static VertexLayout ReadVertexLayout(MemoryReader reader) { var layout = new VertexLayout(); layout.Begin(); var attributeCount = reader.Read <byte>(); var stride = reader.Read <ushort>(); for (int i = 0; i < attributeCount; i++) { var e = reader.Read <VertexElement>(); var usage = attributeUsageMap[e.Attrib]; layout.Add(usage, e.Count, attributeTypeMap[e.AttribType], e.Normalized != 0, e.AsInt != 0); if (layout.GetOffset(usage) != e.Offset) { throw new InvalidOperationException("Invalid mesh data; vertex attribute offset mismatch."); } } layout.End(); if (layout.Stride != stride) { throw new InvalidOperationException("Invalid mesh data; vertex layout stride mismatch."); } return(layout); }
public static VertexLayout ReadVertexLayout(this UnmanagedMemoryAccessor reader, ref int index) { var layout = new VertexLayout(); layout.Begin(); var attributeCount = reader.ReadByte(ref index); var stride = reader.ReadUInt16(ref index); for (int i = 0; i < attributeCount; i++) { var offset = reader.ReadUInt16(ref index); var attrib = reader.ReadUInt16(ref index); var count = reader.ReadByte(ref index); var attribType = reader.ReadUInt16(ref index); var normalized = reader.ReadBool(ref index); var asInt = reader.ReadBool(ref index); var usage = attributeUsageMap[attrib]; layout.Add(usage, count, attributeTypeMap[attribType], normalized, asInt); if (layout.GetOffset(usage) != offset) { throw new InvalidOperationException("Invalid mesh data; vertex attribute offset mismatch."); } } layout.End(); if (layout.Stride != stride) { throw new InvalidOperationException("Invalid mesh data; vertex layout stride mismatch."); } return(layout); }
public void InitRenderer(MTKView view, IMTLDevice device) { #if BGFX var platformData = new PlatformData(); platformData.WindowHandle = view.Handle; platformData.Context = device.Handle; Bgfx.Bgfx.SetPlatformData(platformData); var settings = new InitSettings(); settings.Backend = RendererBackend.Metal; settings.Width = (int)view.Bounds.Width; settings.Height = (int)view.Bounds.Height; settings.ResetFlags = ResetFlags.Vsync; settings.PlatformData = platformData; //settings.limits.maxEncoders = 128; Bgfx.Bgfx.ManuallyRenderFrame(); Bgfx.Bgfx.Init(settings); var vertexLayout = new VertexLayout(); vertexLayout.Begin(RendererBackend.Metal); vertexLayout.Add(VertexAttributeUsage.Position, 3, VertexAttributeType.Float); vertexLayout.Add(VertexAttributeUsage.Color0, 4, VertexAttributeType.UInt8, true); vertexLayout.End(); var vertexBuffer = new VertexBuffer(MemoryBlock.FromArray(Data.cubeVertices), vertexLayout); var indexBuffer = new IndexBuffer(MemoryBlock.FromArray(Data.cubeTriList)); var vertexShader = LoadShader("vs_cubes.bin"); var fragmentShader = LoadShader("fs_cubes.bin"); var program = new Program(vertexShader, fragmentShader); _vertexBuffer = vertexBuffer; _indexBuffer = indexBuffer; _program = program; Bgfx.Bgfx.Touch(0); #endif view.Delegate = this; }
private void InitGraphics() { var io = ImGui.GetIO(); io.DisplaySize = new System.Numerics.Vector2(Engine.Canvas.Width, Engine.Canvas.Height); m_imgui_program = Engine.Content.Get <ShaderProgram>("imgui_shader"); m_imgui_tex_program = Engine.Content.Get <ShaderProgram>("imgui_shader_image"); m_vertex_layout = new VertexLayout(); m_vertex_layout.Begin(); m_vertex_layout.Add(Attrib.Position, AttribType.Float, 2, false, false); m_vertex_layout.Add(Attrib.TexCoord0, AttribType.Float, 2, false, false); m_vertex_layout.Add(Attrib.Color0, AttribType.Uint8, 4, true, false); m_vertex_layout.End(); m_fonts.Add("default", io.Fonts.AddFontDefault()); unsafe { io.Fonts.GetTexDataAsRGBA32(out IntPtr data, out var width, out var height, out var bytes_per_pixel); m_font_atlas = Texture2D.Create(data, width, height, bytes_per_pixel); m_textures.Add((IntPtr)m_font_atlas.GetHashCode(), m_font_atlas); } m_font_atlas_tex_id = (IntPtr)m_font_atlas.GetHashCode(); io.Fonts.SetTexID(m_font_atlas_tex_id); m_canvas_view = Engine.Canvas.CreateView(Color.Transparent); m_vertex_stream = new VertexStream(VertexStreamMode.Stream); m_vertex_stream.SetVertexLayout(m_vertex_layout); }