void COGL::SetupStencilOps (void)
{
ogl.SetStencilTest (true);
if ((gameStates.render.bHaveStencilBuffer = glIsEnabled (GL_STENCIL_TEST)))
SetStencilTest (false);
#if !DBG
# ifdef _WIN32
glActiveStencilFaceEXT = (PFNGLACTIVESTENCILFACEEXTPROC) wglGetProcAddress ("glActiveStencilFaceEXT");
# endif
#endif
}
void Graphics::ResetCachedState()
{
Program::Clear();
viewport_ = Recti(0);
glGetIntegerv(GL_FRAMEBUFFER_BINDING, &systemFbo_); // On IOS default FBO is not zero
// Set up texture data read/write alignment
glPixelStorei(GL_PACK_ALIGNMENT, 1);
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
VertexArrayObj::Clear();
lastMesh_ = nullptr;
lastProgram_ = nullptr;
activeMesh_ = nullptr;
activeWindow_ = nullptr;
CHECK_GL_STATUS();
SetClearColor(Color(0, 0, 0, 1));
SetClearDepth(1);
SetClearStencil(0);
SetFrameBuffer(nullptr);
SetStencilTest(DEFAULT_STENCIL_ENABLE, DEFAULT_STENCIL_WRITEMASK, DEFAULT_STENCIL_SFAIL,
DEFAULT_STENCIL_DPFAIL, DEFAULT_STENCIL_DPPASS, DEFAULT_STENCIL_FUNC, DEFAULT_STENCIL_REF, DEFAULT_STENCIL_COMPAREMASK);
SetScissorTest();
CHECK_GL_STATUS();
SetColorMask(DEFAULT_COLOR_MASK);
SetDepthMask(DEFAULT_DEPTH_MASK);
SetDepthFunc(DepthFunc::LESS);
SetStencilMask(DEFAULT_STENCIL_MASK);
SetBlendModeTest(DEFAULT_BLEND_MODE);
EnableDepthTest(DEFAULT_DEPTH_TEST_ENABLE);
EnableCullFace(DEFAULT_CULL_FACE_ENABLE);
SetCullFace(CullFaceMode::DEFAULT);
SetFrontFace(FrontFaceMode::DEFAULT);
CHECK_GL_STATUS();
UnboundTextures();
SetVertexArrayObj(nullptr);
SetVertexBuffer(nullptr);
SetIndexBuffer(nullptr);
SetProgram(nullptr);
SetSlopeScaledBias(0);
CHECK_GL_STATUS();
}
