Class CFrameBufferObject

Common/rendercheck_gles.h:727–1045

};

class CFrameBufferObject {
 public:
  CFrameBufferObject(unsigned int width, unsigned int height, unsigned int Bpp,
                     bool bUseFloat, GLenum eTarget)
      : m_Width(width),
        m_Height(height),
        m_bUseFloat(bUseFloat),
        m_eGLTarget(eTarget) {
    glGenFramebuffers(1, &m_fboData.fb);

    m_fboData.colorTex =
        createTexture(m_eGLTarget, width, height, GL_RGBA, GL_RGBA);
    m_fboData.depthTex = createTexture(
        m_eGLTarget, width, height, GL_DEPTH_COMPONENT24, GL_DEPTH_COMPONENT);

    attachTexture(m_eGLTarget, m_fboData.depthTex, GL_DEPTH_ATTACHMENT);
    attachTexture(m_eGLTarget, m_fboData.colorTex, GL_COLOR_ATTACHMENT0);

    bool ret = checkStatus(__FILE__, __LINE__, false);
  }

  void check_gl_error(const char *file, int line) {
    GLenum err(glGetError());

    while (err != GL_NO_ERROR) {
      char error[64];

      switch (err) {
        case GL_INVALID_OPERATION:
          strcpy(error, "INVALID_OPERATION");
          break;
        case GL_INVALID_ENUM:
          strcpy(error, "INVALID_ENUM");
          break;
        case GL_INVALID_VALUE:
          strcpy(error, "INVALID_VALUE");
          break;
        case GL_OUT_OF_MEMORY:
          strcpy(error, "OUT_OF_MEMORY");
          break;
        case GL_INVALID_FRAMEBUFFER_OPERATION:
          strcpy(error, "INVALID_FRAMEBUFFER_OPERATION");
          break;
      }

      printf("GL_%s  - %s : %d\n", error, file, line);
      err = glGetError();
    }
  }

  virtual ~CFrameBufferObject() { freeResources(); }

  GLuint createTexture(GLenum target, int w, int h, GLint internalformat,
                       GLenum format) {
    GLuint texid;
    glGenTextures(1, &texid);

    glBindTexture(target, texid);