Added attachment resizing + viewport scissoring

Nuake/src/Rendering/Vulkan/Pipeline/RenderPipeline.cpp

@@ -13,6 +13,11 @@ TextureAttachment::TextureAttachment(const std::string& name, ImageFormat format
 	Name(name),
 	Format(format)
 {
+	Image = std::make_shared<VulkanImage>(format, Vector2(1280, 720));
+
+	// Create default texture I guess?
+	auto& gpuResources = GPUResources::Get();
+	gpuResources.AddTexture(Image);
 }
 
 RenderPass::RenderPass(const std::string& name) :
@@ -22,6 +27,24 @@ RenderPass::RenderPass(const std::string& name) :
 
 void RenderPass::ClearAttachments(PassRenderContext& ctx)
 {
+	// Resize
+	for(auto& attachment : Attachments)
+	{
+		if (attachment.Image->GetSize() == ctx.resolution)
+		{
+			continue;
+		}
+
+		auto newAttachment = std::make_shared<VulkanImage>(attachment.Format, ctx.resolution);
+		attachment.Image = newAttachment;
+
+		// Register to resource manager
+		auto& gpuResources = GPUResources::Get();
+		gpuResources.AddTexture(newAttachment);
+
+		// TODO: Queue deletion of old textures
+	}
+
 	// Clear all color attachments
 	VkClearColorValue clearValue = { { 0.0f, 0.0f, 0.0f, 1.0f } };
 	VkImageSubresourceRange clearRange = VulkanInit::ImageSubResourceRange(VK_IMAGE_ASPECT_COLOR_BIT);
@@ -52,6 +75,7 @@ void RenderPass::Render(PassRenderContext& ctx)
 		PreRender(ctx);
 	}
 
+	
 	// Begin rendering and bind pipeline
 	std::vector<VkRenderingAttachmentInfo> renderAttachmentInfos;
 	renderAttachmentInfos.reserve(Attachments.size());
@@ -73,6 +97,24 @@ void RenderPass::Render(PassRenderContext& ctx)
 	{
 		vkCmdBindPipeline(ctx.commandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, Pipeline);
 
+		VkViewport viewport = {};
+		viewport.x = 0;
+		viewport.y = 0;
+		viewport.width = ctx.resolution.x;
+		viewport.height = ctx.resolution.y;
+		viewport.minDepth = 0.f;
+		viewport.maxDepth = 1.f;
+
+		vkCmdSetViewport(ctx.commandBuffer, 0, 1, &viewport);
+
+		VkRect2D scissor = {};
+		scissor.offset.x = 0;
+		scissor.offset.y = 0;
+		scissor.extent.width = ctx.resolution.x;
+		scissor.extent.height = ctx.resolution.y;
+		vkCmdSetScissor(ctx.commandBuffer, 0, 1, &scissor);
+
+
 		if (RenderCb)
 		{
 			RenderCb(ctx);

Nuake/src/Rendering/Vulkan/RenderContext.h

@@ -11,6 +11,7 @@ namespace Nuake
 	{
 		Ref<Scene> CurrentScene;		// The scene we are rendering	
 		VkCommandBuffer CommandBuffer;  // The command buffer we are recording into
+		Vector2 Size;
 		// ...
 		// We might add more to this!
 	};

Nuake/src/Rendering/Vulkan/VulkanSceneRenderer.cpp

@@ -109,7 +109,8 @@ void VkSceneRenderer::Init()
 
 void VkSceneRenderer::BeginScene(RenderContext inContext)
 {
-	Context = inContext;
+	Context.CommandBuffer = inContext.CommandBuffer;
+	Context.CurrentScene = inContext.CurrentScene;
 
 	// Collect all global transform of things we will render
 	BuildMatrixBuffer();
@@ -129,7 +130,7 @@ void VkSceneRenderer::BeginScene(RenderContext inContext)
 		throw std::runtime_error("Draw image is not initialized");
 	}
 	
-	PassRenderContext passCtx = { inContext.CurrentScene, inContext.CommandBuffer };
+	PassRenderContext passCtx = { inContext.CurrentScene, inContext.CommandBuffer, Context.Size };
 	GBufferPipeline.Execute(passCtx);
 
 	// Ensure the pipeline is valid
@@ -251,7 +252,6 @@ void VkSceneRenderer::DrawScene()
 		for (auto e : view)
 		{
 			auto [transform, mesh, visibility] = view.get<TransformComponent, ModelComponent, VisibilityComponent>(e);
-
 			if (!mesh.ModelResource || !visibility.Visible)
 			{
 				continue;
@@ -290,7 +290,6 @@ void VkSceneRenderer::DrawScene()
 				vkCmdBindDescriptorSets(cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, BasicPipelineLayout, 3, 1, &imageSet, 0, nullptr);
 
 				vkCmdBindDescriptorSets(cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, BasicPipelineLayout, 4, 1, &SamplerDescriptor, 0, nullptr);
-
 				
 				modelPushConstant.Index = ModelMatrixMapping[entity.GetID()];
 				modelPushConstant.MaterialIndex = MeshMaterialMapping[vkMesh->GetID()];
@@ -506,11 +505,14 @@ void VkSceneRenderer::CreatePipelines()
 	gBufferPass.AddAttachment("Depth", ImageFormat::D32F, ImageUsage::Depth);
 	gBufferPass.SetPushConstant<ModelPushConstant>(modelPushConstant);
 
+	gBufferPass.SetPreRender([](PassRenderContext& ctx) {});
+
 	GBufferPipeline.Build();
 }
 
 void VkSceneRenderer::SetGBufferSize(const Vector2& size)
 {
+	Context.Size = size;
 	GBufferAlbedo = CreateRef<VulkanImage>(ImageFormat::RGBA16F, size);
 	GBufferDepthImage = CreateRef<VulkanImage>(ImageFormat::D32F, size, ImageUsage::Depth);
 	GBufferNormal = CreateRef<VulkanImage>(ImageFormat::RGBA16F, size);