+ FPS Display

- Optimize for Test in triangle

URasterizer/Assembly-CSharp.csproj

@@ -37,6 +37,7 @@
   </PropertyGroup>
   <ItemGroup>
      <Compile Include="Assets\URasterizer\Codes\HandmakeMesh.cs" />
+     <Compile Include="Assets\URasterizer\Codes\ProfileManager.cs" />
      <Compile Include="Assets\URasterizer\Codes\FragmentShader.cs" />
      <Compile Include="Assets\URasterizer\Codes\RenderingObject.cs" />
      <Compile Include="Assets\URasterizer\Codes\VertexColors.cs" />
@@ -46,7 +47,7 @@
      <Compile Include="Assets\URasterizer\Codes\Triangle.cs" />
      <Compile Include="Assets\URasterizer\Codes\Rasterizer.cs" />
      <Compile Include="Assets\URasterizer\Codes\TransformTool.cs" />
-     <Compile Include="Assets\URasterizer\Codes\ProfileManager.cs" />
+     <Compile Include="Assets\URasterizer\Codes\FPSDisplay.cs" />
      <None Include="Assets\URasterizer\DefaultShader.shader" />
      <None Include="Assets\URasterizer\URComputeShader.compute" />
     <Reference Include="UnityEngine">

URasterizer/Assets/Samples/Scenes/URasterizerScene.unity

@@ -324,6 +324,7 @@ GameObject:
   - component: {fileID: 264331599}
   - component: {fileID: 264331601}
   - component: {fileID: 264331598}
+  - component: {fileID: 264331602}
   m_Layer: 0
   m_Name: Main Camera
   m_TagString: MainCamera
@@ -417,6 +418,21 @@ MonoBehaviour:
   rawImg: {fileID: 129304943}
   _mainLight: {fileID: 1933767905}
   _config: {fileID: 11400000, guid: 18e833324d51d904aa0c708c8c56856c, type: 2}
+--- !u!114 &264331602
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 264331597}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: 64bca05a011e9854ca73cf4ae054dad6, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
+  SampleTime: 0.5
+  FontSize: 20
+  TextColor: {r: 0, g: 1, b: 0.33849406, a: 1}
 --- !u!1 &666679034
 GameObject:
   m_ObjectHideFlags: 0

URasterizer/Assets/URasterizer/Codes/FPSDisplay.cs

+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.UI;
+
+public class FPSDisplay : MonoBehaviour
+{
+    public float SampleTime = 1f;    
+
+    public int FontSize = 20;
+    public Color TextColor = Color.white;
+
+    GUIStyle style;
+
+    int frameCount;
+    float timeTotal;
+    string textDisplay;
+
+    void Awake(){
+        style = new GUIStyle();
+        style.fontSize = FontSize;
+        style.normal.textColor = TextColor;
+    }
+
+    void Start()
+    {
+        frameCount = 0;
+        timeTotal = 0;
+        textDisplay = "";
+    }
+
+    void Update(){
+        ++frameCount;
+        timeTotal += Time.unscaledDeltaTime;
+        if(timeTotal >= SampleTime){
+            float fps = frameCount / timeTotal;
+            textDisplay = $"FPS:{fps.ToString("F2")}";
+            frameCount = 0;
+            timeTotal = 0;
+        }
+    }
+
+    void OnGUI(){
+        GUI.Label(new Rect(10, 10, 200, 100), textDisplay, style);
+    }
+}

URasterizer/Assets/URasterizer/Codes/FPSDisplay.cs.meta

+fileFormatVersion: 2
+guid: 64bca05a011e9854ca73cf4ae054dad6
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

URasterizer/Assets/URasterizer/Codes/Rasterizer.cs

@@ -251,9 +251,9 @@ namespace URasterizer
                 
                 outBuffer.GetData(vsOutput);      
 
-                vertexBuffer.Dispose();
-                normalBuffer.Dispose();
-                outBuffer.Dispose();      
+                vertexBuffer.Release();
+                normalBuffer.Release();
+                outBuffer.Release();      
 
                 ProfileManager.EndSample();                                     
             }
@@ -647,13 +647,16 @@ namespace URasterizer
                 {
                     for(int x = minPX; x < maxPX; ++x)
                     {
-                        if(IsInsideTriangle(x, y, t))
+                        //if(IsInsideTriangle(x, y, t)) //-->检测是否在三角形内比使用重心坐标检测要慢，因此先计算重心坐标，再检查3个坐标是否有小于0
                         {
                             //计算重心坐标
                             var c = ComputeBarycentric2D(x, y, t);
                             float alpha = c.x;
                             float beta = c.y;
                             float gamma = c.z;
+                            if(alpha < 0 || beta < 0 || gamma < 0){                                
+                                continue;
+                            }
                             //透视校正插值，z为透视校正插值后的view space z值
                             float z = 1.0f / (alpha / v[0].w + beta / v[1].w + gamma / v[2].w);
                             //zp为透视校正插值后的screen space z值
@@ -795,7 +798,7 @@ namespace URasterizer
             float c1 = (x * (v[1].y - v[2].y) + (v[2].x - v[1].x) * y + v[1].x * v[2].y - v[2].x * v[1].y) / (v[0].x * (v[1].y - v[2].y) + (v[2].x - v[1].x) * v[0].y + v[1].x * v[2].y - v[2].x * v[1].y);
             float c2 = (x * (v[2].y - v[0].y) + (v[0].x - v[2].x) * y + v[2].x * v[0].y - v[0].x * v[2].y) / (v[1].x * (v[2].y - v[0].y) + (v[0].x - v[2].x) * v[1].y + v[2].x * v[0].y - v[0].x * v[2].y);
             float c3 = (x * (v[0].y - v[1].y) + (v[1].x - v[0].x) * y + v[0].x * v[1].y - v[1].x * v[0].y) / (v[2].x * (v[0].y - v[1].y) + (v[1].x - v[0].x) * v[2].y + v[0].x * v[1].y - v[1].x * v[0].y);
-
+            
             ProfileManager.EndSample();
             return new Vector3(c1, c2, c3);
         }