[Rendering] SDLGPU WIP;

Author: LittleCodingFox

Engine/Staple.Core/Rendering/Access.cs

@@ -18,7 +18,7 @@ public static class Screen
     /// <summary>
     /// The current window mode for the game/app.
     /// </summary>
-    public static WindowMode WindowMode => AppPlayer.instance == null ? WindowMode.Windowed : AppPlayer.instance.playerSettings.windowMode;
+    public static WindowMode WindowMode => AppPlayer.instance?.playerSettings?.windowMode ?? WindowMode.Windowed;
 
     /// <summary>
     /// The refresh rate of the screen

Engine/Staple.Core/Rendering/Screen.cs

@@ -191,7 +191,6 @@
 		<Compile Include="Rendering\Lighting\LightSystem.cs" />
 		<Compile Include="Rendering\Lighting\LightType.cs" />
 		<Compile Include="Rendering\MaterialLighting.cs" />
-		<Compile Include="Rendering\Access.cs" />
 		<Compile Include="Rendering\Mesh\MeshCombine.cs" />
 		<Compile Include="Rendering\Mesh\MeshCombineSystem.cs" />
 		<Compile Include="Rendering\Mesh\MeshInstanceOptions.cs" />

Engine/Staple.Core/Staple.Core.csproj

@@ -460,7 +460,7 @@ private void Render(ImDrawDataPtr drawData)
                                         }
                                     }
 
-                                    target.Destroy();
+                                    target?.Destroy();
 
                                     target = Texture.CreatePixels($"ImGui {texture.UniqueID}", pixels,
                                         (ushort)texture.Width, (ushort)texture.Height,
@@ -474,10 +474,10 @@ private void Render(ImDrawDataPtr drawData)
                                             _ => TextureFormat.RGBA8,
                                         });
 
-                                    if(target != null)
-                                    {
-                                        textures[index] = (target, pixels, bytesPerPixel);
+                                    textures[index] = (target, pixels, bytesPerPixel);
 
+                                    if (target != null)
+                                    {
                                         texture.SetTexID(new ImTextureID(index));
                                     }
                                     else
@@ -499,7 +499,7 @@ private void Render(ImDrawDataPtr drawData)
 
                                 if (textures.TryGetValue(index, out var item))
                                 {
-                                    item.Item1.Destroy();
+                                    item.Item1?.Destroy();
 
                                     textures.Remove(index);
 
@@ -602,11 +602,11 @@ private void Render(ImDrawDataPtr drawData)
                             {
                                 var index = (int)drawCmd.GetTexID().Handle;
 
-                                if (this.textures.TryGetValue(index, out var item))
+                                if (this.textures.TryGetValue(index, out var item) && item.Item1 != null)
                                 {
                                     singleTexture[0] = item.Item1;
                                 }
-                                else if (registeredTextures.TryGetValue(index, out var t))
+                                else if (registeredTextures.TryGetValue(index, out var t) && t != null)
                                 {
                                     singleTexture[0] = t;
                                 }

Engine/Staple.Editor/ImGuiProxy.cs

@@ -666,42 +666,6 @@ threadCountYObject is long threadCountY &&
                         }
                     }
 
-                    string GetNativeShaderType(ShaderParameter parameter, int index, bool uniform)
-                    {
-                        var uniformString = uniform ? "uniform " : "";
-                        var name = parameter.name;
-
-                        if (int.TryParse(parameter.defaultValue, out var bufferIndex) == false)
-                        {
-                            bufferIndex = -1;
-                        }
-
-                        return parameter.type switch
-                        {
-                            ShaderUniformType.Int => uniform ? $"{uniformString}vec4 {name}_uniform;\n#define {name} int({name}_uniform.x)\n" : $"float {name}",
-                            ShaderUniformType.Float => uniform ? $"{uniformString}vec4 {name}_uniform;\n#define {name} {name}_uniform.x\n" : $"float {name}",
-                            ShaderUniformType.Vector2 => uniform ? $"{uniformString}vec4 {name}_uniform;\n#define {name} {name}_uniform.xy\n" : $"vec2 {name}",
-                            ShaderUniformType.Vector3 => uniform ? $"{uniformString}vec4 {name}_uniform;\n#define {name} {name}_uniform.xyz\n" : $"vec3 {name}",
-                            ShaderUniformType.Color or ShaderUniformType.Vector4 => $"{uniformString}vec4 {name}",
-                            ShaderUniformType.Texture => $"SAMPLER2D({name}, {index})",
-                            ShaderUniformType.Matrix3x3 => $"{uniformString}mat3 {name}",
-                            ShaderUniformType.Matrix4x4 => $"{uniformString}mat4 {name}",
-                            ShaderUniformType.ReadOnlyBuffer => $"BUFFER_RO({name}, {parameter.vertexAttribute}, {bufferIndex})",
-                            ShaderUniformType.WriteOnlyBuffer => $"BUFFER_WO({name}, {parameter.vertexAttribute}, {bufferIndex})",
-                            ShaderUniformType.ReadWriteBuffer => $"BUFFER_RW({name}, {parameter.vertexAttribute}, {bufferIndex})",
-                            _ => $"{uniformString}vec4 {name}",
-                        };
-                    }
-
-                    bool ShaderTypeHasEndTerminator(ShaderUniformType type)
-                    {
-                        return type switch
-                        {
-                            ShaderUniformType.Int or ShaderUniformType.Float or ShaderUniformType.Vector2 or ShaderUniformType.Vector3 => false,
-                            _ => true,
-                        };
-                    }
-
                     bool Build(string variantKey, List<string> extraDefines)
                     {
                         string code;