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 /* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

 /* This Source Code Form is subject to the terms of the Mozilla Public

  * License, v. 2.0. If a copy of the MPL was not distributed with this file,

  * You can obtain one at http://mozilla.org/MPL/2.0/.

  *

  * This IDL depends on WebGLRenderingContext.webidl

  */

 [Pref="webgl.enable-prototype-webgl2"]

 interface WebGLQuery {

 };

 [Pref="webgl.enable-prototype-webgl2"]

 interface WebGL2RenderingContext : WebGLRenderingContext {

     /* depth textures */

     const GLenum UNSIGNED_INT_24_8                           = 0x84FA;

     /* draw buffers */

     const GLenum COLOR_ATTACHMENT1                           = 0x8CE1;

     const GLenum COLOR_ATTACHMENT2                           = 0x8CE2;

     const GLenum COLOR_ATTACHMENT3                           = 0x8CE3;

     const GLenum COLOR_ATTACHMENT4                           = 0x8CE4;

     const GLenum COLOR_ATTACHMENT5                           = 0x8CE5;

     const GLenum COLOR_ATTACHMENT6                           = 0x8CE6;

     const GLenum COLOR_ATTACHMENT7                           = 0x8CE7;

     const GLenum COLOR_ATTACHMENT8                           = 0x8CE8;

     const GLenum COLOR_ATTACHMENT9                           = 0x8CE9;

     const GLenum COLOR_ATTACHMENT10                          = 0x8CEA;

     const GLenum COLOR_ATTACHMENT11                          = 0x8CEB;

     const GLenum COLOR_ATTACHMENT12                          = 0x8CEC;

     const GLenum COLOR_ATTACHMENT13                          = 0x8CED;

     const GLenum COLOR_ATTACHMENT14                          = 0x8CEE;

     const GLenum COLOR_ATTACHMENT15                          = 0x8CEF;

     const GLenum DRAW_BUFFER0                                = 0x8825;

     const GLenum DRAW_BUFFER1                                = 0x8826;

     const GLenum DRAW_BUFFER2                                = 0x8827;

     const GLenum DRAW_BUFFER3                                = 0x8828;

     const GLenum DRAW_BUFFER4                                = 0x8829;

     const GLenum DRAW_BUFFER5                                = 0x882A;

     const GLenum DRAW_BUFFER6                                = 0x882B;

     const GLenum DRAW_BUFFER7                                = 0x882C;

     const GLenum DRAW_BUFFER8                                = 0x882D;

     const GLenum DRAW_BUFFER9                                = 0x882E;

     const GLenum DRAW_BUFFER10                               = 0x882F;

     const GLenum DRAW_BUFFER11                               = 0x8830;

     const GLenum DRAW_BUFFER12                               = 0x8831;

     const GLenum DRAW_BUFFER13                               = 0x8832;

     const GLenum DRAW_BUFFER14                               = 0x8833;

     const GLenum DRAW_BUFFER15                               = 0x8834;

     const GLenum MAX_COLOR_ATTACHMENTS                       = 0x8CDF;

     const GLenum MAX_DRAW_BUFFERS                            = 0x8824;

     void drawBuffers(sequence<GLenum> buffers);

     /* draw instanced */

     void drawArraysInstanced(GLenum mode, GLint first, GLsizei count, GLsizei primcount);

     void drawElementsInstanced(GLenum mode, GLsizei count, GLenum type, GLintptr offset, GLsizei primcount);

     /* instanced array */

     const GLenum VERTEX_ATTRIB_ARRAY_DIVISOR                 = 0x88FE;

     void vertexAttribDivisor(GLuint index, GLuint divisor);

     /* blend equations */

     const GLenum MIN                                         = 0x8007;

     const GLenum MAX                                         = 0x8008;

     /* transform feedback */

     const GLenum RASTERIZER_DISCARD                          = 0x8C89;

     const GLenum TRANSFORM_FEEDBACK_BUFFER                   = 0x8C8E;

     const GLenum TRANSFORM_FEEDBACK_BUFFER_BINDING           = 0x8C8F;

     const GLenum TRANSFORM_FEEDBACK_BUFFER_START             = 0x8C84;

     const GLenum TRANSFORM_FEEDBACK_BUFFER_SIZE              = 0x8C85;

     const GLenum MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS     = 0x8C8B;

     /* query objects */

     const GLenum CURRENT_QUERY                               = 0x8865;

     const GLenum QUERY_RESULT                                = 0x8866;

     const GLenum QUERY_RESULT_AVAILABLE                      = 0x8867;

     void beginQuery(GLenum target, WebGLQuery? queryObject);

     WebGLQuery? createQuery();

     void deleteQuery(WebGLQuery? queryObject);

     void endQuery(GLenum target);

     WebGLQuery? getQuery(GLenum target, GLenum pname);

     any getQueryObject(WebGLQuery? queryObject, GLenum pname);

     [WebGLHandlesContextLoss] GLboolean isQuery(WebGLQuery? queryObject);

     /* occlusion queries */

     const GLenum ANY_SAMPLES_PASSED                          = 0x8C2F;

     const GLenum ANY_SAMPLES_PASSED_CONSERVATIVE             = 0x8D6A;

     /* transform feedback queries */

     const GLenum TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN       = 0x8C88;

     /* buffer objects */

     void bindBufferBase(GLenum target, GLuint index, WebGLBuffer? buffer);

     void bindBufferRange(GLenum target, GLuint index, WebGLBuffer? buffer,

                          GLintptr offset, GLsizeiptr size);

     /* standart derivatives */

     const GLenum FRAGMENT_SHADER_DERIVATIVE_HINT             = 0x8B8B;

     /* state requests */

     any getParameterIndexed(GLenum pname, GLuint index);

     /* vertex array objects */

     const GLenum VERTEX_ARRAY_BINDING                        = 0x85B5;

     void bindVertexArray(WebGLVertexArray? arrayObject);

     WebGLVertexArray? createVertexArray();

     void deleteVertexArray(WebGLVertexArray? arrayObject);

     [WebGLHandlesContextLoss] GLboolean isVertexArray(WebGLVertexArray? arrayObject);

 };