU gpu, const char * pName) |
| { |
| if (gpu == NULL) { |
| return NULL; |
| } |
| XGL_BASE_LAYER_OBJECT* gpuw = (XGL_BASE_LAYER_OBJECT *) gpu; |
| XGL_LAYER_DISPATCH_TABLE * disp_table = * (XGL_LAYER_DISPATCH_TABLE **) gpuw->baseObject; |
| void *addr; |
| |
| if (disp_table == NULL) |
| return NULL; |
| |
| addr = loader_lookup_dispatch_table(disp_table, pName); |
| if (addr) |
| return addr; |
| else { |
| if (disp_table->GetProcAddr == NULL) |
| return NULL; |
| return disp_table->GetProcAddr(gpuw->nextObject, pName); |
| } |
| } |
| |
| LOADER_EXPORT XGL_RESULT XGLAPI xglEnumerateLayers(XGL_PHYSICAL_GPU gpu, size_t maxLayerCount, size_t maxStringSize, size_t* pOutLayerCount, char* const* pOutLayers, void* pReserved) |
| { |
| uint32_t gpu_index; |
| size_t count = 0; |
| char *lib_name; |
| struct loader_icd *icd = loader_get_icd((const XGL_BASE_LAYER_OBJECT *) gpu, &gpu_index); |
| loader_platform_dl_handle handle; |
| xglEnumerateLayersType fpEnumerateLayers; |
| char layer_buf[16][256]; |
| char * layers[16]; |
| |
| if (pOutLayerCount == NULL || pOutLayers == NULL) |
| return XGL_ERROR_INVALID_POINTER; |
| |
| if (!icd) |
| return XGL_ERROR_UNAVAILABLE; |
| |
| for (int i = 0; i < 16; i++) |
| layers[i] = &layer_buf[i][0]; |
| |
| for (unsigned int j = 0; j < loader.scanned_layer_count && count < maxLayerCount; j++) { |
| lib_name = loader.scanned_layer_names[j]; |
| // Used to call: dlopen(*lib_name, RTLD_LAZY) |
| if ((handle = loader_platform_open_library(lib_name)) == NULL) |
| continue; |
| if ((fpEnumerateLayers = loader_platform_get_proc_address(handle, "xglEnumerateLayers")) == NULL) { |
| //use default layer name based on library name XGL_LAYER_LIBRARY_PREFIX<name>.XGL_LIBRARY_SUFFIX |
| char *pEnd, *cpyStr; |
| size_t siz; |
| loader_platform_close_library(handle); |
| lib_name = basename(lib_name); |
| pEnd = strrchr(lib_name, '.'); |
| siz = (int) (pEnd - lib_name - strlen(XGL_LAYER_LIBRARY_PREFIX) + 1); |
| if (pEnd == NULL || siz <= 0) |
| continue; |
| cpyStr = malloc(siz); |
| if (cpyStr == NULL) { |
| free(cpyStr); |
| continue; |
| } |
| strncpy(cpyStr, lib_name + strlen(XGL_LAYER_LIBRARY_PREFIX), siz); |
| cpyStr[siz - 1] = '\0'; |
| if (siz > maxStringSize) |
| siz = (int) maxStringSize; |
| strncpy((char *) (pOutLayers[count]), cpyStr, siz); |
| pOutLayers[count][siz - 1] = '\0'; |
| count++; |
| free(cpyStr); |
| } |
| else { |
| size_t cnt; |
| uint32_t n; |
| XGL_RESULT res; |
| n = (uint32_t) ((maxStringSize < 256) ? maxStringSize : 256); |
| res = fpEnumerateLayers(NULL, 16, n, &cnt, layers, (char *) icd->gpus + gpu_index); |
| loader_platform_close_library(handle); |
| if (res != XGL_SUCCESS) |
| continue; |
| if (cnt + count > maxLayerCount) |
| cnt = maxLayerCount - count; |
| for (uint32_t i = (uint32_t) count; i < cnt + count; i++) { |
| strncpy((char *) (pOutLayers[i]), (char *) layers[i - count], n); |
| if (n > 0) |
| pOutLayers[i - count][n - 1] = '\0'; |
| } |
| count += cnt; |
| } |
| } |
| |
| *pOutLayerCount = count; |
| |
| return XGL_SUCCESS; |
| } |
| |
| LOADER_EXPORT XGL_RESULT XGLAPI xglDbgRegisterMsgCallback(XGL_DBG_MSG_CALLBACK_FUNCTION pfnMsgCallback, void* pUserData) |
| { |
| const struct loader_icd *icd; |
| struct loader_instance *inst; |
| XGL_RESULT res; |
| uint32_t gpu_idx; |
| |
| if (!loader.icds_scanned) { |
| return loader_msg_callback_add(pfnMsgCallback, pUserData); |
| } |
| |
| for (inst = loader.instances; inst; inst = inst->next) { |
| for (icd = inst->icds; icd; icd = icd->next) { |
| for (uint32_t i = 0; i < icd->gpu_count; i++) { |
| res = (icd->loader_dispatch + i)->DbgRegisterMsgCallback( |
| pfnMsgCallback, pUserData); |
| if (res != XGL_SUCCESS) { |
| gpu_idx = i; |
| break; |
| } |
| } |
| if (res != XGL_SUCCESS) |
| break; |
| } |
| if (res != XGL_SUCCESS) |
| break; |
| } |
| |
| /* roll back on errors */ |
| if (icd) { |
| for (struct loader_instance *tmp_inst = loader.instances; |
| tmp_inst != inst; tmp_inst = tmp_inst->next) { |
| for (const struct loader_icd * tmp = tmp_inst->icds; tmp != icd; |
| tmp = tmp->next) { |
| for (uint32_t i = 0; i < icd->gpu_count; i++) |
| (tmp->loader_dispatch + i)->DbgUnregisterMsgCallback(pfnMsgCallback); |
| } |
| } |
| /* and gpus on current icd */ |
| for (uint32_t i = 0; i < gpu_idx; i++) |
| (icd->loader_dispatch + i)->DbgUnregisterMsgCallback(pfnMsgCallback); |
| |
| return res; |
| } |
| |
| return XGL_SUCCESS; |
| } |
| |
| LOADER_EXPORT XGL_RESULT XGLAPI xglDbgUnregisterMsgCallback(XGL_DBG_MSG_CALLBACK_FUNCTION pfnMsgCallback) |
| { |
| XGL_RESULT res = XGL_SUCCESS; |
| |
| if (!loader.icds_scanned) { |
| return loader_msg_callback_remove(pfnMsgCallback); |
| } |
| |
| for (struct loader_instance *inst = loader.instances; inst; |
| inst = inst->next) { |
| for (const struct loader_icd * icd = inst->icds; icd; |
| icd = icd->next) { |
| for (uint32_t i = 0; i < icd->gpu_count; i++) { |
| XGL_RESULT r; |
| r = (icd->loader_dispatch + i)->DbgUnregisterMsgCallback(pfnMsgCallback); |
| if (r != XGL_SUCCESS) { |
| res = r; |
| } |
| } |
| } |
| } |
| return res; |
| } |
| |
| LOADER_EXPORT XGL_RESULT XGLAPI xglDbgSetGlobalOption(XGL_DBG_GLOBAL_OPTION dbgOption, size_t dataSize, const void* pData) |
| { |
| XGL_RESULT res = XGL_SUCCESS; |
| |
| if (!loader.icds_scanned) { |
| if (dataSize == 0) |
| return XGL_ERROR_INVALID_VALUE; |
| |
| switch (dbgOption) { |
| case XGL_DBG_OPTION_DEBUG_ECHO_ENABLE: |
| loader.debug_echo_enable = *((const bool *) pData); |
| break; |
| case XGL_DBG_OPTION_BREAK_ON_ERROR: |
| loader.break_on_error = *((const bool *) pData); |
| break; |
| case XGL_DBG_OPTION_BREAK_ON_WARNING: |
| loader.break_on_warning = *((const bool *) pData); |
| break; |
| default: |
| res = XGL_ERROR_INVALID_VALUE; |
| break; |
| } |
| |
| return res; |
| } |
| |
| for (struct loader_instance *inst = loader.instances; inst; |
| inst = inst->next) { |
| for (const struct loader_icd * icd = inst->icds; icd; |
| icd = icd->next) { |
| for (uint32_t i = 0; i < icd->gpu_count; i++) { |
| XGL_RESULT r; |
| r = (icd->loader_dispatch + i)->DbgSetGlobalOption(dbgOption, |
| dataSize, pData); |
| /* unfortunately we cannot roll back */ |
| if (r != XGL_SUCCESS) { |
| res = r; |
| } |
| } |
| } |
| } |
| |
| return res; |
| } |