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Change shaded blend mode use srcalpha and destalpha.

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Fix blending error in add/sub/revsub
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Magnus Norddahl 2016-11-21 03:49:55 +01:00
commit 2ba2dc7611
6 changed files with 68 additions and 69 deletions
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src/r_compiler/fixedfunction/drawercodegen.h
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@ -85,6 +85,7 @@ public:
SSAVec4i blend_sub(SSAVec4i fg, SSAVec4i bg, SSAInt srcalpha, SSAInt destalpha);
SSAVec4i blend_revsub(SSAVec4i fg, SSAVec4i bg, SSAInt srcalpha, SSAInt destalpha);
SSAVec4i blend_alpha_blend(SSAVec4i fg, SSAVec4i bg);
SSAVec4i blend_stencil(SSAVec4i color, SSAInt fgalpha, SSAVec4i bg, SSAInt srcalpha, SSAInt destalpha);
// Calculates the final alpha values to be used when combined with the source texture alpha channel
SSAInt calc_blend_bgalpha(SSAVec4i fg, SSAInt destalpha);