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MoonWorksGraphicsTests
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TextureMipmapsExample

refresh2
cosmonaut 2024-06-06 15:56:42 -07:00
parent 002bcc7913
commit 6dbcd65fbe
4 changed files with 176 additions and 138 deletions
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173
Examples/TextureMipmapsExample.cs Normal file
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@ -0,0 +1,173 @@
using MoonWorks;
using MoonWorks.Graphics;
using MoonWorks.Input;
using MoonWorks.Math.Float;
namespace MoonWorksGraphicsTests;
class TextureMipmapsExample : Example
{
private GraphicsPipeline Pipeline;
private GpuBuffer VertexBuffer;
private GpuBuffer IndexBuffer;
private Texture Texture;
private Sampler Sampler;
private float scale = 0.5f;
public override void Init(Window window, GraphicsDevice graphicsDevice, Inputs inputs)
{
Window = window;
GraphicsDevice = graphicsDevice;
Inputs = inputs;
Window.SetTitle("TextureMipmaps");
Logger.LogInfo("Press Left and Right to shrink/expand the scale of the quad");
// Load the shaders
Shader vertShaderModule = new Shader(
GraphicsDevice,
TestUtils.GetShaderPath("TexturedQuadWithMatrix.vert"),
"main",
ShaderStage.Vertex,
ShaderFormat.SPIRV
);
Shader fragShaderModule = new Shader(
GraphicsDevice,
TestUtils.GetShaderPath("TexturedQuad.frag"),
"main",
ShaderStage.Fragment,
ShaderFormat.SPIRV
);
// Create the graphics pipeline
GraphicsPipelineCreateInfo pipelineCreateInfo = TestUtils.GetStandardGraphicsPipelineCreateInfo(
Window.SwapchainFormat,
vertShaderModule,
fragShaderModule
);
pipelineCreateInfo.VertexInputState = VertexInputState.CreateSingleBinding<PositionTextureVertex>();
pipelineCreateInfo.VertexShaderResourceInfo = new GraphicsPipelineResourceInfo
{
UniformBufferCount = 1
};
pipelineCreateInfo.FragmentShaderResourceInfo = new GraphicsPipelineResourceInfo
{
SamplerCount = 1
};
Pipeline = new GraphicsPipeline(GraphicsDevice, pipelineCreateInfo);
Sampler = new Sampler(GraphicsDevice, SamplerCreateInfo.PointClamp);
// Create and populate the GPU resources
Texture = Texture.CreateTexture2D(
GraphicsDevice,
256,
256,
TextureFormat.R8G8B8A8,
TextureUsageFlags.Sampler,
4
);
var resourceUploader = new ResourceUploader(GraphicsDevice);
VertexBuffer = resourceUploader.CreateBuffer(
[
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)),
],
BufferUsageFlags.Vertex
);
IndexBuffer = resourceUploader.CreateBuffer<ushort>(
[
0, 1, 2,
0, 2, 3
],
BufferUsageFlags.Index
);
// Set the various mip levels
for (uint i = 0; i < Texture.LevelCount; i += 1)
{
var w = Texture.Width >> (int) i;
var h = Texture.Height >> (int) i;
var region = new TextureRegion
{
TextureSlice = new TextureSlice
{
Texture = Texture,
Layer = 0,
MipLevel = i
},
X = 0,
Y = 0,
Z = 0,
Width = w,
Height = h,
Depth = 1
};
resourceUploader.SetTextureDataFromCompressed(
region,
TestUtils.GetTexturePath($"mip{i}.png")
);
}
resourceUploader.Upload();
resourceUploader.Dispose();
}
public 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);
}
}
public override void Draw(double alpha)
{
TransformVertexUniform vertUniforms = new TransformVertexUniform(Matrix4x4.CreateScale(scale, scale, 1));
CommandBuffer cmdbuf = GraphicsDevice.AcquireCommandBuffer();
Texture swapchainTexture = cmdbuf.AcquireSwapchainTexture(Window);
if (swapchainTexture != null)
{
var renderPass = cmdbuf.BeginRenderPass(
new ColorAttachmentInfo(
swapchainTexture,
false,
Color.Black
)
);
renderPass.BindGraphicsPipeline(Pipeline);
renderPass.BindVertexBuffer(VertexBuffer);
renderPass.BindIndexBuffer(IndexBuffer, IndexElementSize.Sixteen);
renderPass.BindFragmentSampler(new TextureSamplerBinding(Texture, Sampler));
renderPass.PushVertexUniformData(vertUniforms);
renderPass.DrawIndexedPrimitives(0, 0, 2);
cmdbuf.EndRenderPass(renderPass);
}
GraphicsDevice.Submit(cmdbuf);
}
public override void Destroy()
{
Pipeline.Dispose();
VertexBuffer.Dispose();
IndexBuffer.Dispose();
Texture.Dispose();
Sampler.Dispose();
}
}

137
Examples/TextureMipmapsGame.cs
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@ -1,137 +0,0 @@
using MoonWorks.Graphics;
using MoonWorks.Math.Float;
namespace MoonWorks.Test
{
class TextureMipmapsGame : Game
{
private GraphicsPipeline pipeline;
private GpuBuffer vertexBuffer;
private GpuBuffer indexBuffer;
private Texture texture;
private Sampler sampler;
private float scale = 0.5f;
public TextureMipmapsGame() : base(TestUtils.GetStandardWindowCreateInfo(), TestUtils.GetStandardFrameLimiterSettings(), TestUtils.PreferredBackends, 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("TexturedQuadWithMatrix.vert"));
ShaderModule fragShaderModule = new ShaderModule(GraphicsDevice, TestUtils.GetShaderPath("TexturedQuad.frag"));
// Create the graphics pipeline
GraphicsPipelineCreateInfo pipelineCreateInfo = TestUtils.GetStandardGraphicsPipelineCreateInfo(
MainWindow.SwapchainFormat,
vertShaderModule,
fragShaderModule
);
pipelineCreateInfo.VertexInputState = VertexInputState.CreateSingleBinding<PositionTextureVertex>();
pipelineCreateInfo.VertexShaderInfo = GraphicsShaderInfo.Create<TransformVertexUniform>(vertShaderModule, "main", 0);
pipelineCreateInfo.FragmentShaderInfo.SamplerBindingCount = 1;
pipeline = new GraphicsPipeline(GraphicsDevice, pipelineCreateInfo);
sampler = new Sampler(GraphicsDevice, SamplerCreateInfo.PointClamp);
// Create and populate the GPU resources
texture = Texture.CreateTexture2D(
GraphicsDevice,
256,
256,
TextureFormat.R8G8B8A8,
TextureUsageFlags.Sampler,
4
);
var resourceUploader = new ResourceUploader(GraphicsDevice);
vertexBuffer = resourceUploader.CreateBuffer(
[
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)),
],
BufferUsageFlags.Vertex
);
indexBuffer = resourceUploader.CreateBuffer<ushort>(
[
0, 1, 2,
0, 2, 3
],
BufferUsageFlags.Index
);
// Set the various mip levels
for (uint i = 0; i < texture.LevelCount; i += 1)
{
var w = texture.Width >> (int) i;
var h = texture.Height >> (int) i;
var region = new TextureRegion
{
TextureSlice = new TextureSlice
{
Texture = texture,
Layer = 0,
MipLevel = i
},
X = 0,
Y = 0,
Z = 0,
Width = w,
Height = h,
Depth = 1
};
resourceUploader.SetTextureDataFromCompressed(
region,
TestUtils.GetTexturePath($"mip{i}.png")
);
}
resourceUploader.Upload();
resourceUploader.Dispose();
}
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)
{
TransformVertexUniform vertUniforms = new TransformVertexUniform(Matrix4x4.CreateScale(scale, scale, 1));
CommandBuffer cmdbuf = GraphicsDevice.AcquireCommandBuffer();
Texture? backbuffer = cmdbuf.AcquireSwapchainTexture(MainWindow);
if (backbuffer != null)
{
cmdbuf.BeginRenderPass(new ColorAttachmentInfo(backbuffer, WriteOptions.Cycle, Color.Black));
cmdbuf.BindGraphicsPipeline(pipeline);
cmdbuf.BindVertexBuffers(vertexBuffer);
cmdbuf.BindIndexBuffer(indexBuffer, IndexElementSize.Sixteen);
cmdbuf.BindFragmentSamplers(new TextureSamplerBinding(texture, sampler));
cmdbuf.PushVertexShaderUniforms(vertUniforms);
cmdbuf.DrawIndexedPrimitives(0, 0, 2);
cmdbuf.EndRenderPass();
}
GraphicsDevice.Submit(cmdbuf);
}
public static void Main(string[] args)
{
TextureMipmapsGame game = new TextureMipmapsGame();
game.Run();
}
}
}

1
MoonWorksGraphicsTests.csproj
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@ -49,6 +49,7 @@
<Compile Include="Examples\Texture3DExample.cs" />
<Compile Include="Examples\TexturedAnimatedQuadExample.cs" />
<Compile Include="Examples\TexturedQuadExample.cs" />
<Compile Include="Examples\TextureMipmapsExample.cs" />
</ItemGroup>
<Import Project=".\CopyMoonlibs.targets" />

3
Program.cs
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@ -32,7 +32,8 @@ class Program : Game
new Texture3DCopyExample(),
new Texture3DExample(),
new TexturedAnimatedQuadExample(),
new TexturedQuadExample()
new TexturedQuadExample(),
new TextureMipmapsExample()
];
int ExampleIndex = 0;