Add: A 32 bpp blitter that uses the animation buffer from the video backend to speed up palette animation.

1 files changed, 22 insertions, 0 deletions

diff --git a/src/blitter/32bpp_base.hpp b/src/blitter/32bpp_base.hpp
index f09719450..9d80ec2ce 100644
--- a/src/blitter/32bpp_base.hpp
+++ b/src/blitter/32bpp_base.hpp
@@ -125,6 +125,18 @@ public:
 	}
 
 	/**
+	 * Make a colour dark grey, for specialized 32bpp remapping.
+	 * @param colour the colour to make dark.
+	 * @return the new colour, now darker.
+	 */
+	static inline Colour MakeDark(Colour colour)
+	{
+		uint8 d = MakeDark(colour.r, colour.g, colour.b);
+
+		return Colour(d, d, d);
+	}
+
+	/**
 	 * Make a colour grey - based.
 	 * @param colour the colour to make grey.
 	 * @return the new colour, now grey.
@@ -154,6 +166,16 @@ public:
 
 		return ReallyAdjustBrightness(colour, brightness);
 	}
+
+	static inline uint8 GetColourBrightness(Colour colour)
+	{
+		uint8 rgb_max = std::max(colour.r, std::max(colour.g, colour.b));
+
+		/* Black pixel (8bpp or old 32bpp image), so use default value */
+		if (rgb_max == 0) rgb_max = DEFAULT_BRIGHTNESS;
+
+		return rgb_max;
+	}
 };
 
 #endif /* BLITTER_32BPP_BASE_HPP */