Fennix/Kernel
1
0
Fork 0
mirror of https://github.com/Fennix-Project/Kernel.git synced 2025-05-30 00:08:03 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Display functions are now in a file

Browse Source
This commit is contained in:
Alex 2023-02-10 05:45:47 +02:00
parent 742082f755
commit 7d37988e3c
Signed by untrusted user who does not match committer: enderice2
GPG Key ID: EACC3AD603BAB4DD
2 changed files with 140 additions and 98 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

126
Core/Video/Display.cpp
View File

@ -11,6 +11,132 @@ NewLock(PrintLock);
namespace Video namespace Video
{ {
Font *Display::GetCurrentFont()
{
return CurrentFont;
}
void Display::SetCurrentFont(Font *Font)
{
CurrentFont = Font;
}
void Display::CreateBuffer(uint32_t Width, uint32_t Height, int Index)
{
if (Width == 0 && Height == 0)
{
Width = this->framebuffer.Width;
Height = this->framebuffer.Height;
debug("No width and height specified, using %ldx%lld", Width, Height);
}
size_t Size = this->framebuffer.Pitch * Height;
if (this->Buffers[Index])
{
if (this->Buffers[Index]->Checksum == 0xDEAD)
{
warn("Buffer %d already exists, skipping creation", Index);
return;
}
}
ScreenBuffer *buffer = new ScreenBuffer;
buffer->Buffer = KernelAllocator.RequestPages(TO_PAGES(Size));
buffer->Width = Width;
buffer->Height = Height;
buffer->Size = Size;
buffer->Color = 0xFFFFFF;
buffer->CursorX = 0;
buffer->CursorY = 0;
this->Buffers[Index] = buffer;
memset(this->Buffers[Index]->Buffer, 0, Size);
this->Buffers[Index]->Checksum = 0xDEAD;
}
void Display::SetBuffer(int Index)
{
memcpy(this->framebuffer.BaseAddress, this->Buffers[Index]->Buffer, this->Buffers[Index]->Size);
}
ScreenBuffer *Display::GetBuffer(int Index)
{
return this->Buffers[Index];
}
void Display::ClearBuffer(int Index)
{
memset(this->Buffers[Index]->Buffer, 0, this->Buffers[Index]->Size);
}
void Display::DeleteBuffer(int Index)
{
if (this->Buffers[Index] == nullptr)
return;
KernelAllocator.FreePages(this->Buffers[Index]->Buffer, TO_PAGES(this->Buffers[Index]->Size));
this->Buffers[Index]->Checksum = 0; // Making sure that the buffer is not used anymore
delete this->Buffers[Index];
}
void Display::SetBufferCursor(int Index, uint32_t X, uint32_t Y)
{
this->Buffers[Index]->CursorX = X;
this->Buffers[Index]->CursorY = Y;
}
void Display::GetBufferCursor(int Index, uint32_t *X, uint32_t *Y)
{
*X = this->Buffers[Index]->CursorX;
*Y = this->Buffers[Index]->CursorY;
}
void Display::SetPixel(uint32_t X, uint32_t Y, uint32_t Color, int Index)
{
if (unlikely(X >= this->Buffers[Index]->Width))
X = this->Buffers[Index]->Width - 1;
if (unlikely(Y >= this->Buffers[Index]->Height))
Y = this->Buffers[Index]->Height - 1;
uint32_t *Pixel = (uint32_t *)((uintptr_t)this->Buffers[Index]->Buffer + (Y * this->Buffers[Index]->Width + X) * (this->framebuffer.BitsPerPixel / 8));
*Pixel = Color;
}
uint32_t Display::GetPixel(uint32_t X, uint32_t Y, int Index)
{
if (unlikely(X >= this->Buffers[Index]->Width || Y >= this->Buffers[Index]->Height))
return 0;
uint32_t *Pixel = (uint32_t *)((uintptr_t)this->Buffers[Index]->Buffer + (Y * this->Buffers[Index]->Width + X) * (this->framebuffer.BitsPerPixel / 8));
return *Pixel;
}
uint16_t Display::GetBitsPerPixel()
{
return this->framebuffer.BitsPerPixel;
}
uint64_t Display::GetPitch()
{
return this->framebuffer.Pitch;
}
void Display::Scroll(int Index, int Lines)
{
if (Lines == 0)
return;
if (Lines > 0)
{
for (uint32_t i = 0; i < this->CurrentFont->GetInfo().Height; i++) // TODO: Make this more efficient.
{
memmove(this->Buffers[Index]->Buffer,
(uint8_t *)this->Buffers[Index]->Buffer + (this->Buffers[Index]->Width * (this->framebuffer.BitsPerPixel / 8) * Lines),
this->Buffers[Index]->Size - (this->Buffers[Index]->Width * (this->framebuffer.BitsPerPixel / 8) * Lines));
memset((uint8_t *)this->Buffers[Index]->Buffer + (this->Buffers[Index]->Size - (this->Buffers[Index]->Width * (this->framebuffer.BitsPerPixel / 8) * Lines)),
0,
this->Buffers[Index]->Width * (this->framebuffer.BitsPerPixel / 8) * Lines);
}
}
}
char Display::Print(char Char, int Index, bool WriteToUART) char Display::Print(char Char, int Index, bool WriteToUART)
{ {
// SmartLock(PrintLock); // SmartLock(PrintLock);

112
include/display.hpp
View File

@ -96,104 +96,20 @@ namespace Video
int ColorPickerIteration = 0; int ColorPickerIteration = 0;
public: public:
Font *GetCurrentFont() { return CurrentFont; } Font *GetCurrentFont();
void SetCurrentFont(Font *Font) { CurrentFont = Font; } void SetCurrentFont(Font *Font);
void CreateBuffer(uint32_t Width, uint32_t Height, int Index) void CreateBuffer(uint32_t Width, uint32_t Height, int Index);
{ void SetBuffer(int Index);
if (Width == 0 && Height == 0) ScreenBuffer *GetBuffer(int Index);
{ void ClearBuffer(int Index);
Width = this->framebuffer.Width; void DeleteBuffer(int Index);
Height = this->framebuffer.Height; void SetBufferCursor(int Index, uint32_t X, uint32_t Y);
debug("No width and height specified, using %ldx%lld", Width, Height); void GetBufferCursor(int Index, uint32_t *X, uint32_t *Y);
} void SetPixel(uint32_t X, uint32_t Y, uint32_t Color, int Index);
uint32_t GetPixel(uint32_t X, uint32_t Y, int Index);
size_t Size = this->framebuffer.Pitch * Height; uint16_t GetBitsPerPixel();
if (!this->Buffers[Index]) uint64_t GetPitch();
{ void Scroll(int Index, int Lines);
if (this->Buffers[Index]->Checksum != 0xDEAD)
{
ScreenBuffer *buffer = new ScreenBuffer;
buffer->Buffer = KernelAllocator.RequestPages(TO_PAGES(Size));
buffer->Width = Width;
buffer->Height = Height;
buffer->Size = Size;
buffer->Color = 0xFFFFFF;
buffer->CursorX = 0;
buffer->CursorY = 0;
this->Buffers[Index] = buffer;
memset(this->Buffers[Index]->Buffer, 0, Size);
this->Buffers[Index]->Checksum = 0xDEAD;
}
else
warn("Buffer %d already exists, skipping creation", Index);
}
else
warn("Buffer %d already exists, skipping creation", Index);
}
void SetBuffer(int Index) { memcpy(this->framebuffer.BaseAddress, this->Buffers[Index]->Buffer, this->Buffers[Index]->Size); }
ScreenBuffer *GetBuffer(int Index) { return this->Buffers[Index]; }
void ClearBuffer(int Index) { memset(this->Buffers[Index]->Buffer, 0, this->Buffers[Index]->Size); }
void DeleteBuffer(int Index)
{
if (this->Buffers[Index] == nullptr)
return;
KernelAllocator.FreePages(this->Buffers[Index]->Buffer, TO_PAGES(this->Buffers[Index]->Size));
this->Buffers[Index]->Checksum = 0; // Making sure that the buffer is not used anymore
delete this->Buffers[Index];
}
void SetBufferCursor(int Index, uint32_t X, uint32_t Y)
{
this->Buffers[Index]->CursorX = X;
this->Buffers[Index]->CursorY = Y;
}
void GetBufferCursor(int Index, uint32_t *X, uint32_t *Y)
{
*X = this->Buffers[Index]->CursorX;
*Y = this->Buffers[Index]->CursorY;
}
inline void SetPixel(uint32_t X, uint32_t Y, uint32_t Color, int Index)
{
if (unlikely(X >= this->Buffers[Index]->Width))
X = this->Buffers[Index]->Width - 1;
if (unlikely(Y >= this->Buffers[Index]->Height))
Y = this->Buffers[Index]->Height - 1;
uint32_t *Pixel = (uint32_t *)((uintptr_t)this->Buffers[Index]->Buffer + (Y * this->Buffers[Index]->Width + X) * (this->framebuffer.BitsPerPixel / 8));
*Pixel = Color;
}
inline uint32_t GetPixel(uint32_t X, uint32_t Y, int Index)
{
if (unlikely(X >= this->Buffers[Index]->Width || Y >= this->Buffers[Index]->Height))
return 0;
uint32_t *Pixel = (uint32_t *)((uintptr_t)this->Buffers[Index]->Buffer + (Y * this->Buffers[Index]->Width + X) * (this->framebuffer.BitsPerPixel / 8));
return *Pixel;
}
inline uint16_t GetBitsPerPixel() { return this->framebuffer.BitsPerPixel; }
inline uint64_t GetPitch() { return this->framebuffer.Pitch; }
void Scroll(int Index, int Lines)
{
if (Lines == 0)
return;
if (Lines > 0)
{
for (uint32_t i = 0; i < this->CurrentFont->GetInfo().Height; i++) // TODO: Make this more efficient.
{
memmove(this->Buffers[Index]->Buffer,
(uint8_t *)this->Buffers[Index]->Buffer + (this->Buffers[Index]->Width * (this->framebuffer.BitsPerPixel / 8) * Lines),
this->Buffers[Index]->Size - (this->Buffers[Index]->Width * (this->framebuffer.BitsPerPixel / 8) * Lines));
memset((uint8_t *)this->Buffers[Index]->Buffer + (this->Buffers[Index]->Size - (this->Buffers[Index]->Width * (this->framebuffer.BitsPerPixel / 8) * Lines)),
0,
this->Buffers[Index]->Width * (this->framebuffer.BitsPerPixel / 8) * Lines);
}
}
}
char Print(char Char, int Index, bool WriteToUART = false); char Print(char Char, int Index, bool WriteToUART = false);
void DrawString(const char *String, uint32_t X, uint32_t Y, int Index, bool WriteToUART = false); void DrawString(const char *String, uint32_t X, uint32_t Y, int Index, bool WriteToUART = false);