We can allow rendering flat shaded polygons using tri fans if we check
the provoking vertex convention.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
- else if (HAVE_TRI_FANS && ctx->Light.ShadeModel == GL_SMOOTH) {
+ else if (HAVE_TRI_FANS &&
+ (ctx->Light.ShadeModel == GL_SMOOTH ||
+ ctx->Light.ProvokingVertex == GL_FIRST_VERTEX_CONVENTION_EXT)) {
TAG(render_tri_fan_verts)( ctx, start, count, flags );
} else {
fprintf(stderr, "%s - cannot draw primitive\n", __FUNCTION__);
TAG(render_tri_fan_verts)( ctx, start, count, flags );
} else {
fprintf(stderr, "%s - cannot draw primitive\n", __FUNCTION__);
FLUSH();
currentsz = dmasz;
}
FLUSH();
currentsz = dmasz;
}
- } else if (HAVE_TRI_FANS && ctx->Light.ShadeModel == GL_SMOOTH) {
+ } else if (HAVE_TRI_FANS &&
+ (ctx->Light.ShadeModel == GL_SMOOTH ||
+ ctx->Light.ProvokingVertex == GL_FIRST_VERTEX_CONVENTION_EXT)) {
TAG(render_tri_fan_verts)( ctx, start, count, flags );
} else {
fprintf(stderr, "%s - cannot draw primitive\n", __FUNCTION__);
TAG(render_tri_fan_verts)( ctx, start, count, flags );
} else {
fprintf(stderr, "%s - cannot draw primitive\n", __FUNCTION__);
- ok = (HAVE_TRI_FANS && ctx->Light.ShadeModel == GL_SMOOTH);
+ ok = (HAVE_TRI_FANS &&
+ (ctx->Light.ShadeModel == GL_SMOOTH ||
+ ctx->Light.ProvokingVertex == GL_FIRST_VERTEX_CONVENTION_EXT));
}
break;
case GL_QUAD_STRIP:
}
break;
case GL_QUAD_STRIP: