protected override void initFbo()
{
if (!GL.IsTexture(tex))
{
tex = new Tetra.Texture(width, height);
}
if (!GL.IsTexture(evenTex))
{
evenTex = new Tetra.Texture(width, height);
}
GL.GenFramebuffers(1, out fbo);
GL.BindFramebuffer(FramebufferTarget.Framebuffer, fbo);
GL.FramebufferTexture2D(FramebufferTarget.Framebuffer, FramebufferAttachment.ColorAttachment0,
TextureTarget.Texture2D, tex, 0);
GL.FramebufferTexture2D(FramebufferTarget.Framebuffer, FramebufferAttachment.ColorAttachment1,
TextureTarget.Texture2D, evenTex, 0);
if (GL.CheckFramebufferStatus(FramebufferTarget.Framebuffer) != FramebufferErrorCode.FramebufferComplete)
{
throw new Exception(GL.CheckFramebufferStatus(FramebufferTarget.Framebuffer).ToString());
}
GL.BindFramebuffer(FramebufferTarget.Framebuffer, 0);
}
protected virtual void configureFbo()
{
Tetra.Texture.DefaultTarget = TextureTarget.Texture2DMultisample;
Tetra.Texture.GenerateMipMaps = false;
colorTex = new Tetra.Texture()
{
Width = CacheSize.Width,
Height = CacheSize.Height,
InternalFormat = PixelInternalFormat.Rgba8,
PixelFormat = PixelFormat.Rgba,
PixelType = PixelType.UnsignedByte,
Samples = Magic.numSamples
}; colorTex.Create();
int depthBuf = GL.GenRenderbuffer();
GL.BindRenderbuffer(RenderbufferTarget.Renderbuffer, depthBuf);
GL.RenderbufferStorageMultisample(RenderbufferTarget.Renderbuffer,
Magic.numSamples, RenderbufferStorage.DepthComponent24, CacheSize.Width, CacheSize.Height);
GL.FramebufferRenderbuffer(FramebufferTarget.Framebuffer, FramebufferAttachment.DepthAttachment,
RenderbufferTarget.Renderbuffer, depthBuf);
GL.FramebufferTexture2D(FramebufferTarget.Framebuffer, FramebufferAttachment.ColorAttachment0,
TextureTarget.Texture2DMultisample, colorTex, 0);
Tetra.Texture.ResetToDefaultLoadingParams();
GL.ActiveTexture(TextureUnit.Texture2);
GL.BindTexture(TextureTarget.Texture2DMultisample, colorTex);
}
void initGridFbo()
{
Tetra.Texture.DefaultMagFilter = TextureMagFilter.Nearest;
Tetra.Texture.DefaultMinFilter = TextureMinFilter.Nearest;
Tetra.Texture.GenerateMipMaps = false;
{
colorTexId = new Tetra.Texture(CacheSize.Width, CacheSize.Height);
selectionTexId = new Tetra.Texture(CacheSize.Width, CacheSize.Height);
}
Tetra.Texture.ResetToDefaultLoadingParams();
// Create Depth Renderbuffer
GL.GenTextures(1, out gridDepthTex);
GL.BindTexture(TextureTarget.Texture2D, gridDepthTex);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.DepthComponent32f, CacheSize.Width, CacheSize.Height, 0, OpenTK.Graphics.OpenGL.PixelFormat.DepthComponent, PixelType.Float, IntPtr.Zero);
// GL.GenerateMipmap(GenerateMipmapTarget.Texture2D);
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.ClampToEdge);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapT, (int)TextureWrapMode.ClampToEdge);
//GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureCompareMode, (int)TextureCompareMode.CompareRToTexture);
//GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureCompareFunc, (int)All.Lequal);
//GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.DepthTextureMode, (int)All.Luminance);
GL.GenFramebuffers(1, out fboGrid);
GL.BindFramebuffer(FramebufferTarget.Framebuffer, fboGrid);
GL.FramebufferTexture2D(FramebufferTarget.Framebuffer, FramebufferAttachment.DepthAttachment,
TextureTarget.Texture2D, gridDepthTex, 0);
GL.FramebufferTexture2D(FramebufferTarget.Framebuffer, FramebufferAttachment.ColorAttachment0,
TextureTarget.Texture2D, colorTexId, 0);
GL.FramebufferTexture2D(FramebufferTarget.Framebuffer, FramebufferAttachment.ColorAttachment1,
TextureTarget.Texture2D, selectionTexId, 0);
GL.DrawBuffers(2, dbe);
if (GL.CheckFramebufferStatus(FramebufferTarget.Framebuffer) != FramebufferErrorCode.FramebufferComplete)
{
throw new Exception(GL.CheckFramebufferStatus(FramebufferTarget.Framebuffer).ToString());
}
GL.BindFramebuffer(FramebufferTarget.Framebuffer, 0);
}
void initGridFbo()
{
Tetra.Texture.DefaultMagFilter = TextureMagFilter.Nearest;
Tetra.Texture.DefaultMinFilter = TextureMinFilter.Nearest;
Tetra.Texture.GenerateMipMaps = false;
{
colorTexId = new Tetra.Texture (CacheSize.Width, CacheSize.Height);
selectionTexId = new Tetra.Texture (CacheSize.Width, CacheSize.Height);
}
Tetra.Texture.ResetToDefaultLoadingParams ();
// Create Depth Renderbuffer
GL.GenTextures(1, out gridDepthTex);
GL.BindTexture(TextureTarget.Texture2D, gridDepthTex);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.DepthComponent32f, CacheSize.Width, CacheSize.Height, 0, OpenTK.Graphics.OpenGL.PixelFormat.DepthComponent, PixelType.Float, IntPtr.Zero);
// GL.GenerateMipmap(GenerateMipmapTarget.Texture2D);
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.ClampToEdge);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapT, (int)TextureWrapMode.ClampToEdge);
//GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureCompareMode, (int)TextureCompareMode.CompareRToTexture);
//GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureCompareFunc, (int)All.Lequal);
//GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.DepthTextureMode, (int)All.Luminance);
GL.GenFramebuffers(1, out fboGrid);
GL.BindFramebuffer(FramebufferTarget.Framebuffer, fboGrid);
GL.FramebufferTexture2D(FramebufferTarget.Framebuffer, FramebufferAttachment.DepthAttachment,
TextureTarget.Texture2D, gridDepthTex, 0);
GL.FramebufferTexture2D(FramebufferTarget.Framebuffer, FramebufferAttachment.ColorAttachment0,
TextureTarget.Texture2D, colorTexId, 0);
GL.FramebufferTexture2D(FramebufferTarget.Framebuffer, FramebufferAttachment.ColorAttachment1,
TextureTarget.Texture2D, selectionTexId, 0);
GL.DrawBuffers(2, dbe);
if (GL.CheckFramebufferStatus(FramebufferTarget.Framebuffer) != FramebufferErrorCode.FramebufferComplete)
{
throw new Exception(GL.CheckFramebufferStatus(FramebufferTarget.Framebuffer).ToString());
}
GL.BindFramebuffer(FramebufferTarget.Framebuffer, 0);
}
protected override void initFbo()
{
if (!GL.IsTexture (tex))
tex = new Tetra.Texture (width, height);
if (!GL.IsTexture (evenTex))
evenTex = new Tetra.Texture (width, height);
GL.GenFramebuffers(1, out fbo);
GL.BindFramebuffer(FramebufferTarget.Framebuffer, fbo);
GL.FramebufferTexture2D(FramebufferTarget.Framebuffer, FramebufferAttachment.ColorAttachment0,
TextureTarget.Texture2D, tex, 0);
GL.FramebufferTexture2D(FramebufferTarget.Framebuffer, FramebufferAttachment.ColorAttachment1,
TextureTarget.Texture2D, evenTex, 0);
if (GL.CheckFramebufferStatus(FramebufferTarget.Framebuffer) != FramebufferErrorCode.FramebufferComplete)
{
throw new Exception(GL.CheckFramebufferStatus(FramebufferTarget.Framebuffer).ToString());
}
GL.BindFramebuffer(FramebufferTarget.Framebuffer, 0);
}
