MoonWorksGraphicsTests/VertexSampler/VertexSamplerGame.cs

74 lines
3.2 KiB
C#

using MoonWorks;
using MoonWorks.Graphics;
using MoonWorks.Math.Float;
namespace MoonWorks.Test
{
class VertexSamplerGame : Game
{
private GraphicsPipeline pipeline;
private Buffer vertexBuffer;
private Texture texture;
private Sampler sampler;
public VertexSamplerGame() : base(TestUtils.GetStandardWindowCreateInfo(), TestUtils.GetStandardFrameLimiterSettings(), 60, true)
{
// Load the shaders
ShaderModule vertShaderModule = new ShaderModule(GraphicsDevice, TestUtils.GetShaderPath("PositionSampler.vert"));
ShaderModule fragShaderModule = new ShaderModule(GraphicsDevice, TestUtils.GetShaderPath("SolidColor.frag"));
// Create the graphics pipeline
GraphicsPipelineCreateInfo pipelineCreateInfo = TestUtils.GetStandardGraphicsPipelineCreateInfo(
MainWindow.SwapchainFormat,
vertShaderModule,
fragShaderModule
);
pipelineCreateInfo.VertexInputState = VertexInputState.CreateSingleBinding<PositionTextureVertex>();
pipelineCreateInfo.VertexShaderInfo.SamplerBindingCount = 1;
pipeline = new GraphicsPipeline(GraphicsDevice, pipelineCreateInfo);
// Create and populate the GPU resources
vertexBuffer = Buffer.Create<PositionTextureVertex>(GraphicsDevice, BufferUsageFlags.Vertex, 3);
texture = Texture.CreateTexture2D(GraphicsDevice, 3, 1, TextureFormat.R8G8B8A8, TextureUsageFlags.Sampler);
sampler = new Sampler(GraphicsDevice, SamplerCreateInfo.PointClamp);
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(0.334f, 0)),
new PositionTextureVertex(new Vector3(0, -1, 0), new Vector2(0.667f, 0)),
}
);
cmdbuf.SetTextureData(texture, new Color[] { Color.Yellow, Color.Indigo, Color.HotPink });
GraphicsDevice.Submit(cmdbuf);
}
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 ColorAttachmentInfo(backbuffer, Color.Black));
cmdbuf.BindGraphicsPipeline(pipeline);
cmdbuf.BindVertexBuffers(vertexBuffer);
cmdbuf.BindVertexSamplers(new TextureSamplerBinding(texture, sampler));
cmdbuf.DrawPrimitives(0, 1, 0, 0);
cmdbuf.EndRenderPass();
}
GraphicsDevice.Submit(cmdbuf);
}
public static void Main(string[] args)
{
VertexSamplerGame p = new VertexSamplerGame();
p.Run();
}
}
}