glx: turn LIBGL_DIAGNOSTIC into a boolean

Instead of setting based on set/unset, allow users to use boolean values.

Signed-off-by: Eric Engestrom <eric.engestrom@imgtec.com>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>

src/glx/Makefile.am

@@ -99,6 +99,7 @@ libglx_la_SOURCES = \
 
 libglx_la_LIBADD = \
 	$(top_builddir)/src/loader/libloader.la \
+	$(top_builddir)/src/util/libmesautil.la \
 	$(top_builddir)/src/util/libxmlconfig.la
 
 if HAVE_DRISW

src/glx/SConscript

@@ -29,6 +29,7 @@ env.Append(CPPDEFINES = [
 
 env.Prepend(LIBS = [
     libloader,
+    mesautil,
     glapi
 ])
 

src/glx/apple/apple_glx_context.c

@@ -55,6 +55,8 @@
 #include "apple_cgl.h"
 #include "apple_glx_drawable.h"
 
+#include "util/debug.h"
+
 static pthread_mutex_t context_lock = PTHREAD_MUTEX_INITIALIZER;
 
 /*
@@ -181,7 +183,7 @@ apple_glx_create_context(void **ptr, Display * dpy, int screen,
          *x11errorptr = false;
       }
 
-      if (getenv("LIBGL_DIAGNOSTIC"))
+      if (env_var_as_boolean("LIBGL_DIAGNOSTIC", false))
          fprintf(stderr, "error: %s\n", apple_cgl.error_string(error));
 
       return true;

src/glx/apple/apple_glx_log.c

@@ -36,12 +36,13 @@
 #include <inttypes.h>
 #include <pthread.h>
 #include "apple_glx_log.h"
+#include "util/debug.h"
 
 static bool diagnostic = false;
 static aslclient aslc;
 
 void apple_glx_log_init(void) {
-    if (getenv("LIBGL_DIAGNOSTIC")) {
+    if (env_var_as_boolean("LIBGL_DIAGNOSTIC", false)) {
         diagnostic = true;
     }
 

src/glx/apple/apple_glx_pbuffer.c

@@ -40,12 +40,14 @@
 #include "apple_glx_context.h"
 #include "apple_glx_drawable.h"
 
+#include <stdbool.h>
 #include <stdlib.h>
 #include <pthread.h>
 #include <assert.h>
 #include "apple_glx.h"
 #include "glxconfig.h"
 #include "apple_cgl.h"
+#include "util/debug.h"
 
 /* mesa defines in glew.h, Apple in glext.h.
  * Due to namespace nightmares, just do it here.
@@ -208,7 +210,7 @@ get_max_size(int *widthresult, int *heightresult)
 
       err = apple_cgl.choose_pixel_format(attr, &pfobj, &vsref);
       if (kCGLNoError != err) {
-         if (getenv("LIBGL_DIAGNOSTIC")) {
+         if (env_var_as_boolean("LIBGL_DIAGNOSTIC", false)) {
             printf("choose_pixel_format error in %s: %s\n", __func__,
                    apple_cgl.error_string(err));
          }
@@ -220,7 +222,7 @@ get_max_size(int *widthresult, int *heightresult)
       err = apple_cgl.create_context(pfobj, NULL, &newcontext);
 
       if (kCGLNoError != err) {
-         if (getenv("LIBGL_DIAGNOSTIC")) {
+         if (env_var_as_boolean("LIBGL_DIAGNOSTIC", false)) {
             printf("create_context error in %s: %s\n", __func__,
                    apple_cgl.error_string(err));
          }

src/glx/glxext.c

@@ -38,6 +38,8 @@
  */
 
 #include <assert.h>
+#include <stdbool.h>
+
 #include "glxclient.h"
 #include <X11/extensions/Xext.h>
 #include <X11/extensions/extutil.h>
@@ -47,6 +49,8 @@
 #endif
 #include "glxextensions.h"
 
+#include "util/debug.h"
+
 #include <X11/Xlib-xcb.h>
 #include <xcb/xcb.h>
 #include <xcb/glx.h>
@@ -577,7 +581,7 @@ __glXInitializeVisualConfigFromTags(struct glx_config * config, int count,
          i = count;
          break;
       default:
-         if(getenv("LIBGL_DIAGNOSTIC")) {
+         if(env_var_as_boolean("LIBGL_DIAGNOSTIC", false)) {
              long int tagvalue = *bp++;
              fprintf(stderr, "WARNING: unknown GLX tag from server: "
                      "tag 0x%lx value 0x%lx\n", tag, tagvalue);