From 57377d5d69ecdf03e4fa2ef44dfbb7fb37f3f799 Mon Sep 17 00:00:00 2001
From: Chia-I Wu <olvaffe@gmail.com>
Date: Mon, 7 Sep 2009 16:59:27 +0800
Subject: mesa/main: Make FEATURE_pixel_transfer follow feature conventions.

As shown in mfeatures.h, this allows users of pixel.h to work without
knowing if the feature is available.
---
 src/mesa/main/api_exec.c | 16 +++-------------
 src/mesa/main/pixel.c    | 22 ++++++++++++++++++++++
 src/mesa/main/pixel.h    | 25 ++++++++++++++++++++++---
 src/mesa/main/state.c    |  4 ----
 4 files changed, 47 insertions(+), 20 deletions(-)

diff --git a/src/mesa/main/api_exec.c b/src/mesa/main/api_exec.c
index 02550ae1088..39941a1b037 100644
--- a/src/mesa/main/api_exec.c
+++ b/src/mesa/main/api_exec.c
@@ -93,9 +93,7 @@
 #include "macros.h"
 #include "matrix.h"
 #include "multisample.h"
-#if FEATURE_pixel_transfer
 #include "pixel.h"
-#endif
 #include "pixelstore.h"
 #include "points.h"
 #include "polygon.h"
@@ -284,17 +282,9 @@ _mesa_init_exec_table(struct _glapi_table *exec)
    SET_MapGrid2f(exec, _mesa_MapGrid2f);
 #endif
    SET_MultMatrixd(exec, _mesa_MultMatrixd);
-#if FEATURE_pixel_transfer
-   SET_GetPixelMapfv(exec, _mesa_GetPixelMapfv);
-   SET_GetPixelMapuiv(exec, _mesa_GetPixelMapuiv);
-   SET_GetPixelMapusv(exec, _mesa_GetPixelMapusv);
-   SET_PixelMapfv(exec, _mesa_PixelMapfv);
-   SET_PixelMapuiv(exec, _mesa_PixelMapuiv);
-   SET_PixelMapusv(exec, _mesa_PixelMapusv);
-   SET_PixelTransferf(exec, _mesa_PixelTransferf);
-   SET_PixelTransferi(exec, _mesa_PixelTransferi);
-   SET_PixelZoom(exec, _mesa_PixelZoom);
-#endif
+
+   _mesa_init_pixel_dispatch(exec);
+
    SET_PixelStoref(exec, _mesa_PixelStoref);
    SET_PointSize(exec, _mesa_PointSize);
    SET_PolygonMode(exec, _mesa_PolygonMode);
diff --git a/src/mesa/main/pixel.c b/src/mesa/main/pixel.c
index fcef6dfd422..23a5c9b9f75 100644
--- a/src/mesa/main/pixel.c
+++ b/src/mesa/main/pixel.c
@@ -36,6 +36,10 @@
 #include "macros.h"
 #include "pixel.h"
 #include "mtypes.h"
+#include "glapi/dispatch.h"
+
+
+#if FEATURE_pixel_transfer
 
 
 /**********************************************************************/
@@ -756,6 +760,24 @@ void _mesa_update_pixel( GLcontext *ctx, GLuint new_state )
 }
 
 
+void 
+_mesa_init_pixel_dispatch(struct _glapi_table *disp)
+{
+   SET_GetPixelMapfv(disp, _mesa_GetPixelMapfv);
+   SET_GetPixelMapuiv(disp, _mesa_GetPixelMapuiv);
+   SET_GetPixelMapusv(disp, _mesa_GetPixelMapusv);
+   SET_PixelMapfv(disp, _mesa_PixelMapfv);
+   SET_PixelMapuiv(disp, _mesa_PixelMapuiv);
+   SET_PixelMapusv(disp, _mesa_PixelMapusv);
+   SET_PixelTransferf(disp, _mesa_PixelTransferf);
+   SET_PixelTransferi(disp, _mesa_PixelTransferi);
+   SET_PixelZoom(disp, _mesa_PixelZoom);
+}
+
+
+#endif /* FEATURE_pixel_transfer */
+
+
 /**********************************************************************/
 /*****                      Initialization                        *****/
 /**********************************************************************/
diff --git a/src/mesa/main/pixel.h b/src/mesa/main/pixel.h
index cb6c5262a39..7a901aec10a 100644
--- a/src/mesa/main/pixel.h
+++ b/src/mesa/main/pixel.h
@@ -33,9 +33,11 @@
 #define PIXEL_H
 
 
-#include "mtypes.h"
+#include "main/mtypes.h"
 
 
+#if FEATURE_pixel_transfer
+
 /** \name API functions */
 /*@{*/
 
@@ -68,13 +70,30 @@ _mesa_PixelZoom( GLfloat xfactor, GLfloat yfactor );
 
 /*@}*/
 
-
 extern void 
 _mesa_update_pixel( GLcontext *ctx, GLuint newstate );
 
+extern void 
+_mesa_init_pixel_dispatch( struct _glapi_table * disp );
+
+#else /* FEATURE_pixel_transfer */
+
+static INLINE void
+_mesa_update_pixel(GLcontext *ctx, GLuint newstate)
+{
+}
+
+static INLINE void
+_mesa_init_pixel_dispatch(struct _glapi_table *disp)
+{
+}
+
+#endif /* FEATURE_pixel_transfer */
+
+
 extern void 
 _mesa_init_pixel( GLcontext * ctx );
 
 /*@}*/
 
-#endif
+#endif /* PIXEL_H */
diff --git a/src/mesa/main/state.c b/src/mesa/main/state.c
index 140a998df2e..f10e6b04b7c 100644
--- a/src/mesa/main/state.c
+++ b/src/mesa/main/state.c
@@ -40,9 +40,7 @@
 #include "framebuffer.h"
 #include "light.h"
 #include "matrix.h"
-#if FEATURE_pixel_transfer
 #include "pixel.h"
-#endif
 #include "shader/program.h"
 #include "shader/prog_parameter.h"
 #include "state.h"
@@ -585,10 +583,8 @@ _mesa_update_state_locked( GLcontext *ctx )
    if (new_state & (_NEW_STENCIL | _NEW_BUFFERS))
       _mesa_update_stencil( ctx );
 
-#if FEATURE_pixel_transfer
    if (new_state & _MESA_NEW_TRANSFER_STATE)
       _mesa_update_pixel( ctx, new_state );
-#endif
 
    if (new_state & _DD_NEW_SEPARATE_SPECULAR)
       update_separate_specular( ctx );
-- 
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