MoonWorksGraphicsTests/TexturedQuad/TexturedQuadGame.cs

136 lines
4.4 KiB
C#

using MoonWorks;
using MoonWorks.Graphics;
using MoonWorks.Math.Float;
namespace MoonWorks.Test
{
class TexturedQuadGame : Game
{
private GraphicsPipeline pipeline;
private Buffer vertexBuffer;
private Buffer indexBuffer;
private Texture texture;
private Sampler[] samplers = new Sampler[6];
private string[] samplerNames = new string[]
{
"PointClamp",
"PointWrap",
"LinearClamp",
"LinearWrap",
"AnisotropicClamp",
"AnisotropicWrap"
};
private int currentSamplerIndex;
public TexturedQuadGame() : base(TestUtils.GetStandardWindowCreateInfo(), TestUtils.GetStandardFrameLimiterSettings(), 60, true)
{
Logger.LogInfo("Press A and D to cycle between sampler states");
Logger.LogInfo("Setting sampler state to: " + samplerNames[0]);
// Load the shaders
ShaderModule vertShaderModule = new ShaderModule(GraphicsDevice, TestUtils.GetShaderPath("TexturedQuadVert.spv"));
ShaderModule fragShaderModule = new ShaderModule(GraphicsDevice, TestUtils.GetShaderPath("TexturedQuadFrag.spv"));
// Create the graphics pipeline
GraphicsPipelineCreateInfo pipelineCreateInfo = TestUtils.GetStandardGraphicsPipelineCreateInfo(
vertShaderModule,
fragShaderModule
);
pipelineCreateInfo.VertexInputState = new VertexInputState(
VertexBinding.Create<PositionTextureVertex>(),
VertexAttribute.Create<PositionTextureVertex>("Position", 0),
VertexAttribute.Create<PositionTextureVertex>("TexCoord", 1)
);
pipelineCreateInfo.FragmentShaderInfo.SamplerBindingCount = 1;
pipeline = new GraphicsPipeline(GraphicsDevice, pipelineCreateInfo);
// Create samplers
samplers[0] = new Sampler(GraphicsDevice, SamplerCreateInfo.PointClamp);
samplers[1] = new Sampler(GraphicsDevice, SamplerCreateInfo.PointWrap);
samplers[2] = new Sampler(GraphicsDevice, SamplerCreateInfo.LinearClamp);
samplers[3] = new Sampler(GraphicsDevice, SamplerCreateInfo.LinearWrap);
samplers[4] = new Sampler(GraphicsDevice, SamplerCreateInfo.AnisotropicClamp);
samplers[5] = new Sampler(GraphicsDevice, SamplerCreateInfo.AnisotropicWrap);
// Create and populate the GPU resources
vertexBuffer = Buffer.Create<PositionTextureVertex>(GraphicsDevice, BufferUsageFlags.Vertex, 4);
indexBuffer = Buffer.Create<ushort>(GraphicsDevice, BufferUsageFlags.Index, 6);
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(4, 0)),
new PositionTextureVertex(new Vector3(1, 1, 0), new Vector2(4, 4)),
new PositionTextureVertex(new Vector3(-1, 1, 0), new Vector2(0, 4)),
}
);
cmdbuf.SetBufferData(
indexBuffer,
new ushort[]
{
0, 1, 2,
0, 2, 3,
}
);
texture = Texture.LoadPNG(GraphicsDevice, cmdbuf, "Content/Textures/ravioli.png");
GraphicsDevice.Submit(cmdbuf);
GraphicsDevice.Wait();
}
protected override void Update(System.TimeSpan delta)
{
int prevSamplerIndex = currentSamplerIndex;
if (Inputs.Keyboard.IsPressed(Input.KeyCode.A))
{
currentSamplerIndex -= 1;
if (currentSamplerIndex < 0)
{
currentSamplerIndex = samplers.Length - 1;
}
}
if (Inputs.Keyboard.IsPressed(Input.KeyCode.D))
{
currentSamplerIndex += 1;
if (currentSamplerIndex >= samplers.Length)
{
currentSamplerIndex = 0;
}
}
if (prevSamplerIndex != currentSamplerIndex)
{
Logger.LogInfo("Setting sampler state to: " + samplerNames[currentSamplerIndex]);
}
}
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.BindIndexBuffer(indexBuffer, IndexElementSize.Sixteen);
cmdbuf.BindFragmentSamplers(new TextureSamplerBinding(texture, samplers[currentSamplerIndex]));
cmdbuf.DrawIndexedPrimitives(0, 0, 2, 0, 0);
cmdbuf.EndRenderPass();
}
GraphicsDevice.Submit(cmdbuf);
}
public static void Main(string[] args)
{
TexturedQuadGame game = new TexturedQuadGame();
game.Run();
}
}
}