void LightingParser_ResolveGBuffer(
Metal::DeviceContext& context, LightingParserContext& parserContext,
MainTargetsBox& mainTargets, LightingResolveTextureBox& lightingResTargets)
{
Metal::GPUProfiler::DebugAnnotation anno(context, L"ResolveGBuffer");
const bool doSampleFrequencyOptimisation = Tweakable("SampleFrequencyOptimisation", true);
LightingResolveContext lightingResolveContext(mainTargets);
const unsigned samplingCount = lightingResolveContext.GetSamplingCount();
const bool useMsaaSamplers = lightingResolveContext.UseMsaaSamplers();
auto& resolveRes = Techniques::FindCachedBoxDep2<LightingResolveResources>(samplingCount);
//
// Our inputs is the prepared gbuffer
// -- we resolve the lighting and write out a "lighting resolve texture"
//
if (doSampleFrequencyOptimisation && samplingCount>1) {
context.Bind(resolveRes._alwaysWriteToStencil, 0xff);
// todo -- instead of clearing the stencil every time, how
// about doing a progressive walk through all of the bits!
context.ClearStencil(mainTargets._secondaryDepthBuffer, 0);
context.Bind(ResourceList<Metal::RenderTargetView, 0>(), &mainTargets._secondaryDepthBuffer);
context.BindPS(MakeResourceList(mainTargets._msaaDepthBufferSRV, mainTargets._gbufferRTVsSRV[1]));
SetupVertexGeneratorShader(context);
CATCH_ASSETS_BEGIN
context.Bind(*resolveRes._perSampleMask);
context.Draw(4);
CATCH_ASSETS_END(parserContext)
}
static void AmbientOcclusion_DrawDebugging(
Metal::DeviceContext& context, AmbientOcclusionResources& resources)
{
SetupVertexGeneratorShader(context);
context.BindPS(MakeResourceList(resources._aoSRV));
context.Bind(::Assets::GetAssetDep<Metal::ShaderProgram>(
"game/xleres/basic2D.vsh:fullscreen:vs_*", "game/xleres/postprocess/debugging.psh:AODebugging:ps_*"));
context.Draw(4);
}
unsigned LightingParser_BindLightResolveResources(
Metal::DeviceContext& context,
LightingParserContext& parserContext)
{
// bind resources and constants that are required for lighting resolve operations
// these are needed in both deferred and forward shading modes... But they are
// bound at different times in different modes
CATCH_ASSETS_BEGIN
unsigned skyTextureProjection = SkyTextureParts(parserContext.GetSceneParser()->GetGlobalLightingDesc()).BindPS(context, 11);
context.BindPS(MakeResourceList(10, ::Assets::GetAssetDep<RenderCore::Assets::DeferredShaderResource>("game/xleres/DefaultResources/balanced_noise.dds:LT").GetShaderResource()));
context.BindPS(MakeResourceList(16, ::Assets::GetAssetDep<RenderCore::Assets::DeferredShaderResource>("game/xleres/DefaultResources/GGXTable.dds:LT").GetShaderResource()));
context.BindPS(MakeResourceList(9, Metal::ConstantBuffer(&GlobalMaterialOverride, sizeof(GlobalMaterialOverride))));
return skyTextureProjection;
CATCH_ASSETS_END(parserContext)
return 0;
}