void Initialize()
{
var textureQuality = new TextureQuality()
{
TextureWrapMode = TextureWrapMode.ClampToEdge,
Filtering = TextureFiltering.Nearest,
};
TextureTarget target;
int texID = GL.GenTexture();
var msaa = GL.GetInteger(GetPName.MaxSamples);
if (MSAA < 0)
MSAA = 0;
if (MSAA > msaa)
MSAA = msaa;
switch(MSAA)
{
case 1:
case 2:
case 4:
case 8:
case 16:
case 32:
case 64:
case 128:
case 256:
target = TextureTarget.Texture2DMultisample;
GL.BindTexture(target, texID);
GL.TexImage2DMultisample(TextureTargetMultisample.Texture2DMultisample, MSAA, PixelInternalFormat.Rgba, Width, Height, true);
break;
default:
target = TextureTarget.Texture2D;
GL.BindTexture(target, texID);
GL.TexImage2D(target, 0, PixelInternalFormat.Rgba, Width, Height, 0, PixelFormat.Rgba, PixelType.Byte, IntPtr.Zero);
break;
}
GL.BindTexture(target, 0);
Texture = new Texture(texID, Width, Height, target, PixelInternalFormat.Rgba);
Texture.Quality = textureQuality;
Texture.Bind();
Texture.UpdateQuality();
Texture.UnBind();
/*texture.Bind();
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.GenerateMipmap, 1); // automatic mipmap
texture.UnBind();*/
// create a renderbuffer object to store depth info
GL.GenRenderbuffers(1, out rboId);
GL.BindRenderbuffer(RenderbufferTarget.Renderbuffer, rboId);
if(MSAA > 0)
{
GL.RenderbufferStorageMultisample(RenderbufferTarget.Renderbuffer, MSAA, RenderbufferStorage.DepthComponent32, Width, Height);
}
else
{
GL.RenderbufferStorage(RenderbufferTarget.Renderbuffer, RenderbufferStorage.DepthComponent32, Width, Height);
}
GL.BindRenderbuffer(RenderbufferTarget.Renderbuffer, 0);
// create a framebuffer object
GL.GenFramebuffers(1, out fbo);
GL.BindFramebuffer(FramebufferTarget.Framebuffer, fbo);
// attach the texture to FBO color attachment point
GL.FramebufferTexture2D(FramebufferTarget.Framebuffer, // 1. fbo target: GL_FRAMEBUFFER
FramebufferAttachment.ColorAttachment0, // 2. attachment point
Texture.TextureTarget, // 3. tex target: GL_TEXTURE_2D
Texture.ID, // 4. tex ID
0); // 5. mipmap level: 0(base)
// attach the renderbuffer to depth attachment point
GL.FramebufferRenderbuffer(FramebufferTarget.Framebuffer, // 1. fbo target: GL_FRAMEBUFFER
FramebufferAttachment.DepthAttachment, // 2. attachment point
RenderbufferTarget.Renderbuffer, // 3. rbo target: GL_RENDERBUFFER
rboId); // 4. rbo ID
// check FBO status
var status = GL.CheckFramebufferStatus(FramebufferTarget.Framebuffer);
if (status != FramebufferErrorCode.FramebufferComplete)
{
Complete = false;
Console.WriteLine("ERROR: Can not create framebuffer because " + status.ToString());
}
else
{
Complete = true;
}
// switch back to window-system-provided framebuffer
GL.BindFramebuffer(FramebufferTarget.Framebuffer, 0);
if (!Complete)
return;
var error = GL.GetError();
while(error != ErrorCode.NoError)
{
Debug.WriteLine("Error creating FBO: " + error.ToString());
error = GL.GetError();
}
batch = new VertexBatch();
batch.StartBatch(PrimitiveType.Triangles);
batch.Add(new Vector3(-1, -1, 0)); // Bottom left
batch.Add(new Vector3(1, -1, 0)); // Bottom right
batch.Add(new Vector3(-1, 1, 0)); // Top left
batch.Add(new Vector3(1, -1, 0)); // Bottom right
batch.Add(new Vector3(1, 1, 0)); // Top right
batch.Add(new Vector3(-1, 1, 0)); // Top left
batch.EndBatch();
}
private void MenuImportTexture_Click(object sender, RoutedEventArgs e)
{
//workQueue.Enqueue((bw) =>
//{
// Configure open file dialog box
Microsoft.Win32.OpenFileDialog openDlg = new Microsoft.Win32.OpenFileDialog();
openDlg.FileName = ""; // Default file name
//openDlg.DefaultExt = "*.png,*.jpg,*.bmp"; // Default file extension
openDlg.Filter = "All supported texture files |*.png;*.jpg;*.bmp"; // Filter files by extension
// Show open file dialog box
Nullable<bool> result = openDlg.ShowDialog();
// Process open file dialog box results
if (result != true)
return;
var filename = openDlg.FileName;
var bmp = new Bitmap(filename);
//bw.ReportProgress(33);
settingsDialog = new TextureSettingsWindow();
settingsDialog.TextureWidth = bmp.Width;
settingsDialog.TextureHeight = bmp.Height;
settingsDialog.ShowDialog();
if (!settingsDialog.OKClicked)
return;
var mipmapped = settingsDialog.Mipmapped;
var preMipmapped = mipmapped && settingsDialog.MipmapsSaved;
var compressed = settingsDialog.Compressed;
var compressedSaved = compressed && settingsDialog.CompressionSaved;
var format = (PixelInternalFormat)settingsDialog.PixelInternalFormat;
var filtering = settingsDialog.TextureFiltering;
var pixelFormat = OpenTK.Graphics.OpenGL.PixelFormat.Rgba;
var anisolevel = settingsDialog.AnisoLevel;
switch (format)
{
case PixelInternalFormat.Rgba:
format = compressed ? PixelInternalFormat.CompressedRgbaS3tcDxt5Ext : format;
break;
case PixelInternalFormat.SrgbAlpha:
format = compressed ? PixelInternalFormat.CompressedSrgbAlphaS3tcDxt5Ext : format;
break;
case PixelInternalFormat.Rgb:
pixelFormat = OpenTK.Graphics.OpenGL.PixelFormat.Rgb;
format = compressed ? PixelInternalFormat.CompressedRgbS3tcDxt1Ext : format;
break;
case PixelInternalFormat.Srgb:
pixelFormat = OpenTK.Graphics.OpenGL.PixelFormat.Rgb;
format = compressed ? PixelInternalFormat.CompressedSrgbS3tcDxt1Ext : format;
break;
case PixelInternalFormat.Rg8:
pixelFormat = OpenTK.Graphics.OpenGL.PixelFormat.Rg;
format = compressed ? PixelInternalFormat.CompressedRg : format;
break;
case PixelInternalFormat.R8:
pixelFormat = OpenTK.Graphics.OpenGL.PixelFormat.Red;
format = compressed ? PixelInternalFormat.CompressedRedRgtc1 : format;
break;
}
// Load the texture temporarily in to GPU
Texture texture = new Texture();
texture.Quality = new TextureQuality()
{
Filtering = filtering,
Mipmaps = mipmapped,
PregeneratedMipmaps = false,
TextureWrapMode = OpenTK.Graphics.OpenGL.TextureWrapMode.Clamp,
Anisotrophy = anisolevel,
};
// Set meta settings
var meta = texture.Metadata;
meta.PreMipmapped = false;
meta.Precompressed = false;
meta.PixelFormat = pixelFormat;
meta.PixelInternalFormat = format;
texture.Load(bmp, format);
textures.Insert("tmp", texture);
//bw.ReportProgress(33);
// Apply settings (generate possible mipmaps etc)
texture.UpdateQuality();
GL.GenerateMipmap(GenerateMipmapTarget.Texture2D);
GL.Finish();
meta.PreMipmapped = preMipmapped;
meta.Precompressed = compressedSaved;
meta.Quality.PregeneratedMipmaps = preMipmapped;
//bw.ReportProgress(33);
filename = System.IO.Path.GetFileNameWithoutExtension(filename);
filename += ".tex";
// Configure save file dialog box
Microsoft.Win32.SaveFileDialog saveDlg = new Microsoft.Win32.SaveFileDialog();
saveDlg.FileName = filename; // Default file name
saveDlg.DefaultExt = ".tex"; // Default file extension
saveDlg.Filter = "Hatzap texture files|*.tex"; // Filter files by extension
// Show save file dialog box
result = saveDlg.ShowDialog();
// Process save file dialog box results
if (result == true)
{
// Save document
filename = saveDlg.FileName;
meta.FileName = filename;
textures.Save("tmp", filename);
texture.Release();
textures.Remove("tmp");
}
//bw.ReportProgress(1);
//});
//backgroundWorker.RunWorkerAsync();
}
