renun/koreader
1
0
Fork 0
mirror of https://github.com/koreader/koreader.git synced 2025-08-10 00:52:38 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Faster blitting @ BB8/BBRGB32 when no processing is needed (#4847)

Browse Source 
* Pickup the eponymous blitting performance tweaks from koreader/koreader-base#878
* Cleanup BitOpts usage (require & cache)
* Unify oddness checks (MOD -> AND)
* Enforce the native Portrait orientation on Kobo (except @ 16bpp, i.e., KSM w/ 8bpp swap disabled), to allow for faster blitting when unrotted.
* Switch CRe BB to 32BPP on color screens
* Minor cleanups
This commit is contained in:
NiLuJe
2019-03-27 22:50:44 +01:00
committed by GitHub
parent fe3fc78171
commit 7210fb478d
12 changed files with 64 additions and 51 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
frontend/document/credocument.lua
View File

@@ -359,18 +359,20 @@ function CreDocument:drawCurrentView(target, x, y, rect, pos)
end
if not self.buffer then
-- Note about color rendering:
-- If we use TYPE_BBRGB32 (and LVColorDrawBuf drawBuf(..., 32) in cre.cpp),
-- we get inverted Red and Blue in the blitbuffer (could be that
-- crengine/src/lvdrawbuf.cpp treats our 32bits not as RGBA).
-- But it is all fine if we use TYPE_BBRGB16.
self.buffer = Blitbuffer.new(rect.w, rect.h, self.render_color and Blitbuffer.TYPE_BBRGB16 or nil)
-- We use TYPE_BBRGB32 (and LVColorDrawBuf drawBuf(..., 32) in cre.cpp),
-- to match the screen's BB type, allowing us to take shortcuts when blitting.
self.buffer = Blitbuffer.new(rect.w, rect.h, self.render_color and Blitbuffer.TYPE_BBRGB32 or nil)
end
-- TODO: self.buffer could be re-used when no page/layout/highlights
-- change has been made, to avoid having crengine redraw the exact
-- same buffer.
-- And it could only change when some other methods from here are called
--local start_clock = os.clock()
self._drawn_images_count, self._drawn_images_surface_ratio = self._document:drawCurrentPage(self.buffer, self.render_color)
--print(string.format("CreDocument:drawCurrentView: Rendering took %9.3f ms", (os.clock() - start_clock) * 1000))
--start_clock = os.clock()
target:blitFrom(self.buffer, x, y, 0, 0, rect.w, rect.h)
--print(string.format("CreDocument:drawCurrentView: Blitting took %9.3f ms", (os.clock() - start_clock) * 1000))
end
function CreDocument:drawCurrentViewByPos(target, x, y, rect, pos)