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gl_rasterizer: use texture buffer for fog LUT

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wwylele
2017-06-22 17:22:45 +03:00
parent f1e377f57e
commit 8978ecb09c
7 changed files with 32 additions and 29 deletions
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3
src/video_core/swrasterizer/rasterizer.cpp
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@ -584,8 +584,7 @@ static void ProcessTriangleInternal(const Vertex& v0, const Vertex& v1, const Ve
float fog_i = MathUtil::Clamp(floorf(fog_index), 0.0f, 127.0f);
float fog_f = fog_index - fog_i;
const auto& fog_lut_entry = g_state.fog.lut[static_cast<unsigned int>(fog_i)];
float fog_factor = (fog_lut_entry.value + fog_lut_entry.difference * fog_f) /
2047.0f; // This is signed fixed point 1.11
float fog_factor = fog_lut_entry.ToFloat() + fog_lut_entry.DiffToFloat() * fog_f;
fog_factor = MathUtil::Clamp(fog_factor, 0.0f, 1.0f);
// Blend the fog