1 /*
2 * Copyright © 2017 Intel Corporation
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21 * IN THE SOFTWARE.
22 */
23
24 #include "vk_shader_module.h"
25 #include "util/mesa-sha1.h"
26 #include "vk_common_entrypoints.h"
27 #include "vk_device.h"
28
29 VKAPI_ATTR VkResult VKAPI_CALL
vk_common_CreateShaderModule(VkDevice _device,const VkShaderModuleCreateInfo * pCreateInfo,const VkAllocationCallbacks * pAllocator,VkShaderModule * pShaderModule)30 vk_common_CreateShaderModule(VkDevice _device,
31 const VkShaderModuleCreateInfo *pCreateInfo,
32 const VkAllocationCallbacks *pAllocator,
33 VkShaderModule *pShaderModule)
34 {
35 VK_FROM_HANDLE(vk_device, device, _device);
36 struct vk_shader_module *module;
37
38 assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO);
39 assert(pCreateInfo->flags == 0);
40
41 module = vk_object_alloc(device, pAllocator,
42 sizeof(*module) + pCreateInfo->codeSize,
43 VK_OBJECT_TYPE_SHADER_MODULE);
44 if (module == NULL)
45 return VK_ERROR_OUT_OF_HOST_MEMORY;
46
47 module->size = pCreateInfo->codeSize;
48 module->nir = NULL;
49 memcpy(module->data, pCreateInfo->pCode, module->size);
50
51 _mesa_sha1_compute(module->data, module->size, module->sha1);
52
53 *pShaderModule = vk_shader_module_to_handle(module);
54
55 return VK_SUCCESS;
56 }
57
58 VKAPI_ATTR void VKAPI_CALL
vk_common_DestroyShaderModule(VkDevice _device,VkShaderModule _module,const VkAllocationCallbacks * pAllocator)59 vk_common_DestroyShaderModule(VkDevice _device,
60 VkShaderModule _module,
61 const VkAllocationCallbacks *pAllocator)
62 {
63 VK_FROM_HANDLE(vk_device, device, _device);
64 VK_FROM_HANDLE(vk_shader_module, module, _module);
65
66 if (!module)
67 return;
68
69 /* NIR modules (which are only created internally by the driver) are not
70 * dynamically allocated so we should never call this for them.
71 * Instead the driver is responsible for freeing the NIR code when it is
72 * no longer needed.
73 */
74 assert(module->nir == NULL);
75
76 vk_object_free(device, pAllocator, module);
77 }
78