tracing

.github/workflows/c-cpp.yml

@@ -11,7 +11,10 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - name: Checkout
+      uses: actions/checkout@v2
+      with:
+          submodules: recursive
     - name: Prepare Vulkan SDK
       uses: humbletim/setup-vulkan-sdk@v1.2.0
       with:

.vims

@@ -14,7 +14,7 @@ else
   set shortmess=aoO
 endif
 badd +693 src/graphics/vulkan_tutorial.cpp
-badd +316 src/inferno.cpp
+badd +317 src/inferno.cpp
 badd +45 src/scene/mesh.hpp
 badd +75 src/scene/mesh.cpp
 badd +33 src/graphics/pipeline.cpp
@@ -28,7 +28,7 @@ badd +13 src/graphics/swapchain.hpp
 badd +56 src/inferno.hpp
 badd +1 src/main.cpp
 badd +1 ~/dprog/active/inferno-hart/src/graphics/descriptor.cpp
-badd +53 src/graphics/vkrenderer.hpp
+badd +11 src/graphics/vkrenderer.hpp
 badd +42 src/renderer/renderer.hpp
 badd +28 src/scene/scene.cpp
 badd +173 src/graphics/buffer.cpp
@@ -47,20 +47,20 @@ badd +43 src/gui/gui.hpp
 badd +130 src/window.cpp
 badd +111 src/thirdparty/imgui/imgui_impl_vulkan.cpp
 badd +66 ~/dprog/active/inferno-hart/src/thirdparty/imgui/imgui_impl_vulkan.h
-badd +38 src/preview_renderer/renderer.hpp
-badd +59 src/preview_renderer/renderer.cpp
+badd +1 src/preview_renderer/renderer.hpp
+badd +1 src/preview_renderer/renderer.cpp
+badd +49 src/raytracing/renderer.cpp
+badd +0 src/graphics/rendertarget.cpp
+badd +1 src/graphics/rendertarget.hpp
 argglobal
 %argdel
-edit src/inferno.cpp
+edit src/raytracing/renderer.cpp
 let s:save_splitbelow = &splitbelow
 let s:save_splitright = &splitright
 set splitbelow splitright
 wincmd _ | wincmd |
 vsplit
-wincmd _ | wincmd |
-vsplit
-2wincmd h
-wincmd w
+1wincmd h
 wincmd w
 wincmd _ | wincmd |
 split
@@ -75,8 +75,58 @@ set winminheight=0
 set winheight=1
 set winminwidth=0
 set winwidth=1
-wincmd =
+exe 'vert 1resize ' . ((&columns * 120 + 132) / 265)
+exe '2resize ' . ((&lines * 44 + 45) / 91)
+exe 'vert 2resize ' . ((&columns * 144 + 132) / 265)
+exe '3resize ' . ((&lines * 43 + 45) / 91)
+exe 'vert 3resize ' . ((&columns * 144 + 132) / 265)
 argglobal
+balt src/inferno.cpp
+setlocal fdm=manual
+setlocal fde=0
+setlocal fmr={{{,}}}
+setlocal fdi=#
+setlocal fdl=0
+setlocal fml=1
+setlocal fdn=20
+setlocal fen
+silent! normal! zE
+let &fdl = &fdl
+let s:l = 93 - ((29 * winheight(0) + 44) / 88)
+if s:l < 1 | let s:l = 1 | endif
+keepjumps exe s:l
+normal! zt
+keepjumps 93
+normal! 0
+wincmd w
+argglobal
+if bufexists(fnamemodify("src/graphics/rendertarget.hpp", ":p")) | buffer src/graphics/rendertarget.hpp | else | edit src/graphics/rendertarget.hpp | endif
+if &buftype ==# 'terminal'
+  silent file src/graphics/rendertarget.hpp
+endif
+balt src/graphics/vkrenderer.hpp
+setlocal fdm=manual
+setlocal fde=0
+setlocal fmr={{{,}}}
+setlocal fdi=#
+setlocal fdl=0
+setlocal fml=1
+setlocal fdn=20
+setlocal fen
+silent! normal! zE
+let &fdl = &fdl
+let s:l = 1 - ((0 * winheight(0) + 22) / 44)
+if s:l < 1 | let s:l = 1 | endif
+keepjumps exe s:l
+normal! zt
+keepjumps 1
+normal! 0
+wincmd w
+argglobal
+if bufexists(fnamemodify("src/graphics/rendertarget.cpp", ":p")) | buffer src/graphics/rendertarget.cpp | else | edit src/graphics/rendertarget.cpp | endif
+if &buftype ==# 'terminal'
+  silent file src/graphics/rendertarget.cpp
+endif
 balt src/preview_renderer/renderer.hpp
 setlocal fdm=manual
 setlocal fde=0
@@ -88,83 +138,19 @@ setlocal fdn=20
 setlocal fen
 silent! normal! zE
 let &fdl = &fdl
-let s:l = 317 - ((60 * winheight(0) + 43) / 86)
-if s:l < 1 | let s:l = 1 | endif
-keepjumps exe s:l
-normal! zt
-keepjumps 317
-normal! 050|
-wincmd w
-argglobal
-if bufexists(fnamemodify("src/preview_renderer/renderer.cpp", ":p")) | buffer src/preview_renderer/renderer.cpp | else | edit src/preview_renderer/renderer.cpp | endif
-if &buftype ==# 'terminal'
-  silent file src/preview_renderer/renderer.cpp
-endif
-balt src/graphics/vkrenderer.cpp
-setlocal fdm=manual
-setlocal fde=0
-setlocal fmr={{{,}}}
-setlocal fdi=#
-setlocal fdl=0
-setlocal fml=1
-setlocal fdn=20
-setlocal fen
-silent! normal! zE
-let &fdl = &fdl
-let s:l = 59 - ((56 * winheight(0) + 43) / 86)
-if s:l < 1 | let s:l = 1 | endif
-keepjumps exe s:l
-normal! zt
-keepjumps 59
-normal! 015|
-wincmd w
-argglobal
-if bufexists(fnamemodify("src/graphics/vkrenderer.hpp", ":p")) | buffer src/graphics/vkrenderer.hpp | else | edit src/graphics/vkrenderer.hpp | endif
-if &buftype ==# 'terminal'
-  silent file src/graphics/vkrenderer.hpp
-endif
-balt src/graphics/vkrenderer.cpp
-setlocal fdm=manual
-setlocal fde=0
-setlocal fmr={{{,}}}
-setlocal fdi=#
-setlocal fdl=0
-setlocal fml=1
-setlocal fdn=20
-setlocal fen
-silent! normal! zE
-let &fdl = &fdl
-let s:l = 10 - ((4 * winheight(0) + 24) / 49)
-if s:l < 1 | let s:l = 1 | endif
-keepjumps exe s:l
-normal! zt
-keepjumps 10
-normal! 0
-wincmd w
-argglobal
-if bufexists(fnamemodify("src/preview_renderer/renderer.hpp", ":p")) | buffer src/preview_renderer/renderer.hpp | else | edit src/preview_renderer/renderer.hpp | endif
-if &buftype ==# 'terminal'
-  silent file src/preview_renderer/renderer.hpp
-endif
-balt src/graphics/pipeline.hpp
-setlocal fdm=manual
-setlocal fde=0
-setlocal fmr={{{,}}}
-setlocal fdi=#
-setlocal fdl=0
-setlocal fml=1
-setlocal fdn=20
-setlocal fen
-silent! normal! zE
-let &fdl = &fdl
-let s:l = 1 - ((0 * winheight(0) + 18) / 36)
+let s:l = 1 - ((0 * winheight(0) + 21) / 43)
 if s:l < 1 | let s:l = 1 | endif
 keepjumps exe s:l
 normal! zt
 keepjumps 1
-normal! 08|
+normal! 0
 wincmd w
-wincmd =
+2wincmd w
+exe 'vert 1resize ' . ((&columns * 120 + 132) / 265)
+exe '2resize ' . ((&lines * 44 + 45) / 91)
+exe 'vert 2resize ' . ((&columns * 144 + 132) / 265)
+exe '3resize ' . ((&lines * 43 + 45) / 91)
+exe 'vert 3resize ' . ((&columns * 144 + 132) / 265)
 tabnext 1
 if exists('s:wipebuf') && len(win_findbuf(s:wipebuf)) == 0 && getbufvar(s:wipebuf, '&buftype') isnot# 'terminal'
   silent exe 'bwipe ' . s:wipebuf

CMakeLists.txt

@@ -1,6 +1,8 @@
 cmake_minimum_required(VERSION 3.13)
 project(inferno)
 
+set(CMAKE_COMPILE_WARNING_AS_ERROR OFF)
+
 # file(GLOB SRC "src/*.cpp" "src/graphics/*.cpp" "src/preview_renderer/*.cpp" "src/scene/*.cpp" "src/thirdparty/imgui/*.cpp" "src/preview_renderer/*.cpp")
 file(GLOB_RECURSE SRC "src/*.cpp")
 
@@ -31,11 +33,18 @@ else()
     target_compile_options(inferno PRIVATE -std=c++20)
     target_compile_options(inferno PRIVATE -m64)
     if (CMAKE_BUILD_TYPE MATCHES "Debug")
-        target_compile_options(inferno PRIVATE -O1)
+        target_compile_options(inferno PRIVATE -O0)
         target_compile_options(inferno PRIVATE -Wall)
         target_compile_options(inferno PRIVATE -g)
         target_compile_options(inferno PRIVATE -D_GLIBCXX_DEBUG)
     endif()
+    if (CMAKE_BUILD_TYPE MATCHES "Release")
+        target_compile_options(inferno PRIVATE -O3)
+        target_compile_options(inferno PRIVATE -march=native)
+        target_compile_options(inferno PRIVATE -DNDEBUG)
+        # allow warnings
+        target_compile_options(inferno PRIVATE -Wall)
+    endif()
 endif()
 
 # Compile shaders first..

DAP Breakpoints

@@ -1 +0,0 @@
-

imgui.ini

@@ -0,0 +1,35 @@
+[Window][main]
+Pos=0,0
+Size=1920,1080
+Collapsed=0
+
+[Window][Inferno HART]
+Pos=840,26
+Size=1076,304
+Collapsed=0
+DockId=0x00000003,0
+
+[Window][Debug##Default]
+Pos=60,60
+Size=400,400
+Collapsed=0
+
+[Window][Preview]
+Pos=840,332
+Size=1076,745
+Collapsed=0
+DockId=0x00000004,0
+
+[Window][Render]
+Pos=4,26
+Size=834,1051
+Collapsed=0
+DockId=0x00000001,0
+
+[Docking][Data]
+DockSpace     ID=0x9498A894 Window=0xBF28CD64 Pos=4,26 Size=1912,1051 Split=X
+  DockNode    ID=0x00000001 Parent=0x9498A894 SizeRef=834,1051 CentralNode=1 Selected=0x81AED595
+  DockNode    ID=0x00000002 Parent=0x9498A894 SizeRef=1076,1051 Split=Y Selected=0x83AD8318
+    DockNode  ID=0x00000003 Parent=0x00000002 SizeRef=1076,286 Selected=0x83AD8318
+    DockNode  ID=0x00000004 Parent=0x00000002 SizeRef=1076,700 Selected=0x382916D5
+

libhart/thirdparty/yolo/yolo.hpp

@@ -117,3 +117,6 @@ inline uint8_t registerModule(std::string name, std::string ANSI)
 
 }
 
+// alias yolo to yo for less typing
+namespace yo = yolo;
+

res/shaders/lines_debug.frag

@@ -1,11 +1,12 @@
 #version 450 core
 
 layout (location = 0) in vec3 vFragPos;
+layout (location = 1) in vec3 vColour;
 
 layout(location = 0) out vec4 outColour;
 
 void main()
 {
-    outColour = vec4(1., 0., 0., 1.0);
+    outColour = vec4(vColour, 1.0);
 }
 

res/shaders/lines_debug.vert

@@ -1,6 +1,7 @@
 #version 450 core
 
 layout (location = 0) in vec3 position;
+layout (location = 1) in vec3 colour;
 
 layout (binding = 0) uniform SceneUniformBufferObject {
     mat4 proj;
@@ -11,9 +12,11 @@ layout (binding = 0) uniform SceneUniformBufferObject {
 
 // mat4 model;
 
-layout (location = 1) out vec3 vFragPos;
+layout (location = 0) out vec3 vFragPos;
+layout (location = 1) out vec3 vColour;
 
 void main() {
     vFragPos = vec3(vec4(position, 1.0));
+    vColour = colour;
     gl_Position = ubo.proj * ubo.view * vec4(position, 1.0);
 }

src/graphics/device.cpp

@@ -3,6 +3,8 @@
 #include "graphics.hpp"
 #include "window.hpp"
 
+#include "vkrenderer.hpp"
+
 #include "yolo/yolo.hpp"
 
 #include <map>
@@ -180,6 +182,7 @@ bool device_evaluate(GraphicsDevice* g, VkPhysicalDevice device)
 
     // does the device support the extensions we need?
     if (!device_evaluate_extensions(device, DEVICE_EXTENSIONS)) {
+        yolo::error("Device {} does not support required extensions", deviceProperties.deviceName);
         return 0;
     }
 
@@ -219,6 +222,11 @@ void device_cleanup(GraphicsDevice* device)
     vkDestroyInstance(device->VulkanInstance, nullptr);
 }
 
+void device_add_context(GraphicsDevice* device, VulkanRenderer* context)
+{
+    device->RenderContext = context;
+}
+
 void device_create_vulkan_instance(GraphicsDevice* device)
 {
 
@@ -312,7 +320,13 @@ void device_create_vulkan_physical_device(GraphicsDevice* device)
         // established the device with the best score, or the only one in the system.
         device->VulkanPhysicalDevice = candidates.rbegin()->second;
     } else {
-        yolo::error("failed to find a suitable GPU!");
+        // log all devices and their scores
+        for (const auto& device_candidate : candidates) {
+            VkPhysicalDeviceProperties deviceProperties;
+            vkGetPhysicalDeviceProperties(device_candidate.second, &deviceProperties);
+            yolo::error("Device {} scored {}", deviceProperties.deviceName, device_candidate.first);
+        }
+        yolo::error("Failed to find a suitable GPU!");
         exit(1);
     }
 }

src/graphics/device.hpp

@@ -6,18 +6,22 @@
 
 namespace inferno::graphics {
 
-// #define VALIDATION_LAYERS_ENABLED 1
+#define VALIDATION_LAYERS_ENABLED 1
 #ifdef VALIDATION_LAYERS_ENABLED
 const std::vector<const char*> VALIDATION_LAYERS = {
-    "VK_LAYER_KHRONOS_validation",
+    // "VK_LAYER_KHRONOS_validation",
+    // "VK_LAYER_RENDERDOC_Capture",
 };
 #endif
 
 const std::vector<const char*> DEVICE_EXTENSIONS = {
     VK_KHR_SWAPCHAIN_EXTENSION_NAME,
     VK_KHR_DYNAMIC_RENDERING_EXTENSION_NAME,
+    // VK_EXT_DYNAMIC_RENDERING_UNUSED_ATTACHMENTS_EXTENSION_NAME,
 };
 
+struct VulkanRenderer;
+
 typedef struct GraphicsDevice {
     VkInstance VulkanInstance;
     VkDebugUtilsMessengerEXT VulkanDebugMessenger;
@@ -28,6 +32,9 @@ typedef struct GraphicsDevice {
     VkQueue VulkanPresentQueue;
     VkCommandPool VulkanCommandPool;
 
+    // FIXME: There is no way in hell this should be here
+    VulkanRenderer* RenderContext;
+
     glm::ivec2 SurfaceSize;
     bool Resized = false;
 } GraphicsDevice;
@@ -46,6 +53,8 @@ struct QueueFamilyIndices {
 GraphicsDevice* device_create();
 void device_cleanup(GraphicsDevice* device);
 
+void device_add_context(GraphicsDevice* device, VulkanRenderer* context);
+
 void device_create_vulkan_instance(GraphicsDevice* device);
 void device_vulkan_debugger(GraphicsDevice* device);
 void device_create_vulkan_physical_device(GraphicsDevice* device);

src/graphics/image.cpp

@@ -1,9 +1,12 @@
 #include "graphics/image.hpp"
 
 #include "device.hpp"
+#include "vkrenderer.hpp"
 
 #include "yolo/yolo.hpp"
 
+#include <functional>
+
 namespace inferno::graphics {
 
 void create_image(GraphicsDevice* device, uint32_t width, uint32_t height,
@@ -69,6 +72,36 @@ VkImageView create_image_view(GraphicsDevice* device, VkImage image, VkFormat fo
     return imageView;
 }
 
+void transition_image_layout(GraphicsDevice* device, VkImage image, VkFormat format,
+    VkImageLayout oldLayout, VkImageLayout newLayout)
+{
+    // This all goes in a standard callback to go to the renderer as a one time command
+    // buffer execution
+    std::function<void(VulkanRenderer*, VkCommandBuffer*)> callback
+        = [&](VulkanRenderer* renderer, VkCommandBuffer* commandBuffer) {
+              VkImageMemoryBarrier barrier {};
+              barrier.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER;
+              barrier.oldLayout = oldLayout;
+              barrier.newLayout = newLayout;
+              barrier.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
+              barrier.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
+              barrier.image = image;
+              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 = 0; // TODO
+              barrier.dstAccessMask = 0; // TODO
+
+              vkCmdPipelineBarrier(*commandBuffer, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT,
+                  VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, 0, 0, nullptr, 0, nullptr, 1,
+                  &barrier);
+          };
+
+    graphics::renderer_submit_now(device->RenderContext, callback);
+}
+
 VkFormat find_format(GraphicsDevice* device, const std::vector<VkFormat>& candidates,
     VkImageTiling tiling, VkFormatFeatureFlags features)
 {
@@ -92,10 +125,9 @@ VkFormat find_depth_format(GraphicsDevice* device)
 {
     return VK_FORMAT_D32_SFLOAT_S8_UINT;
     return find_format(device,
-        { VK_FORMAT_D32_SFLOAT, VK_FORMAT_D32_SFLOAT_S8_UINT, VK_FORMAT_D24_UNORM_S8_UINT },
+        { VK_FORMAT_D32_SFLOAT, VK_FORMAT_D32_SFLOAT_S8_UINT,
+            VK_FORMAT_D24_UNORM_S8_UINT },
         VK_IMAGE_TILING_OPTIMAL, VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT);
-
 }
 
-
 }

src/graphics/image.hpp

@@ -13,6 +13,11 @@ void create_image(GraphicsDevice* device, uint32_t width, uint32_t height,
 VkImageView create_image_view(GraphicsDevice* device, VkImage image, VkFormat format,
     VkImageAspectFlags aspectFlags);
 
+void transition_image_layout(GraphicsDevice* device, VkImage image, VkFormat format,
+    VkImageLayout oldLayout, VkImageLayout newLayout);
+// void copy_buffer_to_image(GraphicsDevice* device, VkBuffer buffer, VkImage image,
+//     uint32_t width, uint32_t height);
+
 VkFormat find_format(GraphicsDevice* device, const std::vector<VkFormat>& candidates,
     VkImageTiling tiling, VkFormatFeatureFlags features);
 VkFormat find_depth_format(GraphicsDevice* device);

src/graphics/rendertarget.cpp

@@ -1,10 +1,13 @@
 #include "rendertarget.hpp"
 
+#include "buffer.hpp"
 #include "device.hpp"
 #include "graphics.hpp"
 #include "image.hpp"
+#include "vkrenderer.hpp"
 
 #include "yolo/yolo.hpp"
+#include <vulkan/vulkan_core.h>
 
 namespace inferno::graphics {
 
@@ -13,8 +16,8 @@ RenderTarget* rendertarget_create(
 {
     RenderTarget* target = new RenderTarget();
     target->Device = device;
-    target->Format = format;
     target->Extent = extent;
+    target->Format = format;
 
     VkSamplerCreateInfo samplerInfo {};
     samplerInfo.sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO;
@@ -39,16 +42,26 @@ RenderTarget* rendertarget_create(
         yolo::error("failed to create texture sampler!");
     }
 
+    target->TargetImage = new ImageAttachment();
+
     create_image(device, extent.width, extent.height, format, VK_IMAGE_TILING_OPTIMAL,
-        VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | VK_IMAGE_USAGE_INPUT_ATTACHMENT_BIT,
-        VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, target->Image, target->Memory);
+        VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | VK_IMAGE_USAGE_INPUT_ATTACHMENT_BIT
+            | VK_IMAGE_USAGE_SAMPLED_BIT,
+        VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, target->TargetImage->Image,
+        target->TargetImage->Memory);
 
+    target->TargetImage->ImageView = create_image_view(
+        device, target->TargetImage->Image, format, VK_IMAGE_ASPECT_COLOR_BIT);
 
-    target->ImageView
-        = create_image_view(device, target->Image, format, VK_IMAGE_ASPECT_COLOR_BIT);
+    target->DescriptorSet = ImGui_ImplVulkan_AddTexture(target->Sampler,
+        target->TargetImage->ImageView, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL);
 
-    target->DescriptorSet = ImGui_ImplVulkan_AddTexture(
-        target->Sampler, target->ImageView, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL);
+    // wait for the image to be ready
+    graphics::renderer_submit_now(
+        device->RenderContext, [&](VulkanRenderer* re, VkCommandBuffer* cmd) {
+            transition_image_layout(re->Device, target->TargetImage->Image, format,
+                VK_IMAGE_LAYOUT_UNDEFINED, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL);
+        });
 
     if (depth) {
         rendertarget_create_depth(target);
@@ -59,9 +72,10 @@ RenderTarget* rendertarget_create(
 
 void rendertarget_cleanup(RenderTarget* target)
 {
-    vkDestroyImageView(target->Device->VulkanDevice, target->ImageView, nullptr);
-    vkDestroyImage(target->Device->VulkanDevice, target->Image, nullptr);
-    vkFreeMemory(target->Device->VulkanDevice, target->Memory, nullptr);
+    vkDestroyImageView(
+        target->Device->VulkanDevice, target->TargetImage->ImageView, nullptr);
+    vkDestroyImage(target->Device->VulkanDevice, target->TargetImage->Image, nullptr);
+    vkFreeMemory(target->Device->VulkanDevice, target->TargetImage->Memory, nullptr);
 
     rendertarget_destroy_depth(target);
 
@@ -80,8 +94,8 @@ void rendertarget_create_depth(RenderTarget* target)
         VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, target->TargetDepth->Image,
         target->TargetDepth->Memory);
 
-    target->TargetDepth->ImageView = create_image_view(target->Device, target->TargetDepth->Image,
-        depthFormat, VK_IMAGE_ASPECT_DEPTH_BIT);
+    target->TargetDepth->ImageView = create_image_view(target->Device,
+        target->TargetDepth->Image, depthFormat, VK_IMAGE_ASPECT_DEPTH_BIT);
 }
 
 void rendertarget_destroy_depth(RenderTarget* target)
@@ -100,15 +114,214 @@ void rendertarget_recreate(RenderTarget* target, VkExtent2D extent, VkFormat for
 
     bool doDepth = target->TargetDepth != nullptr;
 
-    rendertarget_cleanup(target);
+    vkDestroyImageView(
+        target->Device->VulkanDevice, target->TargetImage->ImageView, nullptr);
+    vkDestroyImage(target->Device->VulkanDevice, target->TargetImage->Image, nullptr);
+    vkFreeMemory(target->Device->VulkanDevice, target->TargetImage->Memory, nullptr);
+
+    if (doDepth) {
+        vkDestroyImageView(
+            target->Device->VulkanDevice, target->TargetDepth->ImageView, nullptr);
+        vkDestroyImage(target->Device->VulkanDevice, target->TargetDepth->Image, nullptr);
+        vkFreeMemory(target->Device->VulkanDevice, target->TargetDepth->Memory, nullptr);
+    }
 
     target->Extent = extent;
     target->Format = format;
 
-    rendertarget_create(target->Device, extent, format, doDepth);
+    target->TargetImage = new ImageAttachment();
 
-    // if (doDepth)
-    //     rendertarget_create_depth(target);
+    create_image(target->Device, extent.width, extent.height, format,
+        VK_IMAGE_TILING_OPTIMAL,
+        VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | VK_IMAGE_USAGE_INPUT_ATTACHMENT_BIT
+            | VK_IMAGE_USAGE_SAMPLED_BIT,
+        VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, target->TargetImage->Image,
+        target->TargetImage->Memory);
+
+    target->TargetImage->ImageView = create_image_view(
+        target->Device, target->TargetImage->Image, format, VK_IMAGE_ASPECT_COLOR_BIT);
+
+    target->DescriptorSet = ImGui_ImplVulkan_AddTexture(target->Sampler,
+        target->TargetImage->ImageView, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL);
+
+    // wait for the image to be ready
+    graphics::renderer_submit_now(
+        target->Device->RenderContext, [&](VulkanRenderer* re, VkCommandBuffer* cmd) {
+            transition_image_layout(re->Device, target->TargetImage->Image, format,
+                VK_IMAGE_LAYOUT_UNDEFINED, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL);
+        });
+
+    if (doDepth) {
+        rendertarget_create_depth(target);
+    }
+}
+
+DynamicCPUTarget* dynamic_rendertarget_create(
+    GraphicsDevice* device, VkExtent2D extent, VkFormat format)
+{
+    DynamicCPUTarget* target = new DynamicCPUTarget();
+    target->Format = format;
+    target->Extent = extent;
+    target->Device = device;
+
+    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.maxAnisotropy = 0.0f;
+    samplerInfo.borderColor = VK_BORDER_COLOR_INT_OPAQUE_BLACK;
+    samplerInfo.unnormalizedCoordinates = VK_FALSE;
+    samplerInfo.compareEnable = VK_FALSE;
+    samplerInfo.compareOp = VK_COMPARE_OP_ALWAYS;
+
+    if (vkCreateSampler(device->VulkanDevice, &samplerInfo, nullptr, &target->Sampler)
+        != VK_SUCCESS) {
+        yolo::error("failed to create texture sampler!");
+    }
+
+    // Create VkImage with Undefined
+    create_image(device, extent.width, extent.height, format, VK_IMAGE_TILING_LINEAR,
+        VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | VK_IMAGE_USAGE_INPUT_ATTACHMENT_BIT
+            | VK_IMAGE_USAGE_SAMPLED_BIT,
+        VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, target->Image, target->Memory);
+
+    target->ImageView
+        = create_image_view(device, target->Image, format, VK_IMAGE_ASPECT_COLOR_BIT);
+
+    target->DescriptorSet = ImGui_ImplVulkan_AddTexture(
+        target->Sampler, target->ImageView, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL);
+
+    // NOTE: This assumes that the image is in the UNDEFINED LAYOUT
+    // And also assumes that the cpu layout is floating point (4 bytes) and the image is
+    // RGBA
+    target->StagingBuffer = generic_buffer_create(device, 0,
+        extent.width * extent.height * 4, VK_BUFFER_USAGE_TRANSFER_SRC_BIT,
+        VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT);
+
+    return target;
+}
+
+void dynamic_rendertarget_cleanup(DynamicCPUTarget* target)
+{
+    vkDestroyImageView(target->Device->VulkanDevice, target->ImageView, nullptr);
+    vkDestroyImage(target->Device->VulkanDevice, target->Image, nullptr);
+    vkFreeMemory(target->Device->VulkanDevice, target->Memory, nullptr);
+    vkDestroySampler(target->Device->VulkanDevice, target->Sampler, nullptr);
+    delete target;
+}
+
+// TODO: We should do this with a double buffer but whatever
+void dynamic_rendertarget_update(DynamicCPUTarget* target, void* data, VkExtent2D size)
+{
+    if (size.width != target->Extent.width || size.height != target->Extent.height) {
+        yolo::error("Dynamic CPU Target size mismatch");
+        return;
+    }
+
+    // Traansition to General
+    transition_image_layout(target->Device, target->Image, target->Format,
+        VK_IMAGE_LAYOUT_UNDEFINED, VK_IMAGE_LAYOUT_GENERAL);
+
+    // Sync with Fence
+    // we need a fence here because we need to wait for the image to be ready
+    // before we can copy to it
+    VkFenceCreateInfo fenceInfo {};
+    fenceInfo.sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO;
+    fenceInfo.flags = 0;
+
+    VkFence fence;
+    if (vkCreateFence(target->Device->VulkanDevice, &fenceInfo, nullptr, &fence)
+        != VK_SUCCESS) {
+        yolo::error("failed to create fence!");
+    }
+
+    VkSubmitInfo submitInfo {};
+    submitInfo.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
+    submitInfo.pNext = nullptr;
+    submitInfo.waitSemaphoreCount = 0;
+    submitInfo.pWaitSemaphores = nullptr;
+    submitInfo.pWaitDstStageMask = nullptr;
+    submitInfo.commandBufferCount = 0;
+    submitInfo.pCommandBuffers = nullptr;
+    submitInfo.signalSemaphoreCount = 0;
+    submitInfo.pSignalSemaphores = nullptr;
+
+    if (vkQueueSubmit(target->Device->VulkanGraphicsQueue, 1, &submitInfo, fence)
+        != VK_SUCCESS) {
+        yolo::error("failed to submit queue!");
+    }
+
+    vkWaitForFences(target->Device->VulkanDevice, 1, &fence, VK_TRUE, UINT64_MAX);
+
+    // Map Memory
+    void* mappedData;
+    vkMapMemory(target->Device->VulkanDevice, target->StagingBuffer->DeviceData, 0,
+        target->StagingBuffer->Size, 0, &mappedData);
+    memcpy(mappedData, data, target->StagingBuffer->Size);
+    vkUnmapMemory(target->Device->VulkanDevice, target->StagingBuffer->DeviceData);
+
+    transition_image_layout(target->Device, target->Image, target->Format,
+        VK_IMAGE_LAYOUT_GENERAL, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL);
+
+    // No we have the data in the buffer, let's move it to the image
+    graphics::renderer_submit_now(
+        target->Device->RenderContext, [&](VulkanRenderer* re, VkCommandBuffer* cmd) {
+            VkBufferImageCopy region {};
+            region.bufferOffset = 0;
+            region.bufferRowLength = size.width;
+            region.bufferImageHeight = size.height;
+
+            region.imageSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
+            region.imageSubresource.mipLevel = 0;
+            region.imageSubresource.baseArrayLayer = 0;
+            region.imageSubresource.layerCount = 1;
+
+            region.imageOffset = { 0, 0, 0 };
+            region.imageExtent = { size.width, size.height, 1 };
+
+            vkCmdCopyBufferToImage(*cmd, target->StagingBuffer->Handle, target->Image,
+                VK_IMAGE_LAYOUT_GENERAL, 1, &region);
+        });
+
+    // Sync with Fence
+    vkResetFences(target->Device->VulkanDevice, 1, &fence);
+    vkDestroyFence(target->Device->VulkanDevice, fence, nullptr);
+
+    // Transition to whatever we need
+    transition_image_layout(target->Device, target->Image, target->Format,
+        VK_IMAGE_LAYOUT_GENERAL, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL);
+}
+
+void dynamic_rendertarget_recreate(DynamicCPUTarget* target, VkExtent2D extent)
+{
+    vkDestroyImageView(target->Device->VulkanDevice, target->ImageView, nullptr);
+    vkDestroyImage(target->Device->VulkanDevice, target->Image, nullptr);
+    vkFreeMemory(target->Device->VulkanDevice, target->Memory, nullptr);
+
+    target->Extent = extent;
+
+    // Create VkImage with Undefined
+    create_image(target->Device, extent.width, extent.height, target->Format, VK_IMAGE_TILING_OPTIMAL,
+        VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | VK_IMAGE_USAGE_INPUT_ATTACHMENT_BIT
+            | VK_IMAGE_USAGE_SAMPLED_BIT,
+        VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, target->Image, target->Memory);
+
+    target->ImageView
+        = create_image_view(target->Device, target->Image, target->Format, VK_IMAGE_ASPECT_COLOR_BIT);
+
+    target->DescriptorSet = ImGui_ImplVulkan_AddTexture(
+        target->Sampler, target->ImageView, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL);
+
+    // NOTE: This assumes that the image is in the UNDEFINED LAYOUT
+    // And also assumes that the cpu layout is floating point (4 bytes) and the image is
+    // RGBA
+    target->StagingBuffer = generic_buffer_create(target->Device, 0,
+        extent.width * extent.height * 4, VK_BUFFER_USAGE_TRANSFER_SRC_BIT,
+        VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT);
 }
 
 }

src/graphics/rendertarget.hpp

@@ -3,14 +3,16 @@
 #include "graphics.hpp"
 
 #include <optional>
+#include <vulkan/vulkan_core.h>
 
 namespace inferno::graphics {
 
 struct GraphicsDevice;
+struct GenBuffer;
 
 // TODO: Should probably be "ImageAttachment" and then the
 // target will abstract which sort of attachment it is
-typedef struct DepthAttachment {
+typedef struct ImageAttachment {
     VkImage Image;
     VkDeviceMemory Memory;
     VkImageView ImageView;
@@ -19,14 +21,11 @@ typedef struct DepthAttachment {
 
 // TODO: What about the present mode?
 typedef struct RenderTarget {
-    VkImage Image;
-    VkDeviceMemory Memory;
-    VkImageView ImageView;
+    ImageAttachment* TargetImage = nullptr;
+    ImageAttachment* TargetDepth = nullptr;
 
-    VkFormat Format;
     VkExtent2D Extent;
-
-    DepthAttachment* TargetDepth = nullptr;
+    VkFormat Format;
 
     // NOTE: This is for the ImGui renderer.. it needs a descriptor set of a sampler of an
     // image
@@ -45,4 +44,29 @@ void rendertarget_destroy_depth(RenderTarget* target);
 
 void rendertarget_recreate(RenderTarget* target, VkExtent2D extent, VkFormat format);
 
+typedef struct DynamicCPUTarget {
+    VkImage Image;
+    VkDeviceMemory Memory;
+    VkImageView ImageView;
+
+    VkFormat Format;
+    VkExtent2D Extent;
+
+    GenBuffer* StagingBuffer;
+
+    // This is being given to ImGUI so we need a Sampler and a DescriptorSet
+    VkSampler Sampler;
+    VkDescriptorSet DescriptorSet;
+
+    GraphicsDevice* Device;
+} DynamicCPUTarget;
+
+DynamicCPUTarget* dynamic_rendertarget_create(
+    GraphicsDevice* device, VkExtent2D extent, VkFormat format);
+void dynamic_rendertarget_cleanup(DynamicCPUTarget* target);
+
+void dynamic_rendertarget_update(DynamicCPUTarget* target, void* data, VkExtent2D size);
+
+void dynamic_rendertarget_recreate(DynamicCPUTarget* target, VkExtent2D extent);
+
 }

src/graphics/vkrenderer.cpp

@@ -200,12 +200,17 @@ bool renderer_begin_frame(VulkanRenderer* renderer)
 void renderer_begin_pass(
     VulkanRenderer* renderer, RenderTarget* target, VkRect2D renderArea, bool clear)
 {
+    // Validate that "Image" is valid
+    if (target == nullptr || target->TargetImage == nullptr) {
+        yolo::error("Target image is null");
+    }
+
     VkImageMemoryBarrier imageMemoryBarrier {};
     imageMemoryBarrier.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER;
     imageMemoryBarrier.dstAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT;
     imageMemoryBarrier.oldLayout = VK_IMAGE_LAYOUT_UNDEFINED;
     imageMemoryBarrier.newLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
-    imageMemoryBarrier.image = target->Image;
+    imageMemoryBarrier.image = target->TargetImage->Image;
     imageMemoryBarrier.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
     imageMemoryBarrier.subresourceRange.baseMipLevel = 0;
     imageMemoryBarrier.subresourceRange.layerCount = 1;
@@ -223,7 +228,7 @@ void renderer_begin_pass(
     VkClearValue clearColor = { { { 0.0f, 0.0f, 0.0f, 1.0f } } };
     VkRenderingAttachmentInfo attachmentInfo {};
     attachmentInfo.sType = VK_STRUCTURE_TYPE_RENDERING_ATTACHMENT_INFO_KHR;
-    attachmentInfo.imageView = target->ImageView;
+    attachmentInfo.imageView = target->TargetImage->ImageView;
     attachmentInfo.imageLayout = VK_IMAGE_LAYOUT_ATTACHMENT_OPTIMAL_KHR;
     attachmentInfo.loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR;
     attachmentInfo.storeOp = VK_ATTACHMENT_STORE_OP_STORE;

src/inferno.cpp

@@ -90,6 +90,7 @@ InfernoApp* inferno_create()
     app->Input = new InfernoInput;
     app->Scene = scene::scene_create();
     app->MainTimer = inferno_timer_create();
+    app->FrameCount = 0;
 
     graphics::camera_set_position(app->Scene->Camera, { 0.0f, 1.0f, 3.1f });
 
@@ -97,6 +98,8 @@ InfernoApp* inferno_create()
     graphics::window_create("Inferno v" INFERNO_VERSION, 1920, 1080);
     app->Device = graphics::device_create();
     app->Renderer = graphics::renderer_create(app->Device);
+    // FIXME: FUCKING CHANGE THIS
+    graphics::device_add_context(app->Device, app->Renderer);
 
     graphics::renderer_configure_gui(app->Renderer);
     graphics::renderer_configure_command_buffer(app->Renderer);
@@ -126,15 +129,13 @@ InfernoApp* inferno_create()
     // scene::scene_object_load(object, "res/sponza.obj");
     scene::scene_object_load(object, "res/cornell-box.obj");
     scene::scene_add_object(app->Scene, object);
+    //
+    // scene::SceneObject* lucy = scene::scene_object_create(app->Device);
+    // scene::scene_object_load(lucy, "res/lucy.obj");
+    // scene::scene_object_optimize(lucy);
+    // scene::scene_add_object(app->Scene, lucy);
 
-    scene::SceneObject* lucy = scene::scene_object_create(app->Device);
-    scene::scene_object_load(lucy, "res/lucy.obj");
-    scene::scene_object_optimize(lucy);
-    scene::scene_add_object(app->Scene, lucy);
-    // app->PreviewRenderer = graphics::preview_create();
-    // graphics::preview_set_viewport(app->PreviewRenderer, app->Scene->Camera);
-    // app->RayRenderer = graphics::rayr_create(app->Scene);
-    // graphics::rayr_set_viewport(app->RayRenderer, app->Scene->Camera);
+    app->RayRenderer = graphics::rayr_create(app->Renderer, app->Scene);
 
     return app;
 }
@@ -248,30 +249,24 @@ void inferno_end(InfernoApp* app)
 
 int inferno_run(InfernoApp* app)
 {
-
-    // we weant to outline Lucy in lines
-    graphics::renderer_submit_repeat(
-        app->Renderer,
-        [&](graphics::VulkanRenderer* renderer, VkCommandBuffer* commandBuffer) {
-            const auto lucy = app->Scene->Objects[0];
-            for (auto& mesh : scene::scene_object_get_meshs(lucy)) {
-                for (int i = 0; i < mesh->Indicies.size() - 1; i += 3) {
-                    graphics::debug_draw_line(
-                        mesh->Verticies[mesh->Indicies[i]].Position,
-                        mesh->Verticies[mesh->Indicies[i + 1]].Position,
-                        { 1, 0, 0 });
-                    graphics::debug_draw_line(
-                        mesh->Verticies[mesh->Indicies[i + 1]].Position,
-                        mesh->Verticies[mesh->Indicies[i + 2]].Position,
-                        { 1, 0, 0 });
-                    graphics::debug_draw_line(
-                        mesh->Verticies[mesh->Indicies[i + 2]].Position,
-                        mesh->Verticies[mesh->Indicies[i]].Position,
-                        { 1, 0, 0 });
-                }
-            }
-        },
-        false);
+    // graphics::renderer_submit_repeat(
+    //     app->Renderer,
+    //     [&](graphics::VulkanRenderer* renderer, VkCommandBuffer* commandBuffer) {
+    //         const auto lucy = app->Scene->Objects[0];
+    //         for (auto& mesh : scene::scene_object_get_meshs(lucy)) {
+    //             for (int i = 0; i < mesh->Indicies.size() - 1; i += 3) {
+    //                 graphics::debug_draw_line(mesh->Verticies[mesh->Indicies[i]].Position,
+    //                     mesh->Verticies[mesh->Indicies[i + 1]].Position, { 0, 0, 1 });
+    //                 graphics::debug_draw_line(
+    //                     mesh->Verticies[mesh->Indicies[i + 1]].Position,
+    //                     mesh->Verticies[mesh->Indicies[i + 2]].Position, { 0, 0, 1 });
+    //                 graphics::debug_draw_line(
+    //                     mesh->Verticies[mesh->Indicies[i + 2]].Position,
+    //                     mesh->Verticies[mesh->Indicies[i]].Position, { 0, 0, 1 });
+    //             }
+    //         }
+    //     },
+    //     false);
 
     while (graphics::window_new_frame()) {
         if (!inferno_pre(app))
@@ -358,13 +353,22 @@ int inferno_run(InfernoApp* app)
         }
 
         if (ImGui::Begin("Render")) {
-            // graphics::rayr_draw(app->RayRenderer);
+            // static ImVec2 lastViewport = { 0, 0 };
+            // ImVec2 currentViewport = ImGui::GetWindowSize();
+            // if (lastViewport.x != currentViewport.x
+            //     || lastViewport.y != currentViewport.y) {
+            //     graphics::camera_ray_set_viewport(scene::scene_get_camera(app->Scene),
+            //         { ImGui::GetWindowSize().x, ImGui::GetWindowSize().y });
+            //     graphics::rayr_set_viewport(app->RayRenderer, app->Scene->Camera);
+            // }
+            // lastViewport = currentViewport;
 
-            // ImTextureID texture
-            //     = (ImTextureID)graphics::rayr_get_rendered_texture(app->RayRenderer);
-            // ImGui::Image(texture, { ImGui::GetWindowSize().x, ImGui::GetWindowSize().y
-            // },
-            //     ImVec2(0, 1), ImVec2(1, 0));
+            graphics::rayr_draw(app->RayRenderer);
+
+            ImTextureID texture
+                = (ImTextureID)graphics::rayr_get_target(app->RayRenderer)->DescriptorSet;
+            ImGui::Image(texture, { ImGui::GetWindowSize().x, ImGui::GetWindowSize().y },
+                ImVec2(0, 1), ImVec2(1, 0));
             ImGui::End();
         }
 
@@ -377,4 +381,4 @@ int inferno_run(InfernoApp* app)
     return 1;
 }
 
-} // namespace infern
+} // name

src/inferno.hpp

@@ -6,6 +6,7 @@
 #include "scene/scene.hpp"
 // #include "scene/camera.hpp"
 #include "preview/renderer.hpp"
+#include "raytracing/renderer.hpp"
 
 #include <memory>
 
@@ -59,7 +60,7 @@ typedef struct InfernoApp {
     graphics::VulkanRenderer* Renderer;
 
     graphics::PreviewRenderer* PreviewRenderer;
-    // graphics::RayRenderer* RayRenderer;
+    graphics::RayRenderer* RayRenderer;
 
     InfernoTimer* MainTimer;
     uint64_t FrameCount;

src/preview/renderer.cpp

@@ -38,6 +38,7 @@ PreviewRenderer* preview_create(VulkanRenderer* vkrenderer)
 
     renderer->PreviewRenderTarget = graphics::rendertarget_create(
         renderer->Renderer->Device, { 1920, 1080 }, VK_FORMAT_R8G8B8A8_UNORM, true);
+    yolo::info("Created preview rendertarget");
 
     // bind preview renderer to debugdraw
     debug_init(renderer);
@@ -71,6 +72,7 @@ void preview_draw(PreviewRenderer* renderer, scene::Scene* scene)
     VkCommandBuffer commandBuffer = *renderer->Renderer->CommandBufferInFlight;
     // if changed
     if (renderer->HasViewportChanged) {
+        yolo::info("Resizing preview");
         graphics::rendertarget_recreate(renderer->PreviewRenderTarget,
             renderer->Viewport.extent, VK_FORMAT_R8G8B8A8_UNORM);
     }

src/raytracing/object_tracer.cpp

@@ -50,12 +50,12 @@ HitInfo* object_ray_collide(scene::SceneObject* object, Ray* ray)
         const uint32_t* ind;
         const float* verts;
         const float* norms;
-        // mesh->getIndicies(&ind);
-        // mesh->getVerticies(&verts, &norms);
+        scene::mesh_get_indicies(mesh, &ind);
+        scene::mesh_get_verticies(mesh, &verts, &norms);
 
         float t = INFINITY;
         int i;
-        // for (int i = 0; i < mesh->getIndexCount(); i += 3) {
+        for (int i = 0; i < scene::mesh_get_index_count(mesh); i += 3) {
             uint32_t indexa = ind[i + 0];
             uint32_t indexb = ind[i + 1];
             uint32_t indexc = ind[i + 2];
@@ -72,7 +72,7 @@ HitInfo* object_ray_collide(scene::SceneObject* object, Ray* ray)
                 t = temp_t;
                 info->Distance = t;
             }
-        // }
+        }
     }
     return info;
 }

src/raytracing/renderer.cpp

@@ -32,19 +32,21 @@ RayRenderer* rayr_create(VulkanRenderer* renderer, scene::Scene* scene)
     ray->Renderer = renderer;
 
     auto camera = scene::scene_get_camera(scene);
-    glm::ivec2 viewport = camera_ray_get_viewport(camera);
-    ray->Viewport = { .extent
-        = { static_cast<uint32_t>(viewport.x), static_cast<uint32_t>(viewport.y) } };
+    ray->Viewport.offset.x = 0;
+    ray->Viewport.offset.y = 0;
+    ray->Viewport.extent.width = camera_ray_get_viewport(camera).x;
+    ray->Viewport.extent.height = camera_ray_get_viewport(camera).y;
+    ray->HasViewportChanged = true;
+
 
     ray->RenderData
         = new glm::fvec4[ray->Viewport.extent.width * ray->Viewport.extent.height];
     memset(ray->RenderData, 0,
         ray->Viewport.extent.width * ray->Viewport.extent.height * sizeof(glm::fvec4));
 
-    // TODO: We need to upload RenderData to the GPU / maybe do a quad pass ? I think
-    // ImGui handels that
-
-    // ray->RayRenderTarget = graphics::rendertarget_create()
+    ray->RayRenderTarget = graphics::dynamic_rendertarget_create(
+        renderer->Device, ray->Viewport.extent, VK_FORMAT_R32G32B32A32_SFLOAT);
+    rayr_set_viewport(ray, camera);
 
     return ray;
 }
@@ -61,11 +63,21 @@ void rayr_set_viewport(RayRenderer* renderer, Camera* camera)
     renderer->Viewport.extent.width = viewport.x;
     renderer->Viewport.extent.height = viewport.y;
     renderer->HasViewportChanged = true;
+
+    delete[] renderer->RenderData;
+    renderer->RenderData
+        = new glm::fvec4[renderer->Viewport.extent.width * renderer->Viewport.extent.height];
+    memset(renderer->RenderData, 1,
+        renderer->Viewport.extent.width * renderer->Viewport.extent.height * sizeof(glm::fvec4));
+
+    // Now resize the rendertarget
+    graphics::dynamic_rendertarget_recreate(
+        renderer->RayRenderTarget, renderer->Viewport.extent);
 }
 
-GLuint rayr_get_rendered_texture(RayRenderer* renderer)
+DynamicCPUTarget* rayr_get_target(RayRenderer* renderer)
 {
-    // return renderer->RenderTargetTexture;
+    return renderer->RayRenderTarget;
 }
 
 glm::fvec4* rayr_get_render_data(RayRenderer* renderer) { return renderer->RenderData; }
@@ -73,7 +85,7 @@ glm::fvec4* rayr_get_render_data(RayRenderer* renderer) { return renderer->Rende
 void rayr_prepare(RayRenderer* renderer)
 {
     // TODO: This is TEMP
-    memset(renderer->RenderData, 0,
+    memset(renderer->RenderData, 1,
         renderer->Viewport.extent.width * renderer->Viewport.extent.height
             * sizeof(glm::fvec4));
 
@@ -94,11 +106,11 @@ void rayr_draw(RayRenderer* renderer)
     rays::ReferencedRayField startRays
         = rays::generate_initial_rays(scene::scene_get_camera(renderer->Scene), true);
 
-    // debug_draw_line({ 0, 0, 0 }, { 0, 0, 1 }, { 1, 0, 0 });
-
 #pragma omp parallel for
     for (int x = 0; x < renderer->Viewport.extent.width; x++) {
         for (int y = 0; y < renderer->Viewport.extent.height; y++) {
+            // renderer->RenderData[y * renderer->Viewport.extent.width + x]
+            //     = { 1.0, 1.0, 1.0, 1.0 };
             rays::Ray* ray = startRays.Field[x * renderer->Viewport.extent.height + y];
             rays::HitInfo* closest_hit = nullptr;
 
@@ -127,6 +139,9 @@ void rayr_draw(RayRenderer* renderer)
             }
         }
     }
+
+    graphics::dynamic_rendertarget_update(renderer->RayRenderTarget,
+        (void*)renderer->RenderData, renderer->Viewport.extent);
 }
 //
 // void RayRenderer::computeHit(HitInfo* info)

src/raytracing/renderer.hpp

@@ -14,7 +14,7 @@ namespace inferno::scene {
 namespace inferno::graphics {
 
 class VulkanRenderer;
-class RenderTarget;
+class DynamicCPUTarget;
 
 class Camera;
 class HitInfo;
@@ -27,7 +27,7 @@ typedef struct RayRenderer {
     // TODO: Can this be direct to GPU?
     // NOTE: Probably not
     glm::fvec4* RenderData = nullptr;
-    RenderTarget* RayRenderTarget;
+    DynamicCPUTarget* RayRenderTarget;
 
     scene::Scene* Scene = nullptr;
 
@@ -42,7 +42,7 @@ void rayr_cleanup(RayRenderer* renderer);
 void rayr_draw_ui(RayRenderer* renderer);
 void rayr_set_viewport(RayRenderer* renderer, Camera* camera);
 
- // rayr_get_rendered_texture(RayRenderer* renderer);
+DynamicCPUTarget* rayr_get_target(RayRenderer* renderer);
 glm::fvec4* rayr_get_render_data(RayRenderer* renderer);
 
 void rayr_prepare(RayRenderer* renderer);

src/scene/mesh.cpp

@@ -62,6 +62,8 @@ void mesh_process(Mesh* out, aiMesh* mesh)
             = glm::vec3(mesh->mNormals[i].x, mesh->mNormals[i].y, mesh->mNormals[i].z),
         };
 
+        out->Positions.push_back(vertex.Position);
+        out->Normals.push_back(vertex.Normal);
         out->Verticies.push_back(vertex);
     }
 
@@ -91,9 +93,10 @@ void mesh_ready(Mesh* mesh)
     yolo::debug("Mesh for preview ready...");
 }
 
-// TODO: Extract vertex and normal data from internal mesh
 uint32_t mesh_get_verticies(Mesh* mesh, const float** v, const float** n)
 {
+    *v = (float*)mesh->Positions.data();
+    *n = (float*)mesh->Normals.data();
     return mesh->Verticies.size();
 }
 

src/scene/mesh.hpp

@@ -39,6 +39,10 @@ typedef struct Mesh {
     glm::mat4 ModelMatrix;
 
     std::vector<Vert> Verticies;
+
+    std::vector<glm::vec3> Positions;
+    std::vector<glm::vec3> Normals;
+
     std::vector<uint32_t> Indicies;
 
     graphics::Buffer* VertexBuffer;