IABSD.fr/xenocara/lib/mesa/src/vulkan/runtime/vk_shader_module.c

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• Author : jsg
  Date : 2025-06-05 11:23:11
  Hash : 67d6f117
  Message : Import Mesa 25.0.7

• lib/mesa/src/vulkan/runtime/vk_shader_module.c

• /*
   * Copyright © 2017 Intel Corporation
   *
   * 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 (including the next
   * paragraph) 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.
   */
  
  #include "vk_shader_module.h"
  
  #include "vk_alloc.h"
  #include "vk_common_entrypoints.h"
  #include "vk_device.h"
  #include "vk_log.h"
  #include "vk_nir.h"
  #include "vk_pipeline.h"
  #include "vk_util.h"
  
  void vk_shader_module_init(struct vk_device *device,
                             struct vk_shader_module *module,
                             const VkShaderModuleCreateInfo *create_info)
  {
     vk_object_base_init(device, &module->base, VK_OBJECT_TYPE_SHADER_MODULE);
  
     module->nir = NULL;
  
     module->size = create_info->codeSize;
     memcpy(module->data, create_info->pCode, module->size);
  
     _mesa_blake3_compute(module->data, module->size, module->hash);
  }
  
  VKAPI_ATTR VkResult VKAPI_CALL
  vk_common_CreateShaderModule(VkDevice _device,
                               const VkShaderModuleCreateInfo *pCreateInfo,
                               const VkAllocationCallbacks *pAllocator,
                               VkShaderModule *pShaderModule)
  {
      VK_FROM_HANDLE(vk_device, device, _device);
      struct vk_shader_module *module;
  
      assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO);
      assert(pCreateInfo->flags == 0);
  
      module = vk_alloc2(&device->alloc, pAllocator,
                         sizeof(*module) + pCreateInfo->codeSize, 8,
                         VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
      if (module == NULL)
         return VK_ERROR_OUT_OF_HOST_MEMORY;
  
      vk_shader_module_init(device, module, pCreateInfo);
  
      *pShaderModule = vk_shader_module_to_handle(module);
  
      return VK_SUCCESS;
  }
  
  const uint8_t vk_shaderModuleIdentifierAlgorithmUUID[VK_UUID_SIZE] = "MESA-BLAKE3";
  
  VKAPI_ATTR void VKAPI_CALL
  vk_common_GetShaderModuleIdentifierEXT(VkDevice _device,
                                         VkShaderModule _module,
                                         VkShaderModuleIdentifierEXT *pIdentifier)
  {
     VK_FROM_HANDLE(vk_shader_module, module, _module);
     memcpy(pIdentifier->identifier, module->hash, sizeof(module->hash));
     pIdentifier->identifierSize = sizeof(module->hash);
  }
  
  VKAPI_ATTR void VKAPI_CALL
  vk_common_GetShaderModuleCreateInfoIdentifierEXT(VkDevice _device,
                                                   const VkShaderModuleCreateInfo *pCreateInfo,
                                                   VkShaderModuleIdentifierEXT *pIdentifier)
  {
     _mesa_blake3_compute(pCreateInfo->pCode, pCreateInfo->codeSize,
                          pIdentifier->identifier);
     pIdentifier->identifierSize = sizeof(blake3_hash);
  }
  
  VKAPI_ATTR void VKAPI_CALL
  vk_common_DestroyShaderModule(VkDevice _device,
                                VkShaderModule _module,
                                const VkAllocationCallbacks *pAllocator)
  {
     VK_FROM_HANDLE(vk_device, device, _device);
     VK_FROM_HANDLE(vk_shader_module, module, _module);
  
     if (!module)
        return;
  
     /* NIR modules (which are only created internally by the driver) are not
      * dynamically allocated so we should never call this for them.
      * Instead the driver is responsible for freeing the NIR code when it is
      * no longer needed.
      */
     assert(module->nir == NULL);
  
     vk_object_free(device, pAllocator, module);
  }
  
  #define SPIR_V_MAGIC_NUMBER 0x07230203
  
  uint32_t
  vk_shader_module_spirv_version(const struct vk_shader_module *mod)
  {
     if (mod->nir != NULL)
        return 0;
  
     return vk_spirv_version((uint32_t *)mod->data, mod->size);
  }