diff options
Diffstat (limited to 'src/blitter/32bpp_sse2.hpp')
| -rw-r--r-- | src/blitter/32bpp_sse2.hpp | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/blitter/32bpp_sse2.hpp b/src/blitter/32bpp_sse2.hpp index 3caf7ba76..43a5fc400 100644 --- a/src/blitter/32bpp_sse2.hpp +++ b/src/blitter/32bpp_sse2.hpp @@ -49,6 +49,18 @@ public: BT_NONE, ///< No specialisation for either case. }; + /** Helper for using specialised functions designed to prevent whenever it's possible things like: + * - IO (reading video buffer), + * - calculations (alpha blending), + * - heavy branching (remap lookups and animation buffer handling). + */ + enum SpriteFlags { + SF_NONE = 0, + SF_TRANSLUCENT = 1 << 1, ///< The sprite has at least 1 translucent pixel. + SF_NO_REMAP = 1 << 2, ///< The sprite has no remappable colour pixel. + SF_NO_ANIM = 1 << 3, ///< The sprite has no palette animated pixel. + }; + /** Data stored about a (single) sprite. */ struct SpriteInfo { uint32 sprite_offset; ///< The offset to the sprite data. @@ -57,6 +69,7 @@ public: uint16 sprite_width; ///< The width of the sprite. }; struct SpriteData { + SpriteFlags flags; SpriteInfo infos[ZOOM_LVL_COUNT]; byte data[]; ///< Data, all zoomlevels. }; @@ -64,6 +77,8 @@ public: Sprite *Encode(const SpriteLoader::Sprite *sprite, AllocatorProc *allocator); }; +DECLARE_ENUM_AS_BIT_SET(Blitter_32bppSSE_Base::SpriteFlags); + /** The SSE2 32 bpp blitter (without palette animation). */ class Blitter_32bppSSE2 : public Blitter_32bppSimple, public Blitter_32bppSSE_Base { public: |