Added some symbol compatibility for OpenGL1.1.

Added implementations for
- eglTerminate
- eglDestroySurface
- eglDestroyContext
Stubbed out glTextEnvi

1 files changed, 40 insertions, 1 deletions

diff --git a/src/library_egl.js b/src/library_egl.js
index a9eb37dd..271ea29e 100644
--- a/src/library_egl.js
+++ b/src/library_egl.js
@@ -83,6 +83,17 @@ var LibraryEGL = {
     return 1;
   },
   
+// EGLAPI EGLBoolean EGLAPIENTRY eglTerminate(EGLDisplay dpy);
+  eglTerminate: function(display) {
+    if (display != 62000 /* Magic ID for Emscripten 'default display' */) {
+      EGL.setErrorCode(0x3008 /* EGL_BAD_DISPLAY */);
+      return 0;
+    }
+    // TODO: Tear down EGL here. Currently a no-op since we don't need to actually do anything here for the browser.
+    EGL.setErrorCode(0x3000 /* EGL_SUCCESS */);
+    return 1;
+  },
+
   // EGLAPI EGLBoolean EGLAPIENTRY eglGetConfigs(EGLDisplay dpy, EGLConfig *configs, EGLint config_size, EGLint *num_config);
   eglGetConfigs: function(display, configs, config_size, numConfigs) { 
     return EGL.chooseConfig(display, 0, configs, config_size, numConfigs);
@@ -225,6 +236,20 @@ var LibraryEGL = {
     return 62006; /* Magic ID for Emscripten 'default surface' */
   },
 
+  // EGLAPI EGLBoolean EGLAPIENTRY eglDestroySurface(EGLDisplay display, EGLSurface surface);
+  eglDestroySurface: function(display, surface) { 
+    if (display != 62000 /* Magic ID for Emscripten 'default display' */) {
+      EGL.setErrorCode(0x3008 /* EGL_BAD_DISPLAY */);
+      return 0; 
+    }
+    if (surface != 62006 /* Magic ID for the only EGLSurface supported by Emscripten */) {
+      EGL.setErrorCode(0x300D /* EGL_BAD_SURFACE */);
+      return 1;
+    }
+    EGL.setErrorCode(0x3000 /* EGL_SUCCESS */);
+    return 1; /* Magic ID for Emscripten 'default surface' */
+  },
+
   eglCreateContext__deps: ['glutCreateWindow', '$GL'],
   
   // EGLAPI EGLContext EGLAPIENTRY eglCreateContext(EGLDisplay dpy, EGLConfig config, EGLContext share_context, const EGLint *attrib_list);
@@ -234,7 +259,21 @@ var LibraryEGL = {
       return 0;
     }
 
-    _glutCreateWindow();
+    EGL.windowID = _glutCreateWindow();
+    EGL.setErrorCode(0x3000 /* EGL_SUCCESS */);
+    return 62004; // Magic ID for Emscripten EGLContext
+  },
+
+  eglDestroyContext__deps: ['glutDestroyWindow', '$GL'],
+  
+  // EGLAPI EGLBoolean EGLAPIENTRY eglDestroyContext(EGLDisplay dpy, EGLContext context);
+  eglDestroyContext: function(display, context) {
+    if (display != 62000 /* Magic ID for Emscripten 'default display' */) {
+      EGL.setErrorCode(0x3008 /* EGL_BAD_DISPLAY */);
+      return 0;
+    }
+
+    _glutDestroyWindow(EGL.windowID);
     EGL.setErrorCode(0x3000 /* EGL_SUCCESS */);
     return 62004; // Magic ID for Emscripten EGLContext
   },