Merge branch 'develop'

Reviewed-on: #3

src/console.pas

@@ -1776,15 +1776,14 @@ var
    fb: puint32;
 
 Begin
-     Ready:= False;
      fb:= puint32(uint32(multibootinfo^.framebuffer_addr));
      Console_Properties.Width:= multibootinfo^.framebuffer_width;
      Console_Properties.Height:= multibootinfo^.framebuffer_height;
      Console_Properties.BitsPerPixel:= multibootinfo^.framebuffer_bpp;
      Console_Properties.MAX_CELL_X:= (Console_Properties.Width div 8) - 1;
      Console_Properties.MAX_CELL_Y:= (Console_Properties.Height div 16) - 1;
-     If Console_Properties.BitsPerPixel <> 16 then begin
+     If Console_Properties.BitsPerPixel <> 16 then while true do begin
-        exit;
+
      end;
      kpalloc(uint32(fb));
      keyboard.hook(@keyhook);

src/cpu.pas

@@ -291,28 +291,6 @@ begin
     end;
 end;
 
-procedure enableAVX();
-begin
-    if CPUID.Capabilities1^.AVX then begin
-        asm
-            PUSH EAX
-            PUSH ECX
-            PUSH EDX
-            XOR ECX, ECX
-            db $0F
-            db $01
-            db $D0
-            OR EAX, 7
-            db $0F
-            db $01
-            db $D1
-            POP EDX
-            POP ECX
-            POP EAX
-        end;
-    end;
-end;
-
 procedure init();
 begin
     terminal.registerCommand('CPU', @Terminal_Command_CPU, 'CPU Info.');
@@ -322,7 +300,6 @@ begin
     getCPUCapabilities;
     getCPUClockSpeed;
     enableSSE;
-    enableAVX;
 end;
 
 end.

src/driver/video/doublebuffer.pas

@@ -1,100 +0,0 @@
-//  Copyright 2021 Kieron Morris
-//
-//  Licensed under the Apache License, Version 2.0 (the "License");
-//  you may not use this file except in compliance with the License.
-//  You may obtain a copy of the License at
-//
-//  http://www.apache.org/licenses/LICENSE-2.0
-//
-//  Unless required by applicable law or agreed to in writing, software
-//  distributed under the License is distributed on an "AS IS" BASIS,
-//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-//  See the License for the specific language governing permissions and
-//  limitations under the License.
-
-{ 
-	Driver->Video->Doublebuffer - Implements a very basic double buffer, tested with VESA drivers.
-	
-	@author(Kieron Morris <kjm@kieronmorris.me>)
-}
-unit doublebuffer;
-
-interface
-
-uses
-    lmemorymanager, tracer, videotypes, serial, util;
-
-//Init the driver, and register with the video interface in a state ready for execution.
-procedure init(Register : FRegisterDriver);
-
-implementation
-
-function allocateBackBuffer(Width : uint32; Height : uint32; BitsPerPixel : uint8) : uint64;
-begin
-    tracer.push_trace('doublebuffer.allocateBackBuffer.enter');
-    //This doesn't currently work... Needs a rework of lmemorymanager
-    allocateBackBuffer:= uint64(klalloc((Width * Height) * BitsPerPixel));
-    tracer.push_trace('doublebuffer.allocateBackBuffer.exit');
-end;
-
-procedure initBackBuffer(VInterface : PVideoInterface; Width : uint32; Height : uint32; BitsPerPixel : uint8);
-begin
-    tracer.push_trace('doublebuffer.initBackBuffer.enter');
-    if not(VInterface^.BackBuffer.Initialized) then begin
-        VInterface^.BackBuffer.Location:= allocateBackBuffer(Width, Height, BitsPerPixel);
-        if (VInterface^.BackBuffer.Location <> 0) then begin
-            VInterface^.BackBuffer.Width:= Width;
-            VInterface^.BackBuffer.Height:= Height;
-            VInterface^.BackBuffer.BitsPerPixel:= BitsPerPixel;
-            VInterface^.BackBuffer.Initialized:= True;
-        end;
-    end;
-    tracer.push_trace('doublebuffer.initBackBuffer.exit');
-end;
-
-procedure Flush(FrontBuffer : PVideoBuffer; BackBuffer : PVideoBuffer);
-var
-    idx : uint32;
-    Back,Front : uint32;
-    BufferSize : uint32;
-
-const
-    //COPY_WIDTH = 64; //Use this for 64bit copies
-    COPY_WIDTH = 128; //Use this for SSE copies
-
-begin
-    //tracer.push_trace('doublebuffer.Flush.enter');
-    if not(BackBuffer^.Initialized) then exit;
-    if ((FrontBuffer^.Width > BackBuffer^.Width) or (FrontBuffer^.Height > BackBuffer^.Height)) then exit;
-    Back:= BackBuffer^.Location;
-    Front:= FrontBuffer^.Location;
-    BufferSize:= ( ( BackBuffer^.Width * BackBuffer^.Height * BackBuffer^.BitsPerPixel) div COPY_WIDTH ) - 1;
-    for idx:=0 to BufferSize do begin
-        //Front[idx]:= Back[idx];
-        // -- TODO: Get SSE working here for 128bit copies --
-        __SSE_128_memcpy(Back + (idx * 16), Front + (idx * 16));  
-    end;
-    //tracer.push_trace('doublebuffer.Flush.exit');
-end;
-
-function enable(VideoInterface : PVideoInterface) : boolean;
-begin
-    tracer.push_trace('doublebuffer.enable.enter');
-    enable:= false;
-    initBackBuffer(VideoInterface, VideoInterface^.FrontBuffer.Width, VideoInterface^.FrontBuffer.Height, VideoInterface^.FrontBuffer.BitsPerPixel);
-    if VideoInterface^.BackBuffer.Initialized then begin
-        VideoInterface^.DefaultBuffer:= @VideoInterface^.BackBuffer;
-        VideoInterface^.DrawRoutines.Flush:= @Flush;
-        enable:= true;
-    end;
-    tracer.push_trace('doublebuffer.enable.exit');
-end;
-
-procedure init(Register : FRegisterDriver);
-begin
-    tracer.push_trace('doublebuffer.init.enter');
-    Register('BASIC_DOUBLE_BUFFER', @enable);
-    tracer.push_trace('doublebuffer.init.exit');
-end;
-
-end.

src/driver/video/vesa.pas

@@ -1,87 +0,0 @@
-//  Copyright 2021 Kieron Morris
-//
-//  Licensed under the Apache License, Version 2.0 (the "License");
-//  you may not use this file except in compliance with the License.
-//  You may obtain a copy of the License at
-//
-//  http://www.apache.org/licenses/LICENSE-2.0
-//
-//  Unless required by applicable law or agreed to in writing, software
-//  distributed under the License is distributed on an "AS IS" BASIS,
-//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-//  See the License for the specific language governing permissions and
-//  limitations under the License.
-
-{ 
-	Driver->Video->VESA - VESA Display Driver.
-	
-	@author(Kieron Morris <kjm@kieronmorris.me>)
-}
-unit vesa;
-
-interface
-
-uses
-    videotypes, tracer, multiboot, lmemorymanager;
-
-//Init the driver, and register with the video interface in a state ready for execution.
-procedure init(Register : FRegisterDriver);
-
-implementation
-
-uses
-    VESA8, VESA16, VESA24, VESA32;
-
-procedure allocateVESAFrameBuffer(Address : uint32; Width : uint32; Height : uint32);
-var
-    LowerAddress, UpperAddress : uint32;
-    Block : uint32;
-
-begin
-    tracer.push_trace('VESA.allocateFrameBuffer.enter');
-    LowerAddress:= ((Address) SHR 22)-1;
-    UpperAddress:= ((Address + (Width * Height)) SHR 22)+1;
-    For Block:=LowerAddress to UpperAddress do begin
-        kpalloc(Block SHL 22);
-    end;
-    tracer.push_trace('VESA.allocateFrameBuffer.exit');
-end;
-
-procedure initVESAFrameBuffer(VideoBuffer : PVideoBuffer; Location : uint64; Width : uint32; Height : uint32; BitsPerPixel : uint8);
-begin
-    tracer.push_trace('VESA.initVESAFrameBuffer.enter');
-    if not(VideoBuffer^.Initialized) then begin
-        VideoBuffer^.Location:= Location;
-        VideoBuffer^.BitsPerPixel:= BitsPerPixel;
-        VideoBuffer^.Width:= Width;
-        VideoBuffer^.Height:= Height;
-        allocateVESAFrameBuffer(VideoBuffer^.Location, VideoBuffer^.Width, VideoBuffer^.Height);
-        if VideoBuffer^.Location <> 0 then
-            VideoBuffer^.Initialized:= True;
-    end;
-    tracer.push_trace('VESA.initVESAFrameBuffer.exit');
-end;
-
-function enable(VideoInterface : PVideoInterface) : boolean;
-begin
-    tracer.push_trace('VESA.enable.enter');
-    initVESAFrameBuffer(@VideoInterface^.FrontBuffer, multiboot.multibootinfo^.framebuffer_addr, multiboot.multibootinfo^.framebuffer_width, multiboot.multibootinfo^.framebuffer_height, multiboot.multibootinfo^.framebuffer_bpp);
-    case (VideoInterface^.FrontBuffer.BitsPerPixel) of
-        08:VESA8.init(@VideoInterface^.DrawRoutines);
-        16:VESA16.init(@VideoInterface^.DrawRoutines);
-        24:VESA24.init(@VideoInterface^.DrawRoutines);
-        32:VESA32.init(@VideoInterface^.DrawRoutines);
-    end;
-    enable:= VideoInterface^.FrontBuffer.Initialized;  
-    tracer.push_trace('VESA.enable.exit');
-end;
-
-procedure init(Register : FRegisterDriver);
-begin
-    tracer.push_trace('VESA.init.enter');
-    if Register <> nil then
-        Register('VESA', @enable);   
-    tracer.push_trace('VESA.init.exit');
-end;
-
-end.

src/driver/video/vesa16.pas

@@ -1,43 +0,0 @@
-//  Copyright 2021 Kieron Morris
-//
-//  Licensed under the Apache License, Version 2.0 (the "License");
-//  you may not use this file except in compliance with the License.
-//  You may obtain a copy of the License at
-//
-//  http://www.apache.org/licenses/LICENSE-2.0
-//
-//  Unless required by applicable law or agreed to in writing, software
-//  distributed under the License is distributed on an "AS IS" BASIS,
-//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-//  See the License for the specific language governing permissions and
-//  limitations under the License.
-
-{ 
-	Driver->Video->VESA16 - Implementation of VESA 16bpp draw routines for the VESA Driver.
-	
-	@author(Kieron Morris <kjm@kieronmorris.me>)
-}
-unit vesa16;
-
-interface
-
-uses
-    videotypes, vesa, tracer, color;
-
-//Init the draw routines by providing what we support through the DrawRoutines struct.
-procedure init(DrawRoutines : PDrawRoutines);
-
-implementation
-
-procedure DrawPixel(Buffer : PVideoBuffer; X : uint32; Y : uint32; Pixel : TRGB32);
-begin
-
-end;
-
-procedure init(DrawRoutines : PDrawRoutines);
-begin
-    tracer.push_trace('vesa16.init.enter');   
-    tracer.push_trace('vesa16.init.exit');
-end;
-
-end.

src/driver/video/vesa24.pas

@@ -1,43 +0,0 @@
-//  Copyright 2021 Kieron Morris
-//
-//  Licensed under the Apache License, Version 2.0 (the "License");
-//  you may not use this file except in compliance with the License.
-//  You may obtain a copy of the License at
-//
-//  http://www.apache.org/licenses/LICENSE-2.0
-//
-//  Unless required by applicable law or agreed to in writing, software
-//  distributed under the License is distributed on an "AS IS" BASIS,
-//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-//  See the License for the specific language governing permissions and
-//  limitations under the License.
-
-{ 
-	Driver->Video->VESA24 - Implementation of VESA 24bpp draw routines for the VESA Driver.
-	
-	@author(Kieron Morris <kjm@kieronmorris.me>)
-}
-unit vesa24;
-
-interface
-
-uses
-    videotypes, vesa, tracer, color;
-
-//Init the draw routines by providing what we support through the DrawRoutines struct.
-procedure init(DrawRoutines : PDrawRoutines);
-
-implementation
-
-procedure DrawPixel(Buffer : PVideoBuffer; X : uint32; Y : uint32; Pixel : TRGB32);
-begin
-
-end;
-
-procedure init(DrawRoutines : PDrawRoutines);
-begin
-	tracer.push_trace('vesa24.init.enter');
-	tracer.push_trace('vesa24.init.exit');
-end;
-
-end.

src/driver/video/vesa32.pas

@@ -1,52 +0,0 @@
-//  Copyright 2021 Kieron Morris
-//
-//  Licensed under the Apache License, Version 2.0 (the "License");
-//  you may not use this file except in compliance with the License.
-//  You may obtain a copy of the License at
-//
-//  http://www.apache.org/licenses/LICENSE-2.0
-//
-//  Unless required by applicable law or agreed to in writing, software
-//  distributed under the License is distributed on an "AS IS" BASIS,
-//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-//  See the License for the specific language governing permissions and
-//  limitations under the License.
-
-{ 
-	Driver->Video->VESA32 - Implementation of VESA 32bpp draw routines for the VESA Driver.
-	
-	@author(Kieron Morris <kjm@kieronmorris.me>)
-}
-unit vesa32;
-
-interface
-
-uses
-    videotypes, vesa, tracer, color;
-
-//Init the draw routines by providing what we support through the DrawRoutines struct.
-procedure init(DrawRoutines : PDrawRoutines);
-
-implementation
-
-procedure DrawPixel(Buffer : PVideoBuffer; X : uint32; Y : uint32; Pixel : TRGB32);
-var
-    Location : PuInt32;
-    LocationIndex : Uint32;
-
-begin
-    //tracer.push_trace('vesa32.DrawPixel.enter');
-    Location:= Puint32(Buffer^.Location);
-    LocationIndex:= (Y * Buffer^.Width) + X;
-    Location[LocationIndex]:= uint32(Pixel);
-    //tracer.push_trace('vesa32.DrawPixel.exit');
-end;
-
-procedure init(DrawRoutines : PDrawRoutines);
-begin
-    tracer.push_trace('vesa32.init.enter');
-    DrawRoutines^.DrawPixel:= @DrawPixel;
-    tracer.push_trace('vesa32.init.exit');
-end;
-
-end.

src/driver/video/vesa8.pas

@@ -1,43 +0,0 @@
-//  Copyright 2021 Kieron Morris
-//
-//  Licensed under the Apache License, Version 2.0 (the "License");
-//  you may not use this file except in compliance with the License.
-//  You may obtain a copy of the License at
-//
-//  http://www.apache.org/licenses/LICENSE-2.0
-//
-//  Unless required by applicable law or agreed to in writing, software
-//  distributed under the License is distributed on an "AS IS" BASIS,
-//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-//  See the License for the specific language governing permissions and
-//  limitations under the License.
-
-{ 
-	Driver->Video->VESA8 - Implementation of VESA 8bpp draw routines for the VESA Driver.
-	
-	@author(Kieron Morris <kjm@kieronmorris.me>)
-}
-unit vesa8;
-
-interface
-
-uses
-    videotypes, vesa, tracer, color;
-
-//Init the draw routines by providing what we support through the DrawRoutines struct.
-procedure init(DrawRoutines : PDrawRoutines);
-
-implementation
-
-procedure DrawPixel(Buffer : PVideoBuffer; X : uint32; Y : uint32; Pixel : TRGB32);
-begin
-
-end;
-
-procedure init(DrawRoutines : PDrawRoutines);
-begin
-    tracer.push_trace('vesa8.init.enter');   
-    tracer.push_trace('vesa8.init.exit');  
-end;
-
-end.

src/driver/video/video.pas

@@ -1,318 +0,0 @@
-//  Copyright 2021 Kieron Morris
-//
-//  Licensed under the Apache License, Version 2.0 (the "License");
-//  you may not use this file except in compliance with the License.
-//  You may obtain a copy of the License at
-//
-//  http://www.apache.org/licenses/LICENSE-2.0
-//
-//  Unless required by applicable law or agreed to in writing, software
-//  distributed under the License is distributed on an "AS IS" BASIS,
-//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-//  See the License for the specific language governing permissions and
-//  limitations under the License.
-
-{ 
-	Driver->Video->Video - Provides an abstract rasterization/drawing interface.
-	
-	@author(Kieron Morris <kjm@kieronmorris.me>)
-}
-unit video;
-
-interface
-
-uses
-    lmemorymanager, tracer, color, videotypes, hashmap, util, texture;
-
-procedure init();
-procedure DrawPixel(X : uint32; Y : uint32; Pixel : TRGB32);
-procedure DrawLine(x1,y1,x2,y2 : uint32; thickness : uint32; Color : TRGB32);
-procedure DrawRect(x1,y1,x2,y2 : uint32; line_thickness : uint32; Color : TRGB32);
-procedure FillRect(x1,y1,x2,y2 : uint32; line_thickness : uint32; Line_Color : TRGB32; Fill_Color : TRGB32);
-procedure Flush();
-
-function register(DriverIdentifier : pchar; EnableCallback : FEnableDriver) : boolean;
-function enable(DriverIdentifier : pchar) : boolean;
-
-function frontBufferWidth : uint32;
-function frontBufferHeight : uint32;
-function frontBufferBpp : uint8;
-function backBufferWidth : uint32;
-function backBufferHeight : uint32;
-function backBufferBpp : uint8;
-
-Procedure basicFDrawTexture(Buffer : PVideoBuffer; X : uint32; Y : uint32; Texture : PTexture);
-
-implementation
-
-Procedure dummyFDrawPixel(Buffer : PVideoBuffer; X : uint32; Y : uint32; Pixel : TRGB32);
-begin
-    tracer.push_trace('video.dummyFDrawPixel.enter');
-    //Do nothing, this is the most basic function that must be implemented by a driver.
-end;
-
-Procedure basicFFlush(FrontBuffer : PVideoBuffer; BackBuffer : PVideoBuffer);
-var
-    idx : uint32;
-    Back,Front : puint32;
-    BufferSize : uint32;
-
-const
-    COPY_WIDTH = 32;
-
-begin
-    //tracer.push_trace('video.basicFFlush.enter');
-    If not(FrontBuffer^.Initialized and BackBuffer^.Initialized) then exit;
-    if (BackBuffer^.Width > FrontBuffer^.Width) or (BackBuffer^.Height > FrontBuffer^.Height) then exit;
-    Back:= puint32(BackBuffer^.Location);
-    Front:= puint32(FrontBuffer^.Location);
-    BufferSize:= ( (BackBuffer^.Width * BackBuffer^.Height * BackBuffer^.BitsPerPixel ) div COPY_WIDTH ) - 1;
-    for idx:=0 to BufferSize do begin
-        Front[idx]:= Back[idx];
-    end;
-end;
-
-Procedure basicFDrawTexture(Buffer : PVideoBuffer; X : uint32; Y : uint32; Texture : PTexture);
-var
-    i, j : uint32;
-
-begin
-    //Draw texture to Buffer at x and y
-    for i:=0 to Texture^.Height - 1 do begin
-        for j:=0 to Texture^.Width - 1 do begin
-            DrawPixel(X + j, Y + i, Texture^.Pixels[(i * Texture^.Width) + j]);
-        end;
-    end;
-end;
-
-procedure basicFDrawLine(Buffer : PVideoBuffer; x1,y1,x2,y2 : uint32; thickness : uint32; Color : TRGB32);
-var
-    X, Y, DX, DY, DX1, DY1, PX, PY, XE, YE, I : sint32;
-
-begin
-    tracer.push_trace('video.basicFDrawLine.enter');
-
-    if(x1 = x2) then begin
-        for Y:=Y1 to Y2 do begin
-            DrawPixel(X1,Y,Color);
-        end;
-    end else if (y1 = y2) then begin
-        for X:=X1 to X2 do begin
-            DrawPixel(X,Y1,Color);
-        end;
-    end else begin
-        DX:= X2 - X1;
-        DY:= Y2 - Y1;
-
-        DX1:= util.abs(DX);
-        DY1:= util.abs(DY);
-
-        PX:= 2 * DY1 - DX1;
-        PY:= 2 * DX1 - DY1;
-
-        if (DY1 <= DX1) then begin
-            if (dx >= 0) then begin
-                X:= X1; Y:= Y1; XE:= X2;
-            end else begin
-                X:= X2; Y:= Y2; XE:= X1;
-            end;
-
-            DrawPixel(X, Y, Color);
-
-            I:=0;
-            while (x < xe) do begin
-                X:= X + 1;
-                if (PX < 0) then begin
-                    PX:= PX + 2 + DY1; 
-                end else begin
-                    if(((dx < 0) and (dy < 0)) OR ((dx > 0) and (dy > 0))) then begin
-                        Y:= Y + 1;  
-                    end else begin
-                        Y:= Y - 1;
-                    end;
-                    PX:= PX + 2 * (DY1 - DX1);
-                end;
-                DrawPixel(X,Y,Color);
-                I:= I + 1;
-            end;
-        end else begin
-            if (DY >= 0) then begin
-                X:= X1; Y:= Y1; YE:= Y2; 
-            end else begin
-                X:= X2; Y:= Y2; YE:= Y1;
-            end;
-
-            DrawPixel(X, Y, Color);
-
-            I:=0;
-            while (Y < YE) do begin
-                Y:= Y + 1;
-                if (PY <= 0) then begin
-                    PY:= PY + 2 * DX1;
-                end else begin
-                    if (((dx < 0) and (dy < 0)) OR ((dx > 0) and (dy > 0))) then begin
-                        X:= X + 1; 
-                    end else begin
-                        X:= X - 1;
-                    end;
-                    PY:= PY + 2 * (dx1 - dy1);
-                end;
-                DrawPixel(X,Y,Color);
-                I:= I + 1;
-            end;
-        end;
-    end;
-end;
-
-procedure basicFDrawRect(Buffer : PVideoBuffer; x1,y1,x2,y2 : uint32; line_thickness : uint32; Color : TRGB32);
-begin
-    tracer.push_trace('video.basicFDrawRect.enter');
-    DrawLine(x1,y1,x2,y1,line_thickness,Color);
-    DrawLine(x1,y2,x2,y2,line_thickness,Color);
-    DrawLine(x1,y1,x1,y2,line_thickness,Color);
-    DrawLine(x2,y1,x2,y2,line_thickness,Color);
-end;
-
-procedure basicFFillRect(Buffer : PVideoBuffer; x1,y1,x2,y2 : uint32; line_thickness : uint32; Line_Color : TRGB32; Fill_Color : TRGB32);
-var
-    Y : uint32;
-
-begin
-    tracer.push_trace('video.basicFFillRect.enter');   
-    for Y:=y1 to y2 do begin
-        DrawLine(x1,y,x2,y,line_thickness,Fill_Color);
-    end;
-    DrawRect(x1,y1,x2,y2,line_thickness,Line_Color);
-end;
-
-var
-    VideoInterface : TVideoInterface;
-    DriverMap      : PHashMap;
-
-procedure init();
-var
-    RGB : TRGB32;
-    x,y : uint32;
-
-begin
-    tracer.push_trace('video.init.enter');
-    //Ensure the frontbuffer is empty & nil, ready for initialization by a driver.
-    VideoInterface.FrontBuffer.Initialized:= false;
-    VideoInterface.FrontBuffer.Width:= 0;
-    VideoInterface.FrontBuffer.Height:= 0;
-    VideoInterface.FrontBuffer.BitsPerPixel:= 0;
-    VideoInterface.FrontBuffer.Location:= 0;
-
-    //Ensure the backbuffer is empty & nil, ready for initialization by a driver.
-    VideoInterface.BackBuffer.Initialized:= false;
-    VideoInterface.BackBuffer.Width:= 0;
-    VideoInterface.BackBuffer.Height:= 0;
-    VideoInterface.BackBuffer.BitsPerPixel:= 0;
-    VideoInterface.BackBuffer.Location:= 0;
-
-    //Set the default buffer to be the FrontBuffer, assume no double buffering to begin with.
-    VideoInterface.DefaultBuffer:= @VideoInterface.FrontBuffer;
-
-    { Set the draw routines to point to dummy/empty routines.
-      Calls will still succeed but do nothing until a driver has registered. }
-    VideoInterface.DrawRoutines.DrawPixel:= @dummyFDrawPixel;
-    VideoInterface.DrawRoutines.Flush:= @basicFFlush;
-    VideoInterface.DrawRoutines.DrawLine:= @basicFDrawLine;
-    VideoInterface.DrawRoutines.DrawRect:= @basicFDrawRect;
-    VideoInterface.DrawRoutines.FillRect:= @basicFFillRect;
-
-    //Initialize our 'DriverMap', a hashmap of loadable display drivers.
-    DriverMap:= hashmap.new;
-
-    tracer.push_trace('video.init.exit');
-end;
-
-function register(DriverIdentifier : pchar; EnableCallback : FEnableDriver) : boolean;
-var
-    Value : Void;
-
-begin
-    tracer.push_trace('video.register.enter');
-    register:= false;
-    Value:= Hashmap.get(DriverMap, DriverIdentifier);
-    if (Value = nil) then begin
-        Hashmap.add(DriverMap, DriverIdentifier, void(EnableCallback));
-        register:= true;
-    end;
-    tracer.push_trace('video.register.exit');
-end;
-
-function enable(DriverIdentifier : pchar) : boolean;
-var
-    Value : Void;
-
-begin
-    tracer.push_trace('video.enable.enter');
-    enable:= false;
-    Value:= Hashmap.get(DriverMap, DriverIdentifier);
-    if (Value <> nil) then begin
-        enable:= FEnableDriver(Value)(@VideoInterface);
-    end;
-    tracer.push_trace('video.enable.exit');
-end;
-
-procedure DrawPixel(X : uint32; Y : uint32; Pixel : TRGB32);
-begin
-    //tracer.push_trace('video.DrawPixel.enter');
-    VideoInterface.DrawRoutines.DrawPixel(VideoInterface.DefaultBuffer, X, Y, Pixel);
-    //tracer.push_trace('video.DrawPixel.exit');
-end;
-
-procedure Flush();
-begin
-    //tracer.push_trace('video.Flush.enter');
-    VideoInterface.DrawRoutines.Flush(@VideoInterface.FrontBuffer, @VideoInterface.BackBuffer);
-    //tracer.push_trace('video.Flush.exit');
-end;
-
-procedure DrawLine(x1,y1,x2,y2 : uint32; thickness : uint32; Color : TRGB32);
-begin
-    VideoInterface.DrawRoutines.DrawLine(VideoInterface.DefaultBuffer,x1,y1,x2,y2,thickness,Color);
-end;
-
-procedure DrawRect(x1,y1,x2,y2 : uint32; line_thickness : uint32; Color : TRGB32);
-begin
-    VideoInterface.DrawRoutines.DrawRect(VideoInterface.DefaultBuffer,x1,y1,x2,y2,line_thickness,color);
-end;
-
-procedure FillRect(x1,y1,x2,y2 : uint32; line_thickness : uint32; Line_Color : TRGB32; Fill_Color : TRGB32);
-begin
-    VideoInterface.DrawRoutines.FillRect(VideoInterface.DefaultBuffer,x1,y1,x2,y2,line_thickness,Line_Color,Fill_Color);
-end;
-
-function frontBufferWidth : uint32;
-begin
-    frontBufferWidth:= VideoInterface.FrontBuffer.Width;
-end;
-
-function frontBufferHeight : uint32;
-begin
-    frontBufferHeight:= VideoInterface.FrontBuffer.Height;
-end;
-
-function frontBufferBpp : uint8;
-begin
-    frontBufferBpp:= VideoInterface.FrontBuffer.BitsPerPixel;
-end;
-
-function backBufferWidth : uint32;
-begin
-    backBufferWidth:= VideoInterface.BackBuffer.Width;
-end;
-
-function backBufferHeight : uint32;
-begin
-    backBufferHeight:= VideoInterface.BackBuffer.Height;
-end;
-
-function backBufferBpp : uint8;
-begin
-    backBufferBpp:= VideoInterface.BackBuffer.BitsPerPixel;
-end;
-
-end.

src/driver/video/videotypes.pas

@@ -1,92 +0,0 @@
-//  Copyright 2021 Kieron Morris
-//
-//  Licensed under the Apache License, Version 2.0 (the "License");
-//  you may not use this file except in compliance with the License.
-//  You may obtain a copy of the License at
-//
-//  http://www.apache.org/licenses/LICENSE-2.0
-//
-//  Unless required by applicable law or agreed to in writing, software
-//  distributed under the License is distributed on an "AS IS" BASIS,
-//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-//  See the License for the specific language governing permissions and
-//  limitations under the License.
-
-{ 
-	Driver->Video->Videotypes - Provides types relating to the video framework & driver interface.
-	
-	@author(Kieron Morris <kjm@kieronmorris.me>)
-}
-unit videotypes;
-
-interface
-
-uses
-    color;
-
-type
-    //Arbitrary pointer to a raw video buffer in memory
-    VideoBuffer = uint32;
-
-    //Struct representing a Memory Mapped Video Buffer
-    TVideoBuffer = record
-        //Has this buffer been initialized? Has it been paged/created in memory?
-        Initialized     : Boolean;
-        //Location of the video buffer in memory as a QWORD.
-        Location        : VideoBuffer;
-        //How many bits per pixel?
-        BitsPerPixel    : uint8;
-        //Width of the buffer.
-        Width           : uint32;
-        //Height of the buffer.
-        Height          : uint32;
-    end;
-    //Pointer to a video buffer
-    PVideoBuffer = ^TVideoBuffer;
-
-    //(Abstract) Draw a pixel to screenspace
-    FDrawPixel = procedure(Buffer : PVideoBuffer; X : uint32; Y : uint32; Pixel : TRGB32);
-    //(Abstract) Flush backbuffer to MMIO Buffer
-    FFlush     = procedure(FrontBuffer : PVideoBuffer; BackBuffer : PVideoBuffer);
-    //(Abstract) Draw a line to the screen
-    FDrawLine = procedure(Buffer : PVideoBuffer; x1,y1,x2,y2 : uint32; thickness : uint32; Color : TRGB32);
-    //(Abstract) Draw a rect to the screen
-    FDrawRect = procedure(Buffer : PVideoBuffer; x1,y1,x2,y2 : uint32; line_thickness : uint32; Color : TRGB32);
-    //(Abstract) Draw a filled rect to the screen
-    FFillRect = procedure(Buffer : PVideoBuffer; x1,y1,x2,y2 : uint32; line_thickness : uint32; Line_Color : TRGB32; Fill_Color : TRGB32);
-
-    //Routines for drawing to the screen
-    TDrawRoutines = record
-        DrawPixel : FDrawPixel;
-        Flush     : FFlush;
-        DrawLine  : FDrawLine;
-        DrawRect  : FDrawRect;
-        FillRect  : FFillRect;
-    end;
-    //Pointer to drawing routines
-    PDrawRoutines = ^TDrawRoutines;
-
-    //Struct representing the whole video driver.
-    TVideoInterface = record
-        //Default buffer to be used when rendering, front buffer for no double buffering, back buffer otherwise.
-        DefaultBuffer   : PVideoBuffer;
-        //Memory Mapped IO Buffer for raw rasterization.
-        FrontBuffer     : TVideoBuffer;
-        //Back buffer used for double buffering, this is flushed to FrontBuffer with flush();
-        BackBuffer      : TVideoBuffer;
-        //Drawing Routines
-        DrawRoutines    : TDrawRoutines;
-    end;
-    //Pointer to a video interface struct.
-    PVideoInterface = ^TVideoInterface;
-
-    //(Abstract) Enable method for a driver, called from video to enable driver.
-    FEnableDriver = function(VideoInterface : PVideoInterface) : boolean;
-    //(Abstract) Register driver, called from a driver to register with the video interface.
-    FRegisterDriver = function(DriverIdentifier : pchar; EnableCallback : FEnableDriver) : boolean;
-    //(Abstract) Init driver, called from _somewhere_ to start the driver and register it with the video interface.
-    FInitDriver = procedure(Register : FRegisterDriver);
-
-implementation
-
-end.

src/include/color.pas

@@ -1,63 +0,0 @@
-//  Copyright 2021 Kieron Morris
-//
-//  Licensed under the Apache License, Version 2.0 (the "License");
-//  you may not use this file except in compliance with the License.
-//  You may obtain a copy of the License at
-//
-//  http://www.apache.org/licenses/LICENSE-2.0
-//
-//  Unless required by applicable law or agreed to in writing, software
-//  distributed under the License is distributed on an "AS IS" BASIS,
-//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-//  See the License for the specific language governing permissions and
-//  limitations under the License.
-
-{ 
-	Include->Color - Provides types relating to color/graphics.
-	
-	@author(Kieron Morris <kjm@kieronmorris.me>)
-}
-unit color;
-
-interface
-
-type
-    TRGB32 = bitpacked record
-        B : uint8;
-        G : uint8;
-        R : uint8;
-        A : uint8;
-    end;
-    PRGB32 = ^TRGB32;
-
-    TRGB24 = bitpacked record
-        B : uint8;
-        G : uint8;
-        R : uint8;
-    end;
-    PRGB23 = ^TRGB24;
-
-    TRGB16 = bitpacked record
-        B : UBit5;
-        G : UBit6;
-        R : UBit5;
-    end;
-    PRGB16 = ^TRGB16;
-
-    TRGB8 = bitpacked record
-        B : UBit2;
-        G : UBit4;
-        R : UBit2;
-    end;
-    PRGB8 = ^TRGB8;
-
-const
-    black : TRGB32 = (B: 000; G: 000; R: 000; A: 000);
-    white : TRGB32 = (B: 255; G: 255; R: 255; A: 000);
-    red   : TRGB32 = (B: 000; G: 000; R: 255; A: 000);
-    green : TRGB32 = (B: 000; G: 255; R: 000; A: 000);
-    blue  : TRGB32 = (B: 255; G: 000; R: 000; A: 000);
-
-implementation
-
-end.

src/include/targa.pas

@@ -1,67 +0,0 @@
-unit targa;
-
-interface
-
-uses
-    lmemorymanager, texture;
-
-type
-    TTARGAColor = packed record
-      b, g, r, a: uint8;
-    end;
-    PTARGAColor = ^TTARGAColor;
-
-    TTARGAHeader = packed record
-        Magic: uint8;
-        ColorMapType: uint8;
-        ImageType: uint8;
-        ColorMapOrigin: uint16;
-        ColorMapLength: uint16;
-        ColorMapDepth: uint8;
-        XOrigin: uint16;
-        YOrigin: uint16;
-        Width: uint16;
-        Height: uint16;
-        PixelDepth: uint8;
-        ImageDescriptor: uint8;
-        Data : PTARGAColor;
-    end;
-    PTARGAHeader = ^TTARGAHeader;
-
-Function Parse(buffer : puint8; len : uint32) : PTexture;
-
-implementation
-
-Function Parse(buffer : puint8; len : uint32) : PTexture;
-var
-    header : PTARGAHeader;
-    i, j : uint32;
-    data : PTARGAColor;
-    tex : PTexture;
-
-begin
-    if (len < sizeof(TTARGAHeader)) then exit;
-
-    header := PTARGAHeader(buffer);
-    if (header^.Magic <> $0) or (header^.ImageType <> 2) or (header^.PixelDepth <> 32) then exit;
-    
-    //Create a new texture
-    tex:= texture.newTexture(header^.Width, header^.Height);
-    tex^.Width:= header^.Width;
-    tex^.Height:= header^.Height;
-    
-    //Copy the data
-    data := PTARGAColor(header^.Data);
-    for i := 0 to header^.Height - 1 do begin
-        for j := 0 to header^.Width - 1 do begin
-            tex^.Pixels[i * header^.Width + j].r := data^.r;
-            tex^.Pixels[i * header^.Width + j].g := data^.g;
-            tex^.Pixels[i * header^.Width + j].b := data^.b;
-            tex^.Pixels[i * header^.Width + j].a := data^.a;
-        end;
-    end;
-
-    Parse := tex;
-end;
-
-end.

src/include/texture.pas

@@ -1,34 +0,0 @@
-unit texture;
-
-interface
-
-uses
-    lmemorymanager, color;
-
-type
-    TTexture = packed record
-        Width  : uint32; 
-        Height : uint32; 
-        Size   : uint32;
-        Pixels : PRGB32;
-    end;
-    PTexture = ^TTexture;
-
-Function newTexture(width, height: uint32): PTexture;
-
-implementation
-
-Function newTexture(width, height: uint32): PTexture;
-var
-    texture: PTexture;
-
-begin
-    texture:= PTexture(kalloc(sizeof(TTexture)));
-    texture^.Pixels:= PRGB32(kalloc(width * height * sizeof(TRGB32)));
-    texture^.Width:= width;
-    texture^.Height:= height;
-    texture^.Size:= width * height;
-    newTexture:= texture;
-end;
-
-end.

src/include/util.pas

@@ -49,7 +49,6 @@ procedure io_wait;
 
 procedure memset(location : uint32; value : uint8; size : uint32);
 procedure memcpy(source : uint32; dest : uint32; size : uint32);
-procedure __SSE_128_memcpy(source : uint32; dest : uint32);
 
 procedure printmemory(source : uint32; length : uint32; col : uint32; delim : PChar; offset_row : boolean);
 procedure printmemoryWND(source : uint32; length : uint32; col : uint32; delim : PChar; offset_row : boolean; WND : HWND);
@@ -81,8 +80,6 @@ function RorDWord(AValue : uint32; Dist : uint8) : uint32;
 
 function MsSinceSystemBoot : uint64;
 
-function abs(x : sint32) : uint32;
-
 var
     endptr : uint32; external name '__end';
     stack  : uint32; external name 'KERNEL_STACK';
@@ -92,15 +89,6 @@ implementation
 uses
     console, RTC, cpu, serial, strings, isr_types;
 
-function abs(x : sint32) : uint32;
-var
-    y : uint32;
-
-begin
-    y:= x SHR 31;
-    abs:= (x XOR y) - y;
-end;
-
 function MsSinceSystemBoot : uint64;
 begin
     MsSinceSystemBoot:= div6432(getTSC, (CPUID.ClockSpeed.Hz div 1000));
@@ -128,14 +116,6 @@ begin
     div6432:= (r0 SHL 32) OR r4;
 end;
 
-procedure __SSE_128_memcpy(source : uint32; dest : uint32); assembler;
-asm
-    MOV EAX, Source
-    MOVAPS XMM1, [EAX]
-    MOV EAX, Dest
-    MOVAPS [EAX], XMM1
-end;
-
 function switchendian16(b : uint16) : uint16;
 begin
     switchendian16:= ((b AND $FF00) SHR 8) OR ((b AND $00FF) SHL 8);

src/kernel.pas

@@ -54,8 +54,7 @@ uses
      base64,
      rand,
      terminal,
-     hashmap, vfs, 
+     hashmap, vfs;
-     video, vesa, doublebuffer, color;
  
 procedure kmain(mbinfo: Pmultiboot_info_t; mbmagic: uint32); stdcall;
  
@@ -125,11 +124,6 @@ var
 
    HM              : PHashMap;
    
-   colour          : TRGB32;
-
-   array1          : Array[0..255] of char;
-   array2          : Array[0..255] of char;
-   
 begin
      { Init the base system unit }
      System.init();
@@ -141,8 +135,6 @@ begin
      multibootinfo:= mbinfo;
      multibootmagic:= mbmagic;
 
-    //video.init();
-
      { Ensure tracer is frozen }
      tracer.freeze();
 
@@ -209,53 +201,6 @@ begin
      { Call Tracer }
      tracer.init();
 
-     video.init();
-     vesa.init(@video.register);
-     doublebuffer.init(@video.register);
-     video.enable('VESA');
-     video.enable('BASIC_DOUBLE_BUFFER');
-     colour:= color.white;
-
-    //  serial.sendHex(uint32(@array1[8]));
-    //  serial.sendHex(uint32(@array2[8]));
-    //  for i:=8 to 23 do begin
-    //     array2[i]:= '?';
-    //  end;
-    //  array2[24]:= #0;
-
-    //  array1[8]:= 'H';
-    //  array1[9]:= 'e';
-    //  array1[10]:= 'l';
-    //  array1[11]:= 'l';
-    //  array1[12]:= 'o';
-    //  array1[13]:= 'w';
-    //  array1[14]:= 'o';
-    //  array1[15]:= 'r';
-    //  array1[16]:= 'l';
-    //  array1[17]:= 'd';
-    //  array1[18]:= '1';
-    //  array1[19]:= '2';
-    //  array1[20]:= '3';
-    //  array1[21]:= '4';
-    //  array1[22]:= '5';
-    //  array1[23]:= '!';
-    //  __SSE_128_memcpy(uint32(@array1[8]), uint32(@array2[8]));
-    //  serial.sendString(pchar(@array2[8]));
-
-     for i:=0 to video.frontBufferWidth-1 do begin
-        for z:=0 to video.frontBufferHeight-1 do begin
-            video.DrawPixel(i, z, colour);
-        end;
-     end;
-
-     video.DrawLine(50,50,100,100,1,color.black);
-     video.DrawRect(50,150,100,200,1,color.black);
-     video.FillRect(50,250,100,300,1,color.black,color.red);
-     video.DrawLine(50,350,100,350,1,color.black);
-     video.Flush();
-
-     while true do begin end;
-
      { VFS Init }
      vfs.init();
 

src/stub/stub.asm

@@ -77,9 +77,9 @@ dd 0
 dd 0
 dd 0
 dd 0
-dd 1600
+dd 1280
-dd 1200
+dd 1024
-dd 32
+dd 16
 
 ;
 ; Entrypoint