mirror of
https://github.com/Fennix-Project/Kernel.git
synced 2025-05-28 15:34:33 +00:00
397 lines
11 KiB
C++
397 lines
11 KiB
C++
/*
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This file is part of Fennix Kernel.
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Fennix Kernel is free software: you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation, either version 3 of
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the License, or (at your option) any later version.
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Fennix Kernel is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include <display.hpp>
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#include <lock.hpp>
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#include <uart.hpp>
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#include <debug.h>
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NewLock(PrintLock);
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namespace Video
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{
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Font *Display::GetCurrentFont() { return CurrentFont; }
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void Display::SetCurrentFont(Font *Font) { CurrentFont = Font; }
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uint16_t Display::GetBitsPerPixel() { return this->framebuffer.BitsPerPixel; }
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size_t Display::GetPitch() { return this->framebuffer.Pitch; }
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void Display::ClearBuffer()
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{
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memset(this->Buffer, 0, this->Size);
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// std::fill(this->DirtyMap.begin(), this->DirtyMap.end(), true);
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}
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__no_sanitize("undefined") void Display::SetPixel(uint32_t X,
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uint32_t Y,
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uint32_t Color)
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{
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if (unlikely(X >= this->Width))
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X = this->Width - 1;
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if (unlikely(Y >= this->Height))
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Y = this->Height - 1;
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uint32_t *Pixel = (uint32_t *)((uintptr_t)this->Buffer + (Y * this->Width + X) * (this->framebuffer.BitsPerPixel / 8));
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*Pixel = Color;
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// MarkRegionDirty(Y / RegionHeight, X / RegionWidth);
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}
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__no_sanitize("undefined") uint32_t Display::GetPixel(uint32_t X,
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uint32_t Y)
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{
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if (unlikely(X >= this->Width))
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X = this->Width - 1;
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if (unlikely(Y >= this->Height))
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Y = this->Height - 1;
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uint32_t *Pixel = (uint32_t *)((uintptr_t)this->Buffer + (Y * this->Width + X) * (this->framebuffer.BitsPerPixel / 8));
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return *Pixel;
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}
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__no_sanitize("undefined") void Display::DrawRectangle(uint32_t X,
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uint32_t Y,
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uint32_t Width,
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uint32_t Height,
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uint32_t Color)
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{
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for (uint32_t i = 0; i < Width; i++)
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{
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for (uint32_t j = 0; j < Height; j++)
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{
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uint32_t *Pixel =
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(uint32_t *)((uintptr_t)this->Buffer + ((Y + j) *
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this->Width +
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(X + i)) *
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(this->framebuffer.BitsPerPixel / 8));
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*Pixel = Color;
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}
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}
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}
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void Display::Scroll(int Lines)
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{
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if (this->DoNotScroll)
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return;
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if (Lines == 0)
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return;
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if (Lines > 0)
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{
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uint32_t LineSize = this->Width * (this->framebuffer.BitsPerPixel / 8);
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uint32_t BytesToMove = LineSize * Lines * this->CurrentFont->GetInfo().Height;
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size_t BytesToClear = this->Size - BytesToMove;
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memmove(this->Buffer, (uint8_t *)this->Buffer + BytesToMove, BytesToClear);
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memset((uint8_t *)this->Buffer + BytesToClear, 0, BytesToMove);
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// memset(this->DirtyMap.data(), true, this->DirtyMap.size());
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}
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}
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__no_sanitize("undefined") char Display::Print(char Char,
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Video::Font *_Font,
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bool WriteToUART,
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bool IgnoreSpecialChars)
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{
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// SmartLock(PrintLock);
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if (this->ColorIteration)
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{
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// RRGGBB
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if (Char >= '0' && Char <= '9')
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this->Color = (this->Color << 4) | (Char - '0');
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else if (Char >= 'a' && Char <= 'f')
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this->Color = (this->Color << 4) | (Char - 'a' + 10);
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else if (Char >= 'A' && Char <= 'F')
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this->Color = (this->Color << 4) | (Char - 'A' + 10);
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else
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this->Color = 0xFFFFFF;
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this->ColorPickerIteration++;
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if (this->ColorPickerIteration == 6)
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{
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this->ColorPickerIteration = 0;
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this->ColorIteration = false;
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}
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return Char;
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}
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if (WriteToUART && Char != '\e')
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UniversalAsynchronousReceiverTransmitter::UART(UniversalAsynchronousReceiverTransmitter::COM1).Write(Char);
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if (_Font == nullptr)
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_Font = this->DefaultFont;
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this->CurrentFont = _Font;
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uint32_t FontHeight;
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if (IgnoreSpecialChars)
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goto IgnoreSpecialChars;
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switch (Char)
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{
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case '\e':
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{
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this->ColorIteration = true;
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return Char;
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}
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case '\b':
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{
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switch (_Font->GetInfo().Type)
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{
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case FontType::PCScreenFont1:
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{
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fixme("PCScreenFont1");
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break;
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}
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case FontType::PCScreenFont2:
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{
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uint32_t fonthdrWidth = _Font->GetInfo().PSF2Font->Header->width;
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uint32_t fonthdrHeight = _Font->GetInfo().PSF2Font->Header->height;
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for (unsigned long Y = this->CursorY; Y < this->CursorY + fonthdrHeight; Y++)
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for (unsigned long X = this->CursorX - fonthdrWidth; X < this->CursorX; X++)
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*(uint32_t *)((uintptr_t)this->Buffer +
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(Y * this->Width + X) * (this->framebuffer.BitsPerPixel / 8)) = 0;
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// for (size_t i = 0; i < 9; ++i)
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// {
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// size_t row = (CursorY / RegionHeight) + (i / 3) - 1;
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// size_t col = (CursorX / RegionWidth) + (i % 3) - 1;
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// if (row < Height / RegionHeight && col < Width / RegionWidth)
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// MarkRegionDirty(row, col);
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// }
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break;
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}
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default:
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warn("Unsupported font type");
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break;
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}
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if (this->CursorX > 0)
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this->CursorX -= this->GetCurrentFont()->GetInfo().Width;
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return Char;
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}
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case '\t':
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{
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this->CursorX = (this->CursorX + 8) & ~(8 - 1);
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return Char;
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}
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case '\r':
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{
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this->CursorX = 0;
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return Char;
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}
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case '\n':
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{
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this->CursorX = 0;
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this->CursorY += this->GetCurrentFont()->GetInfo().Height;
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return Char;
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}
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default:
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break;
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}
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IgnoreSpecialChars:
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FontHeight = this->GetCurrentFont()->GetInfo().Height;
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if (this->CursorX + this->GetCurrentFont()->GetInfo().Width >= this->Width)
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{
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this->CursorX = 0;
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this->CursorY += FontHeight;
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}
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if (this->CursorY + FontHeight >= this->Height)
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{
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if (!this->DoNotScroll)
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{
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this->CursorY -= FontHeight;
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this->Scroll(1);
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}
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}
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switch (_Font->GetInfo().Type)
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{
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case FontType::PCScreenFont1:
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{
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uint32_t *PixelPtr = (uint32_t *)this->Buffer;
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char *FontPtr = (char *)_Font->GetInfo().PSF1Font->GlyphBuffer + (Char * _Font->GetInfo().PSF1Font->Header->charsize);
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for (uint64_t Y = this->CursorY; Y < this->CursorY + 16; Y++)
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{
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for (uint64_t X = this->CursorX; X < this->CursorX + 8; X++)
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if ((*FontPtr & (0b10000000 >> (X - this->CursorX))) > 0)
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*(unsigned int *)(PixelPtr + X + (Y * this->Width)) = this->Color;
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FontPtr++;
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}
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this->CursorX += 8;
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break;
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}
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case FontType::PCScreenFont2:
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{
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// if (_Font->PSF2Font->GlyphBuffer == (uint16_t *)0x01) // HAS UNICODE TABLE
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// Char = _Font->PSF2Font->GlyphBuffer[Char];
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FontInfo fInfo = _Font->GetInfo();
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int BytesPerLine = (fInfo.PSF2Font->Header->width + 7) / 8;
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char *FontAddress = (char *)fInfo.StartAddress;
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uint32_t FontHeaderSize = fInfo.PSF2Font->Header->headersize;
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uint32_t FontCharSize = fInfo.PSF2Font->Header->charsize;
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uint32_t FontLength = fInfo.PSF2Font->Header->length;
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char *FontPtr = FontAddress + FontHeaderSize + (Char > 0 && (uint32_t)Char < FontLength ? Char : 0) * FontCharSize;
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uint32_t FontHdrWidth = fInfo.PSF2Font->Header->width;
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uint32_t FontHdrHeight = fInfo.PSF2Font->Header->height;
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for (size_t Y = this->CursorY; Y < this->CursorY + FontHdrHeight; Y++)
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{
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for (size_t X = this->CursorX; X < this->CursorX + FontHdrWidth; X++)
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{
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if ((*FontPtr & (0b10000000 >> (X - this->CursorX))) > 0)
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{
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void *FramebufferAddress = (void *)((uintptr_t)this->Buffer +
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(Y * this->Width + X) *
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(this->framebuffer.BitsPerPixel / 8));
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*(uint32_t *)FramebufferAddress = this->Color;
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}
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}
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FontPtr += BytesPerLine;
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}
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this->CursorX += FontHdrWidth;
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break;
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}
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default:
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warn("Unsupported font type");
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break;
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}
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// // MarkRegionDirty(CursorY / RegionHeight, CursorX / RegionWidth);
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// for (size_t i = 0; i < 9; ++i)
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// {
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// size_t row = (CursorY / RegionHeight) + (i / 3) - 1;
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// size_t col = (CursorX / RegionWidth) + (i % 3) - 1;
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// if (row < Height / RegionHeight && col < Width / RegionWidth)
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// MarkRegionDirty(row, col);
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// }
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return Char;
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}
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void Display::PrintString(const char *String,
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Video::Font *Font,
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bool WriteToUART,
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bool IgnoreSpecialChars)
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{
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for (size_t i = 0; String[i] != '\0'; ++i)
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Print(String[i], Font, WriteToUART, IgnoreSpecialChars);
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}
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void Display::UpdateBuffer()
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{
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if (!DirectWrite)
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memcpy(this->framebuffer.BaseAddress, this->Buffer, this->Size);
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// for (size_t i = 0; i < DirtyMap.size(); ++i)
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// {
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// if (DirtyMap[i])
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// {
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// size_t rRow = i / (framebuffer.Width / RegionWidth);
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// size_t rCol = i % (framebuffer.Width / RegionWidth);
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// UpdateRegion(rRow, rCol);
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// DirtyMap[i] = false;
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// }
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// }
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}
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void Display::UpdateRegion(size_t RegionRow, size_t RegionColumn)
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{
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size_t startRow = RegionRow * RegionHeight;
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size_t endRow = startRow + RegionHeight;
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size_t startCol = RegionColumn * RegionWidth;
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size_t endCol = startCol + RegionWidth;
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uint8_t *framebufferPtr = (uint8_t *)framebuffer.BaseAddress;
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uint8_t *bufferPtr = (uint8_t *)Buffer;
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for (size_t row = startRow; row < endRow; ++row)
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{
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uint8_t *framebufferRowPtr = framebufferPtr + (row % framebuffer.Height) * framebuffer.Width * (framebuffer.BitsPerPixel / 8);
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uint8_t *bufferRowPtr = bufferPtr + row * framebuffer.Width * (framebuffer.BitsPerPixel / 8);
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for (size_t col = startCol; col < endCol; ++col)
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{
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uint8_t *framebufferPixelPtr = framebufferRowPtr + (col % framebuffer.Width) * (framebuffer.BitsPerPixel / 8);
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uint8_t *bufferPixelPtr = bufferRowPtr + col * (framebuffer.BitsPerPixel / 8);
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memcpy(framebufferPixelPtr, bufferPixelPtr, framebuffer.BitsPerPixel / 8);
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}
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}
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/*
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size_t startRow = RegionRow * RegionHeight;
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size_t endRow = startRow + RegionHeight;
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size_t startCol = RegionColumn * RegionWidth;
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size_t endCol = startCol + RegionWidth;
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for (size_t row = startRow; row < endRow; ++row)
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{
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for (size_t col = startCol; col < endCol; ++col)
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{
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size_t bufferIndex = row * framebuffer.Width + col;
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size_t framebufferIndex = (row % framebuffer.Height) * framebuffer.Width + (col % framebuffer.Width);
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memcpy((uint8_t *)framebuffer.BaseAddress + framebufferIndex * (framebuffer.BitsPerPixel / 8),
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(uint8_t *)Buffer + bufferIndex * (framebuffer.BitsPerPixel / 8),
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framebuffer.BitsPerPixel / 8);
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}
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}
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*/
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}
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void Display::MarkRegionDirty(size_t RegionRow, size_t RegionCol)
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{
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size_t index = RegionRow * (framebuffer.Width / RegionWidth) + RegionCol;
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DirtyMap[index] = true;
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}
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Display::Display(BootInfo::FramebufferInfo Info,
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bool LoadDefaultFont,
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bool _DirectWrite)
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: framebuffer(Info), DirectWrite(_DirectWrite)
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{
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Width = Info.Width;
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Height = Info.Height;
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Size = this->framebuffer.Pitch * Height;
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if (DirectWrite)
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Buffer = (void *)this->framebuffer.BaseAddress;
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else
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Buffer = KernelAllocator.RequestPages(TO_PAGES(Size));
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// DirtyMap.resize((Width / RegionWidth) * (Height / RegionHeight), false);
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if (!LoadDefaultFont)
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return;
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this->DefaultFont = new Font(&_binary_files_tamsyn_font_1_11_Tamsyn7x14r_psf_start, &_binary_files_tamsyn_font_1_11_Tamsyn7x14r_psf_end, FontType::PCScreenFont2);
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#ifdef DEBUG
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FontInfo fInfo = this->DefaultFont->GetInfo();
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debug("Font loaded: %dx%d %s",
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fInfo.Width, fInfo.Height,
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fInfo.Type == FontType::PCScreenFont1 ? "PSF1" : "PSF2");
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#endif
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}
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Display::~Display() {}
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}
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