dart:web_gl library

3D programming in the browser.

3D programming in the browser.

Classes

ActiveInfo
AngleInstancedArrays
Buffer
CompressedTextureAtc
CompressedTextureETC1
CompressedTexturePvrtc
CompressedTextureS3TC
ContextAttributes
The properties of a WebGL rendering context.
ContextEvent
DebugRendererInfo
DebugShaders
DepthTexture
DrawBuffers
ExtBlendMinMax
ExtFragDepth
ExtShaderTextureLod
ExtTextureFilterAnisotropic
Framebuffer
LoseContext
OesElementIndexUint
OesStandardDerivatives
OesTextureFloat
OesTextureFloatLinear
OesTextureHalfFloat
OesTextureHalfFloatLinear
OesVertexArrayObject
Program
Renderbuffer
RenderingContext
Shader
ShaderPrecisionFormat
Texture
UniformLocation
VertexArrayObject

Properties

web_glBlinkMap dynamic
read-only

Constants

ACTIVE_ATTRIBUTES = RenderingContext.ACTIVE_ATTRIBUTES
ACTIVE_TEXTURE = RenderingContext.ACTIVE_TEXTURE
ACTIVE_UNIFORMS = RenderingContext.ACTIVE_UNIFORMS
ALIASED_LINE_WIDTH_RANGE = RenderingContext.ALIASED_LINE_WIDTH_RANGE
ALIASED_POINT_SIZE_RANGE = RenderingContext.ALIASED_POINT_SIZE_RANGE
ALPHA = RenderingContext.ALPHA
ALPHA_BITS = RenderingContext.ALPHA_BITS
ALWAYS = RenderingContext.ALWAYS
ARRAY_BUFFER = RenderingContext.ARRAY_BUFFER
ARRAY_BUFFER_BINDING = RenderingContext.ARRAY_BUFFER_BINDING
ATTACHED_SHADERS = RenderingContext.ATTACHED_SHADERS
BACK = RenderingContext.BACK
BLEND = RenderingContext.BLEND
BLEND_COLOR = RenderingContext.BLEND_COLOR
BLEND_DST_ALPHA = RenderingContext.BLEND_DST_ALPHA
BLEND_DST_RGB = RenderingContext.BLEND_DST_RGB
BLEND_EQUATION = RenderingContext.BLEND_EQUATION
BLEND_EQUATION_ALPHA = RenderingContext.BLEND_EQUATION_ALPHA
BLEND_EQUATION_RGB = RenderingContext.BLEND_EQUATION_RGB
BLEND_SRC_ALPHA = RenderingContext.BLEND_SRC_ALPHA
BLEND_SRC_RGB = RenderingContext.BLEND_SRC_RGB
BLUE_BITS = RenderingContext.BLUE_BITS
BOOL = RenderingContext.BOOL
BOOL_VEC2 = RenderingContext.BOOL_VEC2
BOOL_VEC3 = RenderingContext.BOOL_VEC3
BOOL_VEC4 = RenderingContext.BOOL_VEC4
BROWSER_DEFAULT_WEBGL = RenderingContext.BROWSER_DEFAULT_WEBGL
BUFFER_SIZE = RenderingContext.BUFFER_SIZE
BUFFER_USAGE = RenderingContext.BUFFER_USAGE
BYTE = RenderingContext.BYTE
CCW = RenderingContext.CCW
CLAMP_TO_EDGE = RenderingContext.CLAMP_TO_EDGE
COLOR_ATTACHMENT0 = RenderingContext.COLOR_ATTACHMENT0
COLOR_BUFFER_BIT = RenderingContext.COLOR_BUFFER_BIT
COLOR_CLEAR_VALUE = RenderingContext.COLOR_CLEAR_VALUE
COLOR_WRITEMASK = RenderingContext.COLOR_WRITEMASK
COMPILE_STATUS = RenderingContext.COMPILE_STATUS
COMPRESSED_TEXTURE_FORMATS = RenderingContext.COMPRESSED_TEXTURE_FORMATS
CONSTANT_ALPHA = RenderingContext.CONSTANT_ALPHA
CONSTANT_COLOR = RenderingContext.CONSTANT_COLOR
CONTEXT_LOST_WEBGL = RenderingContext.CONTEXT_LOST_WEBGL
CULL_FACE = RenderingContext.CULL_FACE
CULL_FACE_MODE = RenderingContext.CULL_FACE_MODE
CURRENT_PROGRAM = RenderingContext.CURRENT_PROGRAM
CURRENT_VERTEX_ATTRIB = RenderingContext.CURRENT_VERTEX_ATTRIB
CW = RenderingContext.CW
DECR = RenderingContext.DECR
DECR_WRAP = RenderingContext.DECR_WRAP
DELETE_STATUS = RenderingContext.DELETE_STATUS
DEPTH_ATTACHMENT = RenderingContext.DEPTH_ATTACHMENT
DEPTH_BITS = RenderingContext.DEPTH_BITS
DEPTH_BUFFER_BIT = RenderingContext.DEPTH_BUFFER_BIT
DEPTH_CLEAR_VALUE = RenderingContext.DEPTH_CLEAR_VALUE
DEPTH_COMPONENT = RenderingContext.DEPTH_COMPONENT
DEPTH_COMPONENT16 = RenderingContext.DEPTH_COMPONENT16
DEPTH_FUNC = RenderingContext.DEPTH_FUNC
DEPTH_RANGE = RenderingContext.DEPTH_RANGE
DEPTH_STENCIL = RenderingContext.DEPTH_STENCIL
DEPTH_STENCIL_ATTACHMENT = RenderingContext.DEPTH_STENCIL_ATTACHMENT
DEPTH_TEST = RenderingContext.DEPTH_TEST
DEPTH_WRITEMASK = RenderingContext.DEPTH_WRITEMASK
DITHER = RenderingContext.DITHER
DONT_CARE = RenderingContext.DONT_CARE
DST_ALPHA = RenderingContext.DST_ALPHA
DST_COLOR = RenderingContext.DST_COLOR
DYNAMIC_DRAW = RenderingContext.DYNAMIC_DRAW
ELEMENT_ARRAY_BUFFER = RenderingContext.ELEMENT_ARRAY_BUFFER
ELEMENT_ARRAY_BUFFER_BINDING = RenderingContext.ELEMENT_ARRAY_BUFFER_BINDING
EQUAL = RenderingContext.EQUAL
FASTEST = RenderingContext.FASTEST
FLOAT = RenderingContext.FLOAT
FLOAT_MAT2 = RenderingContext.FLOAT_MAT2
FLOAT_MAT3 = RenderingContext.FLOAT_MAT3
FLOAT_MAT4 = RenderingContext.FLOAT_MAT4
FLOAT_VEC2 = RenderingContext.FLOAT_VEC2
FLOAT_VEC3 = RenderingContext.FLOAT_VEC3
FLOAT_VEC4 = RenderingContext.FLOAT_VEC4
FRAGMENT_SHADER = RenderingContext.FRAGMENT_SHADER
FRAMEBUFFER = RenderingContext.FRAMEBUFFER
FRAMEBUFFER_ATTACHMENT_OBJECT_NAME = RenderingContext.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME
FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE = RenderingContext.FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE
FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE = RenderingContext.FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE
FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL = RenderingContext.FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL
FRAMEBUFFER_BINDING = RenderingContext.FRAMEBUFFER_BINDING
FRAMEBUFFER_COMPLETE = RenderingContext.FRAMEBUFFER_COMPLETE
FRAMEBUFFER_INCOMPLETE_ATTACHMENT = RenderingContext.FRAMEBUFFER_INCOMPLETE_ATTACHMENT
FRAMEBUFFER_INCOMPLETE_DIMENSIONS = RenderingContext.FRAMEBUFFER_INCOMPLETE_DIMENSIONS
FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT = RenderingContext.FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT
FRAMEBUFFER_UNSUPPORTED = RenderingContext.FRAMEBUFFER_UNSUPPORTED
FRONT = RenderingContext.FRONT
FRONT_AND_BACK = RenderingContext.FRONT_AND_BACK
FRONT_FACE = RenderingContext.FRONT_FACE
FUNC_ADD = RenderingContext.FUNC_ADD
FUNC_REVERSE_SUBTRACT = RenderingContext.FUNC_REVERSE_SUBTRACT
FUNC_SUBTRACT = RenderingContext.FUNC_SUBTRACT
GENERATE_MIPMAP_HINT = RenderingContext.GENERATE_MIPMAP_HINT
GEQUAL = RenderingContext.GEQUAL
GREATER = RenderingContext.GREATER
GREEN_BITS = RenderingContext.GREEN_BITS
HALF_FLOAT_OES = OesTextureHalfFloat.HALF_FLOAT_OES
HIGH_FLOAT = RenderingContext.HIGH_FLOAT
HIGH_INT = RenderingContext.HIGH_INT
INCR = RenderingContext.INCR
INCR_WRAP = RenderingContext.INCR_WRAP
INT = RenderingContext.INT
INT_VEC2 = RenderingContext.INT_VEC2
INT_VEC3 = RenderingContext.INT_VEC3
INT_VEC4 = RenderingContext.INT_VEC4
INVALID_ENUM = RenderingContext.INVALID_ENUM
INVALID_FRAMEBUFFER_OPERATION = RenderingContext.INVALID_FRAMEBUFFER_OPERATION
INVALID_OPERATION = RenderingContext.INVALID_OPERATION
INVALID_VALUE = RenderingContext.INVALID_VALUE
INVERT = RenderingContext.INVERT
KEEP = RenderingContext.KEEP
LEQUAL = RenderingContext.LEQUAL
LESS = RenderingContext.LESS
LINEAR = RenderingContext.LINEAR
LINEAR_MIPMAP_LINEAR = RenderingContext.LINEAR_MIPMAP_LINEAR
LINEAR_MIPMAP_NEAREST = RenderingContext.LINEAR_MIPMAP_NEAREST
LINES = RenderingContext.LINES
LINE_LOOP = RenderingContext.LINE_LOOP
LINE_STRIP = RenderingContext.LINE_STRIP
LINE_WIDTH = RenderingContext.LINE_WIDTH
LOW_FLOAT = RenderingContext.LOW_FLOAT
LOW_INT = RenderingContext.LOW_INT
LUMINANCE = RenderingContext.LUMINANCE
LUMINANCE_ALPHA = RenderingContext.LUMINANCE_ALPHA
MAX_COMBINED_TEXTURE_IMAGE_UNITS = RenderingContext.MAX_COMBINED_TEXTURE_IMAGE_UNITS
MAX_CUBE_MAP_TEXTURE_SIZE = RenderingContext.MAX_CUBE_MAP_TEXTURE_SIZE
MAX_FRAGMENT_UNIFORM_VECTORS = RenderingContext.MAX_FRAGMENT_UNIFORM_VECTORS
MAX_RENDERBUFFER_SIZE = RenderingContext.MAX_RENDERBUFFER_SIZE
MAX_TEXTURE_IMAGE_UNITS = RenderingContext.MAX_TEXTURE_IMAGE_UNITS
MAX_TEXTURE_SIZE = RenderingContext.MAX_TEXTURE_SIZE
MAX_VARYING_VECTORS = RenderingContext.MAX_VARYING_VECTORS
MAX_VERTEX_ATTRIBS = RenderingContext.MAX_VERTEX_ATTRIBS
MAX_VERTEX_TEXTURE_IMAGE_UNITS = RenderingContext.MAX_VERTEX_TEXTURE_IMAGE_UNITS
MAX_VERTEX_UNIFORM_VECTORS = RenderingContext.MAX_VERTEX_UNIFORM_VECTORS
MAX_VIEWPORT_DIMS = RenderingContext.MAX_VIEWPORT_DIMS
MEDIUM_FLOAT = RenderingContext.MEDIUM_FLOAT
MEDIUM_INT = RenderingContext.MEDIUM_INT
MIRRORED_REPEAT = RenderingContext.MIRRORED_REPEAT
NEAREST = RenderingContext.NEAREST
NEAREST_MIPMAP_LINEAR = RenderingContext.NEAREST_MIPMAP_LINEAR
NEAREST_MIPMAP_NEAREST = RenderingContext.NEAREST_MIPMAP_NEAREST
NEVER = RenderingContext.NEVER
NICEST = RenderingContext.NICEST
NONE = RenderingContext.NONE
NOTEQUAL = RenderingContext.NOTEQUAL
NO_ERROR = RenderingContext.NO_ERROR
ONE = RenderingContext.ONE
ONE_MINUS_CONSTANT_ALPHA = RenderingContext.ONE_MINUS_CONSTANT_ALPHA
ONE_MINUS_CONSTANT_COLOR = RenderingContext.ONE_MINUS_CONSTANT_COLOR
ONE_MINUS_DST_ALPHA = RenderingContext.ONE_MINUS_DST_ALPHA
ONE_MINUS_DST_COLOR = RenderingContext.ONE_MINUS_DST_COLOR
ONE_MINUS_SRC_ALPHA = RenderingContext.ONE_MINUS_SRC_ALPHA
ONE_MINUS_SRC_COLOR = RenderingContext.ONE_MINUS_SRC_COLOR
OUT_OF_MEMORY = RenderingContext.OUT_OF_MEMORY
PACK_ALIGNMENT = RenderingContext.PACK_ALIGNMENT
POINTS = RenderingContext.POINTS
POLYGON_OFFSET_FACTOR = RenderingContext.POLYGON_OFFSET_FACTOR
POLYGON_OFFSET_FILL = RenderingContext.POLYGON_OFFSET_FILL
POLYGON_OFFSET_UNITS = RenderingContext.POLYGON_OFFSET_UNITS
RED_BITS = RenderingContext.RED_BITS
RENDERBUFFER = RenderingContext.RENDERBUFFER
RENDERBUFFER_ALPHA_SIZE = RenderingContext.RENDERBUFFER_ALPHA_SIZE
RENDERBUFFER_BINDING = RenderingContext.RENDERBUFFER_BINDING
RENDERBUFFER_BLUE_SIZE = RenderingContext.RENDERBUFFER_BLUE_SIZE
RENDERBUFFER_DEPTH_SIZE = RenderingContext.RENDERBUFFER_DEPTH_SIZE
RENDERBUFFER_GREEN_SIZE = RenderingContext.RENDERBUFFER_GREEN_SIZE
RENDERBUFFER_HEIGHT = RenderingContext.RENDERBUFFER_HEIGHT
RENDERBUFFER_INTERNAL_FORMAT = RenderingContext.RENDERBUFFER_INTERNAL_FORMAT
RENDERBUFFER_RED_SIZE = RenderingContext.RENDERBUFFER_RED_SIZE
RENDERBUFFER_STENCIL_SIZE = RenderingContext.RENDERBUFFER_STENCIL_SIZE
RENDERBUFFER_WIDTH = RenderingContext.RENDERBUFFER_WIDTH
RENDERER = RenderingContext.RENDERER
REPEAT = RenderingContext.REPEAT
REPLACE = RenderingContext.REPLACE
RGB = RenderingContext.RGB
RGB565 = RenderingContext.RGB565
RGB5_A1 = RenderingContext.RGB5_A1
RGBA = RenderingContext.RGBA
RGBA4 = RenderingContext.RGBA4
SAMPLER_2D = RenderingContext.SAMPLER_2D
SAMPLER_CUBE = RenderingContext.SAMPLER_CUBE
SAMPLES = RenderingContext.SAMPLES
SAMPLE_ALPHA_TO_COVERAGE = RenderingContext.SAMPLE_ALPHA_TO_COVERAGE
SAMPLE_BUFFERS = RenderingContext.SAMPLE_BUFFERS
SAMPLE_COVERAGE = RenderingContext.SAMPLE_COVERAGE
SAMPLE_COVERAGE_INVERT = RenderingContext.SAMPLE_COVERAGE_INVERT
SAMPLE_COVERAGE_VALUE = RenderingContext.SAMPLE_COVERAGE_VALUE
SCISSOR_BOX = RenderingContext.SCISSOR_BOX
SCISSOR_TEST = RenderingContext.SCISSOR_TEST
SHADER_TYPE = RenderingContext.SHADER_TYPE
SHADING_LANGUAGE_VERSION = RenderingContext.SHADING_LANGUAGE_VERSION
SHORT = RenderingContext.SHORT
SRC_ALPHA = RenderingContext.SRC_ALPHA
SRC_ALPHA_SATURATE = RenderingContext.SRC_ALPHA_SATURATE
SRC_COLOR = RenderingContext.SRC_COLOR
STATIC_DRAW = RenderingContext.STATIC_DRAW
STENCIL_ATTACHMENT = RenderingContext.STENCIL_ATTACHMENT
STENCIL_BACK_FAIL = RenderingContext.STENCIL_BACK_FAIL
STENCIL_BACK_FUNC = RenderingContext.STENCIL_BACK_FUNC
STENCIL_BACK_PASS_DEPTH_FAIL = RenderingContext.STENCIL_BACK_PASS_DEPTH_FAIL
STENCIL_BACK_PASS_DEPTH_PASS = RenderingContext.STENCIL_BACK_PASS_DEPTH_PASS
STENCIL_BACK_REF = RenderingContext.STENCIL_BACK_REF
STENCIL_BACK_VALUE_MASK = RenderingContext.STENCIL_BACK_VALUE_MASK
STENCIL_BACK_WRITEMASK = RenderingContext.STENCIL_BACK_WRITEMASK
STENCIL_BITS = RenderingContext.STENCIL_BITS
STENCIL_BUFFER_BIT = RenderingContext.STENCIL_BUFFER_BIT
STENCIL_CLEAR_VALUE = RenderingContext.STENCIL_CLEAR_VALUE
STENCIL_FAIL = RenderingContext.STENCIL_FAIL
STENCIL_FUNC = RenderingContext.STENCIL_FUNC
STENCIL_INDEX = RenderingContext.STENCIL_INDEX
STENCIL_INDEX8 = RenderingContext.STENCIL_INDEX8
STENCIL_PASS_DEPTH_FAIL = RenderingContext.STENCIL_PASS_DEPTH_FAIL
STENCIL_PASS_DEPTH_PASS = RenderingContext.STENCIL_PASS_DEPTH_PASS
STENCIL_REF = RenderingContext.STENCIL_REF
STENCIL_TEST = RenderingContext.STENCIL_TEST
STENCIL_VALUE_MASK = RenderingContext.STENCIL_VALUE_MASK
STENCIL_WRITEMASK = RenderingContext.STENCIL_WRITEMASK
STREAM_DRAW = RenderingContext.STREAM_DRAW
SUBPIXEL_BITS = RenderingContext.SUBPIXEL_BITS
TEXTURE = RenderingContext.TEXTURE
TEXTURE0 = RenderingContext.TEXTURE0
TEXTURE1 = RenderingContext.TEXTURE1
TEXTURE10 = RenderingContext.TEXTURE10
TEXTURE11 = RenderingContext.TEXTURE11
TEXTURE12 = RenderingContext.TEXTURE12
TEXTURE13 = RenderingContext.TEXTURE13
TEXTURE14 = RenderingContext.TEXTURE14
TEXTURE15 = RenderingContext.TEXTURE15
TEXTURE16 = RenderingContext.TEXTURE16
TEXTURE17 = RenderingContext.TEXTURE17
TEXTURE18 = RenderingContext.TEXTURE18
TEXTURE19 = RenderingContext.TEXTURE19
TEXTURE2 = RenderingContext.TEXTURE2
TEXTURE20 = RenderingContext.TEXTURE20
TEXTURE21 = RenderingContext.TEXTURE21
TEXTURE22 = RenderingContext.TEXTURE22
TEXTURE23 = RenderingContext.TEXTURE23
TEXTURE24 = RenderingContext.TEXTURE24
TEXTURE25 = RenderingContext.TEXTURE25
TEXTURE26 = RenderingContext.TEXTURE26
TEXTURE27 = RenderingContext.TEXTURE27
TEXTURE28 = RenderingContext.TEXTURE28
TEXTURE29 = RenderingContext.TEXTURE29
TEXTURE3 = RenderingContext.TEXTURE3
TEXTURE30 = RenderingContext.TEXTURE30
TEXTURE31 = RenderingContext.TEXTURE31
TEXTURE4 = RenderingContext.TEXTURE4
TEXTURE5 = RenderingContext.TEXTURE5
TEXTURE6 = RenderingContext.TEXTURE6
TEXTURE7 = RenderingContext.TEXTURE7
TEXTURE8 = RenderingContext.TEXTURE8
TEXTURE9 = RenderingContext.TEXTURE9
TEXTURE_2D = RenderingContext.TEXTURE_2D
TEXTURE_BINDING_2D = RenderingContext.TEXTURE_BINDING_2D
TEXTURE_BINDING_CUBE_MAP = RenderingContext.TEXTURE_BINDING_CUBE_MAP
TEXTURE_CUBE_MAP = RenderingContext.TEXTURE_CUBE_MAP
TEXTURE_CUBE_MAP_NEGATIVE_X = RenderingContext.TEXTURE_CUBE_MAP_NEGATIVE_X
TEXTURE_CUBE_MAP_NEGATIVE_Y = RenderingContext.TEXTURE_CUBE_MAP_NEGATIVE_Y
TEXTURE_CUBE_MAP_NEGATIVE_Z = RenderingContext.TEXTURE_CUBE_MAP_NEGATIVE_Z
TEXTURE_CUBE_MAP_POSITIVE_X = RenderingContext.TEXTURE_CUBE_MAP_POSITIVE_X
TEXTURE_CUBE_MAP_POSITIVE_Y = RenderingContext.TEXTURE_CUBE_MAP_POSITIVE_Y
TEXTURE_CUBE_MAP_POSITIVE_Z = RenderingContext.TEXTURE_CUBE_MAP_POSITIVE_Z
TEXTURE_MAG_FILTER = RenderingContext.TEXTURE_MAG_FILTER
TEXTURE_MIN_FILTER = RenderingContext.TEXTURE_MIN_FILTER
TEXTURE_WRAP_S = RenderingContext.TEXTURE_WRAP_S
TEXTURE_WRAP_T = RenderingContext.TEXTURE_WRAP_T
TRIANGLES = RenderingContext.TRIANGLES
TRIANGLE_FAN = RenderingContext.TRIANGLE_FAN
TRIANGLE_STRIP = RenderingContext.TRIANGLE_STRIP
UNPACK_ALIGNMENT = RenderingContext.UNPACK_ALIGNMENT
UNPACK_COLORSPACE_CONVERSION_WEBGL = RenderingContext.UNPACK_COLORSPACE_CONVERSION_WEBGL
UNPACK_FLIP_Y_WEBGL = RenderingContext.UNPACK_FLIP_Y_WEBGL
UNPACK_PREMULTIPLY_ALPHA_WEBGL = RenderingContext.UNPACK_PREMULTIPLY_ALPHA_WEBGL
UNSIGNED_BYTE = RenderingContext.UNSIGNED_BYTE
UNSIGNED_INT = RenderingContext.UNSIGNED_INT
UNSIGNED_SHORT = RenderingContext.UNSIGNED_SHORT
UNSIGNED_SHORT_4_4_4_4 = RenderingContext.UNSIGNED_SHORT_4_4_4_4
UNSIGNED_SHORT_5_5_5_1 = RenderingContext.UNSIGNED_SHORT_5_5_5_1
UNSIGNED_SHORT_5_6_5 = RenderingContext.UNSIGNED_SHORT_5_6_5
VALIDATE_STATUS = RenderingContext.VALIDATE_STATUS
VENDOR = RenderingContext.VENDOR
VERSION = RenderingContext.VERSION
VERTEX_ATTRIB_ARRAY_BUFFER_BINDING = RenderingContext.VERTEX_ATTRIB_ARRAY_BUFFER_BINDING
VERTEX_ATTRIB_ARRAY_ENABLED = RenderingContext.VERTEX_ATTRIB_ARRAY_ENABLED
VERTEX_ATTRIB_ARRAY_NORMALIZED = RenderingContext.VERTEX_ATTRIB_ARRAY_NORMALIZED
VERTEX_ATTRIB_ARRAY_POINTER = RenderingContext.VERTEX_ATTRIB_ARRAY_POINTER
VERTEX_ATTRIB_ARRAY_SIZE = RenderingContext.VERTEX_ATTRIB_ARRAY_SIZE
VERTEX_ATTRIB_ARRAY_STRIDE = RenderingContext.VERTEX_ATTRIB_ARRAY_STRIDE
VERTEX_ATTRIB_ARRAY_TYPE = RenderingContext.VERTEX_ATTRIB_ARRAY_TYPE
VERTEX_SHADER = RenderingContext.VERTEX_SHADER
VIEWPORT = RenderingContext.VIEWPORT
ZERO = RenderingContext.ZERO