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@ -222,8 +222,14 @@ static int openFrameBuffer(lua_State *L) {
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}
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if (fb->vinfo.bits_per_pixel == 8) {
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/* for 8bpp K4, PaperWhite, we create a shadow 4bpp blitbuffer. These
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* models use 16 scale 8bpp framebuffer, so we still cheat it as 4bpp
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/* for 8bpp K4, PaperWhite, we create a shadow 4bpp blitbuffer.
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* These models use 16 scale 8bpp framebuffer, so they are
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* actually fake 8bpp FB. Therefore, we still treat them as 4bpp
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*
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* For PaperWhite, the screen width is 758, but FB's line_length
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* is 768. So when doing the screen update, you still need to
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* fill 768 pixels per line, but the trailing 10 px for each
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* line is actually ignored by driver.
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* */
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fb->buf->pitch = fb->vinfo.xres / 2;
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