Merge branch 'master' into libcxx

7 files changed, 11178 insertions, 34 deletions

diff --git a/AUTHORS b/AUTHORS
index b89b9eb4..8a46cef7 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -12,5 +12,6 @@ under the licensing terms detailed in LICENSE.
 * David Claughton <dave@eclecticdave.com>
 * David Yip <yipdw@member.fsf.org>
 * Julien Hamaide <julien.hamaide@gmail.com>
+* Ehsan Akhgari <ehsan.akhgari@gmail.com> (copyright owned by Mozilla Foundation)
 
 
diff --git a/src/library_gl.js b/src/library_gl.js
index f22eabcb..2be881df 100644
--- a/src/library_gl.js
+++ b/src/library_gl.js
@@ -10,12 +10,12 @@ var LibraryGL = {
 
   glGetString: function(name_) {
     switch(name_) {
-      case Module.ctxGL.VENDOR:
-      case Module.ctxGL.RENDERER:
-      case Module.ctxGL.VERSION:
-        return allocate(intArrayFromString(Module.ctxGL.getParameter(name_)), 'i8', ALLOC_NORMAL);
+      case Module.ctx.VENDOR:
+      case Module.ctx.RENDERER:
+      case Module.ctx.VERSION:
+        return allocate(intArrayFromString(Module.ctx.getParameter(name_)), 'i8', ALLOC_NORMAL);
       case 0x1F03: // Extensions
-        return allocate(intArrayFromString(Module.ctxGL.getSupportedExtensions().join(' ')), 'i8', ALLOC_NORMAL);
+        return allocate(intArrayFromString(Module.ctx.getSupportedExtensions().join(' ')), 'i8', ALLOC_NORMAL);
       default:
         throw 'Failure: Invalid glGetString value: ' + name_;
     }
@@ -23,8 +23,8 @@ var LibraryGL = {
 
   glGetIntegerv: function(name_, p) {
     switch(name_) {
-      case Module.ctxGL.MAX_TEXTURE_SIZE:
-        IHEAP[p] = Module.ctxGL.getParameter(name_);
+      case Module.ctx.MAX_TEXTURE_SIZE:
+        IHEAP[p] = Module.ctx.getParameter(name_);
         break;
       default:
         throw 'Failure: Invalid glGetIntegerv value: ' + name_;
@@ -35,7 +35,7 @@ var LibraryGL = {
   glGenTextures: function(n, textures) {
     for (var i = 0; i < n; i++) {
       var id = GL.textureCounter++;
-      GL.textures[id] = Module.ctxGL.createTexture();
+      GL.textures[id] = Module.ctx.createTexture();
       IHEAP[textures+QUANTUM_SIZE*i] = id;
     }
   },
@@ -43,7 +43,7 @@ var LibraryGL = {
   glDeleteTextures: function(n, textures) {
     for (var i = 0; i < n; i++) {
       var id = IHEAP[textures+QUANTUM_SIZE*i];
-      Module.ctxGL.deleteTexture(GL.textures[id]);
+      Module.ctx.deleteTexture(GL.textures[id]);
       delete GL.textures[id];
     }
   },
@@ -52,18 +52,34 @@ var LibraryGL = {
     if (pixels) {
       pixels = new Uint8Array(IHEAP.slice(pixels, pixels + width*height*4)); // TODO: optimize
     }
-    Module.ctxGL.texImage2D(target, level, internalformat, width, height, border, format, type, pixels);
+    Module.ctx.texImage2D(target, level, internalformat, width, height, border, format, type, pixels);
   },
 
   glTexSubImage2D: function(target, level, xoffset, yoffset, width, height, format, type, pixels) {
     if (pixels) {
       pixels = new Uint8Array(IHEAP.slice(pixels, pixels + width*height*4)); // TODO: optimize
     }
-    Module.ctxGL.texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixels);
+    Module.ctx.texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixels);
   },
 
   glBindTexture: function(target, texture) {
-    Module.ctxGL.bindTexture(target, GL.textures[texture]);
+    Module.ctx.bindTexture(target, GL.textures[texture]);
+  },
+
+  glClearColor: function(red, green, blue, alpha) {
+    Module.ctx.clearColor(red, green, blue, alpha);
+  },
+
+  glClear: function(mask) {
+    Module.ctx.clear(mask);
+  },
+
+  glEnable: function(cap) {
+    Module.ctx.enable(cap);
+  },
+
+  glScissor: function(x, y, width, height) {
+    Module.ctx.scissor(x, y, width, height);
   },
 
 };
@@ -83,7 +99,7 @@ var LibraryGL = {
   var num = data[0];
   var names = data[1];
   var args = range(num).map(function(i) { return 'x' + i }).join(', ');
-  var stub = '(function(' + args + ') { ' + (num > 0 ? 'Module.ctxGL.NAME(' + args + ')' : '') + ' })';
+  var stub = '(function(' + args + ') { ' + (num > 0 ? 'Module.ctx.NAME(' + args + ')' : '') + ' })';
   names.split(' ').forEach(function(name_) {
     var cName = 'gl' + name_[0].toUpperCase() + name_.substr(1);
     LibraryGL[cName] = eval(stub.replace('NAME', name_));
diff --git a/src/library_sdl.js b/src/library_sdl.js
index 32c93f67..ce26a106 100644
--- a/src/library_sdl.js
+++ b/src/library_sdl.js
@@ -1,16 +1,14 @@
 //"use strict";
 
 // To use emscripten's SDL library here, you need to define
-// Module.canvas and at least one of Module.ctx2D, Module.ctxGL.
+// Module.canvas.
 //
-// More specifically, for 2D our SDL implementation will look for
-// Module.canvas and Module.ctx2D. You should fill them using
-// something like
+// More specifically, our SDL implementation will look for
+// Module.canvas. You should fill it using something like
 //
 //      function onLoad() {
 //        // Pass canvas and context to the generated code
 //        Module.canvas = document.getElementById('canvas');
-//        Module.ctx2D = Module.canvas.getContext('2d');
 //      }
 //
 // Note that this must be called during onload, since you will
@@ -49,11 +47,6 @@
       function onLoad() {
         // Pass canvas and context to the generated code, and do the actual run() here
         Module.canvas = document.getElementById('canvas');
-        Module.ctx2D = Module.canvas.getContext('2d');
-        if (!Module.ctx2D) {
-          alert('Canvas not available :(');
-          return;
-        }
         Module.run();
       }
     </script>
@@ -70,9 +63,6 @@
 //
 //  * Make sure alpha values are proper in your input. If they are all 0, everything will be transparent!
 //
-//  * It's best to set the ctx stuff in your html file, as above. Otherwise you will need
-//    to edit the generated .js file each time you generate it.
-//
 //  * Your code should not write a 32-bit value and expect that to set an RGBA pixel.
 //    The reason is that that data will be read as 8-bit values, and according to the
 //    load-store consistency assumption, it should be written that way (see docs/paper.pdf).
@@ -166,11 +156,14 @@ mergeInto(LibraryManager.library, {
       {{{ makeSetValue('pixelFormat + SDL.structs.PixelFormat.Bmask', '0', '0xff', 'i32') }}}
       {{{ makeSetValue('pixelFormat + SDL.structs.PixelFormat.Amask', '0', '0xff', 'i32') }}}
 
+      // Decide if we want to use WebGL or not
+      var useWebGL = (flags & 0x04000000) != 0; // SDL_OPENGL
+
       SDL.surfaces[surf] = {
         width: width,
         height: height,
         canvas: Module['canvas'],
-        ctx: Module['ctx2D'],
+        ctx: SDL.createContext(useWebGL),
         surf: surf,
         buffer: buffer,
         pixelFormat: pixelFormat,
@@ -179,6 +172,17 @@ mergeInto(LibraryManager.library, {
       return surf;
     },
 
+    createContext: function(useWebGL) {
+      try {
+        var ctx = Module.canvas.getContext(useWebGL ? 'experimental-webgl' : '2d');
+        if (!ctx) throw 'Could not create canvas :(';
+        return Module.ctx = ctx;
+      } catch (e) {
+        Module.print('(canvas not available)');
+        return null;
+      }
+    },
+
     freeSurface: function(surf) {
       _free(SDL.surfaces[surf].buffer);
       _free(SDL.surfaces[surf].pixelFormat);
diff --git a/src/modules.js b/src/modules.js
index ce54af98..7b8ac390 100644
--- a/src/modules.js
+++ b/src/modules.js
@@ -322,7 +322,7 @@ var LibraryManager = {
   load: function() {
     assert(!this.library);
 
-    for (var suffix in set('', '_sdl', '_browser')) {
+    for (var suffix in set('', '_sdl', '_browser', '_gl')) {
       eval(processMacros(preprocess(read('library' + suffix + '.js'))));
     }
   },
diff --git a/src/shell.html b/src/shell.html
index c096a314..6b6bbdad 100644
--- a/src/shell.html
+++ b/src/shell.html
@@ -19,12 +19,6 @@
         })(),
         canvas: document.getElementById('canvas')
       };
-      try {
-        Module.ctx2D = Module.canvas.getContext('2d');
-        if (!Module.ctx2D) throw 'Could not create canvas :(';
-      } catch (e) {
-        Module.print('(canvas not available)');
-      }
 
       // The compiled code
       {{{ SCRIPT_CODE }}}
diff --git a/system/include/GL/glext.h b/system/include/GL/glext.h
new file mode 100644
index 00000000..9048515c
--- /dev/null
+++ b/system/include/GL/glext.h
@@ -0,0 +1,11127 @@
+#ifndef __glext_h_
+#define __glext_h_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+** Copyright (c) 2007-2011 The Khronos Group Inc.
+** 
+** Permission is hereby granted, free of charge, to any person obtaining a
+** copy of this software and/or associated documentation files (the
+** "Materials"), to deal in the Materials without restriction, including
+** without limitation the rights to use, copy, modify, merge, publish,
+** distribute, sublicense, and/or sell copies of the Materials, and to
+** permit persons to whom the Materials are furnished to do so, subject to
+** the following conditions:
+** 
+** The above copyright notice and this permission notice shall be included
+** in all copies or substantial portions of the Materials.
+** 
+** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
+*/
+
+/* Header file version number, required by OpenGL ABI for Linux */
+/* glext.h last updated $Date: 2011-07-06 02:49:14 -0700 (Wed, 06 Jul 2011) $ */
+/* Current version at http://www.opengl.org/registry/ */
+#define GL_GLEXT_VERSION 71
+/* Function declaration macros - to move into glplatform.h */
+
+#if defined(_WIN32) && !defined(APIENTRY) && !defined(__CYGWIN__) && !defined(__SCITECH_SNAP__)
+#define WIN32_LEAN_AND_MEAN 1
+#include <windows.h>
+#endif
+
+#ifndef APIENTRY
+#define APIENTRY
+#endif
+#ifndef APIENTRYP
+#define APIENTRYP APIENTRY *
+#endif
+#ifndef GLAPI
+#define GLAPI extern
+#endif
+
+/*************************************************************/
+
+#ifndef GL_VERSION_1_2
+#define GL_UNSIGNED_BYTE_3_3_2            0x8032
+#define GL_UNSIGNED_SHORT_4_4_4_4         0x8033
+#define GL_UNSIGNED_SHORT_5_5_5_1         0x8034
+#define GL_UNSIGNED_INT_8_8_8_8           0x8035
+#define GL_UNSIGNED_INT_10_10_10_2        0x8036
+#define GL_TEXTURE_BINDING_3D             0x806A
+#define GL_PACK_SKIP_IMAGES               0x806B
+#define GL_PACK_IMAGE_HEIGHT              0x806C
+#define GL_UNPACK_SKIP_IMAGES             0x806D
+#define GL_UNPACK_IMAGE_HEIGHT            0x806E
+#define GL_TEXTURE_3D                     0x806F
+#define GL_PROXY_TEXTURE_3D               0x8070
+#define GL_TEXTURE_DEPTH                  0x8071
+#define GL_TEXTURE_WRAP_R                 0x8072
+#define GL_MAX_3D_TEXTURE_SIZE            0x8073
+#define GL_UNSIGNED_BYTE_2_3_3_REV        0x8362
+#define GL_UNSIGNED_SHORT_5_6_5           0x8363
+#define GL_UNSIGNED_SHORT_5_6_5_REV       0x8364
+#define GL_UNSIGNED_SHORT_4_4_4_4_REV     0x8365
+#define GL_UNSIGNED_SHORT_1_5_5_5_REV     0x8366
+#define GL_UNSIGNED_INT_8_8_8_8_REV       0x8367
+#define GL_UNSIGNED_INT_2_10_10_10_REV    0x8368
+#define GL_BGR                            0x80E0
+#define GL_BGRA                           0x80E1
+#define GL_MAX_ELEMENTS_VERTICES          0x80E8
+#define GL_MAX_ELEMENTS_INDICES           0x80E9
+#define GL_CLAMP_TO_EDGE                  0x812F
+#define GL_TEXTURE_MIN_LOD                0x813A
+#define GL_TEXTURE_MAX_LOD                0x813B
+#define GL_TEXTURE_BASE_LEVEL             0x813C
+#define GL_TEXTURE_MAX_LEVEL              0x813D
+#define GL_SMOOTH_POINT_SIZE_RANGE        0x0B12
+#define GL_SMOOTH_POINT_SIZE_GRANULARITY  0x0B13
+#define GL_SMOOTH_LINE_WIDTH_RANGE        0x0B22
+#define GL_SMOOTH_LINE_WIDTH_GRANULARITY  0x0B23
+#define GL_ALIASED_LINE_WIDTH_RANGE       0x846E
+#endif
+
+#ifndef GL_VERSION_1_2_DEPRECATED
+#define GL_RESCALE_NORMAL                 0x803A
+#define GL_LIGHT_MODEL_COLOR_CONTROL      0x81F8
+#define GL_SINGLE_COLOR                   0x81F9
+#define GL_SEPARATE_SPECULAR_COLOR        0x81FA
+#define GL_ALIASED_POINT_SIZE_RANGE       0x846D
+#endif
+
+#ifndef GL_ARB_imaging
+#define GL_CONSTANT_COLOR                 0x8001
+#define GL_ONE_MINUS_CONSTANT_COLOR       0x8002
+#define GL_CONSTANT_ALPHA                 0x8003
+#define GL_ONE_MINUS_CONSTANT_ALPHA       0x8004
+#define GL_BLEND_COLOR                    0x8005
+#define GL_FUNC_ADD                       0x8006
+#define GL_MIN                            0x8007
+#define GL_MAX                            0x8008
+#define GL_BLEND_EQUATION                 0x8009
+#define GL_FUNC_SUBTRACT                  0x800A
+#define GL_FUNC_REVERSE_SUBTRACT          0x800B
+#endif
+
+#ifndef GL_ARB_imaging_DEPRECATED
+#define GL_CONVOLUTION_1D                 0x8010
+#define GL_CONVOLUTION_2D                 0x8011
+#define GL_SEPARABLE_2D                   0x8012
+#define GL_CONVOLUTION_BORDER_MODE        0x8013
+#define GL_CONVOLUTION_FILTER_SCALE       0x8014
+#define GL_CONVOLUTION_FILTER_BIAS        0x8015
+#define GL_REDUCE                         0x8016
+#define GL_CONVOLUTION_FORMAT             0x8017
+#define GL_CONVOLUTION_WIDTH              0x8018
+#define GL_CONVOLUTION_HEIGHT             0x8019
+#define GL_MAX_CONVOLUTION_WIDTH          0x801A
+#define GL_MAX_CONVOLUTION_HEIGHT         0x801B
+#define GL_POST_CONVOLUTION_RED_SCALE     0x801C
+#define GL_POST_CONVOLUTION_GREEN_SCALE   0x801D
+#define GL_POST_CONVOLUTION_BLUE_SCALE    0x801E
+#define GL_POST_CONVOLUTION_ALPHA_SCALE   0x801F
+#define GL_POST_CONVOLUTION_RED_BIAS      0x8020
+#define GL_POST_CONVOLUTION_GREEN_BIAS    0x8021
+#define GL_POST_CONVOLUTION_BLUE_BIAS     0x8022
+#define GL_POST_CONVOLUTION_ALPHA_BIAS    0x8023
+#define GL_HISTOGRAM                      0x8024
+#define GL_PROXY_HISTOGRAM                0x8025
+#define GL_HISTOGRAM_WIDTH                0x8026
+#define GL_HISTOGRAM_FORMAT               0x8027
+#define GL_HISTOGRAM_RED_SIZE             0x8028
+#define GL_HISTOGRAM_GREEN_SIZE           0x8029
+#define GL_HISTOGRAM_BLUE_SIZE            0x802A
+#define GL_HISTOGRAM_ALPHA_SIZE           0x802B
+#define GL_HISTOGRAM_LUMINANCE_SIZE       0x802C
+#define GL_HISTOGRAM_SINK                 0x802D
+#define GL_MINMAX                         0x802E
+#define GL_MINMAX_FORMAT                  0x802F
+#define GL_MINMAX_SINK                    0x8030
+#define GL_TABLE_TOO_LARGE                0x8031
+#define GL_COLOR_MATRIX                   0x80B1
+#define GL_COLOR_MATRIX_STACK_DEPTH       0x80B2
+#define GL_MAX_COLOR_MATRIX_STACK_DEPTH   0x80B3
+#define GL_POST_COLOR_MATRIX_RED_SCALE    0x80B4
+#define GL_POST_COLOR_MATRIX_GREEN_SCALE  0x80B5
+#define GL_POST_COLOR_MATRIX_BLUE_SCALE   0x80B6
+#define GL_POST_COLOR_MATRIX_ALPHA_SCALE  0x80B7
+#define GL_POST_COLOR_MATRIX_RED_BIAS     0x80B8
+#define GL_POST_COLOR_MATRIX_GREEN_BIAS   0x80B9
+#define GL_POST_COLOR_MATRIX_BLUE_BIAS    0x80BA
+#define GL_POST_COLOR_MATRIX_ALPHA_BIAS   0x80BB
+#define GL_COLOR_TABLE                    0x80D0
+#define GL_POST_CONVOLUTION_COLOR_TABLE   0x80D1
+#define GL_POST_COLOR_MATRIX_COLOR_TABLE  0x80D2
+#define GL_PROXY_COLOR_TABLE              0x80D3
+#define GL_PROXY_POST_CONVOLUTION_COLOR_TABLE 0x80D4
+#define GL_PROXY_POST_COLOR_MATRIX_COLOR_TABLE 0x80D5
+#define GL_COLOR_TABLE_SCALE              0x80D6
+#define GL_COLOR_TABLE_BIAS               0x80D7
+#define GL_COLOR_TABLE_FORMAT             0x80D8
+#define GL_COLOR_TABLE_WIDTH              0x80D9
+#define GL_COLOR_TABLE_RED_SIZE           0x80DA
+#define GL_COLOR_TABLE_GREEN_SIZE         0x80DB
+#define GL_COLOR_TABLE_BLUE_SIZE          0x80DC
+#define GL_COLOR_TABLE_ALPHA_SIZE         0x80DD
+#define GL_COLOR_TABLE_LUMINANCE_SIZE     0x80DE
+#define GL_COLOR_TABLE_INTENSITY_SIZE     0x80DF
+#define GL_CONSTANT_BORDER                0x8151
+#define GL_REPLICATE_BORDER               0x8153
+#define GL_CONVOLUTION_BORDER_COLOR       0x8154
+#endif
+
+#ifndef GL_VERSION_1_3
+#define GL_TEXTURE0                       0x84C0
+#define GL_TEXTURE1                       0x84C1
+#define GL_TEXTURE2                       0x84C2
+#define GL_TEXTURE3                       0x84C3
+#define GL_TEXTURE4                       0x84C4
+#define GL_TEXTURE5                       0x84C5
+#define GL_TEXTURE6                       0x84C6
+#define GL_TEXTURE7                       0x84C7
+#define GL_TEXTURE8                       0x84C8
+#define GL_TEXTURE9                       0x84C9
+#define GL_TEXTURE10                      0x84CA
+#define GL_TEXTURE11                      0x84CB
+#define GL_TEXTURE12                      0x84CC
+#define GL_TEXTURE13                      0x84CD
+#define GL_TEXTURE14                      0x84CE
+#define GL_TEXTURE15                      0x84CF
+#define GL_TEXTURE16                      0x84D0
+#define GL_TEXTURE17                      0x84D1
+#define GL_TEXTURE18                      0x84D2
+#define GL_TEXTURE19                      0x84D3
+#define GL_TEXTURE20                      0x84D4
+#define GL_TEXTURE21                      0x84D5
+#define GL_TEXTURE22                      0x84D6
+#define GL_TEXTURE23                      0x84D7
+#define GL_TEXTURE24                      0x84D8
+#define GL_TEXTURE25                      0x84D9
+#define GL_TEXTURE26                      0x84DA
+#define GL_TEXTURE27                      0x84DB
+#define GL_TEXTURE28                      0x84DC
+#define GL_TEXTURE29                      0x84DD
+#define GL_TEXTURE30                      0x84DE
+#define GL_TEXTURE31                      0x84DF
+#define GL_ACTIVE_TEXTURE                 0x84E0
+#define GL_MULTISAMPLE                    0x809D
+#define GL_SAMPLE_ALPHA_TO_COVERAGE       0x809E
+#define GL_SAMPLE_ALPHA_TO_ONE            0x809F
+#define GL_SAMPLE_COVERAGE                0x80A0
+#define GL_SAMPLE_BUFFERS                 0x80A8
+#define GL_SAMPLES                        0x80A9
+#define GL_SAMPLE_COVERAGE_VALUE          0x80AA
+#define GL_SAMPLE_COVERAGE_INVERT         0x80AB
+#define GL_TEXTURE_CUBE_MAP               0x8513
+#define GL_TEXTURE_BINDING_CUBE_MAP       0x8514
+#define GL_TEXTURE_CUBE_MAP_POSITIVE_X    0x8515
+#define GL_TEXTURE_CUBE_MAP_NEGATIVE_X    0x8516
+#define GL_TEXTURE_CUBE_MAP_POSITIVE_Y    0x8517
+#define GL_TEXTURE_CUBE_MAP_NEGATIVE_Y    0x8518
+#define GL_TEXTURE_CUBE_MAP_POSITIVE_Z    0x8519
+#define GL_TEXTURE_CUBE_MAP_NEGATIVE_Z    0x851A
+#define GL_PROXY_TEXTURE_CUBE_MAP         0x851B
+#define GL_MAX_CUBE_MAP_TEXTURE_SIZE      0x851C
+#define GL_COMPRESSED_RGB                 0x84ED
+#define GL_COMPRESSED_RGBA                0x84EE
+#define GL_TEXTURE_COMPRESSION_HINT       0x84EF
+#define GL_TEXTURE_COMPRESSED_IMAGE_SIZE  0x86A0
+#define GL_TEXTURE_COMPRESSED             0x86A1
+#define GL_NUM_COMPRESSED_TEXTURE_FORMATS 0x86A2
+#define GL_COMPRESSED_TEXTURE_FORMATS     0x86A3
+#define GL_CLAMP_TO_BORDER                0x812D
+#endif
+
+#ifndef GL_VERSION_1_3_DEPRECATED
+#define GL_CLIENT_ACTIVE_TEXTURE          0x84E1
+#define GL_MAX_TEXTURE_UNITS              0x84E2
+#define GL_TRANSPOSE_MODELVIEW_MATRIX     0x84E3
+#define GL_TRANSPOSE_PROJECTION_MATRIX    0x84E4
+#define GL_TRANSPOSE_TEXTURE_MATRIX       0x84E5
+#define GL_TRANSPOSE_COLOR_MATRIX         0x84E6
+#define GL_MULTISAMPLE_BIT                0x20000000
+#define GL_NORMAL_MAP                     0x8511
+#define GL_REFLECTION_MAP                 0x8512
+#define GL_COMPRESSED_ALPHA               0x84E9
+#define GL_COMPRESSED_LUMINANCE           0x84EA
+#define GL_COMPRESSED_LUMINANCE_ALPHA     0x84EB
+#define GL_COMPRESSED_INTENSITY           0x84EC
+#define GL_COMBINE                        0x8570
+#define GL_COMBINE_RGB                    0x8571
+#define GL_COMBINE_ALPHA                  0x8572
+#define GL_SOURCE0_RGB                    0x8580
+#define GL_SOURCE1_RGB                    0x8581
+#define GL_SOURCE2_RGB                    0x8582
+#define GL_SOURCE0_ALPHA                  0x8588
+#define GL_SOURCE1_ALPHA                  0x8589
+#define GL_SOURCE2_ALPHA                  0x858A
+#define GL_OPERAND0_RGB                   0x8590
+#define GL_OPERAND1_RGB                   0x8591
+#define GL_OPERAND2_RGB                   0x8592
+#define GL_OPERAND0_ALPHA                 0x8598
+#define GL_OPERAND1_ALPHA                 0x8599
+#define GL_OPERAND2_ALPHA                 0x859A
+#define GL_RGB_SCALE                      0x8573
+#define GL_ADD_SIGNED                     0x8574
+#define GL_INTERPOLATE                    0x8575
+#define GL_SUBTRACT                       0x84E7
+#define GL_CONSTANT                       0x8576
+#define GL_PRIMARY_COLOR                  0x8577
+#define GL_PREVIOUS                       0x8578
+#define GL_DOT3_RGB                       0x86AE
+#define GL_DOT3_RGBA                      0x86AF
+#endif
+
+#ifndef GL_VERSION_1_4
+#define GL_BLEND_DST_RGB                  0x80C8
+#define GL_BLEND_SRC_RGB                  0x80C9
+#define GL_BLEND_DST_ALPHA                0x80CA
+#define GL_BLEND_SRC_ALPHA                0x80CB
+#define GL_POINT_FADE_THRESHOLD_SIZE      0x8128
+#define GL_DEPTH_COMPONENT16              0x81A5
+#define GL_DEPTH_COMPONENT24              0x81A6
+#define GL_DEPTH_COMPONENT32              0x81A7
+#define GL_MIRRORED_REPEAT                0x8370
+#define GL_MAX_TEXTURE_LOD_BIAS           0x84FD
+#define GL_TEXTURE_LOD_BIAS               0x8501
+#define GL_INCR_WRAP                      0x8507
+#define GL_DECR_WRAP                      0x8508
+#define GL_TEXTURE_DEPTH_SIZE             0x884A
+#define GL_TEXTURE_COMPARE_MODE           0x884C
+#define GL_TEXTURE_COMPARE_FUNC           0x884D
+#endif
+
+#ifndef GL_VERSION_1_4_DEPRECATED
+#define GL_POINT_SIZE_MIN                 0x8126
+#define GL_POINT_SIZE_MAX                 0x8127
+#define GL_POINT_DISTANCE_ATTENUATION     0x8129
+#define GL_GENERATE_MIPMAP                0x8191
+#define GL_GENERATE_MIPMAP_HINT           0x8192
+#define GL_FOG_COORDINATE_SOURCE          0x8450
+#define GL_FOG_COORDINATE                 0x8451
+#define GL_FRAGMENT_DEPTH                 0x8452
+#define GL_CURRENT_FOG_COORDINATE         0x8453
+#define GL_FOG_COORDINATE_ARRAY_TYPE      0x8454
+#define GL_FOG_COORDINATE_ARRAY_STRIDE    0x8455
+#define GL_FOG_COORDINATE_ARRAY_POINTER   0x8456
+#define GL_FOG_COORDINATE_ARRAY           0x8457
+#define GL_COLOR_SUM                      0x8458
+#define GL_CURRENT_SECONDARY_COLOR        0x8459
+#define GL_SECONDARY_COLOR_ARRAY_SIZE     0x845A
+#define GL_SECONDARY_COLOR_ARRAY_TYPE     0x845B
+#define GL_SECONDARY_COLOR_ARRAY_STRIDE   0x845C
+#define GL_SECONDARY_COLOR_ARRAY_POINTER  0x845D
+#define GL_SECONDARY_COLOR_ARRAY          0x845E
+#define GL_TEXTURE_FILTER_CONTROL         0x8500
+#define GL_DEPTH_TEXTURE_MODE             0x884B
+#define GL_COMPARE_R_TO_TEXTURE           0x884E
+#endif
+
+#ifndef GL_VERSION_1_5
+#define GL_BUFFER_SIZE                    0x8764
+#define GL_BUFFER_USAGE                   0x8765
+#define GL_QUERY_COUNTER_BITS             0x8864
+#define GL_CURRENT_QUERY                  0x8865
+#define GL_QUERY_RESULT                   0x8866
+#define GL_QUERY_RESULT_AVAILABLE         0x8867
+#define GL_ARRAY_BUFFER                   0x8892
+#define GL_ELEMENT_ARRAY_BUFFER           0x8893
+#define GL_ARRAY_BUFFER_BINDING           0x8894
+#define GL_ELEMENT_ARRAY_BUFFER_BINDING   0x8895
+#define GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING 0x889F
+#define GL_READ_ONLY                      0x88B8
+#define GL_WRITE_ONLY                     0x88B9
+#define GL_READ_WRITE                     0x88BA
+#define GL_BUFFER_ACCESS                  0x88BB
+#define GL_BUFFER_MAPPED                  0x88BC
+#define GL_BUFFER_MAP_POINTER             0x88BD
+#define GL_STREAM_DRAW                    0x88E0
+#define GL_STREAM_READ                    0x88E1
+#define GL_STREAM_COPY                    0x88E2
+#define GL_STATIC_DRAW                    0x88E4
+#define GL_STATIC_READ                    0x88E5
+#define GL_STATIC_COPY                    0x88E6
+#define GL_DYNAMIC_DRAW                   0x88E8
+#define GL_DYNAMIC_READ                   0x88E9
+#define GL_DYNAMIC_COPY                   0x88EA
+#define GL_SAMPLES_PASSED                 0x8914
+#endif
+
+#ifndef GL_VERSION_1_5_DEPRECATED
+#define GL_VERTEX_ARRAY_BUFFER_BINDING    0x8896
+#define GL_NORMAL_ARRAY_BUFFER_BINDING    0x8897
+#define GL_COLOR_ARRAY_BUFFER_BINDING     0x8898
+#define GL_INDEX_ARRAY_BUFFER_BINDING     0x8899
+#define GL_TEXTURE_COORD_ARRAY_BUFFER_BINDING 0x889A
+#define GL_EDGE_FLAG_ARRAY_BUFFER_BINDING 0x889B
+#define GL_SECONDARY_COLOR_ARRAY_BUFFER_BINDING 0x889C
+#define GL_FOG_COORDINATE_ARRAY_BUFFER_BINDING 0x889D
+#define GL_WEIGHT_ARRAY_BUFFER_BINDING    0x889E
+#define GL_FOG_COORD_SRC                  0x8450
+#define GL_FOG_COORD                      0x8451
+#define GL_CURRENT_FOG_COORD              0x8453
+#define GL_FOG_COORD_ARRAY_TYPE           0x8454
+#define GL_FOG_COORD_ARRAY_STRIDE         0x8455
+#define GL_FOG_COORD_ARRAY_POINTER        0x8456
+#define GL_FOG_COORD_ARRAY                0x8457
+#define GL_FOG_COORD_ARRAY_BUFFER_BINDING 0x889D
+#define GL_SRC0_RGB                       0x8580
+#define GL_SRC1_RGB                       0x8581
+#define GL_SRC2_RGB                       0x8582
+#define GL_SRC0_ALPHA                     0x8588
+#define GL_SRC1_ALPHA                     0x8589
+#define GL_SRC2_ALPHA                     0x858A
+#endif
+
+#ifndef GL_VERSION_2_0
+#define GL_BLEND_EQUATION_RGB             0x8009
+#define GL_VERTEX_ATTRIB_ARRAY_ENABLED    0x8622
+#define GL_VERTEX_ATTRIB_ARRAY_SIZE       0x8623
+#define GL_VERTEX_ATTRIB_ARRAY_STRIDE     0x8624
+#define GL_VERTEX_ATTRIB_ARRAY_TYPE       0x8625
+#define GL_CURRENT_VERTEX_ATTRIB          0x8626
+#define GL_VERTEX_PROGRAM_POINT_SIZE      0x8642
+#define GL_VERTEX_ATTRIB_ARRAY_POINTER    0x8645
+#define GL_STENCIL_BACK_FUNC              0x8800
+#define GL_STENCIL_BACK_FAIL              0x8801
+#define GL_STENCIL_BACK_PASS_DEPTH_FAIL   0x8802
+#define GL_STENCIL_BACK_PASS_DEPTH_PASS   0x8803
+#define GL_MAX_DRAW_BUFFERS               0x8824
+#define GL_DRAW_BUFFER0                   0x8825
+#define GL_DRAW_BUFFER1                   0x8826
+#define GL_DRAW_BUFFER2                   0x8827
+#define GL_DRAW_BUFFER3                   0x8828
+#define GL_DRAW_BUFFER4                   0x8829
+#define GL_DRAW_BUFFER5                   0x882A
+#define GL_DRAW_BUFFER6                   0x882B
+#define GL_DRAW_BUFFER7                   0x882C
+#define GL_DRAW_BUFFER8                   0x882D
+#define GL_DRAW_BUFFER9                   0x882E
+#define GL_DRAW_BUFFER10                  0x882F
+#define GL_DRAW_BUFFER11                  0x8830
+#define GL_DRAW_BUFFER12                  0x8831
+#define GL_DRAW_BUFFER13                  0x8832
+#define GL_DRAW_BUFFER14                  0x8833
+#define GL_DRAW_BUFFER15                  0x8834
+#define GL_BLEND_EQUATION_ALPHA           0x883D
+#define GL_MAX_VERTEX_ATTRIBS             0x8869
+#define GL_VERTEX_ATTRIB_ARRAY_NORMALIZED 0x886A
+#define GL_MAX_TEXTURE_IMAGE_UNITS        0x8872
+#define GL_FRAGMENT_SHADER                0x8B30
+#define GL_VERTEX_SHADER                  0x8B31
+#define GL_MAX_FRAGMENT_UNIFORM_COMPONENTS 0x8B49
+#define GL_MAX_VERTEX_UNIFORM_COMPONENTS  0x8B4A
+#define GL_MAX_VARYING_FLOATS             0x8B4B
+#define GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS 0x8B4C
+#define GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS 0x8B4D
+#define GL_SHADER_TYPE                    0x8B4F
+#define GL_FLOAT_VEC2                     0x8B50
+#define GL_FLOAT_VEC3                     0x8B51
+#define GL_FLOAT_VEC4                     0x8B52
+#define GL_INT_VEC2                       0x8B53
+#define GL_INT_VEC3                       0x8B54
+#define GL_INT_VEC4                       0x8B55
+#define GL_BOOL                           0x8B56
+#define GL_BOOL_VEC2                      0x8B57
+#define GL_BOOL_VEC3                      0x8B58
+#define GL_BOOL_VEC4                      0x8B59
+#define GL_FLOAT_MAT2                     0x8B5A
+#define GL_FLOAT_MAT3                     0x8B5B
+#define GL_FLOAT_MAT4                     0x8B5C
+#define GL_SAMPLER_1D                     0x8B5D
+#define GL_SAMPLER_2D                     0x8B5E
+#define GL_SAMPLER_3D                     0x8B5F
+#define GL_SAMPLER_CUBE                   0x8B60
+#define GL_SAMPLER_1D_SHADOW              0x8B61
+#define GL_SAMPLER_2D_SHADOW              0x8B62
+#define GL_DELETE_STATUS                  0x8B80
+#define GL_COMPILE_STATUS                 0x8B81
+#define GL_LINK_STATUS                    0x8B82
+#define GL_VALIDATE_STATUS                0x8B83
+#define GL_INFO_LOG_LENGTH                0x8B84
+#define GL_ATTACHED_SHADERS               0x8B85
+#define GL_ACTIVE_UNIFORMS                0x8B86
+#define GL_ACTIVE_UNIFORM_MAX_LENGTH      0x8B87
+#define GL_SHADER_SOURCE_LENGTH           0x8B88
+#define GL_ACTIVE_ATTRIBUTES              0x8B89
+#define GL_ACTIVE_ATTRIBUTE_MAX_LENGTH    0x8B8A
+#define GL_FRAGMENT_SHADER_DERIVATIVE_HINT 0x8B8B
+#define GL_SHADING_LANGUAGE_VERSION       0x8B8C
+#define GL_CURRENT_PROGRAM                0x8B8D
+#define GL_POINT_SPRITE_COORD_ORIGIN      0x8CA0
+#define GL_LOWER_LEFT                     0x8CA1
+#define GL_UPPER_LEFT                     0x8CA2
+#define GL_STENCIL_BACK_REF               0x8CA3
+#define GL_STENCIL_BACK_VALUE_MASK        0x8CA4
+#define GL_STENCIL_BACK_WRITEMASK         0x8CA5
+#endif
+
+#ifndef GL_VERSION_2_0_DEPRECATED
+#define GL_VERTEX_PROGRAM_TWO_SIDE        0x8643
+#define GL_POINT_SPRITE                   0x8861
+#define GL_COORD_REPLACE                  0x8862
+#define GL_MAX_TEXTURE_COORDS             0x8871
+#endif
+
+#ifndef GL_VERSION_2_1
+#define GL_PIXEL_PACK_BUFFER              0x88EB
+#define GL_PIXEL_UNPACK_BUFFER            0x88EC
+#define GL_PIXEL_PACK_BUFFER_BINDING      0x88ED
+#define GL_PIXEL_UNPACK_BUFFER_BINDING    0x88EF
+#define GL_FLOAT_MAT2x3                   0x8B65
+#define GL_FLOAT_MAT2x4                   0x8B66
+#define GL_FLOAT_MAT3x2                   0x8B67
+#define GL_FLOAT_MAT3x4                   0x8B68
+#define GL_FLOAT_MAT4x2                   0x8B69
+#define GL_FLOAT_MAT4x3                   0x8B6A
+#define GL_SRGB                           0x8C40
+#define GL_SRGB8                          0x8C41
+#define GL_SRGB_ALPHA                     0x8C42
+#define GL_SRGB8_ALPHA8                   0x8C43
+#define GL_COMPRESSED_SRGB                0x8C48
+#define GL_COMPRESSED_SRGB_ALPHA          0x8C49
+#endif
+
+#ifndef GL_VERSION_2_1_DEPRECATED
+#define GL_CURRENT_RASTER_SECONDARY_COLOR 0x845F
+#define GL_SLUMINANCE_ALPHA               0x8C44
+#define GL_SLUMINANCE8_ALPHA8             0x8C45
+#define GL_SLUMINANCE                     0x8C46
+#define GL_SLUMINANCE8                    0x8C47
+#define GL_COMPRESSED_SLUMINANCE          0x8C4A
+#define GL_COMPRESSED_SLUMINANCE_ALPHA    0x8C4B
+#endif
+
+#ifndef GL_VERSION_3_0
+#define GL_COMPARE_REF_TO_TEXTURE         0x884E
+#define GL_CLIP_DISTANCE0                 0x3000
+#define GL_CLIP_DISTANCE1                 0x3001
+#define GL_CLIP_DISTANCE2                 0x3002
+#define GL_CLIP_DISTANCE3                 0x3003
+#define GL_CLIP_DISTANCE4                 0x3004
+#define GL_CLIP_DISTANCE5                 0x3005
+#define GL_CLIP_DISTANCE6                 0x3006
+#define GL_CLIP_DISTANCE7                 0x3007
+#define GL_MAX_CLIP_DISTANCES             0x0D32
+#define GL_MAJOR_VERSION                  0x821B
+#define GL_MINOR_VERSION                  0x821C
+#define GL_NUM_EXTENSIONS                 0x821D
+#define GL_CONTEXT_FLAGS                  0x821E
+#define GL_DEPTH_BUFFER                   0x8223
+#define GL_STENCIL_BUFFER                 0x8224
+#define GL_COMPRESSED_RED                 0x8225
+#define GL_COMPRESSED_RG                  0x8226
+#define GL_CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT 0x0001
+#define GL_RGBA32F                        0x8814
+#define GL_RGB32F                         0x8815
+#define GL_RGBA16F                        0x881A
+#define GL_RGB16F                         0x881B
+#define GL_VERTEX_ATTRIB_ARRAY_INTEGER    0x88FD
+#define GL_MAX_ARRAY_TEXTURE_LAYERS       0x88FF
+#define GL_MIN_PROGRAM_TEXEL_OFFSET       0x8904
+#define GL_MAX_PROGRAM_TEXEL_OFFSET       0x8905
+#define GL_CLAMP_READ_COLOR               0x891C
+#define GL_FIXED_ONLY                     0x891D
+#define GL_MAX_VARYING_COMPONENTS         0x8B4B
+#define GL_TEXTURE_1D_ARRAY               0x8C18
+#define GL_PROXY_TEXTURE_1D_ARRAY         0x8C19
+#define GL_TEXTURE_2D_ARRAY               0x8C1A
+#define GL_PROXY_TEXTURE_2D_ARRAY         0x8C1B
+#define GL_TEXTURE_BINDING_1D_ARRAY       0x8C1C
+#define GL_TEXTURE_BINDING_2D_ARRAY       0x8C1D
+#define GL_R11F_G11F_B10F                 0x8C3A
+#define GL_UNSIGNED_INT_10F_11F_11F_REV   0x8C3B
+#define GL_RGB9_E5                        0x8C3D
+#define GL_UNSIGNED_INT_5_9_9_9_REV       0x8C3E
+#define GL_TEXTURE_SHARED_SIZE            0x8C3F
+#define GL_TRANSFORM_FEEDBACK_VARYING_MAX_LENGTH 0x8C76
+#define GL_TRANSFORM_FEEDBACK_BUFFER_MODE 0x8C7F
+#define GL_MAX_TRANSFORM_FEEDBACK_SEPARATE_COMPONENTS 0x8C80
+#define GL_TRANSFORM_FEEDBACK_VARYINGS    0x8C83
+#define GL_TRANSFORM_FEEDBACK_BUFFER_START 0x8C84
+#define GL_TRANSFORM_FEEDBACK_BUFFER_SIZE 0x8C85
+#define GL_PRIMITIVES_GENERATED           0x8C87
+#define GL_TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN 0x8C88
+#define GL_RASTERIZER_DISCARD             0x8C89
+#define GL_MAX_TRANSFORM_FEEDBACK_INTERLEAVED_COMPONENTS 0x8C8A
+#define GL_MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS 0x8C8B
+#define GL_INTERLEAVED_ATTRIBS            0x8C8C
+#define GL_SEPARATE_ATTRIBS               0x8C8D
+#define GL_TRANSFORM_FEEDBACK_BUFFER      0x8C8E
+#define GL_TRANSFORM_FEEDBACK_BUFFER_BINDING 0x8C8F
+#define GL_RGBA32UI                       0x8D70
+#define GL_RGB32UI                        0x8D71
+#define GL_RGBA16UI                       0x8D76
+#define GL_RGB16UI                        0x8D77
+#define GL_RGBA8UI                        0x8D7C
+#define GL_RGB8UI                         0x8D7D
+#define GL_RGBA32I                        0x8D82
+#define GL_RGB32I                         0x8D83
+#define GL_RGBA16I                        0x8D88
+#define GL_RGB16I                         0x8D89
+#define GL_RGBA8I                         0x8D8E
+#define GL_RGB8I                          0x8D8F
+#define GL_RED_INTEGER                    0x8D94
+#define GL_GREEN_INTEGER                  0x8D95
+#define GL_BLUE_INTEGER                   0x8D96
+#define GL_RGB_INTEGER                    0x8D98
+#define GL_RGBA_INTEGER                   0x8D99
+#define GL_BGR_INTEGER                    0x8D9A
+#define GL_BGRA_INTEGER                   0x8D9B
+#define GL_SAMPLER_1D_ARRAY               0x8DC0
+#define GL_SAMPLER_2D_ARRAY               0x8DC1
+#define GL_SAMPLER_1D_ARRAY_SHADOW        0x8DC3
+#define GL_SAMPLER_2D_ARRAY_SHADOW        0x8DC4
+#define GL_SAMPLER_CUBE_SHADOW            0x8DC5
+#define GL_UNSIGNED_INT_VEC2              0x8DC6
+#define GL_UNSIGNED_INT_VEC3              0x8DC7
+#define GL_UNSIGNED_INT_VEC4              0x8DC8
+#define GL_INT_SAMPLER_1D                 0x8DC9
+#define GL_INT_SAMPLER_2D                 0x8DCA
+#define GL_INT_SAMPLER_3D                 0x8DCB
+#define GL_INT_SAMPLER_CUBE               0x8DCC
+#define GL_INT_SAMPLER_1D_ARRAY           0x8DCE
+#define GL_INT_SAMPLER_2D_ARRAY           0x8DCF
+#define GL_UNSIGNED_INT_SAMPLER_1D        0x8DD1
+#define GL_UNSIGNED_INT_SAMPLER_2D        0x8DD2
+#define GL_UNSIGNED_INT_SAMPLER_3D        0x8DD3
+#define GL_UNSIGNED_INT_SAMPLER_CUBE      0x8DD4
+#define GL_UNSIGNED_INT_SAMPLER_1D_ARRAY  0x8DD6
+#define GL_UNSIGNED_INT_SAMPLER_2D_ARRAY  0x8DD7
+#define GL_QUERY_WAIT                     0x8E13
+#define GL_QUERY_NO_WAIT                  0x8E14
+#define GL_QUERY_BY_REGION_WAIT           0x8E15
+#define GL_QUERY_BY_REGION_NO_WAIT        0x8E16
+#define GL_BUFFER_ACCESS_FLAGS            0x911F
+#define GL_BUFFER_MAP_LENGTH              0x9120
+#define GL_BUFFER_MAP_OFFSET              0x9121
+/* Reuse tokens from ARB_depth_buffer_float */
+/* reuse GL_DEPTH_COMPONENT32F */
+/* reuse GL_DEPTH32F_STENCIL8 */
+/* reuse GL_FLOAT_32_UNSIGNED_INT_24_8_REV */
+/* Reuse tokens from ARB_framebuffer_object */
+/* reuse GL_INVALID_FRAMEBUFFER_OPERATION */
+/* reuse GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING */
+/* reuse GL_FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE */
+/* reuse GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE */
+/* reuse GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE */
+/* reuse GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE */
+/* reuse GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE */
+/* reuse GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE */
+/* reuse GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE */
+/* reuse GL_FRAMEBUFFER_DEFAULT