WebGL2RenderingContext

Selects the active texture unit.

Value Params

texture: an integer specifying the texture unit to make active. Must be in 0 .. MAX_COMBINED_TEXTURE_IMAGE_UNITS-1

Inherited from

WebGLRenderingContext

Attaches a shader (fragment or vertex) to a WebGLProgram.

Inherited from: WebGLRenderingContext

Associates a vertex attribute index with a named attribute variable.

Inherited from: WebGLRenderingContext

Loads a a target into a WebGLBuffer.

Value Params

target: the target to bind the buffer to. May be WebGLRenderingContext.ARRAY_BUFFER or WebGLRenderingContext.ELEMENT_ARRAY_BUFFER

Inherited from

WebGLRenderingContext

Loads a a target into a WebGLFramebuffer.

Value Params

framebuffer: a framebuffer object, or null to bind the default framebuffer.
target: the target to bind the framebuffer to. Must be WebGLRenderingContext.FRAMEBUFFER.

Inherited from

WebGLRenderingContext

Loads a a target into a WebGLRenderbuffer.

Value Params

renderbuffer: the renderbuffer to bind. If null, any object bound to target us unbound.
target: target to bind to, must be WebGLRenderingContext.RENDERBUFFER

Inherited from

WebGLRenderingContext

Loads a the active texture unit into a WebGLTexture.

Value Params

target: the target to bind to. Must be WebGLRenderingContext.TEXTURE_2D or WebGLRenderingContext.TEXTURE_CUBE_MAP
texture: the texture to bind.

Inherited from

WebGLRenderingContext

Sets the blend color used in WebGLRenderingContext.BLEND_COLOR.

Inherited from: WebGLRenderingContext

Specifies the equation used for RGB and Alpha blending.

Value Params

mode: blend equation to use. Can be one of WebGLRenderingContext.FUNC_ADD, WebGLRenderingContext.FUNC_SUBTRACT, or WebGLRenderingContext.FUNC_REVERSE_SUBTRACT

Inherited from

WebGLRenderingContext

Specifies the equation used for RGB and Alpha blending separately.

Value Params

modeAlpha: blend equation to use for alpha components. Can be one of WebGLRenderingContext.FUNC_ADD, WebGLRenderingContext.FUNC_SUBTRACT, or WebGLRenderingContext.FUNC_REVERSE_SUBTRACT
modeRGB: blend equation to use for RGB components. Can be one of WebGLRenderingContext.FUNC_ADD, WebGLRenderingContext.FUNC_SUBTRACT, or WebGLRenderingContext.FUNC_REVERSE_SUBTRACT

Inherited from

WebGLRenderingContext

Specifies how the blending factors are computed for source and destination pixels.

Value Params

dfactor: The destination blending factors. May be one of WebGLRenderingContext.ZERO, WebGLRenderingContext.ONE, WebGLRenderingContext.SRC_COLOR, WebGLRenderingContext.ONE_MINUS_SRC_COLOR, WebGLRenderingContext.DST_COLOR, WebGLRenderingContext.ONE_MINUS_DST_COLOR, WebGLRenderingContext.SRC_ALPHA, WebGLRenderingContext.ONE_MINUS_SRC_ALPHA, WebGLRenderingContext.DST_ALPHA, WebGLRenderingContext.ONE_MINUS_DST_ALPHA, WebGLRenderingContext.CONSTANT_COLOR, ONE_MINUS_CONSTANT_COLOR, WebGLRenderingContext.CONSTANT_ALPHA, or WebGLRenderingContext.ONE_MINUS_CONSTANT_ALPHA. This value is initially WebGLRenderingContext.ZERO.
sfactor: The source blending factors. May be one of WebGLRenderingContext.ZERO, WebGLRenderingContext.ONE, WebGLRenderingContext.SRC_COLOR, WebGLRenderingContext.ONE_MINUS_SRC_COLOR, WebGLRenderingContext.DST_COLOR, WebGLRenderingContext.ONE_MINUS_DST_COLOR, WebGLRenderingContext.SRC_ALPHA, WebGLRenderingContext.ONE_MINUS_SRC_ALPHA, WebGLRenderingContext.DST_ALPHA, WebGLRenderingContext.ONE_MINUS_DST_ALPHA, WebGLRenderingContext.CONSTANT_COLOR, WebGLRenderingContext.ONE_MINUS_CONSTANT_COLOR, WebGLRenderingContext.CONSTANT_ALPHA, WebGLRenderingContext.ONE_MINUS_CONSTANT_ALPHA, or WebGLRenderingContext.SRC_ALPHA_SATURATE. Initially this value is WebGLRenderingContext.ONE.

Inherited from

WebGLRenderingContext

Specifies how the blending factors are computed for source and destination pixels, separately for alpha and RGB.

Value Params

dstAlpha: The destination blending factor for Alpha. Accepted values are the same as srcRGB. The initial value is WebGLRenderingContext.ZERO.
dstRGB: The destination blending factor for RGB. May be one of WebGLRenderingContext.ZERO, WebGLRenderingContext.ONE, WebGLRenderingContext.SRC_COLOR, WebGLRenderingContext.ONE_MINUS_SRC_COLOR, WebGLRenderingContext.DST_COLOR, WebGLRenderingContext.ONE_MINUS_DST_COLOR, WebGLRenderingContext.SRC_ALPHA, WebGLRenderingContext.ONE_MINUS_SRC_ALPHA, WebGLRenderingContext.DST_ALPHA, WebGLRenderingContext.ONE_MINUS_DST_ALPHA, WebGLRenderingContext.CONSTANT_COLOR, ONE_MINUS_CONSTANT_COLOR, WebGLRenderingContext.CONSTANT_ALPHA, or WebGLRenderingContext.ONE_MINUS_CONSTANT_ALPHA. This value is initially WebGLRenderingContext.ZERO.
srcAlpha: The source blending factor for Alpha. Accepted values are the same as srcRGB. The initial value is WebGLRenderingContext.ONE.
srcRGB: The source blending factor for RGB. May be one of WebGLRenderingContext.ZERO, WebGLRenderingContext.ONE, WebGLRenderingContext.SRC_COLOR, WebGLRenderingContext.ONE_MINUS_SRC_COLOR, WebGLRenderingContext.DST_COLOR, WebGLRenderingContext.ONE_MINUS_DST_COLOR, WebGLRenderingContext.SRC_ALPHA, WebGLRenderingContext.ONE_MINUS_SRC_ALPHA, WebGLRenderingContext.DST_ALPHA, WebGLRenderingContext.ONE_MINUS_DST_ALPHA, WebGLRenderingContext.CONSTANT_COLOR, WebGLRenderingContext.ONE_MINUS_CONSTANT_COLOR, WebGLRenderingContext.CONSTANT_ALPHA, WebGLRenderingContext.ONE_MINUS_CONSTANT_ALPHA, or WebGLRenderingContext.SRC_ALPHA_SATURATE. Initially this value is WebGLRenderingContext.ONE.

Inherited from

WebGLRenderingContext

Resizes the bound WebGLBuffer for the given target to the size of the passed buffer, and replaces its contents with the contents of the buffer.

Value Params

data: the source data for the new buffer.
target: The target to resize. May be WebGLRenderingContext.ARRAY_BUFFER or WebGLRenderingContext.ELEMENT_ARRAY_BUFFER.
usage: The specified usage for this buffer. May be WebGLRenderingContext.STREAM_DRAW, WebGLRenderingContext.STATIC_DRAW or WebGLRenderingContext.DYNAMIC_DRAW.

Inherited from

WebGLRenderingContext

Resizes the bound WebGLBuffer for the given target to the size of the passed buffer, and replaces its contents with the contents of the buffer.

Value Params

data: the source data for the new buffer.
target: The target to resize. May be WebGLRenderingContext.ARRAY_BUFFER or WebGLRenderingContext.ELEMENT_ARRAY_BUFFER.
usage: The specified usage for this buffer. May be WebGLRenderingContext.STREAM_DRAW, WebGLRenderingContext.STATIC_DRAW or WebGLRenderingContext.DYNAMIC_DRAW.

Inherited from

WebGLRenderingContext

Sets the size of the bound WebGLBuffer for the given target. The contents of the buffer are cleared to 0.

Value Params

size: The size of the new buffer
target: The target to resize. May be WebGLRenderingContext.ARRAY_BUFFER or WebGLRenderingContext.ELEMENT_ARRAY_BUFFER.
usage: The specified usage for this buffer. May be WebGLRenderingContext.STREAM_DRAW, WebGLRenderingContext.STATIC_DRAW or WebGLRenderingContext.DYNAMIC_DRAW.

Inherited from

WebGLRenderingContext

Inherited from: WebGLRenderingContext

Inherited from: WebGLRenderingContext

Returns the completeness status for the framebuffer.

The possible results are:

WebGLRenderingContext.FRAMEBUFFER_COMPLETE - the framebuffer is complete.
WebGLRenderingContext.FRAMEBUFFER_INCOMPLETE_ATTACHMENT - one or more attachment points are not complete in the framebuffer.
WebGLRenderingContext.FRAMEBUFFER_INCOMPLETE_DIMENSIONS - one or more attached images do not have a specified width and height.
WebGLRenderingContext.FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT - there are no images attached to the framebuffer.
WebGLRenderingContext.FRAMEBUFFER_UNSUPPORTED - the attached image format combinations are not supported on this platform.

Value Params

target: the target framebuffer object, must be WebGLRenderingContext.FRAMEBUFFER.

Returns

the framebuffer status.

Inherited from

WebGLRenderingContext

Clears the buffers specified in mask with the current WebGLRenderingContext#clearColor, WebGLRenderingContext#clearDepth and WebGLRenderingContext#clearStencil.

Value Params

mask: The buffers to clear, a bitmask of one or more of WebGLRenderingContext.COLOR_BUFFER_BIT, WebGLRenderingContext.DEPTH_BUFFER_BIT and WebGLRenderingContext.STENCIL_BUFFER_BIT.

Inherited from

WebGLRenderingContext

Sets the clear color to use with WebGLRenderingContext#clear.

Inherited from: WebGLRenderingContext

Sets the clear depth to use with WebGLRenderingContext#clear.

Inherited from: WebGLRenderingContext

Sets the stencil value to use with WebGLRenderingContext#clear.

Inherited from: WebGLRenderingContext

Enable and disable writing to the given channels. For each channel, true will allow writing, false will prevent it.

Inherited from: WebGLRenderingContext

Compiles the provided shader.

The WebGLRenderingContext#getShaderParameter can be used to determine if this operation succeeded.

Inherited from: WebGLRenderingContext

Loads a 2-dimensional texture into a texture unit, compressed with the specified algorithm.

Value Params

border: the border width. Must be 0.
data: the compressed image data.
height: the height of the texture image.
internalformat: the format of the compressed data.
level: the mipmap level of detail. 0 is the base image.
target: the target on the active texture unit. May be WebGLRenderingContext.TEXTURE_2D, WebGLRenderingContext.TEXTURE_CUBE_MAP_POSITIVE_X, WebGLRenderingContext.TEXTURE_CUBE_MAP_NEGATIVE_X, WebGLRenderingContext.TEXTURE_CUBE_MAP_POSITIVE_Y, WebGLRenderingContext.TEXTURE_CUBE_MAP_NEGATIVE_Y, WebGLRenderingContext.TEXTURE_CUBE_MAP_POSITIVE_Z, or WebGLRenderingContext.TEXTURE_CUBE_MAP_NEGATIVE_Z
width: the width of the texture image.

Inherited from

WebGLRenderingContext

Loads a 2-dimensional texture subimage into a texture unit, compressed with the specified algorithm.

Value Params

data: the compressed image data.
format: the format of the compressed image data
height: the height of the texture image.
level: the mipmap level of detail. 0 is the base image.
target: the target on the active texture unit. May be WebGLRenderingContext.TEXTURE_2D, WebGLRenderingContext.TEXTURE_CUBE_MAP_POSITIVE_X, WebGLRenderingContext.TEXTURE_CUBE_MAP_NEGATIVE_X, WebGLRenderingContext.TEXTURE_CUBE_MAP_POSITIVE_Y, WebGLRenderingContext.TEXTURE_CUBE_MAP_NEGATIVE_Y, WebGLRenderingContext.TEXTURE_CUBE_MAP_POSITIVE_Z, or WebGLRenderingContext.TEXTURE_CUBE_MAP_NEGATIVE_Z
width: the width of the texture image.
xoffset: the x texel offset into the texture image.
yoffset: the y texel offset into the texture image.

Inherited from

WebGLRenderingContext

Loads a 2-dimensional texture into a texture unit from the current framebuffer.

Value Params

border: the border width. Must be 0.
height: the height of the texture image.
internalformat: the format of the data. May be WebGLRenderingContext.ALPHA, WebGLRenderingContext.LUMINANCE, WebGLRenderingContext.LUMINANCE_ALPHA, WebGLRenderingContext.RGB, or WebGLRenderingContext.RGBA.
level: the mipmap level of detail. 0 is the base image.
target: the target on the active texture unit. May be WebGLRenderingContext.TEXTURE_2D, WebGLRenderingContext.TEXTURE_CUBE_MAP_POSITIVE_X, WebGLRenderingContext.TEXTURE_CUBE_MAP_NEGATIVE_X, WebGLRenderingContext.TEXTURE_CUBE_MAP_POSITIVE_Y, WebGLRenderingContext.TEXTURE_CUBE_MAP_NEGATIVE_Y, WebGLRenderingContext.TEXTURE_CUBE_MAP_POSITIVE_Z, or WebGLRenderingContext.TEXTURE_CUBE_MAP_NEGATIVE_Z
width: the width of the texture image.
x: the window coordinates of the lower left corner of the framebuffer.
y: the window coordinates of the lower left corner of the framebuffer.

Inherited from

WebGLRenderingContext

Loads a 2-dimensional texture subimage into a texture unit from the current framebuffer.

Value Params

height: the height of the texture image.
level: the mipmap level of detail. 0 is the base image.
target: the target on the active texture unit. May be WebGLRenderingContext.TEXTURE_2D, WebGLRenderingContext.TEXTURE_CUBE_MAP_POSITIVE_X, WebGLRenderingContext.TEXTURE_CUBE_MAP_NEGATIVE_X, WebGLRenderingContext.TEXTURE_CUBE_MAP_POSITIVE_Y, WebGLRenderingContext.TEXTURE_CUBE_MAP_NEGATIVE_Y, WebGLRenderingContext.TEXTURE_CUBE_MAP_POSITIVE_Z, or WebGLRenderingContext.TEXTURE_CUBE_MAP_NEGATIVE_Z
width: the width of the texture image.
x: the window coordinates of the lower left corner of the framebuffer.
xoffset: the x texel offset into the texture image.
y: the window coordinates of the lower left corner of the framebuffer.
yoffset: the y texel offset into the texture image.

Inherited from

WebGLRenderingContext

Creates a new WebGLBuffer.

Inherited from: WebGLRenderingContext

Creates a new WebGLFramebuffer.

Inherited from: WebGLRenderingContext

Creates a new WebGLProgram.

Inherited from: WebGLRenderingContext

Creates a new WebGLRenderbuffer.

Inherited from: WebGLRenderingContext

Creates a new WebGLShader.

Inherited from: WebGLRenderingContext

Creates a new WebGLTexture.

Inherited from: WebGLRenderingContext

Set the culling mode for front and back facing polygons.

Value Params

mode: the culling mode, may be WebGLRenderingContext.FRONT, WebGLRenderingContext.BACK or WebGLRenderingContext.FRONT_AND_BACK. When WebGLRenderingContext.FRONT_AND_BACK is set, no triangles are drawn, however lines and points will.

Inherited from

WebGLRenderingContext

Flags the specified WebGLBuffer for deletion. When it is no longer used by the WebGL system it will be deleted.

''Note'': garbage collection will also delete the buffer, it is not mandatory to call this method.

Inherited from: WebGLRenderingContext

Flags the specified WebGLFramebuffer for deletion. When it is no longer used by the WebGL system it will be deleted.

''Note'': garbage collection will also delete the framebuffer, it is not mandatory to call this method.

Inherited from: WebGLRenderingContext

Flags the specified WebGLProgram for deletion. When it is no longer used by the WebGL system it will be deleted.

''Note'': garbage collection will also delete the program, it is not mandatory to call this method.

Inherited from: WebGLRenderingContext

Flags the specified WebGLRenderbuffer for deletion. When it is no longer used by the WebGL system it will be deleted.

''Note'': garbage collection will also delete the renderbuffer, it is not mandatory to call this method.

Inherited from: WebGLRenderingContext

Flags the specified WebGLShader for deletion. When it is no longer used by the WebGL system it will be deleted.

''Note'': garbage collection will also delete the shader, it is not mandatory to call this method.

Inherited from: WebGLRenderingContext

Flags the specified WebGLTexture for deletion. When it is no longer used by the WebGL system it will be deleted.

''Note'': garbage collection will also delete the texture, it is not mandatory to call this method.

Inherited from: WebGLRenderingContext

Set the function used to discard fragments. When depth testing is enabled, the fragment depth is compared with the current depth, and is allowed onto the framebuffer.

Value Params

func: the function to allow the fragment to be drawn. Values are WebGLRenderingContext.NEVER, WebGLRenderingContext.LESS, WebGLRenderingContext.EQUAL, WebGLRenderingContext.LEQUAL WebGLRenderingContext.GREATER, WebGLRenderingContext.NOTEQUAL, WebGLRenderingContext.GEQUAL, and WebGLRenderingContext.ALWAYS.

Inherited from

WebGLRenderingContext

Enables/disables writing to the depth buffer.

Value Params

flag: when false, depth writing is disabled, otherwise it is enabled.

Inherited from

WebGLRenderingContext

Sets the mapping from normalized device coordinates to window coordinates. "normalized device coordinates" in this context really means "normalized depth map values".

''note'' there is no requirement that zNear < zFar.

Both parameters are clamped to -1 .. 1

Value Params

zFar: the far clipping plane, initially 1
zNear: the near clipping plane, initially 0.

Inherited from

WebGLRenderingContext

Detaches a WebGLShader from a WebGLProgram.

If the shader has been flagged as deleted by a call to WebGLRenderingContext#deleteShader, it will be deleted.

Inherited from: WebGLRenderingContext

Disables a GL capability.

Value Params

cap: the capability to disable. May be WebGLRenderingContext.BLEND, WebGLRenderingContext.CULL_FACE, WebGLRenderingContext.DEPTH_TEST, WebGLRenderingContext.DITHER, WebGLRenderingContext.POLYGON_OFFSET_FILL, WebGLRenderingContext.SAMPLE_ALPHA_TO_COVERAGE, WebGLRenderingContext.SAMPLE_COVERAGE, WebGLRenderingContext.SCISSOR_TEST, or WebGLRenderingContext.STENCIL_TEST.

Inherited from

WebGLRenderingContext

Disables the generic vertex attribute array specified by index.

Inherited from: WebGLRenderingContext

Renders the primitives in the active arrays.

Value Params

count: the number of indices to draw.
first: the starting index into the arrays.
mode: the kind of primitives to render. May be WebGLRenderingContext.POINTS, WebGLRenderingContext.LINES, WebGLRenderingContext.LINE_STRIP, WebGLRenderingContext.LINE_LOOP, WebGLRenderingContext.TRIANGLES, WebGLRenderingContext.TRIANGLE_STRIP, WebGLRenderingContext.TRIANGLE_FAN, or WebGLRenderingContext.TRIANGLES

Inherited from

WebGLRenderingContext

Renders the primitives in the active arrays using an WebGLRenderingContext.ELEMENT_ARRAY_BUFFER to index them.

Value Params

count: the number of elements to render.
mode: the kind of primitives to render. May be WebGLRenderingContext.POINTS, WebGLRenderingContext.LINES, WebGLRenderingContext.LINE_STRIP, WebGLRenderingContext.LINE_LOOP, WebGLRenderingContext.TRIANGLES, WebGLRenderingContext.TRIANGLE_STRIP, WebGLRenderingContext.TRIANGLE_FAN, or WebGLRenderingContext.TRIANGLES
offset: the offset into the WebGLRenderingContext.ELEMENT_ARRAY_BUFFER to begin drawing from.
type: the type of index value in the WebGLRenderingContext.ELEMENT_ARRAY_BUFFER. May be WebGLRenderingContext.UNSIGNED_BYTE or WebGLRenderingContext.UNSIGNED_SHORT

Inherited from

WebGLRenderingContext

Enables a GL capability.

Value Params

cap: the capability to enable. May be WebGLRenderingContext.BLEND, WebGLRenderingContext.CULL_FACE, WebGLRenderingContext.DEPTH_TEST, WebGLRenderingContext.DITHER, WebGLRenderingContext.POLYGON_OFFSET_FILL, WebGLRenderingContext.SAMPLE_ALPHA_TO_COVERAGE, WebGLRenderingContext.SAMPLE_COVERAGE, WebGLRenderingContext.SCISSOR_TEST, or WebGLRenderingContext.STENCIL_TEST.

Inherited from

WebGLRenderingContext

Enables the generic vertex attribute array specified by index.

Inherited from: WebGLRenderingContext

Block until all GL execution is complete.

Inherited from: WebGLRenderingContext

Force all pending GL execution to complete as soon as possible.

Inherited from: WebGLRenderingContext

Attach a WebGLRenderbuffer to a WebGLFramebuffer.

Value Params

attachment: the attachment point on the framebuffer to attach the renderbuffer. May be WebGLRenderingContext.COLOR_ATTACHMENT0, WebGLRenderingContext.DEPTH_ATTACHMENT, WebGLRenderingContext.STENCIL_ATTACHMENT, or WebGLRenderingContext.DEPTH_STENCIL_ATTACHMENT.
renderbuffer: the renderbuffer to attach.
renderbuffertarget: must be WebGLRenderingContext.RENDERBUFFER
target: must be WebGLRenderingContext.FRAMEBUFFER

Inherited from

WebGLRenderingContext

Attach a WebGLTexture to a WebGLFramebuffer.

Value Params

attachment: the attachment point on the framebuffer to attach the texture. May be WebGLRenderingContext.COLOR_ATTACHMENT0, WebGLRenderingContext.DEPTH_ATTACHMENT, WebGLRenderingContext.STENCIL_ATTACHMENT, or WebGLRenderingContext.DEPTH_STENCIL_ATTACHMENT.
level: the miplevel to be attached
target: must be WebGLRenderingContext.FRAMEBUFFER
textarget: the texture target. May be WebGLRenderingContext.TEXTURE_2D, WebGLRenderingContext.TEXTURE_CUBE_MAP_POSITIVE_X, WebGLRenderingContext.TEXTURE_CUBE_MAP_NEGATIVE_X, WebGLRenderingContext.TEXTURE_CUBE_MAP_POSITIVE_Y, WebGLRenderingContext.TEXTURE_CUBE_MAP_NEGATIVE_Y, WebGLRenderingContext.TEXTURE_CUBE_MAP_POSITIVE_Z, or WebGLRenderingContext.TEXTURE_CUBE_MAP_NEGATIVE_Z
texture: the texture to be attached

Inherited from

WebGLRenderingContext

Specifies the winding that is considered front-facing for the purposes of CULL_FACE.

Value Params

mode: The winding to consider front-facing. May be WebGLRenderingContext.CW or WebGLRenderingContext.CCW

Inherited from

WebGLRenderingContext

Generate the complete set of mipmaps for the active texture derived from level 0.

Value Params

target: the texture target, may be WebGLRenderingContext.TEXTURE_2D or WebGLRenderingContext.TEXTURE_CUBE_MAP.

Inherited from

WebGLRenderingContext

Returns a new WebGLActiveInfo object describing the given attribute at index.

Inherited from: WebGLRenderingContext

Returns a new WebGLActiveInfo object describing the given uniform at index.

Inherited from: WebGLRenderingContext

Returns a new array containing the shaders attached to the given program.

Inherited from: WebGLRenderingContext

Returns the index of the named attribute, or -1 on error.

Inherited from: WebGLRenderingContext

Returns the value of the requested parameter for a buffer.

Value Params

pname: the buffer parameter to retrieve, may be WebGLRenderingContext.BUFFER_SIZE or WebGLRenderingContext.BUFFER_USAGE
target: must be WebGLRenderingContext.ARRAY_BUFFER or WebGLRenderingContext.ELEMENT_ARRAY_BUFFER

Inherited from

WebGLRenderingContext

Returns null if isContextLost would return false, otherwise returns a copy of the context parameters.

Inherited from: WebGLRenderingContext

Returns the error value, and resets the error to WebGLRenderingContext.NO_ERROR.

Only the first error is recorded, new errors are not stored until the error value is reset to WebGLRenderingContext.NO_ERROR by a call to this method.

Returns: the error code. One of WebGLRenderingContext.NO_ERROR, WebGLRenderingContext.INVALID_ENUM, WebGLRenderingContext.INVALID_VALUE, WebGLRenderingContext.INVALID_OPERATION, WebGLRenderingContext.INVALID_FRAMEBUFFER_OPERATION, or WebGLRenderingContext.OUT_OF_MEMORY.
Inherited from: WebGLRenderingContext

Returns an object for the named extension, or null if no such extension exists.

Value Params

name: the name of the extension

Inherited from

WebGLRenderingContext

Returns the value for the given parameter name on for the target and attachment. The return type is dependent on the requested parameter.

Value Params

attachment: the attachment to examine. May be WebGLRenderingContext.COLOR_ATTACHMENT0, WebGLRenderingContext.DEPTH_ATTACHMENT, WebGLRenderingContext.STENCIL_ATTACHMENT, or WebGLRenderingContext.DEPTH_STENCIL_ATTACHMENT.
pname: the framebuffer attachment parameter. May be WebGLRenderingContext.FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE, WebGLRenderingContext.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME, WebGLRenderingContext.FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL, or WebGLRenderingContext.FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE
target: must be FRAMEBUFFER

Inherited from

WebGLRenderingContext

Returns the value for the given pname. Returns a value who's type depends on the requested parameter.

Value Params

pname: The parameter to query. May be WebGLRenderingContext.ACTIVE_TEXTURE, WebGLRenderingContext.ALIASED_LINE_WIDTH_RANGE, WebGLRenderingContext.ALIASED_POINT_SIZE_RANGE, WebGLRenderingContext.ALPHA_BITS, WebGLRenderingContext.ARRAY_BUFFER_BINDING, WebGLRenderingContext.BLEND, WebGLRenderingContext.BLEND_COLOR, WebGLRenderingContext.BLEND_DST_ALPHA, WebGLRenderingContext.BLEND_DST_RGB, WebGLRenderingContext.BLEND_EQUATION_ALPHA, WebGLRenderingContext.BLEND_EQUATION_RGB, WebGLRenderingContext.BLEND_SRC_ALPHA, WebGLRenderingContext.BLEND_SRC_RGB, WebGLRenderingContext.BLUE_BITS, WebGLRenderingContext.COLOR_CLEAR_VALUE, WebGLRenderingContext.COLOR_WRITEMASK, WebGLRenderingContext.COMPRESSED_TEXTURE_FORMATS, WebGLRenderingContext.CULL_FACE, WebGLRenderingContext.CULL_FACE_MODE, WebGLRenderingContext.CURRENT_PROGRAM, WebGLRenderingContext.DEPTH_BITS, WebGLRenderingContext.DEPTH_CLEAR_VALUE, WebGLRenderingContext.DEPTH_FUNC, DEPTH-RANGE, WebGLRenderingContext.DEPTH_TEST, WebGLRenderingContext.DEPTH_WRITEMASK, WebGLRenderingContext.DITHER, WebGLRenderingContext.ELEMENT_ARRAY_BUFFER_BINDING, WebGLRenderingContext.FRAMEBUFFER_BINDING, WebGLRenderingContext.FRONT_FACE, WebGLRenderingContext.GENERATE_MIPMAP_HINT, WebGLRenderingContext.GREEN_BITS, WebGLRenderingContext.LINE_WIDTH, WebGLRenderingContext.MAX_COMBINED_TEXTURE_IMAGE_UNITS, WebGLRenderingContext.MAX_CUBE_MAP_TEXTURE_SIZE, WebGLRenderingContext.MAX_FRAGMENT_UNIFORM_VECTORS, WebGLRenderingContext.MAX_RENDERBUFFER_SIZE, WebGLRenderingContext.MAX_TEXTURE_IMAGE_UNITS, WebGLRenderingContext.MAX_TEXTURE_SIZE, WebGLRenderingContext.MAX_VARYING_VECTORS, WebGLRenderingContext.MAX_VERTEX_ATTRIBS, WebGLRenderingContext.MAX_VERTEX_TEXTURE_IMAGE_UNITS, WebGLRenderingContext.MAX_VERTEX_UNIFORM_VECTORS, WebGLRenderingContext.MAX_VIEWPORT_DIMS, WebGLRenderingContext.PACK_ALIGNMENT, WebGLRenderingContext.POLYGON_OFFSET_FACTOR, WebGLRenderingContext.POLYGON_OFFSET_FILL, WebGLRenderingContext.POLYGON_OFFSET_UNITS, WebGLRenderingContext.RED_BITS, WebGLRenderingContext.RENDERBUFFER_BINDING, WebGLRenderingContext.RENDERER, WebGLRenderingContext.SAMPLE_BUFFERS, WebGLRenderingContext.SAMPLE_COVERAGE_INVERT, WebGLRenderingContext.SAMPLE_COVERAGE_VALUE, WebGLRenderingContext.SAMPLES, WebGLRenderingContext.SCISSOR_BOX, WebGLRenderingContext.SCISSOR_TEST, WebGLRenderingContext.SHADING_LANGUAGE_VERSION, WebGLRenderingContext.STENCIL_BACK_FAIL, WebGLRenderingContext.STENCIL_BACK_FUNC, WebGLRenderingContext.STENCIL_BACK_PASS_DEPTH_FAIL, WebGLRenderingContext.STENCIL_BACK_PASS_DEPTH_PASS, WebGLRenderingContext.STENCIL_BACK_REF, WebGLRenderingContext.STENCIL_BACK_VALUE_MASK, WebGLRenderingContext.STENCIL_BACK_WRITEMASK, WebGLRenderingContext.STENCIL_BITS, WebGLRenderingContext.STENCIL_CLEAR_VALUE, WebGLRenderingContext.STENCIL_FAIL, WebGLRenderingContext.STENCIL_FUNC, WebGLRenderingContext.STENCIL_PASS_DEPTH_FAIL, WebGLRenderingContext.STENCIL_PASS_DEPTH_PASS, WebGLRenderingContext.STENCIL_REF, WebGLRenderingContext.STENCIL_TEST, WebGLRenderingContext.STENCIL_VALUE_MASK, WebGLRenderingContext.STENCIL_WRITEMASK, WebGLRenderingContext.SUBPIXEL_BITS, WebGLRenderingContext.TEXTURE_BINDING_2D, WebGLRenderingContext.TEXTURE_BINDING_CUBE_MAP, WebGLRenderingContext.UNPACK_ALIGNMENT, WebGLRenderingContext.UNPACK_COLORSPACE_CONVERSION_WEBGL, WebGLRenderingContext.UNPACK_FLIP_Y_WEBGL, WebGLRenderingContext.UNPACK_PREMULTIPLY_ALPHA_WEBGL, WebGLRenderingContext.VENDOR, WebGLRenderingContext.VERSION or WebGLRenderingContext.VIEWPORT.

Inherited from

WebGLRenderingContext

Returns a string containing information about the last link or validation operation for a program.

Inherited from: WebGLRenderingContext

Returns the value for the given parameter name for the program. The return type is dependent on the requested parameter.

Value Params

pname: the parameter to get, may be one of WebGLRenderingContext.DELETE_STATUS, WebGLRenderingContext.LINK_STATUS, WebGLRenderingContext.VALIDATE_STATUS, WebGLRenderingContext.ATTACHED_SHADERS, WebGLRenderingContext.ACTIVE_ATTRIBUTES, or WebGLRenderingContext.ACTIVE_UNIFORMS.
program: the program to query.

Inherited from

WebGLRenderingContext

Returns the value of a parameter on the active renderbuffer. The return type is dependent on the requested parameter.

Value Params

pname: the parameter to query, may be WebGLRenderingContext.RENDERBUFFER_WIDTH, WebGLRenderingContext.RENDERBUFFER_HEIGHT, WebGLRenderingContext.RENDERBUFFER_INTERNAL_FORMAT, WebGLRenderingContext.RENDERBUFFER_RED_SIZE, WebGLRenderingContext.RENDERBUFFER_GREEN_SIZE, WebGLRenderingContext.RENDERBUFFER_BLUE_SIZE, WebGLRenderingContext.RENDERBUFFER_ALPHA_SIZE, WebGLRenderingContext.RENDERBUFFER_STENCIL_SIZE, or WebGLRenderingContext.RENDERBUFFER_DEPTH_SIZE
target: must be WebGLRenderingContext.RENDERBUFFER

Inherited from

WebGLRenderingContext

Returns the information log from the last compile of the shader.

Inherited from: WebGLRenderingContext

Returns the value of a parameter on the specified WebGLShader. The return type is dependent on the requested parameter.

Value Params

pname: the parameter to get, may be one of WebGLRenderingContext.SHADER_TYPE, WebGLRenderingContext.DELETE_STATUS or WebGLRenderingContext.COMPILE_STATUS
shader: the shader to query

Inherited from

WebGLRenderingContext

Returns a new WebGLShaderPrecisionFormat for the given shader type and precision type.

Value Params

precisiontype: the precision type to query, may be WebGLRenderingContext.LOW_FLOAT, WebGLRenderingContext.MEDIUM_FLOAT, WebGLRenderingContext.HIGH_FLOAT, WebGLRenderingContext.LOW_INT, WebGLRenderingContext.MEDIUM_INT, or WebGLRenderingContext.HIGH_INT.
shadertype: the type of shader, may be WebGLRenderingContext.FRAGMENT_SHADER or WebGLRenderingContext.VERTEX_SHADER.

Inherited from

WebGLRenderingContext

Returns the source of the given shader.

Inherited from: WebGLRenderingContext

Returns an array of strings naming supported WebGL extensions.

Inherited from: WebGLRenderingContext

Returns the value of the given texture parameter on the target of the active texture.

Value Params

pname: the parameter to query. May be either WebGLRenderingContext.TEXTURE_MAG_FILTER, WebGLRenderingContext.TEXTURE_MIN_FILTER, WebGLRenderingContext.TEXTURE_WRAP_S, or WebGLRenderingContext.TEXTURE_WRAP_T.
target: the target to query. May be either WebGLRenderingContext.TEXTURE_2D or TEXTURE_CUBE_MAP.

Inherited from

WebGLRenderingContext

Returns the value of the uniform in the given program and location. The return type is dependent on the uniform type.

Inherited from: WebGLRenderingContext

Returns a new WebGLUniformLocation that represents the location of the given uniform in the specified program. If the uniform does not exist, or another error occurs, returns null.

Inherited from: WebGLRenderingContext

Returns the value of the named parameter for a given vertex attribute index.

Value Params

index: the index of the vertex attribute to query.
pname: the requested parameter, may be WebGLRenderingContext.VERTEX_ATTRIB_ARRAY_BUFFER_BINDING, WebGLRenderingContext.VERTEX_ATTRIB_ARRAY_ENABLED, WebGLRenderingContext.VERTEX_ATTRIB_ARRAY_SIZE, WebGLRenderingContext.VERTEX_ATTRIB_ARRAY_STRIDE, WebGLRenderingContext.VERTEX_ATTRIB_ARRAY_TYPE, WebGLRenderingContext.VERTEX_ATTRIB_ARRAY_NORMALIZED, WebGLRenderingContext.CURRENT_VERTEX_ATTRIB

Inherited from

WebGLRenderingContext

Returns the offset of the vertex attribute.

Value Params

index: the index of the vertex attribute to retrieve
pname: must be WebGLRenderingContext.VERTEX_ATTRIB_ARRAY_POINTER

Inherited from

WebGLRenderingContext

Inherited from: Object

Specifies implementation specific hints.

Value Params

mode: the desired mode. Must be one of WebGLRenderingContext.FASTEST, WebGLRenderingContext.NICEST, or WebGLRenderingContext.DONT_CARE.
target: the hint to specify. Must be WebGLRenderingContext.GENERATE_MIPMAP_HINT

Inherited from

WebGLRenderingContext

Returns true if the buffer is valid, false otherwise.

Inherited from: WebGLRenderingContext

Returns true if the context has been lost, false otherwise.

Inherited from: WebGLRenderingContext

Returns true if the specified capability is enabled, false otherwise.

See also: WebGLRenderingContext#enable
Inherited from: WebGLRenderingContext

Returns true if the framebuffer is valid, false otherwise.

Inherited from: WebGLRenderingContext

Returns true if the program is valid, false otherwise.

Inherited from: WebGLRenderingContext

Inherited from: Object

Returns true if the renderbuffer is valid, false otherwise.

Inherited from: WebGLRenderingContext

Returns true if the shader is valid, false otherwise.

Inherited from: WebGLRenderingContext

Returns true if the texture is valid, false otherwise.

Inherited from: WebGLRenderingContext

Specifies the line width.

Inherited from: WebGLRenderingContext

Attempts to link the specified WebGLProgram.

Inherited from: WebGLRenderingContext

Sets the pixel store mode, used when copying image data such as framebuffers or textures.

Value Params

pname: the property to change. May be one of WebGLRenderingContext.PACK_ALIGNMENT, WebGLRenderingContext.UNPACK_ALIGNMENT, WebGLRenderingContext.UNPACK_FLIP_Y_WEBGL, WebGLRenderingContext.UNPACK_PREMULTIPLY_ALPHA_WEBGL or WebGLRenderingContext.UNPACK_COLORSPACE_CONVERSION_WEBGL.

Inherited from

WebGLRenderingContext

Specifies the polygon offset. When WebGLRenderingContext.POLYGON_OFFSET_FILL is enabled, depth values for a fragment have an offset applied to them, calculated as factorDZ + runits, where DZ is the change in z based on the polygon's screen area, and r is the minimum value that is guaranteed produce a measurable offset.

Inherited from: WebGLRenderingContext

Inherited from: Object

Reads pixels from the framebuffer into pixels.

Value Params

format: the format of the desired output. Must be one of WebGLRenderingContext.UNSIGNED_BYTE, WebGLRenderingContext.UNSIGNED_SHORT_4_4_4_4, WebGLRenderingContext.UNSIGNED_SHORT_5_5_5_1, WebGLRenderingContext.UNSIGNED_SHORT_5_6_5
height: the height of the area to read.
width: the width of the area to read.
x: the x coordinate of the bottom left of the area to read.
y: the y coordinate of the bottom left of the area to read.

Inherited from

WebGLRenderingContext

Create renderbuffer image storage.

Initializes the renderbuffer to use the new storage format, replacing any previous store.

Value Params

internalformat: specifies the format of the renderbuffer. May be one of WebGLRenderingContext.RGBA4, WebGLRenderingContext.RGB565, WebGLRenderingContext.RGB5_A1, WebGLRenderingContext.DEPTH_COMPONENT16, WebGLRenderingContext.STENCIL_INDEX8 or WebGLRenderingContext.DEPTH_STENCIL.
target: must be WebGLRenderingContext.RENDERBUFFER

Inherited from

WebGLRenderingContext

Sets the sampling coverage parameters for primitive antialiasing.

The OpenGL multisampling algorithm is too involved to concisely explain here. Please consult http://www.opengl.org/registry/specs/SGIS/multisample.txt.

Value Params

invert: if true, the mask will be bitwise-inverted.
value: the sample coverage value, clamped to 0..1.

Inherited from

WebGLRenderingContext

Sets the scissor rectangle. When WebGLRenderingContext.SCISSOR_TEST is enabled, rendering will be restricted to this rectangle.

Inherited from: WebGLRenderingContext

Sets the GLSL source for the given shader.

Inherited from: WebGLRenderingContext

Sets the stencil test for front and back faces.

Value Params

func: the test function. One of WebGLRenderingContext.NEVER, WebGLRenderingContext.LESS, WebGLRenderingContext.LEQUAL, WebGLRenderingContext.GREATER, WebGLRenderingContext.GEQUAL, WebGLRenderingContext.EQUAL, WebGLRenderingContext.NOTEQUAL, and WebGLRenderingContext.ALWAYS
mask: mask that is ANDed with ref and the tested value and stored in the stencil buffer.
ref: the reference value to test against in the stencil buffer

Inherited from

WebGLRenderingContext

Sets the stencil test for the given face type.

Value Params

face: the face(s) to configure the test for. May be WebGLRenderingContext.FRONT, WebGLRenderingContext.BACK or WebGLRenderingContext.FRONT_AND_BACK.
func: the test function. One of WebGLRenderingContext.NEVER, WebGLRenderingContext.LESS, WebGLRenderingContext.LEQUAL, WebGLRenderingContext.GREATER, WebGLRenderingContext.GEQUAL, WebGLRenderingContext.EQUAL, WebGLRenderingContext.NOTEQUAL, and WebGLRenderingContext.ALWAYS
mask: mask that is ANDed with ref and the tested value and stored in the stencil buffer.
ref: the reference value to test against in the stencil buffer

Inherited from

WebGLRenderingContext

Configure which bits in the stencil buffer may be written to by front or back faces.

Value Params

mask: the write mask. Set bits are allowed to be written to the corresponding stencil buffer bit.

Inherited from

WebGLRenderingContext

Configure which bits in the stencil buffer may be written to by the given face type.

Value Params

face: the face(s) to configure the mask for. May be WebGLRenderingContext.FRONT, WebGLRenderingContext.BACK or WebGLRenderingContext.FRONT_AND_BACK.
mask: the write mask. Set bits are allowed to be written to the corresponding stencil buffer bit.

Inherited from

WebGLRenderingContext

Configure the effect of a stencil or depth test failing for front or back faces.

Value Params

fail: the effect of the stencil test failing. May be one of WebGLRenderingContext.KEEP, WebGLRenderingContext.ZERO, WebGLRenderingContext.REPLACE, WebGLRenderingContext.INCR, WebGLRenderingContext.INCR_WRAP, WebGLRenderingContext.DECR, WebGLRenderingContext.DECR_WRAP, and WebGLRenderingContext.INVERT
zfail: the effect of the stencil test passing but the depth test failing. Parameters are as fail.
zpass: the effect of the stencil test failing but the depth test passing. Parameters are as fail.

Inherited from

WebGLRenderingContext

Configure the effect of a stencil or depth test failing for the specified faces.

Value Params

face: the face(s) to configure the stencil operation for. May be WebGLRenderingContext.FRONT, WebGLRenderingContext.BACK or WebGLRenderingContext.FRONT_AND_BACK.
fail: the effect of the stencil test failing. May be one of WebGLRenderingContext.KEEP, WebGLRenderingContext.ZERO, WebGLRenderingContext.REPLACE, WebGLRenderingContext.INCR, WebGLRenderingContext.INCR_WRAP, WebGLRenderingContext.DECR, WebGLRenderingContext.DECR_WRAP, and WebGLRenderingContext.INVERT
zfail: the effect of the stencil test passing but the depth test failing. Parameters are as fail.
zpass: the effect of the stencil test failing but the depth test passing. Parameters are as fail.

Inherited from

WebGLRenderingContext

Loads a 2-dimensional texture into a texture unit from an HTMLVideoElement object.

Value Params

format: the format of the incoming pixel data.
internalformat: the format of the target pixel data.
level: the mipmap level of detail. 0 is the base image.
pixels: the source image data.
target: the target on the active texture unit. May be WebGLRenderingContext.TEXTURE_2D, WebGLRenderingContext.TEXTURE_CUBE_MAP_POSITIVE_X, WebGLRenderingContext.TEXTURE_CUBE_MAP_NEGATIVE_X, WebGLRenderingContext.TEXTURE_CUBE_MAP_POSITIVE_Y, WebGLRenderingContext.TEXTURE_CUBE_MAP_NEGATIVE_Y, WebGLRenderingContext.TEXTURE_CUBE_MAP_POSITIVE_Z, or WebGLRenderingContext.TEXTURE_CUBE_MAP_NEGATIVE_Z
type: the data type of the pixel data.

Inherited from

WebGLRenderingContext

Loads a 2-dimensional texture into a texture unit from an HTMLCanvasElement object.

Value Params

format: the format of the incoming pixel data.
internalformat: the format of the target pixel data.
level: the mipmap level of detail. 0 is the base image.
pixels: the source image data.
target: the target on the active texture unit. May be WebGLRenderingContext.TEXTURE_2D, WebGLRenderingContext.TEXTURE_CUBE_MAP_POSITIVE_X, WebGLRenderingContext.TEXTURE_CUBE_MAP_NEGATIVE_X, WebGLRenderingContext.TEXTURE_CUBE_MAP_POSITIVE_Y, WebGLRenderingContext.TEXTURE_CUBE_MAP_NEGATIVE_Y, WebGLRenderingContext.TEXTURE_CUBE_MAP_POSITIVE_Z, or WebGLRenderingContext.TEXTURE_CUBE_MAP_NEGATIVE_Z
type: the data type of the pixel data.

Inherited from

WebGLRenderingContext

Loads a 2-dimensional texture into a texture unit from an HTMLImageElement object.

Value Params

format: the format of the incoming pixel data.
internalformat: the format of the target pixel data.
level: the mipmap level of detail. 0 is the base image.
pixels: the source image data.
target: the target on the active texture unit. May be WebGLRenderingContext.TEXTURE_2D, WebGLRenderingContext.TEXTURE_CUBE_MAP_POSITIVE_X, WebGLRenderingContext.TEXTURE_CUBE_MAP_NEGATIVE_X, WebGLRenderingContext.TEXTURE_CUBE_MAP_POSITIVE_Y, WebGLRenderingContext.TEXTURE_CUBE_MAP_NEGATIVE_Y, WebGLRenderingContext.TEXTURE_CUBE_MAP_POSITIVE_Z, or WebGLRenderingContext.TEXTURE_CUBE_MAP_NEGATIVE_Z
type: the data type of the pixel data.

Inherited from

WebGLRenderingContext

Loads a 2-dimensional texture into a texture unit from an ImageData object.

Value Params

format: the format of the incoming pixel data.
internalformat: the format of the target pixel data.
level: the mipmap level of detail. 0 is the base image.
pixels: the source image data.
target: the target on the active texture unit. May be WebGLRenderingContext.TEXTURE_2D, WebGLRenderingContext.TEXTURE_CUBE_MAP_POSITIVE_X, WebGLRenderingContext.TEXTURE_CUBE_MAP_NEGATIVE_X, WebGLRenderingContext.TEXTURE_CUBE_MAP_POSITIVE_Y, WebGLRenderingContext.TEXTURE_CUBE_MAP_NEGATIVE_Y, WebGLRenderingContext.TEXTURE_CUBE_MAP_POSITIVE_Z, or WebGLRenderingContext.TEXTURE_CUBE_MAP_NEGATIVE_Z
type: the data type of the pixel data.

Inherited from

WebGLRenderingContext

Loads a 2-dimensional texture into a texture unit from source data.

Value Params

border: the border width. Must be 0.
height: the height of the texture image.
internalformat: the format of the target pixel data.
level: the mipmap level of detail. 0 is the base image.
pixels: the source image data.
target: the target on the active texture unit. May be WebGLRenderingContext.TEXTURE_2D, WebGLRenderingContext.TEXTURE_CUBE_MAP_POSITIVE_X, WebGLRenderingContext.TEXTURE_CUBE_MAP_NEGATIVE_X, WebGLRenderingContext.TEXTURE_CUBE_MAP_POSITIVE_Y, WebGLRenderingContext.TEXTURE_CUBE_MAP_NEGATIVE_Y, WebGLRenderingContext.TEXTURE_CUBE_MAP_POSITIVE_Z, or WebGLRenderingContext.TEXTURE_CUBE_MAP_NEGATIVE_Z
width: the width of the texture image.

Inherited from

WebGLRenderingContext

Sets the texture parameter for the active texture unit.

Value Params

param: the value to set. See the corresponding parameters for valid values.
pname: the parameter to change. May be WebGLRenderingContext.TEXTURE_MIN_FILTER, WebGLRenderingContext.TEXTURE_MAG_FILTER WebGLRenderingContext.TEXTURE_WRAP_S, or WebGLRenderingContext.TEXTURE_WRAP_T
target: the texture target to configure. May be WebGLRenderingContext.TEXTURE_2D or WebGLRenderingContext.TEXTURE_CUBE_MAP

Inherited from

WebGLRenderingContext

Sets the texture parameter for the active texture unit.

Value Params

param: the value to set. See the corresponding parameters for valid values.
pname: the parameter to change. May be WebGLRenderingContext.TEXTURE_MIN_FILTER, WebGLRenderingContext.TEXTURE_MAG_FILTER WebGLRenderingContext.TEXTURE_WRAP_S, or WebGLRenderingContext.TEXTURE_WRAP_T
target: the texture target to configure. May be WebGLRenderingContext.TEXTURE_2D or WebGLRenderingContext.TEXTURE_CUBE_MAP

Inherited from

WebGLRenderingContext

Loads a 2-dimensional texture subimage into a texture unit from an HTMLVideoElement.

Value Params

format: the format of the incoming pixel data.
level: the mipmap level of detail. 0 is the base image.
pixels: the image data.
target: the target on the active texture unit. May be WebGLRenderingContext.TEXTURE_2D, WebGLRenderingContext.TEXTURE_CUBE_MAP_POSITIVE_X, WebGLRenderingContext.TEXTURE_CUBE_MAP_NEGATIVE_X, WebGLRenderingContext.TEXTURE_CUBE_MAP_POSITIVE_Y, WebGLRenderingContext.TEXTURE_CUBE_MAP_NEGATIVE_Y, WebGLRenderingContext.TEXTURE_CUBE_MAP_POSITIVE_Z, or WebGLRenderingContext.TEXTURE_CUBE_MAP_NEGATIVE_Z
type: the data type of the pixel data.
xoffset: the x texel offset into the texture image.
yoffset: the y texel offset into the texture image.

Inherited from

WebGLRenderingContext

Loads a 2-dimensional texture subimage into a texture unit from an HTMLCanvasElement.

Value Params

format: the format of the incoming pixel data.
level: the mipmap level of detail. 0 is the base image.
pixels: the image data..
target: the target on the active texture unit. May be WebGLRenderingContext.TEXTURE_2D, WebGLRenderingContext.TEXTURE_CUBE_MAP_POSITIVE_X, WebGLRenderingContext.TEXTURE_CUBE_MAP_NEGATIVE_X, WebGLRenderingContext.TEXTURE_CUBE_MAP_POSITIVE_Y, WebGLRenderingContext.TEXTURE_CUBE_MAP_NEGATIVE_Y, WebGLRenderingContext.TEXTURE_CUBE_MAP_POSITIVE_Z, or WebGLRenderingContext.TEXTURE_CUBE_MAP_NEGATIVE_Z
type: the data type of the pixel data.
xoffset: the x texel offset into the texture image.
yoffset: the y texel offset into the texture image.

Inherited from

WebGLRenderingContext

Loads a 2-dimensional texture subimage into a texture unit from an HTMLImageElement.

Value Params

format: the format of the incoming pixel data.
level: the mipmap level of detail. 0 is the base image.
pixels: the image data.
target: the target on the active texture unit. May be WebGLRenderingContext.TEXTURE_2D, WebGLRenderingContext.TEXTURE_CUBE_MAP_POSITIVE_X, WebGLRenderingContext.TEXTURE_CUBE_MAP_NEGATIVE_X, WebGLRenderingContext.TEXTURE_CUBE_MAP_POSITIVE_Y, WebGLRenderingContext.TEXTURE_CUBE_MAP_NEGATIVE_Y, WebGLRenderingContext.TEXTURE_CUBE_MAP_POSITIVE_Z, or WebGLRenderingContext.TEXTURE_CUBE_MAP_NEGATIVE_Z
type: the data type of the pixel data.
xoffset: the x texel offset into the texture image.
yoffset: the y texel offset into the texture image.

Inherited from

WebGLRenderingContext

Loads a 2-dimensional texture subimage into a texture unit from an ImageData object.

Value Params

format: the format of the incoming pixel data.
level: the mipmap level of detail. 0 is the base image.
pixels: the image data.
target: the target on the active texture unit. May be WebGLRenderingContext.TEXTURE_2D, WebGLRenderingContext.TEXTURE_CUBE_MAP_POSITIVE_X, WebGLRenderingContext.TEXTURE_CUBE_MAP_NEGATIVE_X, WebGLRenderingContext.TEXTURE_CUBE_MAP_POSITIVE_Y, WebGLRenderingContext.TEXTURE_CUBE_MAP_NEGATIVE_Y, WebGLRenderingContext.TEXTURE_CUBE_MAP_POSITIVE_Z, or WebGLRenderingContext.TEXTURE_CUBE_MAP_NEGATIVE_Z
type: the data type of the pixel data.
xoffset: the x texel offset into the texture image.
yoffset: the y texel offset into the texture image.

Inherited from

WebGLRenderingContext

Loads a 2-dimensional texture subimage into a texture unit from an ArrayBufferView.

Value Params

format: the format of the incoming pixel data.
height: the height of the texture image.
level: the mipmap level of detail. 0 is the base image.
pixels: the image data.
target: the target on the active texture unit. May be WebGLRenderingContext.TEXTURE_2D, WebGLRenderingContext.TEXTURE_CUBE_MAP_POSITIVE_X, WebGLRenderingContext.TEXTURE_CUBE_MAP_NEGATIVE_X, WebGLRenderingContext.TEXTURE_CUBE_MAP_POSITIVE_Y, WebGLRenderingContext.TEXTURE_CUBE_MAP_NEGATIVE_Y, WebGLRenderingContext.TEXTURE_CUBE_MAP_POSITIVE_Z, or WebGLRenderingContext.TEXTURE_CUBE_MAP_NEGATIVE_Z
type: the data type of the pixel data.
width: the width of the texture image.
xoffset: the x texel offset into the texture image.
yoffset: the y texel offset into the texture image.

Inherited from

WebGLRenderingContext

Inherited from: Object

Loads a a scalar float into a WebGLUniformLocation.

Value Params

location: the location to bind.
x: the scalar to bind to.

Inherited from

WebGLRenderingContext

Loads a a scalar float into a WebGLUniformLocation.

Value Params

location: the location to bind.
v: a js.Array to bind to.

Inherited from

WebGLRenderingContext

Loads a a scalar float into a WebGLUniformLocation.

Value Params

location: the location to bind.
v: a Float32Array to bind to

Inherited from

WebGLRenderingContext

Loads a a scalar integer into a WebGLUniformLocation.

Value Params

location: the location to bind.
x: the scalar to bind to.

Inherited from

WebGLRenderingContext

Loads a a scalar integer into a WebGLUniformLocation.

Value Params

location: the location to bind.
v: a js.Array to bind to

Inherited from

WebGLRenderingContext

Loads a a scalar integer into a WebGLUniformLocation.

Value Params

location: the location to bind.
v: an Int32Array to bind to

Inherited from

WebGLRenderingContext

Loads a a 2-vector of floats into a WebGLUniformLocation.

Value Params

location: the location to bind.
x: the first float component
y: the second float component

Inherited from

WebGLRenderingContext

Loads a a 2-vector of floats

Value Params

location: the location to bind into a WebGLUniformLocation.
v: a js.Array to bind to.

Inherited from

WebGLRenderingContext

Loads a a 2-vector of floats into a WebGLUniformLocation.

Value Params

location: the location to bind.
v: a Float32Array to bind to

Inherited from

WebGLRenderingContext

Loads a a 2-vector of integers into a WebGLUniformLocation.

Value Params

location: the location to bind.
x: the first integer component
y: the second integer component

Inherited from

WebGLRenderingContext

Loads a a 2-vector of integers into a WebGLUniformLocation.

Value Params

location: the location to bind.
v: a js.Array to bind to

Inherited from

WebGLRenderingContext

Loads a a 2-vector of integers into a WebGLUniformLocation.

Value Params

location: the location to bind.
v: an Int32Array to bind to

Inherited from

WebGLRenderingContext

Loads a a 3-vector of floats into a WebGLUniformLocation.

Value Params

location: the location to bind.
x: the first float component.
y: the second float component.
z: the third float component.

Inherited from

WebGLRenderingContext

Loads a a 3-vector of floats into a WebGLUniformLocation.

Value Params

location: the location to bind.
v: a js.Array to bind to.

Inherited from

WebGLRenderingContext

Loads a a 3-vector of floats into a WebGLUniformLocation.

Value Params

location: the location to bind.
v: a Float32Array to bind to

Inherited from

WebGLRenderingContext

Loads a a 3-vector of integers into a WebGLUniformLocation.

Value Params

location: the location to bind.
x: the first integer component
y: the second integer component
z: the third integer component

Inherited from

WebGLRenderingContext

Loads a a 3-vector of integers into a WebGLUniformLocation.

Value Params

location: the location to bind.
v: a js.Array to bind to

Inherited from

WebGLRenderingContext

Loads a a 3-vector of integers into a WebGLUniformLocation.

Value Params

location: the location to bind.
v: an Int32Array to bind to

Inherited from

WebGLRenderingContext

Loads a a 4-vector of floats into a WebGLUniformLocation.

Value Params

location: the location to bind.
w: the fourth float component.
x: the first float component.
y: the second float component.
z: the third float component.

Inherited from

WebGLRenderingContext

Loads a a 4-vector of floats into a WebGLUniformLocation.

Value Params

location: the location to bind.
v: a js.Array to bind to.

Inherited from

WebGLRenderingContext

Loads a a 4-vector of floats into a WebGLUniformLocation.

Value Params

location: the location to bind.
v: a Float32Array to bind to

Inherited from

WebGLRenderingContext

Loads a a 4-vector of integers into a WebGLUniformLocation.

Value Params

location: the location to bind.
w: the third integer component
x: the first integer component
y: the second integer component
z: the third integer component

Inherited from

WebGLRenderingContext

Loads a a 4-vector of integers into a WebGLUniformLocation.

Value Params

location: the location to bind.
v: a js.Array to bind to

Inherited from

WebGLRenderingContext

Loads a a 4-vector of integers into a WebGLUniformLocation.

Value Params

location: the location to bind.
v: an Int32Array to bind to

Inherited from

WebGLRenderingContext

Loads a a 4x2 matrix into a WebGLUniformLocation.

Value Params

location: the location to bind.
transpose: if true, the matrix will loaded into the uniform transposed.
value: the source js.Array containing the matrix data.

Inherited from

WebGLRenderingContext

Loads a a 4x2 matrix into a WebGLUniformLocation.

Value Params

location: the location to bind.
transpose: if true, the matrix will loaded into the uniform transposed.
value: the source Float32Array containing the matrix data.

Inherited from

WebGLRenderingContext

Loads a a 4x3 matrix into a WebGLUniformLocation.

Value Params

location: the location to bind.
transpose: if true, the matrix will loaded into the uniform transposed.
value: the source js.Array containing the matrix data.

Inherited from

WebGLRenderingContext

Loads a a 4x3 matrix into a WebGLUniformLocation.

Value Params

location: the location to bind.
transpose: if true, the matrix will loaded into the uniform transposed.
value: the source Float32Array containing the matrix data.

Inherited from

WebGLRenderingContext

Loads a a 4x4 matrix into a WebGLUniformLocation.

Value Params

location: the location to bind.
transpose: if true, the matrix will loaded into the uniform transposed.
value: the source js.Array containing the matrix data.

Inherited from

WebGLRenderingContext

Loads a a 4x4 matrix into a WebGLUniformLocation.

Value Params

location: the location to bind.
transpose: if true, the matrix will loaded into the uniform transposed.
value: the source Float32Array containing the matrix data.

Inherited from

WebGLRenderingContext

Makes a WebGLProgram become the active program.

Inherited from: WebGLRenderingContext

Validates a WebGLProgram.

Inherited from: WebGLRenderingContext

Inherited from: Object

Loads a scalar into a vertex attribute.

Value Params

indx: the index of the attribute.
x: the scalar to load.

Inherited from

WebGLRenderingContext

Loads a scalar into a vertex attribute.

Value Params

indx: the index of the attribute.
values: the source array for the attribute.

Inherited from

WebGLRenderingContext

Loads a scalar into a vertex attribute.

Value Params

indx: the index of the attribute.
values: the source array for the attribute.

Inherited from

WebGLRenderingContext

Loads a 2-vector into a vertex attribute.

Value Params

indx: the index of the attribute.
x: the first component.
y: the second component.

Inherited from

WebGLRenderingContext

Loads a 2-vector into a vertex attribute.

Value Params

indx: the index of the attribute.
values: the source array for the attribute.

Inherited from

WebGLRenderingContext

Loads a 2-vector into a vertex attribute.

Value Params

indx: the index of the attribute.
values: the source array for the attribute.

Inherited from

WebGLRenderingContext

Loads a 3-vector into a vertex attribute.

Value Params

indx: the index of the attribute.
x: the first component.
y: the second component.
z: the third component.

Inherited from

WebGLRenderingContext

Loads a 3-vector into a vertex attribute.

Value Params

indx: the index of the attribute.
values: the source array for the attribute.

Inherited from

WebGLRenderingContext

Loads a 3-vector into a vertex attribute.

Value Params

indx: the index of the attribute.
values: the source array for the attribute.

Inherited from

WebGLRenderingContext

Loads a 4-vector into a vertex attribute.

Value Params

indx: the index of the attribute.
w: the fourth component.
x: the first component.
y: the second component.
z: the third component.

Inherited from

WebGLRenderingContext

Loads a 4-vector into a vertex attribute.

Value Params

indx: the index of the attribute.
values: the source array for the attribute.

Inherited from

WebGLRenderingContext

Loads a 4-vector into a vertex attribute.

Value Params

indx: the index of the attribute.
values: the source array for the attribute.

Inherited from

WebGLRenderingContext

Defines an array of generic vertex attribute data.

Value Params

indx: the index of the attribute
normalized: if true, values are normalized on access, otherwise they are converted to fixed point values on access.
offset: the offset to the first component in the array.
size: the number of components per attribute. Must be 1..4
stride: the gap between attributes. 0 would be packed together.
type: the datatype for each component, may be WebGLRenderingContext.BYTE, WebGLRenderingContext.UNSIGNED_BYTE, WebGLRenderingContext.SHORT, WebGLRenderingContext.UNSIGNED_SHORT, or WebGLRenderingContext.FLOAT.

Inherited from

WebGLRenderingContext

Sets the OpenGL viewport to render within.

Inherited from: WebGLRenderingContext

WebGL2RenderingContext

Value members

Concrete methods

Inherited methods

Concrete fields

Inherited fields