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rsx: Implement Z value snapping to account for precision errors

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kd-11 2022-04-11 23:31:40 +03:00 committed by kd-11
parent b04bd5fa74
commit 2db68acab9
1 changed files with 3 additions and 1 deletions
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4
rpcs3/Emu/RSX/Program/GLSLCommon.cpp
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@ -634,7 +634,9 @@ namespace glsl
" const float real_f = max(far_plane, near_plane);\n"
" const double depth_range = double(real_f - real_n);\n"
" const double inv_range = (depth_range > 0.000001) ? (1.0 / (depth_range * pos.w)) : 0.0;\n"
" const double d = (double(pos.z) - double(real_n * pos.w)) * inv_range;\n"
" const double actual_d = (double(pos.z) - double(real_n * pos.w)) * inv_range;\n"
" const double nearest_d = floor(actual_d + 0.5);\n"
" const double d = _select(actual_d, nearest_d, abs(actual_d - nearest_d) < 0.000002);\n" // Epsilon value settled on empirically
" return vec4(pos.xy, float(d * pos.w), pos.w);\n"
" }\n"
" else\n"