async Task Init()
{
var gpu = new Gpu();
#if DEBUG
gpu.EnableD3D12DebugLayer();
#endif
Device = await(await gpu.RequestAdapterAsync()).RequestDeviceAsync();
Windows.Storage.Streams.Buffer verticeCpuBuffer = new Windows.Storage.Streams.Buffer((uint)Buffer.ByteLength(Cube.CubeVertexArray));
verticeCpuBuffer.Length = verticeCpuBuffer.Capacity;
using (var verticeCpuStream = verticeCpuBuffer.AsStream())
{
byte[] vertexBufferBytes = new byte[Buffer.ByteLength(Cube.CubeVertexArray)];
Buffer.BlockCopy(Cube.CubeVertexArray, 0, vertexBufferBytes, 0, Buffer.ByteLength(Cube.CubeVertexArray));
await verticeCpuStream.WriteAsync(vertexBufferBytes, 0, Buffer.ByteLength(Cube.CubeVertexArray));
}
VerticesBuffer = Device.CreateBuffer(new GpuBufferDescriptor((ulong)Buffer.ByteLength(Cube.CubeVertexArray), GpuBufferUsageFlags.Vertex)
{
MappedAtCreation = true
});
verticeCpuBuffer.CopyTo(VerticesBuffer.GetMappedRange());
VerticesBuffer.Unmap();
string shaderCode;
using (var shaderFileStream = typeof(MainPage).Assembly.GetManifestResourceStream("RotatingCube.shader.hlsl"))
using (var shaderStreamReader = new StreamReader(shaderFileStream))
{
shaderCode = shaderStreamReader.ReadToEnd();
}
var shader = Device.CreateShaderModule(new GpuShaderModuleDescriptor(GpuShaderSourceType.Hlsl, shaderCode));
//var shader = Device.CreateShaderModule(new GpuShaderModuleDescriptor(GpuShaderSourceType.Hlsl, ))
var vertexState = new GpuVertexState(shader, "VSMain")
{
VertexBuffers = new GpuVertexBufferLayout[] { new GpuVertexBufferLayout(Cube.CubeVertexSize, new GpuVertexAttribute[]
{
new GpuVertexAttribute()
{
ShaderLocation = 0,
Format = GpuVertexFormat.Float4,
Offset = Cube.CubePositionOffset
},
new GpuVertexAttribute()
{
ShaderLocation = 1,
Format = GpuVertexFormat.Float4,
Offset = Cube.CubeColorOffset
}
}) }
};
var fragmentState = new GpuFragmentState(shader, "PSMain", new GpuColorTargetState[] { new GpuColorTargetState {
Format = GpuTextureFormat.BGRA8UNorm, Blend = null, WriteMask = GpuColorWriteFlags.All
} });
var primitiveState = new GpuPrimitiveState
{
Topology = GpuPrimitiveTopology.TriangleList,
FrontFace = GpuFrontFace.Ccw,
CullMode = GpuCullMode.Back,
StripIndexFormat = null
};
var depthState = new GpuDepthStencilState(GpuTextureFormat.Depth24PlusStencil8)
{
DepthWriteEnabled = true,
DepthCompare = GpuCompareFunction.Less,
};
var uniformBindGroupLayout = Device.CreateBindGroupLayout(new GpuBindGroupLayoutDescriptor(new GpuBindGroupLayoutEntry[]
{
new GpuBindGroupLayoutEntry()
{
Binding = 0,
Visibility = GpuShaderStageFlags.Vertex,
Buffer = new GpuBufferBindingLayout
{
Type = GpuBufferBindingType.Uniform,
HasDynamicOffset = false,
MinBindingSize = UniformBufferSize
}
}
}));
var pipelineLayout = Device.CreatePipelineLayout(new GpuPipelineLayoutDescriptor()
{
BindGroupLayouts = new GpuBindGroupLayout[]
{
uniformBindGroupLayout
}
});
Pipeline = Device.CreateRenderPipeline(new GpuRenderPipelineDescriptor(vertexState)
{
Fragment = fragmentState,
Primitive = primitiveState,
DepthStencilState = depthState,
Layout = pipelineLayout
});
UniformBuffer = Device.CreateBuffer(new GpuBufferDescriptor(UniformBufferSize, GpuBufferUsageFlags.Uniform | GpuBufferUsageFlags.CopyDst));
UniformCpuBuffer = new Windows.Storage.Streams.Buffer(4 * 4 * sizeof(float));
UniformCpuBuffer.Length = UniformCpuBuffer.Capacity;
UniformBindGroup = Device.CreateBindGroup(new GpuBindGroupDescriptor(uniformBindGroupLayout, new GpuBindGroupEntry[]
{
new GpuBindGroupEntry(0, new GpuBufferBinding(UniformBuffer, UniformBufferSize))
}));
}
async Task Init()
{
var gpu = new Gpu();
#if DEBUG
gpu.EnableD3D12DebugLayer();
#endif
Device = await(await gpu.RequestAdapterAsync()).RequestDeviceAsync();
Windows.Storage.Streams.Buffer verticeCpuBuffer = new Windows.Storage.Streams.Buffer((uint)Buffer.ByteLength(Cube.CubeVertexArray));
verticeCpuBuffer.Length = verticeCpuBuffer.Capacity;
using (var verticeCpuStream = verticeCpuBuffer.AsStream())
{
byte[] vertexBufferBytes = new byte[Buffer.ByteLength(Cube.CubeVertexArray)];
Buffer.BlockCopy(Cube.CubeVertexArray, 0, vertexBufferBytes, 0, Buffer.ByteLength(Cube.CubeVertexArray));
await verticeCpuStream.WriteAsync(vertexBufferBytes, 0, Buffer.ByteLength(Cube.CubeVertexArray));
}
VerticesBuffer = Device.CreateBuffer(new GpuBufferDescriptor((ulong)Buffer.ByteLength(Cube.CubeVertexArray), GpuBufferUsageFlags.Vertex)
{
MappedAtCreation = true
});
verticeCpuBuffer.CopyTo(VerticesBuffer.GetMappedRange());
VerticesBuffer.Unmap();
string shaderCode;
using (var shaderFileStream = typeof(MainPage).Assembly.GetManifestResourceStream("TexturedCube.shader.hlsl"))
using (var shaderStreamReader = new StreamReader(shaderFileStream))
{
shaderCode = shaderStreamReader.ReadToEnd();
}
var shader = Device.CreateShaderModule(new GpuShaderModuleDescriptor(GpuShaderSourceType.Hlsl, shaderCode));
var vertexState = new GpuVertexState(shader, "VSMain")
{
VertexBuffers = new GpuVertexBufferLayout[] { new GpuVertexBufferLayout(Cube.CubeVertexSize, new GpuVertexAttribute[]
{
new GpuVertexAttribute()
{
ShaderLocation = 0,
Format = GpuVertexFormat.Float4,
Offset = Cube.CubePositionOffset
},
new GpuVertexAttribute()
{
ShaderLocation = 1,
Format = GpuVertexFormat.Float2,
Offset = Cube.CubeUVOffset
}
}) }
};
var fragmentState = new GpuFragmentState(shader, "PSMain", new GpuColorTargetState[] { new GpuColorTargetState {
Format = GpuTextureFormat.BGRA8UNorm, Blend = null, WriteMask = GpuColorWriteFlags.All
} });
var primitiveState = new GpuPrimitiveState
{
Topology = GpuPrimitiveTopology.TriangleList,
FrontFace = GpuFrontFace.Ccw,
CullMode = GpuCullMode.Back,
StripIndexFormat = null
};
var depthState = new GpuDepthStencilState(GpuTextureFormat.Depth24PlusStencil8)
{
DepthWriteEnabled = true,
DepthCompare = GpuCompareFunction.Less,
};
var uniformBindGroupLayout = Device.CreateBindGroupLayout(new GpuBindGroupLayoutDescriptor(new GpuBindGroupLayoutEntry[]
{
new GpuBindGroupLayoutEntry()
{
Binding = 0,
Visibility = GpuShaderStageFlags.Vertex,
Buffer = new GpuBufferBindingLayout
{
Type = GpuBufferBindingType.Uniform,
HasDynamicOffset = false,
MinBindingSize = UniformBufferSize
}
},
new GpuBindGroupLayoutEntry()
{
Binding = 1,
Visibility = GpuShaderStageFlags.Fragment,
Sampler = new GpuSamplerBindingLayout()
{
Type = GpuSamplerBindingType.Filtering
}
},
new GpuBindGroupLayoutEntry()
{
Binding = 2,
Visibility = GpuShaderStageFlags.Fragment,
Texture = new GpuTextureBindingLayout()
{
SampleType = GpuTextureSampleType.Float,
ViewDimension = GpuTextureViewDimension._2D,
Multisampled = false
}
}
}));
var pipelineLayout = Device.CreatePipelineLayout(new GpuPipelineLayoutDescriptor()
{
BindGroupLayouts = new GpuBindGroupLayout[]
{
uniformBindGroupLayout
}
});
Pipeline = Device.CreateRenderPipeline(new GpuRenderPipelineDescriptor(vertexState)
{
Fragment = fragmentState,
Primitive = primitiveState,
DepthStencilState = depthState,
Layout = pipelineLayout
});
UniformBuffer = Device.CreateBuffer(new GpuBufferDescriptor(UniformBufferSize, GpuBufferUsageFlags.Uniform | GpuBufferUsageFlags.CopyDst));
UniformCpuBuffer = new Windows.Storage.Streams.Buffer(4 * 4 * sizeof(float));
UniformCpuBuffer.Length = UniformCpuBuffer.Capacity;
var imgDecoder = await BitmapDecoder.CreateAsync(typeof(MainPage).Assembly.GetManifestResourceStream("TexturedCube.Di_3d.png").AsRandomAccessStream());
var imageBitmap = await imgDecoder.GetSoftwareBitmapAsync();
var cubeTexture = Device.CreateTexture(new GpuTextureDescriptor(new GpuExtend3DDict {
Width = (uint)imageBitmap.PixelWidth, Height = (uint)imageBitmap.PixelHeight, Depth = 1
}, GpuTextureFormat.BGRA8UNorm, GpuTextureUsageFlags.Sampled | GpuTextureUsageFlags.CopyDst));
Device.DefaultQueue.CopyImageBitmapToTexture(new GpuImageCopyImageBitmap(imageBitmap), new GpuImageCopyTexture(cubeTexture), new GpuExtend3DDict {
Width = (uint)imageBitmap.PixelWidth, Height = (uint)imageBitmap.PixelHeight, Depth = 1
});
var sampler = Device.CreateSampler(new GpuSamplerDescriptor()
{
MagFilter = GpuFilterMode.Linear,
MinFilter = GpuFilterMode.Linear
});
UniformBindGroup = Device.CreateBindGroup(new GpuBindGroupDescriptor(uniformBindGroupLayout, new GpuBindGroupEntry[]
{
new GpuBindGroupEntry(0, new GpuBufferBinding(UniformBuffer, UniformBufferSize)),
new GpuBindGroupEntry(1, sampler),
new GpuBindGroupEntry(2, cubeTexture.CreateView())
}));
}
