mirror of
https://github.com/Fennix-Project/Kernel.git
synced 2025-07-11 07:19:20 +00:00
Update display buffer handling
This commit is contained in:
@ -85,179 +85,28 @@ namespace Video
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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::CreateBuffer(uint32_t Width, uint32_t Height, int Index)
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void Display::ClearBuffer()
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{
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if (Width == 0 || Height == 0)
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{
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Width = this->framebuffer.Width;
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Height = this->framebuffer.Height;
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debug("Buffer %d created with default size (%d, %d)", Index, Width, Height);
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}
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if (this->Buffers[Index].Checksum == 0xBBFFE515A117E)
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{
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warn("Buffer %d already exists, skipping creation", Index);
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return;
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}
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size_t Size = this->framebuffer.Pitch * Height;
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this->Buffers[Index].Buffer = KernelAllocator.RequestPages(TO_PAGES(Size + 1));
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memset(this->Buffers[Index].Buffer, 0, Size);
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this->Buffers[Index].Width = Width;
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this->Buffers[Index].Height = Height;
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this->Buffers[Index].Size = Size;
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this->Buffers[Index].Color = 0xFFFFFF;
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this->Buffers[Index].CursorX = 0;
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this->Buffers[Index].CursorY = 0;
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this->Buffers[Index].Brightness = 100;
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this->Buffers[Index].Checksum = 0xBBFFE515A117E;
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debug("Buffer %d created", Index);
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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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void Display::SetBuffer(int Index)
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__no_sanitize("undefined") void Display::SetPixel(uint32_t X, uint32_t Y, uint32_t Color)
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{
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if (unlikely(this->Buffers[Index].Checksum != 0xBBFFE515A117E))
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{
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debug("Invalid buffer %d", Index);
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return;
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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 (this->Buffers[Index].Brightness != 100)
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this->SetBrightness(this->Buffers[Index].Brightness, Index);
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if (unlikely(Y >= this->Height))
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Y = this->Height - 1;
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if (this->Buffers[Index].Brightness == 0) /* Just clear the buffer */
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memset(this->Buffers[Index].Buffer, 0, this->Buffers[Index].Size);
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memcpy(this->framebuffer.BaseAddress, this->Buffers[Index].Buffer, this->Buffers[Index].Size);
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}
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ScreenBuffer *Display::GetBuffer(int Index) { return &this->Buffers[Index]; }
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void Display::ClearBuffer(int Index)
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{
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if (unlikely(this->Buffers[Index].Checksum != 0xBBFFE515A117E))
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{
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debug("Invalid buffer %d", Index);
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return;
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}
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memset(this->Buffers[Index].Buffer, 0, this->Buffers[Index].Size);
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}
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void Display::DeleteBuffer(int Index)
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{
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if (unlikely(this->Buffers[Index].Checksum != 0xBBFFE515A117E))
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{
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debug("Invalid buffer %d", Index);
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return;
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}
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KernelAllocator.FreePages(this->Buffers[Index].Buffer, TO_PAGES(this->Buffers[Index].Size + 1));
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this->Buffers[Index].Buffer = nullptr;
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this->Buffers[Index].Checksum = 0;
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debug("Buffer %d deleted", Index);
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}
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void Display::SetBrightness(int Value, int Index)
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{
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if (unlikely(this->Buffers[Index].Checksum != 0xBBFFE515A117E))
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{
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debug("Invalid buffer %d", Index);
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return;
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}
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if (Value > 100)
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Value = 100;
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else if (Value < 0)
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Value = 0;
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uint32_t *pixel = (uint32_t *)this->Buffers[Index].Buffer;
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for (uint32_t y = 0; y < this->Buffers[Index].Height; y++)
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{
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for (uint32_t x = 0; x < this->Buffers[Index].Width; x++)
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{
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uint32_t color = pixel[y * this->Buffers[Index].Width + x];
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uint8_t r = color & 0xff;
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uint8_t g = (color >> 8) & 0xff;
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uint8_t b = (color >> 16) & 0xff;
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r = s_cst(uint8_t, (r * Value) / 100);
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g = s_cst(uint8_t, (g * Value) / 100);
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b = s_cst(uint8_t, (b * Value) / 100);
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pixel[y * this->Buffers[Index].Width + x] = (b << 16) | (g << 8) | r;
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}
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}
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this->Buffers[Index].Brightness = s_cst(char, Value);
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}
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void Display::SetBufferCursor(int Index, uint32_t X, uint32_t Y)
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{
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if (unlikely(this->Buffers[Index].Checksum != 0xBBFFE515A117E))
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{
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debug("Invalid buffer %d", Index);
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return;
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}
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this->Buffers[Index].CursorX = X;
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this->Buffers[Index].CursorY = Y;
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}
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void Display::GetBufferCursor(int Index, uint32_t *X, uint32_t *Y)
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{
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if (unlikely(this->Buffers[Index].Checksum != 0xBBFFE515A117E))
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{
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debug("Invalid buffer %d", Index);
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return;
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}
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*X = this->Buffers[Index].CursorX;
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*Y = this->Buffers[Index].CursorY;
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}
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__no_sanitize("undefined") void Display::SetPixel(uint32_t X, uint32_t Y, uint32_t Color, int Index)
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{
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if (unlikely(this->Buffers[Index].Checksum != 0xBBFFE515A117E))
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{
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debug("Invalid buffer %d", Index);
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return;
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}
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if (unlikely(X >= this->Buffers[Index].Width))
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X = this->Buffers[Index].Width - 1;
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if (unlikely(Y >= this->Buffers[Index].Height))
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Y = this->Buffers[Index].Height - 1;
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uint32_t *Pixel = (uint32_t *)((uintptr_t)this->Buffers[Index].Buffer + (Y * this->Buffers[Index].Width + X) * (this->framebuffer.BitsPerPixel / 8));
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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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uint32_t Display::GetPixel(uint32_t X, uint32_t Y, int Index)
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void Display::Scroll(int Lines)
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{
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if (unlikely(this->Buffers[Index].Checksum != 0xBBFFE515A117E))
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return 0;
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if (unlikely(X >= this->Buffers[Index].Width || Y >= this->Buffers[Index].Height))
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return 0;
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uint32_t *Pixel = (uint32_t *)((uintptr_t)this->Buffers[Index].Buffer + (Y * this->Buffers[Index].Width + X) * (this->framebuffer.BitsPerPixel / 8));
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return *Pixel;
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}
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void Display::Scroll(int Index, int Lines)
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{
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if (unlikely(this->Buffers[Index].Checksum != 0xBBFFE515A117E))
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{
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debug("Invalid buffer %d", Index);
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return;
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}
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if (this->Buffers[Index].DoNotScroll)
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if (this->DoNotScroll)
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return;
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if (Lines == 0)
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@ -265,43 +114,31 @@ namespace Video
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if (Lines > 0)
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{
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uint32_t LineSize = this->Buffers[Index].Width * (this->framebuffer.BitsPerPixel / 8);
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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->Buffers[Index].Size - BytesToMove;
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memmove(this->Buffers[Index].Buffer, (uint8_t *)this->Buffers[Index].Buffer + BytesToMove, BytesToClear);
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memset((uint8_t *)this->Buffers[Index].Buffer + BytesToClear, 0, BytesToMove);
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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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void Display::SetDoNotScroll(bool Value, int Index)
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__no_sanitize("undefined") char Display::Print(char Char, Video::Font *_Font, bool WriteToUART)
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{
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if (unlikely(this->Buffers[Index].Checksum != 0xBBFFE515A117E))
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{
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debug("Invalid buffer %d", Index);
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return;
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}
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this->Buffers[Index].DoNotScroll = Value;
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}
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__no_sanitize("undefined") char Display::Print(char Char, int Index, bool WriteToUART)
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{
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if (unlikely(this->Buffers[Index].Checksum != 0xBBFFE515A117E))
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return 0;
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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->Buffers[Index].Color = (this->Buffers[Index].Color << 4) | (Char - '0');
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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->Buffers[Index].Color = (this->Buffers[Index].Color << 4) | (Char - 'a' + 10);
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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->Buffers[Index].Color = (this->Buffers[Index].Color << 4) | (Char - 'A' + 10);
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this->Color = (this->Color << 4) | (Char - 'A' + 10);
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else
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this->Buffers[Index].Color = 0xFFFFFF;
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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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@ -314,6 +151,10 @@ namespace Video
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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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switch (Char)
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{
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case '\e':
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@ -323,7 +164,7 @@ namespace Video
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}
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case '\b':
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{
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switch (this->CurrentFont->GetInfo().Type)
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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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@ -332,13 +173,21 @@ namespace Video
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}
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case FontType::PCScreenFont2:
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{
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uint32_t fonthdrWidth = this->CurrentFont->GetInfo().PSF2Font->Header->width;
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uint32_t fonthdrHeight = this->CurrentFont->GetInfo().PSF2Font->Header->height;
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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->Buffers[Index].CursorY; Y < this->Buffers[Index].CursorY + fonthdrHeight; Y++)
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for (unsigned long X = this->Buffers[Index].CursorX - fonthdrWidth; X < this->Buffers[Index].CursorX; X++)
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*(uint32_t *)((uintptr_t)this->Buffers[Index].Buffer +
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(Y * this->Buffers[Index].Width + X) * (this->framebuffer.BitsPerPixel / 8)) = 0;
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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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@ -346,25 +195,25 @@ namespace Video
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break;
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}
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if (this->Buffers[Index].CursorX > 0)
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this->Buffers[Index].CursorX -= this->GetCurrentFont()->GetInfo().Width;
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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->Buffers[Index].CursorX = (this->Buffers[Index].CursorX + 8) & ~(8 - 1);
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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->Buffers[Index].CursorX = 0;
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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->Buffers[Index].CursorX = 0;
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this->Buffers[Index].CursorY += this->GetCurrentFont()->GetInfo().Height;
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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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@ -373,44 +222,44 @@ namespace Video
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uint32_t FontHeight = this->GetCurrentFont()->GetInfo().Height;
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if (this->Buffers[Index].CursorX + this->GetCurrentFont()->GetInfo().Width >= this->Buffers[Index].Width)
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if (this->CursorX + this->GetCurrentFont()->GetInfo().Width >= this->Width)
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{
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this->Buffers[Index].CursorX = 0;
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this->Buffers[Index].CursorY += FontHeight;
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this->CursorX = 0;
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this->CursorY += FontHeight;
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}
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if (this->Buffers[Index].CursorY + FontHeight >= this->Buffers[Index].Height)
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if (this->CursorY + FontHeight >= this->Height)
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{
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if (!this->Buffers[Index].DoNotScroll)
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if (!this->DoNotScroll)
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{
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this->Buffers[Index].CursorY -= FontHeight;
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this->Scroll(Index, 1);
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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 (this->CurrentFont->GetInfo().Type)
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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->Buffers[Index].Buffer;
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char *FontPtr = (char *)this->CurrentFont->GetInfo().PSF1Font->GlyphBuffer + (Char * this->CurrentFont->GetInfo().PSF1Font->Header->charsize);
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for (uint64_t Y = this->Buffers[Index].CursorY; Y < this->Buffers[Index].CursorY + 16; Y++)
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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->Buffers[Index].CursorX; X < this->Buffers[Index].CursorX + 8; X++)
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if ((*FontPtr & (0b10000000 >> (X - this->Buffers[Index].CursorX))) > 0)
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*(unsigned int *)(PixelPtr + X + (Y * this->Buffers[Index].Width)) = this->Buffers[Index].Color;
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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->Buffers[Index].CursorX += 8;
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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 (this->CurrentFont->PSF2Font->GlyphBuffer == (uint16_t *)0x01) // HAS UNICODE TABLE
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// Char = this->CurrentFont->PSF2Font->GlyphBuffer[Char];
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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 = this->CurrentFont->GetInfo();
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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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@ -422,71 +271,128 @@ namespace Video
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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->Buffers[Index].CursorY; Y < this->Buffers[Index].CursorY + FontHdrHeight; Y++)
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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->Buffers[Index].CursorX; X < this->Buffers[Index].CursorX + FontHdrWidth; X++)
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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->Buffers[Index].CursorX))) > 0)
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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->Buffers[Index].Buffer +
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(Y * this->Buffers[Index].Width + X) *
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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->Buffers[Index].Color;
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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->Buffers[Index].CursorX += FontHdrWidth;
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this->CursorX += FontHdrWidth;
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break;
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}
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default:
|
||||
warn("Unsupported font type");
|
||||
break;
|
||||
}
|
||||
|
||||
// // MarkRegionDirty(CursorY / RegionHeight, CursorX / RegionWidth);
|
||||
// for (size_t i = 0; i < 9; ++i)
|
||||
// {
|
||||
// size_t row = (CursorY / RegionHeight) + (i / 3) - 1;
|
||||
// size_t col = (CursorX / RegionWidth) + (i % 3) - 1;
|
||||
// if (row < Height / RegionHeight && col < Width / RegionWidth)
|
||||
// MarkRegionDirty(row, col);
|
||||
// }
|
||||
return Char;
|
||||
}
|
||||
|
||||
void Display::DrawString(const char *String, uint32_t X, uint32_t Y, int Index, bool WriteToUART)
|
||||
void Display::UpdateBuffer()
|
||||
{
|
||||
if (unlikely(this->Buffers[Index].Checksum != 0xBBFFE515A117E))
|
||||
if (!DirectWrite)
|
||||
memcpy(this->framebuffer.BaseAddress, this->Buffer, this->Size);
|
||||
|
||||
// for (size_t i = 0; i < DirtyMap.size(); ++i)
|
||||
// {
|
||||
// if (DirtyMap[i])
|
||||
// {
|
||||
// size_t rRow = i / (framebuffer.Width / RegionWidth);
|
||||
// size_t rCol = i % (framebuffer.Width / RegionWidth);
|
||||
// UpdateRegion(rRow, rCol);
|
||||
// DirtyMap[i] = false;
|
||||
// }
|
||||
// }
|
||||
}
|
||||
|
||||
void Display::UpdateRegion(size_t RegionRow, size_t RegionColumn)
|
||||
{
|
||||
size_t startRow = RegionRow * RegionHeight;
|
||||
size_t endRow = startRow + RegionHeight;
|
||||
size_t startCol = RegionColumn * RegionWidth;
|
||||
size_t endCol = startCol + RegionWidth;
|
||||
|
||||
uint8_t *framebufferPtr = (uint8_t *)framebuffer.BaseAddress;
|
||||
uint8_t *bufferPtr = (uint8_t *)Buffer;
|
||||
|
||||
for (size_t row = startRow; row < endRow; ++row)
|
||||
{
|
||||
debug("Invalid buffer %d", Index);
|
||||
uint8_t *framebufferRowPtr = framebufferPtr + (row % framebuffer.Height) * framebuffer.Width * (framebuffer.BitsPerPixel / 8);
|
||||
uint8_t *bufferRowPtr = bufferPtr + row * framebuffer.Width * (framebuffer.BitsPerPixel / 8);
|
||||
|
||||
for (size_t col = startCol; col < endCol; ++col)
|
||||
{
|
||||
uint8_t *framebufferPixelPtr = framebufferRowPtr + (col % framebuffer.Width) * (framebuffer.BitsPerPixel / 8);
|
||||
uint8_t *bufferPixelPtr = bufferRowPtr + col * (framebuffer.BitsPerPixel / 8);
|
||||
|
||||
memcpy(framebufferPixelPtr, bufferPixelPtr, framebuffer.BitsPerPixel / 8);
|
||||
}
|
||||
}
|
||||
/*
|
||||
size_t startRow = RegionRow * RegionHeight;
|
||||
size_t endRow = startRow + RegionHeight;
|
||||
size_t startCol = RegionColumn * RegionWidth;
|
||||
size_t endCol = startCol + RegionWidth;
|
||||
|
||||
for (size_t row = startRow; row < endRow; ++row)
|
||||
{
|
||||
for (size_t col = startCol; col < endCol; ++col)
|
||||
{
|
||||
size_t bufferIndex = row * framebuffer.Width + col;
|
||||
size_t framebufferIndex = (row % framebuffer.Height) * framebuffer.Width + (col % framebuffer.Width);
|
||||
memcpy((uint8_t *)framebuffer.BaseAddress + framebufferIndex * (framebuffer.BitsPerPixel / 8),
|
||||
(uint8_t *)Buffer + bufferIndex * (framebuffer.BitsPerPixel / 8),
|
||||
framebuffer.BitsPerPixel / 8);
|
||||
}
|
||||
}
|
||||
*/
|
||||
}
|
||||
|
||||
void Display::MarkRegionDirty(size_t RegionRow, size_t RegionCol)
|
||||
{
|
||||
size_t index = RegionRow * (framebuffer.Width / RegionWidth) + RegionCol;
|
||||
DirtyMap[index] = true;
|
||||
}
|
||||
|
||||
Display::Display(BootInfo::FramebufferInfo Info, bool LoadDefaultFont, bool _DirectWrite)
|
||||
: framebuffer(Info), DirectWrite(_DirectWrite)
|
||||
{
|
||||
Width = Info.Width;
|
||||
Height = Info.Height;
|
||||
Size = this->framebuffer.Pitch * Height;
|
||||
if (DirectWrite)
|
||||
Buffer = (void *)this->framebuffer.BaseAddress;
|
||||
else
|
||||
Buffer = KernelAllocator.RequestPages(TO_PAGES(Size));
|
||||
|
||||
// DirtyMap.resize((Width / RegionWidth) * (Height / RegionHeight), false);
|
||||
|
||||
if (!LoadDefaultFont)
|
||||
return;
|
||||
}
|
||||
|
||||
this->Buffers[Index].CursorX = X;
|
||||
this->Buffers[Index].CursorY = Y;
|
||||
|
||||
for (int i = 0; String[i] != '\0'; i++)
|
||||
this->Print(String[i], Index, WriteToUART);
|
||||
}
|
||||
|
||||
Display::Display(BootInfo::FramebufferInfo Info, bool LoadDefaultFont)
|
||||
{
|
||||
this->framebuffer = Info;
|
||||
if (LoadDefaultFont)
|
||||
{
|
||||
this->CurrentFont = new Font(&_binary_files_tamsyn_font_1_11_Tamsyn7x14r_psf_start, &_binary_files_tamsyn_font_1_11_Tamsyn7x14r_psf_end, FontType::PCScreenFont2);
|
||||
this->DefaultFont = new Font(&_binary_files_tamsyn_font_1_11_Tamsyn7x14r_psf_start, &_binary_files_tamsyn_font_1_11_Tamsyn7x14r_psf_end, FontType::PCScreenFont2);
|
||||
#ifdef DEBUG
|
||||
FontInfo Info = this->CurrentFont->GetInfo();
|
||||
debug("Font loaded: %dx%d %s",
|
||||
Info.Width, Info.Height,
|
||||
Info.Type == FontType::PCScreenFont1 ? "PSF1" : "PSF2");
|
||||
FontInfo fInfo = this->DefaultFont->GetInfo();
|
||||
debug("Font loaded: %dx%d %s",
|
||||
fInfo.Width, fInfo.Height,
|
||||
fInfo.Type == FontType::PCScreenFont1 ? "PSF1" : "PSF2");
|
||||
#endif
|
||||
}
|
||||
this->CreateBuffer(Info.Width, Info.Height, 0);
|
||||
}
|
||||
|
||||
Display::~Display()
|
||||
{
|
||||
debug("Destructor called");
|
||||
this->ClearBuffer(0);
|
||||
this->SetBuffer(0);
|
||||
|
||||
for (int i = 0; i < s_cst(int, sizeof(this->Buffers) / sizeof(this->Buffers[0])); i++)
|
||||
{
|
||||
if (this->Buffers[i].Checksum == 0xBBFFE515A117E)
|
||||
this->DeleteBuffer(i);
|
||||
}
|
||||
}
|
||||
Display::~Display() {}
|
||||
}
|
||||
|
Reference in New Issue
Block a user