use of org.lwjgl.vulkan.VkApplicationInfo in project lwjgl3-demos by LWJGL.
the class ClearScreenDemo method createInstance.
/**
* Create a Vulkan {@link VkInstance} using LWJGL 3.
* <p>
* The {@link VkInstance} represents a handle to the Vulkan API and we need that instance for about everything we do.
*
* @return the VkInstance handle
*/
private static VkInstance createInstance(PointerBuffer requiredExtensions) {
// Here we say what the name of our application is and which Vulkan version we are targetting (having this is optional)
VkApplicationInfo appInfo = VkApplicationInfo.calloc().sType(VK_STRUCTURE_TYPE_APPLICATION_INFO).pApplicationName(memUTF8("GLFW Vulkan Demo")).pEngineName(memUTF8("")).apiVersion(VK_MAKE_VERSION(1, 0, 2));
// We also need to tell Vulkan which extensions we would like to use.
// Those include the platform-dependent required extensions we are being told by GLFW to use.
// This includes stuff like the Window System Interface extensions to actually render something on a window.
//
// We also add the debug extension so that validation layers and other things can send log messages to us.
ByteBuffer VK_EXT_DEBUG_REPORT_EXTENSION = memUTF8(VK_EXT_DEBUG_REPORT_EXTENSION_NAME);
PointerBuffer ppEnabledExtensionNames = memAllocPointer(requiredExtensions.remaining() + 1);
// <- platform-dependent required extensions
ppEnabledExtensionNames.put(requiredExtensions).put(// <- the debug extensions
VK_EXT_DEBUG_REPORT_EXTENSION).flip();
// Now comes the validation layers. These layers sit between our application (the Vulkan client) and the
// Vulkan driver. Those layers will check whether we make any mistakes in using the Vulkan API and yell
// at us via the debug extension.
PointerBuffer ppEnabledLayerNames = memAllocPointer(layers.length);
for (int i = 0; validation && i < layers.length; i++) ppEnabledLayerNames.put(layers[i]);
ppEnabledLayerNames.flip();
// Vulkan uses many struct/record types when creating something. This ensures that every information is available
// at the callsite of the creation and allows for easier validation and also for immutability of the created object.
//
// The following struct defines everything that is needed to create a VkInstance
VkInstanceCreateInfo pCreateInfo = VkInstanceCreateInfo.calloc().sType(// <- identifies what kind of struct this is (this is useful for extending the struct type later)
VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO).pNext(// <- must always be NULL until any next Vulkan version tells otherwise
NULL).pApplicationInfo(// <- the application info we created above
appInfo).ppEnabledExtensionNames(// <- and the extension names themselves
ppEnabledExtensionNames).ppEnabledLayerNames(// <- and the layer names themselves
ppEnabledLayerNames);
// <- create a PointerBuffer which will hold the handle to the created VkInstance
PointerBuffer pInstance = memAllocPointer(1);
// <- actually create the VkInstance now!
int err = vkCreateInstance(pCreateInfo, null, pInstance);
// <- get the VkInstance handle
long instance = pInstance.get(0);
// <- free the PointerBuffer
memFree(pInstance);
// Check whether we succeeded in creating the VkInstance
if (err != VK_SUCCESS) {
throw new AssertionError("Failed to create VkInstance: " + translateVulkanResult(err));
}
// Create an object-oriented wrapper around the simple VkInstance long handle
// This is needed by LWJGL to later "dispatch" (i.e. direct calls to) the right Vukan functions.
VkInstance ret = new VkInstance(instance, pCreateInfo);
// Now we can free/deallocate everything
pCreateInfo.free();
memFree(ppEnabledLayerNames);
memFree(VK_EXT_DEBUG_REPORT_EXTENSION);
memFree(ppEnabledExtensionNames);
memFree(appInfo.pApplicationName());
memFree(appInfo.pEngineName());
appInfo.free();
return ret;
}
use of org.lwjgl.vulkan.VkApplicationInfo in project lwjgl3-demos by LWJGL.
the class ColoredRotatingQuadDemo method createInstance.
/**
* Create a Vulkan instance using LWJGL 3.
*
* @return the VkInstance handle
*/
private static VkInstance createInstance(PointerBuffer requiredExtensions) {
VkApplicationInfo appInfo = VkApplicationInfo.calloc().sType(VK_STRUCTURE_TYPE_APPLICATION_INFO).pApplicationName(memUTF8("GLFW Vulkan Demo")).pEngineName(memUTF8("")).apiVersion(VK_MAKE_VERSION(1, 0, 2));
PointerBuffer ppEnabledExtensionNames = memAllocPointer(requiredExtensions.remaining() + 1);
ppEnabledExtensionNames.put(requiredExtensions);
ByteBuffer VK_EXT_DEBUG_REPORT_EXTENSION = memUTF8(VK_EXT_DEBUG_REPORT_EXTENSION_NAME);
ppEnabledExtensionNames.put(VK_EXT_DEBUG_REPORT_EXTENSION);
ppEnabledExtensionNames.flip();
PointerBuffer ppEnabledLayerNames = memAllocPointer(layers.length);
for (int i = 0; validation && i < layers.length; i++) ppEnabledLayerNames.put(layers[i]);
ppEnabledLayerNames.flip();
VkInstanceCreateInfo pCreateInfo = VkInstanceCreateInfo.calloc().sType(VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO).pNext(NULL).pApplicationInfo(appInfo).ppEnabledExtensionNames(ppEnabledExtensionNames).ppEnabledLayerNames(ppEnabledLayerNames);
PointerBuffer pInstance = memAllocPointer(1);
int err = vkCreateInstance(pCreateInfo, null, pInstance);
long instance = pInstance.get(0);
memFree(pInstance);
if (err != VK_SUCCESS) {
throw new AssertionError("Failed to create VkInstance: " + translateVulkanResult(err));
}
VkInstance ret = new VkInstance(instance, pCreateInfo);
pCreateInfo.free();
memFree(ppEnabledLayerNames);
memFree(VK_EXT_DEBUG_REPORT_EXTENSION);
memFree(ppEnabledExtensionNames);
memFree(appInfo.pApplicationName());
memFree(appInfo.pEngineName());
appInfo.free();
return ret;
}
use of org.lwjgl.vulkan.VkApplicationInfo in project lwjgl3-demos by LWJGL.
the class TriangleDemo method createInstance.
/**
* Create a Vulkan instance using LWJGL 3.
*
* @return the VkInstance handle
*/
private static VkInstance createInstance(PointerBuffer requiredExtensions) {
VkApplicationInfo appInfo = VkApplicationInfo.calloc().sType(VK_STRUCTURE_TYPE_APPLICATION_INFO).pApplicationName(memUTF8("GLFW Vulkan Demo")).pEngineName(memUTF8("")).apiVersion(VK_MAKE_VERSION(1, 0, 2));
PointerBuffer ppEnabledExtensionNames = memAllocPointer(requiredExtensions.remaining() + 1);
ppEnabledExtensionNames.put(requiredExtensions);
ByteBuffer VK_EXT_DEBUG_REPORT_EXTENSION = memUTF8(VK_EXT_DEBUG_REPORT_EXTENSION_NAME);
ppEnabledExtensionNames.put(VK_EXT_DEBUG_REPORT_EXTENSION);
ppEnabledExtensionNames.flip();
PointerBuffer ppEnabledLayerNames = memAllocPointer(layers.length);
for (int i = 0; validation && i < layers.length; i++) ppEnabledLayerNames.put(layers[i]);
ppEnabledLayerNames.flip();
VkInstanceCreateInfo pCreateInfo = VkInstanceCreateInfo.calloc().sType(VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO).pNext(NULL).pApplicationInfo(appInfo).ppEnabledExtensionNames(ppEnabledExtensionNames).ppEnabledLayerNames(ppEnabledLayerNames);
PointerBuffer pInstance = memAllocPointer(1);
int err = vkCreateInstance(pCreateInfo, null, pInstance);
long instance = pInstance.get(0);
memFree(pInstance);
if (err != VK_SUCCESS) {
throw new AssertionError("Failed to create VkInstance: " + translateVulkanResult(err));
}
VkInstance ret = new VkInstance(instance, pCreateInfo);
pCreateInfo.free();
memFree(ppEnabledLayerNames);
memFree(VK_EXT_DEBUG_REPORT_EXTENSION);
memFree(ppEnabledExtensionNames);
memFree(appInfo.pApplicationName());
memFree(appInfo.pEngineName());
appInfo.free();
return ret;
}
use of org.lwjgl.vulkan.VkApplicationInfo in project lwjgl3-demos by LWJGL.
the class TwoRotatingTrianglesDemo method createInstance.
/**
* Create a Vulkan instance using LWJGL 3.
*
* @return the VkInstance handle
*/
private static VkInstance createInstance(PointerBuffer requiredExtensions) {
VkApplicationInfo appInfo = VkApplicationInfo.calloc().sType(VK_STRUCTURE_TYPE_APPLICATION_INFO).pApplicationName(memUTF8("GLFW Vulkan Demo")).pEngineName(memUTF8("")).apiVersion(VK_MAKE_VERSION(1, 0, 2));
PointerBuffer ppEnabledExtensionNames = memAllocPointer(requiredExtensions.remaining() + 1);
ppEnabledExtensionNames.put(requiredExtensions);
ByteBuffer VK_EXT_DEBUG_REPORT_EXTENSION = memUTF8(VK_EXT_DEBUG_REPORT_EXTENSION_NAME);
ppEnabledExtensionNames.put(VK_EXT_DEBUG_REPORT_EXTENSION);
ppEnabledExtensionNames.flip();
PointerBuffer ppEnabledLayerNames = memAllocPointer(layers.length);
for (int i = 0; validation && i < layers.length; i++) ppEnabledLayerNames.put(layers[i]);
ppEnabledLayerNames.flip();
VkInstanceCreateInfo pCreateInfo = VkInstanceCreateInfo.calloc().sType(VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO).pNext(NULL).pApplicationInfo(appInfo).ppEnabledExtensionNames(ppEnabledExtensionNames).ppEnabledLayerNames(ppEnabledLayerNames);
PointerBuffer pInstance = memAllocPointer(1);
int err = vkCreateInstance(pCreateInfo, null, pInstance);
long instance = pInstance.get(0);
memFree(pInstance);
if (err != VK_SUCCESS) {
throw new AssertionError("Failed to create VkInstance: " + translateVulkanResult(err));
}
VkInstance ret = new VkInstance(instance, pCreateInfo);
pCreateInfo.free();
memFree(ppEnabledLayerNames);
memFree(VK_EXT_DEBUG_REPORT_EXTENSION);
memFree(ppEnabledExtensionNames);
memFree(appInfo.pApplicationName());
memFree(appInfo.pEngineName());
appInfo.free();
return ret;
}
use of org.lwjgl.vulkan.VkApplicationInfo in project lwjgl3-demos by LWJGL.
the class TwoRotatingTrianglesInvDepthDemo method createInstance.
/**
* Create a Vulkan instance using LWJGL 3.
*
* @return the VkInstance handle
*/
private static VkInstance createInstance(PointerBuffer requiredExtensions) {
VkApplicationInfo appInfo = VkApplicationInfo.calloc().sType(VK_STRUCTURE_TYPE_APPLICATION_INFO).pApplicationName(memUTF8("GLFW Vulkan Demo")).pEngineName(memUTF8("")).apiVersion(VK_MAKE_VERSION(1, 0, 2));
PointerBuffer ppEnabledExtensionNames = memAllocPointer(requiredExtensions.remaining() + 1);
ppEnabledExtensionNames.put(requiredExtensions);
ByteBuffer VK_EXT_DEBUG_REPORT_EXTENSION = memUTF8(VK_EXT_DEBUG_REPORT_EXTENSION_NAME);
ppEnabledExtensionNames.put(VK_EXT_DEBUG_REPORT_EXTENSION);
ppEnabledExtensionNames.flip();
PointerBuffer ppEnabledLayerNames = memAllocPointer(layers.length);
for (int i = 0; validation && i < layers.length; i++) ppEnabledLayerNames.put(layers[i]);
ppEnabledLayerNames.flip();
VkInstanceCreateInfo pCreateInfo = VkInstanceCreateInfo.calloc().sType(VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO).pNext(NULL).pApplicationInfo(appInfo).ppEnabledExtensionNames(ppEnabledExtensionNames).ppEnabledLayerNames(ppEnabledLayerNames);
PointerBuffer pInstance = memAllocPointer(1);
int err = vkCreateInstance(pCreateInfo, null, pInstance);
long instance = pInstance.get(0);
memFree(pInstance);
if (err != VK_SUCCESS) {
throw new AssertionError("Failed to create VkInstance: " + translateVulkanResult(err));
}
VkInstance ret = new VkInstance(instance, pCreateInfo);
pCreateInfo.free();
memFree(ppEnabledLayerNames);
memFree(VK_EXT_DEBUG_REPORT_EXTENSION);
memFree(ppEnabledExtensionNames);
memFree(appInfo.pApplicationName());
memFree(appInfo.pEngineName());
appInfo.free();
return ret;
}
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