1 /*
2 * Copyright © 2016 Red Hat.
3 * Copyright © 2016 Bas Nieuwenhuizen
4 *
5 * based in part on anv driver which is:
6 * Copyright © 2015 Intel Corporation
7 *
8 * Permission is hereby granted, free of charge, to any person obtaining a
9 * copy of this software and associated documentation files (the "Software"),
10 * to deal in the Software without restriction, including without limitation
11 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12 * and/or sell copies of the Software, and to permit persons to whom the
13 * Software is furnished to do so, subject to the following conditions:
14 *
15 * The above copyright notice and this permission notice (including the next
16 * paragraph) shall be included in all copies or substantial portions of the
17 * Software.
18 *
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
22 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
23 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
24 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
25 * IN THE SOFTWARE.
26 */
27
28 #include "radv_debug.h"
29 #include "radv_private.h"
30
31 #include "util/driconf.h"
32
33 #include "vk_instance.h"
34 #include "vk_util.h"
35
36 static const struct debug_control radv_debug_options[] = {{"nofastclears", RADV_DEBUG_NO_FAST_CLEARS},
37 {"nodcc", RADV_DEBUG_NO_DCC},
38 {"shaders", RADV_DEBUG_DUMP_SHADERS},
39 {"nocache", RADV_DEBUG_NO_CACHE},
40 {"shaderstats", RADV_DEBUG_DUMP_SHADER_STATS},
41 {"nohiz", RADV_DEBUG_NO_HIZ},
42 {"nocompute", RADV_DEBUG_NO_COMPUTE_QUEUE},
43 {"allbos", RADV_DEBUG_ALL_BOS},
44 {"noibs", RADV_DEBUG_NO_IBS},
45 {"spirv", RADV_DEBUG_DUMP_SPIRV},
46 {"zerovram", RADV_DEBUG_ZERO_VRAM},
47 {"syncshaders", RADV_DEBUG_SYNC_SHADERS},
48 {"preoptir", RADV_DEBUG_PREOPTIR},
49 {"nodynamicbounds", RADV_DEBUG_NO_DYNAMIC_BOUNDS},
50 {"info", RADV_DEBUG_INFO},
51 {"startup", RADV_DEBUG_STARTUP},
52 {"checkir", RADV_DEBUG_CHECKIR},
53 {"nobinning", RADV_DEBUG_NOBINNING},
54 {"nongg", RADV_DEBUG_NO_NGG},
55 {"metashaders", RADV_DEBUG_DUMP_META_SHADERS},
56 {"nomemorycache", RADV_DEBUG_NO_MEMORY_CACHE},
57 {"discardtodemote", RADV_DEBUG_DISCARD_TO_DEMOTE},
58 {"llvm", RADV_DEBUG_LLVM},
59 {"forcecompress", RADV_DEBUG_FORCE_COMPRESS},
60 {"hang", RADV_DEBUG_HANG},
61 {"img", RADV_DEBUG_IMG},
62 {"noumr", RADV_DEBUG_NO_UMR},
63 {"invariantgeom", RADV_DEBUG_INVARIANT_GEOM},
64 {"splitfma", RADV_DEBUG_SPLIT_FMA},
65 {"nodisplaydcc", RADV_DEBUG_NO_DISPLAY_DCC},
66 {"notccompatcmask", RADV_DEBUG_NO_TC_COMPAT_CMASK},
67 {"novrsflatshading", RADV_DEBUG_NO_VRS_FLAT_SHADING},
68 {"noatocdithering", RADV_DEBUG_NO_ATOC_DITHERING},
69 {"nonggc", RADV_DEBUG_NO_NGGC},
70 {"prologs", RADV_DEBUG_DUMP_PROLOGS},
71 {"nodma", RADV_DEBUG_NO_DMA_BLIT},
72 {"epilogs", RADV_DEBUG_DUMP_EPILOGS},
73 {"nofmask", RADV_DEBUG_NO_FMASK},
74 {"shadowregs", RADV_DEBUG_SHADOW_REGS},
75 {"extra_md", RADV_DEBUG_EXTRA_MD},
76 {"nogpl", RADV_DEBUG_NO_GPL},
77 {"videoarraypath", RADV_DEBUG_VIDEO_ARRAY_PATH},
78 {"nort", RADV_DEBUG_NO_RT},
79 {"nomeshshader", RADV_DEBUG_NO_MESH_SHADER},
80 {"nongg_gs", RADV_DEBUG_NO_NGG_GS},
81 {"nogsfastlaunch2", RADV_DEBUG_NO_GS_FAST_LAUNCH_2},
82 {NULL, 0}};
83
84 const char *
radv_get_debug_option_name(int id)85 radv_get_debug_option_name(int id)
86 {
87 assert(id < ARRAY_SIZE(radv_debug_options) - 1);
88 return radv_debug_options[id].string;
89 }
90
91 static const struct debug_control radv_perftest_options[] = {{"localbos", RADV_PERFTEST_LOCAL_BOS},
92 {"dccmsaa", RADV_PERFTEST_DCC_MSAA},
93 {"bolist", RADV_PERFTEST_BO_LIST},
94 {"cswave32", RADV_PERFTEST_CS_WAVE_32},
95 {"pswave32", RADV_PERFTEST_PS_WAVE_32},
96 {"gewave32", RADV_PERFTEST_GE_WAVE_32},
97 {"nosam", RADV_PERFTEST_NO_SAM},
98 {"sam", RADV_PERFTEST_SAM},
99 {"nggc", RADV_PERFTEST_NGGC},
100 {"emulate_rt", RADV_PERFTEST_EMULATE_RT},
101 {"rtwave64", RADV_PERFTEST_RT_WAVE_64},
102 {"video_decode", RADV_PERFTEST_VIDEO_DECODE},
103 {"dmashaders", RADV_PERFTEST_DMA_SHADERS},
104 {"transfer_queue", RADV_PERFTEST_TRANSFER_QUEUE},
105 {"shader_object", RADV_PERFTEST_SHADER_OBJECT},
106 {"nircache", RADV_PERFTEST_NIR_CACHE},
107 {"rtwave32", RADV_PERFTEST_RT_WAVE_32},
108 {NULL, 0}};
109
110 const char *
radv_get_perftest_option_name(int id)111 radv_get_perftest_option_name(int id)
112 {
113 assert(id < ARRAY_SIZE(radv_perftest_options) - 1);
114 return radv_perftest_options[id].string;
115 }
116
117 static const struct debug_control trace_options[] = {
118 {"rgp", RADV_TRACE_MODE_RGP},
119 {"rra", RADV_TRACE_MODE_RRA},
120 {"ctxroll", RADV_TRACE_MODE_CTX_ROLLS},
121 {NULL, 0},
122 };
123
124 // clang-format off
125 static const driOptionDescription radv_dri_options[] = {
126 DRI_CONF_SECTION_PERFORMANCE
127 DRI_CONF_ADAPTIVE_SYNC(true)
128 DRI_CONF_VK_X11_OVERRIDE_MIN_IMAGE_COUNT(0)
129 DRI_CONF_VK_X11_STRICT_IMAGE_COUNT(false)
130 DRI_CONF_VK_X11_ENSURE_MIN_IMAGE_COUNT(false)
131 DRI_CONF_VK_KHR_PRESENT_WAIT(false)
132 DRI_CONF_VK_XWAYLAND_WAIT_READY(false)
133 DRI_CONF_RADV_REPORT_LLVM9_VERSION_STRING(false)
134 DRI_CONF_RADV_ENABLE_MRT_OUTPUT_NAN_FIXUP(false)
135 DRI_CONF_RADV_DISABLE_SHRINK_IMAGE_STORE(false)
136 DRI_CONF_RADV_NO_DYNAMIC_BOUNDS(false)
137 DRI_CONF_RADV_OVERRIDE_UNIFORM_OFFSET_ALIGNMENT(0)
138 DRI_CONF_RADV_CLEAR_LDS(false)
139 DRI_CONF_RADV_DISABLE_NGG_GS(false)
140 DRI_CONF_SECTION_END
141
142 DRI_CONF_SECTION_DEBUG
143 DRI_CONF_OVERRIDE_VRAM_SIZE()
144 DRI_CONF_VK_WSI_FORCE_BGRA8_UNORM_FIRST(false)
145 DRI_CONF_VK_WSI_FORCE_SWAPCHAIN_TO_CURRENT_EXTENT(false)
146 DRI_CONF_VK_X11_IGNORE_SUBOPTIMAL(false)
147 DRI_CONF_VK_REQUIRE_ETC2(false)
148 DRI_CONF_VK_REQUIRE_ASTC(false)
149 DRI_CONF_RADV_ZERO_VRAM(false)
150 DRI_CONF_RADV_LOWER_DISCARD_TO_DEMOTE(false)
151 DRI_CONF_RADV_INVARIANT_GEOM(false)
152 DRI_CONF_RADV_SPLIT_FMA(false)
153 DRI_CONF_RADV_DISABLE_TC_COMPAT_HTILE_GENERAL(false)
154 DRI_CONF_RADV_DISABLE_DCC(false)
155 DRI_CONF_RADV_DISABLE_ANISO_SINGLE_LEVEL(false)
156 DRI_CONF_RADV_DISABLE_TRUNC_COORD(false)
157 DRI_CONF_RADV_DISABLE_SINKING_LOAD_INPUT_FS(false)
158 DRI_CONF_RADV_DGC(false)
159 DRI_CONF_RADV_FLUSH_BEFORE_QUERY_COPY(false)
160 DRI_CONF_RADV_ENABLE_UNIFIED_HEAP_ON_APU(false)
161 DRI_CONF_RADV_TEX_NON_UNIFORM(false)
162 DRI_CONF_RADV_FLUSH_BEFORE_TIMESTAMP_WRITE(false)
163 DRI_CONF_RADV_RT_WAVE64(false)
164 DRI_CONF_RADV_LEGACY_SPARSE_BINDING(false)
165 DRI_CONF_DUAL_COLOR_BLEND_BY_LOCATION(false)
166 DRI_CONF_RADV_OVERRIDE_GRAPHICS_SHADER_VERSION(0)
167 DRI_CONF_RADV_OVERRIDE_COMPUTE_SHADER_VERSION(0)
168 DRI_CONF_RADV_OVERRIDE_RAY_TRACING_SHADER_VERSION(0)
169 DRI_CONF_RADV_SSBO_NON_UNIFORM(false)
170 DRI_CONF_RADV_FORCE_ACTIVE_ACCEL_STRUCT_LEAVES(false)
171 DRI_CONF_RADV_APP_LAYER()
172 DRI_CONF_SECTION_END
173 };
174 // clang-format on
175
176 static void
radv_init_dri_options(struct radv_instance * instance)177 radv_init_dri_options(struct radv_instance *instance)
178 {
179 driParseOptionInfo(&instance->drirc.available_options, radv_dri_options, ARRAY_SIZE(radv_dri_options));
180 driParseConfigFiles(&instance->drirc.options, &instance->drirc.available_options, 0, "radv", NULL, NULL,
181 instance->vk.app_info.app_name, instance->vk.app_info.app_version,
182 instance->vk.app_info.engine_name, instance->vk.app_info.engine_version);
183
184 instance->drirc.enable_mrt_output_nan_fixup =
185 driQueryOptionb(&instance->drirc.options, "radv_enable_mrt_output_nan_fixup");
186
187 instance->drirc.disable_shrink_image_store =
188 driQueryOptionb(&instance->drirc.options, "radv_disable_shrink_image_store");
189
190 instance->drirc.disable_tc_compat_htile_in_general =
191 driQueryOptionb(&instance->drirc.options, "radv_disable_tc_compat_htile_general");
192
193 if (driQueryOptionb(&instance->drirc.options, "radv_no_dynamic_bounds"))
194 instance->debug_flags |= RADV_DEBUG_NO_DYNAMIC_BOUNDS;
195
196 if (driQueryOptionb(&instance->drirc.options, "radv_lower_discard_to_demote"))
197 instance->debug_flags |= RADV_DEBUG_DISCARD_TO_DEMOTE;
198
199 if (driQueryOptionb(&instance->drirc.options, "radv_invariant_geom"))
200 instance->debug_flags |= RADV_DEBUG_INVARIANT_GEOM;
201
202 if (driQueryOptionb(&instance->drirc.options, "radv_split_fma"))
203 instance->debug_flags |= RADV_DEBUG_SPLIT_FMA;
204
205 if (driQueryOptionb(&instance->drirc.options, "radv_disable_dcc"))
206 instance->debug_flags |= RADV_DEBUG_NO_DCC;
207
208 if (driQueryOptionb(&instance->drirc.options, "radv_disable_ngg_gs"))
209 instance->debug_flags |= RADV_DEBUG_NO_NGG_GS;
210
211 instance->drirc.clear_lds = driQueryOptionb(&instance->drirc.options, "radv_clear_lds");
212
213 instance->drirc.zero_vram = driQueryOptionb(&instance->drirc.options, "radv_zero_vram");
214
215 instance->drirc.disable_aniso_single_level =
216 driQueryOptionb(&instance->drirc.options, "radv_disable_aniso_single_level");
217
218 instance->drirc.disable_trunc_coord = driQueryOptionb(&instance->drirc.options, "radv_disable_trunc_coord");
219
220 instance->drirc.disable_sinking_load_input_fs =
221 driQueryOptionb(&instance->drirc.options, "radv_disable_sinking_load_input_fs");
222
223 instance->drirc.flush_before_query_copy = driQueryOptionb(&instance->drirc.options, "radv_flush_before_query_copy");
224
225 instance->drirc.enable_unified_heap_on_apu =
226 driQueryOptionb(&instance->drirc.options, "radv_enable_unified_heap_on_apu");
227
228 instance->drirc.tex_non_uniform = driQueryOptionb(&instance->drirc.options, "radv_tex_non_uniform");
229
230 instance->drirc.ssbo_non_uniform = driQueryOptionb(&instance->drirc.options, "radv_ssbo_non_uniform");
231
232 instance->drirc.app_layer = driQueryOptionstr(&instance->drirc.options, "radv_app_layer");
233
234 instance->drirc.flush_before_timestamp_write =
235 driQueryOptionb(&instance->drirc.options, "radv_flush_before_timestamp_write");
236
237 instance->drirc.force_rt_wave64 = driQueryOptionb(&instance->drirc.options, "radv_rt_wave64");
238
239 instance->drirc.dual_color_blend_by_location =
240 driQueryOptionb(&instance->drirc.options, "dual_color_blend_by_location");
241
242 instance->drirc.legacy_sparse_binding = driQueryOptionb(&instance->drirc.options, "radv_legacy_sparse_binding");
243
244 instance->drirc.override_graphics_shader_version =
245 driQueryOptioni(&instance->drirc.options, "radv_override_graphics_shader_version");
246 instance->drirc.override_compute_shader_version =
247 driQueryOptioni(&instance->drirc.options, "radv_override_compute_shader_version");
248 instance->drirc.override_ray_tracing_shader_version =
249 driQueryOptioni(&instance->drirc.options, "radv_override_ray_tracing_shader_version");
250
251 instance->drirc.enable_dgc = driQueryOptionb(&instance->drirc.options, "radv_dgc");
252
253 instance->drirc.override_vram_size = driQueryOptioni(&instance->drirc.options, "override_vram_size");
254
255 instance->drirc.enable_khr_present_wait = driQueryOptionb(&instance->drirc.options, "vk_khr_present_wait");
256
257 instance->drirc.override_uniform_offset_alignment =
258 driQueryOptioni(&instance->drirc.options, "radv_override_uniform_offset_alignment");
259
260 instance->drirc.report_llvm9_version_string =
261 driQueryOptionb(&instance->drirc.options, "radv_report_llvm9_version_string");
262
263 instance->drirc.vk_require_etc2 = driQueryOptionb(&instance->drirc.options, "vk_require_etc2");
264 instance->drirc.vk_require_astc = driQueryOptionb(&instance->drirc.options, "vk_require_astc");
265
266 instance->drirc.force_active_accel_struct_leaves =
267 driQueryOptionb(&instance->drirc.options, "radv_force_active_accel_struct_leaves");
268 }
269
270 static const struct vk_instance_extension_table radv_instance_extensions_supported = {
271 .KHR_device_group_creation = true,
272 .KHR_external_fence_capabilities = true,
273 .KHR_external_memory_capabilities = true,
274 .KHR_external_semaphore_capabilities = true,
275 .KHR_get_physical_device_properties2 = true,
276 .EXT_debug_report = true,
277 .EXT_debug_utils = true,
278
279 #ifdef RADV_USE_WSI_PLATFORM
280 .KHR_get_surface_capabilities2 = true,
281 .KHR_surface = true,
282 .KHR_surface_protected_capabilities = true,
283 .EXT_surface_maintenance1 = true,
284 .EXT_swapchain_colorspace = true,
285 #endif
286 #ifdef VK_USE_PLATFORM_WAYLAND_KHR
287 .KHR_wayland_surface = true,
288 #endif
289 #ifdef VK_USE_PLATFORM_XCB_KHR
290 .KHR_xcb_surface = true,
291 #endif
292 #ifdef VK_USE_PLATFORM_XLIB_KHR
293 .KHR_xlib_surface = true,
294 #endif
295 #ifdef VK_USE_PLATFORM_XLIB_XRANDR_EXT
296 .EXT_acquire_xlib_display = true,
297 #endif
298 #ifdef VK_USE_PLATFORM_DISPLAY_KHR
299 .KHR_display = true,
300 .KHR_get_display_properties2 = true,
301 .EXT_direct_mode_display = true,
302 .EXT_display_surface_counter = true,
303 .EXT_acquire_drm_display = true,
304 #endif
305 #ifndef VK_USE_PLATFORM_WIN32_KHR
306 .EXT_headless_surface = true,
307 #endif
308 };
309
310 static void
radv_handle_legacy_sqtt_trigger(struct vk_instance * instance)311 radv_handle_legacy_sqtt_trigger(struct vk_instance *instance)
312 {
313 char *trigger_file = secure_getenv("RADV_THREAD_TRACE_TRIGGER");
314 if (trigger_file) {
315 instance->trace_trigger_file = trigger_file;
316 instance->trace_mode |= RADV_TRACE_MODE_RGP;
317 fprintf(stderr, "WARNING: RADV_THREAD_TRACE_TRIGGER is deprecated, please use MESA_VK_TRACE_TRIGGER instead.\n");
318 }
319 }
320
321 VKAPI_ATTR VkResult VKAPI_CALL
radv_CreateInstance(const VkInstanceCreateInfo * pCreateInfo,const VkAllocationCallbacks * pAllocator,VkInstance * pInstance)322 radv_CreateInstance(const VkInstanceCreateInfo *pCreateInfo, const VkAllocationCallbacks *pAllocator,
323 VkInstance *pInstance)
324 {
325 struct radv_instance *instance;
326 VkResult result;
327
328 if (!pAllocator)
329 pAllocator = vk_default_allocator();
330
331 instance = vk_zalloc(pAllocator, sizeof(*instance), 8, VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE);
332 if (!instance)
333 return vk_error(NULL, VK_ERROR_OUT_OF_HOST_MEMORY);
334
335 struct vk_instance_dispatch_table dispatch_table;
336 vk_instance_dispatch_table_from_entrypoints(&dispatch_table, &radv_instance_entrypoints, true);
337 vk_instance_dispatch_table_from_entrypoints(&dispatch_table, &wsi_instance_entrypoints, false);
338
339 result =
340 vk_instance_init(&instance->vk, &radv_instance_extensions_supported, &dispatch_table, pCreateInfo, pAllocator);
341 if (result != VK_SUCCESS) {
342 vk_free(pAllocator, instance);
343 return vk_error(NULL, result);
344 }
345
346 vk_instance_add_driver_trace_modes(&instance->vk, trace_options);
347 radv_handle_legacy_sqtt_trigger(&instance->vk);
348
349 instance->debug_flags = parse_debug_string(getenv("RADV_DEBUG"), radv_debug_options);
350 instance->perftest_flags = parse_debug_string(getenv("RADV_PERFTEST"), radv_perftest_options);
351
352 /* When RADV_FORCE_FAMILY is set, the driver creates a null
353 * device that allows to test the compiler without having an
354 * AMDGPU instance.
355 */
356 if (getenv("RADV_FORCE_FAMILY"))
357 instance->vk.physical_devices.enumerate = create_null_physical_device;
358 else
359 instance->vk.physical_devices.try_create_for_drm = create_drm_physical_device;
360
361 instance->vk.physical_devices.destroy = radv_physical_device_destroy;
362
363 if (instance->debug_flags & RADV_DEBUG_STARTUP)
364 fprintf(stderr, "radv: info: Created an instance.\n");
365
366 VG(VALGRIND_CREATE_MEMPOOL(instance, 0, false));
367
368 radv_init_dri_options(instance);
369
370 *pInstance = radv_instance_to_handle(instance);
371
372 return VK_SUCCESS;
373 }
374
375 VKAPI_ATTR void VKAPI_CALL
radv_DestroyInstance(VkInstance _instance,const VkAllocationCallbacks * pAllocator)376 radv_DestroyInstance(VkInstance _instance, const VkAllocationCallbacks *pAllocator)
377 {
378 RADV_FROM_HANDLE(radv_instance, instance, _instance);
379
380 if (!instance)
381 return;
382
383 VG(VALGRIND_DESTROY_MEMPOOL(instance));
384
385 driDestroyOptionCache(&instance->drirc.options);
386 driDestroyOptionInfo(&instance->drirc.available_options);
387
388 vk_instance_finish(&instance->vk);
389 vk_free(&instance->vk.alloc, instance);
390 }
391
392 VKAPI_ATTR VkResult VKAPI_CALL
radv_EnumerateInstanceExtensionProperties(const char * pLayerName,uint32_t * pPropertyCount,VkExtensionProperties * pProperties)393 radv_EnumerateInstanceExtensionProperties(const char *pLayerName, uint32_t *pPropertyCount,
394 VkExtensionProperties *pProperties)
395 {
396 if (pLayerName)
397 return vk_error(NULL, VK_ERROR_LAYER_NOT_PRESENT);
398
399 return vk_enumerate_instance_extension_properties(&radv_instance_extensions_supported, pPropertyCount, pProperties);
400 }
401
402 VKAPI_ATTR VkResult VKAPI_CALL
radv_EnumerateInstanceVersion(uint32_t * pApiVersion)403 radv_EnumerateInstanceVersion(uint32_t *pApiVersion)
404 {
405 *pApiVersion = RADV_API_VERSION;
406 return VK_SUCCESS;
407 }
408
409 VKAPI_ATTR VkResult VKAPI_CALL
radv_EnumerateInstanceLayerProperties(uint32_t * pPropertyCount,VkLayerProperties * pProperties)410 radv_EnumerateInstanceLayerProperties(uint32_t *pPropertyCount, VkLayerProperties *pProperties)
411 {
412 if (pProperties == NULL) {
413 *pPropertyCount = 0;
414 return VK_SUCCESS;
415 }
416
417 /* None supported at this time */
418 return vk_error(NULL, VK_ERROR_LAYER_NOT_PRESENT);
419 }
420
421 VKAPI_ATTR PFN_vkVoidFunction VKAPI_CALL
radv_GetInstanceProcAddr(VkInstance _instance,const char * pName)422 radv_GetInstanceProcAddr(VkInstance _instance, const char *pName)
423 {
424 RADV_FROM_HANDLE(vk_instance, instance, _instance);
425 return vk_instance_get_proc_addr(instance, &radv_instance_entrypoints, pName);
426 }
427
428 /* Windows will use a dll definition file to avoid build errors. */
429 #ifdef _WIN32
430 #undef PUBLIC
431 #define PUBLIC
432 #endif
433
434 /* The loader wants us to expose a second GetInstanceProcAddr function
435 * to work around certain LD_PRELOAD issues seen in apps.
436 */
437 PUBLIC
438 VKAPI_ATTR PFN_vkVoidFunction VKAPI_CALL
vk_icdGetInstanceProcAddr(VkInstance instance,const char * pName)439 vk_icdGetInstanceProcAddr(VkInstance instance, const char *pName)
440 {
441 return radv_GetInstanceProcAddr(instance, pName);
442 }
443