1 files changed, 12 insertions, 7 deletions
diff --git a/src/library_gl.js b/src/library_gl.js
index 2659a9d9..e67ec29b 100644
--- a/src/library_gl.js
+++ b/src/library_gl.js
@@ -833,6 +833,7 @@ var LibraryGL = {
     for (var i = 0; i < n; i++) {
       var id = {{{ makeGetValue('textures', 'i*4', 'i32') }}};
       var texture = GL.textures[id];
+      if (!texture) continue;
       GLctx.deleteTexture(texture);
       texture.name = 0;
       GL.textures[id] = null;
@@ -1316,7 +1317,7 @@ var LibraryGL = {
 #endif
     location = GL.uniforms[location];
     var view;
-    if (count == 1) {
+    if (count === 1) {
       // avoid allocation for the common case of uploading one uniform
       view = GL.miniTempBufferViews[0];
       view[0] = {{{ makeGetValue('value', '0', 'float') }}};
@@ -1333,7 +1334,7 @@ var LibraryGL = {
 #endif
     location = GL.uniforms[location];
     var view;
-    if (count == 1) {
+    if (count === 1) {
       // avoid allocation for the common case of uploading one uniform
       view = GL.miniTempBufferViews[1];
       view[0] = {{{ makeGetValue('value', '0', 'float') }}};
@@ -1351,7 +1352,7 @@ var LibraryGL = {
 #endif
     location = GL.uniforms[location];
     var view;
-    if (count == 1) {
+    if (count === 1) {
       // avoid allocation for the common case of uploading one uniform
       view = GL.miniTempBufferViews[2];
       view[0] = {{{ makeGetValue('value', '0', 'float') }}};
@@ -1370,7 +1371,7 @@ var LibraryGL = {
 #endif
     location = GL.uniforms[location];
     var view;
-    if (count == 1) {
+    if (count === 1) {
       // avoid allocation for the common case of uploading one uniform
       view = GL.miniTempBufferViews[3];
       view[0] = {{{ makeGetValue('value', '0', 'float') }}};
@@ -1390,7 +1391,7 @@ var LibraryGL = {
 #endif
     location = GL.uniforms[location];
     var view;
-    if (count == 1) {
+    if (count === 1) {
       // avoid allocation for the common case of uploading one uniform matrix
       view = GL.miniTempBufferViews[3];
       for (var i = 0; i < 4; i++) {
@@ -1409,7 +1410,7 @@ var LibraryGL = {
 #endif
     location = GL.uniforms[location];
     var view;
-    if (count == 1) {
+    if (count === 1) {
       // avoid allocation for the common case of uploading one uniform matrix
       view = GL.miniTempBufferViews[8];
       for (var i = 0; i < 9; i++) {
@@ -1428,7 +1429,7 @@ var LibraryGL = {
 #endif
     location = GL.uniforms[location];
     var view;
-    if (count == 1) {
+    if (count === 1) {
       // avoid allocation for the common case of uploading one uniform matrix
       view = GL.miniTempBufferViews[15];
       for (var i = 0; i < 16; i++) {
@@ -4347,6 +4348,10 @@ var LibraryGL = {
             }
             break;
           }
+          case 0x84FF: { // GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT
+            {{{ makeSetValue('params', '0', '0', 'i32') }}}; // no valid value to return here
+            return;
+          }
         }
         glGetIntegerv(pname, params);
       };