Move __glGenObject to GL.genObject. NFC

This function logically belongs alongside getNewId.

Split out from emscripten-core#18874

Author: sbc100

src/library_webgl.js

@@ -309,6 +309,34 @@ for (/**@suppress{duplicate}*/var i = 0; i < {{{ GL_POOL_TEMP_BUFFERS_SIZE }}};
       return ret;
     },
 
+    // The code path for creating textures, buffers, framebuffers and other
+    // objects the same (and not in fast path), so we merge the functions
+    // together.
+    // 'createFunction' refers to the WebGL context function name to do the actual
+    // creation, 'objectTable' points to the GL object table where to populate the
+    // created objects, and 'functionName' carries the name of the caller for
+    // debug information.
+    genObject: (n, buffers, createFunction, objectTable
+#if GL_ASSERTIONS
+      , functionName
+#endif
+      ) => {
+      for (var i = 0; i < n; i++) {
+        var buffer = GLctx[createFunction]();
+        var id = buffer && GL.getNewId(objectTable);
+        if (buffer) {
+          buffer.name = id;
+          objectTable[id] = buffer;
+        } else {
+          GL.recordError(0x502 /* GL_INVALID_OPERATION */);
+#if GL_ASSERTIONS
+          err(`GL_INVALID_OPERATION in ${functionName}: GLctx.${createFunction} returned null - most likely GL context is lost!`);
+#endif
+        }
+        {{{ makeSetValue('buffers', 'i*4', 'id', 'i32') }}};
+      }
+    },
+
 #if FULL_ES2 || LEGACY_GL_EMULATION
     // When user GL code wants to render from client-side memory, we need to
     // upload the vertex data to a temp VBO for rendering. Maintain a set of
@@ -1770,46 +1798,16 @@ for (/**@suppress{duplicate}*/var i = 0; i < {{{ GL_POOL_TEMP_BUFFERS_SIZE }}};
     return GLctx.isTexture(texture);
   },
 
-  // The code path for creating textures, buffers, framebuffers and other
-  // objects is so identical to each other (and not in fast path), that merge
-  // the functions together to only have one generated copy of this.
-  // 'createFunction' refers to the WebGL context function name to do the actual
-  // creation, 'objectTable' points to the GL object table where to populate the
-  // created objects, and 'functionName' carries the name of the caller for
-  // debug information.
-  $__glGenObject: (n, buffers, createFunction, objectTable
-#if GL_ASSERTIONS
-    , functionName
-#endif
-    ) => {
-    for (var i = 0; i < n; i++) {
-      var buffer = GLctx[createFunction]();
-      var id = buffer && GL.getNewId(objectTable);
-      if (buffer) {
-        buffer.name = id;
-        objectTable[id] = buffer;
-      } else {
-        GL.recordError(0x502 /* GL_INVALID_OPERATION */);
-#if GL_ASSERTIONS
-        err(`GL_INVALID_OPERATION in ${functionName}: GLctx.${createFunction} returned null - most likely GL context is lost!`);
-#endif
-      }
-      {{{ makeSetValue('buffers', 'i*4', 'id', 'i32') }}};
-    }
-  },
-
-  glGenBuffers__deps: ['$__glGenObject'],
   glGenBuffers: (n, buffers) => {
-    __glGenObject(n, buffers, 'createBuffer', GL.buffers
+    GL.genObject(n, buffers, 'createBuffer', GL.buffers
 #if GL_ASSERTIONS
     , 'glGenBuffers'
 #endif
       );
   },
 
-  glGenTextures__deps: ['$__glGenObject'],
   glGenTextures: (n, textures) => {
-    __glGenObject(n, textures, 'createTexture', GL.textures
+    GL.genObject(n, textures, 'createTexture', GL.textures
 #if GL_ASSERTIONS
     , 'glGenTextures'
 #endif
@@ -2055,9 +2053,8 @@ for (/**@suppress{duplicate}*/var i = 0; i < {{{ GL_POOL_TEMP_BUFFERS_SIZE }}};
     return GLctx.isBuffer(b);
   },
 
-  glGenRenderbuffers__deps: ['$__glGenObject'],
   glGenRenderbuffers: (n, renderbuffers) => {
-    __glGenObject(n, renderbuffers, 'createRenderbuffer', GL.renderbuffers
+    GL.genObject(n, renderbuffers, 'createRenderbuffer', GL.renderbuffers
 #if GL_ASSERTIONS
     , 'glGenRenderbuffers'
 #endif
@@ -3627,9 +3624,8 @@ for (/**@suppress{duplicate}*/var i = 0; i < {{{ GL_POOL_TEMP_BUFFERS_SIZE }}};
 
   },
 
-  glGenFramebuffers__deps: ['$__glGenObject'],
   glGenFramebuffers: (n, ids) => {
-    __glGenObject(n, ids, 'createFramebuffer', GL.framebuffers
+    GL.genObject(n, ids, 'createFramebuffer', GL.framebuffers
 #if GL_ASSERTIONS
     , 'glGenFramebuffers'
 #endif
@@ -3678,19 +3674,17 @@ for (/**@suppress{duplicate}*/var i = 0; i < {{{ GL_POOL_TEMP_BUFFERS_SIZE }}};
     return GLctx.isFramebuffer(fb);
   },
 
-  glGenVertexArrays__deps: ['$__glGenObject'
 #if LEGACY_GL_EMULATION
-  , '$emulGlGenVertexArrays'
+  glGenVertexArrays__deps: ['$emulGlGenVertexArrays'],
 #endif
-  ],
   glGenVertexArrays: (n, arrays) => {
 #if LEGACY_GL_EMULATION
     emulGlGenVertexArrays(n, arrays);
 #else
 #if GL_ASSERTIONS
     assert(GLctx.createVertexArray, 'Must have WebGL2 or OES_vertex_array_object to use vao');
 #endif
-    __glGenObject(n, arrays, 'createVertexArray', GL.vaos
+    GL.genObject(n, arrays, 'createVertexArray', GL.vaos
 #if GL_ASSERTIONS
     , 'glGenVertexArrays'
 #endif

src/library_webgl2.js

@@ -172,9 +172,8 @@ var LibraryWebGL2 = {
   },
 
   // Queries
-  glGenQueries__deps: ['$__glGenObject'],
   glGenQueries: (n, ids) => {
-    __glGenObject(n, ids, 'createQuery', GL.queries
+    GL.genObject(n, ids, 'createQuery', GL.queries
 #if GL_ASSERTIONS
     , 'glGenQueries'
 #endif
@@ -246,9 +245,8 @@ var LibraryWebGL2 = {
   },
 
   // Sampler objects
-  glGenSamplers__deps: ['$__glGenObject'],
   glGenSamplers: (n, samplers) => {
-    __glGenObject(n, samplers, 'createSampler', GL.samplers
+    GL.genObject(n, samplers, 'createSampler', GL.samplers
 #if GL_ASSERTIONS
     , 'glGenSamplers'
 #endif
@@ -340,9 +338,8 @@ var LibraryWebGL2 = {
   },
 
   // Transform Feedback
-  glGenTransformFeedbacks__deps: ['$__glGenObject'],
   glGenTransformFeedbacks: (n, ids) => {
-    __glGenObject(n, ids, 'createTransformFeedback', GL.transformFeedbacks
+    GL.genObject(n, ids, 'createTransformFeedback', GL.transformFeedbacks
 #if GL_ASSERTIONS
     , 'glGenTransformFeedbacks'
 #endif

test/code_size/hello_webgl2_wasm2js.json

@@ -2,9 +2,9 @@
   "a.html": 567,
   "a.html.gz": 379,
   "a.js": 17795,
-  "a.js.gz": 7978,
+  "a.js.gz": 7979,
   "a.mem": 3123,
   "a.mem.gz": 2693,
   "total": 21485,
-  "total_gz": 11050
+  "total_gz": 11051
 }

test/code_size/hello_webgl_wasm2js.json

@@ -2,9 +2,9 @@
   "a.html": 567,
   "a.html.gz": 379,
   "a.js": 17267,
-  "a.js.gz": 7813,
+  "a.js.gz": 7812,
   "a.mem": 3123,
   "a.mem.gz": 2693,
   "total": 20957,
-  "total_gz": 10885
+  "total_gz": 10884
 }

test/other/metadce/test_metadce_hello_O0.gzsize

@@ -1 +1 @@
-8355
+8348

test/other/metadce/test_metadce_hello_O0.jssize

@@ -1 +1 @@
-22908
+22894

test/other/metadce/test_metadce_minimal_O0.gzsize

@@ -1 +1 @@
-7176
+7169

test/other/metadce/test_metadce_minimal_O0.jssize

@@ -1 +1 @@
-19532
+19518

test/other/test_unoptimized_code_size.js.size

@@ -1 +1 @@
-58114
+58095