- folder structure

URasterizer/Assembly-CSharp.csproj

@@ -36,6 +36,7 @@
     <ImplicitlyExpandDesignTimeFacades>false</ImplicitlyExpandDesignTimeFacades>
   </PropertyGroup>
   <ItemGroup>
+     <Compile Include="Assets\URasterizer\Codes\JobRasterizer\VertexJob.cs" />
      <Compile Include="Assets\URasterizer\Codes\Common\HandmakeMesh.cs" />
      <Compile Include="Assets\URasterizer\Codes\Common\FPSDisplay.cs" />
      <Compile Include="Assets\URasterizer\Codes\Common\ProfileManager.cs" />
@@ -43,6 +44,7 @@
      <Compile Include="Assets\URasterizer\Codes\CPURasterizer\FragmentShader.cs" />
      <Compile Include="Assets\URasterizer\Codes\JobRasterizer\TriangleJob.cs" />
      <Compile Include="Assets\URasterizer\Codes\Common\IRenderObjectData.cs" />
+     <Compile Include="Assets\URasterizer\Codes\Common\URUtils.cs" />
      <Compile Include="Assets\URasterizer\Codes\JobRasterizer\JobRenderObjectData.cs" />
      <Compile Include="Assets\URasterizer\Codes\Common\CommonDef.cs" />
      <Compile Include="Assets\URasterizer\Codes\RenderingObject.cs" />
@@ -57,14 +59,12 @@
      <Compile Include="Assets\URasterizer\Codes\CPURasterizer\CPURasterizer.cs" />
      <Compile Include="Assets\URasterizer\Codes\GPURasterizer\GPURasterizer.cs" />
      <Compile Include="Assets\URasterizer\Codes\Common\TransformTool.cs" />
-     <Compile Include="Assets\URasterizer\Codes\Common\URUtils.cs" />
-     <Compile Include="Assets\URasterizer\Codes\JobRasterizer\VertexJob.cs" />
-     <None Include="Assets\URasterizer\Shaders\URVertexShader.hlsl" />
+     <None Include="Assets\URasterizer\Codes\GPURasterizer\Shaders\URVertexShader.hlsl" />
      <None Include="Assets\URasterizer\DefaultAssets\DefaultShader.shader" />
-     <None Include="Assets\URasterizer\Shaders\URCommon.hlsl" />
-     <None Include="Assets\URasterizer\Shaders\URTriangleProcess.hlsl" />
-     <None Include="Assets\URasterizer\Shaders\URFragmentShader.hlsl" />
-     <None Include="Assets\URasterizer\Shaders\URComputeShader.compute" />
+     <None Include="Assets\URasterizer\Codes\GPURasterizer\Shaders\URCommon.hlsl" />
+     <None Include="Assets\URasterizer\Codes\GPURasterizer\Shaders\URTriangleProcess.hlsl" />
+     <None Include="Assets\URasterizer\Codes\GPURasterizer\Shaders\URFragmentShader.hlsl" />
+     <None Include="Assets\URasterizer\Codes\GPURasterizer\Shaders\URComputeShader.compute" />
     <Reference Include="UnityEngine">
         <HintPath>C:\Program Files\Unity\Hub\Editor\Unity 2020.3.25f1c1\Editor\Data\Managed\UnityEngine\UnityEngine.dll</HintPath>
     </Reference>

URasterizer/Assets/Samples/Scenes/TestScene01.unity

@@ -405,7 +405,7 @@ PrefabInstance:
       objectReference: {fileID: 0}
     - target: {fileID: 919132149155446097, guid: 0b4771b06a3a8614b822c760aaba2a18, type: 3}
       propertyPath: m_IsActive
-      value: 0
+      value: 1
       objectReference: {fileID: 0}
     m_RemovedComponents: []
   m_SourcePrefab: {fileID: 100100000, guid: 0b4771b06a3a8614b822c760aaba2a18, type: 3}
@@ -631,7 +631,7 @@ PrefabInstance:
       objectReference: {fileID: 0}
     - target: {fileID: 919132149155446097, guid: 0b4771b06a3a8614b822c760aaba2a18, type: 3}
       propertyPath: m_IsActive
-      value: 0
+      value: 1
       objectReference: {fileID: 0}
     m_RemovedComponents: []
   m_SourcePrefab: {fileID: 100100000, guid: 0b4771b06a3a8614b822c760aaba2a18, type: 3}

URasterizer/Assets/URasterizer/Codes/CPURasterizer/CPURasterizer.cs

@@ -662,6 +662,7 @@ namespace URasterizer
                                     input.TextureData = ro.texture.GetPixelData<URColor24>(0);
                                     input.TextureWidth = ro.texture.width;
                                     input.TextureHeight = ro.texture.height;
+                                    input.UseBilinear = _config.BilinearSample;
                                     input.LocalNormal = normal_p;
                                     input.WorldPos = worldPos_p;
                                     input.WorldNormal = worldNormal_p;

URasterizer/Assets/URasterizer/Codes/CPURasterizer/FragmentShader.cs

-using System.Collections;
-using System.Collections.Generic;
+
 using UnityEngine;
 using Unity.Collections;
+using System.Runtime.CompilerServices;
 
 namespace URasterizer
 {
@@ -30,6 +30,7 @@ namespace URasterizer
         public NativeArray<URColor24> TextureData; //因为我们的纹理都是RGB格式的(24位)，所以不能用Color32(32位)
         public int TextureWidth;
         public int TextureHeight;
+        public bool UseBilinear;
     }
 
     public struct ShaderUniforms
@@ -54,36 +55,60 @@ namespace URasterizer
         public static ShaderUniforms Uniforms;
         public static RenderingConfig Config;
 
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public static Color FSVertexColor(FragmentShaderInputData input)
         {
             return input.Color;
         }
 
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        static Color GetTextureColor(NativeArray<URColor24> textureData, int w, int h, int x, int y)
+        {      
+            int tidx = y*w + x;                                    
+            URColor24 c = textureData[tidx];            
+            return (Color)c;
+        }
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public static Color FSBlinnPhong(FragmentShaderInputData input)
         {
-            
+            Color textureColor;
             int w = input.TextureWidth;
             int h = input.TextureHeight;
-            int x = (int)(w * input.UV.x);
-            int y = (int)(h * input.UV.y);
-            int tidx = y*w + x;
-                                    
-            URColor24 c = input.TextureData[tidx];            
-            Color textureColor = (URColor24)c;
-            // if (input.Texture != null)
-            // {
-            //     int w = input.Texture.width;
-            //     int h = input.Texture.height;
-            //     if (Config.BilinearSample)
-            //     {
-            //         textureColor = input.Texture.GetPixelBilinear(input.UV.x, input.UV.y);
-            //     }
-            //     else
-            //     {
-            //         textureColor = input.Texture.GetPixel((int)(w * input.UV.x), (int)(h * input.UV.y));
-            //     }
-                
-            // }
+                        
+            if(input.UseBilinear)
+            {
+                float u_img = input.UV.x * w;
+                int u_img_i = (int)(u_img);
+                int u0 = u_img < u_img_i + 0.5 ? u_img_i - 1 : u_img_i;
+                if(u0<0) u0 = 0;
+                int u1 = u0 + 1;
+                float s = u_img - (u0 + 0.5f);
+
+                float v_img = input.UV.y * h;
+                int v_img_i = (int)(v_img);        
+                int v0 = v_img < v_img_i + 0.5 ? v_img_i-1 : v_img_i;
+                if(v0<0) v0 = 0;
+                int v1 = v0 + 1;
+                float t = v_img - (v0 + 0.5f); 
+
+                var color_00 = GetTextureColor(input.TextureData, w, h, u0, v0);
+                var color_10 = GetTextureColor(input.TextureData, w, h, u1, v0);
+                var color_0 = Color.Lerp(color_00, color_10, s);
+
+                var color_01 = GetTextureColor(input.TextureData, w, h, u0, v1);
+                var color_11 = GetTextureColor(input.TextureData, w, h, u1, v1);
+                var color_1 = Color.Lerp(color_01, color_11, s);
+
+                textureColor = Color.Lerp(color_0, color_1, t);
+
+            }
+            else
+            {
+                int x = (int)(w * input.UV.x);
+                int y = (int)(h * input.UV.y);                            
+                textureColor = GetTextureColor(input.TextureData, w, h, x, y);
+            }            
                         
             Color ambient = Uniforms.AmbientColor;
 
@@ -104,6 +129,7 @@ namespace URasterizer
             return ambient + diffuse + specular;
         }
 
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public static Color FSNormalVisual(FragmentShaderInputData input)
         {
             Vector3 tmp = input.LocalNormal * 0.5f + new Vector3(0.5f,0.5f,0.5f);

URasterizer/Assets/URasterizer/Codes/JobRasterizer/JobRasterizer.cs

@@ -191,6 +191,7 @@ namespace URasterizer
             triJob.TextureData = ro.texture.GetPixelData<URColor24>(0);
             triJob.TextureWidth = ro.texture.width;
             triJob.TextureHeight = ro.texture.height;
+            triJob.UseBilinear = _config.BilinearSample;
             triJob.fsType = _config.FragmentShaderType;
             JobHandle triHandle = triJob.Schedule(ro.jobData.trianglesData.Length, 1, vsHandle);
 

URasterizer/Assets/URasterizer/Codes/JobRasterizer/TriangleJob.cs

@@ -25,7 +25,9 @@ namespace URasterizer
         [ReadOnly]
         public NativeArray<URColor24> TextureData;   
         public int TextureWidth;
-        public int TextureHeight;     
+        public int TextureHeight;  
+
+        public bool UseBilinear;   
 
         public ShaderType fsType;                 
                 
@@ -258,6 +260,7 @@ namespace URasterizer
                         input.TextureData = TextureData;
                         input.TextureWidth = TextureWidth;
                         input.TextureHeight = TextureHeight;
+                        input.UseBilinear = UseBilinear;
                         input.LocalNormal = normal_p;
                         input.WorldPos = worldPos_p;
                         input.WorldNormal = worldNormal_p;

URasterizer/Assets/URasterizer/RenderingConfig.asset

@@ -14,7 +14,7 @@ MonoBehaviour:
   m_EditorClassIdentifier: 
   ClearColor: {r: 0.4716981, g: 0.4716981, b: 0.4716981, a: 0.72156864}
   AmbientColor: {r: 0.0754717, g: 0.0754717, b: 0.0754717, a: 1}
-  RasterizerType: 0
+  RasterizerType: 1
   UseUnityNativeRendering: 0
   WireframeMode: 0
   FrustumCulling: 1