cesium
Version:
CesiumJS is a JavaScript library for creating 3D globes and 2D maps in a web browser without a plugin.
1,302 lines (1,222 loc) • 210 kB
JavaScript
/**
* Cesium - https://github.com/AnalyticalGraphicsInc/cesium
*
* Copyright 2011-2017 Cesium Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Columbus View (Pat. Pend.)
*
* Portions licensed separately.
* See https://github.com/AnalyticalGraphicsInc/cesium/blob/master/LICENSE.md for full licensing details.
*/
(function () {
define('Core/defined',[],function() {
'use strict';
/**
* @exports defined
*
* @param {Object} value The object.
* @returns {Boolean} Returns true if the object is defined, returns false otherwise.
*
* @example
* if (Cesium.defined(positions)) {
* doSomething();
* } else {
* doSomethingElse();
* }
*/
function defined(value) {
return value !== undefined && value !== null;
}
return defined;
});
define('Core/defineProperties',[
'./defined'
], function(
defined) {
'use strict';
var definePropertyWorks = (function() {
try {
return 'x' in Object.defineProperty({}, 'x', {});
} catch (e) {
return false;
}
})();
/**
* Defines properties on an object, using Object.defineProperties if available,
* otherwise returns the object unchanged. This function should be used in
* setup code to prevent errors from completely halting JavaScript execution
* in legacy browsers.
*
* @private
*
* @exports defineProperties
*/
var defineProperties = Object.defineProperties;
if (!definePropertyWorks || !defined(defineProperties)) {
defineProperties = function(o) {
return o;
};
}
return defineProperties;
});
define('Core/CompressedTextureBuffer',[
'./defined',
'./defineProperties'
], function(
defined,
defineProperties) {
'use strict';
/**
* Describes a compressed texture and contains a compressed texture buffer.
*
* @param {PixelFormat} internalFormat The pixel format of the compressed texture.
* @param {Number} width The width of the texture.
* @param {Number} height The height of the texture.
* @param {Uint8Array} buffer The compressed texture buffer.
*/
function CompressedTextureBuffer(internalFormat, width, height, buffer) {
this._format = internalFormat;
this._width = width;
this._height = height;
this._buffer = buffer;
}
defineProperties(CompressedTextureBuffer.prototype, {
/**
* The format of the compressed texture.
* @type PixelFormat
* @readonly
*/
internalFormat : {
get : function() {
return this._format;
}
},
/**
* The width of the texture.
* @type Number
* @readonly
*/
width : {
get : function() {
return this._width;
}
},
/**
* The height of the texture.
* @type Number
* @readonly
*/
height : {
get : function() {
return this._height;
}
},
/**
* The compressed texture buffer.
* @type Uint8Array
* @readonly
*/
bufferView : {
get : function() {
return this._buffer;
}
}
});
/**
* Creates a shallow clone of a compressed texture buffer.
*
* @param {CompressedTextureBuffer} object The compressed texture buffer to be cloned.
* @return {CompressedTextureBuffer} A shallow clone of the compressed texture buffer.
*/
CompressedTextureBuffer.clone = function(object) {
if (!defined(object)) {
return undefined;
}
return new CompressedTextureBuffer(object._format, object._width, object._height, object._buffer);
};
/**
* Creates a shallow clone of this compressed texture buffer.
*
* @return {CompressedTextureBuffer} A shallow clone of the compressed texture buffer.
*/
CompressedTextureBuffer.prototype.clone = function() {
return CompressedTextureBuffer.clone(this);
};
return CompressedTextureBuffer;
});
define('Core/freezeObject',[
'./defined'
], function(
defined) {
'use strict';
/**
* Freezes an object, using Object.freeze if available, otherwise returns
* the object unchanged. This function should be used in setup code to prevent
* errors from completely halting JavaScript execution in legacy browsers.
*
* @private
*
* @exports freezeObject
*/
var freezeObject = Object.freeze;
if (!defined(freezeObject)) {
freezeObject = function(o) {
return o;
};
}
return freezeObject;
});
define('Core/WebGLConstants',[
'./freezeObject'
], function(
freezeObject) {
'use strict';
/**
* Enum containing WebGL Constant values by name.
* for use without an active WebGL context, or in cases where certain constants are unavailable using the WebGL context
* (For example, in [Safari 9]{@link https://github.com/AnalyticalGraphicsInc/cesium/issues/2989}).
*
* These match the constants from the [WebGL 1.0]{@link https://www.khronos.org/registry/webgl/specs/latest/1.0/}
* and [WebGL 2.0]{@link https://www.khronos.org/registry/webgl/specs/latest/2.0/}
* specifications.
*
* @exports WebGLConstants
*/
var WebGLConstants = {
DEPTH_BUFFER_BIT : 0x00000100,
STENCIL_BUFFER_BIT : 0x00000400,
COLOR_BUFFER_BIT : 0x00004000,
POINTS : 0x0000,
LINES : 0x0001,
LINE_LOOP : 0x0002,
LINE_STRIP : 0x0003,
TRIANGLES : 0x0004,
TRIANGLE_STRIP : 0x0005,
TRIANGLE_FAN : 0x0006,
ZERO : 0,
ONE : 1,
SRC_COLOR : 0x0300,
ONE_MINUS_SRC_COLOR : 0x0301,
SRC_ALPHA : 0x0302,
ONE_MINUS_SRC_ALPHA : 0x0303,
DST_ALPHA : 0x0304,
ONE_MINUS_DST_ALPHA : 0x0305,
DST_COLOR : 0x0306,
ONE_MINUS_DST_COLOR : 0x0307,
SRC_ALPHA_SATURATE : 0x0308,
FUNC_ADD : 0x8006,
BLEND_EQUATION : 0x8009,
BLEND_EQUATION_RGB : 0x8009, // same as BLEND_EQUATION
BLEND_EQUATION_ALPHA : 0x883D,
FUNC_SUBTRACT : 0x800A,
FUNC_REVERSE_SUBTRACT : 0x800B,
BLEND_DST_RGB : 0x80C8,
BLEND_SRC_RGB : 0x80C9,
BLEND_DST_ALPHA : 0x80CA,
BLEND_SRC_ALPHA : 0x80CB,
CONSTANT_COLOR : 0x8001,
ONE_MINUS_CONSTANT_COLOR : 0x8002,
CONSTANT_ALPHA : 0x8003,
ONE_MINUS_CONSTANT_ALPHA : 0x8004,
BLEND_COLOR : 0x8005,
ARRAY_BUFFER : 0x8892,
ELEMENT_ARRAY_BUFFER : 0x8893,
ARRAY_BUFFER_BINDING : 0x8894,
ELEMENT_ARRAY_BUFFER_BINDING : 0x8895,
STREAM_DRAW : 0x88E0,
STATIC_DRAW : 0x88E4,
DYNAMIC_DRAW : 0x88E8,
BUFFER_SIZE : 0x8764,
BUFFER_USAGE : 0x8765,
CURRENT_VERTEX_ATTRIB : 0x8626,
FRONT : 0x0404,
BACK : 0x0405,
FRONT_AND_BACK : 0x0408,
CULL_FACE : 0x0B44,
BLEND : 0x0BE2,
DITHER : 0x0BD0,
STENCIL_TEST : 0x0B90,
DEPTH_TEST : 0x0B71,
SCISSOR_TEST : 0x0C11,
POLYGON_OFFSET_FILL : 0x8037,
SAMPLE_ALPHA_TO_COVERAGE : 0x809E,
SAMPLE_COVERAGE : 0x80A0,
NO_ERROR : 0,
INVALID_ENUM : 0x0500,
INVALID_VALUE : 0x0501,
INVALID_OPERATION : 0x0502,
OUT_OF_MEMORY : 0x0505,
CW : 0x0900,
CCW : 0x0901,
LINE_WIDTH : 0x0B21,
ALIASED_POINT_SIZE_RANGE : 0x846D,
ALIASED_LINE_WIDTH_RANGE : 0x846E,
CULL_FACE_MODE : 0x0B45,
FRONT_FACE : 0x0B46,
DEPTH_RANGE : 0x0B70,
DEPTH_WRITEMASK : 0x0B72,
DEPTH_CLEAR_VALUE : 0x0B73,
DEPTH_FUNC : 0x0B74,
STENCIL_CLEAR_VALUE : 0x0B91,
STENCIL_FUNC : 0x0B92,
STENCIL_FAIL : 0x0B94,
STENCIL_PASS_DEPTH_FAIL : 0x0B95,
STENCIL_PASS_DEPTH_PASS : 0x0B96,
STENCIL_REF : 0x0B97,
STENCIL_VALUE_MASK : 0x0B93,
STENCIL_WRITEMASK : 0x0B98,
STENCIL_BACK_FUNC : 0x8800,
STENCIL_BACK_FAIL : 0x8801,
STENCIL_BACK_PASS_DEPTH_FAIL : 0x8802,
STENCIL_BACK_PASS_DEPTH_PASS : 0x8803,
STENCIL_BACK_REF : 0x8CA3,
STENCIL_BACK_VALUE_MASK : 0x8CA4,
STENCIL_BACK_WRITEMASK : 0x8CA5,
VIEWPORT : 0x0BA2,
SCISSOR_BOX : 0x0C10,
COLOR_CLEAR_VALUE : 0x0C22,
COLOR_WRITEMASK : 0x0C23,
UNPACK_ALIGNMENT : 0x0CF5,
PACK_ALIGNMENT : 0x0D05,
MAX_TEXTURE_SIZE : 0x0D33,
MAX_VIEWPORT_DIMS : 0x0D3A,
SUBPIXEL_BITS : 0x0D50,
RED_BITS : 0x0D52,
GREEN_BITS : 0x0D53,
BLUE_BITS : 0x0D54,
ALPHA_BITS : 0x0D55,
DEPTH_BITS : 0x0D56,
STENCIL_BITS : 0x0D57,
POLYGON_OFFSET_UNITS : 0x2A00,
POLYGON_OFFSET_FACTOR : 0x8038,
TEXTURE_BINDING_2D : 0x8069,
SAMPLE_BUFFERS : 0x80A8,
SAMPLES : 0x80A9,
SAMPLE_COVERAGE_VALUE : 0x80AA,
SAMPLE_COVERAGE_INVERT : 0x80AB,
COMPRESSED_TEXTURE_FORMATS : 0x86A3,
DONT_CARE : 0x1100,
FASTEST : 0x1101,
NICEST : 0x1102,
GENERATE_MIPMAP_HINT : 0x8192,
BYTE : 0x1400,
UNSIGNED_BYTE : 0x1401,
SHORT : 0x1402,
UNSIGNED_SHORT : 0x1403,
INT : 0x1404,
UNSIGNED_INT : 0x1405,
FLOAT : 0x1406,
DEPTH_COMPONENT : 0x1902,
ALPHA : 0x1906,
RGB : 0x1907,
RGBA : 0x1908,
LUMINANCE : 0x1909,
LUMINANCE_ALPHA : 0x190A,
UNSIGNED_SHORT_4_4_4_4 : 0x8033,
UNSIGNED_SHORT_5_5_5_1 : 0x8034,
UNSIGNED_SHORT_5_6_5 : 0x8363,
FRAGMENT_SHADER : 0x8B30,
VERTEX_SHADER : 0x8B31,
MAX_VERTEX_ATTRIBS : 0x8869,
MAX_VERTEX_UNIFORM_VECTORS : 0x8DFB,
MAX_VARYING_VECTORS : 0x8DFC,
MAX_COMBINED_TEXTURE_IMAGE_UNITS : 0x8B4D,
MAX_VERTEX_TEXTURE_IMAGE_UNITS : 0x8B4C,
MAX_TEXTURE_IMAGE_UNITS : 0x8872,
MAX_FRAGMENT_UNIFORM_VECTORS : 0x8DFD,
SHADER_TYPE : 0x8B4F,
DELETE_STATUS : 0x8B80,
LINK_STATUS : 0x8B82,
VALIDATE_STATUS : 0x8B83,
ATTACHED_SHADERS : 0x8B85,
ACTIVE_UNIFORMS : 0x8B86,
ACTIVE_ATTRIBUTES : 0x8B89,
SHADING_LANGUAGE_VERSION : 0x8B8C,
CURRENT_PROGRAM : 0x8B8D,
NEVER : 0x0200,
LESS : 0x0201,
EQUAL : 0x0202,
LEQUAL : 0x0203,
GREATER : 0x0204,
NOTEQUAL : 0x0205,
GEQUAL : 0x0206,
ALWAYS : 0x0207,
KEEP : 0x1E00,
REPLACE : 0x1E01,
INCR : 0x1E02,
DECR : 0x1E03,
INVERT : 0x150A,
INCR_WRAP : 0x8507,
DECR_WRAP : 0x8508,
VENDOR : 0x1F00,
RENDERER : 0x1F01,
VERSION : 0x1F02,
NEAREST : 0x2600,
LINEAR : 0x2601,
NEAREST_MIPMAP_NEAREST : 0x2700,
LINEAR_MIPMAP_NEAREST : 0x2701,
NEAREST_MIPMAP_LINEAR : 0x2702,
LINEAR_MIPMAP_LINEAR : 0x2703,
TEXTURE_MAG_FILTER : 0x2800,
TEXTURE_MIN_FILTER : 0x2801,
TEXTURE_WRAP_S : 0x2802,
TEXTURE_WRAP_T : 0x2803,
TEXTURE_2D : 0x0DE1,
TEXTURE : 0x1702,
TEXTURE_CUBE_MAP : 0x8513,
TEXTURE_BINDING_CUBE_MAP : 0x8514,
TEXTURE_CUBE_MAP_POSITIVE_X : 0x8515,
TEXTURE_CUBE_MAP_NEGATIVE_X : 0x8516,
TEXTURE_CUBE_MAP_POSITIVE_Y : 0x8517,
TEXTURE_CUBE_MAP_NEGATIVE_Y : 0x8518,
TEXTURE_CUBE_MAP_POSITIVE_Z : 0x8519,
TEXTURE_CUBE_MAP_NEGATIVE_Z : 0x851A,
MAX_CUBE_MAP_TEXTURE_SIZE : 0x851C,
TEXTURE0 : 0x84C0,
TEXTURE1 : 0x84C1,
TEXTURE2 : 0x84C2,
TEXTURE3 : 0x84C3,
TEXTURE4 : 0x84C4,
TEXTURE5 : 0x84C5,
TEXTURE6 : 0x84C6,
TEXTURE7 : 0x84C7,
TEXTURE8 : 0x84C8,
TEXTURE9 : 0x84C9,
TEXTURE10 : 0x84CA,
TEXTURE11 : 0x84CB,
TEXTURE12 : 0x84CC,
TEXTURE13 : 0x84CD,
TEXTURE14 : 0x84CE,
TEXTURE15 : 0x84CF,
TEXTURE16 : 0x84D0,
TEXTURE17 : 0x84D1,
TEXTURE18 : 0x84D2,
TEXTURE19 : 0x84D3,
TEXTURE20 : 0x84D4,
TEXTURE21 : 0x84D5,
TEXTURE22 : 0x84D6,
TEXTURE23 : 0x84D7,
TEXTURE24 : 0x84D8,
TEXTURE25 : 0x84D9,
TEXTURE26 : 0x84DA,
TEXTURE27 : 0x84DB,
TEXTURE28 : 0x84DC,
TEXTURE29 : 0x84DD,
TEXTURE30 : 0x84DE,
TEXTURE31 : 0x84DF,
ACTIVE_TEXTURE : 0x84E0,
REPEAT : 0x2901,
CLAMP_TO_EDGE : 0x812F,
MIRRORED_REPEAT : 0x8370,
FLOAT_VEC2 : 0x8B50,
FLOAT_VEC3 : 0x8B51,
FLOAT_VEC4 : 0x8B52,
INT_VEC2 : 0x8B53,
INT_VEC3 : 0x8B54,
INT_VEC4 : 0x8B55,
BOOL : 0x8B56,
BOOL_VEC2 : 0x8B57,
BOOL_VEC3 : 0x8B58,
BOOL_VEC4 : 0x8B59,
FLOAT_MAT2 : 0x8B5A,
FLOAT_MAT3 : 0x8B5B,
FLOAT_MAT4 : 0x8B5C,
SAMPLER_2D : 0x8B5E,
SAMPLER_CUBE : 0x8B60,
VERTEX_ATTRIB_ARRAY_ENABLED : 0x8622,
VERTEX_ATTRIB_ARRAY_SIZE : 0x8623,
VERTEX_ATTRIB_ARRAY_STRIDE : 0x8624,
VERTEX_ATTRIB_ARRAY_TYPE : 0x8625,
VERTEX_ATTRIB_ARRAY_NORMALIZED : 0x886A,
VERTEX_ATTRIB_ARRAY_POINTER : 0x8645,
VERTEX_ATTRIB_ARRAY_BUFFER_BINDING : 0x889F,
IMPLEMENTATION_COLOR_READ_TYPE : 0x8B9A,
IMPLEMENTATION_COLOR_READ_FORMAT : 0x8B9B,
COMPILE_STATUS : 0x8B81,
LOW_FLOAT : 0x8DF0,
MEDIUM_FLOAT : 0x8DF1,
HIGH_FLOAT : 0x8DF2,
LOW_INT : 0x8DF3,
MEDIUM_INT : 0x8DF4,
HIGH_INT : 0x8DF5,
FRAMEBUFFER : 0x8D40,
RENDERBUFFER : 0x8D41,
RGBA4 : 0x8056,
RGB5_A1 : 0x8057,
RGB565 : 0x8D62,
DEPTH_COMPONENT16 : 0x81A5,
STENCIL_INDEX : 0x1901,
STENCIL_INDEX8 : 0x8D48,
DEPTH_STENCIL : 0x84F9,
RENDERBUFFER_WIDTH : 0x8D42,
RENDERBUFFER_HEIGHT : 0x8D43,
RENDERBUFFER_INTERNAL_FORMAT : 0x8D44,
RENDERBUFFER_RED_SIZE : 0x8D50,
RENDERBUFFER_GREEN_SIZE : 0x8D51,
RENDERBUFFER_BLUE_SIZE : 0x8D52,
RENDERBUFFER_ALPHA_SIZE : 0x8D53,
RENDERBUFFER_DEPTH_SIZE : 0x8D54,
RENDERBUFFER_STENCIL_SIZE : 0x8D55,
FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE : 0x8CD0,
FRAMEBUFFER_ATTACHMENT_OBJECT_NAME : 0x8CD1,
FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL : 0x8CD2,
FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE : 0x8CD3,
COLOR_ATTACHMENT0 : 0x8CE0,
DEPTH_ATTACHMENT : 0x8D00,
STENCIL_ATTACHMENT : 0x8D20,
DEPTH_STENCIL_ATTACHMENT : 0x821A,
NONE : 0,
FRAMEBUFFER_COMPLETE : 0x8CD5,
FRAMEBUFFER_INCOMPLETE_ATTACHMENT : 0x8CD6,
FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT : 0x8CD7,
FRAMEBUFFER_INCOMPLETE_DIMENSIONS : 0x8CD9,
FRAMEBUFFER_UNSUPPORTED : 0x8CDD,
FRAMEBUFFER_BINDING : 0x8CA6,
RENDERBUFFER_BINDING : 0x8CA7,
MAX_RENDERBUFFER_SIZE : 0x84E8,
INVALID_FRAMEBUFFER_OPERATION : 0x0506,
UNPACK_FLIP_Y_WEBGL : 0x9240,
UNPACK_PREMULTIPLY_ALPHA_WEBGL : 0x9241,
CONTEXT_LOST_WEBGL : 0x9242,
UNPACK_COLORSPACE_CONVERSION_WEBGL : 0x9243,
BROWSER_DEFAULT_WEBGL : 0x9244,
// WEBGL_compressed_texture_s3tc
COMPRESSED_RGB_S3TC_DXT1_EXT : 0x83F0,
COMPRESSED_RGBA_S3TC_DXT1_EXT : 0x83F1,
COMPRESSED_RGBA_S3TC_DXT3_EXT : 0x83F2,
COMPRESSED_RGBA_S3TC_DXT5_EXT : 0x83F3,
// WEBGL_compressed_texture_pvrtc
COMPRESSED_RGB_PVRTC_4BPPV1_IMG : 0x8C00,
COMPRESSED_RGB_PVRTC_2BPPV1_IMG : 0x8C01,
COMPRESSED_RGBA_PVRTC_4BPPV1_IMG : 0x8C02,
COMPRESSED_RGBA_PVRTC_2BPPV1_IMG : 0x8C03,
// WEBGL_compressed_texture_etc1
COMPRESSED_RGB_ETC1_WEBGL : 0x8D64,
// Desktop OpenGL
DOUBLE : 0x140A,
// WebGL 2
READ_BUFFER : 0x0C02,
UNPACK_ROW_LENGTH : 0x0CF2,
UNPACK_SKIP_ROWS : 0x0CF3,
UNPACK_SKIP_PIXELS : 0x0CF4,
PACK_ROW_LENGTH : 0x0D02,
PACK_SKIP_ROWS : 0x0D03,
PACK_SKIP_PIXELS : 0x0D04,
COLOR : 0x1800,
DEPTH : 0x1801,
STENCIL : 0x1802,
RED : 0x1903,
RGB8 : 0x8051,
RGBA8 : 0x8058,
RGB10_A2 : 0x8059,
TEXTURE_BINDING_3D : 0x806A,
UNPACK_SKIP_IMAGES : 0x806D,
UNPACK_IMAGE_HEIGHT : 0x806E,
TEXTURE_3D : 0x806F,
TEXTURE_WRAP_R : 0x8072,
MAX_3D_TEXTURE_SIZE : 0x8073,
UNSIGNED_INT_2_10_10_10_REV : 0x8368,
MAX_ELEMENTS_VERTICES : 0x80E8,
MAX_ELEMENTS_INDICES : 0x80E9,
TEXTURE_MIN_LOD : 0x813A,
TEXTURE_MAX_LOD : 0x813B,
TEXTURE_BASE_LEVEL : 0x813C,
TEXTURE_MAX_LEVEL : 0x813D,
MIN : 0x8007,
MAX : 0x8008,
DEPTH_COMPONENT24 : 0x81A6,
MAX_TEXTURE_LOD_BIAS : 0x84FD,
TEXTURE_COMPARE_MODE : 0x884C,
TEXTURE_COMPARE_FUNC : 0x884D,
CURRENT_QUERY : 0x8865,
QUERY_RESULT : 0x8866,
QUERY_RESULT_AVAILABLE : 0x8867,
STREAM_READ : 0x88E1,
STREAM_COPY : 0x88E2,
STATIC_READ : 0x88E5,
STATIC_COPY : 0x88E6,
DYNAMIC_READ : 0x88E9,
DYNAMIC_COPY : 0x88EA,
MAX_DRAW_BUFFERS : 0x8824,
DRAW_BUFFER0 : 0x8825,
DRAW_BUFFER1 : 0x8826,
DRAW_BUFFER2 : 0x8827,
DRAW_BUFFER3 : 0x8828,
DRAW_BUFFER4 : 0x8829,
DRAW_BUFFER5 : 0x882A,
DRAW_BUFFER6 : 0x882B,
DRAW_BUFFER7 : 0x882C,
DRAW_BUFFER8 : 0x882D,
DRAW_BUFFER9 : 0x882E,
DRAW_BUFFER10 : 0x882F,
DRAW_BUFFER11 : 0x8830,
DRAW_BUFFER12 : 0x8831,
DRAW_BUFFER13 : 0x8832,
DRAW_BUFFER14 : 0x8833,
DRAW_BUFFER15 : 0x8834,
MAX_FRAGMENT_UNIFORM_COMPONENTS : 0x8B49,
MAX_VERTEX_UNIFORM_COMPONENTS : 0x8B4A,
SAMPLER_3D : 0x8B5F,
SAMPLER_2D_SHADOW : 0x8B62,
FRAGMENT_SHADER_DERIVATIVE_HINT : 0x8B8B,
PIXEL_PACK_BUFFER : 0x88EB,
PIXEL_UNPACK_BUFFER : 0x88EC,
PIXEL_PACK_BUFFER_BINDING : 0x88ED,
PIXEL_UNPACK_BUFFER_BINDING : 0x88EF,
FLOAT_MAT2x3 : 0x8B65,
FLOAT_MAT2x4 : 0x8B66,
FLOAT_MAT3x2 : 0x8B67,
FLOAT_MAT3x4 : 0x8B68,
FLOAT_MAT4x2 : 0x8B69,
FLOAT_MAT4x3 : 0x8B6A,
SRGB : 0x8C40,
SRGB8 : 0x8C41,
SRGB8_ALPHA8 : 0x8C43,
COMPARE_REF_TO_TEXTURE : 0x884E,
RGBA32F : 0x8814,
RGB32F : 0x8815,
RGBA16F : 0x881A,
RGB16F : 0x881B,
VERTEX_ATTRIB_ARRAY_INTEGER : 0x88FD,
MAX_ARRAY_TEXTURE_LAYERS : 0x88FF,
MIN_PROGRAM_TEXEL_OFFSET : 0x8904,
MAX_PROGRAM_TEXEL_OFFSET : 0x8905,
MAX_VARYING_COMPONENTS : 0x8B4B,
TEXTURE_2D_ARRAY : 0x8C1A,
TEXTURE_BINDING_2D_ARRAY : 0x8C1D,
R11F_G11F_B10F : 0x8C3A,
UNSIGNED_INT_10F_11F_11F_REV : 0x8C3B,
RGB9_E5 : 0x8C3D,
UNSIGNED_INT_5_9_9_9_REV : 0x8C3E,
TRANSFORM_FEEDBACK_BUFFER_MODE : 0x8C7F,
MAX_TRANSFORM_FEEDBACK_SEPARATE_COMPONENTS : 0x8C80,
TRANSFORM_FEEDBACK_VARYINGS : 0x8C83,
TRANSFORM_FEEDBACK_BUFFER_START : 0x8C84,
TRANSFORM_FEEDBACK_BUFFER_SIZE : 0x8C85,
TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN : 0x8C88,
RASTERIZER_DISCARD : 0x8C89,
MAX_TRANSFORM_FEEDBACK_INTERLEAVED_COMPONENTS : 0x8C8A,
MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS : 0x8C8B,
INTERLEAVED_ATTRIBS : 0x8C8C,
SEPARATE_ATTRIBS : 0x8C8D,
TRANSFORM_FEEDBACK_BUFFER : 0x8C8E,
TRANSFORM_FEEDBACK_BUFFER_BINDING : 0x8C8F,
RGBA32UI : 0x8D70,
RGB32UI : 0x8D71,
RGBA16UI : 0x8D76,
RGB16UI : 0x8D77,
RGBA8UI : 0x8D7C,
RGB8UI : 0x8D7D,
RGBA32I : 0x8D82,
RGB32I : 0x8D83,
RGBA16I : 0x8D88,
RGB16I : 0x8D89,
RGBA8I : 0x8D8E,
RGB8I : 0x8D8F,
RED_INTEGER : 0x8D94,
RGB_INTEGER : 0x8D98,
RGBA_INTEGER : 0x8D99,
SAMPLER_2D_ARRAY : 0x8DC1,
SAMPLER_2D_ARRAY_SHADOW : 0x8DC4,
SAMPLER_CUBE_SHADOW : 0x8DC5,
UNSIGNED_INT_VEC2 : 0x8DC6,
UNSIGNED_INT_VEC3 : 0x8DC7,
UNSIGNED_INT_VEC4 : 0x8DC8,
INT_SAMPLER_2D : 0x8DCA,
INT_SAMPLER_3D : 0x8DCB,
INT_SAMPLER_CUBE : 0x8DCC,
INT_SAMPLER_2D_ARRAY : 0x8DCF,
UNSIGNED_INT_SAMPLER_2D : 0x8DD2,
UNSIGNED_INT_SAMPLER_3D : 0x8DD3,
UNSIGNED_INT_SAMPLER_CUBE : 0x8DD4,
UNSIGNED_INT_SAMPLER_2D_ARRAY : 0x8DD7,
DEPTH_COMPONENT32F : 0x8CAC,
DEPTH32F_STENCIL8 : 0x8CAD,
FLOAT_32_UNSIGNED_INT_24_8_REV : 0x8DAD,
FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING : 0x8210,
FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE : 0x8211,
FRAMEBUFFER_ATTACHMENT_RED_SIZE : 0x8212,
FRAMEBUFFER_ATTACHMENT_GREEN_SIZE : 0x8213,
FRAMEBUFFER_ATTACHMENT_BLUE_SIZE : 0x8214,
FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE : 0x8215,
FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE : 0x8216,
FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE : 0x8217,
FRAMEBUFFER_DEFAULT : 0x8218,
UNSIGNED_INT_24_8 : 0x84FA,
DEPTH24_STENCIL8 : 0x88F0,
UNSIGNED_NORMALIZED : 0x8C17,
DRAW_FRAMEBUFFER_BINDING : 0x8CA6, // Same as FRAMEBUFFER_BINDING
READ_FRAMEBUFFER : 0x8CA8,
DRAW_FRAMEBUFFER : 0x8CA9,
READ_FRAMEBUFFER_BINDING : 0x8CAA,
RENDERBUFFER_SAMPLES : 0x8CAB,
FRAMEBUFFER_ATTACHMENT_TEXTURE_LAYER : 0x8CD4,
MAX_COLOR_ATTACHMENTS : 0x8CDF,
COLOR_ATTACHMENT1 : 0x8CE1,
COLOR_ATTACHMENT2 : 0x8CE2,
COLOR_ATTACHMENT3 : 0x8CE3,
COLOR_ATTACHMENT4 : 0x8CE4,
COLOR_ATTACHMENT5 : 0x8CE5,
COLOR_ATTACHMENT6 : 0x8CE6,
COLOR_ATTACHMENT7 : 0x8CE7,
COLOR_ATTACHMENT8 : 0x8CE8,
COLOR_ATTACHMENT9 : 0x8CE9,
COLOR_ATTACHMENT10 : 0x8CEA,
COLOR_ATTACHMENT11 : 0x8CEB,
COLOR_ATTACHMENT12 : 0x8CEC,
COLOR_ATTACHMENT13 : 0x8CED,
COLOR_ATTACHMENT14 : 0x8CEE,
COLOR_ATTACHMENT15 : 0x8CEF,
FRAMEBUFFER_INCOMPLETE_MULTISAMPLE : 0x8D56,
MAX_SAMPLES : 0x8D57,
HALF_FLOAT : 0x140B,
RG : 0x8227,
RG_INTEGER : 0x8228,
R8 : 0x8229,
RG8 : 0x822B,
R16F : 0x822D,
R32F : 0x822E,
RG16F : 0x822F,
RG32F : 0x8230,
R8I : 0x8231,
R8UI : 0x8232,
R16I : 0x8233,
R16UI : 0x8234,
R32I : 0x8235,
R32UI : 0x8236,
RG8I : 0x8237,
RG8UI : 0x8238,
RG16I : 0x8239,
RG16UI : 0x823A,
RG32I : 0x823B,
RG32UI : 0x823C,
VERTEX_ARRAY_BINDING : 0x85B5,
R8_SNORM : 0x8F94,
RG8_SNORM : 0x8F95,
RGB8_SNORM : 0x8F96,
RGBA8_SNORM : 0x8F97,
SIGNED_NORMALIZED : 0x8F9C,
COPY_READ_BUFFER : 0x8F36,
COPY_WRITE_BUFFER : 0x8F37,
COPY_READ_BUFFER_BINDING : 0x8F36, // Same as COPY_READ_BUFFER
COPY_WRITE_BUFFER_BINDING : 0x8F37, // Same as COPY_WRITE_BUFFER
UNIFORM_BUFFER : 0x8A11,
UNIFORM_BUFFER_BINDING : 0x8A28,
UNIFORM_BUFFER_START : 0x8A29,
UNIFORM_BUFFER_SIZE : 0x8A2A,
MAX_VERTEX_UNIFORM_BLOCKS : 0x8A2B,
MAX_FRAGMENT_UNIFORM_BLOCKS : 0x8A2D,
MAX_COMBINED_UNIFORM_BLOCKS : 0x8A2E,
MAX_UNIFORM_BUFFER_BINDINGS : 0x8A2F,
MAX_UNIFORM_BLOCK_SIZE : 0x8A30,
MAX_COMBINED_VERTEX_UNIFORM_COMPONENTS : 0x8A31,
MAX_COMBINED_FRAGMENT_UNIFORM_COMPONENTS : 0x8A33,
UNIFORM_BUFFER_OFFSET_ALIGNMENT : 0x8A34,
ACTIVE_UNIFORM_BLOCKS : 0x8A36,
UNIFORM_TYPE : 0x8A37,
UNIFORM_SIZE : 0x8A38,
UNIFORM_BLOCK_INDEX : 0x8A3A,
UNIFORM_OFFSET : 0x8A3B,
UNIFORM_ARRAY_STRIDE : 0x8A3C,
UNIFORM_MATRIX_STRIDE : 0x8A3D,
UNIFORM_IS_ROW_MAJOR : 0x8A3E,
UNIFORM_BLOCK_BINDING : 0x8A3F,
UNIFORM_BLOCK_DATA_SIZE : 0x8A40,
UNIFORM_BLOCK_ACTIVE_UNIFORMS : 0x8A42,
UNIFORM_BLOCK_ACTIVE_UNIFORM_INDICES : 0x8A43,
UNIFORM_BLOCK_REFERENCED_BY_VERTEX_SHADER : 0x8A44,
UNIFORM_BLOCK_REFERENCED_BY_FRAGMENT_SHADER : 0x8A46,
INVALID_INDEX : 0xFFFFFFFF,
MAX_VERTEX_OUTPUT_COMPONENTS : 0x9122,
MAX_FRAGMENT_INPUT_COMPONENTS : 0x9125,
MAX_SERVER_WAIT_TIMEOUT : 0x9111,
OBJECT_TYPE : 0x9112,
SYNC_CONDITION : 0x9113,
SYNC_STATUS : 0x9114,
SYNC_FLAGS : 0x9115,
SYNC_FENCE : 0x9116,
SYNC_GPU_COMMANDS_COMPLETE : 0x9117,
UNSIGNALED : 0x9118,
SIGNALED : 0x9119,
ALREADY_SIGNALED : 0x911A,
TIMEOUT_EXPIRED : 0x911B,
CONDITION_SATISFIED : 0x911C,
WAIT_FAILED : 0x911D,
SYNC_FLUSH_COMMANDS_BIT : 0x00000001,
VERTEX_ATTRIB_ARRAY_DIVISOR : 0x88FE,
ANY_SAMPLES_PASSED : 0x8C2F,
ANY_SAMPLES_PASSED_CONSERVATIVE : 0x8D6A,
SAMPLER_BINDING : 0x8919,
RGB10_A2UI : 0x906F,
INT_2_10_10_10_REV : 0x8D9F,
TRANSFORM_FEEDBACK : 0x8E22,
TRANSFORM_FEEDBACK_PAUSED : 0x8E23,
TRANSFORM_FEEDBACK_ACTIVE : 0x8E24,
TRANSFORM_FEEDBACK_BINDING : 0x8E25,
COMPRESSED_R11_EAC : 0x9270,
COMPRESSED_SIGNED_R11_EAC : 0x9271,
COMPRESSED_RG11_EAC : 0x9272,
COMPRESSED_SIGNED_RG11_EAC : 0x9273,
COMPRESSED_RGB8_ETC2 : 0x9274,
COMPRESSED_SRGB8_ETC2 : 0x9275,
COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2 : 0x9276,
COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2 : 0x9277,
COMPRESSED_RGBA8_ETC2_EAC : 0x9278,
COMPRESSED_SRGB8_ALPHA8_ETC2_EAC : 0x9279,
TEXTURE_IMMUTABLE_FORMAT : 0x912F,
MAX_ELEMENT_INDEX : 0x8D6B,
TEXTURE_IMMUTABLE_LEVELS : 0x82DF,
// Extensions
MAX_TEXTURE_MAX_ANISOTROPY_EXT : 0x84FF
};
return freezeObject(WebGLConstants);
});
define('Renderer/PixelDatatype',[
'../Core/freezeObject',
'../Core/WebGLConstants'
], function(
freezeObject,
WebGLConstants) {
'use strict';
/**
* @private
*/
var PixelDatatype = {
UNSIGNED_BYTE : WebGLConstants.UNSIGNED_BYTE,
UNSIGNED_SHORT : WebGLConstants.UNSIGNED_SHORT,
UNSIGNED_INT : WebGLConstants.UNSIGNED_INT,
FLOAT : WebGLConstants.FLOAT,
UNSIGNED_INT_24_8 : WebGLConstants.UNSIGNED_INT_24_8,
UNSIGNED_SHORT_4_4_4_4 : WebGLConstants.UNSIGNED_SHORT_4_4_4_4,
UNSIGNED_SHORT_5_5_5_1 : WebGLConstants.UNSIGNED_SHORT_5_5_5_1,
UNSIGNED_SHORT_5_6_5 : WebGLConstants.UNSIGNED_SHORT_5_6_5,
isPacked : function(pixelDatatype) {
return pixelDatatype === PixelDatatype.UNSIGNED_INT_24_8 ||
pixelDatatype === PixelDatatype.UNSIGNED_SHORT_4_4_4_4 ||
pixelDatatype === PixelDatatype.UNSIGNED_SHORT_5_5_5_1 ||
pixelDatatype === PixelDatatype.UNSIGNED_SHORT_5_6_5;
},
sizeInBytes : function(pixelDatatype) {
switch (pixelDatatype) {
case PixelDatatype.UNSIGNED_BYTE:
return 1;
case PixelDatatype.UNSIGNED_SHORT:
case PixelDatatype.UNSIGNED_SHORT_4_4_4_4:
case PixelDatatype.UNSIGNED_SHORT_5_5_5_1:
case PixelDatatype.UNSIGNED_SHORT_5_6_5:
return 2;
case PixelDatatype.UNSIGNED_INT:
case PixelDatatype.FLOAT:
case PixelDatatype.UNSIGNED_INT_24_8:
return 4;
}
},
validate : function(pixelDatatype) {
return ((pixelDatatype === PixelDatatype.UNSIGNED_BYTE) ||
(pixelDatatype === PixelDatatype.UNSIGNED_SHORT) ||
(pixelDatatype === PixelDatatype.UNSIGNED_INT) ||
(pixelDatatype === PixelDatatype.FLOAT) ||
(pixelDatatype === PixelDatatype.UNSIGNED_INT_24_8) ||
(pixelDatatype === PixelDatatype.UNSIGNED_SHORT_4_4_4_4) ||
(pixelDatatype === PixelDatatype.UNSIGNED_SHORT_5_5_5_1) ||
(pixelDatatype === PixelDatatype.UNSIGNED_SHORT_5_6_5));
}
};
return freezeObject(PixelDatatype);
});
define('Core/PixelFormat',[
'../Renderer/PixelDatatype',
'./freezeObject',
'./WebGLConstants'
], function(
PixelDatatype,
freezeObject,
WebGLConstants) {
'use strict';
/**
* The format of a pixel, i.e., the number of components it has and what they represent.
*
* @exports PixelFormat
*/
var PixelFormat = {
/**
* A pixel format containing a depth value.
*
* @type {Number}
* @constant
*/
DEPTH_COMPONENT : WebGLConstants.DEPTH_COMPONENT,
/**
* A pixel format containing a depth and stencil value, most often used with {@link PixelDatatype.UNSIGNED_INT_24_8}.
*
* @type {Number}
* @constant
*/
DEPTH_STENCIL : WebGLConstants.DEPTH_STENCIL,
/**
* A pixel format containing an alpha channel.
*
* @type {Number}
* @constant
*/
ALPHA : WebGLConstants.ALPHA,
/**
* A pixel format containing red, green, and blue channels.
*
* @type {Number}
* @constant
*/
RGB : WebGLConstants.RGB,
/**
* A pixel format containing red, green, blue, and alpha channels.
*
* @type {Number}
* @constant
*/
RGBA : WebGLConstants.RGBA,
/**
* A pixel format containing a luminance (intensity) channel.
*
* @type {Number}
* @constant
*/
LUMINANCE : WebGLConstants.LUMINANCE,
/**
* A pixel format containing luminance (intensity) and alpha channels.
*
* @type {Number}
* @constant
*/
LUMINANCE_ALPHA : WebGLConstants.LUMINANCE_ALPHA,
/**
* A pixel format containing red, green, and blue channels that is DXT1 compressed.
*
* @type {Number}
* @constant
*/
RGB_DXT1 : WebGLConstants.COMPRESSED_RGB_S3TC_DXT1_EXT,
/**
* A pixel format containing red, green, blue, and alpha channels that is DXT1 compressed.
*
* @type {Number}
* @constant
*/
RGBA_DXT1 : WebGLConstants.COMPRESSED_RGBA_S3TC_DXT1_EXT,
/**
* A pixel format containing red, green, blue, and alpha channels that is DXT3 compressed.
*
* @type {Number}
* @constant
*/
RGBA_DXT3 : WebGLConstants.COMPRESSED_RGBA_S3TC_DXT3_EXT,
/**
* A pixel format containing red, green, blue, and alpha channels that is DXT5 compressed.
*
* @type {Number}
* @constant
*/
RGBA_DXT5 : WebGLConstants.COMPRESSED_RGBA_S3TC_DXT5_EXT,
/**
* A pixel format containing red, green, and blue channels that is PVR 4bpp compressed.
*
* @type {Number}
* @constant
*/
RGB_PVRTC_4BPPV1 : WebGLConstants.COMPRESSED_RGB_PVRTC_4BPPV1_IMG,
/**
* A pixel format containing red, green, and blue channels that is PVR 2bpp compressed.
*
* @type {Number}
* @constant
*/
RGB_PVRTC_2BPPV1 : WebGLConstants.COMPRESSED_RGB_PVRTC_2BPPV1_IMG,
/**
* A pixel format containing red, green, blue, and alpha channels that is PVR 4bpp compressed.
*
* @type {Number}
* @constant
*/
RGBA_PVRTC_4BPPV1 : WebGLConstants.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG,
/**
* A pixel format containing red, green, blue, and alpha channels that is PVR 2bpp compressed.
*
* @type {Number}
* @constant
*/
RGBA_PVRTC_2BPPV1 : WebGLConstants.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG,
/**
* A pixel format containing red, green, and blue channels that is ETC1 compressed.
*
* @type {Number}
* @constant
*/
RGB_ETC1 : WebGLConstants.COMPRESSED_RGB_ETC1_WEBGL,
/**
* @private
*/
componentsLength : function(pixelFormat) {
switch (pixelFormat) {
case PixelFormat.RGB:
return 3;
case PixelFormat.RGBA:
return 4;
case PixelFormat.LUMINANCE_ALPHA:
return 2;
case PixelFormat.ALPHA:
case PixelFormat.LUMINANCE:
return 1;
default:
return 1;
}
},
/**
* @private
*/
validate : function(pixelFormat) {
return pixelFormat === PixelFormat.DEPTH_COMPONENT ||
pixelFormat === PixelFormat.DEPTH_STENCIL ||
pixelFormat === PixelFormat.ALPHA ||
pixelFormat === PixelFormat.RGB ||
pixelFormat === PixelFormat.RGBA ||
pixelFormat === PixelFormat.LUMINANCE ||
pixelFormat === PixelFormat.LUMINANCE_ALPHA ||
pixelFormat === PixelFormat.RGB_DXT1 ||
pixelFormat === PixelFormat.RGBA_DXT1 ||
pixelFormat === PixelFormat.RGBA_DXT3 ||
pixelFormat === PixelFormat.RGBA_DXT5 ||
pixelFormat === PixelFormat.RGB_PVRTC_4BPPV1 ||
pixelFormat === PixelFormat.RGB_PVRTC_2BPPV1 ||
pixelFormat === PixelFormat.RGBA_PVRTC_4BPPV1 ||
pixelFormat === PixelFormat.RGBA_PVRTC_2BPPV1 ||
pixelFormat === PixelFormat.RGB_ETC1;
},
/**
* @private
*/
isColorFormat : function(pixelFormat) {
return pixelFormat === PixelFormat.ALPHA ||
pixelFormat === PixelFormat.RGB ||
pixelFormat === PixelFormat.RGBA ||
pixelFormat === PixelFormat.LUMINANCE ||
pixelFormat === PixelFormat.LUMINANCE_ALPHA;
},
/**
* @private
*/
isDepthFormat : function(pixelFormat) {
return pixelFormat === PixelFormat.DEPTH_COMPONENT ||
pixelFormat === PixelFormat.DEPTH_STENCIL;
},
/**
* @private
*/
isCompressedFormat : function(pixelFormat) {
return pixelFormat === PixelFormat.RGB_DXT1 ||
pixelFormat === PixelFormat.RGBA_DXT1 ||
pixelFormat === PixelFormat.RGBA_DXT3 ||
pixelFormat === PixelFormat.RGBA_DXT5 ||
pixelFormat === PixelFormat.RGB_PVRTC_4BPPV1 ||
pixelFormat === PixelFormat.RGB_PVRTC_2BPPV1 ||
pixelFormat === PixelFormat.RGBA_PVRTC_4BPPV1 ||
pixelFormat === PixelFormat.RGBA_PVRTC_2BPPV1 ||
pixelFormat === PixelFormat.RGB_ETC1;
},
/**
* @private
*/
isDXTFormat : function(pixelFormat) {
return pixelFormat === PixelFormat.RGB_DXT1 ||
pixelFormat === PixelFormat.RGBA_DXT1 ||
pixelFormat === PixelFormat.RGBA_DXT3 ||
pixelFormat === PixelFormat.RGBA_DXT5;
},
/**
* @private
*/
isPVRTCFormat : function(pixelFormat) {
return pixelFormat === PixelFormat.RGB_PVRTC_4BPPV1 ||
pixelFormat === PixelFormat.RGB_PVRTC_2BPPV1 ||
pixelFormat === PixelFormat.RGBA_PVRTC_4BPPV1 ||
pixelFormat === PixelFormat.RGBA_PVRTC_2BPPV1;
},
/**
* @private
*/
isETC1Format : function(pixelFormat) {
return pixelFormat === PixelFormat.RGB_ETC1;
},
/**
* @private
*/
compressedTextureSizeInBytes : function(pixelFormat, width, height) {
switch (pixelFormat) {
case PixelFormat.RGB_DXT1:
case PixelFormat.RGBA_DXT1:
case PixelFormat.RGB_ETC1:
return Math.floor((width + 3) / 4) * Math.floor((height + 3) / 4) * 8;
case PixelFormat.RGBA_DXT3:
case PixelFormat.RGBA_DXT5:
return Math.floor((width + 3) / 4) * Math.floor((height + 3) / 4) * 16;
case PixelFormat.RGB_PVRTC_4BPPV1:
case PixelFormat.RGBA_PVRTC_4BPPV1:
return Math.floor((Math.max(width, 8) * Math.max(height, 8) * 4 + 7) / 8);
case PixelFormat.RGB_PVRTC_2BPPV1:
case PixelFormat.RGBA_PVRTC_2BPPV1:
return Math.floor((Math.max(width, 16) * Math.max(height, 8) * 2 + 7) / 8);
default:
return 0;
}
},
/**
* @private
*/
textureSizeInBytes : function(pixelFormat, pixelDatatype, width, height) {
var componentsLength = PixelFormat.componentsLength(pixelFormat);
if (PixelDatatype.isPacked(pixelDatatype)) {
componentsLength = 1;
}
return componentsLength * PixelDatatype.sizeInBytes(pixelDatatype) * width * height;
},
/**
* @private
*/
createTypedArray : function(pixelFormat, pixelDatatype, width, height) {
var constructor;
var sizeInBytes = PixelDatatype.sizeInBytes(pixelDatatype);
if (sizeInBytes === Uint8Array.BYTES_PER_ELEMENT) {
constructor = Uint8Array;
} else if (sizeInBytes === Uint16Array.BYTES_PER_ELEMENT) {
constructor = Uint16Array;
} else if (sizeInBytes === Float32Array.BYTES_PER_ELEMENT && pixelDatatype === PixelDatatype.FLOAT) {
constructor = Float32Array;
} else {
constructor = Uint32Array;
}
var size = PixelFormat.componentsLength(pixelFormat) * width * height;
return new constructor(size);
},
/**
* @private
*/
flipY : function(bufferView, pixelFormat, pixelDatatype, width, height) {
if (height === 1) {
return bufferView;
}
var flipped = PixelFormat.createTypedArray(pixelFormat, pixelDatatype, width, height);
var numberOfComponents = PixelFormat.componentsLength(pixelFormat);
var textureWidth = width * numberOfComponents;
for (var i = 0; i < height; ++i) {
var row = i * height * numberOfComponents;
var flippedRow = (height - i - 1) * height * numberOfComponents;
for (var j = 0; j < textureWidth; ++j) {
flipped[flippedRow + j] = bufferView[row + j];
}
}
return flipped;
}
};
return freezeObject(PixelFormat);
});
define('Core/RuntimeError',[
'./defined'
], function(
defined) {
'use strict';
/**
* Constructs an exception object that is thrown due to an error that can occur at runtime, e.g.,
* out of memory, could not compile shader, etc. If a function may throw this
* exception, the calling code should be prepared to catch it.
* <br /><br />
* On the other hand, a {@link DeveloperError} indicates an exception due
* to a developer error, e.g., invalid argument, that usually indicates a bug in the
* calling code.
*
* @alias RuntimeError
* @constructor
* @extends Error
*
* @param {String} [message] The error message for this exception.
*
* @see DeveloperError
*/
function RuntimeError(message) {
/**
* 'RuntimeError' indicating that this exception was thrown due to a runtime error.
* @type {String}
* @readonly
*/
this.name = 'RuntimeError';
/**
* The explanation for why this exception was thrown.
* @type {String}
* @readonly
*/
this.message = message;
//Browsers such as IE don't have a stack property until you actually throw the error.
var stack;
try {
throw new Error();
} catch (e) {
stack = e.stack;
}
/**
* The stack trace of this exception, if available.
* @type {String}
* @readonly
*/
this.stack = stack;
}
if (defined(Object.create)) {
RuntimeError.prototype = Object.create(Error.prototype);
RuntimeError.prototype.constructor = RuntimeError;
}
RuntimeError.prototype.toString = function() {
var str = this.name + ': ' + this.message;
if (defined(this.stack)) {
str += '\n' + this.stack.toString();
}
return str;
};
return RuntimeError;
});
/**
* @licence
* crunch/crnlib uses the ZLIB license:
* http://opensource.org/licenses/Zlib
*
* Copyright (c) 2010-2016 Richard Geldreich, Jr. and Binomial LLC
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
*
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
*
* 3. This notice may not be removed or altered from any source distribution.
*/
// The C++ code was compiled to Javascript with Emcripten.
// For instructions, see: https://github.com/BinomialLLC/crunch
define('ThirdParty/crunch',[], function() {
var Module;if(!Module)Module=(typeof Module!=="undefined"?Module:null)||{};var moduleOverrides={};for(var key in Module){if(Module.hasOwnProperty(key)){moduleOverrides[key]=Module[key]}}var ENVIRONMENT_IS_WEB=false;var ENVIRONMENT_IS_WORKER=false;var ENVIRONMENT_IS_NODE=false;var ENVIRONMENT_IS_SHELL=false;if(Module["ENVIRONMENT"]){if(Module["ENVIRONMENT"]==="WEB"){ENVIRONMENT_IS_WEB=true}else if(Module["ENVIRONMENT"]==="WORKER"){ENVIRONMENT_IS_WORKER=true}else if(Module["ENVIRONMENT"]==="NODE"){ENVIRONMENT_IS_NODE=true}else if(Module["ENVIRONMENT"]==="SHELL"){ENVIRONMENT_IS_SHELL=true}else{throw new Error("The provided Module['ENVIRONMENT'] value is not valid. It must be one of: WEB|WORKER|NODE|SHELL.")}}else{ENVIRONMENT_IS_WEB=typeof window==="object";ENVIRONMENT_IS_WORKER=typeof importScripts==="function";ENVIRONMENT_IS_NODE=typeof process==="object"&&typeof require==="function"&&!ENVIRONMENT_IS_WEB&&!ENVIRONMENT_IS_WORKER;ENVIRONMENT_IS_SHELL=!ENVIRONMENT_IS_WEB&&!ENVIRONMENT_IS_NODE&&!ENVIRONMENT_IS_WORKER}if(ENVIRONMENT_IS_NODE){if(!Module["print"])Module["print"]=console.log;if(!Module["printErr"])Module["printErr"]=console.warn;var nodeFS;var nodePath;Module["read"]=function shell_read(filename,binary){if(!nodeFS)nodeFS=require("fs");if(!nodePath)nodePath=require("path");filename=nodePath["normalize"](filename);var ret=nodeFS["readFileSync"](filename);return binary?ret:ret.toString()};Module["readBinary"]=function readBinary(filename){var ret=Module["read"](filename,true);if(!ret.buffer){ret=new Uint8Array(ret)}assert(ret.buffer);return ret};Module["load"]=function load(f){globalEval(read(f))};if(!Module["thisProgram"]){if(process["argv"].length>1){Module["thisProgram"]=process["argv"][1].replace(/\\/g,"/")}else{Module["thisProgram"]="unknown-program"}}Module["arguments"]=process["argv"].slice(2);if(typeof module!=="undefined"){module["exports"]=Module}process["on"]("uncaughtException",(function(ex){if(!(ex instanceof ExitStatus)){throw ex}}));Module["inspect"]=(function(){return"[Emscripten Module object]"})}else if(ENVIRONMENT_IS_SHELL){if(!Module["print"])Module["print"]=print;if(typeof printErr!="undefined")Module["printErr"]=printErr;if(typeof read!="undefined"){Module["read"]=read}else{Module["read"]=function shell_read(){throw"no read() available"}}Module["readBinary"]=function readBinary(f){if(typeof readbuffer==="function"){return new Uint8Array(readbuffer(f))}var data=read(f,"binary");assert(typeof data==="object");return data};if(typeof scriptArgs!="undefined"){Module["arguments"]=scriptArgs}else if(typeof arguments!="undefined"){Module["arguments"]=arguments}if(typeof quit==="function"){Module["quit"]=(function(status,toThrow){quit(status)})}}else if(ENVIRONMENT_IS_WEB||ENVIRONMENT_IS_WORKER){Module["read"]=function shell_read(url){var xhr=new XMLHttpRequest;xhr.open("GET",url,false);xhr.send(null);return xhr.responseText};if(ENVIRONMENT_IS_WORKER){Module["readBinary"]=function readBinary(url){var xhr=new XMLHttpRequest;xhr.open("GET",url,false);xhr.responseType="arraybuffer";xhr.send(null);return new Uint8Array(xhr.response)}}Module["readAsync"]=function readAsync(url,onload,onerror){var xhr=new XMLHttpRequest;xhr.open("GET",url,true);xhr.responseType="arraybuffer";xhr.onload=function xhr_onload(){if(xhr.status==200||xhr.status==0&&xhr.response){onload(xhr.response)}else{onerror()}};xhr.onerror=onerror;xhr.send(null)};if(typeof arguments!="undefined"){Module["arguments"]=arguments}if(typeof console!=="undefined"){if(!Module["print"])Module["print"]=function shell_print(x){console.log(x)};if(!Module["printErr"])Module["printErr"]=function shell_printErr(x){console.warn(x)}}else{var TRY_USE_DUMP=false;if(!Module["print"])Module["print"]=TRY_USE_DUMP&&typeof dump!=="undefined"?(function(x){dump(x)}):(function(x){})}if(ENVIRONMENT_IS_WORKER){Module["load"]=importScripts}if(typeof Module["setWindowTitle"]==="undefined"){Module["setWindowTitle"]=(function(title){document.title=title})}}else{throw"Unknown runtime environment. Where are we?"}function globalEval(x){eval.call(null,x)}if(!Module["load"]&&Module["read"]){Module["load"]=function load(f){globalEval(Module["read"](f))}}if(!Module["print"]){Module["print"]=(function(){})}if(!Module["printErr"]){Module["printErr"]=Module["print"]}if(!Module["arguments"]){Module["arguments"]=[]}if(!Module["thisProgram"]){Module["thisProgram"]="./this.program"}if(!Module["quit"]){Module["quit"]=(function(status,toThrow){throw toThrow})}Module.print=Module["print"];Module.printErr=Module["printErr"];Module["preRun"]=[];Module["postRun"]=[];for(var key in moduleOverrides){if(moduleOverrides.hasOwnProperty(key)){Module[key]=moduleOverrides[key]}}moduleOverrides=undefined;var Runtime={setTempRet0:(function(value){tempRet0=value;return value}),getTempRet0:(function(){return tempRet0}),stackSave:(function(){return STACKTOP}),stackRestore:(function(stackTop){STACKTOP=stackTop}),getNativeTypeSize:(function(type){switch(type){case"i1":case"i8":return 1;case"i16":return 2;case"i32":return 4;case"i64":return 8;case"float":return 4;case"double":return 8;default:{if(type[type.length-1]==="*"){return Runtime.QUANTUM_SIZE}else if(type[0]==="i"){var bits=parseInt(type.substr(1));assert(bi