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Move material multiplication out of inner light loop

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This commit is contained in:
Magnus Norddahl 2017-01-03 21:16:21 +01:00
commit dba81db198
3 changed files with 24 additions and 24 deletions
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6
tools/drawergen/fixedfunction/drawwallcodegen.cpp
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@ -169,7 +169,7 @@ SSAVec4i DrawWallCodegen::Shade(SSAVec4i fg, bool isSimpleShade)
else
c = shade_bgra_advanced(fg, light, shade_constants);
stack_lit_color.store(c);
stack_lit_color.store(SSAVec4i(0));
stack_light_index.store(SSAInt(0));
SSAForBlock block;
@ -201,14 +201,14 @@ SSAVec4i DrawWallCodegen::Shade(SSAVec4i fg, bool isSimpleShade)
SSAFloat point_attenuation = light_y * rcp_dist * distance_attenuation;
SSAInt attenuation = SSAInt((light_y == SSAFloat(0.0f)).select(simple_attenuation, point_attenuation), true);
SSAVec4i contribution = (light_color * fg * attenuation) >> 16;
SSAVec4i contribution = (light_color * attenuation) >> 8;
stack_lit_color.store(lit_color + contribution);
stack_light_index.store(light_index + 1);
}
block.end_block();
return stack_lit_color.load();
return c + ((stack_lit_color.load() * fg) >> 8);
}
SSAVec4i DrawWallCodegen::Blend(SSAVec4i fg, SSAVec4i bg, DrawWallVariant variant)