| // ImGui GLFW binding with Vulkan + shaders |
| |
| // Missing features: |
| // [ ] User texture binding. Changes of ImTextureID aren't supported by this binding! See https://github.com/ocornut/imgui/pull/914 |
| |
| // 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 |
| |
| // CHANGELOG |
| // (minor and older changes stripped away, please see git history for details) |
| // 2018-03-20: Misc: Setup io.BackendFlags ImGuiBackendFlags_HasMouseCursors flag + honor ImGuiConfigFlags_NoMouseCursorChange flag. |
| // 2018-02-20: Inputs: Added support for mouse cursors (ImGui::GetMouseCursor() value and WM_SETCURSOR message handling). |
| // 2018-02-20: Inputs: Renamed GLFW callbacks exposed in .h to not include Vulkan in their name. |
| // 2018-02-16: Misc: Obsoleted the io.RenderDrawListsFn callback, ImGui_ImplGlfwVulkan_Render() calls ImGui_ImplGlfwVulkan_RenderDrawData() itself. |
| // 2018-02-06: Misc: Removed call to ImGui::Shutdown() which is not available from 1.60 WIP, user needs to call CreateContext/DestroyContext themselves. |
| // 2018-02-06: Inputs: Added mapping for ImGuiKey_Space. |
| // 2018-01-20: Inputs: Added Horizontal Mouse Wheel support. |
| // 2018-01-18: Inputs: Added mapping for ImGuiKey_Insert. |
| // 2017-08-25: Inputs: MousePos set to -FLT_MAX,-FLT_MAX when mouse is unavailable/missing (instead of -1,-1). |
| // 2017-05-15: Vulkan: Fix scissor offset being negative. Fix new Vulkan validation warnings. Set required depth member for buffer image copy. |
| // 2016-11-13: Vulkan: Fix validation layer warnings and errors and redeclare gl_PerVertex. |
| // 2016-10-18: Vulkan: Add location decorators & change to use structs as in/out in glsl, update embedded spv (produced with glslangValidator -x). Null the released resources. |
| // 2016-10-15: Misc: Added a void* user_data parameter to Clipboard function handlers. |
| // 2016-08-27: Vulkan: Fix Vulkan example for use when a depth buffer is active. |
| |
| #include "imgui.h" |
| #include "imgui_impl_glfw_vulkan.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 |
| |
| // GLFW data |
| static GLFWwindow* g_Window = NULL; |
| static double g_Time = 0.0f; |
| static bool g_MouseJustPressed[3] = { false, false, false }; |
| static GLFWcursor* g_MouseCursors[ImGuiMouseCursor_COUNT] = { 0 }; |
| |
| // 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 VkDeviceSize 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 VkDeviceSize g_VertexBufferSize[IMGUI_VK_QUEUED_FRAMES] = {}; |
| static VkDeviceSize 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 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 |
| }; |
| |
| 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 |
| }; |
| |
| 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_RenderDrawData(ImDrawData* draw_data) |
| { |
| VkResult err; |
| ImGuiIO& io = ImGui::GetIO(); |
| if (draw_data->TotalVtxCount == 0) |
| return; |
| |
| // 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); |
| VkDeviceSize 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); |
| VkDeviceSize 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, (void**)(&vtx_dst)); |
| ImGui_ImplGlfwVulkan_VkResult(err); |
| err = vkMapMemory(g_Device, g_IndexBufferMemory[g_FrameIndex], 0, index_size, 0, (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.Data, cmd_list->VtxBuffer.Size * sizeof(ImDrawVert)); |
| memcpy(idx_dst, cmd_list->IdxBuffer.Data, 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 = VK_WHOLE_SIZE; |
| range[1].sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE; |
| range[1].memory = g_IndexBufferMemory[g_FrameIndex]; |
| range[1].size = VK_WHOLE_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 = (int32_t)(pcmd->ClipRect.x) > 0 ? (int32_t)(pcmd->ClipRect.x) : 0; |
| scissor.offset.y = (int32_t)(pcmd->ClipRect.y) > 0 ? (int32_t)(pcmd->ClipRect.y) : 0; |
| scissor.extent.width = (uint32_t)(pcmd->ClipRect.z - pcmd->ClipRect.x); |
| scissor.extent.height = (uint32_t)(pcmd->ClipRect.w - pcmd->ClipRect.y + 1); // FIXME: Why +1 here? |
| 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(void* user_data) |
| { |
| return glfwGetClipboardString((GLFWwindow*)user_data); |
| } |
| |
| static void ImGui_ImplGlfwVulkan_SetClipboardText(void* user_data, const char* text) |
| { |
| glfwSetClipboardString((GLFWwindow*)user_data, text); |
| } |
| |
| void ImGui_ImplGlfw_MouseButtonCallback(GLFWwindow*, int button, int action, int /*mods*/) |
| { |
| if (action == GLFW_PRESS && button >= 0 && button < 3) |
| g_MouseJustPressed[button] = true; |
| } |
| |
| void ImGui_ImplGlfw_ScrollCallback(GLFWwindow*, double xoffset, double yoffset) |
| { |
| ImGuiIO& io = ImGui::GetIO(); |
| io.MouseWheelH += (float)xoffset; |
| io.MouseWheel += (float)yoffset; |
| } |
| |
| void ImGui_ImplGlfw_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]; |
| io.KeySuper = io.KeysDown[GLFW_KEY_LEFT_SUPER] || io.KeysDown[GLFW_KEY_RIGHT_SUPER]; |
| } |
| |
| void ImGui_ImplGlfw_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: |
| { |
| 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 = NULL; |
| err = vkMapMemory(g_Device, g_UploadBufferMemory, 0, upload_size, 0, (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; |
| region.imageExtent.depth = 1; |
| 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); |
| } |
| |
| // Store our identifier |
| io.Fonts->TexID = (void *)(intptr_t)g_FontImage; |
| |
| 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 = sizeof(__glsl_shader_vert_spv); |
| 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 = sizeof(__glsl_shader_frag_spv); |
| 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; |
| info.maxAnisotropy = 1.0f; |
| 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[1] = {}; |
| push_constants[0].stageFlags = VK_SHADER_STAGE_VERTEX_BIT; |
| push_constants[0].offset = sizeof(float) * 0; |
| push_constants[0].size = sizeof(float) * 4; |
| 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 = 1; |
| 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; |
| raster_info.lineWidth = 1.0f; |
| |
| 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; |
| |
| VkPipelineDepthStencilStateCreateInfo depth_info = {}; |
| depth_info.sType = VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO; |
| |
| 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.sType = VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO; |
| 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.pDepthStencilState = &depth_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); g_VertexBuffer[i] = VK_NULL_HANDLE; } |
| if (g_VertexBufferMemory[i]) { vkFreeMemory(g_Device, g_VertexBufferMemory[i], g_Allocator); g_VertexBufferMemory[i] = VK_NULL_HANDLE; } |
| if (g_IndexBuffer[i]) { vkDestroyBuffer(g_Device, g_IndexBuffer[i], g_Allocator); g_IndexBuffer[i] = VK_NULL_HANDLE; } |
| if (g_IndexBufferMemory[i]) { vkFreeMemory(g_Device, g_IndexBufferMemory[i], g_Allocator); g_IndexBufferMemory[i] = VK_NULL_HANDLE; } |
| } |
| |
| if (g_FontView) { vkDestroyImageView(g_Device, g_FontView, g_Allocator); g_FontView = VK_NULL_HANDLE; } |
| if (g_FontImage) { vkDestroyImage(g_Device, g_FontImage, g_Allocator); g_FontImage = VK_NULL_HANDLE; } |
| if (g_FontMemory) { vkFreeMemory(g_Device, g_FontMemory, g_Allocator); g_FontMemory = VK_NULL_HANDLE; } |
| if (g_FontSampler) { vkDestroySampler(g_Device, g_FontSampler, g_Allocator); g_FontSampler = VK_NULL_HANDLE; } |
| if (g_DescriptorSetLayout) { vkDestroyDescriptorSetLayout(g_Device, g_DescriptorSetLayout, g_Allocator); g_DescriptorSetLayout = VK_NULL_HANDLE; } |
| if (g_PipelineLayout) { vkDestroyPipelineLayout(g_Device, g_PipelineLayout, g_Allocator); g_PipelineLayout = VK_NULL_HANDLE; } |
| if (g_Pipeline) { vkDestroyPipeline(g_Device, g_Pipeline, g_Allocator); g_Pipeline = VK_NULL_HANDLE; } |
| } |
| |
| static void ImGui_ImplGlfw_InstallCallbacks(GLFWwindow* window) |
| { |
| glfwSetMouseButtonCallback(window, ImGui_ImplGlfw_MouseButtonCallback); |
| glfwSetScrollCallback(window, ImGui_ImplGlfw_ScrollCallback); |
| glfwSetKeyCallback(window, ImGui_ImplGlfw_KeyCallback); |
| glfwSetCharCallback(window, ImGui_ImplGlfw_CharCallback); |
| } |
| |
| 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; |
| |
| // Setup back-end capabilities flags |
| ImGuiIO& io = ImGui::GetIO(); |
| io.BackendFlags |= ImGuiBackendFlags_HasMouseCursors; // We can honor GetMouseCursor() values (optional) |
| |
| // Keyboard mapping. ImGui will use those indices to peek into the io.KeysDown[] array. |
| io.KeyMap[ImGuiKey_Tab] = GLFW_KEY_TAB; |
| 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_Insert] = GLFW_KEY_INSERT; |
| io.KeyMap[ImGuiKey_Delete] = GLFW_KEY_DELETE; |
| io.KeyMap[ImGuiKey_Backspace] = GLFW_KEY_BACKSPACE; |
| io.KeyMap[ImGuiKey_Space] = GLFW_KEY_SPACE; |
| 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.SetClipboardTextFn = ImGui_ImplGlfwVulkan_SetClipboardText; |
| io.GetClipboardTextFn = ImGui_ImplGlfwVulkan_GetClipboardText; |
| io.ClipboardUserData = g_Window; |
| #ifdef _WIN32 |
| io.ImeWindowHandle = glfwGetWin32Window(g_Window); |
| #endif |
| |
| // Load cursors |
| // FIXME: GLFW doesn't expose suitable cursors for ResizeAll, ResizeNESW, ResizeNWSE. We revert to arrow cursor for those. |
| g_MouseCursors[ImGuiMouseCursor_Arrow] = glfwCreateStandardCursor(GLFW_ARROW_CURSOR); |
| g_MouseCursors[ImGuiMouseCursor_TextInput] = glfwCreateStandardCursor(GLFW_IBEAM_CURSOR); |
| g_MouseCursors[ImGuiMouseCursor_ResizeAll] = glfwCreateStandardCursor(GLFW_ARROW_CURSOR); |
| g_MouseCursors[ImGuiMouseCursor_ResizeNS] = glfwCreateStandardCursor(GLFW_VRESIZE_CURSOR); |
| g_MouseCursors[ImGuiMouseCursor_ResizeEW] = glfwCreateStandardCursor(GLFW_HRESIZE_CURSOR); |
| g_MouseCursors[ImGuiMouseCursor_ResizeNESW] = glfwCreateStandardCursor(GLFW_ARROW_CURSOR); |
| g_MouseCursors[ImGuiMouseCursor_ResizeNWSE] = glfwCreateStandardCursor(GLFW_ARROW_CURSOR); |
| |
| if (install_callbacks) |
| ImGui_ImplGlfw_InstallCallbacks(window); |
| |
| ImGui_ImplGlfwVulkan_CreateDeviceObjects(); |
| |
| return true; |
| } |
| |
| void ImGui_ImplGlfwVulkan_Shutdown() |
| { |
| // Destroy GLFW mouse cursors |
| for (ImGuiMouseCursor cursor_n = 0; cursor_n < ImGuiMouseCursor_COUNT; cursor_n++) |
| glfwDestroyCursor(g_MouseCursors[cursor_n]); |
| memset(g_MouseCursors, 0, sizeof(g_MouseCursors)); |
| |
| // Destroy Vulkan objects |
| ImGui_ImplGlfwVulkan_InvalidateDeviceObjects(); |
| } |
| |
| 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); |
| } |
| else |
| { |
| io.MousePos = ImVec2(-FLT_MAX,-FLT_MAX); |
| } |
| |
| for (int i = 0; i < 3; i++) |
| { |
| io.MouseDown[i] = g_MouseJustPressed[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_MouseJustPressed[i] = false; |
| } |
| |
| // Update OS/hardware mouse cursor if imgui isn't drawing a software cursor |
| if ((io.ConfigFlags & ImGuiConfigFlags_NoMouseCursorChange) == 0) |
| { |
| ImGuiMouseCursor cursor = ImGui::GetMouseCursor(); |
| if (io.MouseDrawCursor || cursor == ImGuiMouseCursor_None) |
| { |
| glfwSetInputMode(g_Window, GLFW_CURSOR, GLFW_CURSOR_HIDDEN); |
| } |
| else |
| { |
| glfwSetCursor(g_Window, g_MouseCursors[cursor] ? g_MouseCursors[cursor] : g_MouseCursors[ImGuiMouseCursor_Arrow]); |
| glfwSetInputMode(g_Window, GLFW_CURSOR, GLFW_CURSOR_NORMAL); |
| } |
| } |
| |
| // Start the frame. This call will update the io.WantCaptureMouse, io.WantCaptureKeyboard flag that you can use to dispatch inputs (or not) to your application. |
| ImGui::NewFrame(); |
| } |
| |
| void ImGui_ImplGlfwVulkan_Render(VkCommandBuffer command_buffer) |
| { |
| g_CommandBuffer = command_buffer; |
| ImGui::Render(); |
| ImGui_ImplGlfwVulkan_RenderDrawData(ImGui::GetDrawData()); |
| g_CommandBuffer = VK_NULL_HANDLE; |
| g_FrameIndex = (g_FrameIndex + 1) % IMGUI_VK_QUEUED_FRAMES; |
| } |
