Add Vulkan renderer

src/qt/CMakeLists.txt

@@ -145,6 +145,9 @@ add_library(ui STATIC
     qt_unixmanagerfilter.cpp
     qt_unixmanagerfilter.hpp
 
+    qt_vulkanwindowrenderer.hpp
+    qt_vulkanwindowrenderer.cpp
+
     ../qt_resources.qrc
 )
 

src/qt/qt.c

@@ -47,6 +47,8 @@ plat_vidapi(char* api) {
         return 2;
     } else if (!strcasecmp(api, "qt_opengl3")) {
         return 3;
+    } else if (!strcasecmp(api, "qt_vulkan")) {
+        return 4;
     }
 
     return 0;
@@ -68,6 +70,9 @@ char* plat_vidapi_name(int api) {
     case 3:
         name = "qt_opengl3";
         break;
+    case 4:
+        name = "qt_vulkan";
+        break;
     default:
         fatal("Unknown renderer: %i\n", api);
         break;

src/qt/qt_hardwarerenderer.cpp

@@ -146,10 +146,7 @@ void HardwareRenderer::paintGL() {
     verts.push_back(QVector2D((float)destination.x(), (float)destination.y() + (float)destination.height()));
     verts.push_back(QVector2D((float)destination.x() + (float)destination.width(), (float)destination.y() + (float)destination.height()));
     verts.push_back(QVector2D((float)destination.x() + (float)destination.width(), (float)destination.y()));
-    texcoords.push_back(QVector2D((float)source.x() / 2048.f, (float)(source.y()) / 2048.f));
+
-    texcoords.push_back(QVector2D((float)source.x() / 2048.f, (float)(source.y() + source.height()) / 2048.f));
-    texcoords.push_back(QVector2D((float)(source.x() + source.width()) / 2048.f, (float)(source.y() + source.height()) / 2048.f));
-    texcoords.push_back(QVector2D((float)(source.x() + source.width()) / 2048.f, (float)(source.y()) / 2048.f));
     m_vbo[PROGRAM_VERTEX_ATTRIBUTE].bind(); m_vbo[PROGRAM_VERTEX_ATTRIBUTE].write(0, verts.data(), sizeof(QVector2D) * 4); m_vbo[PROGRAM_VERTEX_ATTRIBUTE].release();
     m_vbo[PROGRAM_TEXCOORD_ATTRIBUTE].bind(); m_vbo[PROGRAM_TEXCOORD_ATTRIBUTE].write(0, texcoords.data(), sizeof(QVector2D) * 4);  m_vbo[PROGRAM_TEXCOORD_ATTRIBUTE].release();
 

src/qt/qt_mainwindow.cpp

@@ -282,6 +282,7 @@ MainWindow::MainWindow(QWidget *parent) :
         vid_api = 0;
         ui->actionHardware_Renderer_OpenGL->setVisible(false);
         ui->actionHardware_Renderer_OpenGL_ES->setVisible(false);
+        ui->actionVulkan->setVisible(false);
         ui->actionOpenGL_3_0_Core->setVisible(false);
     }
 
@@ -292,6 +293,7 @@ MainWindow::MainWindow(QWidget *parent) :
     actGroup->addAction(ui->actionHardware_Renderer_OpenGL);
     actGroup->addAction(ui->actionHardware_Renderer_OpenGL_ES);
     actGroup->addAction(ui->actionOpenGL_3_0_Core);
+    actGroup->addAction(ui->actionVulkan);
     actGroup->setExclusive(true);
 
     connect(actGroup, &QActionGroup::triggered, [this](QAction* action) {
@@ -310,6 +312,9 @@ MainWindow::MainWindow(QWidget *parent) :
         case 3:
             ui->stackedWidget->switchRenderer(RendererStack::Renderer::OpenGL3);
             break;
+        case 4:
+            ui->stackedWidget->switchRenderer(RendererStack::Renderer::Vulkan);
+            break;
         }
     });
 

src/qt/qt_mainwindow.ui

@@ -54,7 +54,7 @@
      <x>0</x>
      <y>0</y>
      <width>724</width>
-     <height>22</height>
+     <height>23</height>
     </rect>
    </property>
    <widget class="QMenu" name="menuAction">
@@ -102,6 +102,7 @@
      <addaction name="actionHardware_Renderer_OpenGL"/>
      <addaction name="actionHardware_Renderer_OpenGL_ES"/>
      <addaction name="actionOpenGL_3_0_Core"/>
+     <addaction name="actionVulkan"/>
     </widget>
     <widget class="QMenu" name="menuWindow_scale_factor">
      <property name="title">
@@ -726,6 +727,17 @@
     <string>Renderer options...</string>
    </property>
   </action>
+  <action name="actionVulkan">
+   <property name="checkable">
+    <bool>true</bool>
+   </property>
+   <property name="text">
+    <string>&amp;Vulkan</string>
+   </property>
+   <property name="vid_api" stdset="0">
+    <number>4</number>
+   </property>
+  </action>
  </widget>
  <customwidgets>
   <customwidget>

src/qt/qt_renderercommon.hpp

@@ -20,6 +20,8 @@ public:
     void         onResize(int width, int height);
     virtual void finalize() { }
 
+    virtual uint32_t getBytesPerRow() { return 2048 * 4; }
+
     virtual std::vector<std::tuple<uint8_t *, std::atomic_flag *>> getBuffers() = 0;
 
     /* Does renderer implement options dialog */

src/qt/qt_rendererstack.cpp

@@ -24,6 +24,7 @@
 #include "qt_hardwarerenderer.hpp"
 #include "qt_openglrenderer.hpp"
 #include "qt_softwarerenderer.hpp"
+#include "qt_vulkanwindowrenderer.hpp"
 
 #include "qt_mainwindow.hpp"
 #include "qt_util.hpp"
@@ -284,6 +285,21 @@ RendererStack::createRenderer(Renderer renderer)
                 current.reset(this->createWindowContainer(hw, this));
                 break;
             }
+        case Renderer::Vulkan:
+        {
+            this->createWinId();
+            auto hw        = new VulkanWindowRenderer(this);
+            rendererWindow = hw;
+            connect(this, &RendererStack::blitToRenderer, hw, &VulkanWindowRenderer::onBlit, Qt::QueuedConnection);
+            connect(hw, &VulkanWindowRenderer::rendererInitialized, [=]() {
+                /* Buffers are awailable only after initialization. */
+                imagebufs = rendererWindow->getBuffers();
+                endblit();
+                emit rendererChanged();
+            });
+            current.reset(this->createWindowContainer(hw, this));
+            break;
+        }
     }
 
     current->setFocusPolicy(Qt::NoFocus);
@@ -294,7 +310,7 @@ RendererStack::createRenderer(Renderer renderer)
 
     currentBuf = 0;
 
-    if (renderer != Renderer::OpenGL3) {
+    if (renderer != Renderer::OpenGL3 && renderer != Renderer::Vulkan) {
         imagebufs = rendererWindow->getBuffers();
         endblit();
         emit rendererChanged();
@@ -315,7 +331,7 @@ RendererStack::blit(int x, int y, int w, int h)
     sh = this->h       = h;
     uint8_t *imagebits = std::get<uint8_t *>(imagebufs[currentBuf]);
     for (int y1 = y; y1 < (y + h); y1++) {
-        auto scanline = imagebits + (y1 * (2048) * 4) + (x * 4);
+        auto scanline = imagebits + (y1 * rendererWindow->getBytesPerRow()) + (x * 4);
         video_copy(scanline, &(buffer32->line[y1][x]), w * 4);
     }
 

src/qt/qt_rendererstack.hpp

@@ -44,7 +44,8 @@ public:
         Software,
         OpenGL,
         OpenGLES,
-        OpenGL3
+        OpenGL3,
+        Vulkan
     };
     void switchRenderer(Renderer renderer);
 

src/qt/qt_vulkanwindowrenderer.cpp

@@ -0,0 +1,828 @@
+#include "qt_vulkanwindowrenderer.hpp"
+
+#include <QVulkanWindowRenderer>
+#include <QVulkanDeviceFunctions>
+#include <QMessageBox>
+#include <QWindow>
+
+#include <array>
+
+#define VMA_IMPLEMENTATION
+#include "vk_mem_alloc.h"
+#include "qt_mainwindow.hpp"
+
+extern "C"
+{
+#include <86box/86box.h>
+#include <86box/video.h>
+}
+
+extern MainWindow* main_window;
+/*
+#version 450
+
+layout(location = 0) out vec2 v_texcoord;
+
+mat4 mvp = mat4(
+vec4(1.0, 0, 0, 0),
+vec4(0, 1.0, 0, 0),
+vec4(0, 0, 1.0, 0),
+vec4(0, 0, 0, 1.0)
+);
+
+// Y coordinate in Vulkan viewport space is flipped as compared to OpenGL.
+vec4 vertCoords[4] = vec4[](
+vec4(-1.0, -1.0, 0, 1),
+vec4(1.0, -1.0, 0, 1),
+vec4(-1.0, 1.0, 0, 1),
+vec4(1.0, 1.0, 0, 1)
+);
+
+layout(push_constant) uniform texCoordBuf {
+    vec2 texCoords[4];
+} texCoordUniform;
+
+out gl_PerVertex { vec4 gl_Position; };
+
+void main()
+{
+    v_texcoord = texCoordUniform.texCoords[gl_VertexIndex];
+    gl_Position = mvp * vertCoords[gl_VertexIndex];
+}
+*/
+// Compiled with glslangValidator -V
+static const uint8_t vertShaderCode[] = {
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+    0x07, 0x00, 0x00, 0x00, 0x20, 0x00, 0x04, 0x00, 0x2d, 0x00, 0x00, 0x00,
+    0x03, 0x00, 0x00, 0x00, 0x2c, 0x00, 0x00, 0x00, 0x3b, 0x00, 0x04, 0x00,
+    0x2d, 0x00, 0x00, 0x00, 0x2e, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00,
+    0x20, 0x00, 0x04, 0x00, 0x31, 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00,
+    0x07, 0x00, 0x00, 0x00, 0x20, 0x00, 0x04, 0x00, 0x35, 0x00, 0x00, 0x00,
+    0x03, 0x00, 0x00, 0x00, 0x07, 0x00, 0x00, 0x00, 0x36, 0x00, 0x05, 0x00,
+    0x02, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x03, 0x00, 0x00, 0x00, 0xf8, 0x00, 0x02, 0x00, 0x05, 0x00, 0x00, 0x00,
+    0x3e, 0x00, 0x03, 0x00, 0x0a, 0x00, 0x00, 0x00, 0x11, 0x00, 0x00, 0x00,
+    0x3e, 0x00, 0x03, 0x00, 0x16, 0x00, 0x00, 0x00, 0x1c, 0x00, 0x00, 0x00,
+    0x3d, 0x00, 0x04, 0x00, 0x24, 0x00, 0x00, 0x00, 0x28, 0x00, 0x00, 0x00,
+    0x27, 0x00, 0x00, 0x00, 0x41, 0x00, 0x06, 0x00, 0x29, 0x00, 0x00, 0x00,
+    0x2a, 0x00, 0x00, 0x00, 0x23, 0x00, 0x00, 0x00, 0x25, 0x00, 0x00, 0x00,
+    0x28, 0x00, 0x00, 0x00, 0x3d, 0x00, 0x04, 0x00, 0x1d, 0x00, 0x00, 0x00,
+    0x2b, 0x00, 0x00, 0x00, 0x2a, 0x00, 0x00, 0x00, 0x3e, 0x00, 0x03, 0x00,
+    0x1f, 0x00, 0x00, 0x00, 0x2b, 0x00, 0x00, 0x00, 0x3d, 0x00, 0x04, 0x00,
+    0x08, 0x00, 0x00, 0x00, 0x2f, 0x00, 0x00, 0x00, 0x0a, 0x00, 0x00, 0x00,
+    0x3d, 0x00, 0x04, 0x00, 0x24, 0x00, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00,
+    0x27, 0x00, 0x00, 0x00, 0x41, 0x00, 0x05, 0x00, 0x31, 0x00, 0x00, 0x00,
+    0x32, 0x00, 0x00, 0x00, 0x16, 0x00, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00,
+    0x3d, 0x00, 0x04, 0x00, 0x07, 0x00, 0x00, 0x00, 0x33, 0x00, 0x00, 0x00,
+    0x32, 0x00, 0x00, 0x00, 0x91, 0x00, 0x05, 0x00, 0x07, 0x00, 0x00, 0x00,
+    0x34, 0x00, 0x00, 0x00, 0x2f, 0x00, 0x00, 0x00, 0x33, 0x00, 0x00, 0x00,
+    0x41, 0x00, 0x05, 0x00, 0x35, 0x00, 0x00, 0x00, 0x36, 0x00, 0x00, 0x00,
+    0x2e, 0x00, 0x00, 0x00, 0x25, 0x00, 0x00, 0x00, 0x3e, 0x00, 0x03, 0x00,
+    0x36, 0x00, 0x00, 0x00, 0x34, 0x00, 0x00, 0x00, 0xfd, 0x00, 0x01, 0x00,
+    0x38, 0x00, 0x01, 0x00
+};
+
+/*
+#version 440
+
+layout(location = 0) in vec2 v_texcoord;
+
+layout(location = 0) out vec4 fragColor;
+
+layout(binding = 1) uniform sampler2D tex;
+
+void main()
+{
+    fragColor = texture(tex, v_texcoord);
+}
+*/
+
+static const uint8_t fragShaderCode[]
+{
+    0x03, 0x02, 0x23, 0x07, 0x00, 0x00, 0x01, 0x00, 0x0a, 0x00, 0x08, 0x00,
+    0x14, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x11, 0x00, 0x02, 0x00,
+    0x01, 0x00, 0x00, 0x00, 0x0b, 0x00, 0x06, 0x00, 0x01, 0x00, 0x00, 0x00,
+    0x47, 0x4c, 0x53, 0x4c, 0x2e, 0x73, 0x74, 0x64, 0x2e, 0x34, 0x35, 0x30,
+    0x00, 0x00, 0x00, 0x00, 0x0e, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x01, 0x00, 0x00, 0x00, 0x0f, 0x00, 0x07, 0x00, 0x04, 0x00, 0x00, 0x00,
+    0x04, 0x00, 0x00, 0x00, 0x6d, 0x61, 0x69, 0x6e, 0x00, 0x00, 0x00, 0x00,
+    0x09, 0x00, 0x00, 0x00, 0x11, 0x00, 0x00, 0x00, 0x10, 0x00, 0x03, 0x00,
+    0x04, 0x00, 0x00, 0x00, 0x07, 0x00, 0x00, 0x00, 0x03, 0x00, 0x03, 0x00,
+    0x02, 0x00, 0x00, 0x00, 0xb8, 0x01, 0x00, 0x00, 0x05, 0x00, 0x04, 0x00,
+    0x04, 0x00, 0x00, 0x00, 0x6d, 0x61, 0x69, 0x6e, 0x00, 0x00, 0x00, 0x00,
+    0x05, 0x00, 0x05, 0x00, 0x09, 0x00, 0x00, 0x00, 0x66, 0x72, 0x61, 0x67,
+    0x43, 0x6f, 0x6c, 0x6f, 0x72, 0x00, 0x00, 0x00, 0x05, 0x00, 0x03, 0x00,
+    0x0d, 0x00, 0x00, 0x00, 0x74, 0x65, 0x78, 0x00, 0x05, 0x00, 0x05, 0x00,
+    0x11, 0x00, 0x00, 0x00, 0x76, 0x5f, 0x74, 0x65, 0x78, 0x63, 0x6f, 0x6f,
+    0x72, 0x64, 0x00, 0x00, 0x47, 0x00, 0x04, 0x00, 0x09, 0x00, 0x00, 0x00,
+    0x1e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x47, 0x00, 0x04, 0x00,
+    0x0d, 0x00, 0x00, 0x00, 0x22, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x47, 0x00, 0x04, 0x00, 0x0d, 0x00, 0x00, 0x00, 0x21, 0x00, 0x00, 0x00,
+    0x01, 0x00, 0x00, 0x00, 0x47, 0x00, 0x04, 0x00, 0x11, 0x00, 0x00, 0x00,
+    0x1e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x13, 0x00, 0x02, 0x00,
+    0x02, 0x00, 0x00, 0x00, 0x21, 0x00, 0x03, 0x00, 0x03, 0x00, 0x00, 0x00,
+    0x02, 0x00, 0x00, 0x00, 0x16, 0x00, 0x03, 0x00, 0x06, 0x00, 0x00, 0x00,
+    0x20, 0x00, 0x00, 0x00, 0x17, 0x00, 0x04, 0x00, 0x07, 0x00, 0x00, 0x00,
+    0x06, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x20, 0x00, 0x04, 0x00,
+    0x08, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x07, 0x00, 0x00, 0x00,
+    0x3b, 0x00, 0x04, 0x00, 0x08, 0x00, 0x00, 0x00, 0x09, 0x00, 0x00, 0x00,
+    0x03, 0x00, 0x00, 0x00, 0x19, 0x00, 0x09, 0x00, 0x0a, 0x00, 0x00, 0x00,
+    0x06, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x1b, 0x00, 0x03, 0x00, 0x0b, 0x00, 0x00, 0x00,
+    0x0a, 0x00, 0x00, 0x00, 0x20, 0x00, 0x04, 0x00, 0x0c, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x0b, 0x00, 0x00, 0x00, 0x3b, 0x00, 0x04, 0x00,
+    0x0c, 0x00, 0x00, 0x00, 0x0d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x17, 0x00, 0x04, 0x00, 0x0f, 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00,
+    0x02, 0x00, 0x00, 0x00, 0x20, 0x00, 0x04, 0x00, 0x10, 0x00, 0x00, 0x00,
+    0x01, 0x00, 0x00, 0x00, 0x0f, 0x00, 0x00, 0x00, 0x3b, 0x00, 0x04, 0x00,
+    0x10, 0x00, 0x00, 0x00, 0x11, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
+    0x36, 0x00, 0x05, 0x00, 0x02, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0xf8, 0x00, 0x02, 0x00,
+    0x05, 0x00, 0x00, 0x00, 0x3d, 0x00, 0x04, 0x00, 0x0b, 0x00, 0x00, 0x00,
+    0x0e, 0x00, 0x00, 0x00, 0x0d, 0x00, 0x00, 0x00, 0x3d, 0x00, 0x04, 0x00,
+    0x0f, 0x00, 0x00, 0x00, 0x12, 0x00, 0x00, 0x00, 0x11, 0x00, 0x00, 0x00,
+    0x57, 0x00, 0x05, 0x00, 0x07, 0x00, 0x00, 0x00, 0x13, 0x00, 0x00, 0x00,
+    0x0e, 0x00, 0x00, 0x00, 0x12, 0x00, 0x00, 0x00, 0x3e, 0x00, 0x03, 0x00,
+    0x09, 0x00, 0x00, 0x00, 0x13, 0x00, 0x00, 0x00, 0xfd, 0x00, 0x01, 0x00,
+    0x38, 0x00, 0x01, 0x00
+};
+
+class VulkanRenderer : public QVulkanWindowRenderer
+{
+    VulkanWindowRenderer* m_window{nullptr};
+    QVulkanDeviceFunctions* m_devFuncs{nullptr};
+    VmaAllocator allocator{nullptr};
+    VmaAllocation allocation{nullptr};
+    VkImage image{nullptr};
+    VkImageView imageView{nullptr};
+    VkPipeline pipeline{nullptr};
+    VkPipelineLayout pipelineLayout{nullptr};
+    VkDescriptorSetLayout descLayout{nullptr};
+    VkDescriptorPool descPool{nullptr};
+    VkDescriptorSet descSet{nullptr};
+    VkSampler sampler{nullptr}, nearestSampler{nullptr};
+    bool imageLayoutTransitioned{false};
+    int cur_video_filter_method = -1;
+private:
+    void updateOptions() {
+        VkResult res;
+        if (cur_video_filter_method == video_filter_method) return;
+        if (!descPool) {
+        VkDescriptorPoolSize descSize{};
+        descSize.type = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
+        descSize.descriptorCount = 2;
+
+        VkDescriptorPoolCreateInfo poolInfo{};
+        poolInfo.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO;
+        poolInfo.poolSizeCount = 1;
+        poolInfo.pPoolSizes = &descSize;
+        poolInfo.maxSets = 2;
+
+        if ((res = m_devFuncs->vkCreateDescriptorPool(m_window->device(), &poolInfo, nullptr, &descPool)) != VK_SUCCESS) {
+            QMessageBox::critical(main_window, "86Box", "Could not create descriptor pool. Switch to another renderer. " + Vulkan_GetResultString(res));
+            return;
+        }
+
+        VkDescriptorSetAllocateInfo allocInfo{};
+        allocInfo.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO;
+        allocInfo.descriptorPool = descPool;
+        allocInfo.descriptorSetCount = 1;
+        allocInfo.pSetLayouts = &descLayout;
+
+        if ((res = m_devFuncs->vkAllocateDescriptorSets(m_window->device(), &allocInfo, &descSet)) != VK_SUCCESS) {
+            QMessageBox::critical(main_window, "86Box", "Could not create descriptor set. Switch to another renderer. " + Vulkan_GetResultString(res));
+            return;
+        }}
+        VkDescriptorImageInfo imageDescInfo{};
+        imageDescInfo.imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
+        imageDescInfo.imageView = imageView;
+        imageDescInfo.sampler = video_filter_method == 0 ? nearestSampler : sampler;
+
+        VkWriteDescriptorSet descWrite{};
+        descWrite.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
+        descWrite.dstSet = descSet;
+        descWrite.dstBinding = 1;
+        descWrite.dstArrayElement = 0;
+        descWrite.descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
+        descWrite.descriptorCount = 1;
+        descWrite.pImageInfo = &imageDescInfo;
+
+        m_devFuncs->vkUpdateDescriptorSets(m_window->device(), 1, &descWrite, 0, nullptr);
+        cur_video_filter_method = video_filter_method;
+    }
+public:
+    void* mappedPtr = nullptr;
+    uint32_t imagePitch{2048 * 4};
+    VulkanRenderer(VulkanWindowRenderer *w) : m_window(w), m_devFuncs(nullptr) { }
+
+    void initResources() override
+    {
+        VmaAllocatorCreateInfo info{};
+        info.instance = m_window->vulkanInstance()->vkInstance();
+        info.device = m_window->device();
+        info.physicalDevice = m_window->physicalDevice();
+        VmaVulkanFunctions funcs{};
+        funcs.vkGetInstanceProcAddr = (PFN_vkGetInstanceProcAddr)m_window->vulkanInstance()->getInstanceProcAddr("vkGetInstanceProcAddr");
+        funcs.vkGetDeviceProcAddr = (PFN_vkGetDeviceProcAddr)m_window->vulkanInstance()->getInstanceProcAddr("vkGetDeviceProcAddr");
+        info.pVulkanFunctions = &funcs;
+        if (vmaCreateAllocator(&info, &allocator) != VK_SUCCESS) {
+            QMessageBox::critical(main_window, "86Box", "Could not create Vulkan allocator. Switch to another renderer");
+            return;
+        }
+
+        m_devFuncs = m_window->vulkanInstance()->deviceFunctions(m_window->device());
+
+        VkResult res;
+        VkImageCreateInfo imageInfo{};
+        imageInfo.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO;
+        imageInfo.imageType = VK_IMAGE_TYPE_2D;
+        imageInfo.format = VK_FORMAT_B8G8R8A8_UNORM;
+        imageInfo.extent.width = imageInfo.extent.height = 2048;
+        imageInfo.extent.depth = imageInfo.arrayLayers = imageInfo.mipLevels = 1;
+        imageInfo.tiling = VK_IMAGE_TILING_LINEAR;
+        imageInfo.usage = VK_IMAGE_USAGE_TRANSFER_SRC_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_SAMPLED_BIT;
+        imageInfo.samples = VK_SAMPLE_COUNT_1_BIT;
+        imageInfo.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
+        imageInfo.initialLayout = VK_IMAGE_LAYOUT_PREINITIALIZED;
+
+        VmaAllocationInfo allocatedInfo{};
+        VmaAllocationCreateInfo allocInfo{};
+        allocInfo.pUserData = allocInfo.pool = nullptr;
+        allocInfo.requiredFlags = allocInfo.preferredFlags = 0;
+        allocInfo.usage = VmaMemoryUsage::VMA_MEMORY_USAGE_UNKNOWN;
+        allocInfo.flags = VMA_ALLOCATION_CREATE_HOST_ACCESS_RANDOM_BIT |
+            VMA_ALLOCATION_CREATE_MAPPED_BIT;
+
+        if ((res = vmaCreateImage(allocator, &imageInfo, &allocInfo, &image, &allocation, &allocatedInfo)) != VK_SUCCESS) {
+            QMessageBox::critical(main_window, "86Box", "Could not create Vulkan image. Switch to another renderer. " + Vulkan_GetResultString(res));
+            return;
+        };
+
+        VkImageViewCreateInfo imageViewInfo{};
+        imageViewInfo.viewType = VK_IMAGE_VIEW_TYPE_2D;
+        imageViewInfo.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
+        imageViewInfo.format = VK_FORMAT_B8G8R8A8_UNORM;
+        imageViewInfo.image = image;
+        imageViewInfo.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
+        imageViewInfo.subresourceRange.baseMipLevel = 0;
+        imageViewInfo.subresourceRange.levelCount = 1;
+        imageViewInfo.subresourceRange.baseArrayLayer = 0;
+        imageViewInfo.subresourceRange.layerCount = 1;
+
+        if ((res = m_devFuncs->vkCreateImageView(m_window->device(), &imageViewInfo, nullptr, &imageView)) != VK_SUCCESS) {
+            QMessageBox::critical(main_window, "86Box", "Could not create Vulkan image view. Switch to another renderer. " + Vulkan_GetResultString(res));
+            return;
+        }
+
+        // Begin Pipeline creation.
+        {
+            VkPipelineVertexInputStateCreateInfo vertexInputInfo{};
+            vertexInputInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO;
+            vertexInputInfo.vertexBindingDescriptionCount = 0;
+            vertexInputInfo.pVertexBindingDescriptions = nullptr;
+            vertexInputInfo.vertexAttributeDescriptionCount = 0;
+            vertexInputInfo.pVertexAttributeDescriptions = nullptr;
+
+            VkPipelineInputAssemblyStateCreateInfo inputAssembly{};
+            inputAssembly.sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO;
+            inputAssembly.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_STRIP;
+            inputAssembly.primitiveRestartEnable = VK_FALSE;
+
+            VkRect2D scissor{};
+            scissor.offset = {0, 0};
+            scissor.extent = {2048, 2048};
+
+            VkViewport viewport{};
+            viewport.x = m_window->destination.x();
+            viewport.y = m_window->destination.y();
+            viewport.width = (float)m_window->destination.width();
+            viewport.height = (float)m_window->destination.height();
+            viewport.minDepth = 0.0f;
+            viewport.maxDepth = 1.0f;
+
+            VkPipelineViewportStateCreateInfo viewportState{};
+            viewportState.sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO;
+            viewportState.viewportCount = 1;
+            viewportState.pViewports = &viewport;
+            viewportState.scissorCount = 1;
+            viewportState.pScissors = &scissor;
+
+            VkPipelineRasterizationStateCreateInfo rasterizer{};
+            rasterizer.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO;
+            rasterizer.depthClampEnable = VK_FALSE;
+            rasterizer.rasterizerDiscardEnable = VK_FALSE;
+            rasterizer.polygonMode = VK_POLYGON_MODE_FILL;
+            rasterizer.lineWidth = 1.0f;
+            rasterizer.cullMode = VK_CULL_MODE_NONE;
+            rasterizer.frontFace = VK_FRONT_FACE_CLOCKWISE;
+            rasterizer.depthBiasEnable = VK_FALSE;
+            rasterizer.depthBiasConstantFactor = 0.0f;
+            rasterizer.depthBiasClamp = 0.0f;
+            rasterizer.depthBiasSlopeFactor = 0.0f;
+
+            VkPipelineMultisampleStateCreateInfo multisampling{};
+            multisampling.sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO;
+            multisampling.sampleShadingEnable = VK_FALSE;
+            multisampling.rasterizationSamples = VK_SAMPLE_COUNT_1_BIT;
+            multisampling.minSampleShading = 1.0f;
+            multisampling.pSampleMask = nullptr;
+            multisampling.alphaToCoverageEnable = VK_FALSE;
+            multisampling.alphaToOneEnable = VK_FALSE;
+
+            VkPipelineColorBlendAttachmentState colorBlendAttachment{};
+            colorBlendAttachment.colorWriteMask = VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT | VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT;
+            colorBlendAttachment.blendEnable = VK_FALSE;
+            colorBlendAttachment.srcColorBlendFactor = VK_BLEND_FACTOR_ONE;
+            colorBlendAttachment.dstColorBlendFactor = VK_BLEND_FACTOR_ZERO;
+            colorBlendAttachment.colorBlendOp = VK_BLEND_OP_ADD;
+            colorBlendAttachment.srcAlphaBlendFactor = VK_BLEND_FACTOR_ONE;
+            colorBlendAttachment.dstAlphaBlendFactor = VK_BLEND_FACTOR_ZERO;
+            colorBlendAttachment.alphaBlendOp = VK_BLEND_OP_ADD;
+
+            VkPipelineColorBlendStateCreateInfo colorBlending{};
+            colorBlending.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO;
+            colorBlending.logicOpEnable = VK_FALSE;
+            colorBlending.logicOp = VK_LOGIC_OP_COPY;
+            colorBlending.attachmentCount = 1;
+            colorBlending.pAttachments = &colorBlendAttachment;
+            colorBlending.blendConstants[0] = 0.0f;
+            colorBlending.blendConstants[1] = 0.0f;
+            colorBlending.blendConstants[2] = 0.0f;
+            colorBlending.blendConstants[3] = 0.0f;
+
+            VkDynamicState dynState = VK_DYNAMIC_STATE_VIEWPORT;
+            VkPipelineDynamicStateCreateInfo dynamicState{};
+            dynamicState.sType = VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO;
+            dynamicState.dynamicStateCount = 1;
+            dynamicState.pDynamicStates = &dynState;
+
+            VkPushConstantRange range{};
+            range.offset = 0;
+            range.size = sizeof(float) * 8;
+            range.stageFlags = VK_SHADER_STAGE_VERTEX_BIT;
+
+            // Sampler binding start.
+            VkDescriptorSetLayoutBinding samplerLayoutBinding{};
+            samplerLayoutBinding.binding = 1;
+            samplerLayoutBinding.descriptorCount = 1;
+            samplerLayoutBinding.descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
+            samplerLayoutBinding.pImmutableSamplers = nullptr;
+            samplerLayoutBinding.stageFlags = VK_SHADER_STAGE_FRAGMENT_BIT;
+
+            VkDescriptorSetLayoutCreateInfo layoutInfo{};
+            layoutInfo.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO;
+            layoutInfo.bindingCount = 1;
+            layoutInfo.pBindings = &samplerLayoutBinding;
+
+            if ((res = m_devFuncs->vkCreateDescriptorSetLayout(m_window->device(), &layoutInfo, nullptr, &descLayout))) {
+                QMessageBox::critical(main_window, "86Box", "Could not create descriptor set layout. Switch to another renderer. " + Vulkan_GetResultString(res));
+                return;
+            }
+            // Sampler binding end.
+
+            VkPipelineLayoutCreateInfo pipelineLayoutInfo{};
+            pipelineLayoutInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO;
+            pipelineLayoutInfo.setLayoutCount = 1;
+            pipelineLayoutInfo.pSetLayouts = &descLayout;
+            pipelineLayoutInfo.pushConstantRangeCount = 1;
+            pipelineLayoutInfo.pPushConstantRanges = &range;
+
+            if ((res = m_devFuncs->vkCreatePipelineLayout(m_window->device(), &pipelineLayoutInfo, nullptr, &pipelineLayout)) != VK_SUCCESS) {
+                QMessageBox::critical(main_window, "86Box", "Could not create pipeline layout. Switch to another renderer. " + Vulkan_GetResultString(res));
+                return;
+            }
+
+            // Shader loading start.
+            VkShaderModuleCreateInfo createInfo{};
+            createInfo.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO;
+            createInfo.codeSize = sizeof(vertShaderCode);
+            createInfo.pCode = (uint32_t*)vertShaderCode;
+            VkShaderModule vertModule{nullptr}, fragModule{nullptr};
+            if ((res = m_devFuncs->vkCreateShaderModule(m_window->device(), &createInfo, nullptr, &vertModule)) != VK_SUCCESS) {
+                QMessageBox::critical(main_window, "86Box", "Could not create vertex shader. Switch to another renderer. " + Vulkan_GetResultString(res));
+                return;
+            }
+
+            createInfo.codeSize = sizeof(fragShaderCode);
+            createInfo.pCode = (uint32_t*)fragShaderCode;
+            if ((res = m_devFuncs->vkCreateShaderModule(m_window->device(), &createInfo, nullptr, &fragModule)) != VK_SUCCESS) {
+                QMessageBox::critical(main_window, "86Box", "Could not create fragment shader. Switch to another renderer. " + Vulkan_GetResultString(res));
+                return;
+            }
+
+            VkPipelineShaderStageCreateInfo vertShaderStageInfo{};
+            vertShaderStageInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
+            vertShaderStageInfo.stage = VK_SHADER_STAGE_VERTEX_BIT;
+            vertShaderStageInfo.module = vertModule;
+            vertShaderStageInfo.pName = "main";
+
+            VkPipelineShaderStageCreateInfo fragShaderStageInfo{vertShaderStageInfo};
+            fragShaderStageInfo.stage = VK_SHADER_STAGE_FRAGMENT_BIT;
+            fragShaderStageInfo.module = fragModule;
+
+            VkPipelineShaderStageCreateInfo shaderStages[] = {vertShaderStageInfo, fragShaderStageInfo};
+            // Shader loading end.
+
+            VkPipelineDepthStencilStateCreateInfo depthInfo{};
+            depthInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO;
+            depthInfo.pNext = nullptr;
+            depthInfo.depthTestEnable = VK_FALSE;
+            depthInfo.depthWriteEnable = VK_TRUE;
+            depthInfo.depthBoundsTestEnable = VK_FALSE;
+            depthInfo.depthCompareOp = VK_COMPARE_OP_ALWAYS;
+            depthInfo.stencilTestEnable = VK_FALSE;
+            depthInfo.maxDepthBounds = 1.0f;
+
+            VkGraphicsPipelineCreateInfo pipelineInfo{};
+            pipelineInfo.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO;
+            pipelineInfo.stageCount = 2;
+            pipelineInfo.pStages = shaderStages;
+            pipelineInfo.pVertexInputState = &vertexInputInfo;
+            pipelineInfo.pInputAssemblyState = &inputAssembly;
+            pipelineInfo.pViewportState = &viewportState;
+            pipelineInfo.pRasterizationState = &rasterizer;
+            pipelineInfo.pMultisampleState = &multisampling;
+            pipelineInfo.pDepthStencilState = &depthInfo;
+            pipelineInfo.pColorBlendState = &colorBlending;
+            pipelineInfo.pDynamicState = &dynamicState;
+            pipelineInfo.layout = pipelineLayout;
+            pipelineInfo.renderPass = m_window->defaultRenderPass();
+            pipelineInfo.subpass = 0;
+            pipelineInfo.basePipelineHandle = VK_NULL_HANDLE;
+            pipelineInfo.basePipelineIndex = -1;
+
+            if ((res = m_devFuncs->vkCreateGraphicsPipelines(m_window->device(), VK_NULL_HANDLE, 1, &pipelineInfo, nullptr, &pipeline)) != VK_SUCCESS) {
+                m_devFuncs->vkDestroyShaderModule(m_window->device(), vertModule, nullptr);
+                m_devFuncs->vkDestroyShaderModule(m_window->device(), fragModule, nullptr);
+                QMessageBox::critical(main_window, "86Box", "Could not create graphics pipeline. Switch to another renderer. " + Vulkan_GetResultString(res));
+                return;
+            }
+            m_devFuncs->vkDestroyShaderModule(m_window->device(), vertModule, nullptr);
+            m_devFuncs->vkDestroyShaderModule(m_window->device(), fragModule, nullptr);
+        }
+
+        VkSamplerCreateInfo samplerInfo{};
+        samplerInfo.sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO;
+        samplerInfo.magFilter = VK_FILTER_LINEAR;
+        samplerInfo.minFilter = VK_FILTER_LINEAR;
+        samplerInfo.addressModeU = VK_SAMPLER_ADDRESS_MODE_REPEAT;
+        samplerInfo.addressModeV = VK_SAMPLER_ADDRESS_MODE_REPEAT;
+        samplerInfo.addressModeW = VK_SAMPLER_ADDRESS_MODE_REPEAT;
+        samplerInfo.anisotropyEnable = VK_FALSE;
+        samplerInfo.borderColor = VK_BORDER_COLOR_FLOAT_TRANSPARENT_BLACK;
+        samplerInfo.unnormalizedCoordinates = VK_FALSE;
+        samplerInfo.compareEnable = VK_TRUE;
+        samplerInfo.compareOp = VK_COMPARE_OP_ALWAYS;
+        samplerInfo.mipmapMode = VK_SAMPLER_MIPMAP_MODE_LINEAR;
+        samplerInfo.mipLodBias = 0.0f;
+        samplerInfo.minLod = 0.0f;
+        samplerInfo.maxLod = 0.25f;
+
+        if ((res = m_devFuncs->vkCreateSampler(m_window->device(), &samplerInfo, nullptr, &sampler)) != VK_SUCCESS) {
+            QMessageBox::critical(main_window, "86Box", "Could not create linear image sampler. Switch to another renderer. " + Vulkan_GetResultString(res));
+            return;
+        }
+
+        samplerInfo.magFilter = samplerInfo.minFilter = VK_FILTER_NEAREST;
+        samplerInfo.mipmapMode = VK_SAMPLER_MIPMAP_MODE_NEAREST;
+
+        if ((res = m_devFuncs->vkCreateSampler(m_window->device(), &samplerInfo, nullptr, &nearestSampler)) != VK_SUCCESS) {
+            QMessageBox::critical(main_window, "86Box", "Could not create nearest image sampler. Switch to another renderer. " + Vulkan_GetResultString(res));
+            return;
+        }
+
+        updateOptions();
+
+        VkImageSubresource resource{};
+        resource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
+        resource.arrayLayer = 0;
+        resource.mipLevel = 0;
+        VkSubresourceLayout layout{};
+        m_devFuncs->vkGetImageSubresourceLayout(m_window->device(), image, &resource, &layout);
+
+        imagePitch = layout.rowPitch;
+        mappedPtr = (uint8_t*)allocatedInfo.pMappedData + layout.offset;
+        emit m_window->rendererInitialized();
+    }
+
+    void releaseResources() override
+    {
+        if (pipeline) m_devFuncs->vkDestroyPipeline(m_window->device(), pipeline, nullptr);
+        if (pipelineLayout) m_devFuncs->vkDestroyPipelineLayout(m_window->device(), pipelineLayout, nullptr);
+        if (descSet) m_devFuncs->vkDestroyDescriptorPool(m_window->device(), descPool, nullptr);
+        if (descLayout) m_devFuncs->vkDestroyDescriptorSetLayout(m_window->device(), descLayout, nullptr);
+        if (imageView) m_devFuncs->vkDestroyImageView(m_window->device(), imageView, nullptr);
+        if (image) vmaDestroyImage(allocator, image, allocation);
+        if (sampler) m_devFuncs->vkDestroySampler(m_window->device(), sampler, nullptr);
+        if (nearestSampler) m_devFuncs->vkDestroySampler(m_window->device(), nearestSampler, nullptr);
+        image = nullptr;
+        pipeline = nullptr;
+        pipelineLayout = nullptr;
+        imageView = nullptr;
+        descLayout = nullptr;
+        descPool = nullptr;
+        descSet = nullptr;
+        sampler = nullptr;
+        vmaDestroyAllocator(allocator);
+        allocator = nullptr;
+    }
+
+    QString Vulkan_GetResultString(VkResult result)
+    {
+        switch ((int)result) {
+            case VK_SUCCESS:
+                return "VK_SUCCESS";
+            case VK_NOT_READY:
+                return "VK_NOT_READY";
+            case VK_TIMEOUT:
+                return "VK_TIMEOUT";
+            case VK_EVENT_SET:
+                return "VK_EVENT_SET";
+            case VK_EVENT_RESET:
+                return "VK_EVENT_RESET";
+            case VK_INCOMPLETE:
+                return "VK_INCOMPLETE";
+            case VK_ERROR_OUT_OF_HOST_MEMORY:
+                return "VK_ERROR_OUT_OF_HOST_MEMORY";
+            case VK_ERROR_OUT_OF_DEVICE_MEMORY:
+                return "VK_ERROR_OUT_OF_DEVICE_MEMORY";
+            case VK_ERROR_INITIALIZATION_FAILED:
+                return "VK_ERROR_INITIALIZATION_FAILED";
+            case VK_ERROR_DEVICE_LOST:
+                return "VK_ERROR_DEVICE_LOST";
+            case VK_ERROR_MEMORY_MAP_FAILED:
+                return "VK_ERROR_MEMORY_MAP_FAILED";
+            case VK_ERROR_LAYER_NOT_PRESENT:
+                return "VK_ERROR_LAYER_NOT_PRESENT";
+            case VK_ERROR_EXTENSION_NOT_PRESENT:
+                return "VK_ERROR_EXTENSION_NOT_PRESENT";
+            case VK_ERROR_FEATURE_NOT_PRESENT:
+                return "VK_ERROR_FEATURE_NOT_PRESENT";
+            case VK_ERROR_INCOMPATIBLE_DRIVER:
+                return "VK_ERROR_INCOMPATIBLE_DRIVER";
+            case VK_ERROR_TOO_MANY_OBJECTS:
+                return "VK_ERROR_TOO_MANY_OBJECTS";
+            case VK_ERROR_FORMAT_NOT_SUPPORTED:
+                return "VK_ERROR_FORMAT_NOT_SUPPORTED";
+            case VK_ERROR_FRAGMENTED_POOL:
+                return "VK_ERROR_FRAGMENTED_POOL";
+            case VK_ERROR_UNKNOWN:
+                return "VK_ERROR_UNKNOWN";
+            case VK_ERROR_OUT_OF_POOL_MEMORY:
+                return "VK_ERROR_OUT_OF_POOL_MEMORY";
+            case VK_ERROR_INVALID_EXTERNAL_HANDLE:
+                return "VK_ERROR_INVALID_EXTERNAL_HANDLE";
+            case VK_ERROR_FRAGMENTATION:
+                return "VK_ERROR_FRAGMENTATION";
+            case VK_ERROR_INVALID_OPAQUE_CAPTURE_ADDRESS:
+                return "VK_ERROR_INVALID_OPAQUE_CAPTURE_ADDRESS";
+            case VK_ERROR_SURFACE_LOST_KHR:
+                return "VK_ERROR_SURFACE_LOST_KHR";
+            case VK_ERROR_NATIVE_WINDOW_IN_USE_KHR:
+                return "VK_ERROR_NATIVE_WINDOW_IN_USE_KHR";
+            case VK_SUBOPTIMAL_KHR:
+                return "VK_SUBOPTIMAL_KHR";
+            case VK_ERROR_OUT_OF_DATE_KHR:
+                return "VK_ERROR_OUT_OF_DATE_KHR";
+            case VK_ERROR_INCOMPATIBLE_DISPLAY_KHR:
+                return "VK_ERROR_INCOMPATIBLE_DISPLAY_KHR";
+            case VK_ERROR_VALIDATION_FAILED_EXT:
+                return "VK_ERROR_VALIDATION_FAILED_EXT";
+            case VK_ERROR_INVALID_SHADER_NV:
+                return "VK_ERROR_INVALID_SHADER_NV";
+#if VK_HEADER_VERSION >= 135 && VK_HEADER_VERSION < 162
+            case VK_ERROR_INCOMPATIBLE_VERSION_KHR:
+                return "VK_ERROR_INCOMPATIBLE_VERSION_KHR";
+#endif
+            case VK_ERROR_INVALID_DRM_FORMAT_MODIFIER_PLANE_LAYOUT_EXT:
+                return "VK_ERROR_INVALID_DRM_FORMAT_MODIFIER_PLANE_LAYOUT_EXT";
+            case VK_ERROR_NOT_PERMITTED_EXT:
+                return "VK_ERROR_NOT_PERMITTED_EXT";
+            case VK_ERROR_FULL_SCREEN_EXCLUSIVE_MODE_LOST_EXT:
+                return "VK_ERROR_FULL_SCREEN_EXCLUSIVE_MODE_LOST_EXT";
+            case VK_THREAD_IDLE_KHR:
+                return "VK_THREAD_IDLE_KHR";
+            case VK_THREAD_DONE_KHR:
+                return "VK_THREAD_DONE_KHR";
+            case VK_OPERATION_DEFERRED_KHR:
+                return "VK_OPERATION_DEFERRED_KHR";
+            case VK_OPERATION_NOT_DEFERRED_KHR:
+                return "VK_OPERATION_NOT_DEFERRED_KHR";
+            case VK_PIPELINE_COMPILE_REQUIRED_EXT:
+                return "VK_PIPELINE_COMPILE_REQUIRED_EXT";
+            default:
+                break;
+        }
+        if (result < 0) {
+            return "VK_ERROR_<Unknown>";
+        }
+        return "VK_<Unknown>";
+    }
+
+    void startNextFrame() override
+    {
+        VkClearValue values[2];
+        auto cmdBufs = m_window->currentCommandBuffer();
+        memset(values, 0, sizeof(values));
+        VkRenderPassBeginInfo info{};
+        VkSubpassDependency deps{};
+        info.pClearValues = values;
+        info.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO;
+        info.framebuffer = m_window->currentFramebuffer();
+        info.renderArea = VkRect2D{{0, 0}, {(uint32_t)m_window->swapChainImageSize().width(), (uint32_t)m_window->swapChainImageSize().height()}};
+        info.clearValueCount = 2;
+        info.renderPass = m_window->defaultRenderPass();
+
+        updateOptions();
+        if (!imageLayoutTransitioned) {
+            VkPipelineStageFlags srcflags = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT | VK_PIPELINE_STAGE_HOST_BIT, dstflags = VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT;
+
+            VkImageMemoryBarrier barrier{};
+            barrier.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER;
+            barrier.image = image;
+            barrier.oldLayout = VK_IMAGE_LAYOUT_PREINITIALIZED;
+            barrier.newLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
+            barrier.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
+            barrier.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
+            barrier.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
+            barrier.subresourceRange.baseMipLevel = 0;
+            barrier.subresourceRange.levelCount = 1;
+            barrier.subresourceRange.baseArrayLayer = 0;
+            barrier.subresourceRange.layerCount = 1;
+            barrier.srcAccessMask = VK_ACCESS_HOST_WRITE_BIT;
+            barrier.dstAccessMask = VK_ACCESS_SHADER_READ_BIT;
+
+            m_devFuncs->vkCmdPipelineBarrier(cmdBufs, srcflags, dstflags, 0, 0, nullptr, 0, nullptr, 1, &barrier);
+            imageLayoutTransitioned = true;
+            return m_window->frameReady();
+        }
+        VkViewport viewport{};
+        viewport.x = m_window->destination.x();
+        viewport.y = m_window->destination.y();
+        viewport.width = (float)m_window->destination.width();
+        viewport.height = (float)m_window->destination.height();
+        viewport.minDepth = 0.0f;
+        viewport.maxDepth = 1.0f;
+        m_devFuncs->vkCmdSetViewport(cmdBufs, 0, 1, &viewport);
+        m_devFuncs->vkCmdBeginRenderPass(m_window->currentCommandBuffer(), &info, VK_SUBPASS_CONTENTS_INLINE);
+        m_devFuncs->vkCmdBindPipeline(cmdBufs, VkPipelineBindPoint::VK_PIPELINE_BIND_POINT_GRAPHICS, pipeline);
+        m_devFuncs->vkCmdBindDescriptorSets(cmdBufs, VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayout, 0, 1, &descSet, 0, nullptr);
+        std::array<QVector2D, 4> texcoords;
+        auto source = m_window->source;
+        texcoords[0] = (QVector2D((float)source.x() / 2048.f, (float)(source.y()) / 2048.f));
+        texcoords[2] = (QVector2D((float)source.x() / 2048.f, (float)(source.y() + source.height()) / 2048.f));
+        texcoords[1] = (QVector2D((float)(source.x() + source.width()) / 2048.f, (float)(source.y()) / 2048.f));
+        texcoords[3] = (QVector2D((float)(source.x() + source.width()) / 2048.f, (float)(source.y() + source.height()) / 2048.f));
+        m_devFuncs->vkCmdPushConstants(cmdBufs, pipelineLayout, VK_SHADER_STAGE_VERTEX_BIT, 0, sizeof(QVector2D) * 4, texcoords.data());
+        m_devFuncs->vkCmdDraw(cmdBufs, 4, 1, 0, 0);
+        m_devFuncs->vkCmdEndRenderPass(cmdBufs);
+
+        m_window->frameReady();
+        m_devFuncs->vkDeviceWaitIdle(m_window->device());
+    }
+};
+
+VulkanWindowRenderer::VulkanWindowRenderer(QWidget* parent)
+    : QVulkanWindow(parent->windowHandle())
+{
+    parentWidget = parent;
+    instance.setLayers(QByteArrayList() << "VK_LAYER_KHRONOS_validation");
+    instance.setExtensions(QByteArrayList() << "VK_EXT_debug_report");
+    instance.create();
+    qDebug() << instance.layers();
+    setVulkanInstance(&instance);
+    setFlags(Flag::PersistentResources);
+    buf_usage = std::vector<std::atomic_flag>(1);
+    buf_usage[0].clear();
+}
+
+QVulkanWindowRenderer* VulkanWindowRenderer::createRenderer()
+{
+    renderer = new VulkanRenderer(this);
+    return renderer;
+}
+
+void VulkanWindowRenderer::resizeEvent(QResizeEvent *event) {
+    onResize(width(), height());
+
+    QVulkanWindow::resizeEvent(event);
+}
+
+bool VulkanWindowRenderer::event(QEvent *event)
+{
+    bool res = false;
+    if (!eventDelegate(event, res)) return QVulkanWindow::event(event);
+    return res;
+}
+
+void VulkanWindowRenderer::onBlit(int buf_idx, int x, int y, int w, int h)
+{
+    source.setRect(x, y, w, h);
+    if (isExposed()) requestUpdate();
+    buf_usage[0].clear();
+}
+
+uint32_t VulkanWindowRenderer::getBytesPerRow()
+{
+    return renderer->imagePitch;
+}
+
+std::vector<std::tuple<uint8_t *, std::atomic_flag *>> VulkanWindowRenderer::getBuffers()
+{
+    return std::vector{std::make_tuple((uint8_t*)renderer->mappedPtr, &this->buf_usage[0])};
+}

src/qt/qt_vulkanwindowrenderer.hpp

@@ -0,0 +1,34 @@
+#ifndef VULKANWINDOWRENDERER_HPP
+#define VULKANWINDOWRENDERER_HPP
+
+#include <QVulkanWindow>
+
+#include "qt_renderercommon.hpp"
+
+class VulkanRenderer;
+
+class VulkanWindowRenderer : public QVulkanWindow, public RendererCommon
+{
+    Q_OBJECT
+public:
+    VulkanWindowRenderer(QWidget* parent);
+public slots:
+    void onBlit(int buf_idx, int x, int y, int w, int h);
+signals:
+    void rendererInitialized();
+protected:
+    virtual std::vector<std::tuple<uint8_t *, std::atomic_flag *>> getBuffers() override;
+    void resizeEvent(QResizeEvent*) override;
+    bool event(QEvent*) override;
+    uint32_t getBytesPerRow() override;
+private:
+    QVulkanInstance instance;
+
+    QVulkanWindowRenderer* createRenderer() override;
+
+    friend class VulkanRenderer;
+
+    VulkanRenderer* renderer;
+};
+
+#endif // VULKANWINDOWRENDERER_HPP