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Support triangle fans in PS5 geometry shaders

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Keep the fan center across subgroups and reuse the existing index fetch.
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nmzik
2026-09-16 08:42:47 +04:00
parent 957452d6f9
commit 7c9148dd47
4 changed files with 47 additions and 16 deletions
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src/graphics/shader/shader.cpp
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@@ -797,6 +797,7 @@ ShaderParams PrepareProgram(const HW::VertexShaderInfo& regs, const HW::Context&
const auto& group = user_config.GetGeControl();
if ((user_config.GetPrimType() != Prospero::PrimitiveType::kPointList &&
user_config.GetPrimType() != Prospero::PrimitiveType::kLineList &&
user_config.GetPrimType() != Prospero::PrimitiveType::kTriFan &&
user_config.GetPrimType() != Prospero::PrimitiveType::kTriStrip &&
user_config.GetPrimType() != Prospero::PrimitiveType::kTriList) ||
sh.m_vgtGsOutPrimType != 2u || sh.m_vgtGsMaxVertOut < 3u ||