imgui wip

src/CMakeLists.txt

@@ -18,17 +18,18 @@ find_package(Vulkan REQUIRED)
 
 # Imgui
 file(GLOB imgui_sources dependency/imgui/*.h dependency/imgui/*.cpp)
-file(GLOB imgui_backend
-  dependency/imgui/backends/imgui_impl_vulkan.h
-  dependency/imgui/backends/imgui_impl_vulkan.cpp
+file(GLOB imgui_backend_sdl
   dependency/imgui/backends/imgui_impl_sdl3.h
   dependency/imgui/backends/imgui_impl_sdl3.cpp)
+file(GLOB imgui_backend_vulkan
+  dependency/imgui/backends/imgui_impl_vulkan.h
+  dependency/imgui/backends/imgui_impl_vulkan.cpp)
 
 # Engine
 file(GLOB_RECURSE sources_engine engine/*.cpp engine/*.h)
-add_executable(PuzGameEngine ${sources_engine} ${imgui_sources} ${imgui_backend})
+add_executable(PuzGameEngine ${sources_engine} ${imgui_sources} ${imgui_backend_sdl})
 set_property(TARGET PuzGameEngine PROPERTY CXX_STANDARD 17)
-target_include_directories(PuzGameEngine PUBLIC dependency/imgui dependency/Vulkan-Headers/include)
+target_include_directories(PuzGameEngine PUBLIC dependency/imgui)
 #file(COPY ${data} DESTINATION resources)
 
 #target_compile_options(PuzGameEngine PUBLIC xyz)
@@ -37,9 +38,9 @@ target_include_directories(PuzGameEngine PUBLIC dependency/imgui dependency/Vulk
 # Game
 file(GLOB_RECURSE sources_game game/*.cpp game/*.h)
 file(GLOB source_singleheader dependency/tinygltf/stb_image.h dependency/tinygltf/stb_image_write.h dependency/tinygltf/json.hpp dependency/tinygltf/tiny_gltf.h)
-add_library(PuzGame SHARED ${sources_game} ${source_singleheader} ${imgui_sources})
+add_library(PuzGame SHARED ${sources_game} ${source_singleheader} ${imgui_sources} ${imgui_backend_vulkan})
 set_property(TARGET PuzGame PROPERTY CXX_STANDARD 17)
-target_include_directories(PuzGame PUBLIC dependency/imgui)
+target_include_directories(PuzGame PUBLIC dependency/imgui dependency/Vulkan-Headers/include)
 
 # SDL
 add_subdirectory("${CMAKE_SOURCE_DIR}/dependency/SDL" EXCLUDE_FROM_ALL)
@@ -50,6 +51,6 @@ SET(BGFX_BUILD_EXAMPLES OFF)
 add_subdirectory("${CMAKE_SOURCE_DIR}/dependency/bgfx.cmake")
 
 # Link
-target_link_libraries(PuzGame bx bimg bgfx)
-target_link_libraries(PuzGameEngine bx SDL3::SDL3 Vulkan::Vulkan)
+target_link_libraries(PuzGame bx bimg bgfx Vulkan::Vulkan)
+target_link_libraries(PuzGameEngine bx SDL3::SDL3)
 set_target_properties(PuzGame PROPERTIES OUTPUT_NAME "PuzGame2")

src/engine/Window.cpp

@@ -2,9 +2,10 @@
 #include "SDL3/SDL_mouse.h"
 #include "Shared.h"
 #include "Window.h"
-#include "bx/timer.h"
 #include <SDL3/SDL.h>
+#include <backends/imgui_impl_sdl3.h>
 #include <cstdio>
+#include <imgui.h>
 
 void EngineWindow::Startup(SharedWindowData& shared)
 {
@@ -13,7 +14,7 @@ void EngineWindow::Startup(SharedWindowData& shared)
         printf("Failed to init SDL!\n");
         return;
     }
-    Window = SDL_CreateWindow("SDL", shared.WindowWidth, shared.WindowHeight, SDL_WINDOW_RESIZABLE | SDL_WINDOW_OPENGL);
+    Window = SDL_CreateWindow("SDL", shared.WindowWidth, shared.WindowHeight, SDL_WINDOW_RESIZABLE);
     if (Window == nullptr)
     {
         printf("Failed to init SDL Window!\n");
@@ -29,6 +30,19 @@ void EngineWindow::Startup(SharedWindowData& shared)
         return;
     }
     SDL_SetWindowRelativeMouseMode(Window, true);
+
+    IMGUI_CHECKVERSION();
+    auto* imguiCtx = ImGui::CreateContext();
+    if (imguiCtx == nullptr)
+    {
+        printf("Failed to set up imgui context!\n");
+        return;
+    }
+    if (!ImGui_ImplSDL3_InitForVulkan(Window))
+    {
+        printf("Failed to set up imgui implementation!\n");
+        return;
+    }
 }
 
 void EngineWindow::Update(SharedWindowData& shared)
@@ -37,6 +51,7 @@ void EngineWindow::Update(SharedWindowData& shared)
     SDL_Event evt;
     while (SDL_PollEvent(&evt))
     {
+        ImGui_ImplSDL3_ProcessEvent(&evt);
         switch (evt.type)
         {
         case SDL_EVENT_WINDOW_RESIZED:

src/game/rendering/Rendering.cpp

@@ -15,6 +15,9 @@
 #include <cstdio>
 #include <thread>
 
+#include <backends/imgui_impl_vulkan.h>
+#include <imgui.h>
+
 using namespace std::chrono_literals;
 
 namespace Game
@@ -224,6 +227,12 @@ namespace Game
 
         Materials[0] = Material::LoadFromShader("vert", "frag", Textures[0].Handle, Textures[0].SamplerHandle);
 
+        ImGui_ImplVulkan_InitInfo imguiVkInit;
+
+        // TODO
+        // ImGui_ImplVulkan_Init(&imguiVkInit);
+        // ImGui_ImplVulkan_CreateFontsTexture();
+
         if (!GetInstance().IsInitialized)
         {
             GetInstance().Time.StartTime = bx::getHPCounter();