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wasp: simulator: Optimize the drawing process

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This makes per-pixel access more than double the performnace of a regular
pixelview (but at the expense of requiring numpy).
This commit is contained in:
Daniel Thompson 2020-04-06 21:47:30 +01:00
parent a1a8f3f8a3
commit 59bb70fa64
1 changed files with 9 additions and 5 deletions
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14
wasp/boards/simulator/display.py
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@ -41,7 +41,8 @@ class ST7789Sim(object):
self.y = self.rowclip[0] self.y = self.rowclip[0]
elif self.cmd == RAMWR: elif self.cmd == RAMWR:
pixelview = sdl2.ext.PixelView(windowsurface) #pixelview = sdl2.ext.PixelView(windowsurface)
pixelview = sdl2.ext.pixels2d(windowsurface)
half = False half = False
for d in data: for d in data:
@ -52,11 +53,14 @@ class ST7789Sim(object):
rgb |= d rgb |= d
half = False half = False
pixel = ((rgb & 0xf800) >> 8, #pixel = ((rgb & 0xf800) >> 8,
(rgb & 0x07e0) >> 3, # (rgb & 0x07e0) >> 3,
(rgb & 0x001f) << 3) # (rgb & 0x001f) << 3)
pixel = (((rgb & 0xf800) << 8) +
((rgb & 0x07e0) << 5) +
((rgb & 0x001f) << 3))
pixelview[self.y][self.x] = pixel pixelview[self.x][self.y] = pixel
self.x += 1 self.x += 1
if self.x > self.colclip[1]: if self.x > self.colclip[1]: