mesa: Select FEATURE_remap_table when multiple APIs are enabled.

Core mesa should query glapi for the positions of the functions in
_glapi_table when multiple APIs are supported.  It does not know which
glapitable.h glapi used.

src/mesa/main/dispatch.h

@@ -26,7 +26,9 @@
 #ifndef _DISPATCH_H
 #define _DISPATCH_H
 
-#ifdef IN_DRI_DRIVER
+#include "main/mfeatures.h"
+
+#if FEATURE_remap_table
 #define _GLAPI_USE_REMAP_TABLE
 #endif
 

src/mesa/main/es_generator.py

@@ -212,7 +212,7 @@ extern void _mesa_error(void *ctx, GLenum error, const char *fmtString, ... );
 #include "main/remap.h"
 
 /* cannot include main/dispatch.h here */
-#ifdef IN_DRI_DRIVER
+#if FEATURE_remap_table
 #define _GLAPI_USE_REMAP_TABLE
 #endif
 /* glapi uses GLAPIENTRY while GLES headers define GL_APIENTRY */

src/mesa/main/mfeatures.h

@@ -78,7 +78,7 @@
 #define FEATURE_GL !FEATURE_ES
 #endif
 
-#ifdef IN_DRI_DRIVER
+#if defined(IN_DRI_DRIVER) || (FEATURE_GL + FEATURE_ES1 + FEATURE_ES2 > 1)
 #define FEATURE_remap_table               1
 #else
 #define FEATURE_remap_table               0