WebGLRenderingContext | /mod.ts | gluten@0.1.2

class WebGLRenderingContext

import { WebGLRenderingContext } from "https://deno.land/x/gluten@0.1.2/mod.ts";

Provides an interface to the OpenGL ES 2.0 graphics rendering context for the drawing surface of a dwm window.

Constructors

new

WebGLRenderingContext(window: DwmWindow, attributes?: WebGLContextAttributes)

Properties

ACTIVE_ATTRIBUTES: number

ACTIVE_TEXTURE: number

ACTIVE_UNIFORMS: number

ALIASED_LINE_WIDTH_RANGE: number

ALIASED_POINT_SIZE_RANGE: number

ALPHA: number

ALPHA_BITS: number

ALWAYS: number

ARRAY_BUFFER: number

ARRAY_BUFFER_BINDING: number

ATTACHED_SHADERS: number

BACK: number

BLEND: number

BLEND_COLOR: number

BLEND_DST_ALPHA: number

BLEND_DST_RGB: number

BLEND_EQUATION: number

BLEND_EQUATION_ALPHA: number

BLEND_EQUATION_RGB: number

BLEND_SRC_ALPHA: number

BLEND_SRC_RGB: number

BLUE_BITS: number

BOOL: number

BOOL_VEC2: number

BOOL_VEC3: number

BOOL_VEC4: number

BROWSER_DEFAULT_WEBGL: number

BUFFER_SIZE: number

BUFFER_USAGE: number

BYTE: number

CCW: number

CLAMP_TO_EDGE: number

COLOR_ATTACHMENT0: number

COLOR_BUFFER_BIT: number

COLOR_CLEAR_VALUE: number

COLOR_WRITEMASK: number

COMPILE_STATUS: number

COMPRESSED_TEXTURE_FORMATS: number

CONSTANT_ALPHA: number

CONSTANT_COLOR: number

CONTEXT_LOST_WEBGL: number

CULL_FACE: number

CULL_FACE_MODE: number

CURRENT_PROGRAM: number

CURRENT_VERTEX_ATTRIB: number

CW: number

DECR: number

DECR_WRAP: number

DELETE_STATUS: number

DEPTH_ATTACHMENT: number

DEPTH_BITS: number

DEPTH_BUFFER_BIT: number

DEPTH_CLEAR_VALUE: number

DEPTH_COMPONENT: number

DEPTH_COMPONENT16: number

DEPTH_FUNC: number

DEPTH_RANGE: number

DEPTH_STENCIL: number

DEPTH_STENCIL_ATTACHMENT: number

DEPTH_TEST: number

DEPTH_WRITEMASK: number

DEPTH24_STENCIL8: number

DITHER: number

DONT_CARE: number

readonly

drawingBufferHeight

Represents the actual height of the current drawing buffer. It should match the height attribute of the window associated with this context, but might differ if the implementation is not able to provide the requested height.

readonly

drawingBufferWidth

Represents the actual width of the current drawing buffer. It should match the width attribute of the window associated with this context, but might differ if the implementation is not able to provide the requested width.

DST_ALPHA: number

DST_COLOR: number

DYNAMIC_DRAW: number

ELEMENT_ARRAY_BUFFER: number

ELEMENT_ARRAY_BUFFER_BINDING: number

EQUAL: number

FASTEST: number

FLOAT: number

FLOAT_MAT2: number

FLOAT_MAT3: number

FLOAT_MAT4: number

FLOAT_VEC2: number

FLOAT_VEC3: number

FLOAT_VEC4: number

FRAGMENT_SHADER: number

FRAMEBUFFER: number

FRAMEBUFFER_ATTACHMENT_OBJECT_NAME: number

FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE: number

FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE: number

FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL: number

FRAMEBUFFER_BINDING: number

FRAMEBUFFER_COMPLETE: number

FRAMEBUFFER_INCOMPLETE_ATTACHMENT: number

FRAMEBUFFER_INCOMPLETE_DIMENSIONS: number

FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT: number

FRAMEBUFFER_UNSUPPORTED: number

FRONT: number

FRONT_AND_BACK: number

FRONT_FACE: number

FUNC_ADD: number

FUNC_REVERSE_SUBTRACT: number

FUNC_SUBTRACT: number

GENERATE_MIPMAP_HINT: number

GEQUAL: number

GREATER: number

GREEN_BITS: number

HALF_FLOAT_OES: number

HIGH_FLOAT: number

HIGH_INT: number

IMPLEMENTATION_COLOR_READ_FORMAT: number

IMPLEMENTATION_COLOR_READ_TYPE: number

INCR: number

INCR_WRAP: number

INT: number

INT_VEC2: number

INT_VEC3: number

INT_VEC4: number

INVALID_ENUM: number

INVALID_FRAMEBUFFER_OPERATION: number

INVALID_OPERATION: number

INVALID_VALUE: number

INVERT: number

KEEP: number

LEQUAL: number

LESS: number

LINE_LOOP: number

LINE_STRIP: number

LINE_WIDTH: number

LINEAR: number

LINEAR_MIPMAP_LINEAR: number

LINEAR_MIPMAP_NEAREST: number

LINES: number

LINK_STATUS: number

LOW_FLOAT: number

LOW_INT: number

LUMINANCE: number

LUMINANCE_ALPHA: number

MAX_COMBINED_TEXTURE_IMAGE_UNITS: number

MAX_CUBE_MAP_TEXTURE_SIZE: number

MAX_FRAGMENT_UNIFORM_VECTORS: number

MAX_RENDERBUFFER_SIZE: number

MAX_TEXTURE_IMAGE_UNITS: number

MAX_TEXTURE_SIZE: number

MAX_VARYING_VECTORS: number

MAX_VERTEX_ATTRIBS: number

MAX_VERTEX_TEXTURE_IMAGE_UNITS: number

MAX_VERTEX_UNIFORM_VECTORS: number

MAX_VIEWPORT_DIMS: number

MEDIUM_FLOAT: number

MEDIUM_INT: number

MIRRORED_REPEAT: number

NEAREST: number

NEAREST_MIPMAP_LINEAR: number

NEAREST_MIPMAP_NEAREST: number

NEVER: number

NICEST: number

NO_ERROR: number

NONE: number

NOTEQUAL: number

ONE: number

ONE_MINUS_CONSTANT_ALPHA: number

ONE_MINUS_CONSTANT_COLOR: number

ONE_MINUS_DST_ALPHA: number

ONE_MINUS_DST_COLOR: number

ONE_MINUS_SRC_ALPHA: number

ONE_MINUS_SRC_COLOR: number

OUT_OF_MEMORY: number

PACK_ALIGNMENT: number

POINTS: number

POLYGON_OFFSET_FACTOR: number

POLYGON_OFFSET_FILL: number

POLYGON_OFFSET_UNITS: number

RED_BITS: number

RENDERBUFFER: number

RENDERBUFFER_ALPHA_SIZE: number

RENDERBUFFER_BINDING: number

RENDERBUFFER_BLUE_SIZE: number

RENDERBUFFER_DEPTH_SIZE: number

RENDERBUFFER_GREEN_SIZE: number

RENDERBUFFER_HEIGHT: number

RENDERBUFFER_INTERNAL_FORMAT: number

RENDERBUFFER_RED_SIZE: number

RENDERBUFFER_STENCIL_SIZE: number

RENDERBUFFER_WIDTH: number

RENDERER: number

REPEAT: number

REPLACE: number

RGB: number

RGB5_A1: number

RGB565: number

RGBA: number

RGBA16F: number

RGBA32F: number

RGBA4: number

SAMPLE_ALPHA_TO_COVERAGE: number

SAMPLE_BUFFERS: number

SAMPLE_COVERAGE: number

SAMPLE_COVERAGE_INVERT: number

SAMPLE_COVERAGE_VALUE: number

SAMPLER_2D: number

SAMPLER_CUBE: number

SAMPLES: number

SCISSOR_BOX: number

SCISSOR_TEST: number

SHADER_TYPE: number

SHADING_LANGUAGE_VERSION: number

SHORT: number

SRC_ALPHA: number

SRC_ALPHA_SATURATE: number

SRC_COLOR: number

STATIC_DRAW: number

STENCIL_ATTACHMENT: number

STENCIL_BACK_FAIL: number

STENCIL_BACK_FUNC: number

STENCIL_BACK_PASS_DEPTH_FAIL: number

STENCIL_BACK_PASS_DEPTH_PASS: number

STENCIL_BACK_REF: number

STENCIL_BACK_VALUE_MASK: number

STENCIL_BACK_WRITEMASK: number

STENCIL_BITS: number

STENCIL_BUFFER_BIT: number

STENCIL_CLEAR_VALUE: number

STENCIL_FAIL: number

STENCIL_FUNC: number

STENCIL_INDEX8: number

STENCIL_PASS_DEPTH_FAIL: number

STENCIL_PASS_DEPTH_PASS: number

STENCIL_REF: number

STENCIL_TEST: number

STENCIL_VALUE_MASK: number

STENCIL_WRITEMASK: number

STREAM_DRAW: number

SUBPIXEL_BITS: number

TEXTURE: number

TEXTURE_2D: number

TEXTURE_BINDING_2D: number

TEXTURE_BINDING_CUBE_MAP: number

TEXTURE_CUBE_MAP: number

TEXTURE_CUBE_MAP_NEGATIVE_X: number

TEXTURE_CUBE_MAP_NEGATIVE_Y: number

TEXTURE_CUBE_MAP_NEGATIVE_Z: number

TEXTURE_CUBE_MAP_POSITIVE_X: number

TEXTURE_CUBE_MAP_POSITIVE_Y: number

TEXTURE_CUBE_MAP_POSITIVE_Z: number

TEXTURE_MAG_FILTER: number

TEXTURE_MIN_FILTER: number

TEXTURE_WRAP_S: number

TEXTURE_WRAP_T: number

TEXTURE0: number

TEXTURE1: number

TEXTURE10: number

TEXTURE11: number

TEXTURE12: number

TEXTURE13: number

TEXTURE14: number

TEXTURE15: number

TEXTURE16: number

TEXTURE17: number

TEXTURE18: number

TEXTURE19: number

TEXTURE2: number

TEXTURE20: number

TEXTURE21: number

TEXTURE22: number

TEXTURE23: number

TEXTURE24: number

TEXTURE25: number

TEXTURE26: number

TEXTURE27: number

TEXTURE28: number

TEXTURE29: number

TEXTURE3: number

TEXTURE30: number

TEXTURE31: number

TEXTURE4: number

TEXTURE5: number

TEXTURE6: number

TEXTURE7: number

TEXTURE8: number

TEXTURE9: number

TRIANGLE_FAN: number

TRIANGLE_STRIP: number

TRIANGLES: number

UNPACK_ALIGNMENT: number

UNPACK_COLORSPACE_CONVERSION_WEBGL: number

UNPACK_FLIP_Y_WEBGL: number

UNPACK_PREMULTIPLY_ALPHA_WEBGL: number

UNSIGNED_BYTE: number

UNSIGNED_INT: number

UNSIGNED_SHORT: number

UNSIGNED_SHORT_4_4_4_4: number

UNSIGNED_SHORT_5_5_5_1: number

UNSIGNED_SHORT_5_6_5: number

VALIDATE_STATUS: number

VENDOR: number

VERSION: number

VERTEX_ATTRIB_ARRAY_BUFFER_BINDING: number

VERTEX_ATTRIB_ARRAY_ENABLED: number

VERTEX_ATTRIB_ARRAY_NORMALIZED: number

VERTEX_ATTRIB_ARRAY_POINTER: number

VERTEX_ATTRIB_ARRAY_SIZE: number

VERTEX_ATTRIB_ARRAY_STRIDE: number

VERTEX_ATTRIB_ARRAY_TYPE: number

VERTEX_SHADER: number

VIEWPORT: number

ZERO: number

Methods

activeTexture(texture: number)

Specifies which texture unit to make active.

attachShader(program: WebGLProgram, shader: WebGLShader)

Attaches either a fragment or vertex WebGLShader to a WebGLProgram.

bindBuffer(target: number, buffer: WebGLBuffer | null)

Binds a given WebGLBuffer to a target.

bindFramebuffer(target: number, framebuffer: WebGLFramebuffer | null)

bindRenderbuffer(target: number, renderbuffer: WebGLRenderbuffer | null)

bindTexture(target: number, texture: WebGLTexture | null)

blendColor(

r: number,

g: number,

b: number,

a: number,

)

Sets the source and destination blending factors.

blendEquation(mode: number)

Sets both the RGB blend equation and alpha blend equation to a single equation.

blendEquationSeparate(modeRGB: number, modeAlpha: number)

Sets the RGB blend equation and alpha blend equation separately.

blendFunc(sfactor: number, dfactor: number)

Defines which function is used for blending pixel arithmetic.

blendFuncSeparate(

srcRGB: number,

dstRGB: number,

srcAlpha: number,

dstAlpha: number,

)

Defines which function is used for blending pixel arithmetic for RGB and alpha components separately.

bufferData(

target: number,

data: ArrayBufferView | number,

usage: number,

)

Initializes and creates the buffer object's data store.

clear(mask: number)

Clears buffers to preset values.

clearColor(

r: number,

g: number,

b: number,

a: number,

)

Specifies the color values used when clearing color buffers.

clearDepth(depth: number)

Specifies the clear value for the depth buffer.

clearStencil(s: number)

Specifies the clear value for the stencil buffer.

colorMask(

r: boolean,

g: boolean,

b: boolean,

a: boolean,

)

Sets which color components to enable or to disable when drawing or rendering to a WebGLFramebuffer.

compileShader(shader: WebGLShader)

Compiles a GLSL shader into binary data so that it can be used by a WebGLProgram.

copyTexImage2D(

target: number,

level: number,

internalformat: number,

x: number,

y: number,

width: number,

height: number,

border: number,

)

createBuffer()

Creates and initializes a WebGLBuffer storing data such as vertices or colors.

createFramebuffer()

Creates and initializes a WebGLFramebuffer object.

createProgram()

Creates and initializes a WebGLProgram object.

createRenderbuffer()

createShader(type: number)

Creates a WebGLShader that can then be configured further using WebGLRenderingContext.shaderSource() and WebGLRenderingContext.compileShader().

createTexture()

cullFace(mode: number)

Specifies whether or not front- and/or back-facing polygons can be culled.

deleteBuffer(buffer: WebGLBuffer | null)

Deletes a given WebGLBuffer. This method has no effect if the buffer has already been deleted.

deleteFramebuffer(framebuffer: WebGLFramebuffer | null)

Deletes a given WebGLFramebuffer object. This method has no effect if the frame buffer has already been deleted.

deleteProgram(program: WebGLProgram | null)

deleteShader(shader: WebGLShader | null)

deleteTexture(texture: WebGLTexture | null)

depthFunc(func: number)

Specifies a function that compares incoming pixel depth to the current depth buffer value.

depthMask(flag: boolean)

Sets whether writing into the depth buffer is enabled or disabled.

depthRange(zNear: number, zFar: number)

Specifies the depth range mapping from normalized device coordinates to window or viewport coordinates.

disable(cap: number)

Disables specific WebGL capabilities for this context.

disableVertexAttribArray(index: number)

drawArrays(

mode: number,

first: number,

count: number,

)

Renders primitives from array data.

drawElements(

mode: number,

count: number,

type: number,

offset: number,

)

enable(cap: number)

Enables specific WebGL capabilities for this context.

enableVertexAttribArray(index: number)

Turns on the generic vertex attribute array at the specified index into the list of attribute arrays.

finish()

flush()

framebufferRenderbuffer(

target: number,

attachment: number,

renderbuffertarget: number,

renderbuffer: WebGLRenderbuffer | null,

)

Attaches a WebGLRenderbuffer object to a WebGLFramebuffer object.

framebufferTexture2D(

target: number,

attachment: number,

textarget: number,

texture: WebGLTexture | null,

level: number,

)

Attaches a texture to a WebGLFramebuffer.

frontFace(mode: number)

Specifies whether polygons are front- or back-facing by setting a winding orientation.

generateMipmap(target: number)

getActiveAttrib(program: WebGLProgram, index: number)

getActiveUniform(program: WebGLProgram, index: number)

getAttribLocation(program: WebGLProgram, name: string)

Returns the location of an attribute variable in a given WebGLProgram.

getContextAttributes()

Returns a WebGLContextAttributes object that contains the actual context parameters. Might return null, if the context is lost.

getError()

Returns error information.

getExtension(name: string)

getParameter(pname: number)

Returns a value for the passed parameter name.

getProgramInfoLog(program: WebGLProgram)

getProgramParameter(program: WebGLProgram, pname: number)

getShaderInfoLog(shader: WebGLShader)

Returns the information log for a shader object.

getShaderParameter(shader: WebGLShader, pname: number)

Returns information about the given shader.

getShaderPrecisionFormat(shaderType: number, precisionType: number)

getSupportedExtensions(): string[]

Returns a list of all the supported WebGL extensions.

getUniformLocation(program: WebGLProgram, name: string)

hint(target: number, mode: number)

Specifies hints for certain behaviors. The interpretation of these hints depend on the implementation.

isEnabled(cap: number)

Tests whether a specific WebGL capability is enabled or not for this context.

lineWidth(width: number)

Sets the line width of rasterized lines.

linkProgram(program: WebGLProgram)

Links a given WebGLProgram, completing the process of preparing the GPU code for the program's fragment and vertex shaders.

pixelStorei(pname: number, param: number)

Specifies the pixel storage modes.

polygonOffset(factor: number, units: number)

Specifies the scale factors and units to calculate depth values. The offset is added before the depth test is performed and before the value is written into the depth buffer.

readPixels(

x: number,

y: number,

width: number,

height: number,

format: number,

type: number,

pixels: ArrayBufferView,

)

renderbufferStorage(

target: number,

internalformat: number,

width: number,

height: number,

)

sampleCoverage(value: number, invert: boolean)

Specifies multi-sample coverage parameters for anti-aliasing effects.

scissor(

x: number,

y: number,

width: number,

height: number,

)

Sets a scissor box, which limits the drawing to a specified rectangle.

shaderSource(shader: WebGLShader, source: string)

Sets the source code of a WebGLShader.

stencilFunc(

func: number,

ref: number,

mask: number,

)

Sets the front and back function and reference value for stencil testing.

stencilFuncSeparate(

face: number,

func: number,

ref: number,

mask: number,

)

Sets the front and/or back function and reference value for stencil testing.

stencilMask(mask: number)

Controls enabling and disabling of both the front and back writing of individual bits in the stencil planes.

stencilMaskSeparate(face: number, mask: number)

controls enabling and disabling of front and/or back writing of individual bits in the stencil planes. The WebGLRenderingContext.stencilMask() method can set both, the front and back stencil writemasks to one value at the same time.

stencilOp(

fail: number,

zfail: number,

zpass: number,

)

Sets both the front and back-facing stencil test actions.

stencilOpSeparate(

face: number,

fail: number,

zfail: number,

zpass: number,

)