本文整理汇总了TypeScript中neuroglancer/util/geom.vec4.subarray方法的典型用法代码示例。如果您正苦于以下问题:TypeScript vec4.subarray方法的具体用法?TypeScript vec4.subarray怎么用?TypeScript vec4.subarray使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类neuroglancer/util/geom.vec4
的用法示例。
在下文中一共展示了vec4.subarray方法的2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: fragmentShaderTest
fragmentShaderTest(outputChannelsPerChannel * numChannels, tester => {
let {gl, builder} = tester;
let [chunkFormat, textureLayout] = getChunkFormatAndTextureLayout(gl);
builder.addUniform('vec3', 'vChunkPosition');
builder.addUniform('vec3', 'uChunkDataSize');
builder.addFragmentCode(glsl_getPositionWithinChunk);
chunkFormat.defineShader(builder);
{
let fragmentMain = '';
let outputChannel = 0;
for (let channel = 0; channel < numChannels; ++channel) {
switch (dataType) {
case DataType.UINT64:
builder.addOutputBuffer('vec4', `v4f_fragData${outputChannel}`, outputChannel);
builder.addOutputBuffer('vec4', `v4f_fragData${outputChannel + 1}`, outputChannel + 1);
fragmentMain += `
{
uint64_t value = getDataValue(${channel});
v4f_fragData${outputChannel++} = value.low;
v4f_fragData${outputChannel++} = value.high;
}
`;
break;
case DataType.UINT8:
builder.addOutputBuffer('vec4', `v4f_fragData${outputChannel}`, outputChannel);
fragmentMain += `
v4f_fragData${outputChannel++} = vec4(getDataValue(${channel}).value, 0, 0, 0);
`;
break;
case DataType.FLOAT32:
builder.addOutputBuffer('vec4', `v4f_fragData${outputChannel}`, outputChannel);
fragmentMain += `
v4f_fragData${outputChannel++} = packFloatIntoVec4(getDataValue(${channel}));
`;
break;
case DataType.UINT16:
builder.addOutputBuffer('vec4', `v4f_fragData${outputChannel}`, outputChannel);
fragmentMain += `
v4f_fragData${outputChannel++} = vec4(getDataValue(${channel}).value, 0, 0);
`;
break;
case DataType.UINT32:
builder.addOutputBuffer('vec4', `v4f_fragData${outputChannel}`, outputChannel);
fragmentMain += `
v4f_fragData${outputChannel++} = getDataValue(${channel}).value;
`;
break;
}
}
builder.setFragmentMain(fragmentMain);
}
tester.build();
let {shader} = tester;
shader.bind();
gl.uniform3fv(shader.uniform('uChunkDataSize'), volumeSize.subarray(0, 3));
let texture = gl.createTexture();
tester.registerDisposer(() => {
gl.deleteTexture(texture);
});
chunkFormat.beginDrawing(gl, shader);
gl.bindTexture(gl.TEXTURE_2D, texture);
chunkFormat.setTextureData(gl, textureLayout, encodedData);
chunkFormat.setupTextureLayout(gl, shader, textureLayout);
// Position within chunk in floating point range [0, chunkDataSize].
function checkPosition(positionInChunk: vec3) {
gl.uniform3fv(shader.uniform('vChunkPosition'), positionInChunk);
chunkFormat.beginDrawing(gl, shader);
chunkFormat.beginSource(gl, shader);
chunkFormat.setupTextureLayout(gl, shader, textureLayout);
gl.bindTexture(gl.TEXTURE_2D, texture);
tester.execute();
chunkFormat.endDrawing(gl, shader);
let offset = 0;
for (let i = 0; i < 3; ++i) {
offset += Math.floor(Math.max(0, Math.min(positionInChunk[i], volumeSize[i] - 1))) *
strides[i];
}
let outputChannel = 0;
for (let channel = 0; channel < numChannels; ++channel) {
const curOffset = offset + channel * strides[3];
const msg = `volumeSize = ${vec3Key(volumeSize)}, ` +
`positionInChunk = ${vec3Key(positionInChunk)}, ` +
`channel = ${channel}, offset = ${curOffset}`;
switch (dataType) {
case DataType.UINT64: {
let low = tester.readUint32(outputChannel++);
let high = tester.readUint32(outputChannel++);
expect(low).toBe(rawData[curOffset * 2], `${msg} (low)`);
expect(high).toEqual(rawData[curOffset * 2 + 1], `${msg} (high)`);
break;
}
case DataType.FLOAT32: {
let result = tester.readFloat(outputChannel++);
expect(result).toBe(rawData[curOffset], msg);
break;
}
//.........这里部分代码省略.........
示例2: fragmentShaderTest
fragmentShaderTest(outputs, tester => {
let {gl, builder} = tester;
let [chunkFormat, textureLayout] = getChunkFormatAndTextureLayout(gl);
builder.addUniform('highp vec3', 'vChunkPosition');
builder.addUniform('vec3', 'uChunkDataSize');
builder.addFragmentCode(glsl_getPositionWithinChunk);
chunkFormat.defineShader(builder);
{
let fragmentMain = '';
for (let channel = 0; channel < numChannels; ++channel) {
switch (dataType) {
case DataType.UINT64:
fragmentMain += `
{
uint64_t value = getDataValue(${channel});
output${channel}Low = value.value[0];
output${channel}High = value.value[1];
}
`;
break;
case DataType.FLOAT32:
fragmentMain += `
output${channel} = getDataValue(${channel});
`;
break;
default:
fragmentMain += `
output${channel} = getDataValue(${channel}).value;
`;
break;
}
}
builder.setFragmentMain(fragmentMain);
}
tester.build();
let {shader} = tester;
shader.bind();
gl.uniform3fv(shader.uniform('uChunkDataSize'), volumeSize.subarray(0, 3));
let texture = gl.createTexture();
tester.registerDisposer(() => {
gl.deleteTexture(texture);
});
const textureTarget = textureTargetForSamplerType[chunkFormat.shaderSamplerType];
chunkFormat.beginDrawing(gl, shader);
gl.bindTexture(textureTarget, texture);
chunkFormat.setTextureData(gl, textureLayout, encodedData);
chunkFormat.setupTextureLayout(gl, shader, textureLayout);
// Position within chunk in floating point range [0, chunkDataSize].
function checkPosition(positionInChunk: vec3) {
gl.uniform3fv(shader.uniform('vChunkPosition'), positionInChunk);
chunkFormat.beginDrawing(gl, shader);
chunkFormat.beginSource(gl, shader);
chunkFormat.setupTextureLayout(gl, shader, textureLayout);
gl.bindTexture(textureTarget, texture);
tester.execute();
chunkFormat.endDrawing(gl, shader);
let offset = 0;
for (let i = 0; i < 3; ++i) {
offset += Math.floor(Math.max(0, Math.min(positionInChunk[i], volumeSize[i] - 1))) *
strides[i];
}
const values = tester.values;
for (let channel = 0; channel < numChannels; ++channel) {
const curOffset = offset + channel * strides[3];
const msg = `volumeSize = ${vec3Key(volumeSize)}, ` +
`positionInChunk = ${vec3Key(positionInChunk)}, ` +
`channel = ${channel}, offset = ${curOffset}`;
switch (dataType) {
case DataType.UINT64: {
let low = values[`output${channel}Low`];
let high = values[`output${channel}High`];
expect(low).toBe(rawData[curOffset * 2], `${msg} (low)`);
expect(high).toEqual(rawData[curOffset * 2 + 1], `${msg} (high)`);
break;
}
default: {
let result = values[`output${channel}`];
expect(result).toBe(rawData[curOffset], msg);
break;
}
}
}
}
checkPosition(vec3.fromValues(0, 0, 0));
checkPosition(vec3.fromValues(0, 0, 1));
checkPosition(vec3.fromValues(0, 1, 0));
checkPosition(vec3.fromValues(0, volumeSize[1], 0));
checkPosition(vec3.fromValues(0, volumeSize[1], volumeSize[2]));
checkPosition(vec3.fromValues(volumeSize[0], volumeSize[1], volumeSize[2]));
checkPosition(vec3.fromValues(volumeSize[0] - 1, 1, 1));
const COUNT = 100;
for (let iter = 0; iter < COUNT; ++iter) {
let vChunkPosition = vec3.create();
for (let i = 0; i < 3; ++i) {
vChunkPosition[i] = Math.random() * volumeSize[i];
}
//.........这里部分代码省略.........