From 76bae46dbc167838531eaae85b0d41aab5e0741f Mon Sep 17 00:00:00 2001
From: Tyler Murphy <tylermurphy534@gmail.com>
Date: Wed, 21 Sep 2022 12:36:12 -0400
Subject: self define descriptors

---
 engine/xe_render_system.hpp | 66 +++++++++++++++++++++++++++++++++++----------
 1 file changed, 52 insertions(+), 14 deletions(-)

(limited to 'engine/xe_render_system.hpp')

diff --git a/engine/xe_render_system.hpp b/engine/xe_render_system.hpp
index d6b24b5..ae68f53 100644
--- a/engine/xe_render_system.hpp
+++ b/engine/xe_render_system.hpp
@@ -10,19 +10,55 @@
 #include "xe_image.hpp"
 
 #include <memory>
+#include <map>
 
 namespace xe {
 
 class XeRenderSystem {
   public:
   
+    class Builder {
+      public:
+        Builder(XeEngine &xeEngine, std::string vert, std::string frag) : xeEngine{xeEngine}, vert{vert}, frag{frag} {}
+
+        Builder& addPushConstant(uint32_t size) {
+          pushCunstantDataSize = size;
+          return *this;
+        }
+
+        Builder& addUniformBinding(uint32_t binding, uint32_t size) {
+          uniformBindings[binding] = size;
+          return *this;
+        }
+
+        Builder& addTextureBinding(uint32_t binding, XeImage* image) {
+          imageBindings[binding] = image;
+          return *this;
+        }
+
+        std::unique_ptr<XeRenderSystem> build() {
+          return std::make_unique<XeRenderSystem>(xeEngine, std::move(vert), std::move(frag), std::move(uniformBindings), std::move(imageBindings), std::move(pushCunstantDataSize));
+        }
+
+      private:
+
+        std::map<uint32_t, uint32_t> uniformBindings{};
+        std::map<uint32_t, XeImage*> imageBindings{};
+        uint32_t pushCunstantDataSize{0};
+
+        std::string vert;
+        std::string frag;
+
+        XeEngine &xeEngine;
+    };
+
     XeRenderSystem(
       XeEngine &xeEngine,
       std::string vert,
-      std::string frag, 
-      uint32_t pushCunstantDataSize,
-      uint32_t uniformBufferDataSize,
-      XeImage *image
+      std::string frag,
+      std::map<uint32_t, uint32_t> uniformBindings,
+      std::map<uint32_t, XeImage*> imageBindings,
+      uint32_t pushCunstantDataSize
     );
 
     ~XeRenderSystem();
@@ -32,37 +68,39 @@ class XeRenderSystem {
 
     void start();
     void loadPushConstant(void *pushConstantData);
-    void loadUniformObject(void *uniformBufferData);
-    void loadTexture(XeImage *image);
+    void loadUniformObject(uint32_t binding, void *uniformBufferData);
+    void loadTexture(uint32_t binding, XeImage *image);
     void render(XeGameObject &gameObject);
     void stop();
 
   private:
   
+    void createTextureSampler();
     void createDescriptorSetLayout();
     void createUniformBuffers();
-    void createDescriptorSets(XeImage *image);
-    void updateDescriptorSet(XeImage *image, int frameIndex, bool allocate);
+    void createDescriptorSets();
+    void updateDescriptorSet(int frameIndex, bool allocate);
     void createPipelineLayout();
     void createPipeline(VkRenderPass renderPass, std::string vert, std::string frag);
 
     bool boundPipeline{false};
     bool boundDescriptor{false};
 
-    uint32_t uniformBufferDataSize;
-    uint32_t pushCunstantDataSize;
-    bool textureSamplerBinding;
-
+  
     XeDevice& xeDevice;
     XeRenderer& xeRenderer;
 
-    std::unique_ptr<XePipeline> xePipeline;
-    std::vector<std::unique_ptr<XeBuffer>> uboBuffers;
+    std::map<uint32_t, std::vector<std::unique_ptr<XeBuffer>>> uboBuffers{};
+    std::map<uint32_t, uint32_t> uniformBindings;
+    std::map<uint32_t, XeImage*> imageBindings;
     std::vector<VkDescriptorSet> descriptorSets;
 
+    uint32_t pushCunstantDataSize;
+
     VkSampler textureSampler;
     
     VkPipelineLayout pipelineLayout;
+    std::unique_ptr<XePipeline> xePipeline;
     std::unique_ptr<XeDescriptorPool> &xeDescriptorPool;
     std::unique_ptr<XeDescriptorSetLayout> xeDescriptorSetLayout;
 
-- 
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