Outline 그리기
opengl 에서 outline을 그리는 몇가지 방법중의 하나.. 바로 stencil buffer 를 이용함. glPushAttrib(GL_ALL_ATTRIB_BITS); glClearStencil(0); glClear(GL_STENCIL_BUFFER_BIT); glEnable(GL_STENCIL_TEST); // Set the stencil buffer to write a 1 in every time // a pixel is written to the screen glStencilFunc(GL_ALWAYS, 1, 0xFFFF); glStencilOp(GL_KEEP, GL_KEEP, GL_REPLACE); glPolygonMode(GL_FRONT_AND_BACK, GL_FILL); glColor3f(1...
