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rsx: Round up 8-bit ROP output on NVIDIA cards

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- NV GPUs have a tendancy to be off by a very small margin, breaking rendering when greaterThan/lessThan checks are used.
- NOTE: Currently this setting is using the sRGB flag which indicates 8-bit output.
  Only one game is currently known to care about this behaviour so this is good enough for now.
This commit is contained in:
kd-11 2022-01-15 22:28:11 +03:00 • committed by kd-11
parent f923eaf09a
commit c38ca21a81
4 changed files with 25 additions and 8 deletions
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rpcs3/Emu/RSX/GL/GLFragmentProgram.cpp
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@ -214,6 +214,7 @@ void GLFragmentDecompilerThread::insertGlobalFunctions(std::stringstream &OS)
m_shader_props.low_precision_tests = ::gl::get_driver_caps().vendor_NVIDIA;
m_shader_props.disable_early_discard = !::gl::get_driver_caps().vendor_NVIDIA;
m_shader_props.supports_native_fp16 = device_props.has_native_half_support;
m_shader_props.srgb_output_rounding = ::gl::get_driver_caps().vendor_NVIDIA;
glsl::insert_glsl_legacy_function(OS, m_shader_props);
}