+static inline bool
+_mesa_arb_vertex_program_enabled(const struct gl_context *ctx)
+{
+ return ctx->VertexProgram.Enabled &&
+ ctx->VertexProgram.Current->arb.Instructions;
+}
+
+/** Compute two sided lighting state for fixed function or programs. */
+static inline bool
+_mesa_vertex_program_two_side_enabled(const struct gl_context *ctx)
+{
+ if (ctx->_Shader->CurrentProgram[MESA_SHADER_VERTEX] ||
+ _mesa_arb_vertex_program_enabled(ctx))
+ return ctx->VertexProgram.TwoSideEnabled;
+
+ return ctx->Light.Enabled && ctx->Light.Model.TwoSide;
+}
+
+/** Return 0=GL_CCW or 1=GL_CW */
+static inline bool
+_mesa_polygon_get_front_bit(const struct gl_context *ctx)
+{
+ if (ctx->Transform.ClipOrigin == GL_LOWER_LEFT)
+ return ctx->Polygon.FrontFace == GL_CW;
+
+ return ctx->Polygon.FrontFace == GL_CCW;
+}
+
+static inline bool
+_mesa_arb_fragment_program_enabled(const struct gl_context *ctx)
+{
+ return ctx->FragmentProgram.Enabled &&
+ ctx->FragmentProgram.Current->arb.Instructions;
+}
+