From 0148fe0915c2c6f0357609c9b3e1c99d713fcd2b Mon Sep 17 00:00:00 2001
From: LaG1924 <lag1924@gmail.com>
Date: Sun, 21 Nov 2021 21:26:31 +0500
Subject: Added PostProcess class

---
 src/RenderConfigs.hpp | 60 ++++++++++++++++++++++++++++++++++++++++-----------
 1 file changed, 47 insertions(+), 13 deletions(-)

(limited to 'src/RenderConfigs.hpp')

diff --git a/src/RenderConfigs.hpp b/src/RenderConfigs.hpp
index 9b535ca..793dbb2 100644
--- a/src/RenderConfigs.hpp
+++ b/src/RenderConfigs.hpp
@@ -2,11 +2,49 @@
 
 #include "Gal.hpp"
 
+std::shared_ptr<Gal::Shader> LoadVertexShader(std::string_view assetPath);
+
+std::shared_ptr<Gal::Shader> LoadPixelShader(std::string_view assetPath);
+
+class PostProcess {
+    std::shared_ptr<Gal::Framebuffer> framebuffer;
+    std::shared_ptr<Gal::Buffer> fbBuffer;
+    std::shared_ptr<Gal::Pipeline> pipeline;
+    std::shared_ptr<Gal::PipelineInstance> pipelineInstance;
+    std::shared_ptr<Gal::Texture> result;
+public:
+
+    PostProcess(
+        std::shared_ptr<Gal::Shader> pixelShader,
+        std::vector<std::pair<std::string_view, std::shared_ptr<Gal::Texture>>> inputTextures,
+        std::vector<std::pair<std::string_view, Gal::Type>> inputParameters,
+        size_t width,
+        size_t height,
+        Gal::Format format,
+        Gal::Filtering filtering);
+
+    void Clear() {
+        framebuffer->Clear();
+    }
+
+    void Render() {
+        pipeline->Activate();
+        pipelineInstance->Activate();
+        pipelineInstance->Render(0, 6);
+    }
+
+    template<typename T>
+    void SetShaderParameter(std::string_view name, T value) {
+        pipeline->SetShaderParameter(name, value);
+    }
+
+    std::shared_ptr<Gal::Texture> GetResultTexture() {
+        return result;
+    }
+};
+
 class Gbuffer {
-    std::shared_ptr<Gal::Framebuffer> lightFramebuffer;
-    std::shared_ptr<Gal::Buffer> lightBuffer;
-    std::shared_ptr<Gal::Pipeline> lightPipeline;
-    std::shared_ptr<Gal::PipelineInstance> lightPipelineInstance;
+    std::unique_ptr<PostProcess> lightingPass;
     std::shared_ptr<Gal::Texture> color; //RGB - color
     std::shared_ptr<Gal::Texture> normal; //RGB - normal
     std::shared_ptr<Gal::Texture> addColor; //RGB - addColor
@@ -14,8 +52,6 @@ class Gbuffer {
     std::shared_ptr<Gal::Texture> depthStencil;
     std::shared_ptr<Gal::Framebuffer> geomFramebuffer;
 
-    std::shared_ptr<Gal::Texture> finalColor;
-
 public:
     Gbuffer(size_t geomW, size_t geomH, size_t lightW, size_t lightH);
 
@@ -24,22 +60,20 @@ public:
     }
 
     std::shared_ptr<Gal::Texture> GetFinalTexture() {
-        return finalColor;
+        return lightingPass->GetResultTexture();
     }
 
     void Render() {
-        lightPipeline->Activate();
-        lightPipelineInstance->Activate();
-        lightPipelineInstance->Render(0, 6);
+        lightingPass->Render();
     }
 
     void Clear() {
         geomFramebuffer->Clear();
-        lightFramebuffer->Clear();
+        lightingPass->Clear();
     }
 
     void SetDayTime(float dayTime) {
-        lightPipeline->SetShaderParameter("dayTime", dayTime);
+        lightingPass->SetShaderParameter("dayTime", dayTime);
     }
 
     int GetMaxRenderBuffers() {
@@ -47,6 +81,6 @@ public:
     }
 
     void SetRenderBuff(int renderBuff) {
-        lightPipeline->SetShaderParameter("renderBuff", renderBuff);
+        lightingPass->SetShaderParameter("renderBuff", renderBuff);
     }
 };
-- 
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