void col::render::OpenGLESIOSContext::resizeRenderTarget(uint32_t x, uint32_t y, uint32_t width, uint32_t height) {
makeCurrent();
deleteRenderTarget();
// framebuffer object
GL_COMMAND(glGenFramebuffers(1, &m_defaultFramebuffer));
GL_COMMAND(glBindFramebuffer(GL_FRAMEBUFFER, m_defaultFramebuffer));
// color target
GL_COMMAND(glGenRenderbuffers(1, &m_colorRenderBuffer));
GL_COMMAND(glBindRenderbuffer(GL_RENDERBUFFER, m_colorRenderBuffer));
GL_COMMAND([m_context renderbufferStorage:GL_RENDERBUFFER fromDrawable:(CAEAGLLayer*)m_view.layer]);
GL_COMMAND(glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, m_colorRenderBuffer));
GLint actualWidth, actualHeight;
GL_COMMAND(glGetRenderbufferParameteriv(GL_RENDERBUFFER, GL_RENDERBUFFER_WIDTH, &actualWidth));
GL_COMMAND(glGetRenderbufferParameteriv(GL_RENDERBUFFER, GL_RENDERBUFFER_HEIGHT, &actualHeight));
// depth / stencil combo target
GL_COMMAND(glGenRenderbuffers(1, &m_depthRenderBuffer));
GL_COMMAND(glBindRenderbuffer(GL_RENDERBUFFER, m_depthRenderBuffer));
//GL_COMMAND(glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH24_STENCIL8_OES, actualWidth, actualHeight));
GL_COMMAND(glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT16, actualWidth, actualHeight));
GL_COMMAND(glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, m_depthRenderBuffer));
//GL_COMMAND(glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_RENDERBUFFER, m_depthRenderBuffer));
GL_COMMAND(glViewport(0, 0, actualWidth, actualHeight));
GL_COMMAND(GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER));
switch(status) {
case GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT:
COL_LOG_FATAL("GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT");
break;
case GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS:
COL_LOG_FATAL("GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS");
break;
case GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT:
COL_LOG_FATAL("GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT");
break;
case GL_FRAMEBUFFER_UNSUPPORTED:
COL_LOG_FATAL("GL_FRAMEBUFFER_UNSUPPORTED");
break;
case GL_FRAMEBUFFER_COMPLETE:
break;
default:
COL_LOG_FATAL("Unknown framebuffer status");
break;
}
}
RenderingContext::~RenderingContext()
{
try{
deleteRenderTarget();
}
catch(...){
std::cerr<<"RenderingContext destructor error--"<<__FILE__<<": "<<__LINE__<<"\n";
}
try{
destroyShaderProgram();
}
catch(...){
std::cerr<<"RenderingContext destructor error--"<<__FILE__<<": "<<__LINE__<<"\n";
}
}
