/* Settings for the Skia library. We compile the Skia library with these settings and also LO code uses this header to ensure the settings are the same. */ #ifndef CONFIG_SKIA_H #define CONFIG_SKIA_H // This is a setting that should be set manually and it affects LO // code rather than Skia itself. It basically controls setting // BackendCapabilities::mbSupportsBitmap32, i.e. whether one LO bitmap // contains all the 32bits of an image including the alpha (premultiplied). // // Since Skia does not natively support 24bpp, the preferred setup is // that the setting should be enabled, it makes the code faster and cleaner. // // Unfortunately VCL historically splits alpha into a whole separate // bitmap and works with 24bpp+8bpp, which is generally more complicated, // more error-prone and just worse, but that's how LO code has been // written and so there are many places in LO that expect this and // do not work correctly with true 32bpp bitmaps. // // So ultimately the 24+8 split should be dumped (preferably in all of LO, // not just the Skia-related code), but until all of LO works correctly // with 32bpp keep this disabled in order to avoid such breakages. //#define SKIA_USE_BITMAP32 1 #define SKIA_USE_BITMAP32 0 #define SK_SUPPORT_GPU 1 #define SK_VULKAN 1 // Memory allocator for Vulkan. #define SK_USE_VMA 1 // Set by Skia's BUILD.gn. #define GR_OP_ALLOCATE_USE_NEW #define SK_CODEC_DECODES_PNG 1 #define SK_ENCODE_PNG 1 // These are just to avoid warnings (some headers use them even with GL disabled). #define SK_ASSUME_GL 1 #define SK_ASSUME_GL_ES 0 // See https://codereview.chromium.org/2089583002 . This makes raster drawing // faster in some cases, it was made conditional because of some tests failing, // but if I'm reading the review correctly the code is in fact fine and just // those tests needed updating, which presumably has never happened. #define SK_DRAWBITMAPRECT_FAST_OFFSET 1 // Default to BGRA. Skia already defaults to that on Windows, and it seems // the default X11 visual is actually also BGRA. #define SK_R32_SHIFT 16 // Enable Skia's internal checks depending on DBG_UTIL mode. ENABLE_SKIA_DEBUG // controls whether to build with or without optimizations (set in Makefile). #ifdef DBG_UTIL #define SK_DEBUG #define SK_ENABLE_DUMP_GPU #else #define SK_RELEASE #endif // DBG_UTIL // TODO ? //#define SK_R32_SHIFT 16 #endif 21'>distro/collabora/co-2021 LibreOffice 核心代码仓库文档基金会
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2021-04-19Updated README.md filesHossein