From c4ab6280c6b5a5dd3a3b989f88065738ae21d6b6 Mon Sep 17 00:00:00 2001 From: Connor McLaughlin Date: Thu, 21 Oct 2021 18:45:14 +1000 Subject: [PATCH] Frontend: Add VulkanHostDisplay --- pcsx2/CMakeLists.txt | 11 + pcsx2/Config.h | 1 + pcsx2/Frontend/D3D11HostDisplay.cpp | 2 +- pcsx2/Frontend/D3D11HostDisplay.h | 2 +- pcsx2/Frontend/OpenGLHostDisplay.cpp | 2 +- pcsx2/Frontend/OpenGLHostDisplay.h | 2 +- pcsx2/Frontend/VulkanHostDisplay.cpp | 401 +++++++++ pcsx2/Frontend/VulkanHostDisplay.h | 63 ++ pcsx2/Frontend/imgui_impl_vulkan.cpp | 1206 ++++++++++++++++++++++++++ pcsx2/Frontend/imgui_impl_vulkan.h | 125 +++ pcsx2/GS/GS.cpp | 5 +- pcsx2/HostDisplay.cpp | 9 + pcsx2/HostDisplay.h | 2 +- pcsx2/Pcsx2Config.cpp | 6 +- pcsx2/gui/AppHost.cpp | 2 +- pcsx2/pcsx2.vcxproj | 5 +- pcsx2/pcsx2.vcxproj.filters | 9 + 17 files changed, 1843 insertions(+), 10 deletions(-) create mode 100644 pcsx2/Frontend/VulkanHostDisplay.cpp create mode 100644 pcsx2/Frontend/VulkanHostDisplay.h create mode 100644 pcsx2/Frontend/imgui_impl_vulkan.cpp create mode 100644 pcsx2/Frontend/imgui_impl_vulkan.h diff --git a/pcsx2/CMakeLists.txt b/pcsx2/CMakeLists.txt index c0e8502a96..73ab1a1f54 100644 --- a/pcsx2/CMakeLists.txt +++ b/pcsx2/CMakeLists.txt @@ -885,6 +885,17 @@ set(pcsx2FrontendHeaders Frontend/OpenGLHostDisplay.h ) +if(USE_VULKAN) + list(APPEND pcsx2FrontendSources + Frontend/VulkanHostDisplay.cpp + Frontend/imgui_impl_vulkan.cpp + ) + list(APPEND pcsx2FrontendHeaders + Frontend/imgui_impl_vulkan.h + Frontend/VulkanHostDisplay.h + ) +endif() + if(WIN32) list(APPEND pcsx2FrontendSources Frontend/D3D11HostDisplay.cpp diff --git a/pcsx2/Config.h b/pcsx2/Config.h index b3e82b3d50..785280326a 100644 --- a/pcsx2/Config.h +++ b/pcsx2/Config.h @@ -403,6 +403,7 @@ struct Pcsx2Config UseDebugDevice : 1, UseBlitSwapChain : 1, DisableShaderCache : 1, + ThreadedPresentation : 1, OsdShowMessages : 1, OsdShowSpeed : 1, OsdShowFPS : 1, diff --git a/pcsx2/Frontend/D3D11HostDisplay.cpp b/pcsx2/Frontend/D3D11HostDisplay.cpp index 2d1cbf94b6..7555bcaba1 100644 --- a/pcsx2/Frontend/D3D11HostDisplay.cpp +++ b/pcsx2/Frontend/D3D11HostDisplay.cpp @@ -217,7 +217,7 @@ void D3D11HostDisplay::SetVSync(VsyncMode mode) m_vsync = mode; } -bool D3D11HostDisplay::CreateRenderDevice(const WindowInfo& wi, std::string_view adapter_name, bool debug_device) +bool D3D11HostDisplay::CreateRenderDevice(const WindowInfo& wi, std::string_view adapter_name, bool threaded_presentation, bool debug_device) { UINT create_flags = 0; if (debug_device) diff --git a/pcsx2/Frontend/D3D11HostDisplay.h b/pcsx2/Frontend/D3D11HostDisplay.h index 441cb72fa5..ac3fdd8e5f 100644 --- a/pcsx2/Frontend/D3D11HostDisplay.h +++ b/pcsx2/Frontend/D3D11HostDisplay.h @@ -42,7 +42,7 @@ public: bool HasRenderDevice() const override; bool HasRenderSurface() const override; - bool CreateRenderDevice(const WindowInfo& wi, std::string_view adapter_name, bool debug_device) override; + bool CreateRenderDevice(const WindowInfo& wi, std::string_view adapter_name, bool threaded_presentation, bool debug_device) override; bool InitializeRenderDevice(std::string_view shader_cache_directory, bool debug_device) override; void DestroyRenderDevice() override; diff --git a/pcsx2/Frontend/OpenGLHostDisplay.cpp b/pcsx2/Frontend/OpenGLHostDisplay.cpp index 45434d0986..1d05762699 100644 --- a/pcsx2/Frontend/OpenGLHostDisplay.cpp +++ b/pcsx2/Frontend/OpenGLHostDisplay.cpp @@ -196,7 +196,7 @@ bool OpenGLHostDisplay::HasRenderSurface() const return m_window_info.type != WindowInfo::Type::Surfaceless; } -bool OpenGLHostDisplay::CreateRenderDevice(const WindowInfo& wi, std::string_view adapter_name, bool debug_device) +bool OpenGLHostDisplay::CreateRenderDevice(const WindowInfo& wi, std::string_view adapter_name, bool threaded_presentation, bool debug_device) { m_gl_context = GL::Context::Create(wi); if (!m_gl_context) diff --git a/pcsx2/Frontend/OpenGLHostDisplay.h b/pcsx2/Frontend/OpenGLHostDisplay.h index b50c0a6569..caabb70889 100644 --- a/pcsx2/Frontend/OpenGLHostDisplay.h +++ b/pcsx2/Frontend/OpenGLHostDisplay.h @@ -36,7 +36,7 @@ public: bool HasRenderDevice() const override; bool HasRenderSurface() const override; - bool CreateRenderDevice(const WindowInfo& wi, std::string_view adapter_name, bool debug_device) override; + bool CreateRenderDevice(const WindowInfo& wi, std::string_view adapter_name, bool threaded_presentation, bool debug_device) override; bool InitializeRenderDevice(std::string_view shader_cache_directory, bool debug_device) override; void DestroyRenderDevice() override; diff --git a/pcsx2/Frontend/VulkanHostDisplay.cpp b/pcsx2/Frontend/VulkanHostDisplay.cpp new file mode 100644 index 0000000000..2dfd389fcd --- /dev/null +++ b/pcsx2/Frontend/VulkanHostDisplay.cpp @@ -0,0 +1,401 @@ +#include "PrecompiledHeader.h" + +#include "VulkanHostDisplay.h" +#include "common/Assertions.h" +#include "common/Console.h" +#include "common/ScopedGuard.h" +#include "common/Vulkan/Builders.h" +#include "common/Vulkan/Context.h" +#include "common/Vulkan/ShaderCache.h" +#include "common/Vulkan/StreamBuffer.h" +#include "common/Vulkan/SwapChain.h" +#include "common/Vulkan/Util.h" +#include "imgui.h" +#include "imgui_impl_vulkan.h" +#include + +static constexpr u32 SHADER_CACHE_VERSION = 1; + +class VulkanHostDisplayTexture : public HostDisplayTexture +{ +public: + explicit VulkanHostDisplayTexture(Vulkan::Texture texture) + : m_texture(std::move(texture)) + { + } + ~VulkanHostDisplayTexture() override = default; + + void* GetHandle() const override { return const_cast(&m_texture); } + u32 GetWidth() const override { return m_texture.GetWidth(); } + u32 GetHeight() const override { return m_texture.GetHeight(); } + u32 GetLayers() const override { return m_texture.GetLayers(); } + u32 GetLevels() const override { return m_texture.GetLevels(); } + + const Vulkan::Texture& GetTexture() const { return m_texture; } + Vulkan::Texture& GetTexture() { return m_texture; } + +private: + Vulkan::Texture m_texture; +}; + +VulkanHostDisplay::VulkanHostDisplay() = default; + +VulkanHostDisplay::~VulkanHostDisplay() +{ + pxAssertRel(!g_vulkan_context, "Context should have been destroyed by now"); + pxAssertRel(!m_swap_chain, "Swap chain should have been destroyed by now"); +} + +HostDisplay::RenderAPI VulkanHostDisplay::GetRenderAPI() const { return HostDisplay::RenderAPI::Vulkan; } + +void* VulkanHostDisplay::GetRenderDevice() const { return nullptr; } + +void* VulkanHostDisplay::GetRenderContext() const { return nullptr; } + +void* VulkanHostDisplay::GetRenderSurface() const { return m_swap_chain.get(); } + +bool VulkanHostDisplay::ChangeRenderWindow(const WindowInfo& new_wi) +{ + g_vulkan_context->WaitForGPUIdle(); + + if (new_wi.type == WindowInfo::Type::Surfaceless) + { + g_vulkan_context->ExecuteCommandBuffer(true); + m_swap_chain.reset(); + m_window_info = new_wi; + return true; + } + + // recreate surface in existing swap chain if it already exists + if (m_swap_chain) + { + if (m_swap_chain->RecreateSurface(new_wi)) + { + m_window_info = m_swap_chain->GetWindowInfo(); + return true; + } + + m_swap_chain.reset(); + } + + WindowInfo wi_copy(new_wi); + VkSurfaceKHR surface = Vulkan::SwapChain::CreateVulkanSurface( + g_vulkan_context->GetVulkanInstance(), g_vulkan_context->GetPhysicalDevice(), &wi_copy); + if (surface == VK_NULL_HANDLE) + { + Console.Error("Failed to create new surface for swap chain"); + return false; + } + + m_swap_chain = Vulkan::SwapChain::Create(wi_copy, surface, false); + if (!m_swap_chain) + { + Console.Error("Failed to create swap chain"); + Vulkan::SwapChain::DestroyVulkanSurface(g_vulkan_context->GetVulkanInstance(), &wi_copy, surface); + return false; + } + + m_window_info = m_swap_chain->GetWindowInfo(); + return true; +} + +void VulkanHostDisplay::ResizeRenderWindow(s32 new_window_width, s32 new_window_height, float new_window_scale) +{ + g_vulkan_context->WaitForGPUIdle(); + + if (!m_swap_chain->ResizeSwapChain(new_window_width, new_window_height)) + pxFailRel("Failed to resize swap chain"); + + m_window_info = m_swap_chain->GetWindowInfo(); +} + +bool VulkanHostDisplay::SupportsFullscreen() const { return false; } + +bool VulkanHostDisplay::IsFullscreen() { return false; } + +bool VulkanHostDisplay::SetFullscreen(bool fullscreen, u32 width, u32 height, float refresh_rate) { return false; } + +HostDisplay::AdapterAndModeList VulkanHostDisplay::GetAdapterAndModeList() +{ + return StaticGetAdapterAndModeList(m_window_info.type != WindowInfo::Type::Surfaceless ? &m_window_info : nullptr); +} + +void VulkanHostDisplay::DestroyRenderSurface() +{ + m_window_info = {}; + g_vulkan_context->WaitForGPUIdle(); + m_swap_chain.reset(); +} + +static bool UploadBufferToTexture(Vulkan::Texture* texture, u32 width, u32 height, const void* data, u32 data_stride) +{ + const u32 tight_stride = Vulkan::Util::GetTexelSize(texture->GetFormat()) * width; + const u32 tight_size = tight_stride * height; + + Vulkan::StreamBuffer& buf = g_vulkan_context->GetTextureUploadBuffer(); + if (!buf.ReserveMemory(tight_size, g_vulkan_context->GetBufferImageGranularity())) + { + Console.WriteLn("Executing command buffer for UploadBufferToTexture()"); + g_vulkan_context->ExecuteCommandBuffer(false); + if (!buf.ReserveMemory(tight_size, g_vulkan_context->GetBufferImageGranularity())) + { + Console.WriteLn("Failed to allocate %u bytes in stream buffer for UploadBufferToTexture()", tight_size); + return false; + } + } + + const u32 buf_offset = buf.GetCurrentOffset(); + StringUtil::StrideMemCpy(buf.GetCurrentHostPointer(), tight_stride, data, data_stride, tight_stride, height); + buf.CommitMemory(tight_size); + + texture->UpdateFromBuffer( + g_vulkan_context->GetCurrentCommandBuffer(), 0, 0, 0, 0, width, height, width, buf.GetBuffer(), buf_offset); + return true; +} + +std::unique_ptr VulkanHostDisplay::CreateTexture( + u32 width, u32 height, u32 layers, u32 levels, const void* data, u32 data_stride, bool dynamic /* = false */) +{ + static constexpr VkFormat vk_format = VK_FORMAT_R8G8B8A8_UNORM; + static constexpr VkImageUsageFlags usage = + VK_IMAGE_USAGE_TRANSFER_SRC_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_SAMPLED_BIT; + + Vulkan::Texture texture; + if (!texture.Create(width, height, levels, layers, vk_format, VK_SAMPLE_COUNT_1_BIT, + (layers > 1) ? VK_IMAGE_VIEW_TYPE_2D_ARRAY : VK_IMAGE_VIEW_TYPE_2D, VK_IMAGE_TILING_OPTIMAL, usage)) + { + return {}; + } + + texture.TransitionToLayout(g_vulkan_context->GetCurrentCommandBuffer(), VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL); + + if (data) + { + if (!UploadBufferToTexture(&texture, width, height, data, data_stride)) + return {}; + } + else + { + // clear it instead so we don't read uninitialized data (and keep the validation layer happy!) + static constexpr VkClearColorValue ccv = {}; + static constexpr VkImageSubresourceRange isr = {VK_IMAGE_ASPECT_COLOR_BIT, 0u, 1u, 0u, 1u}; + vkCmdClearColorImage( + g_vulkan_context->GetCurrentCommandBuffer(), texture.GetImage(), texture.GetLayout(), &ccv, 1u, &isr); + } + + texture.TransitionToLayout(g_vulkan_context->GetCurrentCommandBuffer(), VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL); + + return std::make_unique(std::move(texture)); +} + +void VulkanHostDisplay::UpdateTexture( + HostDisplayTexture* texture, u32 x, u32 y, u32 width, u32 height, const void* data, u32 data_stride) +{ + UploadBufferToTexture( + &static_cast(texture)->GetTexture(), width, height, data, data_stride); +} + +void VulkanHostDisplay::SetVSync(VsyncMode mode) +{ + if (!m_swap_chain) + return; + + // This swap chain should not be used by the current buffer, thus safe to destroy. + g_vulkan_context->WaitForGPUIdle(); + m_swap_chain->SetVSync(mode != VsyncMode::Off); +} + +bool VulkanHostDisplay::CreateRenderDevice( + const WindowInfo& wi, std::string_view adapter_name, bool threaded_presentation, bool debug_device) +{ + // debug_device = true; + + WindowInfo local_wi(wi); + if (!Vulkan::Context::Create( + adapter_name, &local_wi, &m_swap_chain, threaded_presentation, debug_device, debug_device)) + { + Console.Error("Failed to create Vulkan context"); + m_window_info = {}; + return false; + } + + m_window_info = m_swap_chain ? m_swap_chain->GetWindowInfo() : local_wi; + return true; +} + +bool VulkanHostDisplay::InitializeRenderDevice(std::string_view shader_cache_directory, bool debug_device) +{ + Vulkan::ShaderCache::Create(shader_cache_directory, SHADER_CACHE_VERSION, debug_device); + return true; +} + +bool VulkanHostDisplay::HasRenderDevice() const { return static_cast(g_vulkan_context); } + +bool VulkanHostDisplay::HasRenderSurface() const { return static_cast(m_swap_chain); } + +bool VulkanHostDisplay::CreateImGuiContext() +{ + ImGui_ImplVulkan_InitInfo vii = {}; + vii.Instance = g_vulkan_context->GetVulkanInstance(); + vii.PhysicalDevice = g_vulkan_context->GetPhysicalDevice(); + vii.Device = g_vulkan_context->GetDevice(); + vii.QueueFamily = g_vulkan_context->GetGraphicsQueueFamilyIndex(); + vii.Queue = g_vulkan_context->GetGraphicsQueue(); + vii.PipelineCache = g_vulkan_shader_cache->GetPipelineCache(); + vii.MinImageCount = m_swap_chain->GetImageCount(); + vii.ImageCount = m_swap_chain->GetImageCount(); + vii.MSAASamples = VK_SAMPLE_COUNT_1_BIT; + + return ImGui_ImplVulkan_Init(&vii, m_swap_chain->GetClearRenderPass()); +} + +void VulkanHostDisplay::DestroyImGuiContext() +{ + g_vulkan_context->WaitForGPUIdle(); + ImGui_ImplVulkan_Shutdown(); +} + +bool VulkanHostDisplay::UpdateImGuiFontTexture() +{ + // Just in case we were drawing something. + g_vulkan_context->ExecuteCommandBuffer(true); + ImGui_ImplVulkan_DestroyFontUploadObjects(); + return ImGui_ImplVulkan_CreateFontsTexture(g_vulkan_context->GetCurrentCommandBuffer()); +} + +void VulkanHostDisplay::DestroyRenderDevice() +{ + if (!g_vulkan_context) + return; + + g_vulkan_context->WaitForGPUIdle(); + + Vulkan::ShaderCache::Destroy(); + DestroyRenderSurface(); + Vulkan::Context::Destroy(); +} + +bool VulkanHostDisplay::MakeRenderContextCurrent() { return true; } + +bool VulkanHostDisplay::DoneRenderContextCurrent() { return true; } + +bool VulkanHostDisplay::BeginPresent(bool frame_skip) +{ + if (frame_skip || !m_swap_chain) + { + ImGui::EndFrame(); + return false; + } + + // Previous frame needs to be presented before we can acquire the swap chain. + g_vulkan_context->WaitForPresentComplete(); + + VkResult res = m_swap_chain->AcquireNextImage(); + if (res != VK_SUCCESS) + { + if (res == VK_SUBOPTIMAL_KHR || res == VK_ERROR_OUT_OF_DATE_KHR) + { + ResizeRenderWindow(0, 0, m_window_info.surface_scale); + res = m_swap_chain->AcquireNextImage(); + } + else if (res == VK_ERROR_SURFACE_LOST_KHR) + { + Console.Warning("Surface lost, attempting to recreate"); + if (!m_swap_chain->RecreateSurface(m_window_info)) + { + Console.Error("Failed to recreate surface after loss"); + g_vulkan_context->ExecuteCommandBuffer(false); + m_swap_chain.reset(); + return false; + } + + res = m_swap_chain->AcquireNextImage(); + } + + // This can happen when multiple resize events happen in quick succession. + // In this case, just wait until the next frame to try again. + if (res != VK_SUCCESS && res != VK_SUBOPTIMAL_KHR) + { + // Still submit the command buffer, otherwise we'll end up with several frames waiting. + LOG_VULKAN_ERROR(res, "vkAcquireNextImageKHR() failed: "); + g_vulkan_context->ExecuteCommandBuffer(false); + return false; + } + } + + VkCommandBuffer cmdbuffer = g_vulkan_context->GetCurrentCommandBuffer(); + + // Swap chain images start in undefined + Vulkan::Texture& swap_chain_texture = m_swap_chain->GetCurrentTexture(); + swap_chain_texture.OverrideImageLayout(VK_IMAGE_LAYOUT_UNDEFINED); + swap_chain_texture.TransitionToLayout(cmdbuffer, VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL); + + const VkClearValue clear_value = {{{0.0f, 0.0f, 0.0f, 1.0f}}}; + const VkRenderPassBeginInfo rp = {VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO, nullptr, + m_swap_chain->GetClearRenderPass(), m_swap_chain->GetCurrentFramebuffer(), + {{0, 0}, {swap_chain_texture.GetWidth(), swap_chain_texture.GetHeight()}}, 1u, &clear_value}; + vkCmdBeginRenderPass(g_vulkan_context->GetCurrentCommandBuffer(), &rp, VK_SUBPASS_CONTENTS_INLINE); + + const VkViewport vp{0.0f, 0.0f, static_cast(swap_chain_texture.GetWidth()), + static_cast(swap_chain_texture.GetHeight()), 0.0f, 1.0f}; + const VkRect2D scissor{ + {0, 0}, {static_cast(swap_chain_texture.GetWidth()), static_cast(swap_chain_texture.GetHeight())}}; + vkCmdSetViewport(g_vulkan_context->GetCurrentCommandBuffer(), 0, 1, &vp); + vkCmdSetScissor(g_vulkan_context->GetCurrentCommandBuffer(), 0, 1, &scissor); + return true; +} + +void VulkanHostDisplay::EndPresent() +{ + ImGui::Render(); + ImGui_ImplVulkan_RenderDrawData(ImGui::GetDrawData(), g_vulkan_context->GetCurrentCommandBuffer()); + + VkCommandBuffer cmdbuffer = g_vulkan_context->GetCurrentCommandBuffer(); + vkCmdEndRenderPass(g_vulkan_context->GetCurrentCommandBuffer()); + m_swap_chain->GetCurrentTexture().TransitionToLayout(cmdbuffer, VK_IMAGE_LAYOUT_PRESENT_SRC_KHR); + + g_vulkan_context->SubmitCommandBuffer(m_swap_chain->GetImageAvailableSemaphore(), + m_swap_chain->GetRenderingFinishedSemaphore(), m_swap_chain->GetSwapChain(), + m_swap_chain->GetCurrentImageIndex(), !m_swap_chain->IsVSyncEnabled()); + g_vulkan_context->MoveToNextCommandBuffer(); +} + +HostDisplay::AdapterAndModeList VulkanHostDisplay::StaticGetAdapterAndModeList(const WindowInfo* wi) +{ + AdapterAndModeList ret; + std::vector fsmodes; + + if (g_vulkan_context) + { + ret.adapter_names = Vulkan::Context::EnumerateGPUNames(g_vulkan_context->GetVulkanInstance()); + if (wi) + { + fsmodes = Vulkan::SwapChain::GetSurfaceFullscreenModes( + g_vulkan_context->GetVulkanInstance(), g_vulkan_context->GetPhysicalDevice(), *wi); + } + } + else if (Vulkan::LoadVulkanLibrary()) + { + ScopedGuard lib_guard([]() { Vulkan::UnloadVulkanLibrary(); }); + + VkInstance instance = Vulkan::Context::CreateVulkanInstance(nullptr, false, false); + if (instance != VK_NULL_HANDLE) + { + ScopedGuard instance_guard([&instance]() { vkDestroyInstance(instance, nullptr); }); + + if (Vulkan::LoadVulkanInstanceFunctions(instance)) + ret.adapter_names = Vulkan::Context::EnumerateGPUNames(instance); + } + } + + if (!fsmodes.empty()) + { + ret.fullscreen_modes.reserve(fsmodes.size()); + for (const Vulkan::SwapChain::FullscreenModeInfo& fmi : fsmodes) + { + ret.fullscreen_modes.push_back(GetFullscreenModeString(fmi.width, fmi.height, fmi.refresh_rate)); + } + } + + return ret; +} diff --git a/pcsx2/Frontend/VulkanHostDisplay.h b/pcsx2/Frontend/VulkanHostDisplay.h new file mode 100644 index 0000000000..7b74701b20 --- /dev/null +++ b/pcsx2/Frontend/VulkanHostDisplay.h @@ -0,0 +1,63 @@ +#pragma once +#include "common/Vulkan/Loader.h" +#include "common/Vulkan/StreamBuffer.h" +#include "common/Vulkan/SwapChain.h" +#include "common/WindowInfo.h" +#include "pcsx2/HostDisplay.h" +#include +#include + +namespace Vulkan +{ + class StreamBuffer; + class SwapChain; +} // namespace Vulkan + +class VulkanHostDisplay final : public HostDisplay +{ +public: + VulkanHostDisplay(); + ~VulkanHostDisplay(); + + RenderAPI GetRenderAPI() const override; + void* GetRenderDevice() const override; + void* GetRenderContext() const override; + void* GetRenderSurface() const override; + + bool HasRenderDevice() const override; + bool HasRenderSurface() const override; + + bool CreateRenderDevice(const WindowInfo& wi, std::string_view adapter_name, bool threaded_presentation, bool debug_device) override; + bool InitializeRenderDevice(std::string_view shader_cache_directory, bool debug_device) override; + void DestroyRenderDevice() override; + + bool MakeRenderContextCurrent() override; + bool DoneRenderContextCurrent() override; + + bool ChangeRenderWindow(const WindowInfo& new_wi) override; + void ResizeRenderWindow(s32 new_window_width, s32 new_window_height, float new_window_scale) override; + bool SupportsFullscreen() const override; + bool IsFullscreen() override; + bool SetFullscreen(bool fullscreen, u32 width, u32 height, float refresh_rate) override; + AdapterAndModeList GetAdapterAndModeList() override; + void DestroyRenderSurface() override; + + std::unique_ptr CreateTexture(u32 width, u32 height, u32 layers, u32 levels, + const void* data, u32 data_stride, bool dynamic = false) override; + void UpdateTexture(HostDisplayTexture* texture, u32 x, u32 y, u32 width, u32 height, const void* texture_data, + u32 texture_data_stride) override; + + void SetVSync(VsyncMode mode) override; + + bool BeginPresent(bool frame_skip) override; + void EndPresent() override; + + static AdapterAndModeList StaticGetAdapterAndModeList(const WindowInfo* wi); + +protected: + bool CreateImGuiContext() override; + void DestroyImGuiContext() override; + bool UpdateImGuiFontTexture() override; + + std::unique_ptr m_swap_chain; +}; diff --git a/pcsx2/Frontend/imgui_impl_vulkan.cpp b/pcsx2/Frontend/imgui_impl_vulkan.cpp new file mode 100644 index 0000000000..68d980524c --- /dev/null +++ b/pcsx2/Frontend/imgui_impl_vulkan.cpp @@ -0,0 +1,1206 @@ +// dear imgui: Renderer for Vulkan +// This needs to be used along with a Platform Binding (e.g. GLFW, SDL, Win32, custom..) + +// Implemented features: +// [X] Renderer: Support for large meshes (64k+ vertices) with 16-bits indices. +// Missing features: +// [ ] Renderer: 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 are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui + +// The aim of imgui_impl_vulkan.h/.cpp is to be usable in your engine without any modification. +// IF YOU FEEL YOU NEED TO MAKE ANY CHANGE TO THIS CODE, please share them and your feedback at https://github.com/ocornut/imgui/ + +// Important note to the reader who wish to integrate imgui_impl_vulkan.cpp/.h in their own engine/app. +// - Common ImGui_ImplVulkan_XXX functions and structures are used to interface with imgui_impl_vulkan.cpp/.h. +// You will use those if you want to use this rendering back-end in your engine/app. +// - Helper ImGui_ImplVulkanH_XXX functions and structures are only used by this example (main.cpp) and by +// the back-end itself (imgui_impl_vulkan.cpp), but should PROBABLY NOT be used by your own engine/app code. +// Read comments in imgui_impl_vulkan.h. + +// CHANGELOG +// (minor and older changes stripped away, please see git history for details) +// 2019-08-01: Vulkan: Added support for specifying multisample count. Set ImGui_ImplVulkan_InitInfo::MSAASamples to one of the VkSampleCountFlagBits values to use, default is non-multisampled as before. +// 2019-05-29: Vulkan: Added support for large mesh (64K+ vertices), enable ImGuiBackendFlags_RendererHasVtxOffset flag. +// 2019-04-30: Vulkan: Added support for special ImDrawCallback_ResetRenderState callback to reset render state. +// 2019-04-04: *BREAKING CHANGE*: Vulkan: Added ImageCount/MinImageCount fields in ImGui_ImplVulkan_InitInfo, required for initialization (was previously a hard #define IMGUI_VK_QUEUED_FRAMES 2). Added ImGui_ImplVulkan_SetMinImageCount(). +// 2019-04-04: Vulkan: Added VkInstance argument to ImGui_ImplVulkanH_CreateWindow() optional helper. +// 2019-04-04: Vulkan: Avoid passing negative coordinates to vkCmdSetScissor, which debug validation layers do not like. +// 2019-04-01: Vulkan: Support for 32-bit index buffer (#define ImDrawIdx unsigned int). +// 2019-02-16: Vulkan: Viewport and clipping rectangles correctly using draw_data->FramebufferScale to allow retina display. +// 2018-11-30: Misc: Setting up io.BackendRendererName so it can be displayed in the About Window. +// 2018-08-25: Vulkan: Fixed mishandled VkSurfaceCapabilitiesKHR::maxImageCount=0 case. +// 2018-06-22: Inverted the parameters to ImGui_ImplVulkan_RenderDrawData() to be consistent with other bindings. +// 2018-06-08: Misc: Extracted imgui_impl_vulkan.cpp/.h away from the old combined GLFW+Vulkan example. +// 2018-06-08: Vulkan: Use draw_data->DisplayPos and draw_data->DisplaySize to setup projection matrix and clipping rectangle. +// 2018-03-03: Vulkan: Various refactor, created a couple of ImGui_ImplVulkanH_XXX helper that the example can use and that viewport support will use. +// 2018-03-01: Vulkan: Renamed ImGui_ImplVulkan_Init_Info to ImGui_ImplVulkan_InitInfo and fields to match more closely Vulkan terminology. +// 2018-02-16: Misc: Obsoleted the io.RenderDrawListsFn callback, ImGui_ImplVulkan_Render() calls ImGui_ImplVulkan_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. +// 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. +// 2016-08-27: Vulkan: Fix Vulkan example for use when a depth buffer is active. + +#include "PrecompiledHeader.h" + +#include "imgui.h" +#include "imgui_impl_vulkan.h" +#include "common/Vulkan/Context.h" +#include "common/Vulkan/Texture.h" +#include + +// Reusable buffers used for rendering 1 current in-flight frame, for ImGui_ImplVulkan_RenderDrawData() +// [Please zero-clear before use!] +struct ImGui_ImplVulkanH_FrameRenderBuffers +{ + VkDeviceMemory VertexBufferMemory; + VkDeviceMemory IndexBufferMemory; + VkDeviceSize VertexBufferSize; + VkDeviceSize IndexBufferSize; + VkBuffer VertexBuffer; + VkBuffer IndexBuffer; +}; + +// Each viewport will hold 1 ImGui_ImplVulkanH_WindowRenderBuffers +// [Please zero-clear before use!] +struct ImGui_ImplVulkanH_WindowRenderBuffers +{ + uint32_t Index; + uint32_t Count; + ImGui_ImplVulkanH_FrameRenderBuffers* FrameRenderBuffers; +}; + +// Vulkan data +static ImGui_ImplVulkan_InitInfo g_VulkanInitInfo = {}; +static VkRenderPass g_RenderPass = VK_NULL_HANDLE; +static VkDeviceSize g_BufferMemoryAlignment = 256; +static VkPipelineCreateFlags g_PipelineCreateFlags = 0x00; +static VkDescriptorSetLayout g_DescriptorSetLayout = VK_NULL_HANDLE; +static VkPipelineLayout g_PipelineLayout = VK_NULL_HANDLE; +static VkPipeline g_Pipeline = VK_NULL_HANDLE; + +// Font data +static VkSampler g_FontSampler = VK_NULL_HANDLE; +static VkDeviceMemory g_FontMemory = VK_NULL_HANDLE; +static VkImage g_FontImage = VK_NULL_HANDLE; +static VkDeviceMemory g_UploadBufferMemory = VK_NULL_HANDLE; +static VkBuffer g_UploadBuffer = VK_NULL_HANDLE; +static Vulkan::Texture g_FontTexture; + +// Render buffers +static ImGui_ImplVulkanH_WindowRenderBuffers g_MainWindowRenderBuffers; + +// Forward Declarations +bool ImGui_ImplVulkan_CreateDeviceObjects(); +void ImGui_ImplVulkan_DestroyDeviceObjects(); +void ImGui_ImplVulkanH_DestroyFrame(VkDevice device, ImGui_ImplVulkanH_Frame* fd, const VkAllocationCallbacks* allocator); +void ImGui_ImplVulkanH_DestroyFrameSemaphores(VkDevice device, ImGui_ImplVulkanH_FrameSemaphores* fsd, const VkAllocationCallbacks* allocator); +void ImGui_ImplVulkanH_DestroyFrameRenderBuffers(VkDevice device, ImGui_ImplVulkanH_FrameRenderBuffers* buffers, const VkAllocationCallbacks* allocator); +void ImGui_ImplVulkanH_DestroyWindowRenderBuffers(VkDevice device, ImGui_ImplVulkanH_WindowRenderBuffers* buffers, const VkAllocationCallbacks* allocator); +void ImGui_ImplVulkanH_CreateWindowSwapChain(VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_Window* wd, const VkAllocationCallbacks* allocator, int w, int h, uint32_t min_image_count); +void ImGui_ImplVulkanH_CreateWindowCommandBuffers(VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_Window* wd, uint32_t queue_family, const VkAllocationCallbacks* allocator); + +//----------------------------------------------------------------------------- +// 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 +}; + +//----------------------------------------------------------------------------- +// FUNCTIONS +//----------------------------------------------------------------------------- + +static uint32_t ImGui_ImplVulkan_MemoryType(VkMemoryPropertyFlags properties, uint32_t type_bits) +{ + ImGui_ImplVulkan_InitInfo* v = &g_VulkanInitInfo; + VkPhysicalDeviceMemoryProperties prop; + vkGetPhysicalDeviceMemoryProperties(v->PhysicalDevice, &prop); + for (uint32_t i = 0; i < prop.memoryTypeCount; i++) + if ((prop.memoryTypes[i].propertyFlags & properties) == properties && type_bits & (1<CheckVkResultFn) + v->CheckVkResultFn(err); +} + +static void CreateOrResizeBuffer(VkBuffer& buffer, VkDeviceMemory& buffer_memory, VkDeviceSize& p_buffer_size, size_t new_size, VkBufferUsageFlagBits usage) +{ + ImGui_ImplVulkan_InitInfo* v = &g_VulkanInitInfo; + VkResult err; + if (buffer != VK_NULL_HANDLE) + vkDestroyBuffer(v->Device, buffer, v->Allocator); + if (buffer_memory != VK_NULL_HANDLE) + vkFreeMemory(v->Device, buffer_memory, v->Allocator); + + VkDeviceSize vertex_buffer_size_aligned = ((new_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_aligned; + buffer_info.usage = usage; + buffer_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; + err = vkCreateBuffer(v->Device, &buffer_info, v->Allocator, &buffer); + check_vk_result(err); + + VkMemoryRequirements req; + vkGetBufferMemoryRequirements(v->Device, buffer, &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_ImplVulkan_MemoryType(VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, req.memoryTypeBits); + err = vkAllocateMemory(v->Device, &alloc_info, v->Allocator, &buffer_memory); + check_vk_result(err); + + err = vkBindBufferMemory(v->Device, buffer, buffer_memory, 0); + check_vk_result(err); + p_buffer_size = vertex_buffer_size_aligned; +} + +static void ImGui_ImplVulkan_SetupRenderState(ImDrawData* draw_data, VkCommandBuffer command_buffer, ImGui_ImplVulkanH_FrameRenderBuffers* rb, int fb_width, int fb_height) +{ + // Bind pipeline and descriptor sets: + { + vkCmdBindPipeline(command_buffer, VK_PIPELINE_BIND_POINT_GRAPHICS, g_Pipeline); + } + + // Bind Vertex And Index Buffer: + { + VkBuffer vertex_buffers[1] = { rb->VertexBuffer }; + VkDeviceSize vertex_offset[1] = { 0 }; + vkCmdBindVertexBuffers(command_buffer, 0, 1, vertex_buffers, vertex_offset); + vkCmdBindIndexBuffer(command_buffer, rb->IndexBuffer, 0, sizeof(ImDrawIdx) == 2 ? VK_INDEX_TYPE_UINT16 : VK_INDEX_TYPE_UINT32); + } + + // Setup viewport: + { + VkViewport viewport; + viewport.x = 0; + viewport.y = 0; + viewport.width = (float)fb_width; + viewport.height = (float)fb_height; + viewport.minDepth = 0.0f; + viewport.maxDepth = 1.0f; + vkCmdSetViewport(command_buffer, 0, 1, &viewport); + } + + // Setup scale and translation: + // Our visible imgui space lies from draw_data->DisplayPps (top left) to draw_data->DisplayPos+data_data->DisplaySize (bottom right). DisplayPos is (0,0) for single viewport apps. + { + float scale[2]; + scale[0] = 2.0f / draw_data->DisplaySize.x; + scale[1] = 2.0f / draw_data->DisplaySize.y; + float translate[2]; + translate[0] = -1.0f - draw_data->DisplayPos.x * scale[0]; + translate[1] = -1.0f - draw_data->DisplayPos.y * scale[1]; + vkCmdPushConstants(command_buffer, g_PipelineLayout, VK_SHADER_STAGE_VERTEX_BIT, sizeof(float) * 0, sizeof(float) * 2, scale); + vkCmdPushConstants(command_buffer, g_PipelineLayout, VK_SHADER_STAGE_VERTEX_BIT, sizeof(float) * 2, sizeof(float) * 2, translate); + } +} + +static void ImGui_ImplVulkan_UpdateAndBindDescriptors(const ImDrawCmd* pcmd, VkCommandBuffer command_buffer) +{ + const Vulkan::Texture* tex = static_cast(pcmd->TextureId); + + VkDescriptorSet desc_set = g_vulkan_context->AllocateDescriptorSet(g_DescriptorSetLayout); + + VkDescriptorImageInfo desc_image[1] = {}; + desc_image[0].sampler = g_FontSampler; + desc_image[0].imageView = tex->GetView(); + desc_image[0].imageLayout = tex->GetLayout(); + VkWriteDescriptorSet write_desc[1] = {}; + write_desc[0].sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET; + write_desc[0].dstSet = desc_set; + write_desc[0].descriptorCount = 1; + write_desc[0].descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER; + write_desc[0].pImageInfo = desc_image; + vkUpdateDescriptorSets(g_VulkanInitInfo.Device, 1, write_desc, 0, NULL); + vkCmdBindDescriptorSets(command_buffer, VK_PIPELINE_BIND_POINT_GRAPHICS, g_PipelineLayout, 0, 1, &desc_set, 0, NULL); +} + +// Render function +// (this used to be set in io.RenderDrawListsFn and called by ImGui::Render(), but you can now call this directly from your main loop) +void ImGui_ImplVulkan_RenderDrawData(ImDrawData* draw_data, VkCommandBuffer command_buffer) +{ + // Avoid rendering when minimized, scale coordinates for retina displays (screen coordinates != framebuffer coordinates) + int fb_width = (int)(draw_data->DisplaySize.x); + int fb_height = (int)(draw_data->DisplaySize.y); + if (fb_width <= 0 || fb_height <= 0 || draw_data->TotalVtxCount == 0) + return; + + ImGui_ImplVulkan_InitInfo* v = &g_VulkanInitInfo; + + // Allocate array to store enough vertex/index buffers + ImGui_ImplVulkanH_WindowRenderBuffers* wrb = &g_MainWindowRenderBuffers; + if (wrb->FrameRenderBuffers == NULL) + { + wrb->Index = 0; + wrb->Count = Vulkan::Context::NUM_COMMAND_BUFFERS; + wrb->FrameRenderBuffers = (ImGui_ImplVulkanH_FrameRenderBuffers*)IM_ALLOC(sizeof(ImGui_ImplVulkanH_FrameRenderBuffers) * wrb->Count); + memset(wrb->FrameRenderBuffers, 0, sizeof(ImGui_ImplVulkanH_FrameRenderBuffers) * wrb->Count); + } + IM_ASSERT(wrb->Count == Vulkan::Context::NUM_COMMAND_BUFFERS); + wrb->Index = (wrb->Index + 1) % wrb->Count; + ImGui_ImplVulkanH_FrameRenderBuffers* rb = &wrb->FrameRenderBuffers[g_vulkan_context->GetCurrentCommandBufferIndex()]; + + VkResult err; + + // Create or resize the vertex/index buffers + size_t vertex_size = draw_data->TotalVtxCount * sizeof(ImDrawVert); + size_t index_size = draw_data->TotalIdxCount * sizeof(ImDrawIdx); + if (rb->VertexBuffer == VK_NULL_HANDLE || rb->VertexBufferSize < vertex_size) + CreateOrResizeBuffer(rb->VertexBuffer, rb->VertexBufferMemory, rb->VertexBufferSize, vertex_size, VK_BUFFER_USAGE_VERTEX_BUFFER_BIT); + if (rb->IndexBuffer == VK_NULL_HANDLE || rb->IndexBufferSize < index_size) + CreateOrResizeBuffer(rb->IndexBuffer, rb->IndexBufferMemory, rb->IndexBufferSize, index_size, VK_BUFFER_USAGE_INDEX_BUFFER_BIT); + + // Upload vertex/index data into a single contiguous GPU buffer + { + ImDrawVert* vtx_dst = NULL; + ImDrawIdx* idx_dst = NULL; + err = vkMapMemory(v->Device, rb->VertexBufferMemory, 0, rb->VertexBufferSize, 0, (void**)(&vtx_dst)); + check_vk_result(err); + err = vkMapMemory(v->Device, rb->IndexBufferMemory, 0, rb->IndexBufferSize, 0, (void**)(&idx_dst)); + check_vk_result(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 = rb->VertexBufferMemory; + range[0].size = VK_WHOLE_SIZE; + range[1].sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE; + range[1].memory = rb->IndexBufferMemory; + range[1].size = VK_WHOLE_SIZE; + err = vkFlushMappedMemoryRanges(v->Device, 2, range); + check_vk_result(err); + vkUnmapMemory(v->Device, rb->VertexBufferMemory); + vkUnmapMemory(v->Device, rb->IndexBufferMemory); + } + + // Setup desired Vulkan state + ImGui_ImplVulkan_SetupRenderState(draw_data, command_buffer, rb, fb_width, fb_height); + + // Will project scissor/clipping rectangles into framebuffer space + ImVec2 clip_off = draw_data->DisplayPos; // (0,0) unless using multi-viewports + + // Render command lists + // (Because we merged all buffers into a single one, we maintain our own offset into them) + int global_vtx_offset = 0; + int global_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 != NULL) + { + // User callback, registered via ImDrawList::AddCallback() + // (ImDrawCallback_ResetRenderState is a special callback value used by the user to request the renderer to reset render state.) + if (pcmd->UserCallback == ImDrawCallback_ResetRenderState) + ImGui_ImplVulkan_SetupRenderState(draw_data, command_buffer, rb, fb_width, fb_height); + else + pcmd->UserCallback(cmd_list, pcmd); + } + else + { + // Project scissor/clipping rectangles into framebuffer space + ImVec4 clip_rect; + clip_rect.x = (pcmd->ClipRect.x - clip_off.x); + clip_rect.y = (pcmd->ClipRect.y - clip_off.y); + clip_rect.z = (pcmd->ClipRect.z - clip_off.x); + clip_rect.w = (pcmd->ClipRect.w - clip_off.y); + + if (clip_rect.x < fb_width && clip_rect.y < fb_height && clip_rect.z >= 0.0f && clip_rect.w >= 0.0f) + { + ImGui_ImplVulkan_UpdateAndBindDescriptors(pcmd, command_buffer); + + // Negative offsets are illegal for vkCmdSetScissor + if (clip_rect.x < 0.0f) + clip_rect.x = 0.0f; + if (clip_rect.y < 0.0f) + clip_rect.y = 0.0f; + + // Apply scissor/clipping rectangle + VkRect2D scissor; + scissor.offset.x = (int32_t)(clip_rect.x); + scissor.offset.y = (int32_t)(clip_rect.y); + scissor.extent.width = (uint32_t)(clip_rect.z - clip_rect.x); + scissor.extent.height = (uint32_t)(clip_rect.w - clip_rect.y); + vkCmdSetScissor(command_buffer, 0, 1, &scissor); + + // Draw + vkCmdDrawIndexed(command_buffer, pcmd->ElemCount, 1, pcmd->IdxOffset + global_idx_offset, pcmd->VtxOffset + global_vtx_offset, 0); + } + } + } + global_idx_offset += cmd_list->IdxBuffer.Size; + global_vtx_offset += cmd_list->VtxBuffer.Size; + } +} + +bool ImGui_ImplVulkan_CreateFontsTexture(VkCommandBuffer command_buffer) +{ + ImGui_ImplVulkan_InitInfo* v = &g_VulkanInitInfo; + 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(v->Device, &info, v->Allocator, &g_FontImage); + check_vk_result(err); + VkMemoryRequirements req; + vkGetImageMemoryRequirements(v->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_ImplVulkan_MemoryType(VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, req.memoryTypeBits); + err = vkAllocateMemory(v->Device, &alloc_info, v->Allocator, &g_FontMemory); + check_vk_result(err); + err = vkBindImageMemory(v->Device, g_FontImage, g_FontMemory, 0); + check_vk_result(err); + } + + // Create the Image View: + { + g_FontTexture.Adopt(g_FontImage, VK_IMAGE_VIEW_TYPE_2D, width, height, 1, 1, VK_FORMAT_R8G8B8A8_UNORM, VK_SAMPLE_COUNT_1_BIT); + g_FontTexture.TransitionToLayout(command_buffer, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL); + } + + // 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(v->Device, &buffer_info, v->Allocator, &g_UploadBuffer); + check_vk_result(err); + VkMemoryRequirements req; + vkGetBufferMemoryRequirements(v->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_ImplVulkan_MemoryType(VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, req.memoryTypeBits); + err = vkAllocateMemory(v->Device, &alloc_info, v->Allocator, &g_UploadBufferMemory); + check_vk_result(err); + err = vkBindBufferMemory(v->Device, g_UploadBuffer, g_UploadBufferMemory, 0); + check_vk_result(err); + } + + // Upload to Buffer: + { + char* map = NULL; + err = vkMapMemory(v->Device, g_UploadBufferMemory, 0, upload_size, 0, (void**)(&map)); + check_vk_result(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(v->Device, 1, range); + check_vk_result(err); + vkUnmapMemory(v->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 = (ImTextureID)(intptr_t)&g_FontTexture; + io.Fonts->ClearTexData(); + + return true; +} + +bool ImGui_ImplVulkan_CreateDeviceObjects() +{ + ImGui_ImplVulkan_InitInfo* v = &g_VulkanInitInfo; + 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(v->Device, &vert_info, v->Allocator, &vert_module); + check_vk_result(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(v->Device, &frag_info, v->Allocator, &frag_module); + check_vk_result(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(v->Device, &info, v->Allocator, &g_FontSampler); + check_vk_result(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(v->Device, &info, v->Allocator, &g_DescriptorSetLayout); + check_vk_result(err); + } + + if (!g_PipelineLayout) + { + // Constants: we are using 'vec2 offset' and 'vec2 scale' instead of a full 3d projection matrix + 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(v->Device, &layout_info, v->Allocator, &g_PipelineLayout); + check_vk_result(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 = IM_OFFSETOF(ImDrawVert, 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 = IM_OFFSETOF(ImDrawVert, 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 = IM_OFFSETOF(ImDrawVert, 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; + if (v->MSAASamples != 0) + ms_info.rasterizationSamples = v->MSAASamples; + else + 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 = (uint32_t)IM_ARRAYSIZE(dynamic_states); + 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(v->Device, v->PipelineCache, 1, &info, v->Allocator, &g_Pipeline); + check_vk_result(err); + + vkDestroyShaderModule(v->Device, vert_module, v->Allocator); + vkDestroyShaderModule(v->Device, frag_module, v->Allocator); + + return true; +} + +void ImGui_ImplVulkan_DestroyFontUploadObjects() +{ + ImGui_ImplVulkan_InitInfo* v = &g_VulkanInitInfo; + if (g_UploadBuffer) + { + vkDestroyBuffer(v->Device, g_UploadBuffer, v->Allocator); + g_UploadBuffer = VK_NULL_HANDLE; + } + if (g_UploadBufferMemory) + { + vkFreeMemory(v->Device, g_UploadBufferMemory, v->Allocator); + g_UploadBufferMemory = VK_NULL_HANDLE; + } +} + +void ImGui_ImplVulkan_DestroyDeviceObjects() +{ + ImGui_ImplVulkan_InitInfo* v = &g_VulkanInitInfo; + ImGui_ImplVulkanH_DestroyWindowRenderBuffers(v->Device, &g_MainWindowRenderBuffers, v->Allocator); + ImGui_ImplVulkan_DestroyFontUploadObjects(); + + g_FontTexture.Destroy(false); + if (g_FontImage) { vkDestroyImage(v->Device, g_FontImage, v->Allocator); g_FontImage = VK_NULL_HANDLE; } + if (g_FontMemory) { vkFreeMemory(v->Device, g_FontMemory, v->Allocator); g_FontMemory = VK_NULL_HANDLE; } + if (g_FontSampler) { vkDestroySampler(v->Device, g_FontSampler, v->Allocator); g_FontSampler = VK_NULL_HANDLE; } + if (g_DescriptorSetLayout) { vkDestroyDescriptorSetLayout(v->Device, g_DescriptorSetLayout, v->Allocator); g_DescriptorSetLayout = VK_NULL_HANDLE; } + if (g_PipelineLayout) { vkDestroyPipelineLayout(v->Device, g_PipelineLayout, v->Allocator); g_PipelineLayout = VK_NULL_HANDLE; } + if (g_Pipeline) { vkDestroyPipeline(v->Device, g_Pipeline, v->Allocator); g_Pipeline = VK_NULL_HANDLE; } +} + +bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitInfo* info, VkRenderPass render_pass) +{ + // Setup back-end capabilities flags + ImGuiIO& io = ImGui::GetIO(); + io.BackendRendererName = "imgui_impl_vulkan"; + io.BackendFlags |= ImGuiBackendFlags_RendererHasVtxOffset; // We can honor the ImDrawCmd::VtxOffset field, allowing for large meshes. + + IM_ASSERT(info->Instance != VK_NULL_HANDLE); + IM_ASSERT(info->PhysicalDevice != VK_NULL_HANDLE); + IM_ASSERT(info->Device != VK_NULL_HANDLE); + IM_ASSERT(info->Queue != VK_NULL_HANDLE); + IM_ASSERT(info->MinImageCount >= 2); + IM_ASSERT(info->ImageCount >= info->MinImageCount); + IM_ASSERT(render_pass != VK_NULL_HANDLE); + + g_VulkanInitInfo = *info; + g_RenderPass = render_pass; + ImGui_ImplVulkan_CreateDeviceObjects(); + + return true; +} + +void ImGui_ImplVulkan_Shutdown() +{ + ImGui_ImplVulkan_DestroyDeviceObjects(); +} + +void ImGui_ImplVulkan_SetMinImageCount(uint32_t min_image_count) +{ + IM_ASSERT(min_image_count >= 2); + if (g_VulkanInitInfo.MinImageCount == min_image_count) + return; + + ImGui_ImplVulkan_InitInfo* v = &g_VulkanInitInfo; + VkResult err = vkDeviceWaitIdle(v->Device); + check_vk_result(err); + ImGui_ImplVulkanH_DestroyWindowRenderBuffers(v->Device, &g_MainWindowRenderBuffers, v->Allocator); + g_VulkanInitInfo.MinImageCount = min_image_count; +} + + +//------------------------------------------------------------------------- +// Internal / Miscellaneous Vulkan Helpers +// (Used by example's main.cpp. Used by multi-viewport features. PROBABLY NOT used by your own app.) +//------------------------------------------------------------------------- +// You probably do NOT need to use or care about those functions. +// Those functions only exist because: +// 1) they facilitate the readability and maintenance of the multiple main.cpp examples files. +// 2) the upcoming multi-viewport feature will need them internally. +// Generally we avoid exposing any kind of superfluous high-level helpers in the bindings, +// but it is too much code to duplicate everywhere so we exceptionally expose them. +// +// Your engine/app will likely _already_ have code to setup all that stuff (swap chain, render pass, frame buffers, etc.). +// You may read this code to learn about Vulkan, but it is recommended you use you own custom tailored code to do equivalent work. +// (The ImGui_ImplVulkanH_XXX functions do not interact with any of the state used by the regular ImGui_ImplVulkan_XXX functions) +//------------------------------------------------------------------------- + +VkSurfaceFormatKHR ImGui_ImplVulkanH_SelectSurfaceFormat(VkPhysicalDevice physical_device, VkSurfaceKHR surface, const VkFormat* request_formats, int request_formats_count, VkColorSpaceKHR request_color_space) +{ + IM_ASSERT(request_formats != NULL); + IM_ASSERT(request_formats_count > 0); + + // Per Spec Format and View Format are expected to be the same unless VK_IMAGE_CREATE_MUTABLE_BIT was set at image creation + // Assuming that the default behavior is without setting this bit, there is no need for separate Swapchain image and image view format + // Additionally several new color spaces were introduced with Vulkan Spec v1.0.40, + // hence we must make sure that a format with the mostly available color space, VK_COLOR_SPACE_SRGB_NONLINEAR_KHR, is found and used. + uint32_t avail_count; + vkGetPhysicalDeviceSurfaceFormatsKHR(physical_device, surface, &avail_count, NULL); + ImVector avail_format; + avail_format.resize((int)avail_count); + vkGetPhysicalDeviceSurfaceFormatsKHR(physical_device, surface, &avail_count, avail_format.Data); + + // First check if only one format, VK_FORMAT_UNDEFINED, is available, which would imply that any format is available + if (avail_count == 1) + { + if (avail_format[0].format == VK_FORMAT_UNDEFINED) + { + VkSurfaceFormatKHR ret; + ret.format = request_formats[0]; + ret.colorSpace = request_color_space; + return ret; + } + else + { + // No point in searching another format + return avail_format[0]; + } + } + else + { + // Request several formats, the first found will be used + for (int request_i = 0; request_i < request_formats_count; request_i++) + for (uint32_t avail_i = 0; avail_i < avail_count; avail_i++) + if (avail_format[avail_i].format == request_formats[request_i] && avail_format[avail_i].colorSpace == request_color_space) + return avail_format[avail_i]; + + // If none of the requested image formats could be found, use the first available + return avail_format[0]; + } +} + +VkPresentModeKHR ImGui_ImplVulkanH_SelectPresentMode(VkPhysicalDevice physical_device, VkSurfaceKHR surface, const VkPresentModeKHR* request_modes, int request_modes_count) +{ + IM_ASSERT(request_modes != NULL); + IM_ASSERT(request_modes_count > 0); + + // Request a certain mode and confirm that it is available. If not use VK_PRESENT_MODE_FIFO_KHR which is mandatory + uint32_t avail_count = 0; + vkGetPhysicalDeviceSurfacePresentModesKHR(physical_device, surface, &avail_count, NULL); + ImVector avail_modes; + avail_modes.resize((int)avail_count); + vkGetPhysicalDeviceSurfacePresentModesKHR(physical_device, surface, &avail_count, avail_modes.Data); + //for (uint32_t avail_i = 0; avail_i < avail_count; avail_i++) + // printf("[vulkan] avail_modes[%d] = %d\n", avail_i, avail_modes[avail_i]); + + for (int request_i = 0; request_i < request_modes_count; request_i++) + for (uint32_t avail_i = 0; avail_i < avail_count; avail_i++) + if (request_modes[request_i] == avail_modes[avail_i]) + return request_modes[request_i]; + + return VK_PRESENT_MODE_FIFO_KHR; // Always available +} + +void ImGui_ImplVulkanH_CreateWindowCommandBuffers(VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_Window* wd, uint32_t queue_family, const VkAllocationCallbacks* allocator) +{ + IM_ASSERT(physical_device != VK_NULL_HANDLE && device != VK_NULL_HANDLE); + (void)physical_device; + (void)allocator; + + // Create Command Buffers + VkResult err; + for (uint32_t i = 0; i < wd->ImageCount; i++) + { + ImGui_ImplVulkanH_Frame* fd = &wd->Frames[i]; + ImGui_ImplVulkanH_FrameSemaphores* fsd = &wd->FrameSemaphores[i]; + { + VkCommandPoolCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO; + info.flags = VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT; + info.queueFamilyIndex = queue_family; + err = vkCreateCommandPool(device, &info, allocator, &fd->CommandPool); + check_vk_result(err); + } + { + VkCommandBufferAllocateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO; + info.commandPool = fd->CommandPool; + info.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY; + info.commandBufferCount = 1; + err = vkAllocateCommandBuffers(device, &info, &fd->CommandBuffer); + check_vk_result(err); + } + { + VkFenceCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO; + info.flags = VK_FENCE_CREATE_SIGNALED_BIT; + err = vkCreateFence(device, &info, allocator, &fd->Fence); + check_vk_result(err); + } + { + VkSemaphoreCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO; + err = vkCreateSemaphore(device, &info, allocator, &fsd->ImageAcquiredSemaphore); + check_vk_result(err); + err = vkCreateSemaphore(device, &info, allocator, &fsd->RenderCompleteSemaphore); + check_vk_result(err); + } + } +} + +int ImGui_ImplVulkanH_GetMinImageCountFromPresentMode(VkPresentModeKHR present_mode) +{ + if (present_mode == VK_PRESENT_MODE_MAILBOX_KHR) + return 3; + if (present_mode == VK_PRESENT_MODE_FIFO_KHR || present_mode == VK_PRESENT_MODE_FIFO_RELAXED_KHR) + return 2; + if (present_mode == VK_PRESENT_MODE_IMMEDIATE_KHR) + return 1; + IM_ASSERT(0); + return 1; +} + +// Also destroy old swap chain and in-flight frames data, if any. +void ImGui_ImplVulkanH_CreateWindowSwapChain(VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_Window* wd, const VkAllocationCallbacks* allocator, int w, int h, uint32_t min_image_count) +{ + VkResult err; + VkSwapchainKHR old_swapchain = wd->Swapchain; + err = vkDeviceWaitIdle(device); + check_vk_result(err); + + // We don't use ImGui_ImplVulkanH_DestroyWindow() because we want to preserve the old swapchain to create the new one. + // Destroy old Framebuffer + for (uint32_t i = 0; i < wd->ImageCount; i++) + { + ImGui_ImplVulkanH_DestroyFrame(device, &wd->Frames[i], allocator); + ImGui_ImplVulkanH_DestroyFrameSemaphores(device, &wd->FrameSemaphores[i], allocator); + } + IM_FREE(wd->Frames); + IM_FREE(wd->FrameSemaphores); + wd->Frames = NULL; + wd->FrameSemaphores = NULL; + wd->ImageCount = 0; + if (wd->RenderPass) + vkDestroyRenderPass(device, wd->RenderPass, allocator); + + // If min image count was not specified, request different count of images dependent on selected present mode + if (min_image_count == 0) + min_image_count = ImGui_ImplVulkanH_GetMinImageCountFromPresentMode(wd->PresentMode); + + // Create Swapchain + { + VkSwapchainCreateInfoKHR info = {}; + info.sType = VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR; + info.surface = wd->Surface; + info.minImageCount = min_image_count; + info.imageFormat = wd->SurfaceFormat.format; + info.imageColorSpace = wd->SurfaceFormat.colorSpace; + info.imageArrayLayers = 1; + info.imageUsage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT; + info.imageSharingMode = VK_SHARING_MODE_EXCLUSIVE; // Assume that graphics family == present family + info.preTransform = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR; + info.compositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR; + info.presentMode = wd->PresentMode; + info.clipped = VK_TRUE; + info.oldSwapchain = old_swapchain; + VkSurfaceCapabilitiesKHR cap; + err = vkGetPhysicalDeviceSurfaceCapabilitiesKHR(physical_device, wd->Surface, &cap); + check_vk_result(err); + if (info.minImageCount < cap.minImageCount) + info.minImageCount = cap.minImageCount; + else if (cap.maxImageCount != 0 && info.minImageCount > cap.maxImageCount) + info.minImageCount = cap.maxImageCount; + + if (cap.currentExtent.width == 0xffffffff) + { + info.imageExtent.width = wd->Width = w; + info.imageExtent.height = wd->Height = h; + } + else + { + info.imageExtent.width = wd->Width = cap.currentExtent.width; + info.imageExtent.height = wd->Height = cap.currentExtent.height; + } + err = vkCreateSwapchainKHR(device, &info, allocator, &wd->Swapchain); + check_vk_result(err); + err = vkGetSwapchainImagesKHR(device, wd->Swapchain, &wd->ImageCount, NULL); + check_vk_result(err); + VkImage backbuffers[16] = {}; + IM_ASSERT(wd->ImageCount >= min_image_count); + IM_ASSERT(wd->ImageCount < IM_ARRAYSIZE(backbuffers)); + err = vkGetSwapchainImagesKHR(device, wd->Swapchain, &wd->ImageCount, backbuffers); + check_vk_result(err); + + IM_ASSERT(wd->Frames == NULL); + wd->Frames = (ImGui_ImplVulkanH_Frame*)IM_ALLOC(sizeof(ImGui_ImplVulkanH_Frame) * wd->ImageCount); + wd->FrameSemaphores = (ImGui_ImplVulkanH_FrameSemaphores*)IM_ALLOC(sizeof(ImGui_ImplVulkanH_FrameSemaphores) * wd->ImageCount); + memset(wd->Frames, 0, sizeof(wd->Frames[0]) * wd->ImageCount); + memset(wd->FrameSemaphores, 0, sizeof(wd->FrameSemaphores[0]) * wd->ImageCount); + for (uint32_t i = 0; i < wd->ImageCount; i++) + wd->Frames[i].Backbuffer = backbuffers[i]; + } + if (old_swapchain) + vkDestroySwapchainKHR(device, old_swapchain, allocator); + + // Create the Render Pass + { + VkAttachmentDescription attachment = {}; + attachment.format = wd->SurfaceFormat.format; + attachment.samples = VK_SAMPLE_COUNT_1_BIT; + attachment.loadOp = wd->ClearEnable ? VK_ATTACHMENT_LOAD_OP_CLEAR : 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 color_attachment = {}; + color_attachment.attachment = 0; + color_attachment.layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL; + VkSubpassDescription subpass = {}; + subpass.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS; + subpass.colorAttachmentCount = 1; + subpass.pColorAttachments = &color_attachment; + 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, &wd->RenderPass); + check_vk_result(err); + } + + // Create The Image Views + { + VkImageViewCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO; + info.viewType = VK_IMAGE_VIEW_TYPE_2D; + info.format = wd->SurfaceFormat.format; + info.components.r = VK_COMPONENT_SWIZZLE_R; + info.components.g = VK_COMPONENT_SWIZZLE_G; + info.components.b = VK_COMPONENT_SWIZZLE_B; + info.components.a = VK_COMPONENT_SWIZZLE_A; + VkImageSubresourceRange image_range = { VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1 }; + info.subresourceRange = image_range; + for (uint32_t i = 0; i < wd->ImageCount; i++) + { + ImGui_ImplVulkanH_Frame* fd = &wd->Frames[i]; + info.image = fd->Backbuffer; + err = vkCreateImageView(device, &info, allocator, &fd->BackbufferView); + check_vk_result(err); + } + } + + // Create Framebuffer + { + VkImageView attachment[1]; + VkFramebufferCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO; + info.renderPass = wd->RenderPass; + info.attachmentCount = 1; + info.pAttachments = attachment; + info.width = wd->Width; + info.height = wd->Height; + info.layers = 1; + for (uint32_t i = 0; i < wd->ImageCount; i++) + { + ImGui_ImplVulkanH_Frame* fd = &wd->Frames[i]; + attachment[0] = fd->BackbufferView; + err = vkCreateFramebuffer(device, &info, allocator, &fd->Framebuffer); + check_vk_result(err); + } + } +} + +void ImGui_ImplVulkanH_CreateWindow(VkInstance instance, VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_Window* wd, uint32_t queue_family, const VkAllocationCallbacks* allocator, int width, int height, uint32_t min_image_count) +{ + (void)instance; + ImGui_ImplVulkanH_CreateWindowSwapChain(physical_device, device, wd, allocator, width, height, min_image_count); + ImGui_ImplVulkanH_CreateWindowCommandBuffers(physical_device, device, wd, queue_family, allocator); +} + +void ImGui_ImplVulkanH_DestroyWindow(VkInstance instance, VkDevice device, ImGui_ImplVulkanH_Window* wd, const VkAllocationCallbacks* allocator) +{ + vkDeviceWaitIdle(device); // FIXME: We could wait on the Queue if we had the queue in wd-> (otherwise VulkanH functions can't use globals) + //vkQueueWaitIdle(g_Queue); + + for (uint32_t i = 0; i < wd->ImageCount; i++) + { + ImGui_ImplVulkanH_DestroyFrame(device, &wd->Frames[i], allocator); + ImGui_ImplVulkanH_DestroyFrameSemaphores(device, &wd->FrameSemaphores[i], allocator); + } + IM_FREE(wd->Frames); + IM_FREE(wd->FrameSemaphores); + wd->Frames = NULL; + wd->FrameSemaphores = NULL; + vkDestroyRenderPass(device, wd->RenderPass, allocator); + vkDestroySwapchainKHR(device, wd->Swapchain, allocator); + vkDestroySurfaceKHR(instance, wd->Surface, allocator); + + *wd = ImGui_ImplVulkanH_Window(); +} + +void ImGui_ImplVulkanH_DestroyFrame(VkDevice device, ImGui_ImplVulkanH_Frame* fd, const VkAllocationCallbacks* allocator) +{ + vkDestroyFence(device, fd->Fence, allocator); + vkFreeCommandBuffers(device, fd->CommandPool, 1, &fd->CommandBuffer); + vkDestroyCommandPool(device, fd->CommandPool, allocator); + fd->Fence = VK_NULL_HANDLE; + fd->CommandBuffer = VK_NULL_HANDLE; + fd->CommandPool = VK_NULL_HANDLE; + + vkDestroyImageView(device, fd->BackbufferView, allocator); + vkDestroyFramebuffer(device, fd->Framebuffer, allocator); +} + +void ImGui_ImplVulkanH_DestroyFrameSemaphores(VkDevice device, ImGui_ImplVulkanH_FrameSemaphores* fsd, const VkAllocationCallbacks* allocator) +{ + vkDestroySemaphore(device, fsd->ImageAcquiredSemaphore, allocator); + vkDestroySemaphore(device, fsd->RenderCompleteSemaphore, allocator); + fsd->ImageAcquiredSemaphore = fsd->RenderCompleteSemaphore = VK_NULL_HANDLE; +} + +void ImGui_ImplVulkanH_DestroyFrameRenderBuffers(VkDevice device, ImGui_ImplVulkanH_FrameRenderBuffers* buffers, const VkAllocationCallbacks* allocator) +{ + if (buffers->VertexBuffer) { vkDestroyBuffer(device, buffers->VertexBuffer, allocator); buffers->VertexBuffer = VK_NULL_HANDLE; } + if (buffers->VertexBufferMemory) { vkFreeMemory(device, buffers->VertexBufferMemory, allocator); buffers->VertexBufferMemory = VK_NULL_HANDLE; } + if (buffers->IndexBuffer) { vkDestroyBuffer(device, buffers->IndexBuffer, allocator); buffers->IndexBuffer = VK_NULL_HANDLE; } + if (buffers->IndexBufferMemory) { vkFreeMemory(device, buffers->IndexBufferMemory, allocator); buffers->IndexBufferMemory = VK_NULL_HANDLE; } + buffers->VertexBufferSize = 0; + buffers->IndexBufferSize = 0; +} + +void ImGui_ImplVulkanH_DestroyWindowRenderBuffers(VkDevice device, ImGui_ImplVulkanH_WindowRenderBuffers* buffers, const VkAllocationCallbacks* allocator) +{ + for (uint32_t n = 0; n < buffers->Count; n++) + ImGui_ImplVulkanH_DestroyFrameRenderBuffers(device, &buffers->FrameRenderBuffers[n], allocator); + IM_FREE(buffers->FrameRenderBuffers); + buffers->FrameRenderBuffers = NULL; + buffers->Index = 0; + buffers->Count = 0; +} diff --git a/pcsx2/Frontend/imgui_impl_vulkan.h b/pcsx2/Frontend/imgui_impl_vulkan.h new file mode 100644 index 0000000000..7ea4fbea72 --- /dev/null +++ b/pcsx2/Frontend/imgui_impl_vulkan.h @@ -0,0 +1,125 @@ +// dear imgui: Renderer for Vulkan +// This needs to be used along with a Platform Binding (e.g. GLFW, SDL, Win32, custom..) + +// Implemented features: +// [X] Renderer: Support for large meshes (64k+ vertices) with 16-bits indices. +// Missing features: +// [ ] Renderer: 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 are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui + +// The aim of imgui_impl_vulkan.h/.cpp is to be usable in your engine without any modification. +// IF YOU FEEL YOU NEED TO MAKE ANY CHANGE TO THIS CODE, please share them and your feedback at https://github.com/ocornut/imgui/ + +// Important note to the reader who wish to integrate imgui_impl_vulkan.cpp/.h in their own engine/app. +// - Common ImGui_ImplVulkan_XXX functions and structures are used to interface with imgui_impl_vulkan.cpp/.h. +// You will use those if you want to use this rendering back-end in your engine/app. +// - Helper ImGui_ImplVulkanH_XXX functions and structures are only used by this example (main.cpp) and by +// the back-end itself (imgui_impl_vulkan.cpp), but should PROBABLY NOT be used by your own engine/app code. +// Read comments in imgui_impl_vulkan.h. + +#pragma once + +#include "imgui.h" +#include "common/Vulkan/Loader.h" + +// Initialization data, for ImGui_ImplVulkan_Init() +// [Please zero-clear before use!] +struct ImGui_ImplVulkan_InitInfo +{ + VkInstance Instance; + VkPhysicalDevice PhysicalDevice; + VkDevice Device; + uint32_t QueueFamily; + VkQueue Queue; + VkPipelineCache PipelineCache; + uint32_t MinImageCount; // >= 2 + uint32_t ImageCount; // >= MinImageCount + VkSampleCountFlagBits MSAASamples; // >= VK_SAMPLE_COUNT_1_BIT + const VkAllocationCallbacks* Allocator; + void (*CheckVkResultFn)(VkResult err); +}; + +// Called by user code +IMGUI_IMPL_API bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitInfo* info, VkRenderPass render_pass); +IMGUI_IMPL_API void ImGui_ImplVulkan_Shutdown(); +IMGUI_IMPL_API void ImGui_ImplVulkan_RenderDrawData(ImDrawData* draw_data, VkCommandBuffer command_buffer); +IMGUI_IMPL_API bool ImGui_ImplVulkan_CreateFontsTexture(VkCommandBuffer command_buffer); +IMGUI_IMPL_API void ImGui_ImplVulkan_DestroyFontUploadObjects(); +IMGUI_IMPL_API void ImGui_ImplVulkan_SetMinImageCount(uint32_t min_image_count); // To override MinImageCount after initialization (e.g. if swap chain is recreated) + + +//------------------------------------------------------------------------- +// Internal / Miscellaneous Vulkan Helpers +// (Used by example's main.cpp. Used by multi-viewport features. PROBABLY NOT used by your own engine/app.) +//------------------------------------------------------------------------- +// You probably do NOT need to use or care about those functions. +// Those functions only exist because: +// 1) they facilitate the readability and maintenance of the multiple main.cpp examples files. +// 2) the upcoming multi-viewport feature will need them internally. +// Generally we avoid exposing any kind of superfluous high-level helpers in the bindings, +// but it is too much code to duplicate everywhere so we exceptionally expose them. +// +// Your engine/app will likely _already_ have code to setup all that stuff (swap chain, render pass, frame buffers, etc.). +// You may read this code to learn about Vulkan, but it is recommended you use you own custom tailored code to do equivalent work. +// (The ImGui_ImplVulkanH_XXX functions do not interact with any of the state used by the regular ImGui_ImplVulkan_XXX functions) +//------------------------------------------------------------------------- + +struct ImGui_ImplVulkanH_Frame; +struct ImGui_ImplVulkanH_Window; + +// Helpers +IMGUI_IMPL_API void ImGui_ImplVulkanH_CreateWindow(VkInstance instance, VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_Window* wnd, uint32_t queue_family, const VkAllocationCallbacks* allocator, int w, int h, uint32_t min_image_count); +IMGUI_IMPL_API void ImGui_ImplVulkanH_DestroyWindow(VkInstance instance, VkDevice device, ImGui_ImplVulkanH_Window* wnd, const VkAllocationCallbacks* allocator); +IMGUI_IMPL_API VkSurfaceFormatKHR ImGui_ImplVulkanH_SelectSurfaceFormat(VkPhysicalDevice physical_device, VkSurfaceKHR surface, const VkFormat* request_formats, int request_formats_count, VkColorSpaceKHR request_color_space); +IMGUI_IMPL_API VkPresentModeKHR ImGui_ImplVulkanH_SelectPresentMode(VkPhysicalDevice physical_device, VkSurfaceKHR surface, const VkPresentModeKHR* request_modes, int request_modes_count); +IMGUI_IMPL_API int ImGui_ImplVulkanH_GetMinImageCountFromPresentMode(VkPresentModeKHR present_mode); + +// Helper structure to hold the data needed by one rendering frame +// (Used by example's main.cpp. Used by multi-viewport features. Probably NOT used by your own engine/app.) +// [Please zero-clear before use!] +struct ImGui_ImplVulkanH_Frame +{ + VkCommandPool CommandPool; + VkCommandBuffer CommandBuffer; + VkFence Fence; + VkImage Backbuffer; + VkImageView BackbufferView; + VkFramebuffer Framebuffer; +}; + +struct ImGui_ImplVulkanH_FrameSemaphores +{ + VkSemaphore ImageAcquiredSemaphore; + VkSemaphore RenderCompleteSemaphore; +}; + +// Helper structure to hold the data needed by one rendering context into one OS window +// (Used by example's main.cpp. Used by multi-viewport features. Probably NOT used by your own engine/app.) +struct ImGui_ImplVulkanH_Window +{ + int Width; + int Height; + VkSwapchainKHR Swapchain; + VkSurfaceKHR Surface; + VkSurfaceFormatKHR SurfaceFormat; + VkPresentModeKHR PresentMode; + VkRenderPass RenderPass; + bool ClearEnable; + VkClearValue ClearValue; + uint32_t FrameIndex; // Current frame being rendered to (0 <= FrameIndex < FrameInFlightCount) + uint32_t ImageCount; // Number of simultaneous in-flight frames (returned by vkGetSwapchainImagesKHR, usually derived from min_image_count) + uint32_t SemaphoreIndex; // Current set of swapchain wait semaphores we're using (needs to be distinct from per frame data) + ImGui_ImplVulkanH_Frame* Frames; + ImGui_ImplVulkanH_FrameSemaphores* FrameSemaphores; + + ImGui_ImplVulkanH_Window() + { + memset(this, 0, sizeof(*this)); + PresentMode = VK_PRESENT_MODE_MAX_ENUM_KHR; + ClearEnable = true; + } +}; + diff --git a/pcsx2/GS/GS.cpp b/pcsx2/GS/GS.cpp index c6e683e487..f473d6e33c 100644 --- a/pcsx2/GS/GS.cpp +++ b/pcsx2/GS/GS.cpp @@ -709,7 +709,8 @@ void GSUpdateConfig(const Pcsx2Config::GSOptions& new_config) GSConfig.Adapter != old_config.Adapter || GSConfig.UseDebugDevice != old_config.UseDebugDevice || GSConfig.UseBlitSwapChain != old_config.UseBlitSwapChain || - GSConfig.DisableShaderCache != old_config.DisableShaderCache + GSConfig.DisableShaderCache != old_config.DisableShaderCache || + GSConfig.ThreadedPresentation != old_config.ThreadedPresentation ); GSreopen(do_full_restart); return; @@ -1300,7 +1301,7 @@ void GSApp::Init() m_default_configuration["shaderfx_conf"] = "shaders/GS_FX_Settings.ini"; m_default_configuration["shaderfx_glsl"] = "shaders/GS.fx"; m_default_configuration["skip_duplicate_frames"] = "0"; - m_default_configuration["threaded_presentation"] = "0"; + m_default_configuration["ThreadedPresentation"] = "0"; m_default_configuration["throttle_present_rate"] = "0"; m_default_configuration["TVShader"] = "0"; m_default_configuration["upscale_multiplier"] = "1"; diff --git a/pcsx2/HostDisplay.cpp b/pcsx2/HostDisplay.cpp index 726274d2d4..474afbeddf 100644 --- a/pcsx2/HostDisplay.cpp +++ b/pcsx2/HostDisplay.cpp @@ -106,6 +106,10 @@ std::string HostDisplay::GetFullscreenModeString(u32 width, u32 height, float re #include "Frontend/OpenGLHostDisplay.h" +#ifdef ENABLE_VULKAN +#include "Frontend/VulkanHostDisplay.h" +#endif + #ifdef _WIN32 #include "Frontend/D3D11HostDisplay.h" #endif @@ -123,6 +127,11 @@ std::unique_ptr HostDisplay::CreateDisplayForAPI(RenderAPI api) case HostDisplay::RenderAPI::OpenGLES: return std::make_unique(); +#ifdef ENABLE_VULKAN + case RenderAPI::Vulkan: + return std::make_unique(); +#endif + default: Console.Error("Unknown render API %u", static_cast(api)); return {}; diff --git a/pcsx2/HostDisplay.h b/pcsx2/HostDisplay.h index d6559c0626..14f467ea7d 100644 --- a/pcsx2/HostDisplay.h +++ b/pcsx2/HostDisplay.h @@ -97,7 +97,7 @@ public: virtual bool HasRenderDevice() const = 0; virtual bool HasRenderSurface() const = 0; - virtual bool CreateRenderDevice(const WindowInfo& wi, std::string_view adapter_name, bool debug_device) = 0; + virtual bool CreateRenderDevice(const WindowInfo& wi, std::string_view adapter_name, bool threaded_presentation, bool debug_device) = 0; virtual bool InitializeRenderDevice(std::string_view shader_cache_directory, bool debug_device) = 0; virtual bool MakeRenderContextCurrent() = 0; virtual bool DoneRenderContextCurrent() = 0; diff --git a/pcsx2/Pcsx2Config.cpp b/pcsx2/Pcsx2Config.cpp index 69ff91dd35..c387638ab6 100644 --- a/pcsx2/Pcsx2Config.cpp +++ b/pcsx2/Pcsx2Config.cpp @@ -281,6 +281,7 @@ Pcsx2Config::GSOptions::GSOptions() UseDebugDevice = false; UseBlitSwapChain = false; DisableShaderCache = false; + ThreadedPresentation = false; OsdShowMessages = true; OsdShowSpeed = false; OsdShowFPS = false; @@ -390,7 +391,8 @@ bool Pcsx2Config::GSOptions::RestartOptionsAreEqual(const GSOptions& right) cons OpEqu(Adapter) && OpEqu(UseDebugDevice) && OpEqu(UseBlitSwapChain) && - OpEqu(DisableShaderCache); + OpEqu(DisableShaderCache) && + OpEqu(ThreadedPresentation); } void Pcsx2Config::GSOptions::LoadSave(SettingsWrapper& wrap) @@ -417,6 +419,7 @@ void Pcsx2Config::GSOptions::LoadSave(SettingsWrapper& wrap) // These are loaded from GSWindow in wx. SettingsWrapEnumEx(AspectRatio, "AspectRatio", AspectRatioNames); SettingsWrapEnumEx(FMVAspectRatioSwitch, "FMVAspectRatioSwitch", FMVAspectRatioSwitchNames); + SettingsWrapEntry(Zoom); SettingsWrapEntry(StretchY); SettingsWrapEntry(OffsetX); @@ -467,6 +470,7 @@ void Pcsx2Config::GSOptions::ReloadIniSettings() GSSettingBool(UseDebugDevice); GSSettingBool(UseBlitSwapChain); GSSettingBoolEx(DisableShaderCache, "disable_shader_cache"); + GSSettingBool(ThreadedPresentation); GSSettingBool(OsdShowMessages); GSSettingBool(OsdShowSpeed); GSSettingBool(OsdShowFPS); diff --git a/pcsx2/gui/AppHost.cpp b/pcsx2/gui/AppHost.cpp index 86e36e0e6f..2011df874d 100644 --- a/pcsx2/gui/AppHost.cpp +++ b/pcsx2/gui/AppHost.cpp @@ -120,7 +120,7 @@ HostDisplay* Host::AcquireHostDisplay(HostDisplay::RenderAPI api) if (!s_host_display) return nullptr; - if (!s_host_display->CreateRenderDevice(g_gs_window_info, GSConfig.Adapter, GSConfig.UseDebugDevice) || + if (!s_host_display->CreateRenderDevice(g_gs_window_info, GSConfig.Adapter, GSConfig.ThreadedPresentation, GSConfig.UseDebugDevice) || !s_host_display->InitializeRenderDevice(StringUtil::wxStringToUTF8String(EmuFolders::Cache.ToString()), GSConfig.UseDebugDevice) || !ImGuiManager::Initialize()) { diff --git a/pcsx2/pcsx2.vcxproj b/pcsx2/pcsx2.vcxproj index d306f55c82..ea24f7be9e 100644 --- a/pcsx2/pcsx2.vcxproj +++ b/pcsx2/pcsx2.vcxproj @@ -48,7 +48,7 @@ PrecompiledHeader.h;%(ForcedIncludeFiles) NoExtensions /Zc:externConstexpr %(AdditionalOptions) - WIN32_LEAN_AND_MEAN;LZMA_API_STATIC;BUILD_DX=1;SPU2X_CUBEB;DIRECTINPUT_VERSION=0x0800;%(PreprocessorDefinitions) + WIN32_LEAN_AND_MEAN;LZMA_API_STATIC;BUILD_DX=1;ENABLE_VULKAN;SPU2X_CUBEB;DIRECTINPUT_VERSION=0x0800;%(PreprocessorDefinitions) PCSX2_DEBUG;PCSX2_DEVBUILD;_SECURE_SCL_=1;%(PreprocessorDefinitions) PCSX2_DEVEL;PCSX2_DEVBUILD;NDEBUG;_SECURE_SCL_=1;%(PreprocessorDefinitions) NDEBUG;_SECURE_SCL_=0;%(PreprocessorDefinitions) @@ -305,7 +305,9 @@ + + @@ -748,6 +750,7 @@ + diff --git a/pcsx2/pcsx2.vcxproj.filters b/pcsx2/pcsx2.vcxproj.filters index ab77ed390b..f5549f5749 100644 --- a/pcsx2/pcsx2.vcxproj.filters +++ b/pcsx2/pcsx2.vcxproj.filters @@ -1664,6 +1664,12 @@ Host + + Host + + + Host + @@ -2779,6 +2785,9 @@ Host + + Host +