diff --git a/projects/first_triangle/src/main.cpp b/projects/first_triangle/src/main.cpp
index 624d1a40f62520fb4ee988c8751fd0aff9e67153..5b014bbda8a4aea0c765088766fb6c734222ea6f 100644
--- a/projects/first_triangle/src/main.cpp
+++ b/projects/first_triangle/src/main.cpp
@@ -5,12 +5,6 @@
int main(int argc, const char** argv) {
const char* applicationName = "First Triangle";
- vkcv::Window window = vkcv::Window::create(
- applicationName,
- 800,
- 600,
- false
- );
vkcv::Context context = vkcv::Context::create(
applicationName,
VK_MAKE_VERSION(0, 0, 1),
@@ -20,11 +14,17 @@ int main(int argc, const char** argv) {
{"VK_KHR_swapchain"}
);
- GLFWwindow *glWindow = window.getWindow();
- const vk::Instance& instance = context.getInstance();
- const vk::PhysicalDevice& physicalDevice = context.getPhysicalDevice();
- const vk::Device& device = context.getDevice();
- const vkcv::SwapChain& swapChain = vkcv::SwapChain::create(glWindow, instance, physicalDevice, device);
+ const vk::Instance& instance = context.getInstance();
+ const vk::PhysicalDevice& physicalDevice = context.getPhysicalDevice();
+ const vk::Device& device = context.getDevice();
+
+ vkcv::Window window = vkcv::Window::create(
+ context,
+ applicationName,
+ 800,
+ 600,
+ false
+ );
std::cout << "Physical device: " << physicalDevice.getProperties().deviceName << std::endl;
diff --git a/src/vkcv/Context.cpp b/src/vkcv/Context.cpp
index 3d5dfca627a064a49a57a015b23c4c7d919a2f07..ce94145aebf605ea108f7e96cac7cccd0b9fd480 100644
--- a/src/vkcv/Context.cpp
+++ b/src/vkcv/Context.cpp
@@ -6,6 +6,7 @@
#include "Context.hpp"
#include "CoreManager.hpp"
+#include <iostream>
namespace vkcv {
@@ -124,7 +125,12 @@ namespace vkcv {
vk::Device device = physicalDevice.createDevice(deviceCreateInfo);
- // TODO: implement device.getQueue() to access the queues, if needed
+ // TODO: implement device.getQueue() to access the queues, if neede
+ //std::vector<vk::QueueFamilyProperties> queueFamilyProperties = physicalDevice.getQueueFamilyProperties();
+ //uint32_t graphicsQueueFamilyIndex = vkcv::findGraphicsQueueFamilyIndex( queueFamilyProperties );
+ // for(uint32_t i = 0; true; i++){
+ // vk::Queue graphicsQueue = device.getQueue( graphicsQueueFamilyIndex, i );
+ // }
return Context(instance, physicalDevice, device);
}
@@ -253,4 +259,11 @@ namespace vkcv {
return extensions;
}
+
+ uint32_t Context::findGraphicsQueueFamilyIndex(uint32_t queueCount, std::vector<vk::DeviceQueueCreateInfo> &createInfos){
+ for(auto createInfo: createInfos){
+ std::cout << createInfo.queueCount << std::endl;
+ }
+ return 0;
+ }
}
diff --git a/src/vkcv/Context.hpp b/src/vkcv/Context.hpp
index 1d11f82743ada5d1493df48ece54e558c234df47..bcfb648bbc2e2840551c8d1fe1c014389fef6e47 100644
--- a/src/vkcv/Context.hpp
+++ b/src/vkcv/Context.hpp
@@ -144,6 +144,8 @@ namespace vkcv {
* @return
*/
static std::vector<vk::DeviceQueueCreateInfo> getQueueCreateInfos(vk::PhysicalDevice& physicalDevice, uint32_t queueCount, std::vector<float>& qPriorities, std::vector<vk::QueueFlagBits> &queueFlags);
+
+ static uint32_t findGraphicsQueueFamilyIndex(uint32_t queueCount, std::vector<vk::DeviceQueueCreateInfo> &createInfos);
};
}
diff --git a/src/vkcv/CoreManager.cpp b/src/vkcv/CoreManager.cpp
index 471075e3b48eb6aba8251d2924c00462f506fbc3..be33bee0dc3333cf2dc5f032fdf29d92b974b900 100644
--- a/src/vkcv/CoreManager.cpp
+++ b/src/vkcv/CoreManager.cpp
@@ -28,4 +28,16 @@ namespace vkcv {
}
glfwCounter--;
}
+
+ int getWidth(GLFWwindow *window) {
+ int width;
+ glfwGetWindowSize(window, &width, nullptr);
+ return width;
+ }
+
+ int getHeight(GLFWwindow *window) {
+ int height;
+ glfwGetWindowSize(window, nullptr, &height);
+ return height;
+ }
}
diff --git a/src/vkcv/CoreManager.hpp b/src/vkcv/CoreManager.hpp
index a4104ae4a8dca0b01825f023bcb3ec2a2808c876..90095b3782daf1414571c82fe10a97d358fb64d1 100644
--- a/src/vkcv/CoreManager.hpp
+++ b/src/vkcv/CoreManager.hpp
@@ -6,7 +6,9 @@
*/
#include <GLFW/glfw3.h>
+#include "vulkan/vulkan.hpp"
#include <stdexcept>
+#include <vector>
namespace vkcv {
@@ -19,4 +21,18 @@ namespace vkcv {
* terminates glfw once, if it was initialized or decreases the counter
*/
void terminateGLFW();
+
+ /**
+ * gets the window width
+ * @param window glfwWindow
+ * @return int with window width
+ */
+ int getWidth(GLFWwindow *window);
+
+ /**
+ * gets the window height
+ * @param window glfwWindow
+ * @return int with window height
+ */
+ int getHeight(GLFWwindow *window);
}
diff --git a/src/vkcv/SwapChain.cpp b/src/vkcv/SwapChain.cpp
index ed999fcda4bc34f04c7ccbdee04aed2f65c268c8..ceee227ef0748538d4ea731ac7487447aa69a340 100644
--- a/src/vkcv/SwapChain.cpp
+++ b/src/vkcv/SwapChain.cpp
@@ -1,40 +1,141 @@
#include "SwapChain.hpp"
#include "CoreManager.hpp"
-#include <iostream>
namespace vkcv {
- SwapChain::SwapChain(vk::SurfaceKHR surface)
- : m_surface(surface)
+ SwapChain::SwapChain(vk::SurfaceKHR surface, const vkcv::Context* context)
+ : m_surface(surface), m_context(context)
{}
- SwapChain SwapChain::create(GLFWwindow* window, const vk::Instance& instance, const vk::PhysicalDevice& physicalDevice, const vk::Device& device){
- vk::SurfaceKHR surface = VK_NULL_HANDLE;
- createSurface(window,surface,instance,physicalDevice);
- vk::SurfaceCapabilitiesKHR surfaceCapabilities;
- if(physicalDevice.getSurfaceCapabilitiesKHR(surface,&surfaceCapabilities) != vk::Result::eSuccess){
- throw std::runtime_error("cannot get surface capabilites. There is an issue with the surface.");
- }
+ SwapChain SwapChain::create(GLFWwindow* window, const vkcv::Context* context){
+
+ const vk::Instance& instance = context->getInstance();
+ const vk::PhysicalDevice& physicalDevice = context->getPhysicalDevice();
+ const vk::Device& device = context->getDevice();
+ vk::SurfaceKHR surface = createSurface(window,instance,physicalDevice);
+ vk::Extent2D extent2D = chooseSwapExtent(physicalDevice, surface, window);
+ vk::SurfaceFormatKHR surfaceFormat = chooseSwapSurfaceFormat(physicalDevice, surface);
+ vk::PresentModeKHR presentMode = choosePresentMode(physicalDevice, surface);
- return SwapChain(surface);
+// vk::SwapchainCreateInfoKHR swapchainCreateInfo(
+// vk::SwapchainCreateFlagBitsKHR()
+// VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR, // VkStructureType sType
+// nullptr, // const void *pNext
+// 0, // VkSwapchainCreateFlagsKHR flags
+// surface, // VkSurfaceKHR surface
+// desired_number_of_images, // uint32_t minImageCount
+// desired_format.format, // VkFormat imageFormat
+// desired_format.colorSpace, // VkColorSpaceKHR imageColorSpace
+// desired_extent, // VkExtent2D imageExtent
+// 1, // uint32_t imageArrayLayers
+// desired_usage, // VkImageUsageFlags imageUsage
+// VK_SHARING_MODE_EXCLUSIVE, // VkSharingMode imageSharingMode
+// 0, // uint32_t queueFamilyIndexCount
+// nullptr, // const uint32_t *pQueueFamilyIndices
+// desired_transform, // VkSurfaceTransformFlagBitsKHR preTransform
+// VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR, // VkCompositeAlphaFlagBitsKHR compositeAlpha
+// desired_present_mode, // VkPresentModeKHR presentMode
+// VK_TRUE, // VkBool32 clipped
+// old_swap_chain // VkSwapchainKHR oldSwapchain
+// );
+
+// vk::SwapchainCreateInfoKHR swapchainCreateInfo(
+// vk::SwapchainCreateFlagsKHR(), //flags
+// surface, // surface
+// surfaceCapabilities.minImageCount, // minImageCount TODO: how many do we need for our application?? "must be less than or equal to the value returned in maxImageCount"
+// vk::Format::eB8G8R8A8Unorm, // imageFormat TODO: what image format should be used?
+// vk::ColorSpaceKHR::eSrgbNonlinear, // imageColorSpace TODO: which color space should be used?
+// vk::Extent2D(width, height), // imageExtent
+// 1, // imageArrayLayers TODO: should we only allow non-stereoscopic applications? yes -> 1, no -> ? "must be greater than 0, less or equal to maxImageArrayLayers"
+// vk::ImageUsageFlagBits::eColorAttachment | vk::ImageUsageFlagBits::eDepthStencilAttachment, // imageUsage TODO: what attachments? only color? depth?
+// vk::SharingMode::eExclusive, // imageSharingMode TODO: which sharing mode? "VK_SHARING_MODE_EXCLUSIV access exclusive to a single queue family, better performance", "VK_SHARING_MODE_CONCURRENT access from multiple queues"
+// 0, // queueFamilyIndexCount, the number of queue families having access to the image(s) of the swapchain when imageSharingMode is VK_SHARING_MODE_CONCURRENT
+// nullptr, // pQueueFamilyIndices, the pointer to an array of queue family indices having access to the images(s) of the swapchain when imageSharingMode is VK_SHARING_MODE_CONCURRENT
+// vk::SurfaceTransformFlagBitsKHR::eIdentity, // preTransform, transformations applied onto the image before display
+// vk::CompositeAlphaFlagBitsKHR::eOpaque, // compositeAlpha, TODO: how to handle transparent pixels? do we need transparency? If no -> opaque
+// vk::PresentModeKHR::eFifo, // presentMode
+// true, // clipped
+// nullptr // oldSwapchain
+// );
+
+ return SwapChain(surface, context);
}
- void SwapChain::createSurface(GLFWwindow *window, vk::SurfaceKHR &surface, const vk::Instance &instance, const vk::PhysicalDevice& physicalDevice) {
+ vk::SurfaceKHR SwapChain::createSurface(GLFWwindow *window, const vk::Instance &instance, const vk::PhysicalDevice& physicalDevice) {
//create surface
- auto newSurface = VkSurfaceKHR(surface);
+ VkSurfaceKHR surface;
// 0 means VK_SUCCESS
//std::cout << "FAIL: " << glfwCreateWindowSurface(VkInstance(instance), window, nullptr, &newSurface) << std::endl;
- if(glfwCreateWindowSurface(VkInstance(instance), window, nullptr, &newSurface) != VK_SUCCESS) {
+ if(glfwCreateWindowSurface(VkInstance(instance), window, nullptr, &surface) != VK_SUCCESS) {
throw std::runtime_error("failed to create a window surface!");
}
vk::Bool32 surfaceSupport = false;
// ToDo: hierfuer brauchen wir jetzt den queuefamiliy Index -> siehe ToDo in Context.cpp
//if(physicalDevice.getSurfaceSupportKHR())
+ return vk::SurfaceKHR(surface);
+ }
+
+ vk::Extent2D SwapChain::chooseSwapExtent(vk::PhysicalDevice physicalDevice, vk::SurfaceKHR surface, GLFWwindow* window){
+ vk::SurfaceCapabilitiesKHR surfaceCapabilities;
+ if(physicalDevice.getSurfaceCapabilitiesKHR(surface,&surfaceCapabilities) != vk::Result::eSuccess){
+ throw std::runtime_error("cannot get surface capabilities. There is an issue with the surface.");
+ }
+
+ VkExtent2D extent2D = {
+ static_cast<uint32_t>(vkcv::getWidth(window)),
+ static_cast<uint32_t>(vkcv::getHeight(window))
+ };
+ extent2D.width = std::max(surfaceCapabilities.minImageExtent.width, std::min(surfaceCapabilities.maxImageExtent.width, extent2D.width));
+ extent2D.height = std::max(surfaceCapabilities.minImageExtent.height, std::min(surfaceCapabilities.maxImageExtent.height, extent2D.height));
+
+ if (extent2D.width > surfaceCapabilities.maxImageExtent.width ||
+ extent2D.width < surfaceCapabilities.minImageExtent.width ||
+ extent2D.height > surfaceCapabilities.maxImageExtent.height ||
+ extent2D.height < surfaceCapabilities.minImageExtent.height) {
+ std::printf("Surface size not matching. Resizing to allowed value.");
+ }
+ return extent2D;
+ }
+
+ vk::SurfaceFormatKHR SwapChain::chooseSwapSurfaceFormat(vk::PhysicalDevice physicalDevice, vk::SurfaceKHR surface) {
+ uint32_t formatCount;
+ physicalDevice.getSurfaceFormatsKHR(surface, &formatCount, nullptr);
+ std::vector<vk::SurfaceFormatKHR> availableFormats(formatCount);
+ if (physicalDevice.getSurfaceFormatsKHR(surface, &formatCount, &availableFormats[0]) != vk::Result::eSuccess) {
+ throw std::runtime_error("Failed to get surface formats");
+ }
+
+ for (const auto& availableFormat : availableFormats) {
+ if (availableFormat.format == vk::Format::eB8G8R8A8Unorm && availableFormat.colorSpace == vk::ColorSpaceKHR::eSrgbNonlinear) {
+ return availableFormat;
+ }
+ }
+ return availableFormats[0];
+ }
+
+ vk::PresentModeKHR SwapChain::choosePresentMode(vk::PhysicalDevice physicalDevice, vk::SurfaceKHR surface) {
+ uint32_t modeCount;
+ physicalDevice.getSurfacePresentModesKHR( surface, &modeCount, nullptr );
+ std::vector<vk::PresentModeKHR> availablePresentModes(modeCount);
+ if (physicalDevice.getSurfacePresentModesKHR(surface, &modeCount, &availablePresentModes[0]) != vk::Result::eSuccess) {
+ throw std::runtime_error("Failed to get presentation modes");
+ }
+
+ for (const auto& availablePresentMode : availablePresentModes) {
+ if (availablePresentMode == vk::PresentModeKHR::eMailbox) {
+ return availablePresentMode;
+ }
+ }
+ return vk::PresentModeKHR::eFifo;
+ }
+ SwapChain::~SwapChain() {
+// m_context->getDevice().destroySwapchainKHR( m_swapChain );
+ m_context->getInstance().destroySurfaceKHR( m_surface );
}
}
\ No newline at end of file
diff --git a/src/vkcv/SwapChain.hpp b/src/vkcv/SwapChain.hpp
index 925cc694260aada0fd59a2729b2038e47507297d..d6f24ef5b18086bb5b6fc817a86808087a770252 100644
--- a/src/vkcv/SwapChain.hpp
+++ b/src/vkcv/SwapChain.hpp
@@ -1,28 +1,38 @@
#pragma once
#include "vulkan/vulkan.hpp"
#include "Context.hpp"
-#include "Window.hpp"
+#include <GLFW/glfw3.h>
+#include <iostream>
// glfw is not initialized in this class because ist must be sure that there exists a context first
// glfw is already initialized by the context or the window class
namespace vkcv {
-
class SwapChain final {
private:
+
vk::SurfaceKHR m_surface;
+ const vkcv::Context* m_context;
+
+ SwapChain(vk::SurfaceKHR surface, const vkcv::Context* context);
- SwapChain(vk::SurfaceKHR);
+ static vk::SurfaceFormatKHR chooseSwapSurfaceFormat(vk::PhysicalDevice physicalDevice, vk::SurfaceKHR surface);
+
+ static vk::PresentModeKHR choosePresentMode(vk::PhysicalDevice physicalDevice, vk::SurfaceKHR surface);
+
+ static vk::Extent2D chooseSwapExtent(vk::PhysicalDevice physicalDevice, vk::SurfaceKHR surface, GLFWwindow* window );
public:
// bin mir grade unsicher wegen der Mehrfachinstanziierung der Klasse
// es muessen ja oefter mal neue erstellt werden, aber diese existieren ja nicht gleichzeitig, oder?
SwapChain(const SwapChain &other) = delete;
SwapChain(SwapChain &&other) = default;
- static SwapChain create(GLFWwindow *window, const vk::Instance& instance,const vk::PhysicalDevice& physicalDevice,const vk::Device& device);
- static void createSurface(GLFWwindow *window, vk::SurfaceKHR& surface, const vk::Instance& instance, const vk::PhysicalDevice& physicalDevice);
+ static SwapChain create(GLFWwindow *window, const vkcv::Context* Context);
+ static vk::SurfaceKHR createSurface(GLFWwindow *window, const vk::Instance& instance, const vk::PhysicalDevice& physicalDevice);
+
+ virtual ~SwapChain();
};
}
\ No newline at end of file
diff --git a/src/vkcv/Window.cpp b/src/vkcv/Window.cpp
index 7d8b86e08f25fe7741db1cfa777f00054aa8cee0..b6514b481bb4e1d63ec09dacc5454158a24ad628 100644
--- a/src/vkcv/Window.cpp
+++ b/src/vkcv/Window.cpp
@@ -7,10 +7,11 @@
#include "Window.hpp"
#include "CoreManager.hpp"
+
namespace vkcv {
- Window::Window(GLFWwindow *window)
- : m_window(window) {
+ Window::Window(GLFWwindow *window, const vkcv::SwapChain *swapChain)
+ : m_window(window), m_swapChain(swapChain){
}
Window::~Window() {
@@ -27,7 +28,12 @@ namespace vkcv {
glfwWindowHint(GLFW_RESIZABLE, resizable ? GLFW_TRUE : GLFW_FALSE);
GLFWwindow *window;
window = glfwCreateWindow(width, height, windowTitle, nullptr, nullptr);
- return Window(window);
+
+ const vkcv::SwapChain swapChain = vkcv::SwapChain::create(
+ window,
+ &context);
+
+ return Window(window, &swapChain);
}
bool Window::isWindowOpen() const {
@@ -41,16 +47,4 @@ namespace vkcv {
GLFWwindow *Window::getWindow() const {
return m_window;
}
-
- int Window::getWidth() const {
- int width;
- glfwGetWindowSize(m_window, &width, nullptr);
- return width;
- }
-
- int Window::getHeight() const {
- int height;
- glfwGetWindowSize(m_window, nullptr, &height);
- return height;
- }
}
\ No newline at end of file
diff --git a/src/vkcv/Window.hpp b/src/vkcv/Window.hpp
index 62440d90143d5c4cd9a31fbdf46819fdeda2d101..816ed3b7bb24f62a6398f5e15b42f28a3b09de2b 100644
--- a/src/vkcv/Window.hpp
+++ b/src/vkcv/Window.hpp
@@ -7,18 +7,20 @@
#define GLFW_INCLUDE_VULKAN
#include <GLFW/glfw3.h>
+#include "SwapChain.hpp"
namespace vkcv {
-
class Window final {
private:
GLFWwindow *m_window;
+ const vkcv::SwapChain* m_swapChain;
+
/**
*
* @param GLFWwindow of the class
*/
- explicit Window(GLFWwindow *window);
+ Window(GLFWwindow *window, const vkcv::SwapChain *swapChain);
public:
/**
@@ -29,8 +31,7 @@ namespace vkcv {
* @param[in] resizable resize ability of the window (optional)
* @return Window class
*/
- static Window create(const char *windowTitle, int width = -1, int height = -1, bool resizable = false);
-
+ static Window create(const vkcv::Context& context, const char *windowTitle, int width = -1, int height = -1, bool resizable = false);
/**
* checks if the window is still open, or the close event was called
* This function should be changed/removed later on
@@ -51,20 +52,6 @@ namespace vkcv {
[[nodiscard]]
GLFWwindow *getWindow() const;
- /**
- * gets the current window width
- * @return int with window width
- */
- [[nodiscard]]
- int getWidth() const;
-
- /**
- * gets the current window height
- * @return int with window height
- */
- [[nodiscard]]
- int getHeight() const;
-
/**
* Copy-operator of #Window is deleted!
*