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- Fixed problems with FillSub and FillRevSub drawers.

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This commit is contained in:
Rachael Alexanderson 2016-12-26 08:05:04 -05:00
parent 5d6d75385e
commit 80228562b3
1 changed files with 6 additions and 6 deletions
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12
src/r_draw_pal.cpp
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@ -1610,9 +1610,9 @@ namespace swrenderer
int src_g = ((_srccolor >> 0) & 0xff) * _srcalpha; int src_g = ((_srccolor >> 0) & 0xff) * _srcalpha;
int src_b = ((_srccolor >> 8) & 0xff) * _srcalpha; int src_b = ((_srccolor >> 8) & 0xff) * _srcalpha;
int bg = *dest; int bg = *dest;
int r = MAX((src_r * _srcalpha - palette[bg].r * _destalpha)>>18, 0); int r = MAX((-src_r + palette[bg].r * _destalpha)>>18, 0);
int g = MAX((src_g * _srcalpha - palette[bg].g * _destalpha)>>18, 0); int g = MAX((-src_g + palette[bg].g * _destalpha)>>18, 0);
int b = MAX((src_b * _srcalpha - palette[bg].b * _destalpha)>>18, 0); int b = MAX((-src_b + palette[bg].b * _destalpha)>>18, 0);
*dest = RGB256k.RGB[r][g][b]; *dest = RGB256k.RGB[r][g][b];
dest += pitch; dest += pitch;
@ -1667,9 +1667,9 @@ namespace swrenderer
int src_g = ((_srccolor >> 0) & 0xff) * _srcalpha; int src_g = ((_srccolor >> 0) & 0xff) * _srcalpha;
int src_b = ((_srccolor >> 8) & 0xff) * _srcalpha; int src_b = ((_srccolor >> 8) & 0xff) * _srcalpha;
int bg = *dest; int bg = *dest;
int r = MAX((src_r * _srcalpha - palette[bg].r * _destalpha)>>18, 0); int r = MAX((src_r - palette[bg].r * _destalpha)>>18, 0);
int g = MAX((src_g * _srcalpha - palette[bg].g * _destalpha)>>18, 0); int g = MAX((src_g - palette[bg].g * _destalpha)>>18, 0);
int b = MAX((src_b * _srcalpha - palette[bg].b * _destalpha)>>18, 0); int b = MAX((src_b - palette[bg].b * _destalpha)>>18, 0);
*dest = RGB256k.RGB[r][g][b]; *dest = RGB256k.RGB[r][g][b];
dest += pitch; dest += pitch;