Add TextureMipmaps test

MoonWorksGraphicsTests.sln

@@ -51,6 +51,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "RenderTextureCube", "Render
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "RenderTextureMipmaps", "RenderTextureMipmaps\RenderTextureMipmaps.csproj", "{2219C628-5593-4C23-86CB-0E1E96EBD6C5}"
 EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "TextureMipmaps", "TextureMipmaps\TextureMipmaps.csproj", "{5A1AC35B-EF18-426D-A633-D4899E84EAA7}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|x64 = Debug|x64
@@ -131,28 +133,32 @@ Global
 		{FCD63849-9D3C-4D48-A8BD-39671096F03A}.Release|x64.Build.0 = Release|x64
 		{9D0F0573-7FD4-4480-8F9B-CDD52120A170}.Debug|x64.ActiveCfg = Debug|x64
 		{9D0F0573-7FD4-4480-8F9B-CDD52120A170}.Debug|x64.Build.0 = Debug|x64
-		{9D0F0573-7FD4-4480-8F9B-CDD52120A170}.Release|x64.ActiveCfg = Release|Any CPU
+		{9D0F0573-7FD4-4480-8F9B-CDD52120A170}.Release|x64.ActiveCfg = Release|x64
-		{9D0F0573-7FD4-4480-8F9B-CDD52120A170}.Release|x64.Build.0 = Release|Any CPU
+		{9D0F0573-7FD4-4480-8F9B-CDD52120A170}.Release|x64.Build.0 = Release|x64
 		{5CDA8D41-F96C-4DE7-AD53-5A76C4C0CC31}.Debug|x64.ActiveCfg = Debug|x64
 		{5CDA8D41-F96C-4DE7-AD53-5A76C4C0CC31}.Debug|x64.Build.0 = Debug|x64
 		{5CDA8D41-F96C-4DE7-AD53-5A76C4C0CC31}.Release|x64.ActiveCfg = Release|x64
 		{5CDA8D41-F96C-4DE7-AD53-5A76C4C0CC31}.Release|x64.Build.0 = Release|x64
 		{C525B6DE-3003-45D5-BB83-89679B108C08}.Debug|x64.ActiveCfg = Debug|x64
 		{C525B6DE-3003-45D5-BB83-89679B108C08}.Debug|x64.Build.0 = Debug|x64
-		{C525B6DE-3003-45D5-BB83-89679B108C08}.Release|x64.ActiveCfg = Release|Any CPU
+		{C525B6DE-3003-45D5-BB83-89679B108C08}.Release|x64.ActiveCfg = Release|x64
-		{C525B6DE-3003-45D5-BB83-89679B108C08}.Release|x64.Build.0 = Release|Any CPU
+		{C525B6DE-3003-45D5-BB83-89679B108C08}.Release|x64.Build.0 = Release|x64
 		{6D625A4C-8618-4DFC-A6AD-AA3BE3488D70}.Debug|x64.ActiveCfg = Debug|x64
 		{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.ActiveCfg = Release|x64
-		{6D625A4C-8618-4DFC-A6AD-AA3BE3488D70}.Release|x64.Build.0 = Release|Any CPU
+		{6D625A4C-8618-4DFC-A6AD-AA3BE3488D70}.Release|x64.Build.0 = Release|x64
 		{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.ActiveCfg = Release|x64
-		{D7A8452F-123F-4965-8716-9E39F677A831}.Release|x64.Build.0 = Release|Any CPU
+		{D7A8452F-123F-4965-8716-9E39F677A831}.Release|x64.Build.0 = Release|x64
 		{2219C628-5593-4C23-86CB-0E1E96EBD6C5}.Debug|x64.ActiveCfg = Debug|x64
 		{2219C628-5593-4C23-86CB-0E1E96EBD6C5}.Debug|x64.Build.0 = Debug|x64
 		{2219C628-5593-4C23-86CB-0E1E96EBD6C5}.Release|x64.ActiveCfg = Release|x64
 		{2219C628-5593-4C23-86CB-0E1E96EBD6C5}.Release|x64.Build.0 = Release|x64
+		{5A1AC35B-EF18-426D-A633-D4899E84EAA7}.Debug|x64.ActiveCfg = Debug|x64
+		{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
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

README.md

@@ -72,6 +72,10 @@ 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.
 
+**TextureMipmaps**
+
+Displays a quad that can be scaled to reveal various mip levels. The mips are generated from PNGs. Tests SetTextureData for mip levels and rendering mipmaps.
+
 **VertexSampler**
 
 Displays a triangle whose colors are driven by sampling a texture in the vertex shader.
@@ -86,4 +90,4 @@ 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 and rendering mipmaps.
+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.

TextureMipmaps/TextureMipmaps.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>

TextureMipmaps/TextureMipmapsGame.cs

@@ -0,0 +1,148 @@
+using MoonWorks;
+using MoonWorks.Graphics;
+using MoonWorks.Math.Float;
+using RefreshCS;
+
+namespace MoonWorks.Test
+{
+    class TextureMipmapsGame : Game
+    {
+        private GraphicsPipeline pipeline;
+        private Buffer vertexBuffer;
+        private Buffer indexBuffer;
+        private Texture texture;
+        private Sampler sampler;
+
+        private float scale = 0.5f;
+
+        private struct VertexUniforms
+        {
+            public Matrix4x4 TransformMatrix;
+
+            public VertexUniforms(Matrix4x4 transformMatrix)
+            {
+                TransformMatrix = transformMatrix;
+            }
+        }
+
+        public TextureMipmapsGame() : base(TestUtils.GetStandardWindowCreateInfo(), TestUtils.GetStandardFrameLimiterSettings(), 60, true)
+        {
+            Logger.LogInfo("Press Left and Right to shrink/expand the scale of the quad");
+
+            // Load the shaders
+            ShaderModule vertShaderModule = new ShaderModule(GraphicsDevice, TestUtils.GetShaderPath("TexturedQuadVertWithMatrix"));
+            ShaderModule fragShaderModule = new ShaderModule(GraphicsDevice, TestUtils.GetShaderPath("TexturedQuadFrag"));
+
+            // Create the graphics pipeline
+            GraphicsPipelineCreateInfo pipelineCreateInfo = TestUtils.GetStandardGraphicsPipelineCreateInfo(
+                MainWindow.SwapchainFormat,
+                vertShaderModule,
+                fragShaderModule
+            );
+            pipelineCreateInfo.VertexInputState = VertexInputState.CreateSingleBinding<PositionTextureVertex>();
+            pipelineCreateInfo.VertexShaderInfo = GraphicsShaderInfo.Create<VertexUniforms>(vertShaderModule, "main", 0);
+            pipelineCreateInfo.FragmentShaderInfo.SamplerBindingCount = 1;
+            pipeline = new GraphicsPipeline(GraphicsDevice, pipelineCreateInfo);
+
+            // Create and populate the GPU resources
+            sampler = new Sampler(GraphicsDevice, SamplerCreateInfo.PointClamp);
+            vertexBuffer = Buffer.Create<PositionTextureVertex>(GraphicsDevice, BufferUsageFlags.Vertex, 4);
+            indexBuffer = Buffer.Create<ushort>(GraphicsDevice, BufferUsageFlags.Index, 6);
+            texture = Texture.CreateTexture2D(
+                GraphicsDevice,
+                256,
+                256,
+                TextureFormat.R8G8B8A8,
+                TextureUsageFlags.Sampler,
+                4
+            );
+
+            CommandBuffer cmdbuf = GraphicsDevice.AcquireCommandBuffer();
+            cmdbuf.SetBufferData(
+                vertexBuffer,
+                new PositionTextureVertex[]
+                {
+                    new PositionTextureVertex(new Vector3(-1, -1, 0), new Vector2(0, 0)),
+                    new PositionTextureVertex(new Vector3(1, -1, 0), new Vector2(1, 0)),
+                    new PositionTextureVertex(new Vector3(1, 1, 0), new Vector2(1, 1)),
+                    new PositionTextureVertex(new Vector3(-1, 1, 0), new Vector2(0, 1)),
+                }
+            );
+            cmdbuf.SetBufferData(
+                indexBuffer,
+                new ushort[]
+                {
+                    0, 1, 2,
+                    0, 2, 3,
+                }
+            );
+
+            // Set the various mip levels
+            for (int i = 0; i < texture.LevelCount; i += 1)
+            {
+                int w = (int) texture.Width >> i;
+                int h = (int) texture.Height >> i;
+                TextureSlice slice = new TextureSlice(
+                    texture,
+                    new Rect(0, 0, w, h),
+                    0,
+                    0,
+                    (uint) i
+                );
+
+                var pixels = Refresh.Refresh_Image_Load(
+                    TestUtils.GetTexturePath($"mip{i}.png"),
+                    out var width,
+                    out var height,
+                    out var channels
+                );
+
+                var byteCount = (uint)(width * height * channels);
+                cmdbuf.SetTextureData(slice, pixels, byteCount);
+
+                Refresh.Refresh_Image_Free(pixels);
+            }
+
+            GraphicsDevice.Submit(cmdbuf);
+        }
+
+        protected override void Update(System.TimeSpan delta)
+        {
+            if (TestUtils.CheckButtonDown(Inputs, TestUtils.ButtonType.Left))
+            {
+                scale = System.MathF.Max(0.01f, scale - 0.01f);
+            }
+
+            if (TestUtils.CheckButtonDown(Inputs, TestUtils.ButtonType.Right))
+            {
+                scale = System.MathF.Min(1f, scale + 0.01f);
+            }
+        }
+
+        protected override void Draw(double alpha)
+        {
+            VertexUniforms vertUniforms = new VertexUniforms(Matrix4x4.CreateScale(scale, scale, 1));
+
+            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(texture, sampler));
+                uint vertParamOffset = cmdbuf.PushVertexShaderUniforms(vertUniforms);
+                cmdbuf.DrawIndexedPrimitives(0, 0, 2, vertParamOffset, 0);
+                cmdbuf.EndRenderPass();
+            }
+            GraphicsDevice.Submit(cmdbuf);
+        }
+
+        public static void Main(string[] args)
+        {
+            TextureMipmapsGame game = new TextureMipmapsGame();
+            game.Run();
+        }
+    }
+}