Function getFramebufferCopyMask

renderdoc/driver/gl/gl_pixelhistory.cpp:499–536

}

GLbitfield getFramebufferCopyMask(WrappedOpenGL *driver)
{
  GLuint curDepth = 0;
  GLuint curStencil = 0;
  GLuint curColor = 0;

  GLint colorAttachment;
  driver->glGetIntegerv(eGL_READ_BUFFER, &colorAttachment);

  if(colorAttachment)
  {
    driver->glGetFramebufferAttachmentParameteriv(eGL_READ_FRAMEBUFFER, GLenum(colorAttachment),
                                                  eGL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME,
                                                  (GLint *)&curColor);
  }
  driver->glGetFramebufferAttachmentParameteriv(eGL_DRAW_FRAMEBUFFER, eGL_DEPTH_ATTACHMENT,
                                                eGL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME,
                                                (GLint *)&curDepth);

  driver->glGetFramebufferAttachmentParameteriv(eGL_DRAW_FRAMEBUFFER, eGL_STENCIL_ATTACHMENT,
                                                eGL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME,
                                                (GLint *)&curStencil);

  GLbitfield mask = 0;
  if(curColor)
  {
    mask |= eGL_COLOR_BUFFER_BIT;
  }
  if(curDepth)
  {
    mask |= eGL_DEPTH_BUFFER_BIT;
  }
  if(curStencil)
  {
    mask |= eGL_STENCIL_BUFFER_BIT;
  }
  return mask;
}

uint32_t getFramebufferColIndex(WrappedOpenGL *driver, ResourceId target)
{