private static void PreparePointLights()
{
bool visiblePointlights = VisiblePointlights.Count != 0;
if (!visiblePointlights && !m_lastFrameVisiblePointlights)
{
return;
}
m_lastFrameVisiblePointlights = visiblePointlights;
if (VisiblePointlights.Count > MyRender11Constants.MAX_POINT_LIGHTS)
{
VisiblePointlights.Sort((x, y) => x.ViewerDistanceSquared.CompareTo(y.ViewerDistanceSquared));
while (VisiblePointlights.Count > MyRender11Constants.MAX_POINT_LIGHTS)
{
VisiblePointlights.RemoveAtFast(VisiblePointlights.Count - 1);
}
}
var activePointlights = 0;
foreach (var light in VisiblePointlights)
{
MyLights.WritePointlightConstants(light, ref m_pointlightsCullBuffer[activePointlights]);
activePointlights++;
Debug.Assert(activePointlights <= MyRender11Constants.MAX_POINT_LIGHTS);
}
for (int lightIndex = activePointlights; lightIndex < MyRender11Constants.MAX_POINT_LIGHTS; ++lightIndex)
{
MyLights.WritePointlightConstants(LightId.NULL, ref m_pointlightsCullBuffer[lightIndex]);
}
var mapping = MyMapping.MapDiscard(MyCommon.GetObjectCB(16));
mapping.WriteAndPosition(ref activePointlights);
mapping.Unmap();
mapping = MyMapping.MapDiscard(m_pointlightCullHwBuffer);
mapping.WriteAndPosition(m_pointlightsCullBuffer, MyRender11Constants.MAX_POINT_LIGHTS);
mapping.Unmap();
if (!MyStereoRender.Enable)
{
RC.ComputeShader.SetConstantBuffer(MyCommon.FRAME_SLOT, MyCommon.FrameConstants);
}
else
{
MyStereoRender.CSBindRawCB_FrameConstants(RC);
}
RC.ComputeShader.SetConstantBuffer(1, MyCommon.GetObjectCB(16));
RC.ComputeShader.SetUav(0, m_tileIndices);
RC.ComputeShader.SetSrvs(0, MyGBuffer.Main);
RC.ComputeShader.SetSrv(MyCommon.POINTLIGHT_SLOT, m_pointlightCullHwBuffer);
RC.ComputeShader.Set(m_preparePointLights);
Vector2I tiles = new Vector2I(m_tilesX, m_tilesY);
if (MyStereoRender.Enable && MyStereoRender.RenderRegion != MyStereoRegion.FULLSCREEN)
{
tiles.X /= 2;
}
RC.Dispatch(tiles.X, tiles.Y, 1);
RC.ComputeShader.Set(null);
RC.ComputeShader.SetUav(0, null);
RC.ComputeShader.ResetSrvs(0, MyGBufferSrvFilter.ALL);
}
internal static void Render(ISrvTexture postProcessedShadows, IRtvTexture ambientOcclusion)
{
ProfilerShort.Begin("PreparePointLights");
MyGpuProfiler.IC_BeginBlock("Map lights to tiles");
if (MyRender11.DebugOverrides.PointLights)
{
PreparePointLights();
}
MyGpuProfiler.IC_BeginNextBlock("Apply point lights");
ProfilerShort.End();
ProfilerShort.Begin("RenderPointlightsTiled");
RC.SetPrimitiveTopology(PrimitiveTopology.TriangleList);
if (!MyStereoRender.Enable)
{
RC.ComputeShader.SetConstantBuffer(MyCommon.FRAME_SLOT, MyCommon.FrameConstants);
RC.PixelShader.SetConstantBuffer(MyCommon.FRAME_SLOT, MyCommon.FrameConstants);
}
else
{
MyStereoRender.CSBindRawCB_FrameConstants(RC);
MyStereoRender.PSBindRawCB_FrameConstants(RC);
}
RC.PixelShader.SetSrvs(0, MyGBuffer.Main);
RC.AllShaderStages.SetSrv(MyCommon.MATERIAL_BUFFER_SLOT, MySceneMaterials.m_buffer);
RC.SetBlendState(MyBlendStateManager.BlendAdditive);
RC.SetDepthStencilState(!MyStereoRender.Enable ? MyDepthStencilStateManager.IgnoreDepthStencil : MyDepthStencilStateManager.StereoIgnoreDepthStencil);
RC.PixelShader.SetSamplers(0, MySamplerStateManager.StandardSamplers);
if (MyRender11.DebugOverrides.PointLights)
{
RenderPointlightsTiled(ambientOcclusion);
}
ProfilerShort.End();
ProfilerShort.Begin("RenderSpotlights");
MyGpuProfiler.IC_BeginNextBlock("Apply spotlights");
if (MyRender11.DebugOverrides.SpotLights)
{
RenderSpotlights();
}
ProfilerShort.End();
ProfilerShort.Begin("RenderDirectionalEnvironmentLight");
MyGpuProfiler.IC_BeginNextBlock("Apply directional light");
if (MyRender11.DebugOverrides.EnvLight)
{
RenderDirectionalEnvironmentLight(postProcessedShadows, ambientOcclusion);
}
MyGpuProfiler.IC_EndBlock();
ProfilerShort.End();
// Because of BindGBufferForRead:
RC.AllShaderStages.SetSrv(0, null);
RC.AllShaderStages.SetSrv(1, null);
RC.AllShaderStages.SetSrv(2, null);
RC.AllShaderStages.SetSrv(3, null);
RC.AllShaderStages.SetSrv(4, null);
RC.SetBlendState(null);
RC.SetRtv(null);
}