diff --git a/examples/vulkan_example/CMakeLists.txt b/examples/vulkan_example/CMakeLists.txt new file mode 100644 index 00000000..3657c829 --- /dev/null +++ b/examples/vulkan_example/CMakeLists.txt @@ -0,0 +1,36 @@ +cmake_minimum_required(VERSION 2.8) +project(ImGuiGLFWVulkanExample C CXX) + +if(NOT CMAKE_BUILD_TYPE) + set(CMAKE_BUILD_TYPE Debug CACHE STRING "" FORCE) +endif() + +set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DVK_PROTOTYPES") +set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DVK_PROTOTYPES") + +# GLFW +set(GLFW_DIR ../../../glfw) # Set this to point to a up-to-date GLFW repo +option(GLFW_BUILD_EXAMPLES "Build the GLFW example programs" OFF) +option(GLFW_BUILD_TESTS "Build the GLFW test programs" OFF) +option(GLFW_BUILD_DOCS "Build the GLFW documentation" OFF) +option(GLFW_INSTALL "Generate installation target" OFF) +option(GLFW_DOCUMENT_INTERNALS "Include internals in documentation" OFF) +add_subdirectory(${GLFW_DIR} binary_dir EXCLUDE_FROM_ALL) +include_directories(${GLFW_DIR}/include) + +# ImGui +set(IMGUI_DIR ../../) +include_directories(${IMGUI_DIR}) + +# Libraries +find_library(VULKAN_LIBRARY + NAMES vulkan vulkan-1) +set(LIBRARIES "glfw;${VULKAN_LIBRARY}") + +# Use vulkan headers from glfw: +include_directories(${GLFW_DIR}/deps) + +file(GLOB sources *.cpp) + +add_executable(vulkan_example ${sources} ${IMGUI_DIR}/imgui.cpp ${IMGUI_DIR}/imgui_draw.cpp ${IMGUI_DIR}/imgui_demo.cpp) +target_link_libraries(vulkan_example ${LIBRARIES}) diff --git a/examples/vulkan_example/gen_spv.sh b/examples/vulkan_example/gen_spv.sh new file mode 100755 index 00000000..f95f8fa8 --- /dev/null +++ b/examples/vulkan_example/gen_spv.sh @@ -0,0 +1,4 @@ +#!/bin/bash +glslangValidator -V -o glsl_shader.frag.spv glsl_shader.frag +glslangValidator -V -o glsl_shader.vert.spv glsl_shader.vert +spirv-remap --map all --dce all --strip-all --input glsl_shader.frag.spv glsl_shader.vert.spv --output ./ diff --git a/examples/vulkan_example/glsl_shader.frag b/examples/vulkan_example/glsl_shader.frag new file mode 100644 index 00000000..8205b673 --- /dev/null +++ b/examples/vulkan_example/glsl_shader.frag @@ -0,0 +1,14 @@ +#version 450 core +layout(location = 0, index = 0) out vec4 fColor; + +layout(set=0, binding=0) uniform sampler2D sTexture; + +in block{ + vec4 Color; + vec2 UV; +} In; + +void main() +{ + fColor = In.Color * texture(sTexture, In.UV.st); +} diff --git a/examples/vulkan_example/glsl_shader.vert b/examples/vulkan_example/glsl_shader.vert new file mode 100644 index 00000000..55098fec --- /dev/null +++ b/examples/vulkan_example/glsl_shader.vert @@ -0,0 +1,21 @@ +#version 450 core +layout(location = 0) in vec2 aPos; +layout(location = 1) in vec2 aUV; +layout(location = 2) in vec4 aColor; + +layout(push_constant) uniform uPushConstant{ + vec2 uScale; + vec2 uTranslate; +} pc; + +out block{ + vec4 Color; + vec2 UV; +} Out; + +void main() +{ + Out.Color = aColor; + Out.UV = aUV; + gl_Position = vec4(aPos*pc.uScale+pc.uTranslate, 0, 1); +} diff --git a/examples/vulkan_example/imgui_impl_glfw_vulkan.cpp b/examples/vulkan_example/imgui_impl_glfw_vulkan.cpp new file mode 100644 index 00000000..4774f173 --- /dev/null +++ b/examples/vulkan_example/imgui_impl_glfw_vulkan.cpp @@ -0,0 +1,1002 @@ +// ImGui GLFW binding with Vulkan + shaders +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you use this binding you'll need to call 5 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXX_CreateFontsTexture(), ImGui_ImplXXXX_NewFrame(), ImGui_ImplXXXX_Render() and ImGui_ImplXXXX_Shutdown(). +// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui + +#include <imgui.h> + +// GLFW +#define GLFW_INCLUDE_NONE +#define GLFW_INCLUDE_VULKAN +#include <GLFW/glfw3.h> +#ifdef _WIN32 +#undef APIENTRY +#define GLFW_EXPOSE_NATIVE_WIN32 +#define GLFW_EXPOSE_NATIVE_WGL +#include <GLFW/glfw3native.h> +#endif + +#include "imgui_impl_glfw_vulkan.h" + +// GLFW Data +static GLFWwindow* g_Window = NULL; +static double g_Time = 0.0f; +static bool g_MousePressed[3] = { false, false, false }; +static float g_MouseWheel = 0.0f; + +// Vulkan Data +static VkAllocationCallbacks* g_Allocator = NULL; +static VkPhysicalDevice g_Gpu = VK_NULL_HANDLE; +static VkDevice g_Device = VK_NULL_HANDLE; +static VkRenderPass g_RenderPass = VK_NULL_HANDLE; +static VkPipelineCache g_PipelineCache = VK_NULL_HANDLE; +static VkDescriptorPool g_DescriptorPool = VK_NULL_HANDLE; +static void (*g_CheckVkResult)(VkResult err) = NULL; + +static VkCommandBuffer g_CommandBuffer = VK_NULL_HANDLE; +static size_t g_BufferMemoryAlignment = 256; +static VkPipelineCreateFlags g_PipelineCreateFlags = 0; +static int g_FrameIndex = 0; + +static VkDescriptorSetLayout g_DescriptorSetLayout = VK_NULL_HANDLE; +static VkPipelineLayout g_PipelineLayout = VK_NULL_HANDLE; +static VkDescriptorSet g_DescriptorSet = VK_NULL_HANDLE; +static VkPipeline g_Pipeline = VK_NULL_HANDLE; + +static VkSampler g_FontSampler = VK_NULL_HANDLE; +static VkDeviceMemory g_FontMemory = VK_NULL_HANDLE; +static VkImage g_FontImage = VK_NULL_HANDLE; +static VkImageView g_FontView = VK_NULL_HANDLE; + +static VkDeviceMemory g_VertexBufferMemory[IMGUI_VK_QUEUED_FRAMES] = {}; +static VkDeviceMemory g_IndexBufferMemory[IMGUI_VK_QUEUED_FRAMES] = {}; +static size_t g_VertexBufferSize[IMGUI_VK_QUEUED_FRAMES] = {}; +static size_t g_IndexBufferSize[IMGUI_VK_QUEUED_FRAMES] = {}; +static VkBuffer g_VertexBuffer[IMGUI_VK_QUEUED_FRAMES] = {}; +static VkBuffer g_IndexBuffer[IMGUI_VK_QUEUED_FRAMES] = {}; + +static VkDeviceMemory g_UploadBufferMemory = VK_NULL_HANDLE; +static VkBuffer g_UploadBuffer = VK_NULL_HANDLE; + +static unsigned char __glsl_shader_vert_spv[] = { + 0x03, 0x02, 0x23, 0x07, 0x00, 0x00, 0x01, 0x00, 0x01, 0x00, 0x08, 0x00, + 0x6c, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x11, 0x00, 0x02, 0x00, + 0x01, 0x00, 0x00, 0x00, 0x11, 0x00, 0x02, 0x00, 0x20, 0x00, 0x00, 0x00, + 0x11, 0x00, 0x02, 0x00, 0x21, 0x00, 0x00, 0x00, 0x0b, 0x00, 0x06, 0x00, + 0x01, 0x00, 0x00, 0x00, 0x47, 0x4c, 0x53, 0x4c, 0x2e, 0x73, 0x74, 0x64, + 0x2e, 0x34, 0x35, 0x30, 0x00, 0x00, 0x00, 0x00, 0x0e, 0x00, 0x03, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x0f, 0x00, 0x0a, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x1f, 0x16, 0x00, 0x00, 0x6d, 0x61, 0x69, 0x6e, + 0x00, 0x00, 0x00, 0x00, 0x47, 0x11, 0x00, 0x00, 0x41, 0x14, 0x00, 0x00, + 0x6a, 0x16, 0x00, 0x00, 0x42, 0x13, 0x00, 0x00, 0x80, 0x14, 0x00, 0x00, + 0x47, 0x00, 0x03, 0x00, 0x1a, 0x04, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, + 0x47, 0x00, 0x04, 0x00, 0x41, 0x14, 0x00, 0x00, 0x1e, 0x00, 0x00, 0x00, + 0x02, 0x00, 0x00, 0x00, 0x47, 0x00, 0x04, 0x00, 0x6a, 0x16, 0x00, 0x00, + 0x1e, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x48, 0x00, 0x05, 0x00, + 0xb1, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0b, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x48, 0x00, 0x05, 0x00, 0xb1, 0x02, 0x00, 0x00, + 0x01, 0x00, 0x00, 0x00, 0x0b, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, + 0x48, 0x00, 0x05, 0x00, 0xb1, 0x02, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, + 0x0b, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x48, 0x00, 0x05, 0x00, + 0xb1, 0x02, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x0b, 0x00, 0x00, 0x00, + 0x04, 0x00, 0x00, 0x00, 0x47, 0x00, 0x03, 0x00, 0xb1, 0x02, 0x00, 0x00, + 0x02, 0x00, 0x00, 0x00, 0x47, 0x00, 0x04, 0x00, 0x80, 0x14, 0x00, 0x00, + 0x1e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x48, 0x00, 0x05, 0x00, + 0x06, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x23, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x48, 0x00, 0x05, 0x00, 0x06, 0x04, 0x00, 0x00, + 0x01, 0x00, 0x00, 0x00, 0x23, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, + 0x47, 0x00, 0x03, 0x00, 0x06, 0x04, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, + 0x47, 0x00, 0x04, 0x00, 0xfa, 0x16, 0x00, 0x00, 0x22, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x13, 0x00, 0x02, 0x00, 0x08, 0x00, 0x00, 0x00, + 0x21, 0x00, 0x03, 0x00, 0x02, 0x05, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, + 0x16, 0x00, 0x03, 0x00, 0x0d, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, + 0x17, 0x00, 0x04, 0x00, 0x1d, 0x00, 0x00, 0x00, 0x0d, 0x00, 0x00, 0x00, + 0x04, 0x00, 0x00, 0x00, 0x17, 0x00, 0x04, 0x00, 0x13, 0x00, 0x00, 0x00, + 0x0d, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x1e, 0x00, 0x04, 0x00, + 0x1a, 0x04, 0x00, 0x00, 0x1d, 0x00, 0x00, 0x00, 0x13, 0x00, 0x00, 0x00, + 0x20, 0x00, 0x04, 0x00, 0x97, 0x06, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, + 0x1a, 0x04, 0x00, 0x00, 0x3b, 0x00, 0x04, 0x00, 0x97, 0x06, 0x00, 0x00, + 0x47, 0x11, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x15, 0x00, 0x04, 0x00, + 0x0c, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, + 0x2b, 0x00, 0x04, 0x00, 0x0c, 0x00, 0x00, 0x00, 0x0b, 0x0a, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x20, 0x00, 0x04, 0x00, 0x9a, 0x02, 0x00, 0x00, + 0x01, 0x00, 0x00, 0x00, 0x1d, 0x00, 0x00, 0x00, 0x3b, 0x00, 0x04, 0x00, + 0x9a, 0x02, 0x00, 0x00, 0x41, 0x14, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, + 0x20, 0x00, 0x04, 0x00, 0x9b, 0x02, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, + 0x1d, 0x00, 0x00, 0x00, 0x2b, 0x00, 0x04, 0x00, 0x0c, 0x00, 0x00, 0x00, + 0x0e, 0x0a, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x20, 0x00, 0x04, 0x00, + 0x90, 0x02, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x13, 0x00, 0x00, 0x00, + 0x3b, 0x00, 0x04, 0x00, 0x90, 0x02, 0x00, 0x00, 0x6a, 0x16, 0x00, 0x00, + 0x01, 0x00, 0x00, 0x00, 0x20, 0x00, 0x04, 0x00, 0x91, 0x02, 0x00, 0x00, + 0x03, 0x00, 0x00, 0x00, 0x13, 0x00, 0x00, 0x00, 0x15, 0x00, 0x04, 0x00, + 0x0b, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x2b, 0x00, 0x04, 0x00, 0x0b, 0x00, 0x00, 0x00, 0x0d, 0x0a, 0x00, 0x00, + 0x01, 0x00, 0x00, 0x00, 0x1c, 0x00, 0x04, 0x00, 0x7f, 0x02, 0x00, 0x00, + 0x0d, 0x00, 0x00, 0x00, 0x0d, 0x0a, 0x00, 0x00, 0x1e, 0x00, 0x06, 0x00, + 0xb1, 0x02, 0x00, 0x00, 0x1d, 0x00, 0x00, 0x00, 0x0d, 0x00, 0x00, 0x00, + 0x7f, 0x02, 0x00, 0x00, 0x7f, 0x02, 0x00, 0x00, 0x20, 0x00, 0x04, 0x00, + 0x2e, 0x05, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0xb1, 0x02, 0x00, 0x00, + 0x3b, 0x00, 0x04, 0x00, 0x2e, 0x05, 0x00, 0x00, 0x42, 0x13, 0x00, 0x00, + 0x03, 0x00, 0x00, 0x00, 0x3b, 0x00, 0x04, 0x00, 0x90, 0x02, 0x00, 0x00, + 0x80, 0x14, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x1e, 0x00, 0x04, 0x00, + 0x06, 0x04, 0x00, 0x00, 0x13, 0x00, 0x00, 0x00, 0x13, 0x00, 0x00, 0x00, + 0x20, 0x00, 0x04, 0x00, 0x83, 0x06, 0x00, 0x00, 0x09, 0x00, 0x00, 0x00, + 0x06, 0x04, 0x00, 0x00, 0x3b, 0x00, 0x04, 0x00, 0x83, 0x06, 0x00, 0x00, + 0xfa, 0x16, 0x00, 0x00, 0x09, 0x00, 0x00, 0x00, 0x20, 0x00, 0x04, 0x00, + 0x92, 0x02, 0x00, 0x00, 0x09, 0x00, 0x00, 0x00, 0x13, 0x00, 0x00, 0x00, + 0x2b, 0x00, 0x04, 0x00, 0x0d, 0x00, 0x00, 0x00, 0x0c, 0x0a, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x2b, 0x00, 0x04, 0x00, 0x0d, 0x00, 0x00, 0x00, + 0x8a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x3f, 0x36, 0x00, 0x05, 0x00, + 0x08, 0x00, 0x00, 0x00, 0x1f, 0x16, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x02, 0x05, 0x00, 0x00, 0xf8, 0x00, 0x02, 0x00, 0x6b, 0x60, 0x00, 0x00, + 0x3d, 0x00, 0x04, 0x00, 0x1d, 0x00, 0x00, 0x00, 0x71, 0x4e, 0x00, 0x00, + 0x41, 0x14, 0x00, 0x00, 0x41, 0x00, 0x05, 0x00, 0x9b, 0x02, 0x00, 0x00, + 0xaa, 0x26, 0x00, 0x00, 0x47, 0x11, 0x00, 0x00, 0x0b, 0x0a, 0x00, 0x00, + 0x3e, 0x00, 0x03, 0x00, 0xaa, 0x26, 0x00, 0x00, 0x71, 0x4e, 0x00, 0x00, + 0x3d, 0x00, 0x04, 0x00, 0x13, 0x00, 0x00, 0x00, 0xda, 0x35, 0x00, 0x00, + 0x6a, 0x16, 0x00, 0x00, 0x41, 0x00, 0x05, 0x00, 0x91, 0x02, 0x00, 0x00, + 0xea, 0x50, 0x00, 0x00, 0x47, 0x11, 0x00, 0x00, 0x0e, 0x0a, 0x00, 0x00, + 0x3e, 0x00, 0x03, 0x00, 0xea, 0x50, 0x00, 0x00, 0xda, 0x35, 0x00, 0x00, + 0x3d, 0x00, 0x04, 0x00, 0x13, 0x00, 0x00, 0x00, 0xc7, 0x35, 0x00, 0x00, + 0x80, 0x14, 0x00, 0x00, 0x41, 0x00, 0x05, 0x00, 0x92, 0x02, 0x00, 0x00, + 0xef, 0x56, 0x00, 0x00, 0xfa, 0x16, 0x00, 0x00, 0x0b, 0x0a, 0x00, 0x00, + 0x3d, 0x00, 0x04, 0x00, 0x13, 0x00, 0x00, 0x00, 0xe0, 0x29, 0x00, 0x00, + 0xef, 0x56, 0x00, 0x00, 0x85, 0x00, 0x05, 0x00, 0x13, 0x00, 0x00, 0x00, + 0xa0, 0x22, 0x00, 0x00, 0xc7, 0x35, 0x00, 0x00, 0xe0, 0x29, 0x00, 0x00, + 0x41, 0x00, 0x05, 0x00, 0x92, 0x02, 0x00, 0x00, 0x42, 0x2c, 0x00, 0x00, + 0xfa, 0x16, 0x00, 0x00, 0x0e, 0x0a, 0x00, 0x00, 0x3d, 0x00, 0x04, 0x00, + 0x13, 0x00, 0x00, 0x00, 0x09, 0x60, 0x00, 0x00, 0x42, 0x2c, 0x00, 0x00, + 0x81, 0x00, 0x05, 0x00, 0x13, 0x00, 0x00, 0x00, 0xd1, 0x4e, 0x00, 0x00, + 0xa0, 0x22, 0x00, 0x00, 0x09, 0x60, 0x00, 0x00, 0x51, 0x00, 0x05, 0x00, + 0x0d, 0x00, 0x00, 0x00, 0xa1, 0x41, 0x00, 0x00, 0xd1, 0x4e, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x51, 0x00, 0x05, 0x00, 0x0d, 0x00, 0x00, 0x00, + 0x84, 0x36, 0x00, 0x00, 0xd1, 0x4e, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, + 0x50, 0x00, 0x07, 0x00, 0x1d, 0x00, 0x00, 0x00, 0x54, 0x47, 0x00, 0x00, + 0xa1, 0x41, 0x00, 0x00, 0x84, 0x36, 0x00, 0x00, 0x0c, 0x0a, 0x00, 0x00, + 0x8a, 0x00, 0x00, 0x00, 0x41, 0x00, 0x05, 0x00, 0x9b, 0x02, 0x00, 0x00, + 0x17, 0x2f, 0x00, 0x00, 0x42, 0x13, 0x00, 0x00, 0x0b, 0x0a, 0x00, 0x00, + 0x3e, 0x00, 0x03, 0x00, 0x17, 0x2f, 0x00, 0x00, 0x54, 0x47, 0x00, 0x00, + 0xfd, 0x00, 0x01, 0x00, 0x38, 0x00, 0x01, 0x00 +}; +static unsigned int __glsl_shader_vert_spv_len = 1172; + +static unsigned char __glsl_shader_frag_spv[] = { + 0x03, 0x02, 0x23, 0x07, 0x00, 0x00, 0x01, 0x00, 0x01, 0x00, 0x08, 0x00, + 0x6c, 0x5d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x11, 0x00, 0x02, 0x00, + 0x01, 0x00, 0x00, 0x00, 0x0b, 0x00, 0x06, 0x00, 0x01, 0x00, 0x00, 0x00, + 0x47, 0x4c, 0x53, 0x4c, 0x2e, 0x73, 0x74, 0x64, 0x2e, 0x34, 0x35, 0x30, + 0x00, 0x00, 0x00, 0x00, 0x0e, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x01, 0x00, 0x00, 0x00, 0x0f, 0x00, 0x07, 0x00, 0x04, 0x00, 0x00, 0x00, + 0x1f, 0x16, 0x00, 0x00, 0x6d, 0x61, 0x69, 0x6e, 0x00, 0x00, 0x00, 0x00, + 0x7a, 0x0c, 0x00, 0x00, 0x35, 0x16, 0x00, 0x00, 0x10, 0x00, 0x03, 0x00, + 0x1f, 0x16, 0x00, 0x00, 0x07, 0x00, 0x00, 0x00, 0x47, 0x00, 0x04, 0x00, + 0x7a, 0x0c, 0x00, 0x00, 0x1e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x47, 0x00, 0x04, 0x00, 0x7a, 0x0c, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x47, 0x00, 0x03, 0x00, 0x1a, 0x04, 0x00, 0x00, + 0x02, 0x00, 0x00, 0x00, 0x47, 0x00, 0x04, 0x00, 0xec, 0x14, 0x00, 0x00, + 0x22, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x47, 0x00, 0x04, 0x00, + 0xec, 0x14, 0x00, 0x00, 0x21, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x13, 0x00, 0x02, 0x00, 0x08, 0x00, 0x00, 0x00, 0x21, 0x00, 0x03, 0x00, + 0x02, 0x05, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x16, 0x00, 0x03, 0x00, + 0x0d, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x17, 0x00, 0x04, 0x00, + 0x1d, 0x00, 0x00, 0x00, 0x0d, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, + 0x20, 0x00, 0x04, 0x00, 0x9a, 0x02, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, + 0x1d, 0x00, 0x00, 0x00, 0x3b, 0x00, 0x04, 0x00, 0x9a, 0x02, 0x00, 0x00, + 0x7a, 0x0c, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x17, 0x00, 0x04, 0x00, + 0x13, 0x00, 0x00, 0x00, 0x0d, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, + 0x1e, 0x00, 0x04, 0x00, 0x1a, 0x04, 0x00, 0x00, 0x1d, 0x00, 0x00, 0x00, + 0x13, 0x00, 0x00, 0x00, 0x20, 0x00, 0x04, 0x00, 0x97, 0x06, 0x00, 0x00, + 0x01, 0x00, 0x00, 0x00, 0x1a, 0x04, 0x00, 0x00, 0x3b, 0x00, 0x04, 0x00, + 0x97, 0x06, 0x00, 0x00, 0x35, 0x16, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, + 0x15, 0x00, 0x04, 0x00, 0x0c, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, + 0x01, 0x00, 0x00, 0x00, 0x2b, 0x00, 0x04, 0x00, 0x0c, 0x00, 0x00, 0x00, + 0x0b, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x00, 0x04, 0x00, + 0x9b, 0x02, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x1d, 0x00, 0x00, 0x00, + 0x19, 0x00, 0x09, 0x00, 0x96, 0x00, 0x00, 0x00, 0x0d, 0x00, 0x00, 0x00, + 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x1b, 0x00, 0x03, 0x00, 0xfe, 0x01, 0x00, 0x00, 0x96, 0x00, 0x00, 0x00, + 0x20, 0x00, 0x04, 0x00, 0x7b, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0xfe, 0x01, 0x00, 0x00, 0x3b, 0x00, 0x04, 0x00, 0x7b, 0x04, 0x00, 0x00, + 0xec, 0x14, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x2b, 0x00, 0x04, 0x00, + 0x0c, 0x00, 0x00, 0x00, 0x0e, 0x0a, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, + 0x20, 0x00, 0x04, 0x00, 0x90, 0x02, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, + 0x13, 0x00, 0x00, 0x00, 0x36, 0x00, 0x05, 0x00, 0x08, 0x00, 0x00, 0x00, + 0x1f, 0x16, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x05, 0x00, 0x00, + 0xf8, 0x00, 0x02, 0x00, 0x6b, 0x5d, 0x00, 0x00, 0x41, 0x00, 0x05, 0x00, + 0x9b, 0x02, 0x00, 0x00, 0x8d, 0x1b, 0x00, 0x00, 0x35, 0x16, 0x00, 0x00, + 0x0b, 0x0a, 0x00, 0x00, 0x3d, 0x00, 0x04, 0x00, 0x1d, 0x00, 0x00, 0x00, + 0x0b, 0x40, 0x00, 0x00, 0x8d, 0x1b, 0x00, 0x00, 0x3d, 0x00, 0x04, 0x00, + 0xfe, 0x01, 0x00, 0x00, 0xc0, 0x36, 0x00, 0x00, 0xec, 0x14, 0x00, 0x00, + 0x41, 0x00, 0x05, 0x00, 0x90, 0x02, 0x00, 0x00, 0xc2, 0x43, 0x00, 0x00, + 0x35, 0x16, 0x00, 0x00, 0x0e, 0x0a, 0x00, 0x00, 0x3d, 0x00, 0x04, 0x00, + 0x13, 0x00, 0x00, 0x00, 0x02, 0x4e, 0x00, 0x00, 0xc2, 0x43, 0x00, 0x00, + 0x57, 0x00, 0x05, 0x00, 0x1d, 0x00, 0x00, 0x00, 0xb9, 0x46, 0x00, 0x00, + 0xc0, 0x36, 0x00, 0x00, 0x02, 0x4e, 0x00, 0x00, 0x85, 0x00, 0x05, 0x00, + 0x1d, 0x00, 0x00, 0x00, 0xe4, 0x23, 0x00, 0x00, 0x0b, 0x40, 0x00, 0x00, + 0xb9, 0x46, 0x00, 0x00, 0x3e, 0x00, 0x03, 0x00, 0x7a, 0x0c, 0x00, 0x00, + 0xe4, 0x23, 0x00, 0x00, 0xfd, 0x00, 0x01, 0x00, 0x38, 0x00, 0x01, 0x00 +}; +static unsigned int __glsl_shader_frag_spv_len = 660; + +static uint32_t ImGui_ImplGlfwVulkan_MemoryType(VkMemoryPropertyFlags properties, uint32_t type_bits) +{ + VkPhysicalDeviceMemoryProperties prop; + vkGetPhysicalDeviceMemoryProperties(g_Gpu, &prop); + for(uint32_t i=0; i < prop.memoryTypeCount; ++i) + if((prop.memoryTypes[i].propertyFlags & properties) == properties && + type_bits & (1<<i)) + return i; + return 0xffffffff; // Unable to find memoryType +} +static void ImGui_ImplGlfwVulkan_VkResult(VkResult err) +{ + if(g_CheckVkResult) + g_CheckVkResult(err); +} + +// This is the main rendering function that you have to implement and provide to ImGui (via setting up 'RenderDrawListsFn' in the ImGuiIO structure) +void ImGui_ImplGlfwVulkan_RenderDrawLists(ImDrawData* draw_data) +{ + VkResult err; + ImGuiIO& io = ImGui::GetIO(); + + // Create the Vertex Buffer: + size_t vertex_size = draw_data->TotalVtxCount * sizeof(ImDrawVert); + if(!g_VertexBuffer[g_FrameIndex] || + g_VertexBufferSize[g_FrameIndex] < vertex_size){ + if(g_VertexBuffer[g_FrameIndex]) + vkDestroyBuffer(g_Device, g_VertexBuffer[g_FrameIndex], g_Allocator); + if(g_VertexBufferMemory[g_FrameIndex]) + vkFreeMemory(g_Device, g_VertexBufferMemory[g_FrameIndex], g_Allocator); + size_t vertex_buffer_size = ((vertex_size-1)/g_BufferMemoryAlignment+1)*g_BufferMemoryAlignment; + VkBufferCreateInfo buffer_info = {}; + buffer_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO; + buffer_info.size = vertex_buffer_size; + buffer_info.usage = VK_BUFFER_USAGE_VERTEX_BUFFER_BIT; + buffer_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; + err = vkCreateBuffer(g_Device, + &buffer_info, + g_Allocator, + &g_VertexBuffer[g_FrameIndex]); + ImGui_ImplGlfwVulkan_VkResult(err); + VkMemoryRequirements req; + vkGetBufferMemoryRequirements(g_Device, g_VertexBuffer[g_FrameIndex], &req); + g_BufferMemoryAlignment = (g_BufferMemoryAlignment > req.alignment) ? g_BufferMemoryAlignment : req.alignment; + VkMemoryAllocateInfo alloc_info = {}; + alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; + alloc_info.allocationSize = req.size; + alloc_info.memoryTypeIndex = ImGui_ImplGlfwVulkan_MemoryType( + VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, + req.memoryTypeBits); + err = vkAllocateMemory(g_Device, + &alloc_info, + g_Allocator, + &g_VertexBufferMemory[g_FrameIndex]); + ImGui_ImplGlfwVulkan_VkResult(err); + err = vkBindBufferMemory(g_Device, + g_VertexBuffer[g_FrameIndex], + g_VertexBufferMemory[g_FrameIndex], 0); + ImGui_ImplGlfwVulkan_VkResult(err); + g_VertexBufferSize[g_FrameIndex] = vertex_buffer_size; + } + // Create the Index Buffer: + size_t index_size = draw_data->TotalIdxCount * sizeof(ImDrawIdx); + if(!g_IndexBuffer[g_FrameIndex] || + g_IndexBufferSize[g_FrameIndex] < index_size){ + if(g_IndexBuffer[g_FrameIndex]) + vkDestroyBuffer(g_Device, g_IndexBuffer[g_FrameIndex], g_Allocator); + if(g_IndexBufferMemory[g_FrameIndex]) + vkFreeMemory(g_Device, g_IndexBufferMemory[g_FrameIndex], g_Allocator); + size_t index_buffer_size = ((index_size-1)/g_BufferMemoryAlignment+1)*g_BufferMemoryAlignment; + VkBufferCreateInfo buffer_info = {}; + buffer_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO; + buffer_info.size = index_buffer_size; + buffer_info.usage = VK_BUFFER_USAGE_INDEX_BUFFER_BIT; + buffer_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; + err = vkCreateBuffer(g_Device, + &buffer_info, + g_Allocator, + &g_IndexBuffer[g_FrameIndex]); + ImGui_ImplGlfwVulkan_VkResult(err); + VkMemoryRequirements req; + vkGetBufferMemoryRequirements(g_Device, g_IndexBuffer[g_FrameIndex], &req); + g_BufferMemoryAlignment = (g_BufferMemoryAlignment > req.alignment) ? g_BufferMemoryAlignment : req.alignment; + VkMemoryAllocateInfo alloc_info = {}; + alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; + alloc_info.allocationSize = req.size; + alloc_info.memoryTypeIndex = ImGui_ImplGlfwVulkan_MemoryType( + VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, + req.memoryTypeBits); + err = vkAllocateMemory(g_Device, + &alloc_info, + g_Allocator, + &g_IndexBufferMemory[g_FrameIndex]); + ImGui_ImplGlfwVulkan_VkResult(err); + err = vkBindBufferMemory(g_Device, + g_IndexBuffer[g_FrameIndex], + g_IndexBufferMemory[g_FrameIndex], 0); + ImGui_ImplGlfwVulkan_VkResult(err); + g_IndexBufferSize[g_FrameIndex] = index_buffer_size; + } + // Upload Vertex and index Data: + { + ImDrawVert* vtx_dst; + ImDrawIdx* idx_dst; + err = vkMapMemory(g_Device, g_VertexBufferMemory[g_FrameIndex], + 0, vertex_size, 0, + reinterpret_cast<void**>(&vtx_dst)); + ImGui_ImplGlfwVulkan_VkResult(err); + err = vkMapMemory(g_Device, g_IndexBufferMemory[g_FrameIndex], + 0, index_size, 0, + reinterpret_cast<void**>(&idx_dst)); + ImGui_ImplGlfwVulkan_VkResult(err); + for(int n = 0; n < draw_data->CmdListsCount; n++){ + const ImDrawList* cmd_list = draw_data->CmdLists[n]; + memcpy(vtx_dst, &cmd_list->VtxBuffer[0], + cmd_list->VtxBuffer.size() * sizeof(ImDrawVert)); + memcpy(idx_dst, &cmd_list->IdxBuffer[0], + cmd_list->IdxBuffer.size() * sizeof(ImDrawIdx)); + vtx_dst += cmd_list->VtxBuffer.size(); + idx_dst += cmd_list->IdxBuffer.size(); + } + VkMappedMemoryRange range[2] = {}; + range[0].sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE; + range[0].memory = g_VertexBufferMemory[g_FrameIndex]; + range[0].size = vertex_size; + range[1].sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE; + range[1].memory = g_IndexBufferMemory[g_FrameIndex]; + range[1].size = index_size; + err = vkFlushMappedMemoryRanges(g_Device, 2, range); + ImGui_ImplGlfwVulkan_VkResult(err); + vkUnmapMemory(g_Device, g_VertexBufferMemory[g_FrameIndex]); + vkUnmapMemory(g_Device, g_IndexBufferMemory[g_FrameIndex]); + } + // Bind pipeline and descriptor sets: + { + vkCmdBindPipeline(g_CommandBuffer, + VK_PIPELINE_BIND_POINT_GRAPHICS, + g_Pipeline); + VkDescriptorSet desc_set[1] = {g_DescriptorSet}; + vkCmdBindDescriptorSets(g_CommandBuffer, + VK_PIPELINE_BIND_POINT_GRAPHICS, + g_PipelineLayout, + 0, 1, desc_set, + 0, NULL); + } + // Bind Vertex And Index Buffer: + { + VkBuffer vertex_buffers[1] = {g_VertexBuffer[g_FrameIndex]}; + VkDeviceSize vertex_offset[1] = {0}; + vkCmdBindVertexBuffers(g_CommandBuffer, + 0, 1, + vertex_buffers, vertex_offset); + vkCmdBindIndexBuffer(g_CommandBuffer, + g_IndexBuffer[g_FrameIndex], + 0, VK_INDEX_TYPE_UINT16); + } + // Setup viewport: + { + VkViewport viewport; + viewport.x = 0; + viewport.y = 0; + viewport.width = ImGui::GetIO().DisplaySize.x; + viewport.height = ImGui::GetIO().DisplaySize.y; + viewport.minDepth = 0.0f; + viewport.maxDepth = 1.0f; + vkCmdSetViewport(g_CommandBuffer, 0, 1, &viewport); + } + // Setup scale and translation: + { + float scale[2]; + scale[0] = 2.0f/io.DisplaySize.x; + scale[1] = 2.0f/io.DisplaySize.y; + float translate[2]; + translate[0] = -1.0f; + translate[1] = -1.0f; + vkCmdPushConstants(g_CommandBuffer, + g_PipelineLayout, + VK_SHADER_STAGE_VERTEX_BIT, + sizeof(float) * 0, + sizeof(float) * 2, + scale); + vkCmdPushConstants(g_CommandBuffer, + g_PipelineLayout, + VK_SHADER_STAGE_VERTEX_BIT, + sizeof(float) * 2, + sizeof(float) * 2, + translate); + } + // Render the command lists: + int vtx_offset = 0; + int idx_offset = 0; + for(int n = 0; n < draw_data->CmdListsCount; n++){ + const ImDrawList* cmd_list = draw_data->CmdLists[n]; + for(int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.size(); cmd_i++){ + const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i]; + if(pcmd->UserCallback){ + pcmd->UserCallback(cmd_list, pcmd); + } + else{ + VkRect2D scissor; + scissor.offset.x = static_cast<int32_t>(pcmd->ClipRect.x); + scissor.offset.y = static_cast<int32_t>(pcmd->ClipRect.y); + scissor.extent.width = static_cast<uint32_t>(pcmd->ClipRect.z - pcmd->ClipRect.x); + scissor.extent.height = static_cast<uint32_t>(pcmd->ClipRect.w - pcmd->ClipRect.y + 1); // TODO: + 1?????? + vkCmdSetScissor(g_CommandBuffer, 0, 1, &scissor); + vkCmdDrawIndexed(g_CommandBuffer, + pcmd->ElemCount, 1, + idx_offset, vtx_offset, 0); + } + idx_offset += pcmd->ElemCount; + } + vtx_offset += cmd_list->VtxBuffer.size(); + } +} + +static const char* ImGui_ImplGlfwVulkan_GetClipboardText() +{ + return glfwGetClipboardString(g_Window); +} + +static void ImGui_ImplGlfwVulkan_SetClipboardText(const char* text) +{ + glfwSetClipboardString(g_Window, text); +} + +void ImGui_ImplGlfwVulkan_MouseButtonCallback(GLFWwindow*, int button, int action, int /*mods*/) +{ + if (action == GLFW_PRESS && button >= 0 && button < 3) + g_MousePressed[button] = true; +} + +void ImGui_ImplGlfwVulkan_ScrollCallback(GLFWwindow*, double /*xoffset*/, double yoffset) +{ + g_MouseWheel += (float)yoffset; // Use fractional mouse wheel, 1.0 unit 5 lines. +} + +void ImGui_ImplGlfwVulkan_KeyCallback(GLFWwindow*, int key, int, int action, int mods) +{ + ImGuiIO& io = ImGui::GetIO(); + if (action == GLFW_PRESS) + io.KeysDown[key] = true; + if (action == GLFW_RELEASE) + io.KeysDown[key] = false; + + (void)mods; // Modifiers are not reliable across systems + io.KeyCtrl = io.KeysDown[GLFW_KEY_LEFT_CONTROL] || io.KeysDown[GLFW_KEY_RIGHT_CONTROL]; + io.KeyShift = io.KeysDown[GLFW_KEY_LEFT_SHIFT] || io.KeysDown[GLFW_KEY_RIGHT_SHIFT]; + io.KeyAlt = io.KeysDown[GLFW_KEY_LEFT_ALT] || io.KeysDown[GLFW_KEY_RIGHT_ALT]; +} + +void ImGui_ImplGlfwVulkan_CharCallback(GLFWwindow*, unsigned int c) +{ + ImGuiIO& io = ImGui::GetIO(); + if (c > 0 && c < 0x10000) + io.AddInputCharacter((unsigned short)c); +} + +bool ImGui_ImplGlfwVulkan_CreateFontsTexture(VkCommandBuffer command_buffer) +{ + ImGuiIO& io = ImGui::GetIO(); + + unsigned char* pixels; + int width, height; + io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); + size_t upload_size = width*height*4*sizeof(char); + + VkResult err; + // Create the Image: + { + VkImageCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO; + info.imageType = VK_IMAGE_TYPE_2D; + info.format = VK_FORMAT_R8G8B8A8_UNORM; + info.extent.width = width; + info.extent.height = height; + info.extent.depth = 1; + info.mipLevels = 1; + info.arrayLayers = 1; + info.samples = VK_SAMPLE_COUNT_1_BIT; + info.tiling = VK_IMAGE_TILING_OPTIMAL; + info.usage = + VK_IMAGE_USAGE_SAMPLED_BIT | + VK_IMAGE_USAGE_TRANSFER_DST_BIT; + info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; + info.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED; + err = vkCreateImage(g_Device, + &info, + g_Allocator, + &g_FontImage); + ImGui_ImplGlfwVulkan_VkResult(err); + VkMemoryRequirements req; + vkGetImageMemoryRequirements(g_Device, g_FontImage, &req); + VkMemoryAllocateInfo alloc_info = {}; + alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; + alloc_info.allocationSize = req.size; + alloc_info.memoryTypeIndex = ImGui_ImplGlfwVulkan_MemoryType( + VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, + req.memoryTypeBits); + err = vkAllocateMemory(g_Device, + &alloc_info, + g_Allocator, + &g_FontMemory); + ImGui_ImplGlfwVulkan_VkResult(err); + err = vkBindImageMemory(g_Device, g_FontImage, g_FontMemory, 0); + ImGui_ImplGlfwVulkan_VkResult(err); + } + // Create the Image View: + { + VkResult err; + VkImageViewCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO; + info.image = g_FontImage; + info.viewType = VK_IMAGE_VIEW_TYPE_2D; + info.format = VK_FORMAT_R8G8B8A8_UNORM; + info.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; + info.subresourceRange.levelCount = 1; + info.subresourceRange.layerCount = 1; + err = vkCreateImageView(g_Device, + &info, + g_Allocator, + &g_FontView); + ImGui_ImplGlfwVulkan_VkResult(err); + } + // Update the Descriptor Set: + { + VkDescriptorImageInfo desc_image[1] = {}; + desc_image[0].sampler = g_FontSampler; + desc_image[0].imageView = g_FontView; + desc_image[0].imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL; + VkWriteDescriptorSet write_desc[1] = {}; + write_desc[0].sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET; + write_desc[0].dstSet = g_DescriptorSet; + write_desc[0].descriptorCount = 1; + write_desc[0].descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER; + write_desc[0].pImageInfo = desc_image; + vkUpdateDescriptorSets(g_Device, + 1, write_desc, + 0, NULL); + } + // Create the Upload Buffer: + { + VkBufferCreateInfo buffer_info = {}; + buffer_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO; + buffer_info.size = upload_size; + buffer_info.usage = VK_BUFFER_USAGE_TRANSFER_SRC_BIT; + buffer_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; + err = vkCreateBuffer(g_Device, + &buffer_info, + g_Allocator, + &g_UploadBuffer); + ImGui_ImplGlfwVulkan_VkResult(err); + VkMemoryRequirements req; + vkGetBufferMemoryRequirements(g_Device, g_UploadBuffer, &req); + g_BufferMemoryAlignment = (g_BufferMemoryAlignment > req.alignment) ? g_BufferMemoryAlignment : req.alignment; + VkMemoryAllocateInfo alloc_info = {}; + alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; + alloc_info.allocationSize = req.size; + alloc_info.memoryTypeIndex = ImGui_ImplGlfwVulkan_MemoryType( + VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, + req.memoryTypeBits); + err = vkAllocateMemory(g_Device, + &alloc_info, + g_Allocator, + &g_UploadBufferMemory); + ImGui_ImplGlfwVulkan_VkResult(err); + err = vkBindBufferMemory(g_Device, g_UploadBuffer, g_UploadBufferMemory, 0); + ImGui_ImplGlfwVulkan_VkResult(err); + } + // Upload to Buffer: + { + char *map; + err = vkMapMemory(g_Device, g_UploadBufferMemory, 0, upload_size, 0, + reinterpret_cast<void**>(&map)); + ImGui_ImplGlfwVulkan_VkResult(err); + memcpy(map, pixels, upload_size); + VkMappedMemoryRange range[1] = {}; + range[0].sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE; + range[0].memory = g_UploadBufferMemory; + range[0].size = upload_size; + err = vkFlushMappedMemoryRanges(g_Device, 1, range); + ImGui_ImplGlfwVulkan_VkResult(err); + vkUnmapMemory(g_Device, g_UploadBufferMemory); + } + // Copy to Image: + { + VkImageMemoryBarrier copy_barrier[1] = {}; + copy_barrier[0].sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER; + copy_barrier[0].dstAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT; + copy_barrier[0].oldLayout = VK_IMAGE_LAYOUT_UNDEFINED; + copy_barrier[0].newLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL; + copy_barrier[0].srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; + copy_barrier[0].dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; + copy_barrier[0].image = g_FontImage; + copy_barrier[0].subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; + copy_barrier[0].subresourceRange.levelCount = 1; + copy_barrier[0].subresourceRange.layerCount = 1; + vkCmdPipelineBarrier(command_buffer, + VK_PIPELINE_STAGE_HOST_BIT, + VK_PIPELINE_STAGE_TRANSFER_BIT, + 0, + 0, NULL, 0, NULL, 1, copy_barrier); + VkBufferImageCopy region = {}; + region.imageSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; + region.imageSubresource.layerCount = 1; + region.imageExtent.width = width; + region.imageExtent.height = height; + vkCmdCopyBufferToImage(command_buffer, + g_UploadBuffer, + g_FontImage, + VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, + 1, ®ion); + VkImageMemoryBarrier use_barrier[1] = {}; + use_barrier[0].sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER; + use_barrier[0].srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT; + use_barrier[0].dstAccessMask = VK_ACCESS_SHADER_READ_BIT; + use_barrier[0].oldLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL; + use_barrier[0].newLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL; + use_barrier[0].srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; + use_barrier[0].dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; + use_barrier[0].image = g_FontImage; + use_barrier[0].subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; + use_barrier[0].subresourceRange.levelCount = 1; + use_barrier[0].subresourceRange.layerCount = 1; + vkCmdPipelineBarrier(command_buffer, + VK_PIPELINE_STAGE_TRANSFER_BIT, + VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT, + 0, + 0, NULL, 0, NULL, 1, use_barrier); + } + io.Fonts->TexID = (void *)(intptr_t)g_FontImage; + + io.Fonts->ClearInputData(); + io.Fonts->ClearTexData(); + + return true; +} + +bool ImGui_ImplGlfwVulkan_CreateDeviceObjects() +{ + VkResult err; + + VkShaderModule vert_module; + VkShaderModule frag_module; + + // Create The Shader Modules: + { + VkShaderModuleCreateInfo vert_info = {}; + vert_info.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO; + vert_info.codeSize = __glsl_shader_vert_spv_len; + vert_info.pCode = (uint32_t*)__glsl_shader_vert_spv; + err = vkCreateShaderModule(g_Device, &vert_info, g_Allocator, &vert_module); + ImGui_ImplGlfwVulkan_VkResult(err); + VkShaderModuleCreateInfo frag_info = {}; + frag_info.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO; + frag_info.codeSize = __glsl_shader_frag_spv_len; + frag_info.pCode = (uint32_t*)__glsl_shader_frag_spv; + err = vkCreateShaderModule(g_Device, &frag_info, g_Allocator, &frag_module); + ImGui_ImplGlfwVulkan_VkResult(err); + } + if(!g_FontSampler){ + VkSamplerCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO; + info.magFilter = VK_FILTER_LINEAR; + info.minFilter = VK_FILTER_LINEAR; + info.mipmapMode = VK_SAMPLER_MIPMAP_MODE_LINEAR; + info.addressModeU = VK_SAMPLER_ADDRESS_MODE_REPEAT; + info.addressModeV = VK_SAMPLER_ADDRESS_MODE_REPEAT; + info.addressModeW = VK_SAMPLER_ADDRESS_MODE_REPEAT; + info.minLod = -1000; + info.maxLod = 1000; + err = vkCreateSampler(g_Device, + &info, + g_Allocator, + &g_FontSampler); + ImGui_ImplGlfwVulkan_VkResult(err); + } + if(!g_DescriptorSetLayout){ + VkSampler sampler[1] = {g_FontSampler}; + VkDescriptorSetLayoutBinding binding[1] = {}; + binding[0].descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER; + binding[0].descriptorCount = 1; + binding[0].stageFlags = VK_SHADER_STAGE_FRAGMENT_BIT; + binding[0].pImmutableSamplers = sampler; + VkDescriptorSetLayoutCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO; + info.bindingCount = 1; + info.pBindings = binding; + err = vkCreateDescriptorSetLayout(g_Device, + &info, + g_Allocator, + &g_DescriptorSetLayout); + ImGui_ImplGlfwVulkan_VkResult(err); + } + // Create Descriptor Set: + { + VkDescriptorSetAllocateInfo alloc_info = {}; + alloc_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO; + alloc_info.descriptorPool = g_DescriptorPool; + alloc_info.descriptorSetCount = 1; + alloc_info.pSetLayouts = &g_DescriptorSetLayout; + err = vkAllocateDescriptorSets(g_Device, &alloc_info, &g_DescriptorSet); + ImGui_ImplGlfwVulkan_VkResult(err); + } + if(!g_PipelineLayout){ + VkPushConstantRange push_constants[2] = {}; + push_constants[0].stageFlags = VK_SHADER_STAGE_VERTEX_BIT; + push_constants[0].offset = sizeof(float) * 0; + push_constants[0].size = sizeof(float) * 2; + push_constants[1].stageFlags = VK_SHADER_STAGE_VERTEX_BIT; + push_constants[1].offset = sizeof(float) * 2; + push_constants[1].size = sizeof(float) * 2; + VkDescriptorSetLayout set_layout[1] = {g_DescriptorSetLayout}; + VkPipelineLayoutCreateInfo layout_info = {}; + layout_info.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO; + layout_info.setLayoutCount = 1; + layout_info.pSetLayouts = set_layout; + layout_info.pushConstantRangeCount = 2; + layout_info.pPushConstantRanges = push_constants; + err = vkCreatePipelineLayout(g_Device, &layout_info, + g_Allocator, &g_PipelineLayout); + ImGui_ImplGlfwVulkan_VkResult(err); + } + + VkPipelineShaderStageCreateInfo stage[2] = {}; + stage[0].sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO; + stage[0].stage = VK_SHADER_STAGE_VERTEX_BIT; + stage[0].module = vert_module; + stage[0].pName = "main"; + stage[1].sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO; + stage[1].stage = VK_SHADER_STAGE_FRAGMENT_BIT; + stage[1].module = frag_module; + stage[1].pName = "main"; + + VkVertexInputBindingDescription binding_desc[1] = {}; + binding_desc[0].stride = sizeof(ImDrawVert); + binding_desc[0].inputRate = VK_VERTEX_INPUT_RATE_VERTEX; + + VkVertexInputAttributeDescription attribute_desc[3] = {}; + attribute_desc[0].location = 0; + attribute_desc[0].binding = binding_desc[0].binding; + attribute_desc[0].format = VK_FORMAT_R32G32_SFLOAT; + attribute_desc[0].offset = (size_t)(&((ImDrawVert*)0)->pos); + attribute_desc[1].location = 1; + attribute_desc[1].binding = binding_desc[0].binding; + attribute_desc[1].format = VK_FORMAT_R32G32_SFLOAT; + attribute_desc[1].offset = (size_t)(&((ImDrawVert*)0)->uv); + attribute_desc[2].location = 2; + attribute_desc[2].binding = binding_desc[0].binding; + attribute_desc[2].format = VK_FORMAT_R8G8B8A8_UNORM; + attribute_desc[2].offset = (size_t)(&((ImDrawVert*)0)->col); + + VkPipelineVertexInputStateCreateInfo vertex_info = {}; + vertex_info.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO; + vertex_info.vertexBindingDescriptionCount = 1; + vertex_info.pVertexBindingDescriptions = binding_desc; + vertex_info.vertexAttributeDescriptionCount = 3; + vertex_info.pVertexAttributeDescriptions = attribute_desc; + + VkPipelineInputAssemblyStateCreateInfo ia_info = {}; + ia_info.sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO; + ia_info.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST; + + VkPipelineViewportStateCreateInfo viewport_info = {}; + viewport_info.sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO; + viewport_info.viewportCount = 1; + viewport_info.scissorCount = 1; + + VkPipelineRasterizationStateCreateInfo raster_info = {}; + raster_info.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO; + raster_info.polygonMode = VK_POLYGON_MODE_FILL; + raster_info.cullMode = VK_CULL_MODE_NONE; + raster_info.frontFace = VK_FRONT_FACE_COUNTER_CLOCKWISE; + + VkPipelineMultisampleStateCreateInfo ms_info = {}; + ms_info.sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO; + ms_info.rasterizationSamples = VK_SAMPLE_COUNT_1_BIT; + + VkPipelineColorBlendAttachmentState color_attachment[1] = {}; + color_attachment[0].blendEnable = VK_TRUE; + color_attachment[0].srcColorBlendFactor = VK_BLEND_FACTOR_SRC_ALPHA; + color_attachment[0].dstColorBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA; + color_attachment[0].colorBlendOp = VK_BLEND_OP_ADD; + color_attachment[0].srcAlphaBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA; + color_attachment[0].dstAlphaBlendFactor = VK_BLEND_FACTOR_ZERO; + color_attachment[0].alphaBlendOp = VK_BLEND_OP_ADD; + color_attachment[0].colorWriteMask = + VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT | + VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT; + + VkPipelineColorBlendStateCreateInfo blend_info = {}; + blend_info.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO; + blend_info.attachmentCount = 1; + blend_info.pAttachments = color_attachment; + + VkDynamicState dynamic_states[2] = {VK_DYNAMIC_STATE_VIEWPORT, + VK_DYNAMIC_STATE_SCISSOR}; + VkPipelineDynamicStateCreateInfo dynamic_state = {}; + dynamic_state.dynamicStateCount = 2; + dynamic_state.pDynamicStates = dynamic_states; + + VkGraphicsPipelineCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO; + info.flags = g_PipelineCreateFlags; + info.stageCount = 2; + info.pStages = stage; + info.pVertexInputState = &vertex_info; + info.pInputAssemblyState = &ia_info; + info.pViewportState = &viewport_info; + info.pRasterizationState = &raster_info; + info.pMultisampleState = &ms_info; + info.pColorBlendState = &blend_info; + info.pDynamicState = &dynamic_state; + info.layout = g_PipelineLayout; + info.renderPass = g_RenderPass; + err = vkCreateGraphicsPipelines(g_Device, + g_PipelineCache, + 1, &info, + g_Allocator, + &g_Pipeline); + ImGui_ImplGlfwVulkan_VkResult(err); + + vkDestroyShaderModule(g_Device, vert_module, g_Allocator); + vkDestroyShaderModule(g_Device, frag_module, g_Allocator); + + return true; +} + +void ImGui_ImplGlfwVulkan_InvalidateFontUploadObjects() +{ + if(g_UploadBuffer){ + vkDestroyBuffer(g_Device, g_UploadBuffer, g_Allocator); + g_UploadBuffer = VK_NULL_HANDLE; + } + if(g_UploadBufferMemory){ + vkFreeMemory(g_Device, g_UploadBufferMemory, g_Allocator); + g_UploadBufferMemory = VK_NULL_HANDLE; + } +} +void ImGui_ImplGlfwVulkan_InvalidateDeviceObjects() +{ + ImGui_ImplGlfwVulkan_InvalidateFontUploadObjects(); + for(int i=0; i<IMGUI_VK_QUEUED_FRAMES; i++){ + if(g_VertexBuffer[i]) + vkDestroyBuffer(g_Device, g_VertexBuffer[i], g_Allocator); + if(g_VertexBufferMemory[i]) + vkFreeMemory(g_Device, g_VertexBufferMemory[i], g_Allocator); + if(g_IndexBuffer[i]) + vkDestroyBuffer(g_Device, g_IndexBuffer[i], g_Allocator); + if(g_IndexBufferMemory[i]) + vkFreeMemory(g_Device, g_IndexBufferMemory[i], g_Allocator); + } + + if(g_FontView) + vkDestroyImageView(g_Device, g_FontView, g_Allocator); + if(g_FontImage) + vkDestroyImage(g_Device, g_FontImage, g_Allocator); + if(g_FontMemory) + vkFreeMemory(g_Device, g_FontMemory, g_Allocator); + if(g_FontSampler) + vkDestroySampler(g_Device, g_FontSampler, g_Allocator); + + if(g_DescriptorSetLayout) + vkDestroyDescriptorSetLayout(g_Device, g_DescriptorSetLayout, g_Allocator); + if(g_PipelineLayout) + vkDestroyPipelineLayout(g_Device, g_PipelineLayout, g_Allocator); + if(g_Pipeline) + vkDestroyPipeline(g_Device, g_Pipeline, g_Allocator); +} + +bool ImGui_ImplGlfwVulkan_Init(GLFWwindow* window, bool install_callbacks, ImGui_ImplGlfwVulkan_Init_Data *init_data) +{ + g_Allocator = init_data->allocator; + g_Gpu = init_data->gpu; + g_Device = init_data->device; + g_RenderPass = init_data->render_pass; + g_PipelineCache = init_data->pipeline_cache; + g_DescriptorPool = init_data->descriptor_pool; + g_CheckVkResult = init_data->check_vk_result; + + g_Window = window; + + ImGuiIO& io = ImGui::GetIO(); + io.KeyMap[ImGuiKey_Tab] = GLFW_KEY_TAB; // Keyboard mapping. ImGui will use those indices to peek into the io.KeyDown[] array. + io.KeyMap[ImGuiKey_LeftArrow] = GLFW_KEY_LEFT; + io.KeyMap[ImGuiKey_RightArrow] = GLFW_KEY_RIGHT; + io.KeyMap[ImGuiKey_UpArrow] = GLFW_KEY_UP; + io.KeyMap[ImGuiKey_DownArrow] = GLFW_KEY_DOWN; + io.KeyMap[ImGuiKey_PageUp] = GLFW_KEY_PAGE_UP; + io.KeyMap[ImGuiKey_PageDown] = GLFW_KEY_PAGE_DOWN; + io.KeyMap[ImGuiKey_Home] = GLFW_KEY_HOME; + io.KeyMap[ImGuiKey_End] = GLFW_KEY_END; + io.KeyMap[ImGuiKey_Delete] = GLFW_KEY_DELETE; + io.KeyMap[ImGuiKey_Backspace] = GLFW_KEY_BACKSPACE; + io.KeyMap[ImGuiKey_Enter] = GLFW_KEY_ENTER; + io.KeyMap[ImGuiKey_Escape] = GLFW_KEY_ESCAPE; + io.KeyMap[ImGuiKey_A] = GLFW_KEY_A; + io.KeyMap[ImGuiKey_C] = GLFW_KEY_C; + io.KeyMap[ImGuiKey_V] = GLFW_KEY_V; + io.KeyMap[ImGuiKey_X] = GLFW_KEY_X; + io.KeyMap[ImGuiKey_Y] = GLFW_KEY_Y; + io.KeyMap[ImGuiKey_Z] = GLFW_KEY_Z; + + io.RenderDrawListsFn = ImGui_ImplGlfwVulkan_RenderDrawLists; // Alternatively you can set this to NULL and call ImGui::GetDrawData() after ImGui::Render() to get the same ImDrawData pointer. + io.SetClipboardTextFn = ImGui_ImplGlfwVulkan_SetClipboardText; + io.GetClipboardTextFn = ImGui_ImplGlfwVulkan_GetClipboardText; +#ifdef _WIN32 + io.ImeWindowHandle = glfwGetWin32Window(g_Window); +#endif + + if (install_callbacks) + { + glfwSetMouseButtonCallback(window, ImGui_ImplGlfwVulkan_MouseButtonCallback); + glfwSetScrollCallback(window, ImGui_ImplGlfwVulkan_ScrollCallback); + glfwSetKeyCallback(window, ImGui_ImplGlfwVulkan_KeyCallback); + glfwSetCharCallback(window, ImGui_ImplGlfwVulkan_CharCallback); + } + + ImGui_ImplGlfwVulkan_CreateDeviceObjects(); + + return true; +} + +void ImGui_ImplGlfwVulkan_Shutdown() +{ + ImGui_ImplGlfwVulkan_InvalidateDeviceObjects(); + ImGui::Shutdown(); +} + +void ImGui_ImplGlfwVulkan_NewFrame() +{ + ImGuiIO& io = ImGui::GetIO(); + + // Setup display size (every frame to accommodate for window resizing) + int w, h; + int display_w, display_h; + glfwGetWindowSize(g_Window, &w, &h); + glfwGetFramebufferSize(g_Window, &display_w, &display_h); + io.DisplaySize = ImVec2((float)w, (float)h); + io.DisplayFramebufferScale = ImVec2(w > 0 ? ((float)display_w / w) : 0, h > 0 ? ((float)display_h / h) : 0); + + // Setup time step + double current_time = glfwGetTime(); + io.DeltaTime = g_Time > 0.0 ? (float)(current_time - g_Time) : (float)(1.0f/60.0f); + g_Time = current_time; + + // Setup inputs + // (we already got mouse wheel, keyboard keys & characters from glfw callbacks polled in glfwPollEvents()) + if (glfwGetWindowAttrib(g_Window, GLFW_FOCUSED)) + { + double mouse_x, mouse_y; + glfwGetCursorPos(g_Window, &mouse_x, &mouse_y); + io.MousePos = ImVec2((float)mouse_x, (float)mouse_y); // Mouse position in screen coordinates (set to -1,-1 if no mouse / on another screen, etc.) + } + else + { + io.MousePos = ImVec2(-1,-1); + } + + for (int i = 0; i < 3; i++) + { + io.MouseDown[i] = g_MousePressed[i] || glfwGetMouseButton(g_Window, i) != 0; // If a mouse press event came, always pass it as "mouse held this frame", so we don't miss click-release events that are shorter than 1 frame. + g_MousePressed[i] = false; + } + + io.MouseWheel = g_MouseWheel; + g_MouseWheel = 0.0f; + + // Hide OS mouse cursor if ImGui is drawing it + glfwSetInputMode(g_Window, GLFW_CURSOR, io.MouseDrawCursor ? GLFW_CURSOR_HIDDEN : GLFW_CURSOR_NORMAL); + + // Start the frame + ImGui::NewFrame(); +} +void ImGui_ImplGlfwVulkan_Render(VkCommandBuffer command_buffer) +{ + g_CommandBuffer = command_buffer; + ImGui::Render(); + g_CommandBuffer = VK_NULL_HANDLE; + g_FrameIndex = (g_FrameIndex+1)%IMGUI_VK_QUEUED_FRAMES; +} diff --git a/examples/vulkan_example/imgui_impl_glfw_vulkan.h b/examples/vulkan_example/imgui_impl_glfw_vulkan.h new file mode 100644 index 00000000..3c04ed63 --- /dev/null +++ b/examples/vulkan_example/imgui_impl_glfw_vulkan.h @@ -0,0 +1,41 @@ +// ImGui GLFW binding with Vulkan + shaders +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you use this binding you'll need to call 5 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXX_CreateFontsTexture(), ImGui_ImplXXXX_NewFrame(), ImGui_ImplXXXX_Render() and ImGui_ImplXXXX_Shutdown(). +// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui + +#define IMGUI_VK_QUEUED_FRAMES 2 + +struct GLFWwindow; + +struct ImGui_ImplGlfwVulkan_Init_Data{ + VkAllocationCallbacks* allocator; + VkPhysicalDevice gpu; + VkDevice device; + VkRenderPass render_pass; + VkPipelineCache pipeline_cache; + VkDescriptorPool descriptor_pool; + void (*check_vk_result)(VkResult err); +}; + +IMGUI_API bool ImGui_ImplGlfwVulkan_Init(GLFWwindow* window, bool install_callbacks, ImGui_ImplGlfwVulkan_Init_Data *init_data); +IMGUI_API void ImGui_ImplGlfwVulkan_Shutdown(); +IMGUI_API void ImGui_ImplGlfwVulkan_NewFrame(); +IMGUI_API void ImGui_ImplGlfwVulkan_Render(VkCommandBuffer command_buffer); + +// Use if you want to reset your rendering device without losing ImGui state. +IMGUI_API void ImGui_ImplGlfwVulkan_InvalidateFontUploadObjects(); +IMGUI_API void ImGui_ImplGlfwVulkan_InvalidateDeviceObjects(); +IMGUI_API bool ImGui_ImplGlfwVulkan_CreateFontsTexture(VkCommandBuffer command_buffer); +IMGUI_API bool ImGui_ImplGlfwVulkan_CreateDeviceObjects(); + + +// GLFW callbacks (installed by default if you enable 'install_callbacks' during initialization) +// Provided here if you want to chain callbacks. +// You can also handle inputs yourself and use those as a reference. +IMGUI_API void ImGui_ImplGlfwVulkan_MouseButtonCallback(GLFWwindow* window, int button, int action, int mods); +IMGUI_API void ImGui_ImplGlfwVulkan_ScrollCallback(GLFWwindow* window, double xoffset, double yoffset); +IMGUI_API void ImGui_ImplGlfwVulkan_KeyCallback(GLFWwindow* window, int key, int scancode, int action, int mods); +IMGUI_API void ImGui_ImplGlfwVulkan_CharCallback(GLFWwindow* window, unsigned int c); + + diff --git a/examples/vulkan_example/main.cpp b/examples/vulkan_example/main.cpp new file mode 100644 index 00000000..293f0557 --- /dev/null +++ b/examples/vulkan_example/main.cpp @@ -0,0 +1,525 @@ +// ImGui - standalone example application for Glfw + Vulkan, using programmable pipeline +// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. + +#include <imgui.h> + +#include <stdio.h> +#include <stdlib.h> +#define GLFW_INCLUDE_NONE +#define GLFW_INCLUDE_VULKAN +#include <GLFW/glfw3.h> + +#include "imgui_impl_glfw_vulkan.h" + +#define IMGUI_MAX_POSSIBLE_BACK_BUFFERS 16 + +static VkAllocationCallbacks* g_Allocator = NULL; +static VkInstance g_Instance = VK_NULL_HANDLE; +static VkSurfaceKHR g_Surface = VK_NULL_HANDLE; +static VkPhysicalDevice g_Gpu = VK_NULL_HANDLE; +static VkDevice g_Device = VK_NULL_HANDLE; +static VkSwapchainKHR g_Swapchain = VK_NULL_HANDLE; +static VkRenderPass g_RenderPass = VK_NULL_HANDLE; +static uint32_t g_QueueFamily = 0; +static VkQueue g_Queue = VK_NULL_HANDLE; + +static VkFormat g_Format = VK_FORMAT_B8G8R8A8_UNORM; +static VkColorSpaceKHR g_ColorSpace = VK_COLORSPACE_SRGB_NONLINEAR_KHR; +static VkImageSubresourceRange g_ImageRange = {VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1}; + +static VkPipelineCache g_PipelineCache = VK_NULL_HANDLE; +static VkDescriptorPool g_DescriptorPool = VK_NULL_HANDLE; + +static int fb_width, fb_height; +static uint32_t g_BackBufferIndex = 0; +static uint32_t g_BackBufferCount = 0; +static VkImage g_BackBuffer[IMGUI_MAX_POSSIBLE_BACK_BUFFERS] = {}; +static VkImageView g_BackBufferView[IMGUI_MAX_POSSIBLE_BACK_BUFFERS] = {}; +static VkFramebuffer g_Framebuffer[IMGUI_MAX_POSSIBLE_BACK_BUFFERS] = {}; + +static uint32_t g_FrameIndex = 0; +static VkCommandPool g_CommandPool[IMGUI_VK_QUEUED_FRAMES]; +static VkCommandBuffer g_CommandBuffer[IMGUI_VK_QUEUED_FRAMES]; +static VkFence g_Fence[IMGUI_VK_QUEUED_FRAMES]; +static VkSemaphore g_Semaphore[IMGUI_VK_QUEUED_FRAMES]; + +static VkClearValue g_ClearValue = {}; + +static void check_vk_result(VkResult err) +{ + if(err == 0) return; + printf("VkResult %d\n", err); + if(err < 0) abort(); +} + +static void resize_vulkan(GLFWwindow* /*window*/, int w, int h) +{ + VkResult err; + VkSwapchainKHR old_swapchain = g_Swapchain; + err = vkDeviceWaitIdle(g_Device); + check_vk_result(err); + // Destroy old Framebuffer: + for(uint32_t i=0; i<g_BackBufferCount; i++) + if(g_BackBufferView[i]) + vkDestroyImageView(g_Device, g_BackBufferView[i], g_Allocator); + for(uint32_t i=0; i<g_BackBufferCount; i++) + if(g_Framebuffer[i]) + vkDestroyFramebuffer(g_Device, g_Framebuffer[i], g_Allocator); + if(g_RenderPass) + vkDestroyRenderPass(g_Device, g_RenderPass, g_Allocator); + // Create Swapchain: + { + VkSwapchainCreateInfoKHR info = {}; + info.sType = VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR; + info.surface = g_Surface; + info.imageFormat = g_Format; + info.imageColorSpace = g_ColorSpace; + info.imageArrayLayers = 1; + info.imageUsage |= VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT; + info.imageSharingMode = VK_SHARING_MODE_EXCLUSIVE; + info.preTransform = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR; + info.compositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR; + info.presentMode = VK_PRESENT_MODE_FIFO_KHR; + info.clipped = VK_TRUE; + info.oldSwapchain = old_swapchain; + VkSurfaceCapabilitiesKHR cap; + err = vkGetPhysicalDeviceSurfaceCapabilitiesKHR(g_Gpu, g_Surface, &cap); + check_vk_result(err); + info.minImageCount = (cap.minImageCount + 2 < cap.maxImageCount) ? (cap.minImageCount + 2) : cap.maxImageCount; + if(cap.currentExtent.width == 0xffffffff){ + fb_width = w; + fb_height = h; + info.imageExtent.width = fb_width; + info.imageExtent.height = fb_height; + } + else{ + fb_width = cap.currentExtent.width; + fb_height = cap.currentExtent.height; + info.imageExtent.width = fb_width; + info.imageExtent.height = fb_height; + } + err = vkCreateSwapchainKHR(g_Device, &info, g_Allocator, &g_Swapchain); + check_vk_result(err); + err = vkGetSwapchainImagesKHR(g_Device, g_Swapchain, &g_BackBufferCount, NULL); + check_vk_result(err); + err = vkGetSwapchainImagesKHR(g_Device, g_Swapchain, &g_BackBufferCount, g_BackBuffer); + check_vk_result(err); + } + if(old_swapchain) + vkDestroySwapchainKHR(g_Device, old_swapchain, g_Allocator); + // Create the Render Pass: + { + VkAttachmentDescription attachment = {}; + attachment.format = g_Format; + attachment.samples = VK_SAMPLE_COUNT_1_BIT; + attachment.loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR; + attachment.storeOp = VK_ATTACHMENT_STORE_OP_STORE; + attachment.stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE; + attachment.stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE; + attachment.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED; + attachment.finalLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL; + VkAttachmentReference color_attachment = {}; + color_attachment.attachment = 0; + color_attachment.layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL; + VkSubpassDescription subpass = {}; + subpass.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS; + subpass.colorAttachmentCount = 1; + subpass.pColorAttachments = &color_attachment; + VkRenderPassCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO; + info.attachmentCount = 1; + info.pAttachments = &attachment; + info.subpassCount = 1; + info.pSubpasses = &subpass; + err = vkCreateRenderPass(g_Device, &info, g_Allocator, &g_RenderPass); + check_vk_result(err); + } + // Create The Image Views + { + VkImageViewCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO; + info.viewType = VK_IMAGE_VIEW_TYPE_2D; + info.format = g_Format; + info.components.r = VK_COMPONENT_SWIZZLE_R; + info.components.g = VK_COMPONENT_SWIZZLE_G; + info.components.b = VK_COMPONENT_SWIZZLE_B; + info.components.a = VK_COMPONENT_SWIZZLE_A; + info.subresourceRange = g_ImageRange; + for(uint32_t i=0; i<g_BackBufferCount; i++){ + info.image = g_BackBuffer[i]; + err = vkCreateImageView(g_Device, &info, g_Allocator, &g_BackBufferView[i]); + check_vk_result(err); + } + } + // Create Framebuffer: + { + VkImageView attachment[1]; + VkFramebufferCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO; + info.renderPass = g_RenderPass; + info.attachmentCount = 1; + info.pAttachments = attachment; + info.width = fb_width; + info.height = fb_height; + info.layers = 1; + for(uint32_t i=0; i<g_BackBufferCount; i++){ + attachment[0] = g_BackBufferView[i]; + err = vkCreateFramebuffer(g_Device, &info, g_Allocator, &g_Framebuffer[i]); + check_vk_result(err); + } + } +} + +static void setup_vulkan(GLFWwindow* window) +{ + VkResult err; + // Create Vulkan Instance + { + int glfw_extensions_count; + const char** glfw_extensions = glfwGetRequiredInstanceExtensions(&glfw_extensions_count); + VkInstanceCreateInfo create_info = {}; + create_info.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO; + create_info.enabledExtensionCount = glfw_extensions_count; + create_info.ppEnabledExtensionNames = glfw_extensions; + err = vkCreateInstance(&create_info, g_Allocator, &g_Instance); + check_vk_result(err); + } + // Create Window Surface + { + err = glfwCreateWindowSurface(g_Instance, window, g_Allocator, &g_Surface); + check_vk_result(err); + } + // Get Gpu + { + uint32_t count = 1; + err = vkEnumeratePhysicalDevices(g_Instance, &count, &g_Gpu); + check_vk_result(err); + } + // Create Logical Device + { + int device_extension_count = 1; + const char* device_extensions[] = {"VK_KHR_swapchain"}; + const uint32_t queue_index = 0; + const uint32_t queue_count = 1; + const float queue_priority[] = {1.0f}; + VkDeviceQueueCreateInfo queue_info[1] = {}; + queue_info[0].sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO; + queue_info[0].queueFamilyIndex = g_QueueFamily; + queue_info[0].queueCount = queue_count; + queue_info[0].pQueuePriorities = queue_priority; + VkDeviceCreateInfo create_info = {}; + create_info.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO; + create_info.queueCreateInfoCount = sizeof(queue_info)/sizeof(queue_info[0]); + create_info.pQueueCreateInfos = queue_info; + create_info.enabledExtensionCount = device_extension_count; + create_info.ppEnabledExtensionNames = device_extensions; + err = vkCreateDevice(g_Gpu, &create_info, g_Allocator, &g_Device); + check_vk_result(err); + vkGetDeviceQueue(g_Device, g_QueueFamily, queue_index, &g_Queue); + } + // Create Framebuffers + { + int w, h; + glfwGetFramebufferSize(window, &w, &h); + resize_vulkan(window, w, h); + glfwSetFramebufferSizeCallback(window, resize_vulkan); + } + // Create Command Buffers + for(int i=0; i<IMGUI_VK_QUEUED_FRAMES; i++){ + { + VkCommandPoolCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO; + info.flags = VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT; + info.queueFamilyIndex = g_QueueFamily; + err = vkCreateCommandPool(g_Device, &info, g_Allocator, &g_CommandPool[i]); + check_vk_result(err); + } + { + VkCommandBufferAllocateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO; + info.commandPool = g_CommandPool[i]; + info.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY; + info.commandBufferCount = 1; + err = vkAllocateCommandBuffers(g_Device, &info, &g_CommandBuffer[i]); + check_vk_result(err); + } + { + VkFenceCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO; + info.flags = VK_FENCE_CREATE_SIGNALED_BIT; + err = vkCreateFence(g_Device, &info, g_Allocator, &g_Fence[i]); + check_vk_result(err); + } + { + VkSemaphoreCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO; + err = vkCreateSemaphore(g_Device, &info, g_Allocator, &g_Semaphore[i]); + check_vk_result(err); + } + } + // Create Descriptor Pool + { + VkDescriptorPoolSize pool_size[11] = { + {VK_DESCRIPTOR_TYPE_SAMPLER, 1000}, + {VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1000}, + {VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE, 1000}, + {VK_DESCRIPTOR_TYPE_STORAGE_IMAGE, 1000}, + {VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER, 1000}, + {VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER, 1000}, + {VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1000}, + {VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, 1000}, + {VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC, 1000}, + {VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC, 1000}, + {VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT, 1000}}; + VkDescriptorPoolCreateInfo pool_info = {}; + pool_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO; + pool_info.flags = VK_DESCRIPTOR_POOL_CREATE_FREE_DESCRIPTOR_SET_BIT; + pool_info.maxSets = 1000 * 11; + pool_info.poolSizeCount = 11; + pool_info.pPoolSizes = pool_size; + err = vkCreateDescriptorPool(g_Device, &pool_info, g_Allocator, &g_DescriptorPool); + check_vk_result(err); + } +} + +static void cleanup_vulkan() +{ + vkDestroyDescriptorPool(g_Device, g_DescriptorPool, g_Allocator); + for(int i=0; i<IMGUI_VK_QUEUED_FRAMES; i++){ + vkDestroyFence(g_Device, g_Fence[i], g_Allocator); + vkFreeCommandBuffers(g_Device, g_CommandPool[i], 1, &g_CommandBuffer[i]); + vkDestroyCommandPool(g_Device, g_CommandPool[i], g_Allocator); + vkDestroySemaphore(g_Device, g_Semaphore[i], g_Allocator); + } + for(uint32_t i=0; i<g_BackBufferCount; i++){ + vkDestroyImageView(g_Device, g_BackBufferView[i], g_Allocator); + vkDestroyFramebuffer(g_Device, g_Framebuffer[i], g_Allocator); + } + vkDestroyRenderPass(g_Device, g_RenderPass, g_Allocator); + vkDestroySwapchainKHR(g_Device, g_Swapchain, g_Allocator); + vkDestroySurfaceKHR(g_Instance, g_Surface, g_Allocator); + vkDestroyDevice(g_Device, g_Allocator); + vkDestroyInstance(g_Instance, g_Allocator); +} + +static void frame_begin() +{ + VkResult err; + while(true){ + err = vkWaitForFences(g_Device, 1, &g_Fence[g_FrameIndex], VK_TRUE, 100); + if(err == VK_SUCCESS) break; + if(err == VK_TIMEOUT) continue; + check_vk_result(err); + } + { + err = vkAcquireNextImageKHR( + g_Device, g_Swapchain, + UINT64_MAX, + g_Semaphore[g_FrameIndex], VK_NULL_HANDLE, + &g_BackBufferIndex); + check_vk_result(err); + } + { + err = vkResetCommandPool(g_Device, g_CommandPool[g_FrameIndex], 0); + check_vk_result(err); + VkCommandBufferBeginInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO; + info.flags |= VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT; + err = vkBeginCommandBuffer(g_CommandBuffer[g_FrameIndex], &info); + check_vk_result(err); + } + { + VkRenderPassBeginInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO; + info.renderPass = g_RenderPass; + info.framebuffer = g_Framebuffer[g_BackBufferIndex]; + info.renderArea.extent.width = fb_width; + info.renderArea.extent.height = fb_height; + info.clearValueCount = 1; + info.pClearValues = &g_ClearValue; + vkCmdBeginRenderPass(g_CommandBuffer[g_FrameIndex], &info, VK_SUBPASS_CONTENTS_INLINE); + } +} + +static void frame_end() +{ + VkResult err; + vkCmdEndRenderPass(g_CommandBuffer[g_FrameIndex]); + { + VkImageMemoryBarrier barrier = {}; + barrier.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER; + barrier.srcAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT; + barrier.dstAccessMask = VK_ACCESS_MEMORY_READ_BIT; + barrier.oldLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL; + barrier.newLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR; + barrier.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; + barrier.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; + barrier.image = g_BackBuffer[g_BackBufferIndex]; + barrier.subresourceRange = g_ImageRange; + vkCmdPipelineBarrier(g_CommandBuffer[g_FrameIndex], + VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, + VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT, + 0, + 0, NULL, 0, NULL, 1, &barrier); + } + { + VkSubmitInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO; + info.waitSemaphoreCount = 1; + info.pWaitSemaphores = &g_Semaphore[g_FrameIndex]; + info.commandBufferCount = 1; + info.pCommandBuffers = &g_CommandBuffer[g_FrameIndex]; + + err = vkEndCommandBuffer(g_CommandBuffer[g_FrameIndex]); + check_vk_result(err); + err = vkResetFences(g_Device, 1, &g_Fence[g_FrameIndex]); + check_vk_result(err); + err = vkQueueSubmit(g_Queue, 1, &info, g_Fence[g_FrameIndex]); + check_vk_result(err); + } + { + VkResult res; + VkSwapchainKHR swapchains[1] = {g_Swapchain}; + uint32_t indices[1] = {g_BackBufferIndex}; + VkPresentInfoKHR info = {}; + info.sType = VK_STRUCTURE_TYPE_PRESENT_INFO_KHR; + info.swapchainCount = 1; + info.pSwapchains = swapchains; + info.pImageIndices = indices; + info.pResults = &res; + err = vkQueuePresentKHR(g_Queue, &info); + check_vk_result(err); + check_vk_result(res); + } + g_FrameIndex = (g_FrameIndex)%IMGUI_VK_QUEUED_FRAMES; +} + +static void error_callback(int error, const char* description) +{ + fprintf(stderr, "Error %d: %s\n", error, description); +} + +int main(int, char**) +{ + // Setup window + glfwSetErrorCallback(error_callback); + if (!glfwInit()) + return 1; + + glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API); + GLFWwindow* window = glfwCreateWindow(1280, 720, "ImGui Vulkan example", NULL, NULL); + + // Setup Vulkan + if(!glfwVulkanSupported()){ + printf("GLFW: Vulkan Not Supported\n"); + return 1; + } + setup_vulkan(window); + + // Setup ImGui binding + ImGui_ImplGlfwVulkan_Init_Data init_data = {}; + init_data.allocator = g_Allocator; + init_data.gpu = g_Gpu; + init_data.device = g_Device; + init_data.render_pass = g_RenderPass; + init_data.pipeline_cache = g_PipelineCache; + init_data.descriptor_pool = g_DescriptorPool; + init_data.check_vk_result = check_vk_result; + ImGui_ImplGlfwVulkan_Init(window, true, &init_data); + + // Load Fonts + // (there is a default font, this is only if you want to change it. see extra_fonts/README.txt for more details) + //ImGuiIO& io = ImGui::GetIO(); + //io.Fonts->AddFontDefault(); + //io.Fonts->AddFontFromFileTTF("../../extra_fonts/Cousine-Regular.ttf", 15.0f); + //io.Fonts->AddFontFromFileTTF("../../extra_fonts/DroidSans.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../extra_fonts/ProggyClean.ttf", 13.0f); + //io.Fonts->AddFontFromFileTTF("../../extra_fonts/ProggyTiny.ttf", 10.0f); + //io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, NULL, io.Fonts->GetGlyphRangesJapanese()); + + // Upload Fonts + { + VkResult err; + err = vkResetCommandPool(g_Device, g_CommandPool[g_FrameIndex], 0); + check_vk_result(err); + VkCommandBufferBeginInfo begin_info = {}; + begin_info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO; + begin_info.flags |= VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT; + err = vkBeginCommandBuffer(g_CommandBuffer[g_FrameIndex], &begin_info); + check_vk_result(err); + + ImGui_ImplGlfwVulkan_CreateFontsTexture(g_CommandBuffer[g_FrameIndex]); + + VkSubmitInfo end_info = {}; + end_info.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO; + end_info.commandBufferCount = 1; + end_info.pCommandBuffers = &g_CommandBuffer[g_FrameIndex]; + err = vkEndCommandBuffer(g_CommandBuffer[g_FrameIndex]); + check_vk_result(err); + err = vkQueueSubmit(g_Queue, 1, &end_info, VK_NULL_HANDLE); + check_vk_result(err); + + err = vkDeviceWaitIdle(g_Device); + check_vk_result(err); + ImGui_ImplGlfwVulkan_InvalidateFontUploadObjects(); + } + + bool show_test_window = true; + bool show_another_window = false; + ImVec4 clear_color = ImColor(114, 144, 154); + + // Main loop + while (!glfwWindowShouldClose(window)) + { + glfwPollEvents(); + ImGui_ImplGlfwVulkan_NewFrame(); + + // 1. Show a simple window + // Tip: if we don't call ImGui::Begin()/ImGui::End() the widgets appears in a window automatically called "Debug" + { + static float f = 0.0f; + ImGui::Text("Hello, world!"); + ImGui::SliderFloat("float", &f, 0.0f, 1.0f); + ImGui::ColorEdit3("clear color", (float*)&clear_color); + if (ImGui::Button("Test Window")) show_test_window ^= 1; + if (ImGui::Button("Another Window")) show_another_window ^= 1; + ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / ImGui::GetIO().Framerate, ImGui::GetIO().Framerate); + } + + // 2. Show another simple window, this time using an explicit Begin/End pair + if (show_another_window) + { + ImGui::SetNextWindowSize(ImVec2(200,100), ImGuiSetCond_FirstUseEver); + ImGui::Begin("Another Window", &show_another_window); + ImGui::Text("Hello"); + ImGui::End(); + } + + // 3. Show the ImGui test window. Most of the sample code is in ImGui::ShowTestWindow() + if (show_test_window) + { + ImGui::SetNextWindowPos(ImVec2(650, 20), ImGuiSetCond_FirstUseEver); + ImGui::ShowTestWindow(&show_test_window); + } + + g_ClearValue.color.float32[0] = clear_color.x; + g_ClearValue.color.float32[1] = clear_color.y; + g_ClearValue.color.float32[2] = clear_color.z; + g_ClearValue.color.float32[3] = clear_color.w; + + frame_begin(); + + ImGui_ImplGlfwVulkan_Render(g_CommandBuffer[g_FrameIndex]); + + frame_end(); + } + + // Cleanup + VkResult err = vkDeviceWaitIdle(g_Device); + check_vk_result(err); + ImGui_ImplGlfwVulkan_Shutdown(); + cleanup_vulkan(); + glfwTerminate(); + + return 0; +}