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Optimize DDGI probes state data from R16G16B16A16_Float to R8G8B8A8_SNorm

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Wojciech Figat
2022-06-20 09:49:40 +02:00
parent 41a58f3f2c
commit 5239a2b410
5 changed files with 25 additions and 11 deletions
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Source/Engine/Renderer/GI/DynamicDiffuseGlobalIllumination.cpp
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@@ -373,7 +373,7 @@ bool DynamicDiffuseGlobalIlluminationPass::Render(RenderContext& renderContext,
#define INIT_TEXTURE(texture, format, width, height) desc.Format = format; desc.Width = width; desc.Height = height; ddgiData.texture = RenderTargetPool::Get(desc); if (!ddgiData.texture) return true; memUsage += ddgiData.texture->GetMemoryUsage()
desc.Flags = GPUTextureFlags::ShaderResource | GPUTextureFlags::UnorderedAccess;
INIT_TEXTURE(ProbesTrace, PixelFormat::R16G16B16A16_Float, probeRaysCount, Math::Min(probesCountCascade, DDGI_TRACE_RAYS_PROBES_COUNT_LIMIT));
INIT_TEXTURE(ProbesState, PixelFormat::R16G16B16A16_Float, probesCountTotalX, probesCountTotalY); // TODO: optimize to a RGBA32 (pos offset can be normalized to [0-0.5] range of ProbesSpacing and packed with state flag)
INIT_TEXTURE(ProbesState, PixelFormat::R8G8B8A8_SNorm, probesCountTotalX, probesCountTotalY);
INIT_TEXTURE(ProbesIrradiance, PixelFormat::R11G11B10_Float, probesCountTotalX * (DDGI_PROBE_RESOLUTION_IRRADIANCE + 2), probesCountTotalY * (DDGI_PROBE_RESOLUTION_IRRADIANCE + 2));
INIT_TEXTURE(ProbesDistance, PixelFormat::R16G16_Float, probesCountTotalX * (DDGI_PROBE_RESOLUTION_DISTANCE + 2), probesCountTotalY * (DDGI_PROBE_RESOLUTION_DISTANCE + 2));
#undef INIT_TEXTURE