From eb2c2ef877e3f0de0960c9ebc1480af80c45dfaf Mon Sep 17 00:00:00 2001 From: rubidium Date: Mon, 13 Jan 2014 18:17:17 +0000 Subject: (svn r26259) -Codechange: add and maintain some general flags about sprites to prevent unneeded execution of expensive code (MJP) --- src/blitter/32bpp_sse2.cpp | 17 ++++++++++++++++- 1 file changed, 16 insertions(+), 1 deletion(-) (limited to 'src/blitter/32bpp_sse2.cpp') diff --git a/src/blitter/32bpp_sse2.cpp b/src/blitter/32bpp_sse2.cpp index 2f1dc3828..40b3620a2 100644 --- a/src/blitter/32bpp_sse2.cpp +++ b/src/blitter/32bpp_sse2.cpp @@ -57,7 +57,10 @@ Sprite *Blitter_32bppSSE_Base::Encode(const SpriteLoader::Sprite *sprite, Alloca dst_sprite->y_offs = sprite->y_offs; memcpy(dst_sprite->data, &sd, sizeof(SpriteData)); - /* Copy colours. */ + /* Copy colours and determine flags. */ + bool has_remap = false; + bool has_anim = false; + bool has_translucency = false; for (ZoomLevel z = zoom_min; z <= zoom_max; z++) { const SpriteLoader::Sprite *src_sprite = &sprite[z]; const SpriteLoader::CommonPixel *src = (const SpriteLoader::CommonPixel *) src_sprite->data; @@ -68,8 +71,13 @@ Sprite *Blitter_32bppSSE_Base::Encode(const SpriteLoader::Sprite *sprite, Alloca for (uint x = src_sprite->width; x != 0; x--) { if (src->a != 0) { dst_rgba->a = src->a; + if (src->a != 0 && src->a != 255) has_translucency = true; dst_mv->m = src->m; if (src->m != 0) { + /* Do some accounting for flags. */ + has_remap = true; + if (src->m >= PALETTE_ANIM_START) has_anim = true; + /* Get brightest value (or default brightness if it's a black pixel). */ const uint8 rgb_max = max(src->r, max(src->g, src->b)); dst_mv->v = (rgb_max == 0) ? Blitter_32bppBase::DEFAULT_BRIGHTNESS : rgb_max; @@ -119,6 +127,13 @@ Sprite *Blitter_32bppSSE_Base::Encode(const SpriteLoader::Sprite *sprite, Alloca } } + /* Store sprite flags. */ + sd.flags = SF_NONE; + if (has_translucency) sd.flags |= SF_TRANSLUCENT; + if (!has_remap) sd.flags |= SF_NO_REMAP; + if (!has_anim) sd.flags |= SF_NO_ANIM; + memcpy(dst_sprite->data, &sd, sizeof(SpriteData)); + return dst_sprite; } -- cgit v1.2.3-54-g00ecf