GL_COLOR_ATTACHMENT0 1283 src/runtime/opengl.cpp         global_state.FramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, tex, 0);
GL_COLOR_ATTACHMENT0 1682 src/runtime/opengl.cpp                                     GL_COLOR_ATTACHMENT0 + num_output_textures,
GL_COLOR_ATTACHMENT0 1714 src/runtime/opengl.cpp                 draw_buffers[i] = GL_COLOR_ATTACHMENT0 + i;