public override async Task <GLTexture> ReadTextureAsync(CancellationToken cancelationToken)
{
if (cancelationToken.IsCancellationRequested)
{
return(RaiseTextureReaded(null));
}
BitmapData bmdata = _bitmap.LockBits(new Rectangle(0, 0, _width, _height), ImageLockMode.ReadOnly, _format);
using (DisposableAction unlocker = new DisposableAction(() => _bitmap.UnlockBits(bmdata)))
{
GLTexture texture;
using (GLService.AcquireContext())
texture = new GLTexture(GL.GenTexture(), _width, _height, _format);
using (DisposableAction insurance = new DisposableAction(texture.Dispose))
{
if (cancelationToken.IsCancellationRequested)
{
return(RaiseTextureReaded(null));
}
using (GLService.AcquireContext())
{
GL.BindTexture(TextureTarget.Texture2D, texture.Id);
GL.TexImage2D(TextureTarget.Texture2D, 0, _format, bmdata.Width, bmdata.Height, 0, _format, _format, bmdata.Scan0);
}
//ErrorCode error = GL.GetError();
//if (error != ErrorCode.NoError)
// throw new ArgumentException("Error building TexImage. GL Error: " + error);
_bitmap.UnlockBits(bmdata);
unlocker.Cancel();
if (cancelationToken.IsCancellationRequested)
{
return(RaiseTextureReaded(null));
}
using (GLService.AcquireContext())
{
GL.BindTexture(TextureTarget.Texture2D, texture.Id);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.Linear);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Linear);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapS, (int)TextureWrapMode.Repeat);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapT, (int)TextureWrapMode.Repeat);
}
insurance.Cancel();
}
return(RaiseTextureReaded(texture));
}
}
public byte[] GetManagedPixelsArray(PixelFormatDescriptor format)
{
byte[] result = new byte[Width * Height * format.BytesPerPixel];
using (GLService.AcquireContext())
{
GL.BindTexture(TextureTarget.Texture2D, Id);
GL.GetTexImage(TextureTarget.Texture2D, 0, format, format, result);
return(result);
}
}
public static void SetText(string[] pages)
{
lock (PagesLock)
{
_pages = pages;
int pagesCont = Math.Max(1, _pages == null ? 0 : _pages.Length);
GLService.SetViewportDesiredHeight(pagesCont * GLLocationPageRenderer.ScreenHeight);
}
DrawEvent.Set();
//GLService.InvalidateViewports();
}
public SafeHGlobalHandle GetUnmanagedPixelsArray(PixelFormatDescriptor format)
{
SafeHGlobalHandle result = new SafeHGlobalHandle(Width * Height * format.BytesPerPixel);
using (GLService.AcquireContext())
using (DisposableAction insurance = new DisposableAction(result.Dispose))
{
GL.BindTexture(TextureTarget.Texture2D, Id);
GL.GetTexImage(TextureTarget.Texture2D, 0, format, format, result.DangerousGetHandle());
insurance.Cancel();
}
return(result);
}
public void Write()
{
using (Bitmap bmp = new Bitmap(_texture.Width, _texture.Height, _texture.PixelFormat))
{
BitmapData data = bmp.LockBits(new Rectangle(0, 0, bmp.Width, bmp.Height), ImageLockMode.WriteOnly, _texture.PixelFormat);
using (GLService.AcquireContext())
{
GL.BindTexture(TextureTarget.Texture2D, _texture.Id);
GL.GetTexImage(TextureTarget.Texture2D, 0, _texture.PixelFormat, _texture.PixelFormat, data.Scan0);
}
bmp.UnlockBits(data);
bmp.Save(_filePath, _imageFormat);
}
}
public void Link()
{
using (GLService.AcquireContext())
{
GL.LinkProgram(Id);
int result;
GL.GetProgram(Id, GetProgramParameterName.LinkStatus, out result);
if (result != 1)
{
string logInfo;
GL.GetProgramInfoLog(Id, out logInfo);
throw Exceptions.CreateException("Program {0} log: {1}", Id, logInfo);
}
}
}
public GLPalettedTextureShaderProgram()
{
using (DisposableAction insurance = new DisposableAction(Dispose))
{
using (GLService.AcquireContext())
using (GLShader fs = GLShader.CompileShaderFromSource(FragmentShaderSource, ShaderType.FragmentShader))
using (GLShader vs = GLShader.CompileShaderFromSource(VertexShaderSource, ShaderType.VertexShader))
{
GL.AttachShader(Id, fs.Id);
GL.AttachShader(Id, vs.Id);
Link();
}
insurance.Cancel();
}
}
public static GLShader CompileShaderFromSource(string source, ShaderType type)
{
using (GLService.AcquireContext())
{
int id = GL.CreateShader(type);
GL.ShaderSource(id, source);
string logInfo;
GL.CompileShader(id);
GL.GetShaderInfoLog(id, out logInfo);
if (logInfo.Length > 0 && !logInfo.Contains("hardware"))
{
throw Exceptions.CreateException("Compile shader failed! Log:{0}", logInfo);
}
return(new GLShader(id, type));
}
}
public IDisposable Use(GLTexture texture, GLTexture palette, int paletteIndex)
{
using (GLService.AcquireContext())
{
GL.UseProgram(Id);
GL.Uniform1(GL.GetUniformLocation(Id, "paletteIndex"), paletteIndex);
GL.Uniform1(GL.GetUniformLocation(Id, "palette"), 1);
GL.ActiveTexture(TextureUnit.Texture1);
GL.BindTexture(TextureTarget.Texture2D, palette.Id);
GL.Uniform1(GL.GetUniformLocation(Id, "texture"), 0);
GL.ActiveTexture(TextureUnit.Texture0);
GL.BindTexture(TextureTarget.Texture2D, texture.Id);
}
return(UnuseProgramAction);
}
public void Write()
{
string prefix = Path.ChangeExtension(_generalPath, null) + "_";
using (Bitmap bmp = new Bitmap(_texture.Width, _texture.Height, _texture.PixelFormat))
{
BitmapData data = bmp.LockBits(new Rectangle(0, 0, bmp.Width, bmp.Height), ImageLockMode.WriteOnly, _texture.PixelFormat);
using (GLService.AcquireContext())
{
GL.BindTexture(TextureTarget.Texture2D, _texture.Id);
GL.GetTexImage(TextureTarget.Texture2D, 0, _texture.PixelFormat, _texture.PixelFormat, data.Scan0);
}
bmp.UnlockBits(data);
using (UnmanagedMemoryStream input = data.Scan0.OpenStream(data.Stride * data.Height, FileAccess.Read))
{
for (int i = 0; i < _texture.Height; i++)
{
string filePath = prefix + i.ToString("D2") + ".act";
Write(input, filePath);
}
}
}
}
public void Dispose()
{
using (GLService.AcquireContext())
GL.DeleteTexture(Id);
}
public void Dispose()
{
using (GLService.AcquireContext())
GL.DeleteProgram(Id);
}
public GLShaderProgram()
{
using (GLService.AcquireContext())
Id = GL.CreateProgram();
}
public void Dispose()
{
using (GLService.AcquireContext())
GL.DeleteFramebuffer(Id);
}
public static GLTexture HorizontalJoin(GLTexture left, GLTexture right)
{
Exceptions.CheckArgumentNull(left, "left");
Exceptions.CheckArgumentNull(right, "right");
if (left.Height != right.Height)
{
throw new ArgumentException("height");
}
if (!left.PixelFormat.Equals(right.PixelFormat))
{
throw new ArgumentException("pixelFormat");
}
int height = left.Height;
PixelFormatDescriptor format = left.PixelFormat;
GLTexture texture = null;
try
{
using (GLService.AcquireContext())
{
texture = new GLTexture(GL.GenTexture(), left.Width + right.Width, height, format);
GL.BindTexture(TextureTarget.Texture2D, texture.Id);
GL.TexImage2D(TextureTarget.Texture2D, 0, format, texture.Width, texture.Height, 0, format, format, IntPtr.Zero);
if (GLService.CheckVersion(4, 3))
{
GL.CopyImageSubData(left.Id, ImageTarget.Texture2D, 0, 0, 0, 0, texture.Id, ImageTarget.Texture2D, 0, 0, 0, 0, left.Width, left.Height, 1);
GL.CopyImageSubData(right.Id, ImageTarget.Texture2D, 0, 0, 0, 0, texture.Id, ImageTarget.Texture2D, 0, left.Width, 0, 0, right.Width, right.Height, 1);
}
else
{
using (GLFramebuffer framebuffer = GLFramebuffer.Create())
{
GL.BindFramebuffer(FramebufferTarget.Framebuffer, framebuffer.Id);
GL.FramebufferTexture2D(FramebufferTarget.DrawFramebuffer, FramebufferAttachment.ColorAttachment1, TextureTarget.Texture2D, texture.Id, 0);
GL.FramebufferTexture2D(FramebufferTarget.ReadFramebuffer, FramebufferAttachment.ColorAttachment0, TextureTarget.Texture2D, left.Id, 0);
GL.DrawBuffer(DrawBufferMode.ColorAttachment1);
GL.BlitFramebuffer(0, 0, left.Width, height, 0, 0, left.Width, height, ClearBufferMask.ColorBufferBit, BlitFramebufferFilter.Linear);
GL.FramebufferTexture2D(FramebufferTarget.ReadFramebuffer, FramebufferAttachment.ColorAttachment0, TextureTarget.Texture2D, right.Id, 0);
GL.DrawBuffer(DrawBufferMode.ColorAttachment1);
GL.BlitFramebuffer(0, 0, left.Width, height, left.Width, 0, left.Width * 2, height, ClearBufferMask.ColorBufferBit, BlitFramebufferFilter.Linear);
}
}
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.Linear);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Linear);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapS, (int)TextureWrapMode.Repeat);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapT, (int)TextureWrapMode.Repeat);
}
}
catch
{
texture.SafeDispose();
throw;
}
return(texture);
}
public static void HorizontalSplit(GLTexture layer, out GLTexture leftTexture, out GLTexture rightTexture)
{
Exceptions.CheckArgumentNull(layer, "layer");
if (layer.Width % 2 != 0)
{
throw new ArgumentException("layer.Width");
}
int width = layer.Width / 2;
int height = layer.Height;
PixelFormatDescriptor format = layer.PixelFormat;
leftTexture = null;
rightTexture = null;
try
{
using (GLService.AcquireContext())
{
leftTexture = new GLTexture(GL.GenTexture(), width, height, format);
rightTexture = new GLTexture(GL.GenTexture(), width, height, format);
foreach (GLTexture texture in new[] { leftTexture, rightTexture })
{
GL.BindTexture(TextureTarget.Texture2D, texture.Id);
GL.TexImage2D(TextureTarget.Texture2D, 0, format, width, height, 0, format, format, IntPtr.Zero);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.Linear);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Linear);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapS, (int)TextureWrapMode.Repeat);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapT, (int)TextureWrapMode.Repeat);
}
if (GLService.CheckVersion(4, 3))
{
GL.CopyImageSubData(layer.Id, ImageTarget.Texture2D, 0, 0, 0, 0, leftTexture.Id, ImageTarget.Texture2D, 0, 0, 0, 0, width, height, 1);
GL.CopyImageSubData(layer.Id, ImageTarget.Texture2D, 0, width, 0, 0, rightTexture.Id, ImageTarget.Texture2D, 0, 0, 0, 0, width, height, 1);
}
else
{
using (GLFramebuffer framebuffer = GLFramebuffer.Create())
{
GL.BindFramebuffer(FramebufferTarget.Framebuffer, framebuffer.Id);
GL.FramebufferTexture2D(FramebufferTarget.ReadFramebuffer, FramebufferAttachment.ColorAttachment0, TextureTarget.Texture2D, layer.Id, 0);
GL.FramebufferTexture2D(FramebufferTarget.DrawFramebuffer, FramebufferAttachment.ColorAttachment1, TextureTarget.Texture2D, leftTexture.Id, 0);
GL.DrawBuffer(DrawBufferMode.ColorAttachment1);
GL.BlitFramebuffer(0, 0, width, height, 0, 0, width, height, ClearBufferMask.ColorBufferBit, BlitFramebufferFilter.Linear);
GL.FramebufferTexture2D(FramebufferTarget.DrawFramebuffer, FramebufferAttachment.ColorAttachment1, TextureTarget.Texture2D, rightTexture.Id, 0);
GL.DrawBuffer(DrawBufferMode.ColorAttachment1);
GL.BlitFramebuffer(width, 0, width * 2, height, 0, 0, width, height, ClearBufferMask.ColorBufferBit, BlitFramebufferFilter.Linear);
}
}
}
}
catch
{
leftTexture.SafeDispose();
rightTexture.SafeDispose();
throw;
}
}
