void FBO::generateDepthOnly()
{
destroy();
glGenTextures(1, &m_iTexDepthId);
glBindTexture(m_eTextureType, m_iTexDepthId);
//we create a special texture for depth
glTexImage2D(m_eTextureType, 0, GL_DEPTH_COMPONENT, m_iWidth, m_iHeight, 0,GL_DEPTH_COMPONENT, GL_FLOAT, 0);
glTexParameteri (m_eTextureType, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri (m_eTextureType, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(m_eTextureType, GL_TEXTURE_WRAP_S, GL_CLAMP);
glTexParameteri(m_eTextureType, GL_TEXTURE_WRAP_T, GL_CLAMP);
glBindTexture(m_eTextureType, 0);
//Generating ID
glGenFramebuffersEXT(1, &m_iId);
activate();
//We attach the texture to the depth attachment point
glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT,GL_DEPTH_ATTACHMENT_EXT,m_eTextureType, m_iTexDepthId, 0);
//In order to avoid Color in the depth buffer
glDrawBuffer(GL_NONE);
glReadBuffer(GL_NONE);
desactivate();
//Check FBO status
if(!checkFramebufferStatus())
std::cerr<<"ERROR : FBO creation Fail "<<std::endl;
//Depth Only
m_iType = 1;
}
void FBO::generateColorOnly(bool tex16f)
{
destroy();
//Generate the texture
glGenTextures(1, &m_iTexId);
glBindTexture(m_eTextureType, m_iTexId);
glTexParameteri (m_eTextureType, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri (m_eTextureType, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(m_eTextureType, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(m_eTextureType, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(m_eTextureType, GL_GENERATE_MIPMAP, GL_TRUE);
///We need six Face for cube, or one for 2D
if (m_eTextureType == GL_TEXTURE_CUBE_MAP)
{
glTexImage2D( GL_TEXTURE_CUBE_MAP_POSITIVE_X , 0, GL_RGBA8, m_iWidth, m_iHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0);
glTexImage2D( GL_TEXTURE_CUBE_MAP_POSITIVE_Y , 0, GL_RGBA8, m_iWidth, m_iHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0);
glTexImage2D( GL_TEXTURE_CUBE_MAP_POSITIVE_Z , 0, GL_RGBA8, m_iWidth, m_iHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0);
glTexImage2D( GL_TEXTURE_CUBE_MAP_NEGATIVE_X , 0, GL_RGBA8, m_iWidth, m_iHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0);
glTexImage2D( GL_TEXTURE_CUBE_MAP_NEGATIVE_Y , 0, GL_RGBA8, m_iWidth, m_iHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0);
glTexImage2D( GL_TEXTURE_CUBE_MAP_NEGATIVE_Z , 0, GL_RGBA8, m_iWidth, m_iHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0);
}
else{
if(!tex16f)
glTexImage2D(m_eTextureType, 0, GL_RGBA8, m_iWidth, m_iHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0);
else
glTexImage2D(m_eTextureType, 0, GL_RGB16F_ARB, m_iWidth, m_iHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0);
}
glBindTexture(m_eTextureType, 0);
//Generate renderbuffer
glGenRenderbuffersEXT(1, &m_iRenderId);
glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, m_iRenderId);
glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_DEPTH_COMPONENT24, m_iWidth, m_iHeight);
glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, 0);
//Generating ID
glGenFramebuffersEXT(1, &m_iId);
activate();
// attach a texture to FBO color attachement point
glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, m_eTextureType, m_iTexId, 0);
// attach a renderbuffer to depth attachment point
glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, m_iRenderId);
desactivate();
//Check FBO status
if(!checkFramebufferStatus())
std::cerr<<"ERROR : FBO creation Fail "<<std::endl;
//Color Only
m_iType = 0;
}
TDCompound::~TDCompound (void)
{
if (id_displayed != td_notdispd)
hideindestructor ();
if (id_evented != GRTD_UNDEF)
desactivate ();
list <TDObj*> :: iterator li;
for (li=ltd.begin() ; li!=ltd.end() ; li++)
(*li)->ptdparent = NULL;
}
TDObj::~TDObj (void)
{
if (id_displayed != td_notdispd)
hideindestructor ();
if (mouseflyover == this) // JDJDJDJD maybe we should check that mousebuttonfocus and ownergrabmouse need the same treatment ?
mouseflyover = NULL;
if (id_evented != GRTD_UNDEF)
desactivate ();
if (ptdparent != NULL) {
bzouzerr << "WARNING - we have here some TDObj that is destroyed while still in some parent's list" << endl ;
ptdparent->erase (id_ltdparent);
}
}
void FBO::generate()
{
// create a texture object for the depthmap
glGenTextures(1, &m_iTexDepthId);
glBindTexture(m_eTextureType, m_iTexDepthId);
glTexParameterf(m_eTextureType, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameterf(m_eTextureType, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameterf(m_eTextureType, GL_TEXTURE_WRAP_S, GL_CLAMP);
glTexParameterf(m_eTextureType, GL_TEXTURE_WRAP_T, GL_CLAMP);
glTexParameteri(m_eTextureType, GL_GENERATE_MIPMAP, GL_TRUE);
glTexImage2D(m_eTextureType, 0, GL_DEPTH_COMPONENT, m_iWidth, m_iHeight, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_BYTE, 0);
glBindTexture(m_eTextureType, 0);
// create a texture object
glGenTextures(1, &m_iTexId);
glBindTexture(m_eTextureType, m_iTexId);
glTexParameterf(m_eTextureType, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameterf(m_eTextureType, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameterf(m_eTextureType, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameterf(m_eTextureType, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(m_eTextureType, GL_GENERATE_MIPMAP, GL_TRUE);
glTexImage2D(m_eTextureType, 0, GL_RGBA8, m_iWidth, m_iHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0);
glBindTexture(m_eTextureType, 0);
glGenFramebuffersEXT(1, &m_iId);
activate();
// attach a texture to FBO color attachement point
glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, m_eTextureType, m_iTexDepthId, 0);
glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, m_eTextureType, m_iTexId, 0);
desactivate();
//Check FBO status
if(!checkFramebufferStatus())
std::cerr<<"ERROR : FBO creation Fail "<<std::endl;
//Color + Depth
m_iType = 2;
}
