public override unsafe void Record(GraphicsContext context, ref Resolver resolver)
{
var resources = resolver.GetComponent <RenderResources>();
var sceneColor = resolver.ResolveResource(resources.SceneColor);
var sceneDepth = resolver.ResolveResource(resources.SceneDepth);
var frame = _frameConstants.As <FrameConstants>();
frame->View = _camera.View;
frame->Projection = _camera.Projection;
_device.CreateRenderTargetView(sceneColor, _rtvs[0]);
_device.CreateDepthStencilView(sceneDepth, _dsvs[0]);
var progressBuffer = _device.Allocator.AllocateBuffer(1024, MemoryAccess.GpuOnly);
context.SetAndClearRenderTarget(_rtvs[0], DefaultSkyColor, _dsvs[0]);
context.SetRootDescriptorTable(RootSignatureConstants.TextureIndex, _texViews[0]);
context.SetConstantBuffer <FrameConstants>(RootSignatureConstants.FrameConstantsIndex, _frameConstants);
context.SetTopology(Topology.TriangleList);
context.SetViewportAndScissor(sceneColor.Resolution);
for (var i = 0u; i < Chunks.Length; i++)
{
ref var chunk = ref Chunks[i];
if (chunk.Chunk.NeedsRebuild)
{
BuildMesh(ref chunk);
}
context.SetConstantBuffer <ChunkConstants>(RootSignatureConstants.ObjectConstantsIndex, chunk.Mesh.Constants);
context.SetShaderResourceBuffer <uint>(RootSignatureConstants.ObjectTexIndicesIndex, chunk.Mesh.TexIndices);
context.SetVertexBuffers <BlockVertex>(chunk.Mesh.Vertices, (uint)chunk.Mesh.VertexCount, 0);
context.SetIndexBuffer <uint>(chunk.Mesh.Indices, (uint)chunk.Mesh.IndexCount);
context.WriteBufferImmediate(progressBuffer.GpuAddress + (sizeof(int) * i), GetDrawIndex(i), WriteBufferImmediateMode.In);
context.DrawIndexed(chunk.Mesh.IndexCount);
private unsafe void SetConstants()
{
_frameConstants = _device.Allocator.AllocateUploadBuffer <FrameConstants>();
Chunks[0].Mesh.Constants = _device.Allocator.AllocateUploadBuffer <ChunkConstants>();
FrameConstants *constants = _frameConstants.As <FrameConstants>();
constants->View = Matrix4x4.CreateLookAt(
new Vector3(0.0f, 0.7f, 1.5f),
new Vector3(0.0f, -0.1f, 0.0f),
new Vector3(0.0f, 1.0f, 0.0f)
);
const float defaultFov = 70.0f * (float)Math.PI / 180.0f;
constants->Projection = Matrix4x4.CreatePerspectiveFieldOfView(defaultFov, 1, 0.01f, 100f);
ChunkConstants *chunkConstants = Chunks[0].Mesh.Constants.As <ChunkConstants>();
chunkConstants->TexTransform = Matrix4x4.Identity;
chunkConstants->World = Matrix4x4.CreateTranslation(0, 0, -5);
}
