public Configure(GpuDevice device, Settings settings, GpuBindGroupLayout bindGroupLayout, GpuBindGroupLayout dynamicBindGroupLayout, GpuBindGroupLayout timeBindGroupLayout, GpuRenderPipeline pipeline, GpuRenderPipeline dynamicPipeline, GpuBuffer vertexBuffer, GpuTextureFormat swapChainFormat)
{
Device = device;
Settings = settings;
Pipeline = pipeline;
DynamicPipeline = dynamicPipeline;
VertexBuffer = vertexBuffer;
SwapChainFormat = swapChainFormat;
UniformBuffer = Device.CreateBuffer(new GpuBufferDescriptor(Settings.NumTriangles * AlignedUniformBytes + sizeof(float), GpuBufferUsageFlags.Uniform | GpuBufferUsageFlags.CopyDst));
var uniformCpuBuffer = new Windows.Storage.Streams.Buffer(Settings.NumTriangles * AlignedUniformBytes)
{
Length = Settings.NumTriangles * AlignedUniformBytes
};
using (var uniformCpuStream = uniformCpuBuffer.AsStream())
using (var uniformCpuWriter = new BinaryWriter(uniformCpuStream))
{
var rand = new Random();
for (var i = 0; i < Settings.NumTriangles; ++i)
{
uniformCpuWriter.Seek((int)(i * AlignedUniformBytes), SeekOrigin.Begin);
float scale = (float)(rand.NextDouble() * 0.2 + 0.2);
//scale = 5;
float offsetX = (float)(0.9 * 2 * (rand.NextDouble() - 0.5));
float offsetY = (float)(0.9 * 2 * (rand.NextDouble() - 0.5));
float scalar = (float)(rand.NextDouble() * 1.5 + 0.5);
float scalarOffset = (float)(rand.NextDouble() * 10);
uniformCpuWriter.Write(scale); //Scale
uniformCpuWriter.Write(offsetX); //offsetX
uniformCpuWriter.Write(offsetY); //offsetY
uniformCpuWriter.Write(scalar); //scalar
uniformCpuWriter.Write(scalarOffset); //scalar offset
}
}
BindGroups = new GpuBindGroup[Settings.NumTriangles];
for (var i = 0; i < Settings.NumTriangles; ++i)
{
BindGroups[i] = Device.CreateBindGroup(new GpuBindGroupDescriptor(bindGroupLayout, new GpuBindGroupEntry[]
{
new GpuBindGroupEntry(0, new GpuBufferBinding(UniformBuffer, 6 * sizeof(float))
{
Offset = (UInt64)(i * AlignedUniformBytes)
})
}));
}
DynamicBindGroup = Device.CreateBindGroup(new GpuBindGroupDescriptor(dynamicBindGroupLayout, new GpuBindGroupEntry[]
{
new GpuBindGroupEntry(0, new GpuBufferBinding(UniformBuffer, 6 * sizeof(float)))
}));
TimeBindGroup = Device.CreateBindGroup(new GpuBindGroupDescriptor(timeBindGroupLayout, new GpuBindGroupEntry[]
{
new GpuBindGroupEntry(0, new GpuBufferBinding(UniformBuffer, sizeof(float))
{
Offset = TimeOffset
})
}));
Device.DefaultQueue.WriteBuffer(UniformBuffer, 0, uniformCpuBuffer);
var renderBundleEncoder = Device.CreateRenderBundleEncoder(new GpuRenderBundleEncoderDescriptor(new GpuTextureFormat[] { SwapChainFormat }));
RecordRenderPass(renderBundleEncoder);
RenderBundle = renderBundleEncoder.Finish();
UniformTimeCpuBuffer = new Windows.Storage.Streams.Buffer(sizeof(float))
{
Length = sizeof(float)
};
}