st/mesa: Make st_cb_accum.h FEATURE_accum aware.

This change allows st_cb_accum.h to be used without knowing if
FEATURE_accum is enabled.

3 files changed, 22 insertions, 2 deletions

diff --git a/src/mesa/state_tracker/st_cb_accum.c b/src/mesa/state_tracker/st_cb_accum.c
index ded0ba9c6a7..425e7987d33 100644
--- a/src/mesa/state_tracker/st_cb_accum.c
+++ b/src/mesa/state_tracker/st_cb_accum.c
@@ -45,6 +45,8 @@
 #include "util/u_tile.h"
 
 
+#if FEATURE_accum
+
 /**
  * For hardware that supports deep color buffers, we could accelerate
  * most/all the accum operations with blending/texturing.
@@ -333,3 +335,5 @@ void st_init_accum_functions(struct dd_function_table *functions)
 {
    functions->Accum = st_Accum;
 }
+
+#endif /* FEATURE_accum */
diff --git a/src/mesa/state_tracker/st_cb_accum.h b/src/mesa/state_tracker/st_cb_accum.h
index ed9b7dab943..7d52481c82e 100644
--- a/src/mesa/state_tracker/st_cb_accum.h
+++ b/src/mesa/state_tracker/st_cb_accum.h
@@ -30,10 +30,28 @@
 #define ST_CB_ACCUM_H
 
 
+#include "main/mtypes.h"
+
+#if FEATURE_accum
+
 extern void
 st_clear_accum_buffer(GLcontext *ctx, struct gl_renderbuffer *rb);
 
 extern void st_init_accum_functions(struct dd_function_table *functions);
 
+#else
+
+static INLINE void
+st_clear_accum_buffer(GLcontext *ctx, struct gl_renderbuffer *rb)
+{
+   ASSERT_NO_FEATURE();
+}
+
+static INLINE void
+st_init_accum_functions(struct dd_function_table *functions)
+{
+}
+
+#endif /* FEATURE_accum */
 
 #endif /* ST_CB_ACCUM_H */
diff --git a/src/mesa/state_tracker/st_context.c b/src/mesa/state_tracker/st_context.c
index 806f8777f2d..24360fa8bc7 100644
--- a/src/mesa/state_tracker/st_context.c
+++ b/src/mesa/state_tracker/st_context.c
@@ -302,9 +302,7 @@ void st_init_driver_functions(struct dd_function_table *functions)
 {
    _mesa_init_glsl_driver_functions(functions);
 
-#if FEATURE_accum
    st_init_accum_functions(functions);
-#endif
 #if FEATURE_EXT_framebuffer_blit
    st_init_blit_functions(functions);
 #endif