156 lines
5.5 KiB
C
156 lines
5.5 KiB
C
/*
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* Copyright © 2017 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#include "vk_shader_module.h"
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#include "util/mesa-sha1.h"
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#include "vk_common_entrypoints.h"
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#include "vk_device.h"
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#include "vk_log.h"
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#include "vk_nir.h"
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#include "vk_pipeline.h"
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#include "vk_util.h"
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VKAPI_ATTR VkResult VKAPI_CALL
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vk_common_CreateShaderModule(VkDevice _device,
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const VkShaderModuleCreateInfo *pCreateInfo,
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const VkAllocationCallbacks *pAllocator,
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VkShaderModule *pShaderModule)
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{
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VK_FROM_HANDLE(vk_device, device, _device);
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struct vk_shader_module *module;
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assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO);
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assert(pCreateInfo->flags == 0);
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module = vk_object_alloc(device, pAllocator,
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sizeof(*module) + pCreateInfo->codeSize,
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VK_OBJECT_TYPE_SHADER_MODULE);
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if (module == NULL)
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return VK_ERROR_OUT_OF_HOST_MEMORY;
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module->size = pCreateInfo->codeSize;
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module->nir = NULL;
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memcpy(module->data, pCreateInfo->pCode, module->size);
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_mesa_sha1_compute(module->data, module->size, module->sha1);
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*pShaderModule = vk_shader_module_to_handle(module);
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return VK_SUCCESS;
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}
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const uint8_t vk_shaderModuleIdentifierAlgorithmUUID[VK_UUID_SIZE] = "MESA-SHA1";
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VKAPI_ATTR void VKAPI_CALL
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vk_common_GetShaderModuleIdentifierEXT(VkDevice _device,
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VkShaderModule _module,
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VkShaderModuleIdentifierEXT *pIdentifier)
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{
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VK_FROM_HANDLE(vk_shader_module, module, _module);
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memcpy(pIdentifier->identifier, module->sha1, sizeof(module->sha1));
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pIdentifier->identifierSize = sizeof(module->sha1);
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}
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VKAPI_ATTR void VKAPI_CALL
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vk_common_GetShaderModuleCreateInfoIdentifierEXT(VkDevice _device,
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const VkShaderModuleCreateInfo *pCreateInfo,
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VkShaderModuleIdentifierEXT *pIdentifier)
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{
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_mesa_sha1_compute(pCreateInfo->pCode, pCreateInfo->codeSize,
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pIdentifier->identifier);
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pIdentifier->identifierSize = SHA1_DIGEST_LENGTH;
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}
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VKAPI_ATTR void VKAPI_CALL
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vk_common_DestroyShaderModule(VkDevice _device,
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VkShaderModule _module,
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const VkAllocationCallbacks *pAllocator)
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{
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VK_FROM_HANDLE(vk_device, device, _device);
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VK_FROM_HANDLE(vk_shader_module, module, _module);
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if (!module)
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return;
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/* NIR modules (which are only created internally by the driver) are not
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* dynamically allocated so we should never call this for them.
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* Instead the driver is responsible for freeing the NIR code when it is
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* no longer needed.
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*/
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assert(module->nir == NULL);
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vk_object_free(device, pAllocator, module);
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}
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#define SPIR_V_MAGIC_NUMBER 0x07230203
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uint32_t
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vk_shader_module_spirv_version(const struct vk_shader_module *mod)
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{
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if (mod->nir != NULL)
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return 0;
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return vk_spirv_version((uint32_t *)mod->data, mod->size);
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}
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VkResult
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vk_shader_module_to_nir(struct vk_device *device,
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const struct vk_shader_module *mod,
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gl_shader_stage stage,
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const char *entrypoint_name,
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const VkSpecializationInfo *spec_info,
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const struct spirv_to_nir_options *spirv_options,
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const nir_shader_compiler_options *nir_options,
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void *mem_ctx, nir_shader **nir_out)
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{
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const VkPipelineShaderStageCreateInfo info = {
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.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO,
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.stage = mesa_to_vk_shader_stage(stage),
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.module = vk_shader_module_to_handle((struct vk_shader_module *)mod),
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.pName = entrypoint_name,
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.pSpecializationInfo = spec_info,
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};
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return vk_pipeline_shader_stage_to_nir(device, &info,
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spirv_options, nir_options,
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mem_ctx, nir_out);
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}
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struct vk_shader_module *
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vk_shader_module_clone(void *mem_ctx, const struct vk_shader_module *src)
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{
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struct vk_shader_module *dst =
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ralloc_size(mem_ctx, sizeof(struct vk_shader_module) + src->size);
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vk_object_base_init(src->base.device, &dst->base, VK_OBJECT_TYPE_SHADER_MODULE);
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dst->nir = NULL;
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memcpy(dst->sha1, src->sha1, sizeof(src->sha1));
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dst->size = src->size;
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memcpy(dst->data, src->data, src->size);
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return dst;
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}
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