+/**
+ * Update ctx->VertexProgram._VertexProgramMode.
+ */
+extern void
+_mesa_update_vertex_processing_mode(struct gl_context *ctx);
+
+
+/**
+ * Set the _DrawVAO and the net enabled arrays.
+ */
+void
+_mesa_set_draw_vao(struct gl_context *ctx, struct gl_vertex_array_object *vao,
+ GLbitfield filter);
+
+
+static inline bool
+_mesa_ati_fragment_shader_enabled(const struct gl_context *ctx)
+{
+ return ctx->ATIFragmentShader.Enabled &&
+ ctx->ATIFragmentShader.Current->Instructions[0];
+}
+
+/**
+ * Is the secondary color needed?
+ */
+static inline GLboolean
+_mesa_need_secondary_color(const struct gl_context *ctx)
+{
+ if (ctx->Light.Enabled &&
+ ctx->Light.Model.ColorControl == GL_SEPARATE_SPECULAR_COLOR)
+ return GL_TRUE;
+
+ if (ctx->Fog.ColorSumEnabled)
+ return GL_TRUE;
+
+ if (ctx->VertexProgram._Current &&
+ (ctx->VertexProgram._Current != ctx->VertexProgram._TnlProgram) &&
+ (ctx->VertexProgram._Current->info.inputs_read & VERT_BIT_COLOR1))
+ return GL_TRUE;
+
+ if (ctx->FragmentProgram._Current &&
+ (ctx->FragmentProgram._Current != ctx->FragmentProgram._TexEnvProgram) &&
+ (ctx->FragmentProgram._Current->info.inputs_read & VARYING_BIT_COL1))
+ return GL_TRUE;
+
+ if (_mesa_ati_fragment_shader_enabled(ctx))
+ return GL_TRUE;
+
+ return GL_FALSE;
+}
+
+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;
+}
+