MoonWorksGraphicsTests/Examples/TriangleVertexBufferGame.cs

67 lines
2.1 KiB
C#

using MoonWorks;
using MoonWorks.Graphics;
using MoonWorks.Math.Float;
namespace MoonWorks.Test
{
class TriangleVertexBufferGame : Game
{
private GraphicsPipeline pipeline;
private GpuBuffer vertexBuffer;
public TriangleVertexBufferGame() : base(TestUtils.GetStandardWindowCreateInfo(), TestUtils.GetStandardFrameLimiterSettings(), TestUtils.PreferredBackends, 60, true)
{
// Load the shaders
ShaderModule vertShaderModule = new ShaderModule(GraphicsDevice, TestUtils.GetShaderPath("PositionColor.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<PositionColorVertex>();
pipeline = new GraphicsPipeline(GraphicsDevice, pipelineCreateInfo);
// Create and populate the vertex buffer
var resourceUploader = new ResourceUploader(GraphicsDevice);
vertexBuffer = resourceUploader.CreateBuffer(
[
new PositionColorVertex(new Vector3(-1, 1, 0), Color.Red),
new PositionColorVertex(new Vector3(1, 1, 0), Color.Lime),
new PositionColorVertex(new Vector3(0, -1, 0), Color.Blue),
],
BufferUsageFlags.Vertex
);
resourceUploader.Upload();
resourceUploader.Dispose();
}
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, WriteOptions.Cycle, Color.Black));
cmdbuf.BindGraphicsPipeline(pipeline);
cmdbuf.BindVertexBuffers(vertexBuffer);
cmdbuf.DrawPrimitives(0, 1);
cmdbuf.EndRenderPass();
}
GraphicsDevice.Submit(cmdbuf);
}
public static void Main(string[] args)
{
TriangleVertexBufferGame p = new TriangleVertexBufferGame();
p.Run();
}
}
}