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This commit is contained in:
Alex 2023-03-25 12:03:14 +02:00
parent eeeba9a569
commit cef9d89965
Signed by untrusted user who does not match committer: enderice2
GPG Key ID: EACC3AD603BAB4DD
1 changed files with 32 additions and 1 deletions
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33
Core/Video/Display.cpp
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@ -50,7 +50,10 @@ namespace Video
void Display::SetBuffer(int Index)
{
if (unlikely(this->Buffers[Index].Checksum != 0xDEAD))
{
debug("Invalid buffer %d", Index);
return;
}
if (this->Buffers[Index].Brightness != 100)
this->SetBrightness(this->Buffers[Index].Brightness, Index);
@ -66,7 +69,10 @@ namespace Video
void Display::ClearBuffer(int Index)
{
if (unlikely(this->Buffers[Index].Checksum != 0xDEAD))
{
debug("Invalid buffer %d", Index);
return;
}
memset(this->Buffers[Index].Buffer, 0, this->Buffers[Index].Size);
}
@ -74,17 +80,24 @@ namespace Video
void Display::DeleteBuffer(int Index)
{
if (unlikely(this->Buffers[Index].Checksum != 0xDEAD))
{
debug("Invalid buffer %d", Index);
return;
}
KernelAllocator.FreePages(this->Buffers[Index].Buffer, TO_PAGES(this->Buffers[Index].Size));
this->Buffers[Index].Buffer = nullptr;
this->Buffers[Index].Checksum = 0;
debug("Buffer %d deleted", Index);
}
void Display::SetBrightness(int Value, int Index)
{
if (unlikely(this->Buffers[Index].Checksum != 0xDEAD))
{
debug("Invalid buffer %d", Index);
return;
}
if (Value > 100)
Value = 100;
@ -116,7 +129,10 @@ namespace Video
void Display::SetBufferCursor(int Index, uint32_t X, uint32_t Y)
{
if (unlikely(this->Buffers[Index].Checksum != 0xDEAD))
{
debug("Invalid buffer %d", Index);
return;
}
this->Buffers[Index].CursorX = X;
this->Buffers[Index].CursorY = Y;
@ -125,7 +141,10 @@ namespace Video
void Display::GetBufferCursor(int Index, uint32_t *X, uint32_t *Y)
{
if (unlikely(this->Buffers[Index].Checksum != 0xDEAD))
{
debug("Invalid buffer %d", Index);
return;
}
*X = this->Buffers[Index].CursorX;
*Y = this->Buffers[Index].CursorY;
@ -134,7 +153,10 @@ namespace Video
void Display::SetPixel(uint32_t X, uint32_t Y, uint32_t Color, int Index)
{
if (unlikely(this->Buffers[Index].Checksum != 0xDEAD))
{
debug("Invalid buffer %d", Index);
return;
}
if (unlikely(X >= this->Buffers[Index].Width))
X = this->Buffers[Index].Width - 1;
@ -161,7 +183,10 @@ namespace Video
void Display::Scroll(int Index, int Lines)
{
if (unlikely(this->Buffers[Index].Checksum != 0xDEAD))
{
debug("Invalid buffer %d", Index);
return;
}
if (Lines == 0)
return;
@ -339,7 +364,10 @@ namespace Video
void Display::DrawString(const char *String, uint32_t X, uint32_t Y, int Index, bool WriteToUART)
{
if (unlikely(this->Buffers[Index].Checksum != 0xDEAD))
{
debug("Invalid buffer %d", Index);
return;
}
this->Buffers[Index].CursorX = X;
this->Buffers[Index].CursorY = Y;
@ -368,6 +396,9 @@ namespace Video
this->SetBuffer(0);
for (size_t i = 0; i < sizeof(this->Buffers) / sizeof(this->Buffers[0]); i++)
this->DeleteBuffer(i);
{
if (this->Buffers[i].Checksum == 0xDEAD)
this->DeleteBuffer(i);
}
}
}