enum

enum MYGPU is export (
   GPU_RENDERER_ORDER_MAX => 10,
   GPU_RENDERER_CUSTOM_0 => 1000,
   GPU_MODELVIEW => 0,
   GPU_PROJECTION => 1,
   GPU_MATRIX_STACK_MAX => 5,
   GPU_FEATURE_ALL_BASE => GPU_FEATURE_RENDER_TARGETS,
   GPU_FEATURE_ALL_BLEND_PRESETS => (GPU_FEATURE_BLEND_EQUATIONS | GPU_FEATURE_BLEND_FUNC_SEPARATE),
   GPU_FEATURE_ALL_GL_FORMATS => (GPU_FEATURE_GL_BGR | GPU_FEATURE_GL_BGRA | GPU_FEATURE_GL_ABGR),
   GPU_FEATURE_BASIC_SHADERS => (GPU_FEATURE_FRAGMENT_SHADER | GPU_FEATURE_VERTEX_SHADER),
   GPU_FEATURE_ALL_SHADERS => (GPU_FEATURE_FRAGMENT_SHADER | GPU_FEATURE_VERTEX_SHADER | GPU_FEATURE_GEOMETRY_SHADER),
   GPU_DEFAULT_INIT_FLAGS => 0,
   GPU_BATCH_XY_ST => (GPU_BATCH_XY | GPU_BATCH_ST),
   GPU_BATCH_XYZ_ST => (GPU_BATCH_XYZ | GPU_BATCH_ST),
   GPU_BATCH_XY_RGB => (GPU_BATCH_XY | GPU_BATCH_RGB),
   GPU_BATCH_XYZ_RGB => (GPU_BATCH_XYZ | GPU_BATCH_RGB),
   GPU_BATCH_XY_RGBA => (GPU_BATCH_XY | GPU_BATCH_RGBA),
   GPU_BATCH_XYZ_RGBA => (GPU_BATCH_XYZ | GPU_BATCH_RGBA),
   GPU_BATCH_XY_ST_RGBA => (GPU_BATCH_XY | GPU_BATCH_ST | GPU_BATCH_RGBA),
   GPU_BATCH_XYZ_ST_RGBA => (GPU_BATCH_XYZ | GPU_BATCH_ST | GPU_BATCH_RGBA),
   GPU_Log => GPU_LogInfo
);