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Sprite cache: Allow caching only required subset of sprite zoom levels

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Enable for blitters based on 32bpp_optimized or SSE
This commit is contained in:
Jonathan G Rennison
2023-08-22 22:16:04 +01:00
parent 785216db73
commit 46f5fb9f25
28 changed files with 423 additions and 172 deletions
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15
src/spriteloader/spriteloader.hpp
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@@ -75,17 +75,30 @@ public:
* @param control_flags Control flags, see SpriteCacheCtrlFlags.
* @return Bit mask of the zoom levels successfully loaded or 0 if no sprite could be loaded.
*/
virtual uint8 LoadSprite(SpriteLoader::Sprite *sprite, SpriteFile &file, size_t file_pos, SpriteType sprite_type, bool load_32bpp, uint count, byte control_flags) = 0;
virtual uint8 LoadSprite(SpriteLoader::Sprite *sprite, SpriteFile &file, size_t file_pos, SpriteType sprite_type, bool load_32bpp, uint count, uint16 control_flags, uint8 zoom_levels) = 0;
virtual ~SpriteLoader() = default;
};
/** Interface for something that can encode a sprite. */
class SpriteEncoder {
bool supports_missing_zoom_levels = false;
protected:
inline void SetSupportsMissingZoomLevels(bool supported)
{
this->supports_missing_zoom_levels = supported;
}
public:
virtual ~SpriteEncoder() = default;
inline bool SupportsMissingZoomLevels() const
{
return this->supports_missing_zoom_levels;
}
/**
* Can the sprite encoder make use of RGBA sprites?
*/