public void SetIndexBuffer(GpuBuffer buffer)
{
//set index buffer to input stage
//test if the buffer can be set
Debug.Assert(GpuConvert.HasBindUsage(buffer.ResourceInfo.BindUsage, GpuBindUsage.IndexBuffer) == true);
//set index buffer
ImmediateContext.InputAssembler.SetIndexBuffer(buffer.Resource as SharpDX.Direct3D11.Buffer,
SharpDX.DXGI.Format.R32_UInt, 0);
}
public void SetVertexBuffer(GpuBuffer buffer)
{
//set vertex buffer to input stage
//test if the buffer can be set
Debug.Assert(GpuConvert.HasBindUsage(buffer.ResourceInfo.BindUsage, GpuBindUsage.VertexBufferr) == true);
//create buffer binding
var bufferBinding = new SharpDX.Direct3D11.VertexBufferBinding(
buffer.Resource as SharpDX.Direct3D11.Buffer,
buffer.ElementSize, 0);
//set vertex buffer
ImmediateContext.InputAssembler.SetVertexBuffers(0, bufferBinding);
}
public void SetBuffer(GpuBuffer buffer, int register, GpuShaderType target = GpuShaderType.All)
{
//set buffer Direct3D instance to pipeline's shader
//we use target shader to flag which shader the buffer will set to
//test if the buffer can be set
Debug.Assert(GpuConvert.HasBindUsage(buffer.ResourceInfo.BindUsage, GpuBindUsage.ConstantBuffer) == true);
//we can use "&" to make sure if we need set buffer to vertex shader
if ((target & GpuShaderType.VertexShader) != GpuShaderType.None)
{
ImmediateContext.VertexShader.SetConstantBuffer(register, buffer.Resource as SharpDX.Direct3D11.Buffer);
}
//we can use "&" to make sure if we need set buffer to pixel shader
if ((target & GpuShaderType.PixelShader) != GpuShaderType.None)
{
ImmediateContext.PixelShader.SetConstantBuffer(register, buffer.Resource as SharpDX.Direct3D11.Buffer);
}
}
