TextureMipmapsExample
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using MoonWorks;
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using MoonWorks.Graphics;
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using MoonWorks.Input;
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using MoonWorks.Math.Float;
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namespace MoonWorksGraphicsTests;
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class TextureMipmapsExample : Example
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{
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private GraphicsPipeline Pipeline;
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private GpuBuffer VertexBuffer;
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private GpuBuffer IndexBuffer;
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private Texture Texture;
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private Sampler Sampler;
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private float scale = 0.5f;
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public override void Init(Window window, GraphicsDevice graphicsDevice, Inputs inputs)
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{
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Window = window;
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GraphicsDevice = graphicsDevice;
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Inputs = inputs;
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Window.SetTitle("TextureMipmaps");
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Logger.LogInfo("Press Left and Right to shrink/expand the scale of the quad");
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// Load the shaders
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Shader vertShaderModule = new Shader(
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GraphicsDevice,
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TestUtils.GetShaderPath("TexturedQuadWithMatrix.vert"),
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"main",
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ShaderStage.Vertex,
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ShaderFormat.SPIRV
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);
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Shader fragShaderModule = new Shader(
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GraphicsDevice,
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TestUtils.GetShaderPath("TexturedQuad.frag"),
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"main",
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ShaderStage.Fragment,
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ShaderFormat.SPIRV
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);
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// Create the graphics pipeline
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GraphicsPipelineCreateInfo pipelineCreateInfo = TestUtils.GetStandardGraphicsPipelineCreateInfo(
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Window.SwapchainFormat,
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vertShaderModule,
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fragShaderModule
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);
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pipelineCreateInfo.VertexInputState = VertexInputState.CreateSingleBinding<PositionTextureVertex>();
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pipelineCreateInfo.VertexShaderResourceInfo = new GraphicsPipelineResourceInfo
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{
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UniformBufferCount = 1
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};
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pipelineCreateInfo.FragmentShaderResourceInfo = new GraphicsPipelineResourceInfo
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{
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SamplerCount = 1
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};
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Pipeline = new GraphicsPipeline(GraphicsDevice, pipelineCreateInfo);
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Sampler = new Sampler(GraphicsDevice, SamplerCreateInfo.PointClamp);
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// Create and populate the GPU resources
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Texture = Texture.CreateTexture2D(
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GraphicsDevice,
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256,
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256,
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TextureFormat.R8G8B8A8,
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TextureUsageFlags.Sampler,
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4
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);
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var resourceUploader = new ResourceUploader(GraphicsDevice);
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VertexBuffer = resourceUploader.CreateBuffer(
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[
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new PositionTextureVertex(new Vector3(-1, 1, 0), new Vector2(0, 0)),
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new PositionTextureVertex(new Vector3( 1, 1, 0), new Vector2(1, 0)),
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new PositionTextureVertex(new Vector3( 1, -1, 0), new Vector2(1, 1)),
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new PositionTextureVertex(new Vector3(-1, -1, 0), new Vector2(0, 1)),
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],
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BufferUsageFlags.Vertex
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);
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IndexBuffer = resourceUploader.CreateBuffer<ushort>(
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[
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0, 1, 2,
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0, 2, 3
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],
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BufferUsageFlags.Index
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);
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// Set the various mip levels
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for (uint i = 0; i < Texture.LevelCount; i += 1)
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{
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var w = Texture.Width >> (int) i;
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var h = Texture.Height >> (int) i;
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var region = new TextureRegion
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{
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TextureSlice = new TextureSlice
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{
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Texture = Texture,
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Layer = 0,
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MipLevel = i
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},
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X = 0,
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Y = 0,
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Z = 0,
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Width = w,
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Height = h,
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Depth = 1
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};
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resourceUploader.SetTextureDataFromCompressed(
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region,
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TestUtils.GetTexturePath($"mip{i}.png")
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);
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}
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resourceUploader.Upload();
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resourceUploader.Dispose();
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}
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public override void Update(System.TimeSpan delta)
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{
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if (TestUtils.CheckButtonDown(Inputs, TestUtils.ButtonType.Left))
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{
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scale = System.MathF.Max(0.01f, scale - 0.01f);
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}
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if (TestUtils.CheckButtonDown(Inputs, TestUtils.ButtonType.Right))
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{
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scale = System.MathF.Min(1f, scale + 0.01f);
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}
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}
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public override void Draw(double alpha)
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{
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TransformVertexUniform vertUniforms = new TransformVertexUniform(Matrix4x4.CreateScale(scale, scale, 1));
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CommandBuffer cmdbuf = GraphicsDevice.AcquireCommandBuffer();
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Texture swapchainTexture = cmdbuf.AcquireSwapchainTexture(Window);
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if (swapchainTexture != null)
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{
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var renderPass = cmdbuf.BeginRenderPass(
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new ColorAttachmentInfo(
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swapchainTexture,
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false,
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Color.Black
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)
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);
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renderPass.BindGraphicsPipeline(Pipeline);
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renderPass.BindVertexBuffer(VertexBuffer);
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renderPass.BindIndexBuffer(IndexBuffer, IndexElementSize.Sixteen);
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renderPass.BindFragmentSampler(new TextureSamplerBinding(Texture, Sampler));
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renderPass.PushVertexUniformData(vertUniforms);
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renderPass.DrawIndexedPrimitives(0, 0, 2);
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cmdbuf.EndRenderPass(renderPass);
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}
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GraphicsDevice.Submit(cmdbuf);
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}
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public override void Destroy()
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{
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Pipeline.Dispose();
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VertexBuffer.Dispose();
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IndexBuffer.Dispose();
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Texture.Dispose();
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Sampler.Dispose();
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}
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}
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@ -1,137 +0,0 @@
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using MoonWorks.Graphics;
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using MoonWorks.Math.Float;
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namespace MoonWorks.Test
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{
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class TextureMipmapsGame : Game
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{
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private GraphicsPipeline pipeline;
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private GpuBuffer vertexBuffer;
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private GpuBuffer indexBuffer;
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private Texture texture;
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private Sampler sampler;
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private float scale = 0.5f;
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public TextureMipmapsGame() : base(TestUtils.GetStandardWindowCreateInfo(), TestUtils.GetStandardFrameLimiterSettings(), TestUtils.PreferredBackends, 60, true)
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{
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Logger.LogInfo("Press Left and Right to shrink/expand the scale of the quad");
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// Load the shaders
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ShaderModule vertShaderModule = new ShaderModule(GraphicsDevice, TestUtils.GetShaderPath("TexturedQuadWithMatrix.vert"));
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ShaderModule fragShaderModule = new ShaderModule(GraphicsDevice, TestUtils.GetShaderPath("TexturedQuad.frag"));
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// Create the graphics pipeline
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GraphicsPipelineCreateInfo pipelineCreateInfo = TestUtils.GetStandardGraphicsPipelineCreateInfo(
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MainWindow.SwapchainFormat,
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vertShaderModule,
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fragShaderModule
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);
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pipelineCreateInfo.VertexInputState = VertexInputState.CreateSingleBinding<PositionTextureVertex>();
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pipelineCreateInfo.VertexShaderInfo = GraphicsShaderInfo.Create<TransformVertexUniform>(vertShaderModule, "main", 0);
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pipelineCreateInfo.FragmentShaderInfo.SamplerBindingCount = 1;
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pipeline = new GraphicsPipeline(GraphicsDevice, pipelineCreateInfo);
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sampler = new Sampler(GraphicsDevice, SamplerCreateInfo.PointClamp);
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// Create and populate the GPU resources
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texture = Texture.CreateTexture2D(
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GraphicsDevice,
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256,
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256,
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TextureFormat.R8G8B8A8,
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TextureUsageFlags.Sampler,
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4
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);
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var resourceUploader = new ResourceUploader(GraphicsDevice);
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vertexBuffer = resourceUploader.CreateBuffer(
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[
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new PositionTextureVertex(new Vector3(-1, -1, 0), new Vector2(0, 0)),
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new PositionTextureVertex(new Vector3(1, -1, 0), new Vector2(1, 0)),
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new PositionTextureVertex(new Vector3(1, 1, 0), new Vector2(1, 1)),
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new PositionTextureVertex(new Vector3(-1, 1, 0), new Vector2(0, 1)),
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],
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BufferUsageFlags.Vertex
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);
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indexBuffer = resourceUploader.CreateBuffer<ushort>(
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[
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0, 1, 2,
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0, 2, 3
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],
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BufferUsageFlags.Index
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);
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// Set the various mip levels
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for (uint i = 0; i < texture.LevelCount; i += 1)
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{
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var w = texture.Width >> (int) i;
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var h = texture.Height >> (int) i;
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var region = new TextureRegion
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{
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TextureSlice = new TextureSlice
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{
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Texture = texture,
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Layer = 0,
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MipLevel = i
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},
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X = 0,
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Y = 0,
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Z = 0,
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Width = w,
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Height = h,
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Depth = 1
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};
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resourceUploader.SetTextureDataFromCompressed(
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region,
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TestUtils.GetTexturePath($"mip{i}.png")
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);
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}
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resourceUploader.Upload();
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resourceUploader.Dispose();
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}
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protected override void Update(System.TimeSpan delta)
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{
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if (TestUtils.CheckButtonDown(Inputs, TestUtils.ButtonType.Left))
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{
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scale = System.MathF.Max(0.01f, scale - 0.01f);
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}
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if (TestUtils.CheckButtonDown(Inputs, TestUtils.ButtonType.Right))
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{
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scale = System.MathF.Min(1f, scale + 0.01f);
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}
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}
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protected override void Draw(double alpha)
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{
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TransformVertexUniform vertUniforms = new TransformVertexUniform(Matrix4x4.CreateScale(scale, scale, 1));
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CommandBuffer cmdbuf = GraphicsDevice.AcquireCommandBuffer();
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Texture? backbuffer = cmdbuf.AcquireSwapchainTexture(MainWindow);
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if (backbuffer != null)
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{
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cmdbuf.BeginRenderPass(new ColorAttachmentInfo(backbuffer, WriteOptions.Cycle, Color.Black));
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cmdbuf.BindGraphicsPipeline(pipeline);
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cmdbuf.BindVertexBuffers(vertexBuffer);
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cmdbuf.BindIndexBuffer(indexBuffer, IndexElementSize.Sixteen);
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cmdbuf.BindFragmentSamplers(new TextureSamplerBinding(texture, sampler));
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cmdbuf.PushVertexShaderUniforms(vertUniforms);
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cmdbuf.DrawIndexedPrimitives(0, 0, 2);
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cmdbuf.EndRenderPass();
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}
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GraphicsDevice.Submit(cmdbuf);
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}
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public static void Main(string[] args)
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{
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TextureMipmapsGame game = new TextureMipmapsGame();
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game.Run();
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}
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}
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}
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@ -49,6 +49,7 @@
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<Compile Include="Examples\Texture3DExample.cs" />
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<Compile Include="Examples\Texture3DExample.cs" />
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<Compile Include="Examples\TexturedAnimatedQuadExample.cs" />
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<Compile Include="Examples\TexturedAnimatedQuadExample.cs" />
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<Compile Include="Examples\TexturedQuadExample.cs" />
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<Compile Include="Examples\TexturedQuadExample.cs" />
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<Compile Include="Examples\TextureMipmapsExample.cs" />
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</ItemGroup>
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</ItemGroup>
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<Import Project=".\CopyMoonlibs.targets" />
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<Import Project=".\CopyMoonlibs.targets" />
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@ -32,7 +32,8 @@ class Program : Game
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new Texture3DCopyExample(),
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new Texture3DCopyExample(),
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new Texture3DExample(),
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new Texture3DExample(),
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new TexturedAnimatedQuadExample(),
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new TexturedAnimatedQuadExample(),
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new TexturedQuadExample()
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new TexturedQuadExample(),
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new TextureMipmapsExample()
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];
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];
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int ExampleIndex = 0;
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int ExampleIndex = 0;
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