Method flush

framework/render/gl20/ogl_2_0_renderer.cpp:911–932

		this->drawFilledRect(D, sizeD, c);
	}
	void flush() override
	{
		// Cleanup any outstanding destroyed texture or framebuffer objects
		{
			std::lock_guard<std::mutex> lock(this->destroyed_texture_list_mutex);

			for (auto &id : this->destroyed_texture_list)
			{
				gl20::DeleteTextures(1, &id);
			}
			this->destroyed_texture_list.clear();
		}
		{
			std::lock_guard<std::mutex> lock(this->destroyed_framebuffer_list_mutex);

			for (auto &id : this->destroyed_framebuffer_list)
			{
				gl20::DeleteFramebuffersEXT(1, &id);
			}
			this->destroyed_framebuffer_list.clear();
		}
	}
	UString getName() override { return "OGL2.0 Renderer"; }
	sp<Surface> getDefaultSurface() override { return this->defaultSurface; }