INIT(GL_TRIANGLE_STRIP);
if (NEED_EDGEFLAG_SETUP) {
for (j=start+2;j<count;j++,parity^=1) {
- GLuint ej2 = ELT(j-2+parity);
- GLuint ej1 = ELT(j-1-parity);
- GLuint ej = ELT(j);
- GLboolean ef2 = EDGEFLAG_GET( ej2 );
- GLboolean ef1 = EDGEFLAG_GET( ej1 );
- GLboolean ef = EDGEFLAG_GET( ej );
+ GLuint ej2, ej1, ej;
+ GLboolean ef2, ef1, ef;
+ if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT) {
+ ej2 = ELT(j-2+parity);
+ ej1 = ELT(j-1-parity);
+ ej = ELT(j);
+ }
+ else {
+ ej2 = ELT(j-1+parity);
+ ej1 = ELT(j-parity);
+ ej = ELT(j-2);
+ }
+ ef2 = EDGEFLAG_GET( ej2 );
+ ef1 = EDGEFLAG_GET( ej1 );
+ ef = EDGEFLAG_GET( ej );
if (TEST_PRIM_BEGIN(flags)) {
RESET_STIPPLE;
}
EDGEFLAG_SET( ej2, GL_TRUE );
EDGEFLAG_SET( ej1, GL_TRUE );
EDGEFLAG_SET( ej, GL_TRUE );
- if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT)
- RENDER_TRI( ej2, ej1, ej );
- else
- RENDER_TRI( ej, ej2, ej1 );
+ RENDER_TRI( ej2, ej1, ej );
EDGEFLAG_SET( ej2, ef2 );
EDGEFLAG_SET( ej1, ef1 );
EDGEFLAG_SET( ej, ef );