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Gs-d3d11:fx: Adjust sw blend shader a bit. 

Use As and Cs in pabe code, makes more sense.

Get rid of Cv vector, use Color parameter for operations instead like on gl.
This commit is contained in:
lightningterror 2021-11-22 06:48:16 +01:00
parent e38d754e86
commit d20cb91d90
1 changed files with 6 additions and 9 deletions
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15
pcsx2/GS/res/tfx.fx
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@ -677,33 +677,30 @@ void ps_blend(inout float4 Color, float As, float2 pos_xy)
float3 Cd = RT.rgb;
float3 Cs = Color.rgb;
float3 Cv;
float3 A = (PS_BLEND_A == 0) ? Cs : ((PS_BLEND_A == 1) ? Cd : (float3)0.0f);
float3 B = (PS_BLEND_B == 0) ? Cs : ((PS_BLEND_B == 1) ? Cd : (float3)0.0f);
float3 C = (PS_BLEND_C == 0) ? As : ((PS_BLEND_C == 1) ? Ad : Af);
float3 D = (PS_BLEND_D == 0) ? Cs : ((PS_BLEND_D == 1) ? Cd : (float3)0.0f);
Cv = (PS_BLEND_A == PS_BLEND_B) ? D : trunc(((A - B) * C) + D);
Color.rgb = (PS_BLEND_A == PS_BLEND_B) ? D : trunc(((A - B) * C) + D);
// PABE
if (PS_PABE)
Cv = (Color.a >= 128.0f) ? Cv : Color.rgb;
Color.rgb = (As >= 1.0f) ? Color.rgb : Cs;
// Dithering
ps_dither(Cv, pos_xy);
ps_dither(Color.rgb, pos_xy);
// Standard Clamp
if (PS_COLCLIP == 0 && PS_HDR == 0)
Cv = clamp(Cv, (float3)0.0f, (float3)255.0f);
Color.rgb = clamp(Color.rgb, (float3)0.0f, (float3)255.0f);
// In 16 bits format, only 5 bits of color are used. It impacts shadows computation of Castlevania
if (PS_DFMT == FMT_16)
Cv = (float3)((int3)Cv & (int3)0xF8);
Color.rgb = (float3)((int3)Color.rgb & (int3)0xF8);
else if (PS_COLCLIP == 1 && PS_HDR == 0)
Cv = (float3)((int3)Cv & (int3)0xFF);
Color.rgb = Cv;
Color.rgb = (float3)((int3)Color.rgb & (int3)0xFF);
}
}