- for (p = 0; p < ctx->Const.MaxClipPlanes; p++) {
- if (ctx->Transform.ClipPlanesEnabled & (1 << p)) {
- const GLfloat a = ctx->Transform._ClipUserPlane[p][0];
- const GLfloat b = ctx->Transform._ClipUserPlane[p][1];
- const GLfloat c = ctx->Transform._ClipUserPlane[p][2];
- const GLfloat d = ctx->Transform._ClipUserPlane[p][3];
- LINE_CLIP( CLIP_USER_BIT, a, b, c, d );
- }
+ GLbitfield enabled = ctx->Transform.ClipPlanesEnabled;
+ while (enabled) {
+ const int p = u_bit_scan(&enabled);
+ const GLfloat a = ctx->Transform._ClipUserPlane[p][0];
+ const GLfloat b = ctx->Transform._ClipUserPlane[p][1];
+ const GLfloat c = ctx->Transform._ClipUserPlane[p][2];
+ const GLfloat d = ctx->Transform._ClipUserPlane[p][3];
+ LINE_CLIP( CLIP_USER_BIT, a, b, c, d );