vk/util: add unified shader module struct/functions

there's some extra logging stuff dumped into here to match functionality,
eventually that should also be consolidated into vk_util.c

Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9508>

src/vulkan/util/meson.build

@@ -39,6 +39,8 @@ files_vulkan_util = files(
   'vk_physical_device.c',
   'vk_physical_device.h',
   'vk_render_pass.c',
+  'vk_shader_module.c',
+  'vk_shader_module.h',
   'vk_util.c',
   'vk_util.h',
 )

src/vulkan/util/vk_shader_module.c

@@ -0,0 +1,77 @@
+/*
+ * 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"
+
+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;
+}
+
+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);
+}

src/vulkan/util/vk_shader_module.h

@@ -0,0 +1,50 @@
+/*
+ * 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.
+ */
+
+#ifndef VK_SHADER_MODULE_H
+#define VK_SHADER_MODULE_H
+
+#include <vulkan/vulkan.h>
+#include "vk_object.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct nir_shader;
+
+struct vk_shader_module {
+   struct vk_object_base base;
+   struct nir_shader *nir;
+   unsigned char sha1[20];
+   uint32_t size;
+   char data[0];
+};
+
+VK_DEFINE_NONDISP_HANDLE_CASTS(vk_shader_module, base, VkShaderModule,
+                               VK_OBJECT_TYPE_SHADER_MODULE)
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* VK_SHADER_MODULE_H */