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create vulkan instance

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This commit is contained in:
Gregory Wells
2026-05-24 19:21:50 -04:00
parent 7a952fcb19
commit 55889a32d4
4 changed files with 70 additions and 26 deletions
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Gryphn/GryphnLoader/src/gryphn_return_code.h
+2 -1
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@@ -2,5 +2,6 @@
typedef enum gnReturnCode { typedef enum gnReturnCode {
GN_SUCCESS, GN_SUCCESS,
GN_FAILED_TO_FIND_LIBARY GN_FAILED_TO_FIND_LIBARY,
GN_UNSUPPORTED_BACKEND
} gnReturnCode; } gnReturnCode;
Gryphn/GryphnLoader/src/instance/gryphn_instance.c
+7 -2
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@@ -11,10 +11,15 @@ gnReturnCode gnCreateInstance(gnInstance* newInstance, gnInstanceCreateInfo* cre
if (createInfo->backend == GN_BACKEND_METAL) { if (createInfo->backend == GN_BACKEND_METAL) {
instance->internalLib = gnLoadLib("bin/gryphn_metal.dylib"); instance->internalLib = gnLoadLib("bin/gryphn_metal.dylib");
PFN_initBackend initBackend = (PFN_initBackend)gnLoadLibFunction(&instance->internalLib, "initBackend"); PFN_initBackend initBackend = (PFN_initBackend)gnLoadLibFunction(&instance->internalLib, "initBackend");
initBackend(instance, createInfo); return initBackend(instance, createInfo);
}
if (createInfo->backend == GN_BACKEND_VULKAN) {
instance->internalLib = gnLoadLib("bin/gryphn_vulkan.so");
PFN_initBackend initBackend = (PFN_initBackend)gnLoadLibFunction(&instance->internalLib, "initBackend");
return initBackend(instance, createInfo);
} }
return GN_SUCCESS; return GN_UNSUPPORTED_BACKEND;
} }
gnReturnCode gnDestroyInstance(gnInstance* instance) { gnReturnCode gnDestroyInstance(gnInstance* instance) {
(*instance)->dispatchTable.destroyInstance(*instance); (*instance)->dispatchTable.destroyInstance(*instance);
Gryphn/apis/GryphnVulkan/src/vulkan.c
+59 -21
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@@ -2,6 +2,8 @@
#include "instance/gryphn_instance.h" #include "instance/gryphn_instance.h"
#include "gryphn_handle.h" #include "gryphn_handle.h"
#include "vulkan/vulkan.h" #include "vulkan/vulkan.h"
#include "stdlib.h"
#include <vulkan/vulkan_core.h>
uint32_t gnInternalIsApiSupported(gnVersion gryphnVersion) { uint32_t gnInternalIsApiSupported(gnVersion gryphnVersion) {
if (gryphnVersion != gnCreateVersion(1, 0, 0)) return 0; if (gryphnVersion != gnCreateVersion(1, 0, 0)) return 0;
@@ -28,27 +30,63 @@ uint32_t gnInternalIsApiSupported(gnVersion gryphnVersion) {
return 1; return 1;
} }
// gnReturnCode destroyBackend(gnInstance instance) { gnReturnCode destroyBackend(gnInstance instance) {
// return GN_SUCCESS; vkDestroyInstance(instance->internalData, NULL);
// } return GN_SUCCESS;
}
// gnReturnCode initBackend(gnInstance instance, gnInstanceCreateInfo* info) { gnReturnCode initBackend(gnInstance instance, gnInstanceCreateInfo* info) {
// instance->dispatchTable.destroyInstance = destroyBackend; VkApplicationInfo applicationInfo = {
// instance->dispatchTable.enumeratePhysicalDevices = metalEnumeratePhysicalDevices; .sType = VK_STRUCTURE_TYPE_APPLICATION_INFO,
// instance->dispatchTable.getPhysicalDeviceProperties = metalGetPhysicalDeviceProperties; .pNext = NULL,
// instance->dispatchTable.createDevice = metalCreateDevice; .pApplicationName = info->info.applicationName,
.applicationVersion = info->info.applicationVersion,
.pEngineName = info->info.engineName,
.engineVersion = info->info.engineVersion,
.apiVersion = VK_API_VERSION_1_0
};
// for (int i = 0; i < info->enabledExtensionCount; i++) {
// if (strcmp(info->enabledExtensions[i], "GN_EXT_surface") == 0) {
// instance->dispatchTable.destroySurface = metalDestroySurface;
// instance->dispatchTable.getSurfaceCapabilities = metalGetSurfaceCapabilities;
// instance->dispatchTable.getSurfaceFormats = metalGetSurfaceFormats;
// instance->dispatchTable.getSurfacePresentModes = metalGetSurfacePresentModes;
// }
// if (strcmp(info->enabledExtensions[i], "GN_EXT_surface_cocoa") == 0) {
// instance->dispatchTable.createMetalSurface = metalCreateSurface;
// }
// }
// return GN_SUCCESS; const char** extensions = malloc(sizeof(const char*) * info->enabledExtensionCount);
// } int realEnabledExtensionCount = 0;
for (int i = 0; i < info->enabledExtensionCount; i++) {
// zero supported vulkan extensions right now
}
VkInstanceCreateInfo createInfo = {
.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO,
.pNext = NULL,
.flags = 0,
.pApplicationInfo = &applicationInfo,
.enabledLayerCount = 0,
.ppEnabledLayerNames = NULL,
.enabledExtensionCount = realEnabledExtensionCount,
.ppEnabledExtensionNames = extensions,
};
instance->dispatchTable.destroyInstance = destroyBackend;
// instance->dispatchTable.enumeratePhysicalDevices = NULL;
// instance->dispatchTable.getPhysicalDeviceProperties = NULL;
// instance->dispatchTable.createDevice = NULL;
// for (int i = 0; i < info->enabledExtensionCount; i++) {
// if (strcmp(info->enabledExtensions[i], "GN_EXT_surface") == 0) {
// instance->dispatchTable.destroySurface = metalDestroySurface;
// instance->dispatchTable.getSurfaceCapabilities = metalGetSurfaceCapabilities;
// instance->dispatchTable.getSurfaceFormats = metalGetSurfaceFormats;
// instance->dispatchTable.getSurfacePresentModes = metalGetSurfacePresentModes;
// }
// if (strcmp(info->enabledExtensions[i], "GN_EXT_surface_cocoa") == 0) {
// instance->dispatchTable.createMetalSurface = metalCreateSurface;
// }
// }
VkInstance vulkanInstance;
VkResult result = vkCreateInstance(&createInfo, NULL, &vulkanInstance);
instance->internalData = vulkanInstance;
if (result != VK_SUCCESS) {
printf("Unknown instance fail mr gregory please diagnose this");
return GN_FAILED_TO_FIND_LIBARY;
}
return GN_SUCCESS;
}
main.cpp
+2 -2
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@@ -126,7 +126,7 @@ int main() {
return 0; return 0;
} }
glfwDestroyWindow(window); glfwDestroyWindow(window);
gnDestroySurface(instance, &surface); // gnDestroySurface(instance, &surface);
gnDestroyDevice(&device); // gnDestroyDevice(&device);
gnDestroyInstance(&instance); gnDestroyInstance(&instance);
} }