Method setSurface

framework/render/gl20/ogl_2_0_renderer.cpp:681–696

	friend class RendererSurfaceBinding;
	void setSurface(sp<Surface> s) override
	{
		if (this->currentSurface == s)
		{
			return;
		}
		this->flush();
		this->currentSurface = s;
		if (!s->rendererPrivateData)
			s->rendererPrivateData.reset(new FBOData(s->size, this));

		FBOData *fbo = static_cast<FBOData *>(s->rendererPrivateData.get());
		gl20::BindFramebufferEXT(gl20::FRAMEBUFFER_EXT, fbo->fbo);
		this->currentBoundFBO = fbo->fbo;
		gl20::Viewport(0, 0, s->size.x, s->size.y);
	}
	sp<Surface> getSurface() override { return currentSurface; }
	sp<Surface> defaultSurface;