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GBA Video: Fix #2489 in OpenGL renderer

This commit is contained in:
Vicki Pfau 2022-12-18 17:01:01 -08:00
parent 1a4dc70731
commit 3d723d5cf4
1 changed files with 6 additions and 4 deletions
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10
src/gba/renderers/gl.c
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@ -664,10 +664,12 @@ static const char* const _finalize =
" if (((topFlags.y & 13) == 5 || topFlags.w > 0) && (bottomFlags.y & 2) == 2) {\n"
" topPixel.rgb *= float(topFlags.z) / 16.;\n"
" topPixel.rgb += bottomPixel.rgb * float(windowFlags.y) / 16.;\n"
" } else if ((topFlags.y & 13) == 9) {\n"
" topPixel.rgb += (1. - topPixel.rgb) * float(windowFlags.z) / 16.;\n"
" } else if ((topFlags.y & 13) == 13) {\n"
" topPixel.rgb -= topPixel.rgb * float(windowFlags.z) / 16.;\n"
" } else if (topFlags.w == 0) { \n"
" if ((topFlags.y & 13) == 9) {\n"
" topPixel.rgb += (1. - topPixel.rgb) * float(windowFlags.z) / 16.;\n"
" } else if ((topFlags.y & 13) == 13) {\n"
" topPixel.rgb -= topPixel.rgb * float(windowFlags.z) / 16.;\n"
" }\n"
" }\n"
" color = topPixel;\n"
"}";