Add RenderTextureCube test + clean up copy-paste msitakes from Texture3DGame tests

MoonWorksGraphicsTests.sln

@@ -45,7 +45,9 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "InstancingAndOffsets", "Ins
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "VertexSampler", "VertexSampler\VertexSampler.csproj", "{C525B6DE-3003-45D5-BB83-89679B108C08}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "RenderTexture3D", "RenderTexture3D\RenderTexture3D.csproj", "{6D625A4C-8618-4DFC-A6AD-AA3BE3488D70}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "RenderTexture3D", "RenderTexture3D\RenderTexture3D.csproj", "{6D625A4C-8618-4DFC-A6AD-AA3BE3488D70}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "RenderTextureCube", "RenderTextureCube\RenderTextureCube.csproj", "{D7A8452F-123F-4965-8716-9E39F677A831}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -141,6 +143,10 @@ Global
 		{6D625A4C-8618-4DFC-A6AD-AA3BE3488D70}.Debug|x64.Build.0 = Debug|x64
 		{6D625A4C-8618-4DFC-A6AD-AA3BE3488D70}.Release|x64.ActiveCfg = Release|Any CPU
 		{6D625A4C-8618-4DFC-A6AD-AA3BE3488D70}.Release|x64.Build.0 = Release|Any CPU
+		{D7A8452F-123F-4965-8716-9E39F677A831}.Debug|x64.ActiveCfg = Debug|x64
+		{D7A8452F-123F-4965-8716-9E39F677A831}.Debug|x64.Build.0 = Debug|x64
+		{D7A8452F-123F-4965-8716-9E39F677A831}.Release|x64.ActiveCfg = Release|Any CPU
+		{D7A8452F-123F-4965-8716-9E39F677A831}.Release|x64.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

README.md

@@ -72,10 +72,14 @@ Plays a sample Ogg Theora video file. Tests YUV textures and video rendering.
 
 Displays 2D slices of a 3D texture. Tests creating and drawing 3D textures.
 
+**VertexSampler**
+
+Displays a triangle whose colors are driven by sampling a texture in the vertex shader.
+
 **RenderTexture3D**
 
 Fades through 2D slices of a 3D render texture. Tests binding and sampling 3D render textures.
 
-**VertexSampler**
+**RenderTextureCube**
 
-Displays a triangle whose colors are driven by sampling a texture in the vertex shader.
+Displays a cubemap generated by rendering to a cube render target. Tests binding and sampling cube render textures.

RenderTexture3D/RenderTexture3DGame.cs

@@ -68,9 +68,9 @@ namespace MoonWorks.Test
                 new PositionTextureVertex[]
                 {
                     new PositionTextureVertex(new Vector3(-1, -1, 0), new Vector2(0, 0)),
-                    new PositionTextureVertex(new Vector3(1, -1, 0), new Vector2(4, 0)),
+                    new PositionTextureVertex(new Vector3(1, -1, 0), new Vector2(1, 0)),
-                    new PositionTextureVertex(new Vector3(1, 1, 0), new Vector2(4, 4)),
+                    new PositionTextureVertex(new Vector3(1, 1, 0), new Vector2(1, 1)),
-                    new PositionTextureVertex(new Vector3(-1, 1, 0), new Vector2(0, 4)),
+                    new PositionTextureVertex(new Vector3(-1, 1, 0), new Vector2(0, 1)),
                 }
             );
             cmdbuf.SetBufferData(

RenderTextureCube/RenderTextureCube.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>

RenderTextureCube/RenderTextureCubeGame.cs

@@ -0,0 +1,187 @@
+using MoonWorks;
+using MoonWorks.Graphics;
+using MoonWorks.Math.Float;
+using MoonWorks.Math;
+using System.Runtime.InteropServices;
+
+namespace MoonWorks.Test
+{
+    class RenderTextureCubeGame : Game
+    {
+        private GraphicsPipeline pipeline;
+        private Buffer vertexBuffer;
+        private Buffer indexBuffer;
+        private Texture cubemap;
+        private Sampler sampler;
+
+        private Vector3 camPos = new Vector3(0, 0, 4f);
+
+        private Color[] colors = new Color[]
+        {
+            Color.Red,
+            Color.Green,
+            Color.Blue,
+            Color.Orange,
+            Color.Yellow,
+            Color.Purple,
+        };
+
+        struct ViewProjectionUniforms
+        {
+            public Matrix4x4 ViewProjection;
+
+            public ViewProjectionUniforms(Matrix4x4 viewProjection)
+            {
+                ViewProjection = viewProjection;
+            }
+        }
+
+        public RenderTextureCubeGame() : base(TestUtils.GetStandardWindowCreateInfo(), TestUtils.GetStandardFrameLimiterSettings(), 60, true)
+        {
+            Logger.LogInfo("Press Down to view the other side of the cubemap");
+
+            // Load the shaders
+            ShaderModule vertShaderModule = new ShaderModule(GraphicsDevice, TestUtils.GetShaderPath("SkyboxVert"));
+            ShaderModule fragShaderModule = new ShaderModule(GraphicsDevice, TestUtils.GetShaderPath("SkyboxFrag"));
+
+            // Create the graphics pipeline
+            GraphicsPipelineCreateInfo pipelineCreateInfo = TestUtils.GetStandardGraphicsPipelineCreateInfo(
+                MainWindow.SwapchainFormat,
+                vertShaderModule,
+                fragShaderModule
+            );
+            pipelineCreateInfo.VertexInputState = VertexInputState.CreateSingleBinding<PositionVertex>();
+            pipelineCreateInfo.VertexShaderInfo.UniformBufferSize = (uint) Marshal.SizeOf<ViewProjectionUniforms>();
+            pipelineCreateInfo.FragmentShaderInfo.SamplerBindingCount = 1;
+            pipeline = new GraphicsPipeline(GraphicsDevice, pipelineCreateInfo);
+
+            // Create samplers
+            sampler = new Sampler(GraphicsDevice, SamplerCreateInfo.PointClamp);
+
+            // Create and populate the GPU resources
+            vertexBuffer = Buffer.Create<PositionVertex>(GraphicsDevice, BufferUsageFlags.Vertex, 24);
+            indexBuffer = Buffer.Create<ushort>(GraphicsDevice, BufferUsageFlags.Index, 36);
+            cubemap = Texture.CreateTextureCube(
+                GraphicsDevice,
+                16,
+                TextureFormat.R8G8B8A8,
+                TextureUsageFlags.ColorTarget | TextureUsageFlags.Sampler
+            );
+
+            CommandBuffer cmdbuf = GraphicsDevice.AcquireCommandBuffer();
+            cmdbuf.SetBufferData(
+                vertexBuffer,
+                new PositionVertex[]
+                {
+                    new PositionVertex(new Vector3(-10, -10, -10)),
+                    new PositionVertex(new Vector3(10, -10, -10)),
+                    new PositionVertex(new Vector3(10, 10, -10)),
+                    new PositionVertex(new Vector3(-10, 10, -10)),
+
+                    new PositionVertex(new Vector3(-10, -10, 10)),
+                    new PositionVertex(new Vector3(10, -10, 10)),
+                    new PositionVertex(new Vector3(10, 10, 10)),
+                    new PositionVertex(new Vector3(-10, 10, 10)),
+
+                    new PositionVertex(new Vector3(-10, -10, -10)),
+                    new PositionVertex(new Vector3(-10, 10, -10)),
+                    new PositionVertex(new Vector3(-10, 10, 10)),
+                    new PositionVertex(new Vector3(-10, -10, 10)),
+
+                    new PositionVertex(new Vector3(10, -10, -10)),
+                    new PositionVertex(new Vector3(10, 10, -10)),
+                    new PositionVertex(new Vector3(10, 10, 10)),
+                    new PositionVertex(new Vector3(10, -10, 10)),
+
+                    new PositionVertex(new Vector3(-10, -10, -10)),
+                    new PositionVertex(new Vector3(-10, -10, 10)),
+                    new PositionVertex(new Vector3(10, -10, 10)),
+                    new PositionVertex(new Vector3(10, -10, -10)),
+
+                    new PositionVertex(new Vector3(-10, 10, -10)),
+                    new PositionVertex(new Vector3(-10, 10, 10)),
+                    new PositionVertex(new Vector3(10, 10, 10)),
+                    new PositionVertex(new Vector3(10, 10, -10))
+                }
+            );
+
+            cmdbuf.SetBufferData(
+                indexBuffer,
+                new ushort[]
+                {
+                    0, 1, 2,    0, 2, 3,
+                    6, 5, 4,    7, 6, 4,
+                    8, 9, 10,   8, 10, 11,
+                    14, 13, 12, 15, 14, 12,
+                    16, 17, 18, 16, 18, 19,
+                    22, 21, 20, 23, 22, 20
+                }
+            );
+
+            // Clear each slice of the cubemap to a different color
+            for (uint i = 0; i < 6; i += 1)
+            {
+                ColorAttachmentInfo attachmentInfo = new ColorAttachmentInfo
+                {
+                    Texture = cubemap,
+                    ClearColor = colors[i],
+                    Depth = 0,
+                    Layer = i,
+                    Level = 0,
+                    LoadOp = LoadOp.Clear,
+                    StoreOp = StoreOp.Store,
+                    SampleCount = SampleCount.One,
+                };
+                cmdbuf.BeginRenderPass(attachmentInfo);
+                cmdbuf.EndRenderPass();
+            }
+
+            GraphicsDevice.Submit(cmdbuf);
+        }
+
+        protected override void Update(System.TimeSpan delta)
+        {
+            if (TestUtils.CheckButtonPressed(Inputs, TestUtils.ButtonType.Bottom))
+            {
+                camPos.Z *= -1;
+            }
+        }
+
+        protected override void Draw(double alpha)
+        {
+            Matrix4x4 proj = Matrix4x4.CreatePerspectiveFieldOfView(
+                MathHelper.ToRadians(75f),
+                (float) MainWindow.Width / MainWindow.Height,
+                0.01f,
+                100f
+            );
+            Matrix4x4 view = Matrix4x4.CreateLookAt(
+                camPos,
+                Vector3.Zero,
+                Vector3.Up
+            );
+            ViewProjectionUniforms vertUniforms = new ViewProjectionUniforms(view * proj);
+
+            CommandBuffer cmdbuf = GraphicsDevice.AcquireCommandBuffer();
+            Texture? backbuffer = cmdbuf.AcquireSwapchainTexture(MainWindow);
+            if (backbuffer != null)
+            {
+                cmdbuf.BeginRenderPass(new ColorAttachmentInfo(backbuffer, Color.Black));
+                cmdbuf.BindGraphicsPipeline(pipeline);
+                cmdbuf.BindVertexBuffers(vertexBuffer);
+                cmdbuf.BindIndexBuffer(indexBuffer, IndexElementSize.Sixteen);
+                cmdbuf.BindFragmentSamplers(new TextureSamplerBinding(cubemap, sampler));
+                uint vertexUniformOffset = cmdbuf.PushVertexShaderUniforms(vertUniforms);
+                cmdbuf.DrawIndexedPrimitives(0, 0, 12, vertexUniformOffset, 0);
+                cmdbuf.EndRenderPass();
+            }
+            GraphicsDevice.Submit(cmdbuf);
+        }
+
+        public static void Main(string[] args)
+        {
+            RenderTextureCubeGame game = new RenderTextureCubeGame();
+            game.Run();
+        }
+    }
+}

Texture3D/Texture3DGame.cs

@@ -57,9 +57,9 @@ namespace MoonWorks.Test
                 new PositionTextureVertex[]
                 {
                     new PositionTextureVertex(new Vector3(-1, -1, 0), new Vector2(0, 0)),
-                    new PositionTextureVertex(new Vector3(1, -1, 0), new Vector2(4, 0)),
+                    new PositionTextureVertex(new Vector3(1, -1, 0), new Vector2(1, 0)),
-                    new PositionTextureVertex(new Vector3(1, 1, 0), new Vector2(4, 4)),
+                    new PositionTextureVertex(new Vector3(1, 1, 0), new Vector2(1, 1)),
-                    new PositionTextureVertex(new Vector3(-1, 1, 0), new Vector2(0, 4)),
+                    new PositionTextureVertex(new Vector3(-1, 1, 0), new Vector2(0, 1)),
                 }
             );
             cmdbuf.SetBufferData(