| /* |
| * 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 "util/mesa-sha1.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" |
| |
| 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_object_alloc(device, pAllocator, |
| sizeof(*module) + pCreateInfo->codeSize, |
| VK_OBJECT_TYPE_SHADER_MODULE); |
| if (module == NULL) |
| return VK_ERROR_OUT_OF_HOST_MEMORY; |
| |
| module->size = pCreateInfo->codeSize; |
| module->nir = NULL; |
| memcpy(module->data, pCreateInfo->pCode, module->size); |
| |
| _mesa_sha1_compute(module->data, module->size, module->sha1); |
| |
| *pShaderModule = vk_shader_module_to_handle(module); |
| |
| return VK_SUCCESS; |
| } |
| |
| const uint8_t vk_shaderModuleIdentifierAlgorithmUUID[VK_UUID_SIZE] = "MESA-SHA1"; |
| |
| 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->sha1, sizeof(module->sha1)); |
| pIdentifier->identifierSize = sizeof(module->sha1); |
| } |
| |
| VKAPI_ATTR void VKAPI_CALL |
| vk_common_GetShaderModuleCreateInfoIdentifierEXT(VkDevice _device, |
| const VkShaderModuleCreateInfo *pCreateInfo, |
| VkShaderModuleIdentifierEXT *pIdentifier) |
| { |
| _mesa_sha1_compute(pCreateInfo->pCode, pCreateInfo->codeSize, |
| pIdentifier->identifier); |
| pIdentifier->identifierSize = SHA1_DIGEST_LENGTH; |
| } |
| |
| 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); |
| } |
| |
| VkResult |
| vk_shader_module_to_nir(struct vk_device *device, |
| const struct vk_shader_module *mod, |
| gl_shader_stage stage, |
| const char *entrypoint_name, |
| const VkSpecializationInfo *spec_info, |
| const struct spirv_to_nir_options *spirv_options, |
| const nir_shader_compiler_options *nir_options, |
| void *mem_ctx, nir_shader **nir_out) |
| { |
| const VkPipelineShaderStageCreateInfo info = { |
| .sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO, |
| .stage = mesa_to_vk_shader_stage(stage), |
| .module = vk_shader_module_to_handle((struct vk_shader_module *)mod), |
| .pName = entrypoint_name, |
| .pSpecializationInfo = spec_info, |
| }; |
| return vk_pipeline_shader_stage_to_nir(device, &info, |
| spirv_options, nir_options, |
| mem_ctx, nir_out); |
| } |
| |
| struct vk_shader_module * |
| vk_shader_module_clone(void *mem_ctx, const struct vk_shader_module *src) |
| { |
| struct vk_shader_module *dst = |
| ralloc_size(mem_ctx, sizeof(struct vk_shader_module) + src->size); |
| |
| vk_object_base_init(src->base.device, &dst->base, VK_OBJECT_TYPE_SHADER_MODULE); |
| |
| dst->nir = NULL; |
| |
| memcpy(dst->sha1, src->sha1, sizeof(src->sha1)); |
| |
| dst->size = src->size; |
| memcpy(dst->data, src->data, src->size); |
| |
| return dst; |
| } |