[WIP] SHADE ImGui Vulkan Backend

SHADE_Engine/SHADE_Engine.vcxproj

@@ -102,6 +102,7 @@
     </Lib>
   </ItemDefinitionGroup>
   <ItemGroup>
+    <ClInclude Include="src\Editor\Backend\SHImGuiVulkanBackend.h" />
     <ClInclude Include="src\Editor\SHEditor.h" />
     <ClInclude Include="src\Editor\SHEditorBackend.h" />
     <ClInclude Include="src\Engine\ECS_Base\Components\SHComponent.h" />
@@ -188,6 +189,7 @@
     <ClInclude Include="src\Tools\SHLogger.h" />
   </ItemGroup>
   <ItemGroup>
+    <ClCompile Include="src\Editor\Backend\SHImGuiVulkanBackend.cpp" />
     <ClCompile Include="src\Editor\SHEditor.cpp" />
     <ClCompile Include="src\Engine\ECS_Base\Components\SHComponent.cpp" />
     <ClCompile Include="src\Engine\ECS_Base\Components\SHComponentGroup.cpp" />

SHADE_Engine/SHADE_Engine.vcxproj.filters

@@ -361,6 +361,7 @@
     <ClInclude Include="src\Tools\SHLogger.h">
       <Filter>Tools</Filter>
     </ClInclude>
+    <ClInclude Include="src\Editor\Backend\SHImGuiVulkanBackend.h" />
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="src\Editor\SHEditor.cpp">
@@ -541,5 +542,6 @@
     <ClCompile Include="src\Tools\SHLogger.cpp">
       <Filter>Tools</Filter>
     </ClCompile>
+    <ClCompile Include="src\Editor\Backend\SHImGuiVulkanBackend.cpp" />
   </ItemGroup>
 </Project>

SHADE_Engine/src/Editor/Backend/SHImGuiVulkanBackend.cpp

@@ -0,0 +1,613 @@
+
+#include <SHpch.h>
+#include <stdio.h>
+
+#include <imgui.h>
+
+#include "SHImGuiVulkanBackend.h"
+
+#include <Engine/ECS_Base/System/SHSystemManager.h>
+
+
+#include "Tools/SHLogger.h"
+namespace SHADE
+{
+#define GETINSTANCE                                                                  \
+    ImGuiIO& io        = ImGui::GetIO();                                             \
+    SHBreachInstance& instance  = *reinterpret_cast<SHBreachInstance*>(io.UserData);
+
+  /*
+  #==============================================================#
+  ||                      Embedded Shaders                      ||
+  #==============================================================#
+  */
+  // glsl_shader.vert, compiled with:
+  // # glslangValidator -V -x -o glsl_shader.vert.u32 glsl_shader.vert
+  /*
+  #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 gl_PerVertex { vec4 gl_Position; };
+  layout(location = 0) out struct { vec4 Color; vec2 UV; } Out;
+
+  void main()
+  {
+      Out.Color = aColor;
+      Out.UV = aUV;
+      gl_Position = vec4(aPos * pc.uScale + pc.uTranslate, 0, 1);
+  }
+  */
+  static uint32_t __glsl_shader_vert_spv[] =
+  {
+      0x07230203,0x00010000,0x00080001,0x0000002e,0x00000000,0x00020011,0x00000001,0x0006000b,
+      0x00000001,0x4c534c47,0x6474732e,0x3035342e,0x00000000,0x0003000e,0x00000000,0x00000001,
+      0x000a000f,0x00000000,0x00000004,0x6e69616d,0x00000000,0x0000000b,0x0000000f,0x00000015,
+      0x0000001b,0x0000001c,0x00030003,0x00000002,0x000001c2,0x00040005,0x00000004,0x6e69616d,
+      0x00000000,0x00030005,0x00000009,0x00000000,0x00050006,0x00000009,0x00000000,0x6f6c6f43,
+      0x00000072,0x00040006,0x00000009,0x00000001,0x00005655,0x00030005,0x0000000b,0x0074754f,
+      0x00040005,0x0000000f,0x6c6f4361,0x0000726f,0x00030005,0x00000015,0x00565561,0x00060005,
+      0x00000019,0x505f6c67,0x65567265,0x78657472,0x00000000,0x00060006,0x00000019,0x00000000,
+      0x505f6c67,0x7469736f,0x006e6f69,0x00030005,0x0000001b,0x00000000,0x00040005,0x0000001c,
+      0x736f5061,0x00000000,0x00060005,0x0000001e,0x73755075,0x6e6f4368,0x6e617473,0x00000074,
+      0x00050006,0x0000001e,0x00000000,0x61635375,0x0000656c,0x00060006,0x0000001e,0x00000001,
+      0x61725475,0x616c736e,0x00006574,0x00030005,0x00000020,0x00006370,0x00040047,0x0000000b,
+      0x0000001e,0x00000000,0x00040047,0x0000000f,0x0000001e,0x00000002,0x00040047,0x00000015,
+      0x0000001e,0x00000001,0x00050048,0x00000019,0x00000000,0x0000000b,0x00000000,0x00030047,
+      0x00000019,0x00000002,0x00040047,0x0000001c,0x0000001e,0x00000000,0x00050048,0x0000001e,
+      0x00000000,0x00000023,0x00000000,0x00050048,0x0000001e,0x00000001,0x00000023,0x00000008,
+      0x00030047,0x0000001e,0x00000002,0x00020013,0x00000002,0x00030021,0x00000003,0x00000002,
+      0x00030016,0x00000006,0x00000020,0x00040017,0x00000007,0x00000006,0x00000004,0x00040017,
+      0x00000008,0x00000006,0x00000002,0x0004001e,0x00000009,0x00000007,0x00000008,0x00040020,
+      0x0000000a,0x00000003,0x00000009,0x0004003b,0x0000000a,0x0000000b,0x00000003,0x00040015,
+      0x0000000c,0x00000020,0x00000001,0x0004002b,0x0000000c,0x0000000d,0x00000000,0x00040020,
+      0x0000000e,0x00000001,0x00000007,0x0004003b,0x0000000e,0x0000000f,0x00000001,0x00040020,
+      0x00000011,0x00000003,0x00000007,0x0004002b,0x0000000c,0x00000013,0x00000001,0x00040020,
+      0x00000014,0x00000001,0x00000008,0x0004003b,0x00000014,0x00000015,0x00000001,0x00040020,
+      0x00000017,0x00000003,0x00000008,0x0003001e,0x00000019,0x00000007,0x00040020,0x0000001a,
+      0x00000003,0x00000019,0x0004003b,0x0000001a,0x0000001b,0x00000003,0x0004003b,0x00000014,
+      0x0000001c,0x00000001,0x0004001e,0x0000001e,0x00000008,0x00000008,0x00040020,0x0000001f,
+      0x00000009,0x0000001e,0x0004003b,0x0000001f,0x00000020,0x00000009,0x00040020,0x00000021,
+      0x00000009,0x00000008,0x0004002b,0x00000006,0x00000028,0x00000000,0x0004002b,0x00000006,
+      0x00000029,0x3f800000,0x00050036,0x00000002,0x00000004,0x00000000,0x00000003,0x000200f8,
+      0x00000005,0x0004003d,0x00000007,0x00000010,0x0000000f,0x00050041,0x00000011,0x00000012,
+      0x0000000b,0x0000000d,0x0003003e,0x00000012,0x00000010,0x0004003d,0x00000008,0x00000016,
+      0x00000015,0x00050041,0x00000017,0x00000018,0x0000000b,0x00000013,0x0003003e,0x00000018,
+      0x00000016,0x0004003d,0x00000008,0x0000001d,0x0000001c,0x00050041,0x00000021,0x00000022,
+      0x00000020,0x0000000d,0x0004003d,0x00000008,0x00000023,0x00000022,0x00050085,0x00000008,
+      0x00000024,0x0000001d,0x00000023,0x00050041,0x00000021,0x00000025,0x00000020,0x00000013,
+      0x0004003d,0x00000008,0x00000026,0x00000025,0x00050081,0x00000008,0x00000027,0x00000024,
+      0x00000026,0x00050051,0x00000006,0x0000002a,0x00000027,0x00000000,0x00050051,0x00000006,
+      0x0000002b,0x00000027,0x00000001,0x00070050,0x00000007,0x0000002c,0x0000002a,0x0000002b,
+      0x00000028,0x00000029,0x00050041,0x00000011,0x0000002d,0x0000001b,0x0000000d,0x0003003e,
+      0x0000002d,0x0000002c,0x000100fd,0x00010038
+  };
+
+  // glsl_shader.frag, compiled with:
+  // # glslangValidator -V -x -o glsl_shader.frag.u32 glsl_shader.frag
+  /*
+  #version 450 core
+  layout(location = 0) out vec4 fColor;
+  layout(set=0, binding=0) uniform sampler2D sTexture;
+  layout(location = 0) in struct { vec4 Color; vec2 UV; } In;
+  void main()
+  {
+      fColor = In.Color * texture(sTexture, In.UV.st);
+  }
+  */
+  static uint32_t __glsl_shader_frag_spv[] =
+  {
+      0x07230203,0x00010000,0x00080001,0x0000001e,0x00000000,0x00020011,0x00000001,0x0006000b,
+      0x00000001,0x4c534c47,0x6474732e,0x3035342e,0x00000000,0x0003000e,0x00000000,0x00000001,
+      0x0007000f,0x00000004,0x00000004,0x6e69616d,0x00000000,0x00000009,0x0000000d,0x00030010,
+      0x00000004,0x00000007,0x00030003,0x00000002,0x000001c2,0x00040005,0x00000004,0x6e69616d,
+      0x00000000,0x00040005,0x00000009,0x6c6f4366,0x0000726f,0x00030005,0x0000000b,0x00000000,
+      0x00050006,0x0000000b,0x00000000,0x6f6c6f43,0x00000072,0x00040006,0x0000000b,0x00000001,
+      0x00005655,0x00030005,0x0000000d,0x00006e49,0x00050005,0x00000016,0x78655473,0x65727574,
+      0x00000000,0x00040047,0x00000009,0x0000001e,0x00000000,0x00040047,0x0000000d,0x0000001e,
+      0x00000000,0x00040047,0x00000016,0x00000022,0x00000000,0x00040047,0x00000016,0x00000021,
+      0x00000000,0x00020013,0x00000002,0x00030021,0x00000003,0x00000002,0x00030016,0x00000006,
+      0x00000020,0x00040017,0x00000007,0x00000006,0x00000004,0x00040020,0x00000008,0x00000003,
+      0x00000007,0x0004003b,0x00000008,0x00000009,0x00000003,0x00040017,0x0000000a,0x00000006,
+      0x00000002,0x0004001e,0x0000000b,0x00000007,0x0000000a,0x00040020,0x0000000c,0x00000001,
+      0x0000000b,0x0004003b,0x0000000c,0x0000000d,0x00000001,0x00040015,0x0000000e,0x00000020,
+      0x00000001,0x0004002b,0x0000000e,0x0000000f,0x00000000,0x00040020,0x00000010,0x00000001,
+      0x00000007,0x00090019,0x00000013,0x00000006,0x00000001,0x00000000,0x00000000,0x00000000,
+      0x00000001,0x00000000,0x0003001b,0x00000014,0x00000013,0x00040020,0x00000015,0x00000000,
+      0x00000014,0x0004003b,0x00000015,0x00000016,0x00000000,0x0004002b,0x0000000e,0x00000018,
+      0x00000001,0x00040020,0x00000019,0x00000001,0x0000000a,0x00050036,0x00000002,0x00000004,
+      0x00000000,0x00000003,0x000200f8,0x00000005,0x00050041,0x00000010,0x00000011,0x0000000d,
+      0x0000000f,0x0004003d,0x00000007,0x00000012,0x00000011,0x0004003d,0x00000014,0x00000017,
+      0x00000016,0x00050041,0x00000019,0x0000001a,0x0000000d,0x00000018,0x0004003d,0x0000000a,
+      0x0000001b,0x0000001a,0x00050057,0x00000007,0x0000001c,0x00000017,0x0000001b,0x00050085,
+      0x00000007,0x0000001d,0x00000012,0x0000001c,0x0003003e,0x00000009,0x0000001d,0x000100fd,
+      0x00010038
+  };
+
+  /*
+  #==============================================================#
+  ||                    ImGui Push Constants                    ||
+  #==============================================================#
+  */
+  struct ImGui_Push_Constants
+  {
+    std::array<float, 2> scale;
+    std::array<float, 2> translate;
+  };
+
+  void SHImGuiVulkanBackend::CreateInstance(Handle<SHVkLogicalDevice> const& logicalDevice) noexcept
+  {
+    if (ImGui::GetCurrentContext() == nullptr)
+    {
+      IMGUI_CHECKVERSION();
+      ImGui::CreateContext();
+    }
+    else { SHLOG_WARNING("ImGui context already exists") };
+
+    ImGuiIO& io = ImGui::GetIO();
+    io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard;       // Enable Keyboard Controls
+    io.ConfigFlags |= ImGuiConfigFlags_DockingEnable;           // Enable Docking
+    io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable;         // Enable Multi-Viewport / Platform Windows
+    io.BackendFlags |= ImGuiBackendFlags_RendererHasVtxOffset;  // We can honor the ImDrawCmd::VtxOffset field, allowing for large meshes.
+    //io.BackendFlags |= ImGuiBackendFlags_RendererHasViewports;  // We can create multi-viewports on the Renderer side (optional)
+    //io.BackendFlags |= ImGuiBackendFlags_PlatformHasViewports;  // We can create multi-viewports on the Platform side (optional)
+    io.BackendRendererName = "SHImGuiVulkanBackend";
+
+    if (io.ConfigFlags & ImGuiConfigFlags_ViewportsEnable)
+    {
+      ImGuiPlatformIO& platformIO = ImGui::GetPlatformIO();
+      platformIO.Renderer_CreateWindow = CreateChildWindow;
+      platformIO.Renderer_DestroyWindow = DestroyChildWindow;
+      platformIO.Renderer_SetWindowSize = SetChildWindowSize;
+      platformIO.Renderer_RenderWindow = RenderChildWindow;
+      platformIO.Renderer_SwapBuffers = ChildSwapBuffers;
+
+      platformIO.Platform_CreateWindow = CreateChildWindow;
+      platformIO.Platform_DestroyWindow = DestroyChildWindow;
+      platformIO.Platform_ShowWindow = [](ImGuiViewport* pViewport) {};
+      platformIO.Platform_SetWindowPos = SetChildWindowPos;
+      platformIO.Platform_GetWindowPos = GetChildWindowPos;
+      platformIO.Platform_SetWindowSize = SetChildWindowSize;
+      platformIO.Platform_GetWindowSize = GetChildWindowSize;
+      //platform_io.Platform_SetWindowFocus     = ImGui_ImplGlfw_SetWindowFocus;
+      //platform_io.Platform_GetWindowFocus     = ImGui_ImplGlfw_GetWindowFocus;
+      //platform_io.Platform_GetWindowMinimized = ImGui_ImplGlfw_GetWindowMinimized;
+      platformIO.Platform_SetWindowTitle = [](ImGuiViewport* pViewport, const char*) {};
+      platformIO.Platform_RenderWindow = RenderChildWindow;
+      platformIO.Platform_SwapBuffers = ChildSwapBuffers;
+
+      platformIO.Monitors.resize(0);
+      ImGuiPlatformMonitor monitor;
+      monitor.MainPos = monitor.WorkPos = {};
+      monitor.MainSize = monitor.WorkSize = {};
+      platformIO.Monitors.push_back(monitor);
+    }//if(io.ConfigFlags & ImGuiConfigFlags_ViewportsEnable)
+
+    //associate io keymap with engine input keymap
+
+    //Initialize instance
+    auto instance = std::make_unique<SHBreachInstance>();
+    instance->InitializePipeline(io);
+    instance->lastFrameTime = std::chrono::high_resolution_clock::now();
+    io.UserData = instance.release();
+
+    ImGuiViewport* viewport = ImGui::GetMainViewport();
+    viewport->RendererUserData = io.UserData;
+    viewport->PlatformHandle = io.UserData;
+  }
+
+  void SHImGuiVulkanBackend::Render(void) noexcept
+  {
+    ImGui::Render();
+    ImDrawData* drawData = ImGui::GetDrawData();
+    //TODO: instance draw data
+  }
+
+  void SHImGuiVulkanBackend::CreateChildWindow(ImGuiViewport* viewport) noexcept
+  {
+    GETINSTANCE
+
+      auto& info = *new SHImGuiWindow{ instance.device };
+    viewport->RendererUserData = &info;
+  }
+
+  void SHImGuiVulkanBackend::DestroyChildWindow(ImGuiViewport* viewport) noexcept
+  {
+    GETINSTANCE
+
+      auto info = reinterpret_cast<SHImGuiWindow*>(viewport->RendererUserData);
+    delete info;
+    viewport->RendererUserData = nullptr;
+  }
+
+  ImVec2 SHImGuiVulkanBackend::GetChildWindowSize(ImGuiViewport* viewport) noexcept
+  {
+    auto info = reinterpret_cast<SHImGuiWindow*>(viewport->RendererUserData);
+    return{};
+  }
+
+  void SHImGuiVulkanBackend::SetChildWindowSize(ImGuiViewport* viewport, ImVec2 size) noexcept
+  {
+
+  }
+
+  ImVec2 SHImGuiVulkanBackend::GetChildWindowPos(ImGuiViewport* viewport) noexcept
+  {
+  }
+
+  void SHImGuiVulkanBackend::SetChildWindowPos(ImGuiViewport* viewport, ImVec2 size) noexcept
+  {
+  }
+
+  void SHImGuiVulkanBackend::RenderChildWindow(ImGuiViewport* viewport, void*) noexcept
+  {
+  }
+
+  void SHImGuiVulkanBackend::ChildSwapBuffers(ImGuiViewport* viewport, void*) noexcept
+  {
+  }
+
+
+  void SHImGuiVulkanBackend::SHImGuiWindow::InitializeBuffers(void) noexcept
+  {
+    for (auto& primBuffer : primitiveBuffers)
+    {
+      primBuffer.vertexBuffer = logicalDeviceHdl->CreateBuffer(sizeof(ImDrawVert) * 3000,
+        nullptr,
+        sizeof(ImDrawVert) * 3000,
+        vk::BufferUsageFlagBits::eVertexBuffer,
+        VMA_MEMORY_USAGE_AUTO,
+        VMA_ALLOCATION_CREATE_HOST_ACCESS_RANDOM_BIT | VMA_ALLOCATION_CREATE_MAPPED_BIT); // alloc flags 
+
+      primBuffer.indicesBuffer = logicalDeviceHdl->CreateBuffer(sizeof(ImDrawIdx) * 3000,
+        nullptr,
+        sizeof(ImDrawIdx) * 3000,
+        vk::BufferUsageFlagBits::eIndexBuffer,
+        VMA_MEMORY_USAGE_AUTO,
+        VMA_ALLOCATION_CREATE_HOST_ACCESS_RANDOM_BIT | VMA_ALLOCATION_CREATE_MAPPED_BIT); // alloc flags 
+
+    }
+  }
+
+
+
+  void SHImGuiVulkanBackend::SHBreachInstance::CreateFontsTexture(Handle<SHVkImage> image, ImGuiIO& io) noexcept
+  {
+    // Build texture atlas
+    unsigned char* pixels;
+    int             width, height;
+
+    // Load as RGBA 32-bits (75% of the memory is wasted, but default font is so small) because it is more likely to be compatible with user's existing shaders. 
+    // If your ImTextureId represent a higher-level concept than just a GL texture id, consider calling GetTexDataAsAlpha8() instead to save on GPU memory.
+    io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height);
+
+
+
+    // Create the texture in xgpu
+    {
+      std::array<xgpu::texture::setup::mip, 1> Mip{ height * width * sizeof(std::uint32_t) };
+      xgpu::texture::setup                    Setup;
+
+      Setup.m_Height = height;
+      Setup.m_Width = width;
+      Setup.m_MipChain = Mip;
+      Setup.m_Data = { reinterpret_cast<const std::byte*>(pixels), Mip[0].m_Size };
+
+      if (auto Err = m_Device.Create(Texture, Setup); Err)
+        return Err;
+    }
+
+    // We could put here the texture id if we wanted 
+    io.Fonts->TexID = nullptr;
+
+    return nullptr;
+
+  }
+}
+#include <SHpch.h>
+#include <stdio.h>
+
+#include <imgui.h>
+
+#include "SHImGuiVulkanBackend.h"
+
+#include <Engine/ECS_Base/System/SHSystemManager.h>
+
+
+#include "Tools/SHLogger.h"
+namespace SHADE
+{
+#define GETINSTANCE                                                                  \
+    ImGuiIO& io        = ImGui::GetIO();                                             \
+    SHBreachInstance& instance  = *reinterpret_cast<SHBreachInstance*>(io.UserData);
+
+  /*
+  #==============================================================#
+  ||                      Embedded Shaders                      ||
+  #==============================================================#
+  */
+  // glsl_shader.vert, compiled with:
+  // # glslangValidator -V -x -o glsl_shader.vert.u32 glsl_shader.vert
+  /*
+  #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 gl_PerVertex { vec4 gl_Position; };
+  layout(location = 0) out struct { vec4 Color; vec2 UV; } Out;
+
+  void main()
+  {
+      Out.Color = aColor;
+      Out.UV = aUV;
+      gl_Position = vec4(aPos * pc.uScale + pc.uTranslate, 0, 1);
+  }
+  */
+  static uint32_t __glsl_shader_vert_spv[] =
+  {
+      0x07230203,0x00010000,0x00080001,0x0000002e,0x00000000,0x00020011,0x00000001,0x0006000b,
+      0x00000001,0x4c534c47,0x6474732e,0x3035342e,0x00000000,0x0003000e,0x00000000,0x00000001,
+      0x000a000f,0x00000000,0x00000004,0x6e69616d,0x00000000,0x0000000b,0x0000000f,0x00000015,
+      0x0000001b,0x0000001c,0x00030003,0x00000002,0x000001c2,0x00040005,0x00000004,0x6e69616d,
+      0x00000000,0x00030005,0x00000009,0x00000000,0x00050006,0x00000009,0x00000000,0x6f6c6f43,
+      0x00000072,0x00040006,0x00000009,0x00000001,0x00005655,0x00030005,0x0000000b,0x0074754f,
+      0x00040005,0x0000000f,0x6c6f4361,0x0000726f,0x00030005,0x00000015,0x00565561,0x00060005,
+      0x00000019,0x505f6c67,0x65567265,0x78657472,0x00000000,0x00060006,0x00000019,0x00000000,
+      0x505f6c67,0x7469736f,0x006e6f69,0x00030005,0x0000001b,0x00000000,0x00040005,0x0000001c,
+      0x736f5061,0x00000000,0x00060005,0x0000001e,0x73755075,0x6e6f4368,0x6e617473,0x00000074,
+      0x00050006,0x0000001e,0x00000000,0x61635375,0x0000656c,0x00060006,0x0000001e,0x00000001,
+      0x61725475,0x616c736e,0x00006574,0x00030005,0x00000020,0x00006370,0x00040047,0x0000000b,
+      0x0000001e,0x00000000,0x00040047,0x0000000f,0x0000001e,0x00000002,0x00040047,0x00000015,
+      0x0000001e,0x00000001,0x00050048,0x00000019,0x00000000,0x0000000b,0x00000000,0x00030047,
+      0x00000019,0x00000002,0x00040047,0x0000001c,0x0000001e,0x00000000,0x00050048,0x0000001e,
+      0x00000000,0x00000023,0x00000000,0x00050048,0x0000001e,0x00000001,0x00000023,0x00000008,
+      0x00030047,0x0000001e,0x00000002,0x00020013,0x00000002,0x00030021,0x00000003,0x00000002,
+      0x00030016,0x00000006,0x00000020,0x00040017,0x00000007,0x00000006,0x00000004,0x00040017,
+      0x00000008,0x00000006,0x00000002,0x0004001e,0x00000009,0x00000007,0x00000008,0x00040020,
+      0x0000000a,0x00000003,0x00000009,0x0004003b,0x0000000a,0x0000000b,0x00000003,0x00040015,
+      0x0000000c,0x00000020,0x00000001,0x0004002b,0x0000000c,0x0000000d,0x00000000,0x00040020,
+      0x0000000e,0x00000001,0x00000007,0x0004003b,0x0000000e,0x0000000f,0x00000001,0x00040020,
+      0x00000011,0x00000003,0x00000007,0x0004002b,0x0000000c,0x00000013,0x00000001,0x00040020,
+      0x00000014,0x00000001,0x00000008,0x0004003b,0x00000014,0x00000015,0x00000001,0x00040020,
+      0x00000017,0x00000003,0x00000008,0x0003001e,0x00000019,0x00000007,0x00040020,0x0000001a,
+      0x00000003,0x00000019,0x0004003b,0x0000001a,0x0000001b,0x00000003,0x0004003b,0x00000014,
+      0x0000001c,0x00000001,0x0004001e,0x0000001e,0x00000008,0x00000008,0x00040020,0x0000001f,
+      0x00000009,0x0000001e,0x0004003b,0x0000001f,0x00000020,0x00000009,0x00040020,0x00000021,
+      0x00000009,0x00000008,0x0004002b,0x00000006,0x00000028,0x00000000,0x0004002b,0x00000006,
+      0x00000029,0x3f800000,0x00050036,0x00000002,0x00000004,0x00000000,0x00000003,0x000200f8,
+      0x00000005,0x0004003d,0x00000007,0x00000010,0x0000000f,0x00050041,0x00000011,0x00000012,
+      0x0000000b,0x0000000d,0x0003003e,0x00000012,0x00000010,0x0004003d,0x00000008,0x00000016,
+      0x00000015,0x00050041,0x00000017,0x00000018,0x0000000b,0x00000013,0x0003003e,0x00000018,
+      0x00000016,0x0004003d,0x00000008,0x0000001d,0x0000001c,0x00050041,0x00000021,0x00000022,
+      0x00000020,0x0000000d,0x0004003d,0x00000008,0x00000023,0x00000022,0x00050085,0x00000008,
+      0x00000024,0x0000001d,0x00000023,0x00050041,0x00000021,0x00000025,0x00000020,0x00000013,
+      0x0004003d,0x00000008,0x00000026,0x00000025,0x00050081,0x00000008,0x00000027,0x00000024,
+      0x00000026,0x00050051,0x00000006,0x0000002a,0x00000027,0x00000000,0x00050051,0x00000006,
+      0x0000002b,0x00000027,0x00000001,0x00070050,0x00000007,0x0000002c,0x0000002a,0x0000002b,
+      0x00000028,0x00000029,0x00050041,0x00000011,0x0000002d,0x0000001b,0x0000000d,0x0003003e,
+      0x0000002d,0x0000002c,0x000100fd,0x00010038
+  };
+
+  // glsl_shader.frag, compiled with:
+  // # glslangValidator -V -x -o glsl_shader.frag.u32 glsl_shader.frag
+  /*
+  #version 450 core
+  layout(location = 0) out vec4 fColor;
+  layout(set=0, binding=0) uniform sampler2D sTexture;
+  layout(location = 0) in struct { vec4 Color; vec2 UV; } In;
+  void main()
+  {
+      fColor = In.Color * texture(sTexture, In.UV.st);
+  }
+  */
+  static uint32_t __glsl_shader_frag_spv[] =
+  {
+      0x07230203,0x00010000,0x00080001,0x0000001e,0x00000000,0x00020011,0x00000001,0x0006000b,
+      0x00000001,0x4c534c47,0x6474732e,0x3035342e,0x00000000,0x0003000e,0x00000000,0x00000001,
+      0x0007000f,0x00000004,0x00000004,0x6e69616d,0x00000000,0x00000009,0x0000000d,0x00030010,
+      0x00000004,0x00000007,0x00030003,0x00000002,0x000001c2,0x00040005,0x00000004,0x6e69616d,
+      0x00000000,0x00040005,0x00000009,0x6c6f4366,0x0000726f,0x00030005,0x0000000b,0x00000000,
+      0x00050006,0x0000000b,0x00000000,0x6f6c6f43,0x00000072,0x00040006,0x0000000b,0x00000001,
+      0x00005655,0x00030005,0x0000000d,0x00006e49,0x00050005,0x00000016,0x78655473,0x65727574,
+      0x00000000,0x00040047,0x00000009,0x0000001e,0x00000000,0x00040047,0x0000000d,0x0000001e,
+      0x00000000,0x00040047,0x00000016,0x00000022,0x00000000,0x00040047,0x00000016,0x00000021,
+      0x00000000,0x00020013,0x00000002,0x00030021,0x00000003,0x00000002,0x00030016,0x00000006,
+      0x00000020,0x00040017,0x00000007,0x00000006,0x00000004,0x00040020,0x00000008,0x00000003,
+      0x00000007,0x0004003b,0x00000008,0x00000009,0x00000003,0x00040017,0x0000000a,0x00000006,
+      0x00000002,0x0004001e,0x0000000b,0x00000007,0x0000000a,0x00040020,0x0000000c,0x00000001,
+      0x0000000b,0x0004003b,0x0000000c,0x0000000d,0x00000001,0x00040015,0x0000000e,0x00000020,
+      0x00000001,0x0004002b,0x0000000e,0x0000000f,0x00000000,0x00040020,0x00000010,0x00000001,
+      0x00000007,0x00090019,0x00000013,0x00000006,0x00000001,0x00000000,0x00000000,0x00000000,
+      0x00000001,0x00000000,0x0003001b,0x00000014,0x00000013,0x00040020,0x00000015,0x00000000,
+      0x00000014,0x0004003b,0x00000015,0x00000016,0x00000000,0x0004002b,0x0000000e,0x00000018,
+      0x00000001,0x00040020,0x00000019,0x00000001,0x0000000a,0x00050036,0x00000002,0x00000004,
+      0x00000000,0x00000003,0x000200f8,0x00000005,0x00050041,0x00000010,0x00000011,0x0000000d,
+      0x0000000f,0x0004003d,0x00000007,0x00000012,0x00000011,0x0004003d,0x00000014,0x00000017,
+      0x00000016,0x00050041,0x00000019,0x0000001a,0x0000000d,0x00000018,0x0004003d,0x0000000a,
+      0x0000001b,0x0000001a,0x00050057,0x00000007,0x0000001c,0x00000017,0x0000001b,0x00050085,
+      0x00000007,0x0000001d,0x00000012,0x0000001c,0x0003003e,0x00000009,0x0000001d,0x000100fd,
+      0x00010038
+  };
+
+  /*
+  #==============================================================#
+  ||                    ImGui Push Constants                    ||
+  #==============================================================#
+  */
+  struct ImGui_Push_Constants
+  {
+    std::array<float, 2> scale;
+    std::array<float, 2> translate;
+  };
+
+  void SHImGuiVulkanBackend::CreateInstance(Handle<SHVkLogicalDevice> const& logicalDevice) noexcept
+  {
+    if (ImGui::GetCurrentContext() == nullptr)
+    {
+      IMGUI_CHECKVERSION();
+      ImGui::CreateContext();
+    }
+    else { SHLOG_WARNING("ImGui context already exists") };
+
+    ImGuiIO& io = ImGui::GetIO();
+    io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard;       // Enable Keyboard Controls
+    io.ConfigFlags |= ImGuiConfigFlags_DockingEnable;           // Enable Docking
+    io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable;         // Enable Multi-Viewport / Platform Windows
+    io.BackendFlags |= ImGuiBackendFlags_RendererHasVtxOffset;  // We can honor the ImDrawCmd::VtxOffset field, allowing for large meshes.
+    //io.BackendFlags |= ImGuiBackendFlags_RendererHasViewports;  // We can create multi-viewports on the Renderer side (optional)
+    //io.BackendFlags |= ImGuiBackendFlags_PlatformHasViewports;  // We can create multi-viewports on the Platform side (optional)
+    io.BackendRendererName = "SHImGuiVulkanBackend";
+
+    if (io.ConfigFlags & ImGuiConfigFlags_ViewportsEnable)
+    {
+      ImGuiPlatformIO& platformIO = ImGui::GetPlatformIO();
+      platformIO.Renderer_CreateWindow = CreateChildWindow;
+      platformIO.Renderer_DestroyWindow = DestroyChildWindow;
+      platformIO.Renderer_SetWindowSize = SetChildWindowSize;
+      platformIO.Renderer_RenderWindow = RenderChildWindow;
+      platformIO.Renderer_SwapBuffers = ChildSwapBuffers;
+
+      platformIO.Platform_CreateWindow = CreateChildWindow;
+      platformIO.Platform_DestroyWindow = DestroyChildWindow;
+      platformIO.Platform_ShowWindow = [](ImGuiViewport* pViewport) {};
+      platformIO.Platform_SetWindowPos = SetChildWindowPos;
+      platformIO.Platform_GetWindowPos = GetChildWindowPos;
+      platformIO.Platform_SetWindowSize = SetChildWindowSize;
+      platformIO.Platform_GetWindowSize = GetChildWindowSize;
+      //platform_io.Platform_SetWindowFocus     = ImGui_ImplGlfw_SetWindowFocus;
+      //platform_io.Platform_GetWindowFocus     = ImGui_ImplGlfw_GetWindowFocus;
+      //platform_io.Platform_GetWindowMinimized = ImGui_ImplGlfw_GetWindowMinimized;
+      platformIO.Platform_SetWindowTitle = [](ImGuiViewport* pViewport, const char*) {};
+      platformIO.Platform_RenderWindow = RenderChildWindow;
+      platformIO.Platform_SwapBuffers = ChildSwapBuffers;
+
+      platformIO.Monitors.resize(0);
+      ImGuiPlatformMonitor monitor;
+      monitor.MainPos = monitor.WorkPos = {};
+      monitor.MainSize = monitor.WorkSize = {};
+      platformIO.Monitors.push_back(monitor);
+    }//if(io.ConfigFlags & ImGuiConfigFlags_ViewportsEnable)
+
+    //associate io keymap with engine input keymap
+
+    //Initialize instance
+    auto instance = std::make_unique<SHBreachInstance>();
+    instance->InitializePipeline(io);
+    instance->lastFrameTime = std::chrono::high_resolution_clock::now();
+    io.UserData = instance.release();
+
+    ImGuiViewport* viewport = ImGui::GetMainViewport();
+    viewport->RendererUserData = io.UserData;
+    viewport->PlatformHandle = io.UserData;
+  }
+
+  void SHImGuiVulkanBackend::Render(void) noexcept
+  {
+    ImGui::Render();
+    ImDrawData* drawData = ImGui::GetDrawData();
+    //TODO: instance draw data
+  }
+
+  void SHImGuiVulkanBackend::CreateChildWindow(ImGuiViewport* viewport) noexcept
+  {
+    GETINSTANCE
+
+      auto& info = *new SHImGuiWindow{ instance.device };
+    viewport->RendererUserData = &info;
+  }
+
+  void SHImGuiVulkanBackend::DestroyChildWindow(ImGuiViewport* viewport) noexcept
+  {
+    GETINSTANCE
+
+      auto info = reinterpret_cast<SHImGuiWindow*>(viewport->RendererUserData);
+    delete info;
+    viewport->RendererUserData = nullptr;
+  }
+
+  ImVec2 SHImGuiVulkanBackend::GetChildWindowSize(ImGuiViewport* viewport) noexcept
+  {
+    auto info = reinterpret_cast<SHImGuiWindow*>(viewport->RendererUserData);
+    return{};
+  }
+
+  void SHImGuiVulkanBackend::SetChildWindowSize(ImGuiViewport* viewport, ImVec2 size) noexcept
+  {
+
+  }
+
+  ImVec2 SHImGuiVulkanBackend::GetChildWindowPos(ImGuiViewport* viewport) noexcept
+  {
+  }
+
+  void SHImGuiVulkanBackend::SetChildWindowPos(ImGuiViewport* viewport, ImVec2 size) noexcept
+  {
+  }
+
+  void SHImGuiVulkanBackend::RenderChildWindow(ImGuiViewport* viewport, void*) noexcept
+  {
+  }
+
+  void SHImGuiVulkanBackend::ChildSwapBuffers(ImGuiViewport* viewport, void*) noexcept
+  {
+  }
+
+
+  void SHImGuiVulkanBackend::SHImGuiWindow::InitializeBuffers(void) noexcept
+  {
+    for (auto& primBuffer : primitiveBuffers)
+    {
+      primBuffer.vertexBuffer = logicalDeviceHdl->CreateBuffer(sizeof(ImDrawVert) * 3000,
+        nullptr,
+        sizeof(ImDrawVert) * 3000,
+        vk::BufferUsageFlagBits::eVertexBuffer,
+        VMA_MEMORY_USAGE_AUTO,
+        VMA_ALLOCATION_CREATE_HOST_ACCESS_RANDOM_BIT | VMA_ALLOCATION_CREATE_MAPPED_BIT); // alloc flags 
+
+      primBuffer.indicesBuffer = logicalDeviceHdl->CreateBuffer(sizeof(ImDrawIdx) * 3000,
+        nullptr,
+        sizeof(ImDrawIdx) * 3000,
+        vk::BufferUsageFlagBits::eIndexBuffer,
+        VMA_MEMORY_USAGE_AUTO,
+        VMA_ALLOCATION_CREATE_HOST_ACCESS_RANDOM_BIT | VMA_ALLOCATION_CREATE_MAPPED_BIT); // alloc flags 
+
+    }
+  }
+
+  void SHImGuiVulkanBackend::SHBreachInstance::CreateFontsTexture(Handle<SHVkImage> image, ImGuiIO& io) noexcept
+  {
+    // Build texture atlas
+    unsigned char* pixels;
+    int             width, height;
+
+    // Load as RGBA 32-bits (75% of the memory is wasted, but default font is so small) because it is more likely to be compatible with user's existing shaders. 
+    // If your ImTextureId represent a higher-level concept than just a GL texture id, consider calling GetTexDataAsAlpha8() instead to save on GPU memory.
+    io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height);
+
+
+
+    // Create the texture in xgpu
+    {
+      std::array<xgpu::texture::setup::mip, 1> Mip{ height * width * sizeof(std::uint32_t) };
+      xgpu::texture::setup                    Setup;
+
+      Setup.m_Height = height;
+      Setup.m_Width = width;
+      Setup.m_MipChain = Mip;
+      Setup.m_Data = { reinterpret_cast<const std::byte*>(pixels), Mip[0].m_Size };
+
+      if (auto Err = m_Device.Create(Texture, Setup); Err)
+        return Err;
+    }
+
+    // We could put here the texture id if we wanted 
+    io.Fonts->TexID = nullptr;
+
+    return nullptr;
+
+  }
+}

SHADE_Engine/src/Editor/Backend/SHImGuiVulkanBackend.h

@@ -0,0 +1,62 @@
+#pragma once
+
+#include <Graphics/Instance/SHVkInstance.h>
+#include "Graphics/Buffers/SHVkBuffer.h"
+#include "Graphics/Images/SHVkImage.h"
+#include <Graphics/Devices/SHVkPhysicalDevice.h>
+#include <Graphics/Devices/SHVkLogicalDevice.h>
+#include <Graphics/Pipeline/SHVkPipeline.h>
+#include "Graphics/Swapchain/SHVkSwapchain.h"
+#include <Graphics/MiddleEnd/Interface/SHGraphicsSystem.h>
+#include "Graphics/Debugging/SHVulkanDebugUtil.h"
+
+namespace SHADE
+{
+  class SHImGuiVulkanBackend
+  {
+    struct SHImGuiWindow
+    {
+      struct Buffers
+      {
+        Handle<SHVkBuffer> vertexBuffer;
+        Handle<SHVkBuffer> indicesBuffer;
+
+      };
+
+      Handle<SHVkLogicalDevice> device;
+      std::array<Buffers, 2> primitiveBuffers;
+
+    public:
+      void InitializeBuffers(void) noexcept;
+
+    };
+
+    struct SHBreachInstance : public SHImGuiWindow
+    {
+      Handle<SHVkPipeline> pipeline;
+      std::chrono::time_point<std::chrono::steady_clock> lastFrameTime;
+    public:
+      void CreateFontsTexture (Handle<SHVkImage> image, ImGuiIO& io) noexcept;
+      void InitializePipeline(ImGuiIO& io) noexcept;
+    };
+  public:
+    static void CreateInstance(Handle<SHVkLogicalDevice> const& logicalDevice) noexcept;
+    static void Render(void) noexcept;
+
+
+    static void EnableDocking(void) noexcept;
+
+    //Platform specific functions
+    static void CreateChildWindow(ImGuiViewport* viewport) noexcept;
+    static void DestroyChildWindow(ImGuiViewport* viewport) noexcept;
+    static ImVec2 GetChildWindowSize(ImGuiViewport* viewport) noexcept;
+    static void SetChildWindowSize(ImGuiViewport* viewport, ImVec2 size) noexcept;
+    static ImVec2 GetChildWindowPos(ImGuiViewport* viewport) noexcept;
+    static void SetChildWindowPos(ImGuiViewport* viewport, ImVec2 size) noexcept;
+    static void RenderChildWindow(ImGuiViewport* viewport, void*) noexcept;
+    static void ChildSwapBuffers(ImGuiViewport* viewport, void*) noexcept;
+
+  private:
+
+  };
+}

SHADE_Engine/src/Editor/SHEditor.cpp

@@ -3,8 +3,8 @@
 #include "SHEditorBackend.h"
 
 #include <Engine/ECS_Base/System/SHSystemManager.h>
-#include <Graphics/Instance/SHVkInstance.h>
 
+#include <Graphics/Instance/SHVkInstance.h>
 #include <Graphics/MiddleEnd/Interface/SHGraphicsSystem.h>
 #include <Graphics/Devices/SHVkPhysicalDevice.h>
 #include <Graphics/Devices/SHVkLogicalDevice.h>
@@ -13,6 +13,8 @@
 
 #include "Tools/SHLogger.h"
 
+extern IMGUI_IMPL_API LRESULT ImGui_ImplWin32_WndProcHandler(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
+
 namespace SHADE
 {
   Handle<SHVkCommandPool> SHEditor::cmdPool;
@@ -23,14 +25,15 @@ namespace SHADE
     IMGUI_CHECKVERSION();
     ImGui::CreateContext();
 
+    ImGuiIO& io = ImGui::GetIO();
+
+    //io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard;     // Enable Keyboard Controls
+    io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable;
+    io.ConfigFlags |= ImGuiConfigFlags_DockingEnable;
+
     SetupWin32Backend(hwnd);
     SetupVulkanBackend();
 
-    //ImGuiIO& io = ImGui::GetIO();
-
-    //io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard;     // Enable Keyboard Controls
-    //io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable;
-    //io.ConfigFlags |= ImGuiConfigFlags_DockingEnable;
 
   }
 
@@ -44,7 +47,7 @@ namespace SHADE
     NewFrame();
 
     //Add all windows to draw list, Perform necessary updates
-    ImGui::ShowDemoWindow();
+    //ImGui::ShowDemoWindow();
 
     ImGui::Render();
   }
@@ -59,6 +62,7 @@ namespace SHADE
       ImGui::UpdatePlatformWindows();
       ImGui::RenderPlatformWindowsDefault();
     }
+
   }
 
   void SHEditor::Exit()
@@ -83,6 +87,7 @@ namespace SHADE
     initInfo.Allocator = nullptr;
     initInfo.PipelineCache = nullptr;
     initInfo.Subpass = 0;
+
     initInfo.CheckVkResultFn = [](VkResult err)
     {
       if (err == VK_SUCCESS)
@@ -105,8 +110,8 @@ namespace SHADE
 
   void SHEditor::NewFrame()
   {
-    ImGui_ImplWin32_NewFrame();
     ImGui_ImplVulkan_NewFrame();
+    ImGui_ImplWin32_NewFrame();
     ImGui::NewFrame();
   }
 
@@ -118,4 +123,5 @@ namespace SHADE
   void SHEditor::ShutdownWin32Backend()
   {
   }
+
 }