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Double buffering implemented

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Double buffering is now enabled with the use of the new large alloc (klalloc).
This commit is contained in:
Kieron Morris 2021-06-24 01:56:53 +01:00
parent beeeabd441
commit 142dd486dd
1 changed files with 2 additions and 6 deletions
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8
src/driver/video/video.pas
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@ -41,7 +41,7 @@ function allocateBackBuffer(Width : uint32; Height : uint32; BitsPerPixel : uint
begin
Outputln('VIDEO','Start Kalloc Backbuffer');
//This doesn't currently work... Needs a rework of lmemorymanager
allocateBackBuffer:= uint64(kalloc((Width * Height) * BitsPerPixel));
allocateBackBuffer:= uint64(klalloc((Width * Height) * BitsPerPixel));
Outputln('VIDEO','End Kalloc Backbuffer');
end;
@ -93,7 +93,7 @@ begin
console.Outputln('VIDEO', 'Init VESA Framebuffer');
initVESAFrameBuffer(@VESA, multiboot.multibootinfo^.framebuffer_addr, multiboot.multibootinfo^.framebuffer_width, multiboot.multibootinfo^.framebuffer_height, multiboot.multibootinfo^.framebuffer_bpp);
console.Outputln('VIDEO', 'Init VESA Backbuffer');
//initBackBuffer(@VESA, multiboot.multibootinfo^.framebuffer_width, multiboot.multibootinfo^.framebuffer_height, multiboot.multibootinfo^.framebuffer_bpp);
initBackBuffer(@VESA, multiboot.multibootinfo^.framebuffer_width, multiboot.multibootinfo^.framebuffer_height, multiboot.multibootinfo^.framebuffer_bpp);
console.Outputln('VIDEO', 'Start Test Draw Loop');
srand(98354754397);
@ -106,10 +106,8 @@ begin
Inc(RGB.B);
end;
end;
console.Outputln('VIDEO', 'Call flush');
Flush();
end;
tracer.push_trace('video.init.exit');
end;
@ -130,7 +128,6 @@ var
Back,Front : PuInt32;
begin
writestringln('Flush Start');
if not(VESA.BackBuffer.Initialized) then exit;
Back:= PUint32(VESA.BackBuffer.Location);
Front:= PuInt32(VESA.Framebuffer.Location);
@ -139,7 +136,6 @@ begin
Front[(Y * VESA.Framebuffer.Width)+X]:= Back[(Y * VESA.Framebuffer.Width)+X];
end;
end;
writestringln('Flush End');
end;
end.