public Framebuffer(int width, int height, bool depth, bool interpol)
{
FramebufferTexture texture = new FramebufferTexture();
texture.setFormat(OpenGL.GL_RGBA16F, width, height, OpenGL.GL_RGBA, false, interpol);
setup(texture, depth);
}
public void addColorAttachment(uint internalfmt, uint format, bool mipmap, bool interpol)
{
FramebufferTexture texture = new FramebufferTexture();
texture.setFormat(internalfmt, m_width, m_height, format, mipmap, interpol);
addColorAttachment(texture);
}
public Framebuffer(int width, int height, bool depth, bool interpol)
{
FramebufferTexture texture = new FramebufferTexture();
texture.setFormat(OpenGL.GL_RGBA16F, width, height, OpenGL.GL_RGBA, false, interpol);
setup(texture, depth);
}
private void setup(FramebufferTexture color0, bool depth)
{
m_width = color0.width();
m_height = color0.height();
/* Create render buffer object for depth buffering */
if (depth)
{
m_depth = new FramebufferTexture();
m_depth.setFormat(OpenGL.GL_DEPTH_COMPONENT24, m_width, m_height, OpenGL.GL_DEPTH_COMPONENT, false, false);
}
else
{
m_depth = null;
}
/* Create and bind new FBO */
glGenFramebuffers(1, framebufferId);
glBindFramebuffer(OpenGL.GL_FRAMEBUFFER_EXT, framebufferId[0]);
glFramebufferTexture2D(OpenGL.GL_FRAMEBUFFER_EXT,
attachment_id[m_color.Count], OpenGL.GL_TEXTURE_2D, color0.glID(), 0);
m_color.Add(color0);
if (m_depth != null)
{
glFramebufferTexture2D(OpenGL.GL_FRAMEBUFFER_EXT,
OpenGL.GL_DEPTH_ATTACHMENT_EXT, OpenGL.GL_TEXTURE_2D, m_depth.glID(), 0);
}
uint result = glCheckFramebufferStatus(OpenGL.GL_FRAMEBUFFER_EXT);
if (result != OpenGL.GL_FRAMEBUFFER_COMPLETE_EXT)
{
throw new Exception("Failed to create frame buffer object!");
}
useAllAttachments();
/* Uibind FBO */
glBindFramebuffer(OpenGL.GL_FRAMEBUFFER_EXT, 0);
}
public void addColorAttachment(FramebufferTexture tex)
{
glBindFramebuffer(OpenGL.GL_FRAMEBUFFER_EXT, framebufferId[0]);
glFramebufferTexture2D(OpenGL.GL_FRAMEBUFFER_EXT,
attachment_id[m_color.Count], tex.glTarget(), tex.glID(), 0);
uint result = glCheckFramebufferStatus(OpenGL.GL_FRAMEBUFFER_EXT);
glBindFramebuffer(OpenGL.GL_FRAMEBUFFER_EXT, 0);
if (result != OpenGL.GL_FRAMEBUFFER_COMPLETE_EXT)
{
throw new Exception("Failed to attach extra color buffer!");
}
m_color.Add(tex);
glBindFramebuffer(OpenGL.GL_FRAMEBUFFER_EXT, framebufferId[0]);
useAllAttachments();
glBindFramebuffer(OpenGL.GL_FRAMEBUFFER_EXT, 0);
}
public void swapColorAttachment(Framebuffer other, int index)
{
FramebufferTexture tmp = m_color[index];
m_color[index] = other.m_color[index];
other.m_color[index] = tmp;
glBindFramebuffer(OpenGL.GL_FRAMEBUFFER_EXT, framebufferId[0]);
glFramebufferTexture2D(OpenGL.GL_FRAMEBUFFER_EXT,
attachment_id[index], m_color[index].glTarget(), m_color[index].glID(), 0);
glBindFramebuffer(OpenGL.GL_FRAMEBUFFER_EXT, 0);
glBindFramebuffer(OpenGL.GL_FRAMEBUFFER_EXT, other.framebufferId[0]);
glFramebufferTexture2D(OpenGL.GL_FRAMEBUFFER_EXT,
attachment_id[index], other.m_color[index].glTarget(), other.m_color[index].glID(), 0);
glBindFramebuffer(OpenGL.GL_FRAMEBUFFER_EXT, 0);
ErrorCode error = (ErrorCode)OpenGL.GetError();
if (error != ErrorCode.NoError)
{
throw new Exception(string.Format("OpenGL Error: {0}", error));
}
}
public Framebuffer(FramebufferTexture color0, bool depth)
{
setup(color0, depth);
}
public Framebuffer(FramebufferTexture color0, bool depth)
{
setup(color0, depth);
}
private void setup(FramebufferTexture color0, bool depth)
{
this.Width = color0.Width;
this.Height = color0.Width;
/* Create render buffer object for depth buffering */
if (depth)
{
m_depth = new FramebufferTexture();
m_depth.setFormat(OpenGL.GL_DEPTH_COMPONENT24, this.Width, this.Height, OpenGL.GL_DEPTH_COMPONENT, false, false);
}
else
{
m_depth = null;
}
/* Create and bind new FBO */
glGenFramebuffers(1, framebufferId);
glBindFramebuffer(OpenGL.GL_FRAMEBUFFER, framebufferId[0]);
glFramebufferTexture2D(OpenGL.GL_FRAMEBUFFER,
attachment_id[m_color.Count], OpenGL.GL_TEXTURE_2D, color0.TextureId, 0);
m_color.Add(color0);
if (m_depth != null)
{
glFramebufferTexture2D(OpenGL.GL_FRAMEBUFFER,
OpenGL.GL_DEPTH_ATTACHMENT, OpenGL.GL_TEXTURE_2D, m_depth.TextureId, 0);
}
uint result = glCheckFramebufferStatus(OpenGL.GL_FRAMEBUFFER);
if (result != OpenGL.GL_FRAMEBUFFER_COMPLETE)
{
throw new Exception("Failed to create frame buffer object!");
}
useAllAttachments();
/* Uibind FBO */
glBindFramebuffer(OpenGL.GL_FRAMEBUFFER, 0);
}
public void addColorAttachment(uint internalfmt, uint format, bool mipmap, bool interpol)
{
FramebufferTexture texture = new FramebufferTexture();
texture.setFormat(internalfmt, this.Width, this.Height, format, mipmap, interpol);
addColorAttachment(texture);
}
public void addColorAttachment(FramebufferTexture tex)
{
glBindFramebuffer(OpenGL.GL_FRAMEBUFFER, framebufferId[0]);
glFramebufferTexture2D(OpenGL.GL_FRAMEBUFFER,
attachment_id[m_color.Count], tex.TextureTarget, tex.TextureId, 0);
uint result = glCheckFramebufferStatus(OpenGL.GL_FRAMEBUFFER);
glBindFramebuffer(OpenGL.GL_FRAMEBUFFER, 0);
if (result != OpenGL.GL_FRAMEBUFFER_COMPLETE)
{
throw new Exception("Failed to attach extra color buffer!");
}
m_color.Add(tex);
glBindFramebuffer(OpenGL.GL_FRAMEBUFFER, framebufferId[0]);
useAllAttachments();
glBindFramebuffer(OpenGL.GL_FRAMEBUFFER, 0);
}
/// <summary>
///
/// </summary>
/// <param name="color0"></param>
/// <param name="depth"></param>
public Framebuffer(FramebufferTexture color0, bool depth)
{
InitFramebufferExtensions();
setup(color0, depth);
}
