Spexeah/Asuro
Spexeah/Asuro
3
1
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Expaneded Video.pas and addec color.pas

Browse Source 
Backbuffer will need modification to lmemorymanager to remove the limits to allocation size.
This commit is contained in:
Kieron Morris 2021-06-23 22:19:55 +01:00
parent b73c66f6d6
commit beeeabd441
3 changed files with 91 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

94
src/driver/video/video.pas
View File

@ -3,29 +3,59 @@ unit video;
interface interface
uses uses
multiboot, lmemorymanager, tracer, color, rand; multiboot, lmemorymanager, tracer, color, rand, console;
procedure init(); procedure init();
procedure DrawPixel(X : uint32; Y : uint32; Pixel : TRGB32); procedure DrawPixel(X : uint32; Y : uint32; Pixel : TRGB32);
procedure Flush();
type type
VideoBuffer = uint64;
TVESALinearBuffer = record TVESALinearBuffer = record
Location : uint64; Initialized : Boolean;
Location : VideoBuffer;
BitsPerPixel : uint8;
Width : uint32;
Height : uint32;
end;
TBackBuffer = record
Initialized : Boolean;
Location : VideoBuffer;
BitsPerPixel : uint8; BitsPerPixel : uint8;
Width : uint32; Width : uint32;
Height : uint32; Height : uint32;
end; end;
TVESA = record TVESA = record
initialized : Boolean; DefaultBuffer : VideoBuffer;
Framebuffer : TVESALinearBuffer; Framebuffer : TVESALinearBuffer;
BackBuffer : TBackBuffer;
end; end;
PVESA = ^TVESA;
implementation implementation
var var
VESA : TVESA; VESA : TVESA;
procedure allocateFrameBuffer(Address : uint32; Width : uint32; Height : uint32); function allocateBackBuffer(Width : uint32; Height : uint32; BitsPerPixel : uint8) : uint64;
begin
Outputln('VIDEO','Start Kalloc Backbuffer');
//This doesn't currently work... Needs a rework of lmemorymanager
allocateBackBuffer:= uint64(kalloc((Width * Height) * BitsPerPixel));
Outputln('VIDEO','End Kalloc Backbuffer');
end;
procedure initBackBuffer(VESAInfo : PVESA; Width : uint32; Height : uint32; BitsPerPixel : uint8);
begin
VESAInfo^.BackBuffer.Width:= Width;
VESAInfo^.BackBuffer.Height:= Height;
VESAInfo^.BackBuffer.BitsPerPixel:= BitsPerPixel;
VESAInfo^.BackBuffer.Location:= allocateBackBuffer(VESAInfo^.BackBuffer.Width, VESAInfo^.BackBuffer.Height, VESAInfo^.BackBuffer.BitsPerPixel);
VESAInfo^.DefaultBuffer:= VESAInfo^.BackBuffer.Location;
VESAInfo^.BackBuffer.Initialized:= True;
end;
procedure allocateVESAFrameBuffer(Address : uint32; Width : uint32; Height : uint32);
var var
LowerAddress, UpperAddress : uint32; LowerAddress, UpperAddress : uint32;
Block : uint32; Block : uint32;
@ -40,6 +70,19 @@ begin
tracer.push_trace('video.allocateFrameBuffer.enter'); tracer.push_trace('video.allocateFrameBuffer.enter');
end; end;
procedure initVESAFrameBuffer(VESAInfo : PVESA; Location : uint64; Width : uint32; Height : uint32; BitsPerPixel : uint8);
begin
if not(VESAInfo^.Framebuffer.Initialized) then begin
VESAInfo^.Framebuffer.Location:= Location;
VESAInfo^.Framebuffer.BitsPerPixel:= BitsPerPixel;
VESAInfo^.Framebuffer.Width:= Width;
VESAInfo^.Framebuffer.Height:= Height;
allocateVESAFrameBuffer(VESAInfo^.Framebuffer.Location, VESAInfo^.Framebuffer.Width, VESAInfo^.Framebuffer.Height);
VESAInfo^.DefaultBuffer:= VESAInfo^.Framebuffer.Location;
VESAInfo^.Framebuffer.Initialized:= True;
end;
end;
procedure init(); procedure init();
var var
RGB : TRGB32; RGB : TRGB32;
@ -47,14 +90,12 @@ var
begin begin
tracer.push_trace('video.init.enter'); tracer.push_trace('video.init.enter');
If not(VESA.initialized) then begin console.Outputln('VIDEO', 'Init VESA Framebuffer');
VESA.Framebuffer.Location:= multiboot.multibootinfo^.framebuffer_addr; initVESAFrameBuffer(@VESA, multiboot.multibootinfo^.framebuffer_addr, multiboot.multibootinfo^.framebuffer_width, multiboot.multibootinfo^.framebuffer_height, multiboot.multibootinfo^.framebuffer_bpp);
VESA.Framebuffer.BitsPerPixel:= multiboot.multibootinfo^.framebuffer_bpp; console.Outputln('VIDEO', 'Init VESA Backbuffer');
VESA.Framebuffer.Width:= multiboot.multibootinfo^.framebuffer_width; //initBackBuffer(@VESA, multiboot.multibootinfo^.framebuffer_width, multiboot.multibootinfo^.framebuffer_height, multiboot.multibootinfo^.framebuffer_bpp);
VESA.Framebuffer.Height:= multiboot.multibootinfo^.framebuffer_height;
allocateFrameBuffer(VESA.Framebuffer.Location, VESA.Framebuffer.Width, VESA.Framebuffer.Height); console.Outputln('VIDEO', 'Start Test Draw Loop');
VESA.initialized:= true;
end;
srand(98354754397); srand(98354754397);
while true do begin while true do begin
Inc(RGB.R); Inc(RGB.R);
@ -65,19 +106,40 @@ begin
Inc(RGB.B); Inc(RGB.B);
end; end;
end; end;
console.Outputln('VIDEO', 'Call flush');
Flush();
end; end;
tracer.push_trace('video.init.exit'); tracer.push_trace('video.init.exit');
end; end;
procedure DrawPixel(X : uint32; Y : uint32; Pixel : TRGB32); procedure DrawPixel(X : uint32; Y : uint32; Pixel : TRGB32);
var var
Location : PuInt32; Location : PuInt32;
Increment : Uint32; LocationIndex : Uint32;
begin begin
Location:= Puint32(VESA.Framebuffer.Location); Location:= Puint32(VESA.DefaultBuffer);
Increment:= (Y * VESA.Framebuffer.Width) + X; LocationIndex:= (Y * VESA.Framebuffer.Width) + X;
Location[Increment]:= uint32(Pixel); Location[LocationIndex]:= uint32(Pixel);
end;
procedure Flush();
var
x,y : uint32;
Back,Front : PuInt32;
begin
writestringln('Flush Start');
if not(VESA.BackBuffer.Initialized) then exit;
Back:= PUint32(VESA.BackBuffer.Location);
Front:= PuInt32(VESA.Framebuffer.Location);
for x:=0 to VESA.Framebuffer.Width-1 do begin
for y:=0 to VESA.Framebuffer.Height-1 do begin
Front[(Y * VESA.Framebuffer.Width)+X]:= Back[(Y * VESA.Framebuffer.Width)+X];
end;
end;
writestringln('Flush End');
end; end;
end. end.

10
src/include/color.pas
View File

@ -10,6 +10,12 @@ type
A : uint8; A : uint8;
end; end;
TRGB24 = bitpacked record
B : uint8;
G : uint8;
R : uint8;
end;
TRGB16 = bitpacked record TRGB16 = bitpacked record
B : UBit5; B : UBit5;
G : UBit6; G : UBit6;
@ -22,6 +28,10 @@ type
R : UBit2; R : UBit2;
end; end;
const
black : TRGB32 = (B: 000; G: 000; R: 000; A: 000);
white : TRGB32 = (B: 255; G: 255; R: 255; A: 000);
implementation implementation
end. end.

4
src/kernel.pas
View File

@ -203,6 +203,8 @@ begin
{ Call Tracer } { Call Tracer }
tracer.init(); tracer.init();
video.init();
{ VFS Init } { VFS Init }
vfs.init(); vfs.init();
@ -265,8 +267,6 @@ begin
tracer.push_trace('kmain.TICK'); tracer.push_trace('kmain.TICK');
video.init();
while true do begin while true do begin
tracer.push_trace('kmain.RedrawWindows'); tracer.push_trace('kmain.RedrawWindows');
console.redrawWindows; console.redrawWindows;