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zink: generate instance creation code with a python script
Acked-by: Adam Jackson <ajax@redhat.com> Reviewed-by: Erik Faye-Lund <erik.faye-lund@collabora.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7800>
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2 changed files with 244 additions and 0 deletions
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@ -91,3 +91,6 @@ class Version:
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return ("VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_VULKAN_"
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return ("VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_VULKAN_"
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+ str(self.struct_version[0]) + "_" + str(self.struct_version[1])
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+ str(self.struct_version[0]) + "_" + str(self.struct_version[1])
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+ '_' + struct)
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+ '_' + struct)
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# Type aliases
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Layer = Extension
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241
src/gallium/drivers/zink/zink_instance.py
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241
src/gallium/drivers/zink/zink_instance.py
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@ -0,0 +1,241 @@
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from mako.template import Template
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from os import path
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from zink_extensions import Extension,Layer
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import sys
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EXTENSIONS = [
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Extension("VK_EXT_debug_utils"),
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Extension("VK_KHR_get_physical_device_properties2"),
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Extension("VK_KHR_external_memory_capabilities"),
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]
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LAYERS = [
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# if we have debug_util, allow a validation layer to be added.
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Layer("VK_LAYER_KHRONOS_validation",
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conditions=["have_EXT_debug_utils"]),
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Layer("VK_LAYER_LUNARG_standard_validation",
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conditions=["have_EXT_debug_utils", "!have_layer_KHRONOS_validation"]),
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]
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REPLACEMENTS = {
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"VK_KHR_GET_PHYSICAL_DEVICE_PROPERTIES2_EXTENSION_NAME" : "VK_KHR_GET_PHYSICAL_DEVICE_PROPERTIES_2_EXTENSION_NAME"
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}
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header_code = """
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#ifndef ZINK_INSTANCE_H
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#define ZINK_INSTANCE_H
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#include "os/os_process.h"
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#include <vulkan/vulkan.h>
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#if defined(__APPLE__)
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// Source of MVK_VERSION
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// Source of VK_EXTX_PORTABILITY_SUBSET_EXTENSION_NAME
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#include "MoltenVK/vk_mvk_moltenvk.h"
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#endif
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struct zink_screen;
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struct zink_instance_info {
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%for ext in extensions:
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bool have_${ext.name_with_vendor()};
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%endfor
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%for layer in layers:
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bool have_layer_${layer.pure_name()};
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%endfor
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#if defined(MVK_VERSION)
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bool have_moltenvk_layer_ext;
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bool have_moltenvk_layer;
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bool have_moltenvk;
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#endif
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};
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VkInstance
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zink_create_instance(struct zink_screen *screen);
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#endif
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"""
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impl_code = """
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#include "zink_instance.h"
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#include "zink_screen.h"
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VkInstance
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zink_create_instance(struct zink_screen *screen)
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{
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/* reserve one slot for MoltenVK */
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const char *layers[${len(extensions) + 1}] = { 0 };
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uint32_t num_layers = 0;
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const char *extensions[${len(layers) + 1}] = { 0 };
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uint32_t num_extensions = 0;
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%for ext in extensions:
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bool have_${ext.name_with_vendor()} = false;
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%endfor
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%for layer in layers:
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bool have_layer_${layer.pure_name()} = false;
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%endfor
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#if defined(MVK_VERSION)
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bool have_moltenvk_layer_ext = false;
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bool have_moltenvk_layer = false;
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bool have_moltenvk = false;
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#endif
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screen->loader_version = VK_API_VERSION_1_0;
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{
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// Get the Loader version
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GET_PROC_ADDR_INSTANCE_LOCAL(NULL, EnumerateInstanceVersion);
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if (vk_EnumerateInstanceVersion) {
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uint32_t loader_version_temp = VK_API_VERSION_1_0;
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if (VK_SUCCESS == (*vk_EnumerateInstanceVersion)(&loader_version_temp)) {
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screen->loader_version = loader_version_temp;
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}
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}
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}
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// Build up the extensions from the reported ones but only for the unnamed layer
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uint32_t extension_count = 0;
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if (vkEnumerateInstanceExtensionProperties(NULL, &extension_count, NULL) == VK_SUCCESS) {
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VkExtensionProperties *extension_props = malloc(extension_count * sizeof(VkExtensionProperties));
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if (extension_props) {
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if (vkEnumerateInstanceExtensionProperties(NULL, &extension_count, extension_props) == VK_SUCCESS) {
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for (uint32_t i = 0; i < extension_count; i++) {
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%for ext in extensions:
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if (!strcmp(extension_props[i].extensionName, ${ext.extension_name()})) {
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have_${ext.name_with_vendor()} = true;
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extensions[num_extensions++] = ${ext.extension_name()};
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}
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%endfor
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#if defined(MVK_VERSION)
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if (!strcmp(extension_props[i].extensionName, VK_MVK_MOLTENVK_EXTENSION_NAME)) {
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have_moltenvk_layer_ext = true;
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extensions[num_extensions++] = VK_MVK_MOLTENVK_EXTENSION_NAME;
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}
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#endif
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}
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}
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free(extension_props);
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}
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}
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// Clear have_EXT_debug_utils if we do not want debug info
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if (!(zink_debug & ZINK_DEBUG_VALIDATION)) {
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have_EXT_debug_utils = false;
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}
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// Build up the layers from the reported ones
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uint32_t layer_count = 0;
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if (vkEnumerateInstanceLayerProperties(&layer_count, NULL) == VK_SUCCESS) {
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VkLayerProperties *layer_props = malloc(layer_count * sizeof(VkLayerProperties));
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if (layer_props) {
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if (vkEnumerateInstanceLayerProperties(&layer_count, layer_props) == VK_SUCCESS) {
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for (uint32_t i = 0; i < layer_count; i++) {
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%for layer in layers:
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if (!strcmp(layer_props[i].layerName, ${layer.extension_name_literal()})) {
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have_layer_${layer.pure_name()} = true;
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}
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%endfor
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#if defined(MVK_VERSION)
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if (!strcmp(layer_props[i].layerName, "MoltenVK")) {
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have_moltenvk_layer = true;
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layers[num_layers++] = "MoltenVK";
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}
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#endif
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}
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}
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free(layer_props);
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}
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}
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%for ext in extensions:
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screen->instance_info.have_${ext.name_with_vendor()} = have_${ext.name_with_vendor()};
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%endfor
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%for layer in layers:
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<%
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conditions = ""
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if layer.enable_conds:
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for cond in layer.enable_conds:
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conditions += "&& (" + cond + ") "
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conditions = conditions.strip()
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%>\
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if (have_layer_${layer.pure_name()} ${conditions}) {
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layers[num_layers++] = ${layer.extension_name_literal()};
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screen->instance_info.have_layer_${layer.pure_name()} = true;
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}
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%endfor
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#if defined(MVK_VERSION)
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screen->instance_info.have_moltenvk_layer_ext = have_moltenvk_layer_ext;
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screen->instance_info.have_moltenvk_layer = have_moltenvk_layer;
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screen->have_moltenvk = have_moltenvk_layer_ext && have_moltenvk_layer;
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#endif
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VkApplicationInfo ai = {};
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ai.sType = VK_STRUCTURE_TYPE_APPLICATION_INFO;
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char proc_name[128];
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if (os_get_process_name(proc_name, ARRAY_SIZE(proc_name)))
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ai.pApplicationName = proc_name;
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else
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ai.pApplicationName = "unknown";
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ai.pEngineName = "mesa zink";
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ai.apiVersion = screen->loader_version;
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VkInstanceCreateInfo ici = {};
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ici.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO;
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ici.pApplicationInfo = &ai;
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ici.ppEnabledExtensionNames = extensions;
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ici.enabledExtensionCount = num_extensions;
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ici.ppEnabledLayerNames = layers;
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ici.enabledLayerCount = num_layers;
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VkInstance instance = VK_NULL_HANDLE;
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VkResult err = vkCreateInstance(&ici, NULL, &instance);
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if (err != VK_SUCCESS)
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return VK_NULL_HANDLE;
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return instance;
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}
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"""
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def replace_code(code: str, replacement: dict):
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for (k, v) in replacement.items():
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code = code.replace(k, v)
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return code
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if __name__ == "__main__":
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try:
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header_path = sys.argv[1]
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impl_path = sys.argv[2]
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header_path = path.abspath(header_path)
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impl_path = path.abspath(impl_path)
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except:
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print("usage: %s <path to .h> <path to .c>" % sys.argv[0])
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exit(1)
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extensions = EXTENSIONS
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layers = LAYERS
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replacement = REPLACEMENTS
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with open(header_path, "w") as header_file:
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header = Template(header_code).render(extensions=extensions, layers=layers).strip()
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header = replace_code(header, replacement)
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print(header, file=header_file)
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with open(impl_path, "w") as impl_file:
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impl = Template(impl_code).render(extensions=extensions, layers=layers).strip()
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impl = replace_code(impl, replacement)
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print(impl, file=impl_file)
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