added render pipeline WIP

TSE_Core/src/BehaviourScripts/Camera.cpp

@@ -101,7 +101,11 @@ void TSE::Camera::SetRenderTarget(IRenderTarget *target)
     if(target != nullptr)
         target->AddResizeNotifiable(this);
     rt = target;
+    if(lastRtSize != rt->GetRawIResizableSize())
+    {
+        lastRtSize = rt->GetRawIResizableSize();
         RecalculateProjMatrix();
+    }
 }
 
 TSE::IRenderTarget *TSE::Camera::GetRenderTarget()

TSE_Core/src/elements/RenderPipeline.cpp

@@ -0,0 +1,40 @@
+#include "RenderPipeline.hpp"
+
+void TSE::RenderPipeline::AddRenderStep(const RenderStep &step)
+{
+    steps.push_back(step);
+}
+
+void TSE::RenderPipeline::AddRenderStepAt(const RenderStep &step, int n)
+{
+    steps.insert(steps.begin() + n, step);
+}
+
+void TSE::RenderPipeline::SetRenderStepAt(const RenderStep &step, int n)
+{
+    steps[n] = step;
+}
+
+void TSE::RenderPipeline::RemoveRenderStepAt(int n)
+{
+    auto i = steps.begin() += n;
+    steps.erase(i);
+}
+
+int TSE::RenderPipeline::GetRenderStepCount()
+{
+    return steps.size();
+}
+
+const TSE::RenderStep &TSE::RenderPipeline::GetRenderStepAt(int n)
+{
+    return steps[n];
+}
+
+TSE::RenderPipeline* TSE::RenderPipeline::CreateEmpty()
+{
+    RenderPipeline* res = new RenderPipeline();
+    RenderStep step;
+    res->AddRenderStep(step);
+    return res;
+}

TSE_Core/src/elements/RenderPipeline.hpp

@@ -0,0 +1,23 @@
+#pragma once
+
+#include "RenderStep.hpp"
+
+namespace TSE
+{
+    class RenderPipeline
+    {
+    private:
+        std::vector<RenderStep> steps;
+
+    public:
+        void AddRenderStep(const RenderStep& step);
+        void AddRenderStepAt(const RenderStep& step, int n);
+        void SetRenderStepAt(const RenderStep& step, int n);
+        void RemoveRenderStepAt(int n);
+
+        int GetRenderStepCount();
+        const RenderStep& GetRenderStepAt(int n);
+
+        static RenderPipeline* CreateEmpty();
+    };
+} // namespace TSE

TSE_Core/src/elements/RenderStep.hpp

@@ -0,0 +1,18 @@
+#pragma once
+
+#include "Layer.hpp"
+#include <vector>
+#include "interfaces/IRenderTarget.hpp"
+#include "Types.hpp"
+
+namespace TSE
+{
+    struct RenderStep
+    {
+    public:
+        std::vector<Layer*> layersToRender;
+        IRenderTarget* target;
+        bool EditorCamera = true;
+    };
+    
+} // namespace TSE

TSE_Core/src/elements/Scene.cpp

@@ -2,10 +2,59 @@
 #include "BehaviourScripts/Camera.hpp"
 #include <algorithm>
 #include "Debug.hpp"
+#include "RenderPipeline.hpp"
 
 void TSE::Scene::Render(IRenderer &rnd, const IWindow &wnd)
 {
+    RenderPipeline* pipeline = IRenderer::pipeline;
     auto camerasBackup = std::vector<Camera*>(IRenderer::camerasToRenderWith);
+    
+    if(pipeline != nullptr)
+    {
+        for(int i = 0; i < pipeline->GetRenderStepCount(); i++)
+        {
+            IRenderer::camerasToRenderWith = std::vector<Camera*>(camerasBackup);
+            const RenderStep& step = pipeline->GetRenderStepAt(i);
+            if(!step.EditorCamera)
+            {
+                
+                for(int i = 0; i < IRenderer::camerasToRenderWith.size(); i++)
+                {
+                    if(IRenderer::camerasToRenderWith[i]->baseObject->name == ".EditorCamera")
+                    IRenderer::camerasToRenderWith.erase(IRenderer::camerasToRenderWith.begin() + i);
+                }
+            }
+            for(int i = 0; i < IRenderer::camerasToRenderWith.size(); i++)
+            {
+                if(IRenderer::camerasToRenderWith[i]->baseObject->name != ".EditorCamera")
+                IRenderer::camerasToRenderWith[i]->SetRenderTarget(step.target);
+            }
+            
+            int counter = 1;
+
+            for(auto l : step.layersToRender)
+            {
+                if(!l->IsVisual()) continue;
+                l->Render(rnd);
+                if(counter++ != layers.size())
+                {
+                    rnd.End(); //OPTIMIZE:
+                    //takes up 13,97% of function, but only needed, if there is more then one layer
+                    //possible optimizations:
+                    // -remove layers
+                    // -make layer calculations, in shader
+                    // -make an offset, that is calculated on cpu, and then commit everything at once
+
+                    // now it is better because it is only done once per frame if only one shader is used, or textures are full, or more then one layers are used
+                    rnd.Flush();
+                    rnd.Begin();
+                    wnd.ClearDepthBuffer();
+                }
+            }
+        }
+    }
+    else
+    {
         int counter = 1;
         for(auto l : layers)
         {
@@ -36,6 +85,7 @@ void TSE::Scene::Render(IRenderer &rnd, const IWindow &wnd)
                 wnd.ClearDepthBuffer();
             }
         }
+    }
 }
 
 void TSE::Scene::DoneRender()

TSE_Core/src/interfaces/IRenderer.hpp

@@ -7,11 +7,13 @@
 namespace TSE
 {
     class Camera;
+    class RenderPipeline;
 
     class IRenderer
     {
         public:
 
+        inline static TSE::RenderPipeline* pipeline = nullptr;
         static std::vector<Camera*> camerasToRenderWith;
 
         virtual void End() = 0;

TSE_Core/src/interfaces/IResizable.hpp

@@ -2,6 +2,7 @@
 
 #include <list>
 #include "IResizeNotifiable.hpp"
+#include "Vector2.hpp"
 
 namespace TSE
 {
@@ -15,5 +16,9 @@ namespace TSE
         public:
         void AddResizeNotifiable(IResizeNotifiable* obj);
         void RemoveResizeNotifiable(IResizeNotifiable* obj);
+        inline Vector2 GetRawIResizableSize()
+        {
+            return Vector2(width, height);
+        };
     };
 } // namespace TSE