From 4cbd316f0183600222625a9da46ab4786bfe2981 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?H=C3=A5vard=20Mathisen?= Date: Wed, 9 Mar 2016 16:39:54 +0100 Subject: [PATCH 1/4] Vulkan example. --- examples/vulkan_example/CMakeLists.txt | 36 + examples/vulkan_example/gen_spv.sh | 4 + examples/vulkan_example/glsl_shader.frag | 14 + examples/vulkan_example/glsl_shader.vert | 21 + .../vulkan_example/imgui_impl_glfw_vulkan.cpp | 1017 +++++++++++++++++ .../vulkan_example/imgui_impl_glfw_vulkan.h | 41 + examples/vulkan_example/main.cpp | 533 +++++++++ 7 files changed, 1666 insertions(+) create mode 100644 examples/vulkan_example/CMakeLists.txt create mode 100755 examples/vulkan_example/gen_spv.sh create mode 100644 examples/vulkan_example/glsl_shader.frag create mode 100644 examples/vulkan_example/glsl_shader.vert create mode 100644 examples/vulkan_example/imgui_impl_glfw_vulkan.cpp create mode 100644 examples/vulkan_example/imgui_impl_glfw_vulkan.h create mode 100644 examples/vulkan_example/main.cpp diff --git a/examples/vulkan_example/CMakeLists.txt b/examples/vulkan_example/CMakeLists.txt new file mode 100644 index 00000000..daa7a171 --- /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) +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(${IMGUI_DIR}) + +# Libraries +if(WIN32) + set(LIBRARIES "glfw;vulkan-${MAJOR}") +elseif(UNIX) + set(LIBRARIES "glfw;vulkan") +else() +endif() + +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..7ca1ab9f --- /dev/null +++ b/examples/vulkan_example/imgui_impl_glfw_vulkan.cpp @@ -0,0 +1,1017 @@ +// 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 + +// GLFW +#define GLFW_INCLUDE_NONE +#define GLFW_INCLUDE_VULKAN +#include +#ifdef _WIN32 +#undef APIENTRY +#define GLFW_EXPOSE_NATIVE_WIN32 +#define GLFW_EXPOSE_NATIVE_WGL +#include +#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, + 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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<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(&vtx_dst)); + ImGui_ImplGlfwVulkan_VkResult(err); + err = vkMapMemory(g_Device, g_IndexBufferMemory[g_FrameIndex], + 0, index_size, 0, + reinterpret_cast(&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(pcmd->ClipRect.x); + scissor.offset.y = static_cast(pcmd->ClipRect.y); + scissor.extent.width = static_cast(pcmd->ClipRect.z - pcmd->ClipRect.x); + scissor.extent.height = static_cast(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(&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); + } + // Upload Barrier: + { + VkBufferMemoryBarrier buffer_barrier[1] = {}; + buffer_barrier[0].sType = VK_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER; + buffer_barrier[0].srcAccessMask = VK_ACCESS_HOST_WRITE_BIT; + buffer_barrier[0].dstAccessMask = VK_ACCESS_TRANSFER_READ_BIT; + buffer_barrier[0].srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; + buffer_barrier[0].dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; + buffer_barrier[0].buffer = g_UploadBuffer; + buffer_barrier[0].size = upload_size; + VkImageMemoryBarrier image_barrier[1] = {}; + image_barrier[0].sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER; + image_barrier[0].dstAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT; + image_barrier[0].oldLayout = VK_IMAGE_LAYOUT_UNDEFINED; + image_barrier[0].newLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL; + image_barrier[0].srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; + image_barrier[0].dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; + image_barrier[0].image = g_FontImage; + image_barrier[0].subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; + image_barrier[0].subresourceRange.levelCount = 1; + image_barrier[0].subresourceRange.layerCount = 1; + vkCmdPipelineBarrier(command_buffer, + VK_PIPELINE_STAGE_HOST_BIT, + VK_PIPELINE_STAGE_TRANSFER_BIT, + 0, + 0, NULL, 1, buffer_barrier, 1, image_barrier); + } + // Copy to Image: + { + 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); + } + // Usage Barrier: + { + VkImageMemoryBarrier image_barrier[1] = {}; + image_barrier[0].sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER; + image_barrier[0].srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT; + image_barrier[0].dstAccessMask = VK_ACCESS_SHADER_READ_BIT; + image_barrier[0].oldLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL; + image_barrier[0].newLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL; + image_barrier[0].srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; + image_barrier[0].dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; + image_barrier[0].image = g_FontImage; + image_barrier[0].subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; + image_barrier[0].subresourceRange.levelCount = 1; + image_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, image_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); + } + { + 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; iallocator; + 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..c42bcdf6 --- /dev/null +++ b/examples/vulkan_example/main.cpp @@ -0,0 +1,533 @@ +// 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 + +#include +#include +#define GLFW_INCLUDE_NONE +#define GLFW_INCLUDE_VULKAN +#include + +#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; iAddFontDefault(); + //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; +} From 0ceddc29ff5b80dd270b7810f6bfa931c8353e7c Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?H=C3=A5vard=20Mathisen?= Date: Wed, 9 Mar 2016 17:01:38 +0100 Subject: [PATCH 2/4] Vulkan Example: Fix windows build. --- examples/vulkan_example/CMakeLists.txt | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/examples/vulkan_example/CMakeLists.txt b/examples/vulkan_example/CMakeLists.txt index daa7a171..3657c829 100644 --- a/examples/vulkan_example/CMakeLists.txt +++ b/examples/vulkan_example/CMakeLists.txt @@ -9,7 +9,7 @@ set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DVK_PROTOTYPES") set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DVK_PROTOTYPES") # GLFW -set(GLFW_DIR ../../../glfw) +set(GLFW_DIR ../../../glfw) # Set this to point to a up-to-date GLFW repo option(GLFW_BUILD_EXAMPLES "Build the GLFW example programs" OFF) option(GLFW_BUILD_TESTS "Build the GLFW test programs" OFF) option(GLFW_BUILD_DOCS "Build the GLFW documentation" OFF) @@ -23,12 +23,12 @@ set(IMGUI_DIR ../../) include_directories(${IMGUI_DIR}) # Libraries -if(WIN32) - set(LIBRARIES "glfw;vulkan-${MAJOR}") -elseif(UNIX) - set(LIBRARIES "glfw;vulkan") -else() -endif() +find_library(VULKAN_LIBRARY + NAMES vulkan vulkan-1) +set(LIBRARIES "glfw;${VULKAN_LIBRARY}") + +# Use vulkan headers from glfw: +include_directories(${GLFW_DIR}/deps) file(GLOB sources *.cpp) From 4ea4fa3e7318af552c5ea8fd36360babcb51c9f9 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?H=C3=A5vard=20Mathisen?= Date: Thu, 10 Mar 2016 11:59:42 +0100 Subject: [PATCH 3/4] Vulkan Example: Fix synchronization. --- examples/vulkan_example/imgui_impl_glfw_vulkan.cpp | 10 +--------- examples/vulkan_example/main.cpp | 8 -------- 2 files changed, 1 insertion(+), 17 deletions(-) diff --git a/examples/vulkan_example/imgui_impl_glfw_vulkan.cpp b/examples/vulkan_example/imgui_impl_glfw_vulkan.cpp index 7ca1ab9f..ae479056 100644 --- a/examples/vulkan_example/imgui_impl_glfw_vulkan.cpp +++ b/examples/vulkan_example/imgui_impl_glfw_vulkan.cpp @@ -605,14 +605,6 @@ bool ImGui_ImplGlfwVulkan_CreateFontsTexture(VkCommandBuffer command_buffer) } // Upload Barrier: { - VkBufferMemoryBarrier buffer_barrier[1] = {}; - buffer_barrier[0].sType = VK_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER; - buffer_barrier[0].srcAccessMask = VK_ACCESS_HOST_WRITE_BIT; - buffer_barrier[0].dstAccessMask = VK_ACCESS_TRANSFER_READ_BIT; - buffer_barrier[0].srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; - buffer_barrier[0].dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; - buffer_barrier[0].buffer = g_UploadBuffer; - buffer_barrier[0].size = upload_size; VkImageMemoryBarrier image_barrier[1] = {}; image_barrier[0].sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER; image_barrier[0].dstAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT; @@ -628,7 +620,7 @@ bool ImGui_ImplGlfwVulkan_CreateFontsTexture(VkCommandBuffer command_buffer) VK_PIPELINE_STAGE_HOST_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT, 0, - 0, NULL, 1, buffer_barrier, 1, image_barrier); + 0, NULL, 0, NULL, 1, image_barrier); } // Copy to Image: { diff --git a/examples/vulkan_example/main.cpp b/examples/vulkan_example/main.cpp index c42bcdf6..293f0557 100644 --- a/examples/vulkan_example/main.cpp +++ b/examples/vulkan_example/main.cpp @@ -311,14 +311,6 @@ static void frame_begin() if(err == VK_TIMEOUT) continue; check_vk_result(err); } - { - vkDestroySemaphore(g_Device, g_Semaphore[g_FrameIndex], g_Allocator); - VkSemaphoreCreateInfo info = {}; - info.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO; - err = vkCreateSemaphore(g_Device, &info, g_Allocator, - &g_Semaphore[g_FrameIndex]); - check_vk_result(err); - } { err = vkAcquireNextImageKHR( g_Device, g_Swapchain, From 1394616d9c87114d5c84b1deb6d75a58dc82d504 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?H=C3=A5vard=20Mathisen?= Date: Thu, 10 Mar 2016 12:30:38 +0100 Subject: [PATCH 4/4] Vulkan Example: Some code layout changes. --- .../vulkan_example/imgui_impl_glfw_vulkan.cpp | 63 +++++++++---------- 1 file changed, 28 insertions(+), 35 deletions(-) diff --git a/examples/vulkan_example/imgui_impl_glfw_vulkan.cpp b/examples/vulkan_example/imgui_impl_glfw_vulkan.cpp index ae479056..4774f173 100644 --- a/examples/vulkan_example/imgui_impl_glfw_vulkan.cpp +++ b/examples/vulkan_example/imgui_impl_glfw_vulkan.cpp @@ -228,7 +228,7 @@ static uint32_t ImGui_ImplGlfwVulkan_MemoryType(VkMemoryPropertyFlags properties if((prop.memoryTypes[i].propertyFlags & properties) == properties && type_bits & (1<TexID = (void *)(intptr_t)g_FontImage; @@ -685,7 +679,6 @@ bool ImGui_ImplGlfwVulkan_CreateDeviceObjects() 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; @@ -703,7 +696,6 @@ bool ImGui_ImplGlfwVulkan_CreateDeviceObjects() &g_FontSampler); ImGui_ImplGlfwVulkan_VkResult(err); } - if(!g_DescriptorSetLayout){ VkSampler sampler[1] = {g_FontSampler}; VkDescriptorSetLayoutBinding binding[1] = {}; @@ -721,6 +713,7 @@ bool ImGui_ImplGlfwVulkan_CreateDeviceObjects() &g_DescriptorSetLayout); ImGui_ImplGlfwVulkan_VkResult(err); } + // Create Descriptor Set: { VkDescriptorSetAllocateInfo alloc_info = {}; alloc_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO;