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https://github.com/wheremyfoodat/Panda3DS.git
synced 2025-04-06 22:25:41 +12:00
Add display-shader presentation
Uses the graphics pipeline to both blit and transpose the 3ds-formatted textures. Does not read from the actual texture just yet since we dont write to the descriptor just yet. Some other patterns need to line up before then.
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4b7bd9df3d
commit
14b1d7d8a8
2 changed files with 103 additions and 16 deletions
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@ -5,6 +5,7 @@
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#include "renderer.hpp"
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#include "vk_api.hpp"
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#include "vk_descriptor_heap.hpp"
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#include "vk_descriptor_update_batch.hpp"
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class GPU;
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@ -72,7 +73,7 @@ class RendererVK final : public Renderer {
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}
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};
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// Hash(loc, size, format) -> Texture
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std::map<u32, Texture> textureCache;
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std::map<u64, Texture> textureCache;
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static u32 colorBufferHash(u32 loc, u32 size, PICA::ColorFmt format);
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static u32 depthBufferHash(u32 loc, u32 size, PICA::DepthFmt format);
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@ -82,6 +83,8 @@ class RendererVK final : public Renderer {
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// Framebuffer for the top/bottom image
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std::vector<vk::UniqueImage> screenTexture = {};
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std::vector<vk::UniqueImageView> screenTextureViews = {};
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std::vector<vk::UniqueFramebuffer> screenTextureFramebuffers = {};
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vk::UniqueDeviceMemory framebufferMemory = {};
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std::map<u64, vk::UniqueRenderPass> renderPassCache;
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@ -89,9 +92,14 @@ class RendererVK final : public Renderer {
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vk::RenderPass getRenderPass(vk::Format colorFormat, std::optional<vk::Format> depthFormat);
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vk::RenderPass getRenderPass(PICA::ColorFmt colorFormat, std::optional<PICA::DepthFmt> depthFormat);
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std::unique_ptr<Vulkan::DescriptorUpdateBatch> descriptorUpdateBatch;
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// Display pipeline data
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std::unique_ptr<Vulkan::DescriptorHeap> displayDescriptorHeap;
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vk::UniquePipeline displayPipeline;
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vk::UniquePipelineLayout displayPipelineLayout;
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std::vector<vk::DescriptorSet> topDisplayPipelineDescriptorSet;
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std::vector<vk::DescriptorSet> bottomDisplayPipelineDescriptorSet;
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// Recreate the swapchain, possibly re-using the old one in the case of a resize
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vk::Result recreateSwapchain(vk::SurfaceKHR surface, vk::Extent2D swapchainExtent);
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@ -595,27 +595,53 @@ void RendererVK::display() {
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//// Render Frame(Simulated - just clear the images to different colors for now)
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{
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static const std::array<float, 4> frameScopeColor = {{1.0f, 0.0f, 1.0f, 1.0f}};
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static const std::array<float, 4> renderScreenScopeColor = {{1.0f, 0.0f, 1.0f, 1.0f}};
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Vulkan::DebugLabelScope debugScope(getCurrentCommandBuffer(), frameScopeColor, "Frame");
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// Prepare images for color-clear
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Vulkan::DebugLabelScope debugScope(getCurrentCommandBuffer(), renderScreenScopeColor, "Render Screen");
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// Prepare screen texture for rendering into
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getCurrentCommandBuffer().pipelineBarrier(
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vk::PipelineStageFlagBits::eAllCommands, vk::PipelineStageFlagBits::eTransfer, vk::DependencyFlags(), {}, {},
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vk::PipelineStageFlagBits::eAllCommands, vk::PipelineStageFlagBits::eColorAttachmentOutput, vk::DependencyFlags(), {}, {},
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{
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vk::ImageMemoryBarrier(
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vk::AccessFlagBits::eMemoryRead, vk::AccessFlagBits::eTransferWrite, vk::ImageLayout::eUndefined,
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vk::ImageLayout::eTransferDstOptimal, VK_QUEUE_FAMILY_IGNORED, VK_QUEUE_FAMILY_IGNORED, screenTexture[frameBufferingIndex].get(),
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vk::ImageSubresourceRange(vk::ImageAspectFlagBits::eColor, 0, 1, 0, 1)
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vk::AccessFlagBits::eMemoryRead, vk::AccessFlagBits::eColorAttachmentWrite, vk::ImageLayout::eUndefined,
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vk::ImageLayout::eColorAttachmentOptimal, VK_QUEUE_FAMILY_IGNORED, VK_QUEUE_FAMILY_IGNORED,
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screenTexture[frameBufferingIndex].get(), vk::ImageSubresourceRange(vk::ImageAspectFlagBits::eColor, 0, 1, 0, 1)
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),
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}
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);
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static const std::array<float, 4> topClearColor = {{1.0f, 0.0f, 0.0f, 1.0f}};
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static const std::array<float, 4> bottomClearColor = {{0.0f, 1.0f, 0.0f, 1.0f}};
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getCurrentCommandBuffer().clearColorImage(
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screenTexture[frameBufferingIndex].get(), vk::ImageLayout::eTransferDstOptimal, topClearColor,
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vk::ImageSubresourceRange(vk::ImageAspectFlagBits::eColor, 0, 1, 0, 1)
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);
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vk::RenderPassBeginInfo renderPassBeginInfo = {};
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renderPassBeginInfo.renderPass = getRenderPass(vk::Format::eR8G8B8A8Unorm, {});
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renderPassBeginInfo.framebuffer = screenTextureFramebuffers[frameBufferingIndex].get();
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renderPassBeginInfo.renderArea.offset = vk::Offset2D();
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renderPassBeginInfo.renderArea.extent = vk::Extent2D(400, 240 * 2);
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getCurrentCommandBuffer().beginRenderPass(renderPassBeginInfo, vk::SubpassContents::eInline);
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// Render top screen
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if (topActiveFb) {
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getCurrentCommandBuffer().bindDescriptorSets(
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vk::PipelineBindPoint::eGraphics, displayPipelineLayout.get(), 0, {topDisplayPipelineDescriptorSet[frameBufferingIndex]}, {}
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);
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getCurrentCommandBuffer().bindPipeline(vk::PipelineBindPoint::eGraphics, displayPipeline.get());
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getCurrentCommandBuffer().setViewport(0, vk::Viewport(0, 0, 400, 240));
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getCurrentCommandBuffer().setScissor(0, vk::Rect2D({0, 0}, {400, 240}));
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getCurrentCommandBuffer().draw(3, 1, 0, 0);
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}
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// Render bottom screen
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if (bottomActiveFb) {
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getCurrentCommandBuffer().bindDescriptorSets(
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vk::PipelineBindPoint::eGraphics, displayPipelineLayout.get(), 0, {bottomDisplayPipelineDescriptorSet[frameBufferingIndex]}, {}
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);
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getCurrentCommandBuffer().bindPipeline(vk::PipelineBindPoint::eGraphics, displayPipeline.get());
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getCurrentCommandBuffer().setViewport(0, vk::Viewport(40, 0, 320, 240));
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getCurrentCommandBuffer().setScissor(0, vk::Rect2D({40, 0}, {320, 240}));
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getCurrentCommandBuffer().draw(3, 1, 0, 0);
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}
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getCurrentCommandBuffer().endRenderPass();
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}
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//// Present
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@ -1049,8 +1075,10 @@ void RendererVK::initGraphicsContext(SDL_Window* window) {
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screenTextureInfo.setInitialLayout(vk::ImageLayout::eUndefined);
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screenTexture.resize(frameBufferingCount);
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screenTextureViews.resize(frameBufferingCount);
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screenTextureFramebuffers.resize(frameBufferingCount);
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for (usize i = 0; i < frameBufferingCount; i++) {
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for (usize i = 0; i < frameBufferingCount; ++i) {
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if (auto createResult = device->createSemaphoreUnique(semaphoreInfo); createResult.result == vk::Result::eSuccess) {
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swapImageFreeSemaphore[i] = std::move(createResult.value);
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@ -1093,17 +1121,68 @@ void RendererVK::initGraphicsContext(SDL_Window* window) {
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}
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}
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// Memory is bounded, create views and framebuffer for screentexture
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vk::ImageViewCreateInfo screenTextureViewCreateInfo = {};
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screenTextureViewCreateInfo.viewType = vk::ImageViewType::e2D;
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screenTextureViewCreateInfo.format = vk::Format::eR8G8B8A8Unorm;
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screenTextureViewCreateInfo.components.r = vk::ComponentSwizzle::eR;
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screenTextureViewCreateInfo.components.g = vk::ComponentSwizzle::eG;
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screenTextureViewCreateInfo.components.b = vk::ComponentSwizzle::eB;
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screenTextureViewCreateInfo.components.a = vk::ComponentSwizzle::eA;
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screenTextureViewCreateInfo.subresourceRange = {vk::ImageAspectFlagBits::eColor, 0, 1, 0, 1};
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for (usize i = 0; i < frameBufferingCount; ++i) {
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screenTextureViewCreateInfo.image = screenTexture[i].get();
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if (auto createResult = device->createImageViewUnique(screenTextureViewCreateInfo); createResult.result == vk::Result::eSuccess) {
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screenTextureViews[i] = std::move(createResult.value);
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} else {
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Helpers::panic("Error creating screen texture view: %s\n", vk::to_string(createResult.result).c_str());
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}
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vk::FramebufferCreateInfo framebufferInfo = {};
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framebufferInfo.setRenderPass(getRenderPass(vk::Format::eR8G8B8A8Unorm, {}));
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framebufferInfo.setAttachments(screenTextureViews[i].get());
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framebufferInfo.setWidth(400);
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framebufferInfo.setHeight(240 * 2);
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framebufferInfo.setLayers(1);
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if (auto createResult = device->createFramebufferUnique(framebufferInfo); createResult.result == vk::Result::eSuccess) {
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screenTextureFramebuffers[i] = std::move(createResult.value);
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} else {
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Helpers::panic("Error creating screen-texture framebuffer: %s\n", vk::to_string(createResult.result).c_str());
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}
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}
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static vk::DescriptorSetLayoutBinding displayShaderLayout[] = {
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{// Just a singular texture slot
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0, vk::DescriptorType::eCombinedImageSampler, 1, vk::ShaderStageFlagBits::eFragment},
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};
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if (auto createResult = Vulkan::DescriptorUpdateBatch::create(device.get()); createResult.has_value()) {
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descriptorUpdateBatch = std::make_unique<Vulkan::DescriptorUpdateBatch>(std::move(createResult.value()));
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} else {
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Helpers::panic("Error creating descriptor update batch\n");
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}
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if (auto createResult = Vulkan::DescriptorHeap::create(device.get(), displayShaderLayout); createResult.has_value()) {
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displayDescriptorHeap = std::make_unique<Vulkan::DescriptorHeap>(std::move(createResult.value()));
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} else {
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Helpers::panic("Error creating descriptor heap\n");
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}
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for (usize i = 0; i < frameBufferingCount; ++i) {
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if (auto allocateResult = displayDescriptorHeap->allocateDescriptorSet(); allocateResult.has_value()) {
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topDisplayPipelineDescriptorSet.emplace_back(allocateResult.value());
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} else {
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Helpers::panic("Error creating descriptor set\n");
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}
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if (auto allocateResult = displayDescriptorHeap->allocateDescriptorSet(); allocateResult.has_value()) {
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bottomDisplayPipelineDescriptorSet.emplace_back(allocateResult.value());
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} else {
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Helpers::panic("Error creating descriptor set\n");
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}
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}
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auto vk_resources = cmrc::RendererVK::get_filesystem();
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auto displayVertexShader = vk_resources.open("vulkan_display.vert.spv");
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auto displayFragmentShader = vk_resources.open("vulkan_display.frag.spv");
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