MoonWorksGraphicsTests/Examples/BasicTriangleExample.cs

118 lines
3.0 KiB
C#

using MoonWorks;
using MoonWorks.Graphics;
using MoonWorks.Input;
namespace MoonWorksGraphicsTests;
class BasicTriangleExample : Example
{
private GraphicsPipeline FillPipeline;
private GraphicsPipeline LinePipeline;
private Viewport SmallViewport = new Viewport(160, 120, 320, 240);
private Rect ScissorRect = new Rect(320, 240, 320, 240);
private bool UseWireframeMode;
private bool UseSmallViewport;
private bool UseScissorRect;
public override void Init(Window window, GraphicsDevice graphicsDevice, Inputs inputs)
{
Window = window;
GraphicsDevice = graphicsDevice;
Inputs = inputs;
Window.SetTitle("BasicTriangle");
Logger.LogInfo("Press Left to toggle wireframe mode\nPress Down to toggle small viewport\nPress Right to toggle scissor rect");
Shader vertShaderModule = new Shader(
GraphicsDevice,
TestUtils.GetShaderPath("RawTriangle.vert"),
"main",
new ShaderCreateInfo
{
ShaderStage = ShaderStage.Vertex,
ShaderFormat = ShaderFormat.SPIRV
}
);
Shader fragShaderModule = new Shader(
GraphicsDevice,
TestUtils.GetShaderPath("SolidColor.frag"),
"main",
new ShaderCreateInfo
{
ShaderStage = ShaderStage.Fragment,
ShaderFormat = ShaderFormat.SPIRV
}
);
GraphicsPipelineCreateInfo pipelineCreateInfo = TestUtils.GetStandardGraphicsPipelineCreateInfo(
Window.SwapchainFormat,
vertShaderModule,
fragShaderModule
);
FillPipeline = new GraphicsPipeline(GraphicsDevice, pipelineCreateInfo);
pipelineCreateInfo.RasterizerState.FillMode = FillMode.Line;
LinePipeline = new GraphicsPipeline(GraphicsDevice, pipelineCreateInfo);
}
public override void Update(System.TimeSpan delta)
{
if (TestUtils.CheckButtonPressed(Inputs, TestUtils.ButtonType.Left))
{
UseWireframeMode = !UseWireframeMode;
Logger.LogInfo("Using wireframe mode: " + UseWireframeMode);
}
if (TestUtils.CheckButtonPressed(Inputs, TestUtils.ButtonType.Bottom))
{
UseSmallViewport = !UseSmallViewport;
Logger.LogInfo("Using small viewport: " + UseSmallViewport);
}
if (TestUtils.CheckButtonPressed(Inputs, TestUtils.ButtonType.Right))
{
UseScissorRect = !UseScissorRect;
Logger.LogInfo("Using scissor rect: " + UseScissorRect);
}
}
public override void Draw(double alpha)
{
CommandBuffer cmdbuf = GraphicsDevice.AcquireCommandBuffer();
Texture swapchainTexture = cmdbuf.AcquireSwapchainTexture(Window);
if (swapchainTexture != null)
{
var renderPass = cmdbuf.BeginRenderPass(
new ColorAttachmentInfo(swapchainTexture, false, Color.Black)
);
renderPass.BindGraphicsPipeline(UseWireframeMode ? LinePipeline : FillPipeline);
if (UseSmallViewport)
{
renderPass.SetViewport(SmallViewport);
}
if (UseScissorRect)
{
renderPass.SetScissor(ScissorRect);
}
renderPass.DrawPrimitives(0, 1);
cmdbuf.EndRenderPass(renderPass);
}
GraphicsDevice.Submit(cmdbuf);
}
public override void Destroy()
{
FillPipeline.Dispose();
LinePipeline.Dispose();
}
}