iris/kaizen
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

Imgui and ParallelRDP stuff

Browse Source
This commit is contained in:
CocoSimone
2022-08-05 13:58:35 +02:00
parent 23ebc1edc1
commit d580dc6cdd
14 changed files with 162 additions and 319 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
external/parallel-rdp/CMakeLists.txt vendored
View File

@@ -58,6 +58,10 @@ target_include_directories(parallel-rdp PUBLIC
../../src/cores
parallel-rdp-standalone
..
../../src/frontend
../imgui
../imgui/imgui
../imgui/imgui/backends
)
if(WIN32)

16
external/parallel-rdp/ParallelRDPWrapper.cpp vendored
View File

@@ -4,6 +4,8 @@
#include <rdp_device.hpp>
#include <util.hpp>
#include <SDL2/SDL_vulkan.h>
#include <imgui/backends/imgui_impl_vulkan.h>
#include <imgui/Window.hpp>
using namespace Vulkan;
using namespace RDP;
@@ -196,7 +198,7 @@ void DrawFullscreenTexturedQuad(Util::IntrusivePtr<Image> image, Util::Intrusive
cmd->draw(3, 1);
}
void UpdateScreen(Util::IntrusivePtr<Image> image) {
void UpdateScreen(Window& imguiWindow, Util::IntrusivePtr<Image> image) {
wsi->begin_frame();
if (!image) {
@@ -225,13 +227,15 @@ void UpdateScreen(Util::IntrusivePtr<Image> image) {
cmd->begin_render_pass(wsi->get_device().get_swapchain_render_pass(SwapchainRenderPass::ColorOnly));
DrawFullscreenTexturedQuad(image, cmd);
//ImGui_ImplVulkan_RenderDrawData(imgui_frame(), cmd->get_command_buffer());
ImGui_ImplVulkan_RenderDrawData(imguiWindow.Present(), cmd->get_command_buffer());
cmd->end_render_pass();
wsi->get_device().submit(cmd);
wsi->end_frame();
}
void UpdateScreenParallelRdp(const n64::VI& vi) {
void UpdateScreenParallelRdp(Window& imguiWindow, const n64::VI& vi) {
command_processor->set_vi_register(VIRegister::Control, vi.status.raw);
command_processor->set_vi_register(VIRegister::Origin, vi.origin);
command_processor->set_vi_register(VIRegister::Width, vi.width);
@@ -257,12 +261,12 @@ void UpdateScreenParallelRdp(const n64::VI& vi) {
opts.downscale_steps = true;
opts.crop_overscan_pixels = true;
Util::IntrusivePtr<Image> image = command_processor->scanout(opts);
UpdateScreen(image);
UpdateScreen(imguiWindow, image);
command_processor->begin_frame_context();
}
void UpdateScreenParallelRdpNoGame() {
UpdateScreen(static_cast<Util::IntrusivePtr<Image>>(nullptr));
void UpdateScreenParallelRdpNoGame(Window& imguiWindow) {
UpdateScreen(imguiWindow, static_cast<Util::IntrusivePtr<Image>>(nullptr));
}
void ParallelRdpEnqueueCommand(int command_length, u32* buffer) {

6
external/parallel-rdp/ParallelRDPWrapper.hpp vendored
View File

@@ -4,6 +4,8 @@
#include <SDL2/SDL.h>
#include <n64/core/mmio/VI.hpp>
struct Window;
static SDL_Window* window;
static u32 windowID;
VkQueue GetGraphicsQueue();
@@ -15,9 +17,9 @@ VkFormat GetVkFormat();
VkCommandBuffer GetVkCommandBuffer();
void SubmitRequestedVkCommandBuffer();
void LoadParallelRDP(const u8* rdram);
void UpdateScreenParallelRdp(const n64::VI& vi);
void UpdateScreenParallelRdp(Window& imguiWindow, const n64::VI& vi);
void ParallelRdpEnqueueCommand(int command_length, u32* buffer);
void ParallelRdpOnFullSync();
void UpdateScreenParallelRdpNoGame();
void UpdateScreenParallelRdpNoGame(Window& imguiWindow);
bool IsFramerateUnlocked();
void SetFramerateUnlocked(bool unlocked);

5
src/cores/BaseCore.hpp
View File

@@ -1,12 +1,17 @@
#pragma once
#include <common.hpp>
enum class System {
GameBoy, Nintendo64
};
struct BaseCore {
virtual ~BaseCore() = default;
virtual void Run() {};
virtual void PollInputs(u32) {};
[[nodiscard]] bool& ShouldQuit() { return quit; }
bool initialized = false;
System system;
private:
bool quit = false;
};

4
src/cores/n64/CMakeLists.txt
View File

@@ -12,4 +12,6 @@ target_link_libraries(n64 PUBLIC n64-core)
target_include_directories(n64 PUBLIC
.
..
../../../external)
../../../external
../../../external/imgui/imgui
../../../external/imgui/imgui/backends)

2
src/cores/n64/Core.cpp
View File

@@ -22,8 +22,6 @@ void Core::Run() {
if((mmio.vi.current & 0x3FE) == mmio.vi.intr) {
InterruptRaise(mmio.mi, cpu.regs, Interrupt::VI);
}
UpdateScreenParallelRdp(mmio.vi);
}
}

1
src/cores/n64/Core.hpp
View File

@@ -10,6 +10,7 @@ struct Core : BaseCore {
explicit Core(const std::string&);
void Run() override;
void PollInputs(u32) override;
VI& GetVI() { return mem.mmio.vi; }
private:
Mem mem;
Cpu cpu;

2
src/cores/n64/core/CMakeLists.txt
View File

@@ -42,6 +42,8 @@ target_include_directories(n64-core PUBLIC
..
../..
../../../../external
../../../external/imgui/imgui
../../../external/imgui/imgui/backends
mmio)
target_link_libraries(n64-core PUBLIC n64-cpu parallel-rdp)

6
src/frontend/App.cpp
View File

@@ -1,4 +1,5 @@
#include <App.hpp>
#include <parallel-rdp/ParallelRDPWrapper.hpp>
void App::Run() {
// Main loop
@@ -15,6 +16,9 @@ void App::Run() {
if(core->initialized)
core->Run();
window.Update(core);
if(core->system == System::Nintendo64) {
if(core->initialized) UpdateScreenParallelRdp(window, dynamic_cast<n64::Core*>(core.get())->GetVI());
else UpdateScreenParallelRdpNoGame(window);
}
}
}

4
src/frontend/App.hpp
View File

@@ -3,9 +3,9 @@
#include <imgui/Window.hpp>
struct App {
App() = default;
App() : window(core) {};
void Run();
private:
std::unique_ptr<BaseCore> core;
std::shared_ptr<BaseCore> core;
Window window;
};

10
src/frontend/CMakeLists.txt
View File

@@ -7,5 +7,13 @@ add_library(frontend
App.hpp
App.cpp)
target_include_directories(frontend PUBLIC . ../../external ../cores ../cores/n64)
target_include_directories(frontend PUBLIC
.
../../external
../../external/parallel-rdp
../../external/parallel-rdp/parallel-rdp-standalone/vulkan
../../external/parallel-rdp/parallel-rdp-standalone/util
../../external/parallel-rdp/parallel-rdp-standalone/volk
../cores
../cores/n64)
target_link_libraries(frontend PUBLIC frontend-imgui)

8
src/frontend/imgui/CMakeLists.txt
View File

@@ -8,5 +8,11 @@ add_library(frontend-imgui
Window.cpp
Window.hpp)
target_include_directories(frontend-imgui PUBLIC . ../../cores ../../../external)
target_include_directories(frontend-imgui PUBLIC
.
../../cores
../../../external
../../../external/parallel-rdp/parallel-rdp-standalone/vulkan
../../../external/parallel-rdp/parallel-rdp-standalone/util
../../../external/parallel-rdp/parallel-rdp-standalone/volk)
target_link_libraries(frontend-imgui PUBLIC imgui nfd)

400
src/frontend/imgui/Window.cpp
View File

@@ -2,16 +2,12 @@
#include <util.hpp>
#include <nfd.hpp>
#include <n64/Core.hpp>
#include <parallel-rdp/parallel-rdp-standalone/volk/volk.h>
#include <parallel-rdp/ParallelRDPWrapper.hpp>
#include <utility>
Window::Window() {
Window::Window(std::shared_ptr<BaseCore> core) : core(std::move(core)) {
InitSDL();
u32 extCount;
SDL_Vulkan_GetInstanceExtensions(window, &extCount, nullptr);
std::vector<const char*> extensions;
extensions.resize(extCount);
SDL_Vulkan_GetInstanceExtensions(window, &extCount, extensions.data());
InitVulkan(extensions, extCount);
InitVulkanWindow();
InitImgui();
}
@@ -24,6 +20,10 @@ void Window::InitSDL() {
1280, 720,
SDL_WINDOW_VULKAN | SDL_WINDOW_RESIZABLE | SDL_WINDOW_ALLOW_HIGHDPI
);
if(volkInitialize() != VK_SUCCESS) {
util::panic("Failed to load Volk!");
}
}
static void check_vk_result(VkResult err) {
@@ -32,88 +32,32 @@ static void check_vk_result(VkResult err) {
}
}
void Window::InitVulkan(const std::vector<const char*>& extensions, u32 extCount) {
VkResult err{};
void Window::InitImgui() {
VkResult err;
IMGUI_CHECKVERSION();
ImGui::CreateContext();
ImGuiIO& io = ImGui::GetIO();
(void)io;
//io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls
//io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls
// Setup Dear ImGui style
ImGui::StyleColorsDark();
//ImGui::StyleColorsLight();
instance = GetVkInstance();
physicalDevice = GetVkPhysicalDevice();
device = GetVkDevice();
queueFamily = GetVkGraphicsQueueFamily();
queue = GetGraphicsQueue();
pipelineCache = nullptr;
descriptorPool = nullptr;
allocator = nullptr;
minImageCount = 2;
// Create Vulkan Instance
{
VkInstanceCreateInfo create_info = {};
create_info.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO;
create_info.enabledExtensionCount = extCount;
create_info.ppEnabledExtensionNames = extensions.data();
err = vkCreateInstance(&create_info, nullptr, &instance);
check_vk_result(err);
}
// Select GPU
{
uint32_t gpu_count;
err = vkEnumeratePhysicalDevices(instance, &gpu_count, nullptr);
check_vk_result(err);
IM_ASSERT(gpu_count > 0);
auto* gpus = (VkPhysicalDevice*)malloc(sizeof(VkPhysicalDevice) * gpu_count);
err = vkEnumeratePhysicalDevices(instance, &gpu_count, gpus);
check_vk_result(err);
// If a number >1 of GPUs got reported, find discrete GPU if present, or use first one available. This covers
// most common cases (multi-gpu/integrated+dedicated graphics). Handling more complicated setups (multiple
// dedicated GPUs) is out of scope of this sample.
int use_gpu = 0;
for (int i = 0; i < (int)gpu_count; i++) {
VkPhysicalDeviceProperties properties;
vkGetPhysicalDeviceProperties(gpus[i], &properties);
if (properties.deviceType == VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU) {
use_gpu = i;
break;
}
}
physicalDevice = gpus[use_gpu];
free(gpus);
}
// Select graphics queue family
{
uint32_t count;
vkGetPhysicalDeviceQueueFamilyProperties(physicalDevice, &count, nullptr);
auto* queues = (VkQueueFamilyProperties*)malloc(sizeof(VkQueueFamilyProperties) * count);
vkGetPhysicalDeviceQueueFamilyProperties(physicalDevice, &count, queues);
for (uint32_t i = 0; i < count; i++) {
if (queues[i].queueFlags & VK_QUEUE_GRAPHICS_BIT) {
queueFamily = i;
break;
}
}
free(queues);
IM_ASSERT(queueFamily != (uint32_t)-1);
}
// Create Logical Device (with 1 queue)
{
int device_extension_count = 1;
const char* device_extensions[] = { "VK_KHR_swapchain" };
const float queue_priority[] = { 1.0f };
VkDeviceQueueCreateInfo queue_info[1] = {};
queue_info[0].sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
queue_info[0].queueFamilyIndex = queueFamily;
queue_info[0].queueCount = 1;
queue_info[0].pQueuePriorities = queue_priority;
VkDeviceCreateInfo create_info = {};
create_info.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO;
create_info.queueCreateInfoCount = sizeof(queue_info) / sizeof(queue_info[0]);
create_info.pQueueCreateInfos = queue_info;
create_info.enabledExtensionCount = device_extension_count;
create_info.ppEnabledExtensionNames = device_extensions;
err = vkCreateDevice(physicalDevice, &create_info, nullptr, &device);
check_vk_result(err);
vkGetDeviceQueue(device, queueFamily, 0, &queue);
}
// Create Descriptor Pool
{
VkDescriptorPoolSize pool_sizes[] = {
VkDescriptorPoolSize poolSizes[] = {
{ VK_DESCRIPTOR_TYPE_SAMPLER, 1000 },
{ VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1000 },
{ VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE, 1000 },
@@ -126,80 +70,71 @@ void Window::InitVulkan(const std::vector<const char*>& extensions, u32 extCount
{ VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC, 1000 },
{ VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT, 1000 }
};
VkDescriptorPoolCreateInfo pool_info = {};
pool_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO;
pool_info.flags = VK_DESCRIPTOR_POOL_CREATE_FREE_DESCRIPTOR_SET_BIT;
pool_info.maxSets = 1000 * IM_ARRAYSIZE(pool_sizes);
pool_info.poolSizeCount = (uint32_t)IM_ARRAYSIZE(pool_sizes);
pool_info.pPoolSizes = pool_sizes;
err = vkCreateDescriptorPool(device, &pool_info, nullptr, &descriptorPool);
VkDescriptorPoolCreateInfo poolInfo{};
poolInfo.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO;
poolInfo.flags = VK_DESCRIPTOR_POOL_CREATE_FREE_DESCRIPTOR_SET_BIT;
poolInfo.maxSets = 1000 * IM_ARRAYSIZE(poolSizes);
poolInfo.poolSizeCount = (uint32_t)IM_ARRAYSIZE(poolSizes);
poolInfo.pPoolSizes = poolSizes;
err = vkCreateDescriptorPool(device, &poolInfo, allocator, &descriptorPool);
check_vk_result(err);
}
}
void Window::InitVulkanWindow() {
VkSurfaceKHR surface;
if (!SDL_Vulkan_CreateSurface(window, instance, &surface)) {
util::panic("Failed to create Vulkan surface.");
VkRenderPass renderPass;
{
VkAttachmentDescription attachment = {};
attachment.format = GetVkFormat();
attachment.samples = VK_SAMPLE_COUNT_1_BIT;
attachment.loadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
attachment.storeOp = VK_ATTACHMENT_STORE_OP_STORE;
attachment.stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
attachment.stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
attachment.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
attachment.finalLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR;
VkAttachmentReference colorAttachment = {};
colorAttachment.attachment = 0;
colorAttachment.layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
VkSubpassDescription subpass = {};
subpass.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS;
subpass.colorAttachmentCount = 1;
subpass.pColorAttachments = &colorAttachment;
VkSubpassDependency dependency = {};
dependency.srcSubpass = VK_SUBPASS_EXTERNAL;
dependency.dstSubpass = 0;
dependency.srcStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
dependency.dstStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
dependency.srcAccessMask = 0;
dependency.dstAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT;
VkRenderPassCreateInfo info = {};
info.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO;
info.attachmentCount = 1;
info.pAttachments = &attachment;
info.subpassCount = 1;
info.pSubpasses = &subpass;
info.dependencyCount = 1;
info.pDependencies = &dependency;
err = vkCreateRenderPass(device, &info, allocator, &renderPass);
check_vk_result(err);
}
// Create Framebuffers
int w, h;
SDL_GetWindowSize(window, &w, &h);
windowData.Surface = surface;
// Check for WSI support
VkBool32 res;
vkGetPhysicalDeviceSurfaceSupportKHR(physicalDevice, queueFamily, windowData.Surface, &res);
if (res != VK_TRUE) {
fprintf(stderr, "Error no WSI support on physical device 0\n");
exit(-1);
}
// Select Surface Format
const VkFormat requestSurfaceImageFormat[] = { VK_FORMAT_B8G8R8A8_UNORM, VK_FORMAT_R8G8B8A8_UNORM, VK_FORMAT_B8G8R8_UNORM, VK_FORMAT_R8G8B8_UNORM };
const VkColorSpaceKHR requestSurfaceColorSpace = VK_COLORSPACE_SRGB_NONLINEAR_KHR;
windowData.SurfaceFormat = ImGui_ImplVulkanH_SelectSurfaceFormat(physicalDevice, windowData.Surface, requestSurfaceImageFormat, (size_t)IM_ARRAYSIZE(requestSurfaceImageFormat), requestSurfaceColorSpace);
// Select Present Mode
VkPresentModeKHR present_modes[] = { VK_PRESENT_MODE_MAILBOX_KHR, VK_PRESENT_MODE_IMMEDIATE_KHR, VK_PRESENT_MODE_FIFO_KHR };
windowData.PresentMode = ImGui_ImplVulkanH_SelectPresentMode(physicalDevice, windowData.Surface, &present_modes[0], IM_ARRAYSIZE(present_modes));
IM_ASSERT(minImageCount >= 2);
ImGui_ImplVulkanH_CreateOrResizeWindow(instance, physicalDevice, device, &windowData, queueFamily, nullptr, w, h, minImageCount);
}
void Window::InitImgui() {
VkResult err;
IMGUI_CHECKVERSION();
ImGui::CreateContext();
ImGuiIO& io = ImGui::GetIO();
(void)io;
//io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls
//io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls
// Setup Dear ImGui style
ImGui::StyleColorsDark();
//ImGui::StyleColorsLight();
// Setup Platform/Renderer backends
ImGui_ImplSDL2_InitForVulkan(window);
ImGui_ImplVulkan_InitInfo init_info = {};
init_info.Instance = instance;
init_info.PhysicalDevice = physicalDevice;
init_info.Device = device;
init_info.QueueFamily = queueFamily;
init_info.Queue = queue;
init_info.PipelineCache = pipelineCache;
init_info.DescriptorPool = descriptorPool;
init_info.Subpass = 0;
init_info.MinImageCount = minImageCount;
init_info.ImageCount = windowData.ImageCount;
init_info.MSAASamples = VK_SAMPLE_COUNT_1_BIT;
init_info.Allocator = nullptr;
init_info.CheckVkResultFn = check_vk_result;
ImGui_ImplVulkan_Init(&init_info, windowData.RenderPass);
ImGui_ImplVulkan_InitInfo initInfo = {};
initInfo.Instance = instance;
initInfo.PhysicalDevice = physicalDevice;
initInfo.Device = device;
initInfo.QueueFamily = queueFamily;
initInfo.Queue = queue;
initInfo.PipelineCache = pipelineCache;
initInfo.DescriptorPool = descriptorPool;
initInfo.Allocator = allocator;
initInfo.MinImageCount = minImageCount;
initInfo.ImageCount = 2;
initInfo.MSAASamples = VK_SAMPLE_COUNT_1_BIT;
initInfo.CheckVkResultFn = check_vk_result;
ImGui_ImplVulkan_Init(&initInfo, renderPass);
// Load Fonts
// - If no fonts are loaded, dear imgui will use the default font. You can also load multiple fonts and use ImGui::PushFont()/PopFont() to select them.
@@ -218,32 +153,9 @@ void Window::InitImgui() {
// Upload Fonts
{
// Use any command queue
VkCommandPool command_pool = windowData.Frames[windowData.FrameIndex].CommandPool;
VkCommandBuffer command_buffer = windowData.Frames[windowData.FrameIndex].CommandBuffer;
err = vkResetCommandPool(device, command_pool, 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(command_buffer, &begin_info);
check_vk_result(err);
ImGui_ImplVulkan_CreateFontsTexture(command_buffer);
VkSubmitInfo end_info = {};
end_info.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
end_info.commandBufferCount = 1;
end_info.pCommandBuffers = &command_buffer;
err = vkEndCommandBuffer(command_buffer);
check_vk_result(err);
err = vkQueueSubmit(queue, 1, &end_info, VK_NULL_HANDLE);
check_vk_result(err);
err = vkDeviceWaitIdle(device);
check_vk_result(err);
ImGui_ImplVulkan_DestroyFontUploadObjects();
VkCommandBuffer commandBuffer = GetVkCommandBuffer();
ImGui_ImplVulkan_CreateFontsTexture(commandBuffer);
SubmitRequestedVkCommandBuffer();
}
}
@@ -253,115 +165,23 @@ Window::~Window() {
ImGui_ImplVulkan_Shutdown();
ImGui_ImplSDL2_Shutdown();
ImGui::DestroyContext();
ImGui_ImplVulkanH_DestroyWindow(instance, device, &windowData, nullptr);
vkDestroyDescriptorPool(device, descriptorPool, nullptr);
vkDestroyDevice(device, nullptr);
vkDestroyInstance(instance, nullptr);
}
void Window::Render(ImDrawData* drawData) {
VkResult err;
VkSemaphore image_acquired_semaphore = windowData.FrameSemaphores[windowData.SemaphoreIndex].ImageAcquiredSemaphore;
VkSemaphore render_complete_semaphore = windowData.FrameSemaphores[windowData.SemaphoreIndex].RenderCompleteSemaphore;
err = vkAcquireNextImageKHR(device, windowData.Swapchain, UINT64_MAX, image_acquired_semaphore, VK_NULL_HANDLE, &windowData.FrameIndex);
if (err == VK_ERROR_OUT_OF_DATE_KHR || err == VK_SUBOPTIMAL_KHR) {
rebuildSwapchain = true;
return;
}
check_vk_result(err);
ImGui_ImplVulkanH_Frame* fd = &windowData.Frames[windowData.FrameIndex];
{
err = vkWaitForFences(device, 1, &fd->Fence, VK_TRUE, UINT64_MAX); // wait indefinitely instead of periodically checking
check_vk_result(err);
err = vkResetFences(device, 1, &fd->Fence);
check_vk_result(err);
}
{
err = vkResetCommandPool(device, fd->CommandPool, 0);
check_vk_result(err);
VkCommandBufferBeginInfo info = {};
info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
info.flags |= VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT;
err = vkBeginCommandBuffer(fd->CommandBuffer, &info);
check_vk_result(err);
}
{
VkRenderPassBeginInfo info = {};
info.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO;
info.renderPass = windowData.RenderPass;
info.framebuffer = fd->Framebuffer;
info.renderArea.extent.width = windowData.Width;
info.renderArea.extent.height = windowData.Height;
info.clearValueCount = 1;
info.pClearValues = &windowData.ClearValue;
vkCmdBeginRenderPass(fd->CommandBuffer, &info, VK_SUBPASS_CONTENTS_INLINE);
}
// Record dear imgui primitives into command buffer
ImGui_ImplVulkan_RenderDrawData(drawData, fd->CommandBuffer);
// Submit command buffer
vkCmdEndRenderPass(fd->CommandBuffer);
{
VkPipelineStageFlags wait_stage = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
VkSubmitInfo info = {};
info.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
info.waitSemaphoreCount = 1;
info.pWaitSemaphores = &image_acquired_semaphore;
info.pWaitDstStageMask = &wait_stage;
info.commandBufferCount = 1;
info.pCommandBuffers = &fd->CommandBuffer;
info.signalSemaphoreCount = 1;
info.pSignalSemaphores = &render_complete_semaphore;
err = vkEndCommandBuffer(fd->CommandBuffer);
check_vk_result(err);
err = vkQueueSubmit(queue, 1, &info, fd->Fence);
check_vk_result(err);
}
}
void Window::Present() {
if (rebuildSwapchain) {
return;
}
VkSemaphore render_complete_semaphore = windowData.FrameSemaphores[windowData.SemaphoreIndex].RenderCompleteSemaphore;
VkPresentInfoKHR info = {};
info.sType = VK_STRUCTURE_TYPE_PRESENT_INFO_KHR;
info.waitSemaphoreCount = 1;
info.pWaitSemaphores = &render_complete_semaphore;
info.swapchainCount = 1;
info.pSwapchains = &windowData.Swapchain;
info.pImageIndices = &windowData.FrameIndex;
VkResult err = vkQueuePresentKHR(queue, &info);
if (err == VK_ERROR_OUT_OF_DATE_KHR || err == VK_SUBOPTIMAL_KHR) {
rebuildSwapchain = true;
return;
}
check_vk_result(err);
windowData.SemaphoreIndex = (windowData.SemaphoreIndex + 1) % windowData.ImageCount;
}
void Window::Update(std::unique_ptr<BaseCore>& core) {
if (rebuildSwapchain) {
int width, height;
SDL_GetWindowSize(window, &width, &height);
if (width > 0 && height > 0) {
ImGui_ImplVulkan_SetMinImageCount(minImageCount);
ImGui_ImplVulkanH_CreateOrResizeWindow(instance, physicalDevice, device, &windowData, queueFamily, nullptr, width, height, minImageCount);
windowData.FrameIndex = 0;
rebuildSwapchain = false;
}
}
// Start the Dear ImGui frame
ImDrawData* Window::Present() {
ImGui_ImplVulkan_NewFrame();
ImGui_ImplSDL2_NewFrame();
ImGui_ImplSDL2_NewFrame(window);
ImGui::NewFrame();
Render();
ImGui::Render();
return ImGui::GetDrawData();
}
void Window::Render() {
ImGui::BeginMainMenuBar();
if(ImGui::BeginMenu("File")) {
if(ImGui::BeginMenu("Open")) {
@@ -370,8 +190,9 @@ void Window::Update(std::unique_ptr<BaseCore>& core) {
const nfdu8filteritem_t filter {"Nintendo 64 roms", "n64,z64,v64,N64,Z64,V64"};
nfdresult_t result = NFD_OpenDialog(&outpath, &filter, 1, nullptr);
if(result == NFD_OKAY) {
core = std::make_unique<n64::Core>(outpath);
core = std::make_shared<n64::Core>(outpath);
core->initialized = true;
core->system = System::Nintendo64;
NFD_FreePath(outpath);
}
}
@@ -390,17 +211,4 @@ void Window::Update(std::unique_ptr<BaseCore>& core) {
ImGui::EndMenu();
}
ImGui::EndMainMenuBar();
// Rendering
ImGui::Render();
ImDrawData* draw_data = ImGui::GetDrawData();
const bool is_minimized = (draw_data->DisplaySize.x <= 0.0f || draw_data->DisplaySize.y <= 0.0f);
if (!is_minimized) {
windowData.ClearValue.color.float32[0] = 0;
windowData.ClearValue.color.float32[1] = 0;
windowData.ClearValue.color.float32[2] = 0;
windowData.ClearValue.color.float32[3] = 0;
Render(draw_data);
Present();
}
}

13
src/frontend/imgui/Window.hpp
View File

@@ -1,6 +1,7 @@
#pragma once
#include <imgui.h>
#include <imgui_impl_sdl.h>
#define VK_NO_PROTOTYPES
#include <imgui_impl_vulkan.h>
#include <SDL2/SDL.h>
#include <SDL2/SDL_vulkan.h>
@@ -9,9 +10,9 @@
#include <vector>
struct Window {
Window();
explicit Window(std::shared_ptr<BaseCore> core);
~Window();
void Update(std::unique_ptr<BaseCore>&);
ImDrawData* Present();
[[nodiscard]] bool gotClosed(SDL_Event event) {
return event.type == SDL_WINDOWEVENT
@@ -19,12 +20,10 @@ struct Window {
&& event.window.windowID == SDL_GetWindowID(window);
}
private:
std::shared_ptr<BaseCore> core;
void InitSDL();
void InitVulkan(const std::vector<const char*>&, u32);
void InitVulkanWindow();
void InitImgui();
void Render(ImDrawData*);
void Present();
void Render();
SDL_Window* window{};
@@ -35,8 +34,8 @@ private:
VkQueue queue{};
VkPipelineCache pipelineCache{};
VkDescriptorPool descriptorPool{};
VkAllocationCallbacks* allocator{};
ImGui_ImplVulkanH_Window windowData;
u32 minImageCount = 2;
bool rebuildSwapchain = false;
};