diff options
| -rw-r--r-- | engines/sword25/gfx/opengl/glimage.cpp | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/engines/sword25/gfx/opengl/glimage.cpp b/engines/sword25/gfx/opengl/glimage.cpp index 7a54c0b548..961215b4d4 100644 --- a/engines/sword25/gfx/opengl/glimage.cpp +++ b/engines/sword25/gfx/opengl/glimage.cpp @@ -229,13 +229,13 @@ bool GLImage::Blit(int PosX, int PosY, int Flipping, Common::Rect *pPartRect, un *out++ = a; break; default: // alpha blending - *out = (byte)(((b - *out) * a + *out) >> 8); + *out += (byte)(((b - *out) * a) >> 8); out++; - *out = (byte)(((g - *out) * a + *out) >> 8); + *out += (byte)(((g - *out) * a) >> 8); out++; - *out = (byte)(((r - *out) * a + *out) >> 8); + *out += (byte)(((r - *out) * a) >> 8); out++; - *out = a; + *out = 255; out++; } } |