/// <summary>
/// Attach vertex buffer routine
/// </summary>
/// <param name="context"></param>
/// <param name="vertStartSlot"></param>
protected override bool OnAttachBuffers(DeviceContextProxy context, ref int vertStartSlot)
{
bool succ = GeometryBuffer.AttachBuffers(context, this.VertexLayout, ref vertStartSlot, EffectTechnique.EffectsManager);
InstanceBuffer?.AttachBuffer(context, ref vertStartSlot);
return(succ);
}
/// <summary>
/// Called when [render].
/// </summary>
/// <param name="context">The context.</param>
/// <param name="deviceContext">The device context.</param>
protected override void OnRender(IRenderContext context, DeviceContextProxy deviceContext)
{
perFrameCB.UploadDataToBuffer(deviceContext, ref FrameVariables);
// Clear binding
updatePass.GetShader(ShaderStage.Compute).BindUAV(deviceContext, currentStateSlot, null);
updatePass.GetShader(ShaderStage.Compute).BindUAV(deviceContext, newStateSlot, null);
OnTextureChanged();
OnBlendStateChanged();
// Render existing particles
renderPass.BindShader(deviceContext);
renderPass.BindStates(deviceContext, StateType.RasterState | StateType.DepthStencilState);
renderPass.GetShader(ShaderStage.Vertex).BindTexture(deviceContext, renderStateSlot, BufferProxies[0].SRV);
renderPass.GetShader(ShaderStage.Pixel).BindTexture(deviceContext, textureSlot, textureView);
renderPass.GetShader(ShaderStage.Pixel).BindSampler(deviceContext, samplerSlot, textureSampler);
deviceContext.DeviceContext.InputAssembler.InputLayout = VertexLayout;
deviceContext.DeviceContext.InputAssembler.PrimitiveTopology = PrimitiveTopology.PointList;
int firstSlot = 0;
InstanceBuffer?.AttachBuffer(deviceContext, ref firstSlot);
deviceContext.DeviceContext.OutputMerger.SetBlendState(blendState, null, 0xFFFFFFFF);
deviceContext.DeviceContext.DrawInstancedIndirect(particleCountGSIABuffer.Buffer, 0);
InvalidateRenderer();//Since particle is running all the time. Invalidate once finished rendering
}
/// <summary>
/// Attach vertex buffer routine
/// </summary>
/// <param name="context"></param>
/// <param name="vertStartSlot"></param>
protected virtual bool OnAttachBuffers(DeviceContextProxy context, ref int vertStartSlot)
{
if (GeometryBuffer.AttachBuffers(context, ref vertStartSlot, EffectTechnique.EffectsManager))
{
InstanceBuffer.AttachBuffer(context, ref vertStartSlot);
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// Called when [render].
/// </summary>
/// <param name="context">The context.</param>
/// <param name="deviceContext">The device context.</param>
protected override void OnRender(RenderContext context, DeviceContextProxy deviceContext)
{
perFrameCB.UploadDataToBuffer(deviceContext, ref FrameVariables);
// Clear binding
updatePass.ComputeShader.BindUAV(deviceContext, currentStateSlot, null);
updatePass.ComputeShader.BindUAV(deviceContext, newStateSlot, null);
// Render existing particles
renderPass.BindShader(deviceContext);
renderPass.BindStates(deviceContext, StateType.RasterState | StateType.DepthStencilState);
renderPass.VertexShader.BindTexture(deviceContext, renderStateSlot, BufferProxies[0]);
renderPass.PixelShader.BindTexture(deviceContext, textureSlot, textureView);
renderPass.PixelShader.BindSampler(deviceContext, samplerSlot, textureSampler);
deviceContext.InputLayout = VertexLayout;
int firstSlot = 0;
InstanceBuffer?.AttachBuffer(deviceContext, ref firstSlot);
deviceContext.SetBlendState(blendState, blendFactor, sampleMask);
deviceContext.DrawInstancedIndirect(particleCountGSIABuffer.Buffer, 0);
InvalidateRenderer();//Since particle is running all the time. Invalidate once finished rendering
}
/// <summary>
/// Attach vertex buffer routine
/// </summary>
/// <param name="context"></param>
/// <param name="vertStartSlot"></param>
protected override void OnAttachBuffers(DeviceContext context, ref int vertStartSlot)
{
GeometryBuffer.AttachBuffers(context, this.VertexLayout, ref vertStartSlot, EffectTechnique.EffectsManager);
InstanceBuffer?.AttachBuffer(context, ref vertStartSlot);
}