MoonWorksGraphicsTests/MSAACube/MSAACubeGame.cs

223 lines
7.2 KiB
C#

using MoonWorks;
using MoonWorks.Graphics;
using MoonWorks.Math.Float;
using MoonWorks.Math;
using System.Runtime.InteropServices;
namespace MoonWorks.Test
{
class MSAACubeGame : Game
{
private GraphicsPipeline[] msaaPipelines = new GraphicsPipeline[4];
private GraphicsPipeline cubemapPipeline;
private Texture[] renderTargets = new Texture[4];
private GpuBuffer vertexBuffer;
private GpuBuffer indexBuffer;
private Sampler sampler;
private Vector3 camPos = new Vector3(0, 0, 4f);
private SampleCount currentSampleCount = SampleCount.Four;
public MSAACubeGame() : base(TestUtils.GetStandardWindowCreateInfo(), TestUtils.GetStandardFrameLimiterSettings(), TestUtils.PreferredBackends, 60, true)
{
Logger.LogInfo("Press Down to view the other side of the cubemap");
Logger.LogInfo("Press Left and Right to cycle between sample counts");
Logger.LogInfo("Setting sample count to: " + currentSampleCount);
// Create the MSAA pipelines
ShaderModule triangleVertShaderModule = new ShaderModule(GraphicsDevice, TestUtils.GetShaderPath("RawTriangle.vert"));
ShaderModule triangleFragShaderModule = new ShaderModule(GraphicsDevice, TestUtils.GetShaderPath("SolidColor.frag"));
GraphicsPipelineCreateInfo pipelineCreateInfo = TestUtils.GetStandardGraphicsPipelineCreateInfo(
TextureFormat.R8G8B8A8,
triangleVertShaderModule,
triangleFragShaderModule
);
for (int i = 0; i < msaaPipelines.Length; i += 1)
{
pipelineCreateInfo.MultisampleState.MultisampleCount = (SampleCount)i;
msaaPipelines[i] = new GraphicsPipeline(GraphicsDevice, pipelineCreateInfo);
}
// Create the cubemap pipeline
ShaderModule cubemapVertShaderModule = new ShaderModule(GraphicsDevice, TestUtils.GetShaderPath("Skybox.vert"));
ShaderModule cubemapFragShaderModule = new ShaderModule(GraphicsDevice, TestUtils.GetShaderPath("Skybox.frag"));
pipelineCreateInfo = TestUtils.GetStandardGraphicsPipelineCreateInfo(
MainWindow.SwapchainFormat,
cubemapVertShaderModule,
cubemapFragShaderModule
);
pipelineCreateInfo.VertexInputState = VertexInputState.CreateSingleBinding<PositionVertex>();
pipelineCreateInfo.VertexShaderInfo.UniformBufferSize = (uint)Marshal.SizeOf<TransformVertexUniform>();
pipelineCreateInfo.FragmentShaderInfo.SamplerBindingCount = 1;
cubemapPipeline = new GraphicsPipeline(GraphicsDevice, pipelineCreateInfo);
// Create the MSAA render targets
for (int i = 0; i < renderTargets.Length; i++)
{
TextureCreateInfo cubeCreateInfo = new TextureCreateInfo
{
Width = 16,
Height = 16,
Format = TextureFormat.R8G8B8A8,
Depth = 1,
LevelCount = 1,
SampleCount = (SampleCount)i,
UsageFlags = TextureUsageFlags.ColorTarget | TextureUsageFlags.Sampler,
IsCube = true,
LayerCount = 6
};
renderTargets[i] = new Texture(GraphicsDevice, cubeCreateInfo);
}
// Create samplers
sampler = new Sampler(GraphicsDevice, SamplerCreateInfo.PointClamp);
// Create and populate the GPU resources
var resourceUploader = new ResourceUploader(GraphicsDevice);
vertexBuffer = resourceUploader.CreateBuffer(
[
new PositionVertex(new Vector3(-10, -10, -10)),
new PositionVertex(new Vector3(10, -10, -10)),
new PositionVertex(new Vector3(10, 10, -10)),
new PositionVertex(new Vector3(-10, 10, -10)),
new PositionVertex(new Vector3(-10, -10, 10)),
new PositionVertex(new Vector3(10, -10, 10)),
new PositionVertex(new Vector3(10, 10, 10)),
new PositionVertex(new Vector3(-10, 10, 10)),
new PositionVertex(new Vector3(-10, -10, -10)),
new PositionVertex(new Vector3(-10, 10, -10)),
new PositionVertex(new Vector3(-10, 10, 10)),
new PositionVertex(new Vector3(-10, -10, 10)),
new PositionVertex(new Vector3(10, -10, -10)),
new PositionVertex(new Vector3(10, 10, -10)),
new PositionVertex(new Vector3(10, 10, 10)),
new PositionVertex(new Vector3(10, -10, 10)),
new PositionVertex(new Vector3(-10, -10, -10)),
new PositionVertex(new Vector3(-10, -10, 10)),
new PositionVertex(new Vector3(10, -10, 10)),
new PositionVertex(new Vector3(10, -10, -10)),
new PositionVertex(new Vector3(-10, 10, -10)),
new PositionVertex(new Vector3(-10, 10, 10)),
new PositionVertex(new Vector3(10, 10, 10)),
new PositionVertex(new Vector3(10, 10, -10))
],
BufferUsageFlags.Vertex
);
indexBuffer = resourceUploader.CreateBuffer<ushort>(
[
0, 1, 2, 0, 2, 3,
6, 5, 4, 7, 6, 4,
8, 9, 10, 8, 10, 11,
14, 13, 12, 15, 14, 12,
16, 17, 18, 16, 18, 19,
22, 21, 20, 23, 22, 20
],
BufferUsageFlags.Index
);
resourceUploader.Upload();
resourceUploader.Dispose();
}
protected override void Update(System.TimeSpan delta)
{
if (TestUtils.CheckButtonPressed(Inputs, TestUtils.ButtonType.Bottom))
{
camPos.Z *= -1;
}
SampleCount prevSampleCount = currentSampleCount;
if (TestUtils.CheckButtonPressed(Inputs, TestUtils.ButtonType.Left))
{
currentSampleCount -= 1;
if (currentSampleCount < 0)
{
currentSampleCount = SampleCount.Eight;
}
}
if (TestUtils.CheckButtonPressed(Inputs, TestUtils.ButtonType.Right))
{
currentSampleCount += 1;
if (currentSampleCount > SampleCount.Eight)
{
currentSampleCount = SampleCount.One;
}
}
if (prevSampleCount != currentSampleCount)
{
Logger.LogInfo("Setting sample count to: " + currentSampleCount);
}
}
protected override void Draw(double alpha)
{
Matrix4x4 proj = Matrix4x4.CreatePerspectiveFieldOfView(
MathHelper.ToRadians(75f),
(float)MainWindow.Width / MainWindow.Height,
0.01f,
100f
);
Matrix4x4 view = Matrix4x4.CreateLookAt(
camPos,
Vector3.Zero,
Vector3.Up
);
TransformVertexUniform vertUniforms = new TransformVertexUniform(view * proj);
CommandBuffer cmdbuf = GraphicsDevice.AcquireCommandBuffer();
Texture? backbuffer = cmdbuf.AcquireSwapchainTexture(MainWindow);
if (backbuffer != null)
{
// Get a reference to the RT for the given sample count
int rtIndex = (int) currentSampleCount;
Texture rt = renderTargets[rtIndex];
ColorAttachmentInfo rtAttachmentInfo = new ColorAttachmentInfo(
rt,
WriteOptions.Cycle,
Color.Black
);
// Render a triangle to each slice of the cubemap
for (uint i = 0; i < 6; i += 1)
{
rtAttachmentInfo.TextureSlice.Layer = i;
cmdbuf.BeginRenderPass(rtAttachmentInfo);
cmdbuf.BindGraphicsPipeline(msaaPipelines[rtIndex]);
cmdbuf.DrawPrimitives(0, 1);
cmdbuf.EndRenderPass();
}
cmdbuf.BeginRenderPass(new ColorAttachmentInfo(backbuffer, WriteOptions.Cycle, Color.Black));
cmdbuf.BindGraphicsPipeline(cubemapPipeline);
cmdbuf.BindVertexBuffers(vertexBuffer);
cmdbuf.BindIndexBuffer(indexBuffer, IndexElementSize.Sixteen);
cmdbuf.BindFragmentSamplers(new TextureSamplerBinding(rt, sampler));
cmdbuf.PushVertexShaderUniforms(vertUniforms);
cmdbuf.DrawIndexedPrimitives(0, 0, 12);
cmdbuf.EndRenderPass();
}
GraphicsDevice.Submit(cmdbuf);
}
public static void Main(string[] args)
{
MSAACubeGame game = new MSAACubeGame();
game.Run();
}
}
}