my own android gles bug fix and tricks

renderbuffer_create_on_MIUI3_failed.cpp

// MIUI3 not support GL_OES_packed_depth_stencil workaround
glGenRenderbuffers(1, &m_pDepthStencil);
glBindRenderbuffer(GL_RENDERBUFFER, m_pDepthStencil);

static bool supportedPackedDepthStencil = strstr((const char*)glGetString(GL_EXTENSIONS), "GL_OES_packed_depth_stencil") != NULL;
GLenum internalFormat = supportedPackedDepthStencil ? GL_DEPTH24_STENCIL8 : GL_DEPTH_COMPONENT16;

glRenderbufferStorage(GL_RENDERBUFFER, internalFormat, nWidth, nHeight);
glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, m_pDepthStencil);

if (supportedPackedDepthStencil) {
    glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_RENDERBUFFER, m_pDepthStencil);
    checkGLError("create render target");
}