void testApp::printFramebufferInfo()
{
cout << "\n***** FBO STATUS *****\n";
// print max # of colorbuffers supported by FBO
int colorBufferCount = 0;
glGetIntegerv(GL_MAX_COLOR_ATTACHMENTS_EXT, &colorBufferCount);
cout << "Max Number of Color Buffer Attachment Points: " << colorBufferCount << endl;
int objectType;
int objectId;
// print info of the colorbuffer attachable image
for(int i = 0; i < colorBufferCount; ++i)
{
glGetFramebufferAttachmentParameterivEXT(GL_FRAMEBUFFER_EXT,
GL_COLOR_ATTACHMENT0_EXT+i,
GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE_EXT,
&objectType);
if(objectType != GL_NONE)
{
glGetFramebufferAttachmentParameterivEXT(GL_FRAMEBUFFER_EXT,
GL_COLOR_ATTACHMENT0_EXT+i,
GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME_EXT,
&objectId);
std::string formatName;
cout << "Color Attachment " << i << ": ";
if(objectType == GL_TEXTURE)
cout << "GL_TEXTURE, " << getTextureParameters(objectId) << endl;
else if(objectType == GL_RENDERBUFFER_EXT)
cout << "GL_RENDERBUFFER_EXT, " << getRenderbufferParameters(objectId) << endl;
}
}
// print info of the depthbuffer attachable image
glGetFramebufferAttachmentParameterivEXT(GL_FRAMEBUFFER_EXT,
GL_DEPTH_ATTACHMENT_EXT,
GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE_EXT,
&objectType);
if(objectType != GL_NONE)
{
glGetFramebufferAttachmentParameterivEXT(GL_FRAMEBUFFER_EXT,
GL_DEPTH_ATTACHMENT_EXT,
GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME_EXT,
&objectId);
cout << "Depth Attachment: ";
switch(objectType)
{
case GL_TEXTURE:
cout << "GL_TEXTURE, " << getTextureParameters(objectId) << endl;
break;
case GL_RENDERBUFFER_EXT:
cout << "GL_RENDERBUFFER_EXT, " << getRenderbufferParameters(objectId) << endl;
break;
}
}
// print info of the stencilbuffer attachable image
glGetFramebufferAttachmentParameterivEXT(GL_FRAMEBUFFER_EXT,
GL_STENCIL_ATTACHMENT_EXT,
GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE_EXT,
&objectType);
if(objectType != GL_NONE)
{
glGetFramebufferAttachmentParameterivEXT(GL_FRAMEBUFFER_EXT,
GL_STENCIL_ATTACHMENT_EXT,
GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME_EXT,
&objectId);
cout << "Stencil Attachment: ";
switch(objectType)
{
case GL_TEXTURE:
cout << "GL_TEXTURE, " << getTextureParameters(objectId) << endl;
break;
case GL_RENDERBUFFER_EXT:
cout << "GL_RENDERBUFFER_EXT, " << getRenderbufferParameters(objectId) << endl;
break;
}
}
cout << endl;
}
///////////////////////////////////////////////////////////////////////////////
// print out the FBO infos
///////////////////////////////////////////////////////////////////////////////
void printFramebufferInfo(GLuint fbo)
{
// bind fbo
glBindFramebuffer(GL_FRAMEBUFFER, fbo);
std::cout << "\n===== FBO STATUS =====\n";
// print max # of colorbuffers supported by FBO
int colorBufferCount = 0;
glGetIntegerv(GL_MAX_COLOR_ATTACHMENTS, &colorBufferCount);
std::cout << "Max Number of Color Buffer Attachment Points: " << colorBufferCount << std::endl;
// get max # of multi samples
int multiSampleCount = 0;
glGetIntegerv(GL_MAX_SAMPLES, &multiSampleCount);
std::cout << "Max Number of Samples for MSAA: " << multiSampleCount << std::endl;
int objectType;
int objectId;
// print info of the colorbuffer attachable image
for(int i = 0; i < colorBufferCount; ++i)
{
glGetFramebufferAttachmentParameteriv(GL_FRAMEBUFFER,
GL_COLOR_ATTACHMENT0+i,
GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE,
&objectType);
if(objectType != GL_NONE)
{
glGetFramebufferAttachmentParameteriv(GL_FRAMEBUFFER,
GL_COLOR_ATTACHMENT0+i,
GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME,
&objectId);
std::string formatName;
std::cout << "Color Attachment " << i << ": ";
if(objectType == GL_TEXTURE)
{
std::cout << "GL_TEXTURE, " << getTextureParameters(objectId) << std::endl;
}
else if(objectType == GL_RENDERBUFFER)
{
std::cout << "GL_RENDERBUFFER, " << getRenderbufferParameters(objectId) << std::endl;
}
}
}
// print info of the depthbuffer attachable image
glGetFramebufferAttachmentParameteriv(GL_FRAMEBUFFER,
GL_DEPTH_ATTACHMENT,
GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE,
&objectType);
if(objectType != GL_NONE)
{
glGetFramebufferAttachmentParameteriv(GL_FRAMEBUFFER,
GL_DEPTH_ATTACHMENT,
GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME,
&objectId);
std::cout << "Depth Attachment: ";
switch(objectType)
{
case GL_TEXTURE:
std::cout << "GL_TEXTURE, " << getTextureParameters(objectId) << std::endl;
break;
case GL_RENDERBUFFER:
std::cout << "GL_RENDERBUFFER, " << getRenderbufferParameters(objectId) << std::endl;
break;
}
}
// print info of the stencilbuffer attachable image
glGetFramebufferAttachmentParameteriv(GL_FRAMEBUFFER,
GL_STENCIL_ATTACHMENT,
GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE,
&objectType);
if(objectType != GL_NONE)
{
glGetFramebufferAttachmentParameteriv(GL_FRAMEBUFFER,
GL_STENCIL_ATTACHMENT,
GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME,
&objectId);
std::cout << "Stencil Attachment: ";
switch(objectType)
{
case GL_TEXTURE:
std::cout << "GL_TEXTURE, " << getTextureParameters(objectId) << std::endl;
break;
case GL_RENDERBUFFER:
std::cout << "GL_RENDERBUFFER, " << getRenderbufferParameters(objectId) << std::endl;
break;
}
}
std::cout << std::endl;
glBindFramebuffer(GL_FRAMEBUFFER, 0);
}
