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State.js
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State.js
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import {glEnumToString} from './ContextGL';
const EnumStringMap = {};
for(let key in WebGLRenderingContext){
EnumStringMap[WebGLRenderingContext[key]] = key;
}
function arrStr(arr){
return '[' + arr + ']';
}
function arrEnumStr(arrEnum){
let out = [];
for(let i = 0; i < arrEnum.length; ++i){
out.push(glEnumToString(arrEnum[i]));
}
return arrStr(out);
}
/**
* GL viewport state representation.
* @param viewport
* @constructor
*/
export function ViewportState(viewport){
this.viewport = viewport.slice(0);
}
/**
* Returns a copy of the state.
* @returns {ViewportState}
*/
ViewportState.prototype.copy = function(){
return new ViewportState(this.viewport)
};
/**
* Returns a string description of every state.
* @returns {{viewport}}
*/
ViewportState.prototype.getDescription = function(){
return {
viewport : arrStr(this.viewport)
};
};
/**
* GL culling state representation.
* @param cullFace
* @param cullFaceMode
* @constructor
*/
export function CullingState(cullFace,cullFaceMode){
this.cullFace = cullFace;
this.cullFaceMode = cullFaceMode;
}
/**
* Returns a copy of the state.
* @returns {CullingState}
*/
CullingState.prototype.copy = function(){
return new CullingState(this.cullFace,this.cullFaceMode);
};
/**
* Returns a string description of every state.
* @returns {{cullFace: *, cullFaceMode: *}}
*/
CullingState.prototype.getDescription = function(){
return {
cullFace : this.cullFace,
cullFaceMode : EnumStringMap[this.cullFaceMode]
};
};
/**
* GL scissor state representation.
* @param scissorTest
* @param scissorBox
* @constructor
*/
export function ScissorState(scissorTest,scissorBox){
this.scissorTest = scissorTest;
this.scissorBox = scissorBox.slice(0);
}
/**
* Returns a copy of the state.
* @returns {ScissorState}
*/
ScissorState.prototype.copy = function(){
return new ScissorState(this.scissorTest,this.scissorBox)
};
/**
* Returns a string description of every state.
* @returns {{scissorTest: *, scissorBox}}
*/
ScissorState.prototype.getDescription = function(){
return {
scissorTest : this.scissorTest,
scissorBox : arrStr(this.scissorBox)
};
};
/**
* GL stencil state representation.
* @param stencilTest
* @param stencilFuncSeparate
* @param stencilOpSeparate
* @constructor
*/
export function StencilState(stencilTest, stencilFuncSeparate, stencilOpSeparate){
this.stencilTest = stencilTest;
this.stencilFuncSeparate = stencilFuncSeparate.slice(0);
this.stencilOpSeparate = stencilOpSeparate.slice(0);
}
/**
* Returns a copy of the state.
* @returns {StencilState}
*/
StencilState.prototype.copy = function(){
return new StencilState(
this.stencilTest,
this.stencilFuncSeparate,
this.stencilOpSeparate
);
};
/**
* Returns a string description of the state.
* @returns {{stencilTest: *, stencilFuncSeparate, stencilOpSeparate}}
*/
StencilState.prototype.getDescription = function(){
const stencilFuncSeparate = this.stencilFuncSeparate.slice(0);
stencilFuncSeparate[2] = '0x' + stencilFuncSeparate[2].toString(16).toUpperCase();
stencilFuncSeparate[5] = '0x' + stencilFuncSeparate[5].toString(16).toUpperCase();
return {
stencilTest : this.stencilTest,
stencilFuncSeparate : arrEnumStr(stencilFuncSeparate),
stencilOpSeparate : arrEnumStr(this.stencilOpSeparate)
};
};
/**
* GL depth state representation.
* @param depthTest
* @param depthMask
* @param depthFunc
* @param depthClearValue
* @param depthRange
* @param polygonOffset
* @constructor
*/
export function DepthState(depthTest, depthMask, depthFunc, depthClearValue, depthRange, polygonOffset){
this.depthTest = depthTest;
this.depthMask = depthMask;
this.depthFunc = depthFunc;
this.depthClearValue = depthClearValue;
this.depthRange = depthRange.slice(0);
this.polygonOffset = polygonOffset.slice(0);
}
/**
* Returns a copy of the state.
* @returns {DepthState}
*/
DepthState.prototype.copy = function(){
return new DepthState(
this.depthTest,
this.depthMask,
this.depthFunc,
this.depthClearValue,
this.depthRange,
this.polygonOffset
);
};
/**
* Returns a string representation of the state.
* @returns {{depthTest: *, depthMask: *, depthFunc, depthClearValue: *, depthRange, polygonOffset}}
*/
DepthState.prototype.getDescription = function(){
return {
depthTest : this.depthTest,
depthMask : this.depthMask,
depthFunc : glEnumToString(this.depthFunc),
depthClearValue : this.depthClearValue,
depthRange : arrStr(this.depthRange),
polygonOffset : arrStr(this.polygonOffset)
}
};
/**
* GL color state representation.
* @param clearColor
* @param colorMask
* @constructor
*/
export function ColorState(clearColor, colorMask){
this.clearColor = clearColor.slice(0);
this.colorMask = colorMask.slice(0);
}
/**
* Returns a copy of the state.
* @returns {ColorState}
*/
ColorState.prototype.copy = function(){
return new ColorState(this.clearColor, this.colorMask);
};
/**
* Returns a string representation of the state.
* @returns {{clearColor, colorMask}}
*/
ColorState.prototype.getDescription = function(){
return {
clearColor : arrStr(this.clearColor),
colorMask : arrStr(this.colorMask)
};
};
/**
* GL linewidth representation.
* @param lineWidth
* @constructor
*/
export function LineWidthState(lineWidth){
this.lineWidth = lineWidth;
}
/**
* Returns a copy of the state.
* @returns {LineWidthState}
*/
LineWidthState.prototype.copy = function(){
return new LineWidthState(this.lineWidth);
};
/**
* Returns a string description of the state.
* @returns {{lineWidth: *}}
*/
LineWidthState.prototype.getDescription = function(){
return {
lineWidth : this.lineWidth
};
};
/**
* GL blend state representation.
* @param blend
* @param blendColor
* @param blendEquationSeparate
* @param blendFuncSeparate
* @constructor
*/
export function BlendState(blend, blendColor, blendEquationSeparate, blendFuncSeparate){
this.blend = blend;
this.blendColor = blendColor.slice(0);
this.blendEquationSeparate = blendEquationSeparate.slice(0);
this.blendFuncSeparate = blendFuncSeparate.slice(0);
}
/**
* Returns a copy of the state.
* @returns {BlendState}
*/
BlendState.prototype.copy = function(){
return new BlendState(
this.blend,
this.blendColor,
this.blendEquationSeparate,
this.blendFuncSeparate
);
};
/**
* Returns a string description of the state.
* @returns {{blend: *, blendColor, blendEquationSeparate, blendFuncSeparate}}
*/
BlendState.prototype.getDescription = function(){
return {
blend : this.blend,
blendColor : arrStr(this.blendColor),
blendEquationSeparate : arrEnumStr(this.blendEquationSeparate),
blendFuncSeparate : arrEnumStr(this.blendFuncSeparate)
};
};
/**
* Texture binding representation
* @param textureActive
* @param textureUnitActive
* @constructor
*/
export function TextureState(textureActive,textureUnitActive){
this.textureActive = textureActive.slice(0);
this.textureUnitActive = textureUnitActive;
}
/**
* Returns a copy of the state.
* @returns {TextureState}
*/
TextureState.prototype.copy = function(){
return new TextureState(this.textureActive,this.textureUnitActive);
};
/**
* Returns a string description of the state.
* @returns {{textureActive, textureUnitActive: *}}
*/
TextureState.prototype.getDescription = function(){
return {
textureActive : arrStr(this.textureActive),
textureUnitActive : this.textureUnitActive
};
};
/**
* Vertex array binding representation.
* @param binding
* @constructor
*/
export function VertexArrayBindingState(binding){
this.binding = binding;
}
/**
* Returns a copy of the state.
* @returns {VertexArrayBindingState}
*/
VertexArrayBindingState.prototype.copy = function(){
return new VertexArrayBindingState(this.binding);
};
/**
* Returns a string description of the state.
* @returns {{binding: *}}
*/
VertexArrayBindingState.prototype.getDescription = function(){
return {
binding : this.binding
};
};
/**
* Quickdraw state representation
* @param color
* @param lineWidth
* @param pointSize
* @param numSegmentsCircle
* @param numSegmentsEllipse
* @param numSegmentsCylinderH
* @param numSegmentsCylinderV
* @param numSubdivisionsSphere
* @constructor
*/
export function DrawState(
color,
lineWidth,
pointSize,
numSegmentsCircle,
numSegmentsEllipse,
numSegmentsCylinderH,
numSegmentsCylinderV,
numSubdivisionsSphere){
this.color = color.slice(0);
this.lineWidth = lineWidth;
this.pointSize = pointSize;
this.numSegmentsCircle = numSegmentsCircle;
this.numSegmentsEllipse = numSegmentsEllipse;
this.numSegmentsCylinderH = numSegmentsCylinderH;
this.numSegmentsCylinderV = numSegmentsCylinderV;
this.numSubdivisionsSphere = numSubdivisionsSphere
}
/**
* Returns a copy of the state.
* @returns {DrawState}
*/
DrawState.prototype.copy = function(){
return new DrawState(
this.color,
this.lineWidth,
this.pointSize,
this.numSegmentsCircle,
this.numSegmentsEllipse,
this.numSegmentsCylinderH,
this.numSegmentsCylinderV,
this.numSubdivisionsSphere
);
};
/**
* Returns a string description of the state.
* @returns {{color, lineWidth: *, pointSize: *}}
*/
DrawState.prototype.getDescription = function(){
return {
color : arrStr(this.color),
lineWidth : this.lineWidth,
pointSize : this.pointSize,
numSegmentsCircle : this.numSegmentsCircle,
numSegmentsEllipse : this.numSegmentsEllipse,
numSegmentsCylinderH : this.numSegmentsCylinderH,
numSegmentsCylinderV : this.numSegmentsCylinderV,
numSubdivisionsSphere : this.numSubdivisionsSphere
};
};