public unsafe bool Init(long size, VertexBufferLayout layout)
{
using (var layoutNative = new VertexBufferLayout_NativeInterop(ref layout))
{
return(Orbital_Video_D3D12_VertexBuffer_Init(handle, null, (ulong)size, sizeof(byte), &layoutNative) != 0);
}
}
public VertexBuffer(int numVertices, VertexBufferLayout layout)
{
Layout = layout;
_handle = GL.GenBuffer();
VertexSize = Marshal.SizeOf(typeof(T));
Bind();
GL.BufferData(BufferTarget.ArrayBuffer, numVertices * VertexSize, IntPtr.Zero, BufferUsageHint.DynamicDraw);
}
public VertexBuffer(IEnumerable <T> vertices, VertexBufferLayout layout)
{
Layout = layout;
VertexSize = Marshal.SizeOf(typeof(T));
_handle = GL.GenBuffer();
T[] data = vertices.ToArray();
Bind();
GL.BufferData(BufferTarget.ArrayBuffer, data.Length * VertexSize, data, BufferUsageHint.StaticDraw);
}
public override VertexBufferBase CreateVertexBuffer <T>(T[] vertices, VertexBufferLayout layout, VertexBufferMode mode)
{
var abstraction = new VertexBuffer(this, mode);
if (!abstraction.Init <T>(vertices, layout))
{
abstraction.Dispose();
throw new Exception("Failed to create VertexBuffer");
}
return(abstraction);
}
public unsafe bool Init <T>(T[] vertices, VertexBufferLayout layout) where T : unmanaged
{
using (var layoutNative = new VertexBufferLayout_NativeInterop(ref layout))
{
vertexCount = vertices.Length;
vertexSize = Marshal.SizeOf <T>();
fixed(T *verticesPtr = vertices)
{
return(Orbital_Video_D3D12_VertexBuffer_Init(handle, verticesPtr, (ulong)vertices.LongLength, (uint)vertexSize, &layoutNative) != 0);
}
}
}
public unsafe bool Init <T>(T[] vertices, VertexBufferLayout layout) where T : struct
{
var layoutNative = new VertexBufferLayout_NativeInterop(ref layout);
vertexCount = vertices.Length;
vertexSize = Marshal.SizeOf <T>();
byte[] verticesDataCopy = new byte[vertexSize * vertices.Length];
var gcHandle = GCHandle.Alloc(vertices, GCHandleType.Pinned);
Marshal.Copy(gcHandle.AddrOfPinnedObject(), verticesDataCopy, 0, verticesDataCopy.Length);
gcHandle.Free();
fixed(byte *verticesPtr = verticesDataCopy)
{
return(Orbital_Video_D3D12_VertexBuffer_Init(handle, verticesPtr, (ulong)vertices.LongLength, (uint)vertexSize, &layoutNative) != 0);
}
}
public void AddBuffer <T>(VertexBuffer <T> vb, VertexBufferLayout layout) where T : struct
{
Bind();
vb.Bind();
List <VertexBufferElement> elements = layout.GetElements();
int offest = 0;
for (int i = 0; i < elements.Count; i++)
{
var element = elements[i];
GL.EnableVertexAttribArray(i);
GL.VertexAttribPointer(i, element.count, element.type, element.normalized, layout.Stride, 0);
offest += element.count * VertexBufferElement.SizeOf(element.type);
}
}
private EffectTechnique GetTechniqueFromVertexBuffer <T>(Buffer <T> vertexBuffer) where T : struct
{
EffectTechnique technique = null;
VertexInputLayout inputLayout = VertexInputLayout.FromBuffer(0, vertexBuffer);
VertexBufferLayout bufferLayout = inputLayout.BufferLayouts.First();
bool pos = false, tex = false, col = false;
var semantics = bufferLayout.VertexElements.Select(ve => ve.SemanticName.ToString()).ToArray();
if (semantics.Contains("POSITION"))
{
pos = true;
}
if (semantics.Contains("TEXCOORD"))
{
tex = true;
}
if (semantics.Contains("COLOR"))
{
col = true;
}
if (pos && tex)
{
technique = gbufferEffect.Techniques["PositionTexture"];
}
if (pos && col)
{
technique = gbufferEffect.Techniques["PositionColor"];
}
if (pos)
{
technique = gbufferEffect.Techniques["Position"];
}
if (technique == null)
{
throw new NotSupportedException();
}
return(technique);
}
private void Init(GraphicsDevice graphicsDevice)
{
_screenTriangle = SharpDX.Toolkit.Graphics.Buffer.Vertex.New(graphicsDevice, new[] {
new Vector2(-1.0f, -1.0f),
new Vector2(3.0f, -1.0f),
new Vector2(-1.0f, 3.0f)
}, SharpDX.Direct3D11.ResourceUsage.Immutable);
_vertexInputLayout = VertexInputLayout.New(
VertexBufferLayout.New(0, new VertexElement[] { new VertexElement("POSITION", 0, SharpDX.DXGI.Format.R32G32_Float, 0) }, 0));
var rasterizerStateDesc = SharpDX.Direct3D11.RasterizerStateDescription.Default();
rasterizerStateDesc.CullMode = SharpDX.Direct3D11.CullMode.None;
_noneCullingState = RasterizerState.New(graphicsDevice, "CullModeNone", rasterizerStateDesc);
initalised = true;
}
public VertexBufferLayout_NativeInterop(ref VertexBufferLayout layout)
{
// init defaults
elementCount = 0;
elements = null;
// init elements
if (layout.elements != null)
{
elementCount = layout.elements.Length;
elements = (VertexBufferLayoutElement_NativeInterop *)Marshal.AllocHGlobal(Marshal.SizeOf <VertexBufferLayoutElement_NativeInterop>() * elementCount);
for (int i = 0; i != elementCount; ++i)
{
elements[i].type = layout.elements[i].type;
elements[i].usage = layout.elements[i].usage;
elements[i].streamIndex = layout.elements[i].streamIndex;
elements[i].usageIndex = layout.elements[i].usageIndex;
elements[i].byteOffset = layout.elements[i].byteOffset;
}
}
}
public VertexArray AddVertexBuffer <T>(VertexBuffer <T> vertexBuffer) where T : struct
{
Bind();
vertexBuffer.Bind();
VertexBufferLayout layout = vertexBuffer.Layout;
foreach (KeyValuePair <string, IVertexBufferElement> element in layout)
{
GL.EnableVertexAttribArray(_attributeIndex);
GL.VertexAttribPointer(
_attributeIndex,
element.Value.Dimensions,
element.Value.Type,
element.Value.Normalized,
vertexBuffer.VertexSize,
element.Value.Offset
);
_attributeIndex++;
}
return(this);
}
protected override void OnLoad(EventArgs e)
{
vertex = new float[8] {
-0.5f, -0.5f,
0.5f, -0.5f,
0.5f, 0.5f,
-0.5f, 0.5f
};
index = new uint[6]
{
0, 1, 2,
2, 3, 0
};
vbo = new VertexBuffer <float>(vertex, vertex.Length * sizeof(float));
vao = new VertexArray();
VertexBufferLayout layout = new VertexBufferLayout();
layout.Push(2, VertexAttribPointerType.Float);
vao.AddBuffer(vbo, layout);
ibo = new IndexBuffer(index, index.Length);
shader = new Shader("Standard");
shader.Bind();
shader.Uniform4("u_Color", Color4.Teal);
renderer = new Renderer();
base.OnLoad(e);
}
public void Init(string platformPath, string folder64Bit, string folder32Bit)
{
// pre-load native libs
string libFolderBit;
if (IntPtr.Size == 8)
{
libFolderBit = folder64Bit;
}
else if (IntPtr.Size == 4)
{
libFolderBit = folder32Bit;
}
else
{
throw new NotSupportedException("Unsupported bit size: " + IntPtr.Size.ToString());
}
#if RELEASE
const string config = "Release";
#else
const string config = "Debug";
#endif
// load api abstraction (api-instance and hardware-device)
var abstractionDesc = new AbstractionDesc(true);
abstractionDesc.supportedAPIs = new AbstractionAPI[] { AbstractionAPI.D3D12 };
abstractionDesc.deviceDescD3D12.window = window;
abstractionDesc.nativeLibPathD3D12 = Path.Combine(platformPath, @"Shared\Orbital.Video.D3D12.Native\bin", libFolderBit, config);
abstractionDesc.deviceDescVulkan.window = window;
abstractionDesc.nativeLibPathVulkan = Path.Combine(platformPath, @"Shared\Orbital.Video.Vulkan.Native\bin", libFolderBit, config);
if (!Abstraction.InitFirstAvaliable(abstractionDesc, out instance, out device))
{
throw new Exception("Failed to init abstraction");
}
// create command list
commandList = device.CreateCommandList();
// create render pass
var renderPassDesc = new RenderPassDesc()
{
clearColor = true,
clearColorValue = new Vec4(0, .2f, .4f, 1)
};
renderPass = device.CreateRenderPass(renderPassDesc);
// create texture
int textureWidth = 256, textureHeight = 256;
var textureData = new byte[textureWidth * textureHeight * 4];
for (int y = 0; y != textureHeight; ++y)
{
for (int x = 0; x != textureWidth; ++x)
{
int i = (x * 4) + (y * textureWidth * 4);
if (x % 16 <= 7 && y % 16 <= 7)
{
textureData[i + 0] = 0;
textureData[i + 1] = 0;
textureData[i + 2] = 0;
textureData[i + 3] = 0;
}
else
{
textureData[i + 0] = 255;
textureData[i + 1] = 255;
textureData[i + 2] = 255;
textureData[i + 3] = 255;
}
}
}
texture = device.CreateTexture2D(TextureFormat.B8G8R8A8, textureWidth, textureHeight, textureData, TextureMode.GPUOptimized);
// create texture 2
textureWidth = 100;
textureHeight = 100;
textureData = new byte[textureWidth * textureHeight * 4];
for (int y = 0; y != textureHeight; ++y)
{
for (int x = 0; x != textureWidth; ++x)
{
int i = (x * 4) + (y * textureWidth * 4);
if (x % 16 <= 7 && y % 16 <= 7)
{
textureData[i + 0] = 0;
textureData[i + 1] = 0;
textureData[i + 2] = 0;
textureData[i + 3] = 0;
}
else
{
textureData[i + 0] = 255;
textureData[i + 1] = 255;
textureData[i + 2] = 255;
textureData[i + 3] = 255;
}
}
}
texture2 = device.CreateTexture2D(TextureFormat.B8G8R8A8, textureWidth, textureHeight, textureData, TextureMode.GPUOptimized);
// create constant buffer
constantBufferObject = new ConstantBufferObject()
{
offset = .5f,
constrast = .5f
};
constantBuffer = device.CreateConstantBuffer <ConstantBufferObject>(constantBufferObject, ConstantBufferMode.Write);
// load shaders
// TODO: load CS2X compiled ShaderEffect
/*using (var stream = new FileStream("Shader.se", FileMode.Open, FileAccess.Read, FileShare.Read))
* {
* shaderEffect = device.CreateShaderEffect(stream, ShaderEffectSamplerAnisotropy.Default);
* }*/
using (var vsStream = new FileStream("Shaders\\Shader_D3D12.vs", FileMode.Open, FileAccess.Read, FileShare.Read))
using (var psStream = new FileStream("Shaders\\Shader_D3D12.ps", FileMode.Open, FileAccess.Read, FileShare.Read))
{
var vs = new Video.D3D12.Shader((Video.D3D12.Device)device, ShaderType.VS);
var ps = new Video.D3D12.Shader((Video.D3D12.Device)device, ShaderType.PS);
if (!vs.Init(vsStream))
{
throw new Exception("Failed to init VS shader");
}
if (!ps.Init(psStream))
{
throw new Exception("Failed to init PS shader");
}
var desc = new ShaderEffectDesc();
desc.constantBuffers = new ShaderEffectConstantBuffer[1];
desc.constantBuffers[0] = new ShaderEffectConstantBuffer()
{
registerIndex = 0,
usage = ShaderEffectResourceUsage.VS
};
desc.textures = new ShaderEffectTexture[2];
desc.textures[0] = new ShaderEffectTexture()
{
registerIndex = 0,
usage = ShaderEffectResourceUsage.PS
};
desc.textures[1] = new ShaderEffectTexture()
{
registerIndex = 1,
usage = ShaderEffectResourceUsage.PS
};
desc.samplers = new ShaderEffectSampler[1];
desc.samplers[0] = new ShaderEffectSampler()
{
registerIndex = 0,
filter = ShaderEffectSamplerFilter.Default,
anisotropy = ShaderEffectSamplerAnisotropy.Default,
addressU = ShaderEffectSamplerAddress.Wrap,
addressV = ShaderEffectSamplerAddress.Wrap,
addressW = ShaderEffectSamplerAddress.Wrap
};
shaderEffect = device.CreateShaderEffect(vs, ps, null, null, null, desc, true);
}
// create vertex buffer
var vertexBufferLayout = new VertexBufferLayout();
vertexBufferLayout.elements = new VertexBufferLayoutElement[3];
vertexBufferLayout.elements[0] = new VertexBufferLayoutElement()
{
type = VertexBufferLayoutElementType.Float3,
usage = VertexBufferLayoutElementUsage.Position,
streamIndex = 0, usageIndex = 0, byteOffset = 0
};
vertexBufferLayout.elements[1] = new VertexBufferLayoutElement()
{
type = VertexBufferLayoutElementType.RGBAx8,
usage = VertexBufferLayoutElementUsage.Color,
streamIndex = 0, usageIndex = 0, byteOffset = (sizeof(float) * 3)
};
vertexBufferLayout.elements[2] = new VertexBufferLayoutElement()
{
type = VertexBufferLayoutElementType.Float2,
usage = VertexBufferLayoutElementUsage.UV,
streamIndex = 0, usageIndex = 0, byteOffset = (sizeof(float) * 3) + 4
};
var vertices = new Vertex[]
{
new Vertex(new Vec3(-1, -1, 0), Color4.red, new Vec2(0, 0)),
new Vertex(new Vec3(0, 1, 0), Color4.green, new Vec2(.5f, 1)),
new Vertex(new Vec3(1, -1, 0), Color4.blue, new Vec2(1, 0))
};
vertexBuffer = device.CreateVertexBuffer <Vertex>(vertices, vertexBufferLayout, VertexBufferMode.GPUOptimized);
// create render state
var renderStateDesc = new RenderStateDesc()
{
renderPass = renderPass,
shaderEffect = shaderEffect,
constantBuffers = new ConstantBufferBase[1],
textures = new TextureBase[2],
vertexBuffer = vertexBuffer,
vertexBufferTopology = VertexBufferTopology.Triangle
};
renderStateDesc.constantBuffers[0] = constantBuffer;
renderStateDesc.textures[0] = texture;
renderStateDesc.textures[1] = texture2;
renderState = device.CreateRenderState(renderStateDesc, 0);
// print all GPUs this abstraction supports
if (!instance.QuerySupportedAdapters(false, out var adapters))
{
throw new Exception("Failed: QuerySupportedAdapters");
}
foreach (var adapter in adapters)
{
Debug.WriteLine(adapter.name);
}
}
public override VertexBufferBase CreateVertexBuffer(int size, VertexBufferLayout layout, VertexBufferMode mode)
{
throw new NotImplementedException();
}
public VoxelRenderer(GraphicsDevice graphicsDevice, ContentManager contentManager)
{
_cubeVertexBuffer = Buffer.Vertex.New(
graphicsDevice,
new[]
{
// 3D coordinates UV Texture coordinates
new CubeVertex()
{
Position = new Vector3(-1.0f, -1.0f, -1.0f), Normal = -Vector3.UnitZ, Texcoord = new Vector2(0.0f, 1.0f)
}, // Front
new CubeVertex()
{
Position = new Vector3(-1.0f, 1.0f, -1.0f), Normal = -Vector3.UnitZ, Texcoord = new Vector2(0.0f, 0.0f)
},
new CubeVertex()
{
Position = new Vector3(1.0f, 1.0f, -1.0f), Normal = -Vector3.UnitZ, Texcoord = new Vector2(1.0f, 0.0f)
},
new CubeVertex()
{
Position = new Vector3(-1.0f, -1.0f, -1.0f), Normal = -Vector3.UnitZ, Texcoord = new Vector2(0.0f, 1.0f)
},
new CubeVertex()
{
Position = new Vector3(1.0f, 1.0f, -1.0f), Normal = -Vector3.UnitZ, Texcoord = new Vector2(1.0f, 0.0f)
},
new CubeVertex()
{
Position = new Vector3(1.0f, -1.0f, -1.0f), Normal = -Vector3.UnitZ, Texcoord = new Vector2(1.0f, 1.0f)
},
new CubeVertex()
{
Position = new Vector3(-1.0f, -1.0f, 1.0f), Normal = Vector3.UnitZ, Texcoord = new Vector2(1.0f, 0.0f)
}, // BACK
new CubeVertex()
{
Position = new Vector3(1.0f, 1.0f, 1.0f), Normal = Vector3.UnitZ, Texcoord = new Vector2(0.0f, 1.0f)
},
new CubeVertex()
{
Position = new Vector3(-1.0f, 1.0f, 1.0f), Normal = Vector3.UnitZ, Texcoord = new Vector2(1.0f, 1.0f)
},
new CubeVertex()
{
Position = new Vector3(-1.0f, -1.0f, 1.0f), Normal = Vector3.UnitZ, Texcoord = new Vector2(1.0f, 0.0f)
},
new CubeVertex()
{
Position = new Vector3(1.0f, -1.0f, 1.0f), Normal = Vector3.UnitZ, Texcoord = new Vector2(0.0f, 0.0f)
},
new CubeVertex()
{
Position = new Vector3(1.0f, 1.0f, 1.0f), Normal = Vector3.UnitZ, Texcoord = new Vector2(0.0f, 1.0f)
},
new CubeVertex()
{
Position = new Vector3(-1.0f, 1.0f, -1.0f), Normal = Vector3.UnitY, Texcoord = new Vector2(0.0f, 1.0f)
}, // Top
new CubeVertex()
{
Position = new Vector3(-1.0f, 1.0f, 1.0f), Normal = Vector3.UnitY, Texcoord = new Vector2(0.0f, 0.0f)
},
new CubeVertex()
{
Position = new Vector3(1.0f, 1.0f, 1.0f), Normal = Vector3.UnitY, Texcoord = new Vector2(1.0f, 0.0f)
},
new CubeVertex()
{
Position = new Vector3(-1.0f, 1.0f, -1.0f), Normal = Vector3.UnitY, Texcoord = new Vector2(0.0f, 1.0f)
},
new CubeVertex()
{
Position = new Vector3(1.0f, 1.0f, 1.0f), Normal = Vector3.UnitY, Texcoord = new Vector2(1.0f, 0.0f)
},
new CubeVertex()
{
Position = new Vector3(1.0f, 1.0f, -1.0f), Normal = Vector3.UnitY, Texcoord = new Vector2(1.0f, 1.0f)
},
new CubeVertex()
{
Position = new Vector3(-1.0f, -1.0f, -1.0f), Normal = -Vector3.UnitY, Texcoord = new Vector2(1.0f, 0.0f)
}, // Bottom
new CubeVertex()
{
Position = new Vector3(1.0f, -1.0f, 1.0f), Normal = -Vector3.UnitY, Texcoord = new Vector2(0.0f, 1.0f)
},
new CubeVertex()
{
Position = new Vector3(-1.0f, -1.0f, 1.0f), Normal = -Vector3.UnitY, Texcoord = new Vector2(1.0f, 1.0f)
},
new CubeVertex()
{
Position = new Vector3(-1.0f, -1.0f, -1.0f), Normal = -Vector3.UnitY, Texcoord = new Vector2(1.0f, 0.0f)
},
new CubeVertex()
{
Position = new Vector3(1.0f, -1.0f, -1.0f), Normal = -Vector3.UnitY, Texcoord = new Vector2(0.0f, 0.0f)
},
new CubeVertex()
{
Position = new Vector3(1.0f, -1.0f, 1.0f), Normal = -Vector3.UnitY, Texcoord = new Vector2(0.0f, 1.0f)
},
new CubeVertex()
{
Position = new Vector3(-1.0f, -1.0f, -1.0f), Normal = -Vector3.UnitX, Texcoord = new Vector2(0.0f, 1.0f)
}, // Left
new CubeVertex()
{
Position = new Vector3(-1.0f, -1.0f, 1.0f), Normal = -Vector3.UnitX, Texcoord = new Vector2(0.0f, 0.0f)
},
new CubeVertex()
{
Position = new Vector3(-1.0f, 1.0f, 1.0f), Normal = -Vector3.UnitX, Texcoord = new Vector2(1.0f, 0.0f)
},
new CubeVertex()
{
Position = new Vector3(-1.0f, -1.0f, -1.0f), Normal = -Vector3.UnitX, Texcoord = new Vector2(0.0f, 1.0f)
},
new CubeVertex()
{
Position = new Vector3(-1.0f, 1.0f, 1.0f), Normal = -Vector3.UnitX, Texcoord = new Vector2(1.0f, 0.0f)
},
new CubeVertex()
{
Position = new Vector3(-1.0f, 1.0f, -1.0f), Normal = -Vector3.UnitX, Texcoord = new Vector2(1.0f, 1.0f)
},
new CubeVertex()
{
Position = new Vector3(1.0f, -1.0f, -1.0f), Normal = Vector3.UnitX, Texcoord = new Vector2(1.0f, 0.0f)
}, // Right
new CubeVertex()
{
Position = new Vector3(1.0f, 1.0f, 1.0f), Normal = Vector3.UnitX, Texcoord = new Vector2(0.0f, 1.0f)
},
new CubeVertex()
{
Position = new Vector3(1.0f, -1.0f, 1.0f), Normal = Vector3.UnitX, Texcoord = new Vector2(1.0f, 1.0f)
},
new CubeVertex()
{
Position = new Vector3(1.0f, -1.0f, -1.0f), Normal = Vector3.UnitX, Texcoord = new Vector2(1.0f, 0.0f)
},
new CubeVertex()
{
Position = new Vector3(1.0f, 1.0f, -1.0f), Normal = Vector3.UnitX, Texcoord = new Vector2(0.0f, 0.0f)
},
new CubeVertex()
{
Position = new Vector3(1.0f, 1.0f, 1.0f), Normal = Vector3.UnitX, Texcoord = new Vector2(0.0f, 1.0f)
}
}, SharpDX.Direct3D11.ResourceUsage.Immutable);
// Create an input layout from the vertices
_vertexInputLayout = VertexInputLayout.New(
VertexBufferLayout.New(0, new VertexElement[] { new VertexElement("POSITION_CUBE", 0, SharpDX.DXGI.Format.R32G32B32_Float, 0),
new VertexElement("NORMAL", 0, SharpDX.DXGI.Format.R32G32B32_Float, sizeof(float) * 3),
new VertexElement("TEXCOORD", 0, SharpDX.DXGI.Format.R32G32_Float, sizeof(float) * 6) }, 0),
VertexBufferLayout.New(1, new VertexElement[] { new VertexElement("POSITION_INSTANCE", SharpDX.DXGI.Format.R32_SInt) }, 1));
// Create instance buffer for every VoxelInfo
_voxelTypeRenderingData = new VoxelTypeInstanceData[TypeInformation.GetNumTypes() - 1];
for (int i = 0; i < _voxelTypeRenderingData.Length; ++i)
{
_voxelTypeRenderingData[i] = new VoxelTypeInstanceData(graphicsDevice, (VoxelType)(i + 1));
}
LoadTextures(contentManager);
// load shader
EffectCompilerFlags compilerFlags = EffectCompilerFlags.None;
#if DEBUG
compilerFlags |= EffectCompilerFlags.Debug;
#endif
var voxelShaderCompileResult = EffectCompiler.CompileFromFile("Content/voxel.fx", compilerFlags);
if (voxelShaderCompileResult.HasErrors)
{
System.Console.WriteLine(voxelShaderCompileResult.Logger.Messages);
System.Diagnostics.Debugger.Break();
}
_voxelEffect = new SharpDX.Toolkit.Graphics.Effect(graphicsDevice, voxelShaderCompileResult.EffectData);
// setup states
var rasterizerStateDesc = SharpDX.Direct3D11.RasterizerStateDescription.Default();
rasterizerStateDesc.CullMode = SharpDX.Direct3D11.CullMode.Back;
_backfaceCullingState = RasterizerState.New(graphicsDevice, "CullModeBack", rasterizerStateDesc);
rasterizerStateDesc.CullMode = SharpDX.Direct3D11.CullMode.None;
_noneCullingState = RasterizerState.New(graphicsDevice, "CullModeNone", rasterizerStateDesc);
var depthStencilStateDesc = SharpDX.Direct3D11.DepthStencilStateDescription.Default();
depthStencilStateDesc.IsDepthEnabled = true;
_depthStencilStateState = DepthStencilState.New(graphicsDevice, "NormalZBufferUse", depthStencilStateDesc);
var samplerStateDesc = SharpDX.Direct3D11.SamplerStateDescription.Default();
samplerStateDesc.AddressV = SharpDX.Direct3D11.TextureAddressMode.Mirror;
samplerStateDesc.AddressU = SharpDX.Direct3D11.TextureAddressMode.Mirror;
samplerStateDesc.Filter = SharpDX.Direct3D11.Filter.MinMagMipPoint;
_pointSamplerState = SamplerState.New(graphicsDevice, "PointSampler", samplerStateDesc);
_voxelEffect.Parameters["PointSampler"].SetResource(_pointSamplerState);
var blendStateDesc = SharpDX.Direct3D11.BlendStateDescription.Default();
_blendStateOpaque = BlendState.New(graphicsDevice, "Opaque", blendStateDesc);
blendStateDesc.RenderTarget[0].IsBlendEnabled = true;
blendStateDesc.RenderTarget[0].SourceBlend = SharpDX.Direct3D11.BlendOption.SourceAlpha;
blendStateDesc.RenderTarget[0].DestinationBlend = SharpDX.Direct3D11.BlendOption.InverseSourceAlpha;
blendStateDesc.RenderTarget[0].BlendOperation = SharpDX.Direct3D11.BlendOperation.Add;
_blendStateTransparent = BlendState.New(graphicsDevice, "AlphaBlend", blendStateDesc);
// vertexbuffer for a single instance
_singleInstanceBuffer = Buffer.Vertex.New <Int32>(graphicsDevice, 1, SharpDX.Direct3D11.ResourceUsage.Dynamic);
}
public override VertexBufferBase CreateVertexBuffer <T>(T[] vertices, VertexBufferLayout layout, VertexBufferMode mode)
{
throw new NotImplementedException();
}
private void LoadFromNode(Assimp.Scene _scene, Assimp.Node _node, GraphicsDevice _device, SharpDX.Toolkit.Content.ContentManager _content, Matrix _transform)
{
// Sum up transformations recursively
_transform = FromMatrix(_node.Transform) * _transform;
Matrix transformInvTr = Helpers.CreateInverseTranspose(ref _transform);
// Recursive load from scene
if (_node.HasChildren)
{
foreach (Assimp.Node node in _node.Children)
{
LoadFromNode(_scene, node, _device, _content, _transform);
}
}
if (_node.HasMeshes)
{
foreach (int meshIndex in _node.MeshIndices)
{
Assimp.Mesh mesh = _scene.Meshes[meshIndex];
ModelMesh modelMesh = new ModelMesh();
// if mesh has a diffuse texture extract it
Assimp.Material material = _scene.Materials[mesh.MaterialIndex];
if (material != null && material.GetTextureCount(TextureType.Diffuse) > 0)
{
TextureSlot texture = material.GetTexture(TextureType.Diffuse, 0);
// Create new texture for mesh
var dxtexture = _content.Load <Texture2D>(texture.FilePath);
modelMesh.DiffuseTexture = dxtexture;
}
// Position is mandarory
if (!mesh.HasVertices)
{
throw new Exception("Model::Model(): Model has no vertices.");
}
// Determine the elements in the vertex
bool hasTexCoords = mesh.HasTextureCoords(0);
bool hasColors = mesh.HasVertexColors(0);
bool hasNormals = mesh.HasNormals;
bool hasTangents = mesh.Tangents != null;
bool hasBitangents = mesh.BiTangents != null;
int numElements = 1 + (hasTexCoords ? 1 : 0) + (hasColors ? 1 : 0) + (hasNormals ? 1 : 0) + (hasTangents ? 1 : 0) + (hasBitangents ? 1 : 0);
// Create vertex element list: Here starts the section of creating SharpDX stuff
VertexElement[] vertexElements = new VertexElement[numElements];
uint elementIndex = 0;
vertexElements[elementIndex++] = new VertexElement("POSITION", 0, SharpDX.DXGI.Format.R32G32B32_Float, 0);
int vertexSize = Utilities.SizeOf <Vector3>();
if (hasColors)
{
vertexElements[elementIndex++] = new VertexElement("COLOR", 0, SharpDX.DXGI.Format.R8G8B8A8_UInt, vertexSize);
vertexSize += Utilities.SizeOf <Color>();
}
if (hasNormals)
{
vertexElements[elementIndex++] = new VertexElement("NORMAL", 0, SharpDX.DXGI.Format.R32G32B32_Float, vertexSize);
vertexSize += Utilities.SizeOf <Vector3>();
}
if (hasTangents)
{
vertexElements[elementIndex++] = new VertexElement("TANGENT", 0, SharpDX.DXGI.Format.R32G32B32_Float, vertexSize);
vertexSize += Utilities.SizeOf <Vector3>();
}
if (hasBitangents)
{
vertexElements[elementIndex++] = new VertexElement("BITANGENT", 0, SharpDX.DXGI.Format.R32G32B32_Float, vertexSize);
vertexSize += Utilities.SizeOf <Vector3>();
}
if (hasTexCoords)
{
vertexElements[elementIndex++] = new VertexElement("TEXCOORD", 0, SharpDX.DXGI.Format.R32G32_Float, vertexSize);
vertexSize += Utilities.SizeOf <Vector2>();
}
// Set the vertex elements and size
modelMesh.InputLayout = VertexInputLayout.New(VertexBufferLayout.New(0, vertexElements));
modelMesh.VertexSize = vertexSize;
// Determine primitive type
switch (mesh.PrimitiveType)
{
case Assimp.PrimitiveType.Point: modelMesh.PrimitiveTopology = SharpDX.Toolkit.Graphics.PrimitiveType.PointList; break;
case Assimp.PrimitiveType.Line: modelMesh.PrimitiveTopology = SharpDX.Toolkit.Graphics.PrimitiveType.LineList; break;
case Assimp.PrimitiveType.Triangle: modelMesh.PrimitiveTopology = SharpDX.Toolkit.Graphics.PrimitiveType.TriangleList; break;
default: throw new Exception("Model::Model(): Unknown primitive type");
}
// Create data stream for vertices
//System.IO.MemoryStream vertexStream = new System.IO.MemoryStream(mesh.VertexCount * vertexSize);
DataStream vertexStream = new DataStream(mesh.VertexCount * vertexSize, true, true);
for (int i = 0; i < mesh.VertexCount; i++)
{
vertexStream.Write <Vector3>(Helpers.Transform(FromVector(mesh.Vertices[i]), ref _transform));
if (hasColors)
{
vertexStream.Write <Color>(FromColor(mesh.GetVertexColors(0)[i]));
}
if (hasNormals)
{
vertexStream.Write <Vector3>(Helpers.Transform(FromVector(mesh.Normals[i]), ref transformInvTr));
}
if (hasTangents)
{
vertexStream.Write <Vector3>(Helpers.Transform(FromVector(mesh.Tangents[i]), ref transformInvTr));
}
if (hasBitangents)
{
vertexStream.Write <Vector3>(Helpers.Transform(FromVector(mesh.BiTangents[i]), ref transformInvTr));
}
if (hasTexCoords)
{
vertexStream.Write <Vector2>(new Vector2(mesh.GetTextureCoords(0)[i].X, mesh.GetTextureCoords(0)[i].Y));
}
}
vertexStream.Position = 0;
// Create new vertex buffer
var vertexBuffer = SharpDX.Toolkit.Graphics.Buffer.Vertex.New(_device, vertexStream);
// Add it to the mesh
modelMesh.VertexBuffer = vertexBuffer;
modelMesh.VertexCount = mesh.VertexCount;
modelMesh.PrimitiveCount = mesh.FaceCount;
// Create new index buffer
var indexBuffer = SharpDX.Toolkit.Graphics.Buffer.Index.New(_device, mesh.GetIndices());
// Add it to the mesh
modelMesh.IndexBuffer = indexBuffer;
modelMesh.IndexCount = mesh.GetIndices().GetLength(0);
m_meshes.Add(modelMesh);
}
}
}
