Function rend_SetTextureType

renderer/HardwareOpenGL.cpp:1624–1654

}

void rend_SetTextureType(texture_type state) {
  if (state == gpu_state.cur_texture_type)
    return; // No redundant state setting
#if (defined(_USE_OGL_ACTIVE_TEXTURES))
  if (UseMultitexture && Last_texel_unit_set != 0) {
    oglActiveTextureARB(GL_TEXTURE0_ARB + 0);
    Last_texel_unit_set = 0;
  }
#endif
  OpenGL_sets_this_frame[3]++;

  switch (state) {
  case TT_FLAT:
    dglDisable(GL_TEXTURE_2D);
    gpu_state.cur_texture_quality = 0;
    break;
  case TT_LINEAR:
  case TT_LINEAR_SPECIAL:
  case TT_PERSPECTIVE:
  case TT_PERSPECTIVE_SPECIAL:
    dglEnable(GL_TEXTURE_2D);
    gpu_state.cur_texture_quality = 2;
    break;
  default:
    Int3(); // huh? Get Jason
    break;
  }

  CHECK_ERROR(12)
  gpu_state.cur_texture_type = state;
}

void rend_StartFrame(int x1, int y1, int x2, int y2, int clear_flags) {
  if (clear_flags & RF_CLEAR_ZBUFFER) {