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Terminal: Redraw entire line if any of its characters are dirty.

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This means we only have to do one fill_rect() per line and the whole process
ends up being ~10% faster than before.

Also added a read_tsc() syscall to give userspace access to the TSC.
This commit is contained in:
Andreas Kling 2019-01-25 02:09:29 +01:00
parent 11b73c38d8
commit 267a903dd0
9 changed files with 108 additions and 35 deletions
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5
SharedGraphics/Color.h
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@ -4,6 +4,11 @@
typedef dword RGBA32;
inline constexpr dword make_rgb(byte r, byte g, byte b)
{
return ((r << 16) | (g << 8) | b);
}
class Color {
public:
enum NamedColor {