mesa/main: Make FEATURE_attrib_stack follow feature conventions.

As shown in mfeatures.h, this allows users of attrib.h to work without
knowing if the feature is available.

src/mesa/main/api_exec.c

@@ -39,9 +39,7 @@
 #if FEATURE_ATI_fragment_shader
 #include "shader/atifragshader.h"
 #endif
-#if FEATURE_attrib_stack
 #include "attrib.h"
-#endif
 #include "blend.h"
 #if FEATURE_ARB_vertex_buffer_object
 #include "bufferobj.h"
@@ -283,12 +281,9 @@ _mesa_init_exec_table(struct _glapi_table *exec)
    SET_PolygonMode(exec, _mesa_PolygonMode);
    SET_PolygonOffset(exec, _mesa_PolygonOffset);
    SET_PolygonStipple(exec, _mesa_PolygonStipple);
-#if FEATURE_attrib_stack
+
-   SET_PopAttrib(exec, _mesa_PopAttrib);
+   _mesa_init_attrib_dispatch(exec);
-   SET_PushAttrib(exec, _mesa_PushAttrib);
+
-   SET_PopClientAttrib(exec, _mesa_PopClientAttrib);
-   SET_PushClientAttrib(exec, _mesa_PushClientAttrib);
-#endif
 #if FEATURE_drawpix
    SET_RasterPos2f(exec, _mesa_RasterPos2f);
    SET_RasterPos2fv(exec, _mesa_RasterPos2fv);

src/mesa/main/attrib.c

@@ -57,6 +57,7 @@
 #include "varray.h"
 #include "viewport.h"
 #include "mtypes.h"
+#include "glapi/dispatch.h"
 
 
 /**
@@ -174,6 +175,9 @@ struct texture_state
 };
 
 
+#if FEATURE_attrib_stack
+
+
 /**
  * Allocate new attribute node of given type/kind.  Attach payload data.
  * Insert it into the linked list named by 'head'.
@@ -1464,6 +1468,19 @@ _mesa_PopClientAttrib(void)
 }
 
 
+void
+_mesa_init_attrib_dispatch(struct _glapi_table *disp)
+{
+   SET_PopAttrib(disp, _mesa_PopAttrib);
+   SET_PushAttrib(disp, _mesa_PushAttrib);
+   SET_PopClientAttrib(disp, _mesa_PopClientAttrib);
+   SET_PushClientAttrib(disp, _mesa_PushClientAttrib);
+}
+
+
+#endif /* FEATURE_attrib_stack */
+
+
 /**
  * Free any attribute state data that might be attached to the context.
  */

src/mesa/main/attrib.h

@@ -26,10 +26,10 @@
 #define ATTRIB_H
 
 
-#include "mtypes.h"
+#include "main/mtypes.h"
 
 
-#if _HAVE_FULL_GL
+#if FEATURE_attrib_stack
 
 extern void GLAPIENTRY
 _mesa_PushAttrib( GLbitfield mask );
@@ -43,18 +43,34 @@ _mesa_PushClientAttrib( GLbitfield mask );
 extern void GLAPIENTRY
 _mesa_PopClientAttrib( void );
 
+extern void
+_mesa_init_attrib_dispatch(struct _glapi_table *disp);
+
+#else /* FEATURE_attrib_stack */
+
+static INLINE void
+_mesa_PushClientAttrib( GLbitfield mask )
+{
+   ASSERT_NO_FEATURE();
+}
+
+static INLINE void
+_mesa_PopClientAttrib( void )
+{
+   ASSERT_NO_FEATURE();
+}
+
+static INLINE void
+_mesa_init_attrib_dispatch(struct _glapi_table *disp)
+{
+}
+
+#endif /* FEATURE_attrib_stack */
+
 extern void 
 _mesa_init_attrib( GLcontext *ctx );
 
 extern void 
 _mesa_free_attrib_data( GLcontext *ctx );
 
-#else
+#endif /* ATTRIB_H */
-
-/** No-op */
-#define _mesa_init_attrib( c ) ((void)0)
-#define _mesa_free_attrib_data( c ) ((void)0)
-
-#endif
-
-#endif

src/mesa/main/context.c

@@ -82,9 +82,7 @@
 #include "accum.h"
 #include "api_exec.h"
 #include "arrayobj.h"
-#if FEATURE_attrib_stack
 #include "attrib.h"
-#endif
 #include "blend.h"
 #include "buffers.h"
 #include "bufferobj.h"
@@ -675,9 +673,7 @@ init_attrib_groups(GLcontext *ctx)
 
    /* Attribute Groups */
    _mesa_init_accum( ctx );
-#if FEATURE_attrib_stack
    _mesa_init_attrib( ctx );
-#endif
    _mesa_init_buffer_objects( ctx );
    _mesa_init_color( ctx );
    _mesa_init_colortables( ctx );
@@ -997,9 +993,7 @@ _mesa_free_context_data( GLcontext *ctx )
    _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current, NULL);
    _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._TexEnvProgram, NULL);
 
-#if FEATURE_attrib_stack
    _mesa_free_attrib_data(ctx);
-#endif
    _mesa_free_lighting_data( ctx );
 #if FEATURE_evaluators
    _mesa_free_eval_data( ctx );