本文整理汇总了TypeScript中neuroglancer/single_mesh/frontend.VertexChunkData类的典型用法代码示例。如果您正苦于以下问题：TypeScript VertexChunkData类的具体用法？TypeScript VertexChunkData怎么用？TypeScript VertexChunkData使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了VertexChunkData类的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的TypeScript代码示例。
示例1: it
it('attributes', () => {
const attributeNames = ['attrA', 'attrB', 'attrC'];
const attributeInfo: VertexAttributeInfo[] = [];
let numVertices = 146423;
const vertexData = new VertexChunkData();
vertexData.vertexPositions = new Float32Array(numVertices * 3);
vertexData.vertexNormals = new Float32Array(numVertices * 3);
for (let i = 0; i < numVertices * 3; ++i) {
vertexData.vertexPositions[i] = i;
vertexData.vertexNormals[i] = i + 0.5;
}
vertexData.vertexAttributes = [];
fragmentShaderTest(6, tester => {
let shaderManager =
new SingleMeshShaderManager(attributeNames, attributeInfo, /*fragmentMain=*/'');
const attributeFormats = getAttributeTextureFormats(attributeInfo);
let {gl, builder} = tester;
builder.addUniform('highp float', 'vertexIndex');
builder.addVarying('highp vec3', 'vVertexPosition');
builder.addVarying('highp vec3', 'vVertexNormal');
shaderManager.defineAttributeAccess(builder, 'vertexIndex');
builder.addVertexMain(`
vVertexPosition = vertexPosition;
vVertexNormal = vertexNormal;
`);
builder.setFragmentMain(`
gl_FragData[0] = packFloatIntoVec4(vVertexPosition.x);
gl_FragData[1] = packFloatIntoVec4(vVertexPosition.y);
gl_FragData[2] = packFloatIntoVec4(vVertexPosition.z);
gl_FragData[3] = packFloatIntoVec4(vVertexNormal.x);
gl_FragData[4] = packFloatIntoVec4(vVertexNormal.y);
gl_FragData[5] = packFloatIntoVec4(vVertexNormal.z);
`);
vertexData.copyToGPU(gl, attributeFormats);
tester.build();
let {shader} = tester;
shader.bind();
for (let index of [0, 1, 2, 32104, 100201, 143212]) {
shaderManager.bindVertexData(gl, shader, vertexData);
gl.uniform1f(shader.uniform('vertexIndex'), index);
tester.execute();
let values = new Float32Array(6);
for (let i = 0; i < 6; ++i) {
values[i] = tester.readFloat(i);
}
for (let i = 0; i < 3; ++i) {
expect(values[i]).toEqual(
vertexData.vertexPositions[index * 3 + i], `vertexPositions: index=${index}, i=${i}`);
expect(values[i + 3])
.toEqual(
vertexData.vertexNormals[index * 3 + i], `vertexNormals: index=${index}, i=${i}`);
}
}
});
});示例2: it
it('attributes', () => {
const attributeNames = ['attrA', 'attrB', 'attrC'];
const attributeInfo: VertexAttributeInfo[] = [];
let numVertices = 146423;
const vertexData = new VertexChunkData();
vertexData.vertexPositions = new Float32Array(numVertices * 3);
vertexData.vertexNormals = new Float32Array(numVertices * 3);
for (let i = 0; i < numVertices * 3; ++i) {
vertexData.vertexPositions[i] = i;
vertexData.vertexNormals[i] = i + 0.5;
}
vertexData.vertexAttributes = [];
fragmentShaderTest(
{
posX: 'float',
posY: 'float',
posZ: 'float',
normX: 'float',
normY: 'float',
normZ: 'float',
},
tester => {
let shaderManager =
new SingleMeshShaderManager(attributeNames, attributeInfo, /*fragmentMain=*/ '');
const attributeFormats = getAttributeTextureFormats(attributeInfo);
let {gl, builder} = tester;
builder.addUniform('highp uint', 'vertexIndex');
builder.addVarying('highp vec3', 'vVertexPosition');
builder.addVarying('highp vec3', 'vVertexNormal');
shaderManager.defineAttributeAccess(builder, 'vertexIndex');
builder.addVertexMain(`
vVertexPosition = vertexPosition;
vVertexNormal = vertexNormal;
`);
builder.setFragmentMain(`
posX = vVertexPosition.x;
posY = vVertexPosition.y;
posZ = vVertexPosition.z;
normX = vVertexNormal.x;
normY = vVertexNormal.y;
normZ = vVertexNormal.z;
`);
vertexData.copyToGPU(gl, attributeFormats);
tester.build();
let {shader} = tester;
shader.bind();
for (let index of [0, 1, 2, 32104, 100201, 143212]) {
shaderManager.bindVertexData(gl, shader, vertexData);
gl.uniform1ui(shader.uniform('vertexIndex'), index);
tester.execute();
const {values} = tester;
const pos = [values.posX, values.posY, values.posZ];
const norm = [values.normX, values.normY, values.normZ];
for (let i = 0; i < 3; ++i) {
expect(pos[i]).toEqual(
vertexData.vertexPositions[index * 3 + i],
`vertexPositions: index=${index}, i=${i}`);
expect(norm[i]).toEqual(
vertexData.vertexNormals[index * 3 + i], `vertexNormals: index=${index}, i=${i}`);
}
}
});
});示例3: SingleMeshShaderManager
fragmentShaderTest(6, tester => {
let shaderManager =
new SingleMeshShaderManager(attributeNames, attributeInfo, /*fragmentMain=*/'');
const attributeFormats = getAttributeTextureFormats(attributeInfo);
let {gl, builder} = tester;
builder.addUniform('highp float', 'vertexIndex');
builder.addVarying('highp vec3', 'vVertexPosition');
builder.addVarying('highp vec3', 'vVertexNormal');
shaderManager.defineAttributeAccess(builder, 'vertexIndex');
builder.addVertexMain(`
vVertexPosition = vertexPosition;
vVertexNormal = vertexNormal;
`);
builder.addOutputBuffer('vec4', 'v4f_fragData0', 0);
builder.addOutputBuffer('vec4', 'v4f_fragData1', 1);
builder.addOutputBuffer('vec4', 'v4f_fragData2', 2);
builder.addOutputBuffer('vec4', 'v4f_fragData3', 3);
builder.addOutputBuffer('vec4', 'v4f_fragData4', 4);
builder.addOutputBuffer('vec4', 'v4f_fragData5', 5);
builder.setFragmentMain(`
v4f_fragData0 = packFloatIntoVec4(vVertexPosition.x);
v4f_fragData1 = packFloatIntoVec4(vVertexPosition.y);
v4f_fragData2 = packFloatIntoVec4(vVertexPosition.z);
v4f_fragData3 = packFloatIntoVec4(vVertexNormal.x);
v4f_fragData4 = packFloatIntoVec4(vVertexNormal.y);
v4f_fragData5 = packFloatIntoVec4(vVertexNormal.z);
`);
vertexData.copyToGPU(gl, attributeFormats);
tester.build();
//debugger;
let {shader} = tester;
shader.bind();
for (let index of [0, 1, 2, 32104, 100201, 143212]) {
shaderManager.bindVertexData(gl, shader, vertexData);
gl.uniform1f(shader.uniform('vertexIndex'), index);
tester.execute();
let values = new Float32Array(6);
for (let i = 0; i < 6; ++i) {
values[i] = tester.readFloat(i);
}
for (let i = 0; i < 3; ++i) {
expect(values[i]).toEqual(
vertexData.vertexPositions[index * 3 + i], `vertexPositions: index=${index}, i=${i}`);
expect(values[i + 3])
.toEqual(
vertexData.vertexNormals[index * 3 + i], `vertexNormals: index=${index}, i=${i}`);
}
}
});示例4: SingleMeshShaderManager
tester => {
let shaderManager =
new SingleMeshShaderManager(attributeNames, attributeInfo, /*fragmentMain=*/ '');
const attributeFormats = getAttributeTextureFormats(attributeInfo);
let {gl, builder} = tester;
builder.addUniform('highp uint', 'vertexIndex');
builder.addVarying('highp vec3', 'vVertexPosition');
builder.addVarying('highp vec3', 'vVertexNormal');
shaderManager.defineAttributeAccess(builder, 'vertexIndex');
builder.addVertexMain(`
vVertexPosition = vertexPosition;
vVertexNormal = vertexNormal;
`);
builder.setFragmentMain(`
posX = vVertexPosition.x;
posY = vVertexPosition.y;
posZ = vVertexPosition.z;
normX = vVertexNormal.x;
normY = vVertexNormal.y;
normZ = vVertexNormal.z;
`);
vertexData.copyToGPU(gl, attributeFormats);
tester.build();
let {shader} = tester;
shader.bind();
for (let index of [0, 1, 2, 32104, 100201, 143212]) {
shaderManager.bindVertexData(gl, shader, vertexData);
gl.uniform1ui(shader.uniform('vertexIndex'), index);
tester.execute();
const {values} = tester;
const pos = [values.posX, values.posY, values.posZ];
const norm = [values.normX, values.normY, values.normZ];
for (let i = 0; i < 3; ++i) {
expect(pos[i]).toEqual(
vertexData.vertexPositions[index * 3 + i],
`vertexPositions: index=${index}, i=${i}`);
expect(norm[i]).toEqual(
vertexData.vertexNormals[index * 3 + i], `vertexNormals: index=${index}, i=${i}`);
}
}
});