Add BasicStencil test + set default rasterizer to CCW_CullNone

BasicStencil/BasicStencil.csproj

@@ -0,0 +1,17 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\MoonWorks\MoonWorks.csproj" />
+    <ProjectReference Include="..\MoonWorks.Test.Common\MoonWorks.Test.Common.csproj" />
+  </ItemGroup>
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net7.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <Platforms>x64</Platforms>
+  </PropertyGroup>
+
+  <Import Project="$(SolutionDir)NativeAOT_Console.targets" Condition="Exists('$(SolutionDir)NativeAOT_Console.targets')" />
+
+</Project>

BasicStencil/BasicStencilGame.cs

@@ -0,0 +1,111 @@
+using MoonWorks;
+using MoonWorks.Graphics;
+using MoonWorks.Math.Float;
+
+namespace MoonWorks.Test
+{
+    class BasicStencilGame : Game
+    {
+        private GraphicsPipeline maskerPipeline;
+        private GraphicsPipeline maskeePipeline;
+        private Buffer vertexBuffer;
+        private Texture depthStencilTexture;
+
+        public BasicStencilGame() : base(TestUtils.GetStandardWindowCreateInfo(), TestUtils.GetStandardFrameLimiterSettings(), 60, true)
+        {
+            // Load the shaders
+            ShaderModule vertShaderModule = new ShaderModule(GraphicsDevice, TestUtils.GetShaderPath("PositionColorVert"));
+            ShaderModule fragShaderModule = new ShaderModule(GraphicsDevice, TestUtils.GetShaderPath("SolidColor"));
+
+            // Create the graphics pipelines
+            GraphicsPipelineCreateInfo pipelineCreateInfo = TestUtils.GetStandardGraphicsPipelineCreateInfo(
+                MainWindow.SwapchainFormat,
+                vertShaderModule,
+                fragShaderModule
+            );
+            pipelineCreateInfo.AttachmentInfo.HasDepthStencilAttachment = true;
+            pipelineCreateInfo.AttachmentInfo.DepthStencilFormat = TextureFormat.D16S8;
+            pipelineCreateInfo.VertexInputState = VertexInputState.CreateSingleBinding<PositionColorVertex>();
+            pipelineCreateInfo.DepthStencilState = new DepthStencilState
+            {
+                StencilTestEnable = true,
+                FrontStencilState = new StencilOpState
+                {
+                    Reference = 1,
+                    WriteMask = 0xFFFFFFFF,
+                    CompareOp = CompareOp.Never,
+                    FailOp = StencilOp.Replace,
+                }
+            };
+            maskerPipeline = new GraphicsPipeline(GraphicsDevice, pipelineCreateInfo);
+
+            pipelineCreateInfo.DepthStencilState = new DepthStencilState
+            {
+                StencilTestEnable = true,
+                FrontStencilState = new StencilOpState
+                {
+                    Reference = 0,
+                    CompareMask = 0xFFFFFFFF,
+                    WriteMask = 0,
+                    CompareOp = CompareOp.Equal,
+                }
+            };
+            maskeePipeline = new GraphicsPipeline(GraphicsDevice, pipelineCreateInfo);
+
+            // Create and populate the GPU resources
+            depthStencilTexture = Texture.CreateTexture2D(
+                GraphicsDevice,
+                MainWindow.Width,
+                MainWindow.Height,
+                TextureFormat.D16S8,
+                TextureUsageFlags.DepthStencilTarget
+            );
+            vertexBuffer = Buffer.Create<PositionColorVertex>(GraphicsDevice, BufferUsageFlags.Vertex, 6);
+
+            CommandBuffer cmdbuf = GraphicsDevice.AcquireCommandBuffer();
+            cmdbuf.SetBufferData(
+                vertexBuffer,
+                new PositionColorVertex[]
+                {
+                    new PositionColorVertex(new Vector3(-0.5f, 0.5f, 0), Color.Yellow),
+                    new PositionColorVertex(new Vector3(0.5f, 0.5f, 0), Color.Yellow),
+                    new PositionColorVertex(new Vector3(0, -0.5f, 0), Color.Yellow),
+
+                    new PositionColorVertex(new Vector3(-1, 1, 0), Color.Red),
+                    new PositionColorVertex(new Vector3(1, 1, 0), Color.Lime),
+                    new PositionColorVertex(new Vector3(0, -1, 0), Color.Blue),
+                }
+            );
+            GraphicsDevice.Submit(cmdbuf);
+            GraphicsDevice.Wait();
+        }
+
+        protected override void Update(System.TimeSpan delta) { }
+
+        protected override void Draw(double alpha)
+        {
+            CommandBuffer cmdbuf = GraphicsDevice.AcquireCommandBuffer();
+            Texture? backbuffer = cmdbuf.AcquireSwapchainTexture(MainWindow);
+            if (backbuffer != null)
+            {
+                cmdbuf.BeginRenderPass(
+                    new DepthStencilAttachmentInfo(depthStencilTexture, new DepthStencilValue(0, 0), StoreOp.DontCare, StoreOp.DontCare),
+                    new ColorAttachmentInfo(backbuffer, Color.Black)
+                );
+                cmdbuf.BindGraphicsPipeline(maskerPipeline);
+                cmdbuf.BindVertexBuffers(vertexBuffer);
+                cmdbuf.DrawPrimitives(0, 1, 0, 0);
+                cmdbuf.BindGraphicsPipeline(maskeePipeline);
+                cmdbuf.DrawPrimitives(3, 1, 0, 0);
+                cmdbuf.EndRenderPass();
+            }
+            GraphicsDevice.Submit(cmdbuf);
+        }
+
+        public static void Main(string[] args)
+        {
+            BasicStencilGame p = new BasicStencilGame();
+            p.Run();
+        }
+    }
+}

MoonWorks.Test.Common/TestUtils.cs

@@ -39,7 +39,7 @@ namespace MoonWorks.Test
 				DepthStencilState = DepthStencilState.Disable,
 				MultisampleState = MultisampleState.None,
 				PrimitiveType = PrimitiveType.TriangleList,
-				RasterizerState = RasterizerState.CW_CullNone,
+				RasterizerState = RasterizerState.CCW_CullNone,
 				VertexInputState = VertexInputState.Empty,
 				VertexShaderInfo = GraphicsShaderInfo.Create(vertShaderModule, "main", 0),
 				FragmentShaderInfo = GraphicsShaderInfo.Create(fragShaderModule, "main", 0)

MoonWorksGraphicsTests.sln

@@ -53,6 +53,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "RenderTextureMipmaps", "Ren
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "TextureMipmaps", "TextureMipmaps\TextureMipmaps.csproj", "{5A1AC35B-EF18-426D-A633-D4899E84EAA7}"
 EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "BasicStencil", "Stencil\BasicStencil.csproj", "{E3FCEDC2-BAE3-4E21-AEBA-2AC3504526CD}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|x64 = Debug|x64
@@ -159,6 +161,10 @@ Global
 		{5A1AC35B-EF18-426D-A633-D4899E84EAA7}.Debug|x64.Build.0 = Debug|x64
 		{5A1AC35B-EF18-426D-A633-D4899E84EAA7}.Release|x64.ActiveCfg = Release|x64
 		{5A1AC35B-EF18-426D-A633-D4899E84EAA7}.Release|x64.Build.0 = Release|x64
+		{E3FCEDC2-BAE3-4E21-AEBA-2AC3504526CD}.Debug|x64.ActiveCfg = Debug|x64
+		{E3FCEDC2-BAE3-4E21-AEBA-2AC3504526CD}.Debug|x64.Build.0 = Debug|x64
+		{E3FCEDC2-BAE3-4E21-AEBA-2AC3504526CD}.Release|x64.ActiveCfg = Release|x64
+		{E3FCEDC2-BAE3-4E21-AEBA-2AC3504526CD}.Release|x64.Build.0 = Release|x64
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

README.md

@@ -91,3 +91,7 @@ Displays a cubemap generated by rendering to a cube render target. Tests binding
 **RenderTextureMipmaps**
 
 Displays a quad that can be scaled to reveal various mip levels. The mips are solid colors, generated by clearing various levels of the texture in a render pass. Tests rendering to mipmap levels of a render texture, mip LOD bias, min/max LODs, and mip filter modes.
+
+**BasicStencil**
+
+Demonstrates stencil masking using two triangles. Tests stencil buffers and basic stencil operations.