26cc731ade
This reverts commit b06663135f.
Still/Again fails to build.
See https://lists.freedesktop.org/archives/libreoffice/2022-June/089026.html
Change-Id: I195c1584256d1da5fee3bbd1d7291a6639428acf
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/135771
Tested-by: Jenkins
Tested-by: René Engelhard <rene@debian.org>
Reviewed-by: René Engelhard <rene@debian.org>
82 lines
2.5 KiB
C
82 lines
2.5 KiB
C
/*
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Settings for the Skia library. We compile the Skia library with these
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settings and also LO code uses this header to ensure the settings
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are the same.
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*/
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#ifndef CONFIG_SKIA_H
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#define CONFIG_SKIA_H
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// This is a setting that should be set manually and it affects LO
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// code rather than Skia itself. It basically controls setting
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// BackendCapabilities::mbSupportsBitmap32, i.e. whether one LO bitmap
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// contains all the 32bits of an image including the alpha (premultiplied).
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//
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// Since Skia does not natively support 24bpp, the preferred setup is
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// that the setting should be enabled, it makes the code faster and cleaner.
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//
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// Unfortunately VCL historically splits alpha into a whole separate
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// bitmap and works with 24bpp+8bpp, which is generally more complicated,
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// more error-prone and just worse, but that's how LO code has been
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// written and so there are many places in LO that expect this and
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// do not work correctly with true 32bpp bitmaps.
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//
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// So ultimately the 24+8 split should be dumped (preferably in all of LO,
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// not just the Skia-related code), but until all of LO works correctly
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// with 32bpp keep this disabled in order to avoid such breakages.
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//#define SKIA_USE_BITMAP32 1
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#define SKIA_USE_BITMAP32 0
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// GPU support (set by configure).
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#undef SK_SUPPORT_GPU
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// Vulkan support enabled (set by configure).
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#undef SK_VULKAN
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// Metal support enabled (set by configure).
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#undef SK_METAL
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// Memory allocator for Vulkan.
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#define SK_USE_VMA 1
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// Set by Skia's BUILD.gn.
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#define GR_OP_ALLOCATE_USE_NEW
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#define SK_CODEC_DECODES_PNG 1
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#define SK_ENCODE_PNG 1
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// These are just to avoid warnings (some headers use them even with GL disabled).
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#define SK_ASSUME_GL 1
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#define SK_ASSUME_GL_ES 0
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#define SK_ENABLE_SKSL 1
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// See https://codereview.chromium.org/2089583002 . This makes raster drawing
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// faster in some cases, it was made conditional because of some tests failing,
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// but if I'm reading the review correctly the code is in fact fine and just
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// those tests needed updating, which presumably has never happened.
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#define SK_DRAWBITMAPRECT_FAST_OFFSET 1
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// Default to BGRA. Skia already defaults to that on Windows, and it seems
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// the default X11 visual is actually also BGRA.
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#define SK_R32_SHIFT 16
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// Enable Skia's internal checks depending on DBG_UTIL mode. ENABLE_SKIA_DEBUG
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// controls whether to build with or without optimizations (set in Makefile).
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#ifdef DBG_UTIL
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#define SK_DEBUG
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#define SK_ENABLE_DUMP_GPU
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#else
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#define SK_RELEASE
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#endif // DBG_UTIL
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// TODO ?
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//#define SK_R32_SHIFT 16
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#endif
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