MoonWorksGraphicsTests/VideoPlayer/VideoPlayerGame.cs

99 lines
3.1 KiB
C#

using MoonWorks.Math.Float;
using MoonWorks.Graphics;
using MoonWorks.Video;
namespace MoonWorks.Test
{
class VideoPlayerGame : Game
{
private GraphicsPipeline pipeline;
private Sampler sampler;
private GpuBuffer vertexBuffer;
private GpuBuffer indexBuffer;
private Video.VideoAV1 video;
private VideoPlayer videoPlayer;
public VideoPlayerGame() : base(TestUtils.GetStandardWindowCreateInfo(), TestUtils.GetStandardFrameLimiterSettings(), TestUtils.PreferredBackends, 60, true)
{
// Load the shaders
ShaderModule vertShaderModule = new ShaderModule(GraphicsDevice, TestUtils.GetShaderPath("TexturedQuad.vert"));
ShaderModule fragShaderModule = new ShaderModule(GraphicsDevice, TestUtils.GetShaderPath("TexturedQuad.frag"));
// Create the graphics pipeline
GraphicsPipelineCreateInfo pipelineCreateInfo = TestUtils.GetStandardGraphicsPipelineCreateInfo(
MainWindow.SwapchainFormat,
vertShaderModule,
fragShaderModule
);
pipelineCreateInfo.VertexInputState = VertexInputState.CreateSingleBinding<PositionTextureVertex>();
pipelineCreateInfo.FragmentShaderInfo.SamplerBindingCount = 1;
pipeline = new GraphicsPipeline(GraphicsDevice, pipelineCreateInfo);
// Create the sampler
sampler = new Sampler(GraphicsDevice, SamplerCreateInfo.LinearClamp);
// Create and populate the GPU resources
var resourceUploader = new ResourceUploader(GraphicsDevice);
vertexBuffer = resourceUploader.CreateBuffer(
[
new PositionTextureVertex(new Vector3(-1, -1, 0), new Vector2(0, 0)),
new PositionTextureVertex(new Vector3(1, -1, 0), new Vector2(1, 0)),
new PositionTextureVertex(new Vector3(1, 1, 0), new Vector2(1, 1)),
new PositionTextureVertex(new Vector3(-1, 1, 0), new Vector2(0, 1)),
],
BufferUsageFlags.Vertex
);
indexBuffer = resourceUploader.CreateBuffer<ushort>(
[
0, 1, 2,
0, 2, 3,
],
BufferUsageFlags.Index
);
resourceUploader.Upload();
resourceUploader.Dispose();
// Load the video
video = new VideoAV1(GraphicsDevice, TestUtils.GetVideoPath("hello.obu"), 25);
// Play the video
videoPlayer = new VideoPlayer(GraphicsDevice);
videoPlayer.Load(video);
videoPlayer.Loop = true;
videoPlayer.Play();
}
protected override void Update(System.TimeSpan delta)
{
videoPlayer.Render();
}
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.CornflowerBlue));
cmdbuf.BindGraphicsPipeline(pipeline);
cmdbuf.BindVertexBuffers(vertexBuffer);
cmdbuf.BindIndexBuffer(indexBuffer, IndexElementSize.Sixteen);
cmdbuf.BindFragmentSamplers(new TextureSamplerBinding(videoPlayer.RenderTexture, sampler));
cmdbuf.DrawIndexedPrimitives(0, 0, 2);
cmdbuf.EndRenderPass();
}
GraphicsDevice.Submit(cmdbuf);
}
public static void Main(string[] args)
{
VideoPlayerGame game = new VideoPlayerGame();
game.Run();
}
}
}