912 lines
31 KiB
Plaintext
912 lines
31 KiB
Plaintext
|
////////////////////////////////////////////////////////////////////////////////
|
||
|
|
//
|
||
|
|
// Microsoft Research Singularity
|
||
|
|
//
|
||
|
|
// Copyright (c) Microsoft Corporation. All rights reserved.
|
||
|
|
//
|
||
|
|
// File: Vesa.sg
|
||
|
|
//
|
||
|
|
// Note:
|
||
|
|
//
|
||
|
|
|
||
|
|
using System;
|
||
|
|
using System.Collections;
|
||
|
|
using System.Configuration.Assemblies;
|
||
|
|
using System.Runtime.InteropServices;
|
||
|
|
using System.Runtime.Remoting;
|
||
|
|
using System.Text;
|
||
|
|
using System.Threading;
|
||
|
|
|
||
|
|
using Microsoft.SingSharp;
|
||
|
|
using Microsoft.Contracts;
|
||
|
|
using Microsoft.Singularity;
|
||
|
|
using Microsoft.Singularity.Channels;
|
||
|
|
using Microsoft.Singularity.Extending;
|
||
|
|
using Microsoft.Singularity.Directory;
|
||
|
|
using Microsoft.Singularity.Io;
|
||
|
|
using Microsoft.Singularity.Configuration;
|
||
|
|
|
||
|
|
using Microsoft.Singularity.V1.Services;
|
||
|
|
using Microsoft.Singularity.V1.Threads;
|
||
|
|
using Allocation = Microsoft.Singularity.V1.Services.SharedHeapService.Allocation;
|
||
|
|
|
||
|
|
namespace Microsoft.Singularity.Drivers.Vesa
|
||
|
|
{
|
||
|
|
// create the resource object for CTR to fill in
|
||
|
|
[DriverCategory]
|
||
|
|
[Signature("/pnp/vesa")]
|
||
|
|
internal class VesaResources : DriverCategoryDeclaration
|
||
|
|
{
|
||
|
|
[IoMemoryRange(0, Default = 0xf8000000, Length = 0x300000)]
|
||
|
|
internal IoMemoryRange frameBuffer;
|
||
|
|
|
||
|
|
[ExtensionEndpoint]
|
||
|
|
internal TRef<ExtensionContract.Exp:Start> ec;
|
||
|
|
|
||
|
|
[ServiceEndpoint(typeof(VideoDeviceContract))]
|
||
|
|
internal TRef<ServiceProviderContract.Exp:Start> video;
|
||
|
|
|
||
|
|
[ServiceEndpoint(typeof(ConsoleDeviceContract))]
|
||
|
|
internal TRef<ServiceProviderContract.Exp:Start> console;
|
||
|
|
|
||
|
|
// This should have a custom attribute.
|
||
|
|
internal static VesaResources Values;
|
||
|
|
|
||
|
|
// LTR will create the rest of this class:
|
||
|
|
|
||
|
|
// LTR creates a private constructor so that the app writer can't
|
||
|
|
// instantiate objects of this class
|
||
|
|
private VesaResources()
|
||
|
|
{
|
||
|
|
// endpoint initialization
|
||
|
|
ec = new TRef<ExtensionContract.Exp:Start>
|
||
|
|
((!)(Process.GetStartupEndpoint(0) as ExtensionContract.Exp));
|
||
|
|
video = new TRef<ServiceProviderContract.Exp:Start>
|
||
|
|
((!)(Process.GetStartupEndpoint(1) as ServiceProviderContract.Exp));
|
||
|
|
console = new TRef<ServiceProviderContract.Exp:Start>
|
||
|
|
((!)(Process.GetStartupEndpoint(2) as ServiceProviderContract.Exp));
|
||
|
|
|
||
|
|
// Io Resource initialization
|
||
|
|
IoConfig config = (IoConfig!)IoConfig.GetConfig();
|
||
|
|
|
||
|
|
// dynamic resources
|
||
|
|
frameBuffer = (IoMemoryRange)config.DynamicRanges[0];
|
||
|
|
|
||
|
|
base();
|
||
|
|
}
|
||
|
|
|
||
|
|
static VesaResources()
|
||
|
|
{
|
||
|
|
Values = new VesaResources();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
public class S3Control
|
||
|
|
{
|
||
|
|
private static VesaDevice device;
|
||
|
|
|
||
|
|
public static int Main(String[] args)
|
||
|
|
{
|
||
|
|
ExtensionContract.Exp! ec = VesaResources.Values.ec.Acquire();
|
||
|
|
ServiceProviderContract.Exp! ve = VesaResources.Values.video.Acquire();
|
||
|
|
ServiceProviderContract.Exp! te = VesaResources.Values.console.Acquire();
|
||
|
|
|
||
|
|
// Create the device
|
||
|
|
device = new VesaDevice(VesaResources.Values);
|
||
|
|
device.Initialize();
|
||
|
|
|
||
|
|
// Signal I/O system that we are initialized.
|
||
|
|
ec.SendSuccess();
|
||
|
|
|
||
|
|
// create a set of all client endpoints connected to the video
|
||
|
|
// interface.
|
||
|
|
ESet<VideoDeviceContract.Exp:Ready> vs
|
||
|
|
= new ESet<VideoDeviceContract.Exp:Ready>();
|
||
|
|
// create a set of all client endpoints connected to the text
|
||
|
|
// interface.
|
||
|
|
ESet<ConsoleDeviceContract.Exp:Ready> ts
|
||
|
|
= new ESet<ConsoleDeviceContract.Exp:Ready>();
|
||
|
|
|
||
|
|
try {
|
||
|
|
for (bool run = true; run;) {
|
||
|
|
switch receive {
|
||
|
|
///////////////////////////////////// I/O System Messages.
|
||
|
|
case ec.Shutdown():
|
||
|
|
ec.SendAckShutdown();
|
||
|
|
run = false;
|
||
|
|
break;
|
||
|
|
|
||
|
|
/////////////////////////////// Service Provider Messages.
|
||
|
|
case ve.Connect(candidate):
|
||
|
|
VideoDeviceContract.Exp newClient
|
||
|
|
= candidate as VideoDeviceContract.Exp;
|
||
|
|
if (newClient != null) {
|
||
|
|
newClient.SendSuccess();
|
||
|
|
vs.Add(newClient);
|
||
|
|
ve.SendAckConnect();
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
ve.SendNackConnect(candidate);
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
case te.Connect(candidate):
|
||
|
|
ConsoleDeviceContract.Exp newClient
|
||
|
|
= candidate as ConsoleDeviceContract.Exp;
|
||
|
|
if (newClient != null) {
|
||
|
|
newClient.SendSuccess();
|
||
|
|
ts.Add(newClient);
|
||
|
|
te.SendAckConnect();
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
te.SendNackConnect(candidate);
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
////////////////////////////////// Video Service Messages.
|
||
|
|
case ep.Plot(x, y, color32) in vs:
|
||
|
|
device.Plot(x, y, new RGB(color32));
|
||
|
|
ep.SendAckPlot();
|
||
|
|
vs.Add(ep);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case ep.Fill(x1, y1, x2, y2, color32) in vs:
|
||
|
|
device.Fill(x1, y1, x2, y2, new RGB(color32));
|
||
|
|
ep.SendAckFill();
|
||
|
|
vs.Add(ep);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case ep.BitBltBmp(x, y, buffer) in vs:
|
||
|
|
device.BitBltBmp(x, y, (!)buffer);
|
||
|
|
ep.SendAckBitBltBmp(buffer);
|
||
|
|
vs.Add(ep);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case ep.BitBltPng(x, y, buffer) in vs:
|
||
|
|
device.BitBltPng(x, y, (!)buffer);
|
||
|
|
ep.SendAckBitBltPng(buffer);
|
||
|
|
vs.Add(ep);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case ep.Scroll(x1, y1, x2, y2, dy) in vs:
|
||
|
|
device.Scroll(x1, y1, x2, y2, dy);
|
||
|
|
ep.SendAckScroll();
|
||
|
|
vs.Add(ep);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case ep.ChannelClosed() in vs:
|
||
|
|
Tracing.Log(Tracing.Debug, "Client channel closes.");
|
||
|
|
delete ep;
|
||
|
|
break;
|
||
|
|
|
||
|
|
//////////////////////////////// Console Service Messages.
|
||
|
|
case ep.Clear() in ts:
|
||
|
|
device.Window.Clear();
|
||
|
|
ep.SendAckClear();
|
||
|
|
ts.Add(ep);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case ep.ClearCursorToEndOfLine() in ts:
|
||
|
|
device.Window.ClearCursorToEndOfLine();
|
||
|
|
ep.SendAckClearCursorToEndOfLine();
|
||
|
|
ts.Add(ep);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case ep.Write(buffer, offset, count) in ts:
|
||
|
|
if (offset + count <= buffer.Length) {
|
||
|
|
device.Window.Write(buffer, offset, count);
|
||
|
|
ep.SendAckWrite(buffer);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
ep.SendNakWrite(buffer);
|
||
|
|
}
|
||
|
|
ts.Add(ep);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case ep.PutChar(c) in ts:
|
||
|
|
device.Window.PutChar(c);
|
||
|
|
ep.SendAckPutChar();
|
||
|
|
ts.Add(ep);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case ep.PutCharAt(c, column, row) in ts:
|
||
|
|
if (device.Window.PutCharAt(c, column, row)) {
|
||
|
|
ep.SendAckPutCharAt();
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
ep.SendInvalidPosition();
|
||
|
|
}
|
||
|
|
ts.Add(ep);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case ep.GetDisplayDimensions() in ts:
|
||
|
|
ep.SendDisplayDimensions(device.Window.TextColumns,
|
||
|
|
device.Window.TextRows);
|
||
|
|
ts.Add(ep);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case ep.GetCursorPosition() in ts:
|
||
|
|
ep.SendCursorPosition(device.Window.TextColumn,
|
||
|
|
device.Window.TextRow);
|
||
|
|
ts.Add(ep);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case ep.SetCursorPosition(int column, int row) in ts:
|
||
|
|
if (device.Window.SetTextCursor(column, row)) {
|
||
|
|
ep.SendAckSetCursorPosition();
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
ep.SendInvalidPosition();
|
||
|
|
}
|
||
|
|
ts.Add(ep);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case ep.SetCursorSize(cursorSize) in ts:
|
||
|
|
ep.SendNotSupported();
|
||
|
|
ts.Add(ep);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case ep.CursorFlash() in ts:
|
||
|
|
device.Window.CursorFlash();
|
||
|
|
ep.SendAckCursorFlash();
|
||
|
|
ts.Add(ep); // add client endpoint back into set.
|
||
|
|
break;
|
||
|
|
|
||
|
|
case ep.CursorHide() in ts:
|
||
|
|
device.Window.CursorHide();
|
||
|
|
ep.SendAckCursorHide();
|
||
|
|
ts.Add(ep); // add client endpoint back into set.
|
||
|
|
break;
|
||
|
|
|
||
|
|
case ep.CursorShow() in ts:
|
||
|
|
device.Window.CursorShow();
|
||
|
|
ep.SendAckCursorShow();
|
||
|
|
ts.Add(ep); // add client endpoint back into set.
|
||
|
|
break;
|
||
|
|
|
||
|
|
case ep.ChannelClosed() in ts:
|
||
|
|
Tracing.Log(Tracing.Debug, "Client channel closes.");
|
||
|
|
delete ep;
|
||
|
|
break;
|
||
|
|
|
||
|
|
case unsatisfiable:
|
||
|
|
Tracing.Log(Tracing.Debug, "Unsatisfiable.");
|
||
|
|
run = false;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
finally {
|
||
|
|
Tracing.Log(Tracing.Debug, "Vesa finished message pump.");
|
||
|
|
}
|
||
|
|
|
||
|
|
// Close the device
|
||
|
|
device.Finalize();
|
||
|
|
|
||
|
|
Tracing.Log(Tracing.Audit, "Shutdown");
|
||
|
|
delete ec;
|
||
|
|
delete te;
|
||
|
|
delete ve;
|
||
|
|
vs.Dispose();
|
||
|
|
ts.Dispose();
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
public class VesaDevice
|
||
|
|
{
|
||
|
|
private SvgaWindow console;
|
||
|
|
private bool Ready;
|
||
|
|
|
||
|
|
public const int BytesPerPixel = 2;
|
||
|
|
public const int ScreenWidth = 1024;
|
||
|
|
public const int ScreenStride = BytesPerPixel * ScreenWidth;
|
||
|
|
public const int ScreenHeight = 768;
|
||
|
|
private ushort[]! lineBuffer;
|
||
|
|
private IoMemory! screenBuffer; // Screen buffer within PCI-mapped memory.
|
||
|
|
|
||
|
|
internal VesaDevice(VesaResources! res)
|
||
|
|
{
|
||
|
|
// Allow access to first 2MB for device's memory.
|
||
|
|
screenBuffer = (!)res.frameBuffer.MemoryAtOffset(0, 0x180000, Access.ReadWrite);
|
||
|
|
|
||
|
|
#if DONT
|
||
|
|
DebugStub.WriteLine("Vesa linear buffer at {0:x}",
|
||
|
|
__arglist((uint)screenBuffer.PhysicalAddress.Value));
|
||
|
|
#endif
|
||
|
|
|
||
|
|
lineBuffer = new ushort [2048];
|
||
|
|
|
||
|
|
base();
|
||
|
|
|
||
|
|
Ready = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
public void Initialize()
|
||
|
|
{
|
||
|
|
#if DONT
|
||
|
|
DebugStub.Print("Initializing S3 Display\n");
|
||
|
|
#endif
|
||
|
|
|
||
|
|
Fill(0, 0, ScreenWidth - 1, ScreenHeight - 1, RGB.Black);
|
||
|
|
|
||
|
|
console = new SvgaWindow(this, 12, 12, ScreenWidth - 13, ScreenHeight - 13);
|
||
|
|
|
||
|
|
console.Write("Singularity VESA Driver\n");
|
||
|
|
console.Write("");
|
||
|
|
console.Write("");
|
||
|
|
console.Write("");
|
||
|
|
}
|
||
|
|
|
||
|
|
public SvgaWindow! Window
|
||
|
|
{
|
||
|
|
get { return console; }
|
||
|
|
}
|
||
|
|
|
||
|
|
public void Finalize()
|
||
|
|
{
|
||
|
|
Ready = false;
|
||
|
|
}
|
||
|
|
|
||
|
|
public void Plot(int x, int y, RGB color)
|
||
|
|
{
|
||
|
|
if (!Ready) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
int offset = y * ScreenStride + x * BytesPerPixel;
|
||
|
|
|
||
|
|
// The read triggers the latch register.
|
||
|
|
screenBuffer.Write16(offset, (ushort)color);
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
public void Fill(int x1, int y1, int x2, int y2, RGB color)
|
||
|
|
{
|
||
|
|
if (!Ready) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (x1 < 0 || x1 >= ScreenWidth ||
|
||
|
|
x2 < 0 || x2 >= ScreenWidth ||
|
||
|
|
y1 < 0 || y1 >= ScreenHeight ||
|
||
|
|
y2 < 0 || y2 >= ScreenHeight)
|
||
|
|
{
|
||
|
|
|
||
|
|
throw new OverflowException("Draw bounds invalid.");
|
||
|
|
}
|
||
|
|
|
||
|
|
ushort clr = (ushort)color;
|
||
|
|
int pDst = y1 * ScreenStride + x1 * BytesPerPixel;
|
||
|
|
for (int y = y1; y <= y2; y++) {
|
||
|
|
screenBuffer.Write16(pDst, clr, x2 - x1 + 1);
|
||
|
|
pDst += ScreenStride;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
public void BitBltChr(int x, int y, int width, int height,
|
||
|
|
byte[]! buffer, int offset, int ScanWidth,
|
||
|
|
RGB color, RGB background)
|
||
|
|
{
|
||
|
|
if (!Ready) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
ushort clr = (ushort)color;
|
||
|
|
ushort bkg = (ushort)background;
|
||
|
|
|
||
|
|
int pSrc = offset;
|
||
|
|
int pDst = (y + height - 1) * ScreenStride + x * BytesPerPixel;
|
||
|
|
|
||
|
|
for (int j = 0; j < height; j++) {
|
||
|
|
int pSrcTemp = pSrc;
|
||
|
|
|
||
|
|
for (int i = 0; i < width;) {
|
||
|
|
byte b = buffer[pSrcTemp++];
|
||
|
|
|
||
|
|
lineBuffer[i++] = ((b & 0x80) != 0) ? clr : bkg;
|
||
|
|
lineBuffer[i++] = ((b & 0x40) != 0) ? clr : bkg;
|
||
|
|
lineBuffer[i++] = ((b & 0x20) != 0) ? clr : bkg;
|
||
|
|
lineBuffer[i++] = ((b & 0x10) != 0) ? clr : bkg;
|
||
|
|
lineBuffer[i++] = ((b & 0x08) != 0) ? clr : bkg;
|
||
|
|
lineBuffer[i++] = ((b & 0x04) != 0) ? clr : bkg;
|
||
|
|
lineBuffer[i++] = ((b & 0x02) != 0) ? clr : bkg;
|
||
|
|
lineBuffer[i++] = ((b & 0x01) != 0) ? clr : bkg;
|
||
|
|
}
|
||
|
|
screenBuffer.Write16(pDst, lineBuffer, 0, width);
|
||
|
|
|
||
|
|
pSrc += ScanWidth;
|
||
|
|
pDst -= ScreenStride;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
private void BitBlt24(int x, int y, int width, int height,
|
||
|
|
byte[]! in ExHeap buffer, int offset, int ScanWidth)
|
||
|
|
|
||
|
|
{
|
||
|
|
int pDst = (y + height - 1) * ScreenStride + x * BytesPerPixel;
|
||
|
|
int pSrc = offset;
|
||
|
|
byte[] raw = new byte[ScanWidth];
|
||
|
|
|
||
|
|
for (int j = 0; j < height; j++) {
|
||
|
|
int pRaw = 0;
|
||
|
|
|
||
|
|
// Decompress first
|
||
|
|
while (pRaw < ScanWidth) {
|
||
|
|
ushort len = (ushort)(buffer[pSrc] + ((ushort)buffer[pSrc+1] << 8));
|
||
|
|
pSrc += 2;
|
||
|
|
|
||
|
|
short val = unchecked((short)len);
|
||
|
|
if (val < 0) {
|
||
|
|
for (int i = 0; i > val; i--) {
|
||
|
|
raw[pRaw++] = buffer[pSrc+0];
|
||
|
|
raw[pRaw++] = buffer[pSrc+1];
|
||
|
|
raw[pRaw++] = buffer[pSrc+2];
|
||
|
|
}
|
||
|
|
pSrc += 3;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
for (int i = 0; i < val; i++) {
|
||
|
|
raw[pRaw++] = buffer[pSrc++];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Now draw the decompressed bits.
|
||
|
|
pRaw = 0;
|
||
|
|
for (int i = 0; i < width;) {
|
||
|
|
lineBuffer[i++] = RGB.Compute16(raw[pRaw+2],
|
||
|
|
raw[pRaw+1],
|
||
|
|
raw[pRaw+0]);
|
||
|
|
pRaw += 3;
|
||
|
|
}
|
||
|
|
|
||
|
|
screenBuffer.Write16(pDst, lineBuffer, 0, width);
|
||
|
|
|
||
|
|
pDst -= ScreenStride;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private void BitBlt8(int x, int y, int width, int height,
|
||
|
|
byte[]! in ExHeap buffer, int offset, int ScanWidth,
|
||
|
|
ushort[]! palette)
|
||
|
|
{
|
||
|
|
int pDst = (y + height - 1) * ScreenStride + x * BytesPerPixel;
|
||
|
|
int pSrc = offset;
|
||
|
|
|
||
|
|
for (int j = 0; j < height; j++) {
|
||
|
|
int pSrcTemp = pSrc;
|
||
|
|
|
||
|
|
for (int i = 0; i < width;) {
|
||
|
|
lineBuffer[i++] = palette[buffer[pSrcTemp++]];
|
||
|
|
}
|
||
|
|
screenBuffer.Write16(pDst, lineBuffer, 0, width);
|
||
|
|
|
||
|
|
pSrc += ScanWidth;
|
||
|
|
pDst -= ScreenStride;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private void BitBlt4(int x, int y, int width, int height,
|
||
|
|
byte[]! in ExHeap buffer, int offset, int ScanWidth,
|
||
|
|
ushort[]! palette)
|
||
|
|
{
|
||
|
|
int pDst = (y + height - 1) * ScreenStride + x * BytesPerPixel;
|
||
|
|
int pSrc = offset;
|
||
|
|
|
||
|
|
for (int j = 0; j < height; j++) {
|
||
|
|
int pSrcTemp = pSrc;
|
||
|
|
|
||
|
|
for (int i = 0; i < width;) {
|
||
|
|
byte b = buffer[pSrcTemp++];
|
||
|
|
|
||
|
|
lineBuffer[i++] = palette[b >> 4];
|
||
|
|
lineBuffer[i++] = palette[b & 0xf];
|
||
|
|
}
|
||
|
|
screenBuffer.Write16(pDst, lineBuffer, 0, width);
|
||
|
|
|
||
|
|
pSrc += ScanWidth;
|
||
|
|
pDst -= ScreenStride;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
public void BitBlt1(int x, int y, int width, int height,
|
||
|
|
byte[]! in ExHeap buffer, int offset, int ScanWidth,
|
||
|
|
RGB color, RGB background)
|
||
|
|
{
|
||
|
|
if (!Ready) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
ushort clr = (ushort)color;
|
||
|
|
ushort bkg = (ushort)background;
|
||
|
|
|
||
|
|
int pSrc = offset;
|
||
|
|
int pDst = (y + height - 1) * ScreenStride + x * BytesPerPixel;
|
||
|
|
|
||
|
|
for (int j = 0; j < height; j++) {
|
||
|
|
int pSrcTemp = pSrc;
|
||
|
|
|
||
|
|
for (int i = 0; i < width;) {
|
||
|
|
byte b = buffer[pSrcTemp++];
|
||
|
|
|
||
|
|
lineBuffer[i++] = ((b & 0x80) != 0) ? clr : bkg;
|
||
|
|
lineBuffer[i++] = ((b & 0x40) != 0) ? clr : bkg;
|
||
|
|
lineBuffer[i++] = ((b & 0x20) != 0) ? clr : bkg;
|
||
|
|
lineBuffer[i++] = ((b & 0x10) != 0) ? clr : bkg;
|
||
|
|
lineBuffer[i++] = ((b & 0x08) != 0) ? clr : bkg;
|
||
|
|
lineBuffer[i++] = ((b & 0x04) != 0) ? clr : bkg;
|
||
|
|
lineBuffer[i++] = ((b & 0x02) != 0) ? clr : bkg;
|
||
|
|
lineBuffer[i++] = ((b & 0x01) != 0) ? clr : bkg;
|
||
|
|
}
|
||
|
|
screenBuffer.Write16(pDst, lineBuffer, 0, width);
|
||
|
|
|
||
|
|
pSrc += ScanWidth;
|
||
|
|
pDst -= ScreenStride;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
public void BitBltBmp(int x, int y, byte[]! in ExHeap buffer)
|
||
|
|
{
|
||
|
|
if (!Ready) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
try {
|
||
|
|
BITMAPFILEHEADER bfh;
|
||
|
|
BITMAPINFOHEADER bih;
|
||
|
|
int lDelta;
|
||
|
|
int cbScanLine;
|
||
|
|
int used;
|
||
|
|
int offset = 0;
|
||
|
|
|
||
|
|
bfh = BITMAPFILEHEADER.Read(buffer, offset, out used);
|
||
|
|
bih = BITMAPINFOHEADER.Read(buffer, used, out used);
|
||
|
|
RGB[] Palette = bih.ReadPalette(buffer, used, out used);
|
||
|
|
|
||
|
|
if (bih.biWidth == 0 || bih.biHeight == 0) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (x < 0) {
|
||
|
|
x = ScreenWidth + x - bih.biWidth;
|
||
|
|
}
|
||
|
|
if (y < 0) {
|
||
|
|
y = ScreenHeight + y - bih.biHeight;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (x < 0 || x + bih.biWidth > ScreenWidth ||
|
||
|
|
y < 0 || y + bih.biHeight > ScreenHeight)
|
||
|
|
{
|
||
|
|
|
||
|
|
throw new OverflowException("Draw bounds invalid.");
|
||
|
|
}
|
||
|
|
|
||
|
|
offset = offset + bfh.bfOffBits;
|
||
|
|
used = offset;
|
||
|
|
|
||
|
|
ushort[] palette = null;
|
||
|
|
|
||
|
|
if (Palette != null) {
|
||
|
|
palette = new ushort [Palette.Length];
|
||
|
|
for (int i = 0; i < Palette.Length; i++) {
|
||
|
|
palette[i] = (ushort)Palette[i];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Make sure this is a 1bpp, 4bpp, or 8bpp bitmap.
|
||
|
|
//
|
||
|
|
|
||
|
|
if (bih.biPlanes != 1) {
|
||
|
|
DebugStub.Print("biPlanes != 1");
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
cbScanLine = (((bih.biWidth * bih.biBitCount) + 31) & ~31) / 8;
|
||
|
|
|
||
|
|
if (bih.biHeight < 0) {
|
||
|
|
DebugStub.Print("bih.biHeight = {0} < 0\n",
|
||
|
|
__arglist(bih.biHeight));
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
#if DONT
|
||
|
|
if (used + cbScanLine * bih.biHeight > buffer.Length) {
|
||
|
|
DebugStub.Print("{0} + {1} * {2} = {3} > {4}\n",
|
||
|
|
__arglist(used,
|
||
|
|
cbScanLine,
|
||
|
|
bih.biHeight,
|
||
|
|
used + cbScanLine * bih.biHeight,
|
||
|
|
buffer.Length));
|
||
|
|
|
||
|
|
throw new OverflowException("Bitmap invalid.");
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
if (bih.biBitCount == 1) {
|
||
|
|
BitBlt1(x, y, bih.biWidth, bih.biHeight, buffer, offset, cbScanLine,
|
||
|
|
RGB.White, RGB.Black);
|
||
|
|
}
|
||
|
|
else if (bih.biBitCount == 4) {
|
||
|
|
assert palette != null;
|
||
|
|
BitBlt4(x, y, bih.biWidth, bih.biHeight, buffer, offset, cbScanLine,
|
||
|
|
palette);
|
||
|
|
}
|
||
|
|
else if (bih.biBitCount == 8) {
|
||
|
|
assert palette != null;
|
||
|
|
BitBlt8(x, y, bih.biWidth, bih.biHeight, buffer, offset, cbScanLine,
|
||
|
|
palette);
|
||
|
|
}
|
||
|
|
else if (bih.biBitCount == 24) {
|
||
|
|
BitBlt24(x, y, bih.biWidth, bih.biHeight, buffer, offset, cbScanLine);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
//
|
||
|
|
// We don't support this type of bitmap.
|
||
|
|
//
|
||
|
|
DebugStub.Print("((bih.biBitCount * bih.biPlanes) <= 4");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
catch (Exception e) {
|
||
|
|
DebugStub.WriteLine("Exception in BitBltBmp: {0}", __arglist(e.ToString()));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
public void BitBltPng(int x, int y, byte[]! in ExHeap buffer)
|
||
|
|
{
|
||
|
|
DebugStub.Print("BitBltPng not supported currently.\n");
|
||
|
|
}
|
||
|
|
|
||
|
|
public void Scroll(int x1, int y1, int x2, int y2, int CharHeight)
|
||
|
|
{
|
||
|
|
if (!Ready) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (x1 < 0 || x1 >= ScreenWidth ||
|
||
|
|
x2 < 0 || x2 >= ScreenWidth ||
|
||
|
|
y1 < 0 || y1 >= ScreenHeight ||
|
||
|
|
y2 < 0 || y2 >= ScreenHeight ||
|
||
|
|
y2 - y1 < CharHeight)
|
||
|
|
{
|
||
|
|
|
||
|
|
throw new OverflowException("Draw bounds invalid.");
|
||
|
|
}
|
||
|
|
|
||
|
|
int width = x2 - x1 + 1;
|
||
|
|
int pDst = y1 * ScreenStride + x1 * BytesPerPixel;
|
||
|
|
int pSrc = pDst + ScreenStride * CharHeight;
|
||
|
|
|
||
|
|
for (int i = y1; i <= y2 - CharHeight; i++) {
|
||
|
|
screenBuffer.Copy16(pSrc, pDst, width);
|
||
|
|
|
||
|
|
pDst += ScreenStride;
|
||
|
|
pSrc += ScreenStride;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
public class SvgaWindow
|
||
|
|
{
|
||
|
|
private readonly VesaDevice screen;
|
||
|
|
private readonly int regionLeft;
|
||
|
|
private readonly int regionTop;
|
||
|
|
private readonly int regionRight;
|
||
|
|
private readonly int regionBottom;
|
||
|
|
|
||
|
|
private int cursorX = 0;
|
||
|
|
private int cursorY = 0;
|
||
|
|
private bool cursorVisible = true;
|
||
|
|
private bool cursorView = true;
|
||
|
|
private RGB foreColor = RGB.White;
|
||
|
|
private RGB backColor = RGB.Black;
|
||
|
|
|
||
|
|
public const int FONT_HEIGHT = 12;
|
||
|
|
public const int FONT_WIDTH = 8;
|
||
|
|
|
||
|
|
[NotDelayed]
|
||
|
|
public SvgaWindow(VesaDevice! screen, int x1, int y1, int x2, int y2)
|
||
|
|
requires x1 < x2 && y1 < y2;
|
||
|
|
{
|
||
|
|
this.screen = screen;
|
||
|
|
|
||
|
|
regionLeft = x1;
|
||
|
|
regionTop = y1;
|
||
|
|
regionRight = x2;
|
||
|
|
regionBottom = y2;
|
||
|
|
|
||
|
|
cursorX = regionLeft;
|
||
|
|
cursorY = regionTop;
|
||
|
|
|
||
|
|
screen.Fill(regionLeft, regionTop, regionRight, regionBottom, backColor);
|
||
|
|
}
|
||
|
|
|
||
|
|
public void Initialize()
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
public void Finalize()
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
public void SetTextColor(RGB color, RGB background)
|
||
|
|
{
|
||
|
|
foreColor = color;
|
||
|
|
backColor = background;
|
||
|
|
}
|
||
|
|
|
||
|
|
public int TextColumn
|
||
|
|
{
|
||
|
|
get { return (cursorX - regionLeft) / FONT_WIDTH; }
|
||
|
|
}
|
||
|
|
|
||
|
|
public int TextRow
|
||
|
|
{
|
||
|
|
get { return (cursorY - regionTop) / FONT_HEIGHT; }
|
||
|
|
}
|
||
|
|
|
||
|
|
public bool SetTextCursor(int column, int row)
|
||
|
|
{
|
||
|
|
if (column >= 0 && column < TextColumns &&
|
||
|
|
row >= 0 && row < TextRows) {
|
||
|
|
bool wasVisible = cursorVisible;
|
||
|
|
CursorHide();
|
||
|
|
cursorX = regionLeft + column * FONT_WIDTH;
|
||
|
|
cursorY = regionTop + row * FONT_HEIGHT;
|
||
|
|
if (wasVisible) {
|
||
|
|
CursorShow();
|
||
|
|
}
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
public int TextColumns
|
||
|
|
{
|
||
|
|
get { return (regionRight - regionLeft) / FONT_WIDTH; }
|
||
|
|
}
|
||
|
|
|
||
|
|
public int TextRows
|
||
|
|
{
|
||
|
|
get { return (regionBottom - regionTop) / FONT_HEIGHT; }
|
||
|
|
}
|
||
|
|
|
||
|
|
private void DrawCursor()
|
||
|
|
{
|
||
|
|
cursorView = true;
|
||
|
|
CursorFlash();
|
||
|
|
}
|
||
|
|
|
||
|
|
public void CursorHide()
|
||
|
|
{
|
||
|
|
cursorView = false;
|
||
|
|
CursorFlash();
|
||
|
|
cursorVisible = false;
|
||
|
|
}
|
||
|
|
|
||
|
|
public void CursorShow()
|
||
|
|
{
|
||
|
|
cursorVisible = true;
|
||
|
|
DrawCursor();
|
||
|
|
}
|
||
|
|
|
||
|
|
public void CursorFlash()
|
||
|
|
{
|
||
|
|
if (cursorVisible) {
|
||
|
|
int x = cursorX;
|
||
|
|
int y = cursorY;
|
||
|
|
|
||
|
|
if (x + FONT_WIDTH > regionRight) {
|
||
|
|
x -= FONT_WIDTH;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (cursorView) {
|
||
|
|
screen.BitBltChr(x, y, FONT_WIDTH, FONT_HEIGHT,
|
||
|
|
Fonts.FontData, 256 * FONT_HEIGHT, 1, foreColor, backColor);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
screen.BitBltChr(x, y, FONT_WIDTH, FONT_HEIGHT,
|
||
|
|
Fonts.FontData, 32 * FONT_HEIGHT, 1, foreColor, backColor);
|
||
|
|
}
|
||
|
|
cursorView = !cursorView;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
public void Clear()
|
||
|
|
{
|
||
|
|
screen.Fill(regionLeft, regionTop, regionRight, regionBottom, backColor);
|
||
|
|
cursorX = regionLeft;
|
||
|
|
cursorY = regionTop;
|
||
|
|
DrawCursor();
|
||
|
|
}
|
||
|
|
|
||
|
|
public void ClearCursorToEndOfLine()
|
||
|
|
{
|
||
|
|
screen.Fill(cursorX, cursorY,
|
||
|
|
regionRight, cursorY + FONT_HEIGHT,
|
||
|
|
backColor);
|
||
|
|
}
|
||
|
|
|
||
|
|
public void Write(String! s)
|
||
|
|
{
|
||
|
|
for (int i = 0; i < s.Length; i++) {
|
||
|
|
Write((byte)s[i]);
|
||
|
|
}
|
||
|
|
DrawCursor();
|
||
|
|
}
|
||
|
|
|
||
|
|
public void Write(char[]! in ExHeap buffer, int offset, int count)
|
||
|
|
{
|
||
|
|
while (count-- > 0) {
|
||
|
|
Write((byte)buffer[offset++]);
|
||
|
|
}
|
||
|
|
DrawCursor();
|
||
|
|
}
|
||
|
|
|
||
|
|
public void PutChar(char c)
|
||
|
|
{
|
||
|
|
Write((byte)c);
|
||
|
|
DrawCursor();
|
||
|
|
}
|
||
|
|
|
||
|
|
public bool PutCharAt(char c, int column, int row)
|
||
|
|
{
|
||
|
|
if (column >= 0 && column < TextColumns &&
|
||
|
|
row >= 0 && row < TextRows) {
|
||
|
|
screen.BitBltChr(regionLeft + column * FONT_WIDTH,
|
||
|
|
regionTop + row * FONT_HEIGHT,
|
||
|
|
FONT_WIDTH, FONT_HEIGHT,
|
||
|
|
Fonts.FontData, c * FONT_HEIGHT, 1,
|
||
|
|
foreColor, backColor);
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
private void Write(byte c)
|
||
|
|
{
|
||
|
|
switch (c) {
|
||
|
|
|
||
|
|
case (byte)'\n':
|
||
|
|
cursorY += FONT_HEIGHT;
|
||
|
|
cursorX = regionLeft;
|
||
|
|
break;
|
||
|
|
|
||
|
|
case (byte)'\r':
|
||
|
|
screen.Fill(cursorX, cursorY, regionRight,
|
||
|
|
cursorY + FONT_HEIGHT,
|
||
|
|
backColor);
|
||
|
|
cursorX = regionLeft;
|
||
|
|
break;
|
||
|
|
|
||
|
|
case (byte)'\b':
|
||
|
|
CursorHide();
|
||
|
|
cursorX = cursorX - FONT_WIDTH;
|
||
|
|
CursorShow();
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
screen.BitBltChr(cursorX, cursorY, FONT_WIDTH, FONT_HEIGHT,
|
||
|
|
Fonts.FontData, c * FONT_HEIGHT, 1, foreColor, backColor);
|
||
|
|
|
||
|
|
cursorX += FONT_WIDTH;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (cursorX + FONT_WIDTH > regionRight) {
|
||
|
|
cursorY += FONT_HEIGHT;
|
||
|
|
cursorX = regionLeft;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (cursorY + FONT_HEIGHT > regionBottom) {
|
||
|
|
screen.Scroll(regionLeft, regionTop, regionRight, regionBottom,
|
||
|
|
FONT_HEIGHT);
|
||
|
|
cursorY = cursorY - FONT_HEIGHT;
|
||
|
|
screen.Fill(regionLeft, cursorY, regionRight, regionBottom, backColor);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
}
|