sync with latest EGL_MESA_screen_surface spec (EGLScreenMESA handles)

1 files changed, 26 insertions, 0 deletions

diff --git a/src/egl/main/eglconfig.c b/src/egl/main/eglconfig.c
index 765e2e3dbe..0fb7e26072 100644
--- a/src/egl/main/eglconfig.c
+++ b/src/egl/main/eglconfig.c
@@ -1,3 +1,4 @@
+#include <stdlib.h>
 #include <string.h>
 #include <assert.h>
 #include "eglconfig.h"
@@ -51,6 +52,31 @@ _eglLookupConfig(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config)
 }
 
 
+/**
+ * Add the given _EGLConifg to the given display.
+ */
+_EGLConfig *
+_eglAddConfig(_EGLDisplay *display, const _EGLConfig *config)
+{
+   _EGLConfig *newConfigs;
+   EGLint n;
+
+   n = display->NumConfigs;
+
+   newConfigs = (_EGLConfig *) realloc(display->Configs,
+                                       (n + 1) * sizeof(_EGLConfig));
+   if (newConfigs) {
+      display->Configs = newConfigs;
+      display->Configs[n] = *config; /* copy struct */
+      display->NumConfigs++;
+      return display->Configs + n;
+   }
+   else {
+      return NULL;
+   }
+}
+
+
 
 /**
  * Parse the attrib_list to fill in the fields of the given _egl_config