import { assert, average, skip, suite, test } from '#GLOBALS.mjs'
import { NANO_TEST_VECTORS } from '#test/TEST_VECTORS.js'
-import { PowGl, PowGpu, SendBlock } from '#dist/main.js'
+import { PowGl, NanoPowGpu, SendBlock } from '#dist/main.js'
import 'nano-webgl-pow'
await suite('Block performance', async () => {
]
for (let i = 0; i < 6; i++) {
const start = performance.now()
- const work = await PowGpu.search(hashes[i])
+ const work = await NanoPowGpu.search(hashes[i])
const end = performance.now()
times.push(end - start)
console.log(`${work} (${end - start} ms) ${hashes[i]}`)
// Based on nano-webgl-pow by Ben Green (numtel) <ben@latenightsketches.com>
// https://github.com/numtel/nano-webgl-pow
import { WorkerInterface } from '../pool.js'
-import { NanoPowGlFragmentShader, NanoPowGlVertexShader } from './shaders/gpu-compute.js'
+import { NanoPowGlFragmentShader, NanoPowGlVertexShader } from './shaders'
export class PowGl extends WorkerInterface {
static {
// BLAKE2b hashing implementation derived from nano-webgl-pow by Ben Green <ben@latenightsketches.com> (https://github.com/numtel/nano-webgl-pow)
/// <reference types="@webgpu/types" />
import { WorkerInterface } from '../pool.js'
-import { NanoPowGpuComputeShader } from './shaders/gpu-compute.js'
+import { NanoPowGpuComputeShader } from './shaders'
/**
* Nano proof-of-work using WebGPU.
-export const NanoPowGlVertexShader = `#version 300 es
-#pragma vscode_glsllint_stage: vert
-precision highp float;
-layout (location=0) in vec4 position;
-layout (location=1) in vec2 uv;
-
-out vec2 uv_pos;
-
-void main() {
- uv_pos = uv;
- gl_Position = position;
-}
-`
-
export const NanoPowGlFragmentShader = `#version 300 es
#pragma vscode_glsllint_stage: frag
precision highp float;
}
}
`
-
-export const NanoPowGpuComputeShader = `
-struct UBO {
- blockhash: array<vec4<u32>, 2>,
- random: u32,
- threshold: u32
-};
-@group(0) @binding(0) var<uniform> ubo: UBO;
-
-struct WORK {
- nonce: vec2<u32>,
- found: atomic<u32>
-};
-@group(0) @binding(1) var<storage, read_write> work: WORK;
-
-/**
-* Defined separately from uint v[32] below as the original value is required
-* to calculate the second uint32 of the digest for threshold comparison
-*/
-const BLAKE2B_IV32_1: u32 = 0x6A09E667u;
-
-/**
-* These are offsets into the input data buffer for each mixing step.
-* They are multiplied by 2 from the original SIGMA values in
-* the C reference implementation, which refered to uint64s.
-*
-* const SIGMA82: array<u32, 192> = array<u32, 192>(
-* 0u,2u,4u,6u,8u,10u,12u,14u,16u,18u,20u,22u,24u,26u,28u,30u,
-* 28u,20u,8u,16u,18u,30u,26u,12u,2u,24u,0u,4u,22u,14u,10u,6u,
-* 22u,16u,24u,0u,10u,4u,30u,26u,20u,28u,6u,12u,14u,2u,18u,8u,
-* 14u,18u,6u,2u,26u,24u,22u,28u,4u,12u,10u,20u,8u,0u,30u,16u,
-* 18u,0u,10u,14u,4u,8u,20u,30u,28u,2u,22u,24u,12u,16u,6u,26u,
-* 4u,24u,12u,20u,0u,22u,16u,6u,8u,26u,14u,10u,30u,28u,2u,18u,
-* 24u,10u,2u,30u,28u,26u,8u,20u,0u,14u,12u,6u,18u,4u,16u,22u,
-* 26u,22u,14u,28u,24u,2u,6u,18u,10u,0u,30u,8u,16u,12u,4u,20u,
-* 12u,30u,28u,18u,22u,6u,0u,16u,24u,4u,26u,14u,2u,8u,20u,10u,
-* 20u,4u,16u,8u,14u,12u,2u,10u,30u,22u,18u,28u,6u,24u,26u,0u,
-* 0u,2u,4u,6u,8u,10u,12u,14u,16u,18u,20u,22u,24u,26u,28u,30u,
-* 28u,20u,8u,16u,18u,30u,26u,12u,2u,24u,0u,4u,22u,14u,10u,6u
-* );
-*/
-
-/**
-* G Mixing function
-*/
-fn G (
- va0: ptr<function, u32>, va1: ptr<function, u32>,
- vb0: ptr<function, u32>, vb1: ptr<function, u32>,
- vc0: ptr<function, u32>, vc1: ptr<function, u32>,
- vd0: ptr<function, u32>, vd1: ptr<function, u32>,
- mx0: u32, mx1: u32, my0: u32, my1: u32
-) {
- var o0: u32;
- var o1: u32;
- var xor0: u32;
- var xor1: u32;
-
- // a = a + b;
- o0 = *va0 + *vb0;
- o1 = *va1 + *vb1;
- if (*va0 > 0xFFFFFFFFu - *vb0) {
- o1 = o1 + 1u;
- }
- *va0 = o0;
- *va1 = o1;
-
- // a = a + m[sigma[r][2*i+0]];
- o0 = *va0 + mx0;
- o1 = *va1 + mx1;
- if (*va0 > 0xFFFFFFFFu - mx0) {
- o1 = o1 + 1u;
- }
- *va0 = o0;
- *va1 = o1;
-
- // d = rotr64(d ^ a, 32);
- xor0 = *vd0 ^ *va0;
- xor1 = *vd1 ^ *va1;
- *vd0 = xor1;
- *vd1 = xor0;
-
- // c = c + d;
- o0 = *vc0 + *vd0;
- o1 = *vc1 + *vd1;
- if (*vc0 > 0xFFFFFFFFu - *vd0) {
- o1 = o1 + 1u;
- }
- *vc0 = o0;
- *vc1 = o1;
-
- // b = rotr64(b ^ c, 24);
- xor0 = *vb0 ^ *vc0;
- xor1 = *vb1 ^ *vc1;
- *vb0 = (xor0 >> 24u) ^ (xor1 << 8u);
- *vb1 = (xor1 >> 24u) ^ (xor0 << 8u);
-
- // a = a + b;
- o0 = *va0 + *vb0;
- o1 = *va1 + *vb1;
- if (*va0 > 0xFFFFFFFFu - *vb0) {
- o1 = o1 + 1u;
- }
- *va0 = o0;
- *va1 = o1;
-
- // a = a + m[sigma[r][2*i+1]];
- o0 = *va0 + my0;
- o1 = *va1 + my1;
- if (*va0 > 0xFFFFFFFFu - my0) {
- o1 = o1 + 1u;
- }
- *va0 = o0;
- *va1 = o1;
-
- // d = rotr64(d ^ a, 16)
- xor0 = *vd0 ^ *va0;
- xor1 = *vd1 ^ *va1;
- *vd0 = (xor0 >> 16u) ^ (xor1 << 16u);
- *vd1 = (xor1 >> 16u) ^ (xor0 << 16u);
-
- // c = c + d;
- o0 = *vc0 + *vd0;
- o1 = *vc1 + *vd1;
- if (*vc0 > 0xFFFFFFFFu - *vd0) {
- o1 = o1 + 1u;
- }
- *vc0 = o0;
- *vc1 = o1;
-
- // b = rotr64(b ^ c, 63)
- xor0 = *vb0 ^ *vc0;
- xor1 = *vb1 ^ *vc1;
- *vb0 = (xor1 >> 31u) ^ (xor0 << 1u);
- *vb1 = (xor0 >> 31u) ^ (xor1 << 1u);
-}
-
-/**
-* Main compute function
-* 8-byte work is split into two 4-byte u32. Low 4 bytes are random u32 from
-* UBO. High 4 bytes are the random value XOR'd with index of each thread.
-*/
-@compute @workgroup_size(64)
-fn main(
- @builtin(workgroup_id) workgroup_id: vec3<u32>,
- @builtin(local_invocation_id) local_id: vec3<u32>
-) {
- if (atomicLoad(&work.found) != 0u) { return; }
-
- let threshold: u32 = ubo.threshold;
-
- /**
- * Flatten 3D workgroup and local identifiers into u32 for each thread
- */
- var id: u32 = ((workgroup_id.x & 0xFFu) << 24u) |
- ((workgroup_id.y & 0xFFu) << 16u) |
- ((workgroup_id.z & 0xFFu) << 8u) |
- (local_id.x & 0xFFu);
-
- /**
- * Initialize (nonce||blockhash) concatenation
- */
- var m0: u32 = ubo.random;
- var m1: u32 = ubo.random ^ id;
- var m2: u32 = ubo.blockhash[0u].x;
- var m3: u32 = ubo.blockhash[0u].y;
- var m4: u32 = ubo.blockhash[0u].z;
- var m5: u32 = ubo.blockhash[0u].w;
- var m6: u32 = ubo.blockhash[1u].x;
- var m7: u32 = ubo.blockhash[1u].y;
- var m8: u32 = ubo.blockhash[1u].z;
- var m9: u32 = ubo.blockhash[1u].w;
-
- /**
- * Compression buffer intialized to 2 instances of initialization vector
- * The following values have been modified from the BLAKE2B_IV:
- * OUTLEN is constant 8 bytes
- * v[0u] ^= 0x01010000u ^ uint(OUTLEN);
- * INLEN is constant 40 bytes: work value (8) + block hash (32)
- * v[24u] ^= uint(INLEN);
- * It is always the "last" compression at this INLEN
- * v[28u] = ~v[28u];
- * v[29u] = ~v[29u];
- */
- var v0: u32 = 0xF2BDC900u;
- var v1: u32 = 0x6A09E667u;
- var v2: u32 = 0x84CAA73Bu;
- var v3: u32 = 0xBB67AE85u;
- var v4: u32 = 0xFE94F82Bu;
- var v5: u32 = 0x3C6EF372u;
- var v6: u32 = 0x5F1D36F1u;
- var v7: u32 = 0xA54FF53Au;
- var v8: u32 = 0xADE682D1u;
- var v9: u32 = 0x510E527Fu;
- var v10: u32 = 0x2B3E6C1Fu;
- var v11: u32 = 0x9B05688Cu;
- var v12: u32 = 0xFB41BD6Bu;
- var v13: u32 = 0x1F83D9ABu;
- var v14: u32 = 0x137E2179u;
- var v15: u32 = 0x5BE0CD19u;
- var v16: u32 = 0xF3BCC908u;
- var v17: u32 = 0x6A09E667u;
- var v18: u32 = 0x84CAA73Bu;
- var v19: u32 = 0xBB67AE85u;
- var v20: u32 = 0xFE94F82Bu;
- var v21: u32 = 0x3C6EF372u;
- var v22: u32 = 0x5F1D36F1u;
- var v23: u32 = 0xA54FF53Au;
- var v24: u32 = 0xADE682F9u;
- var v25: u32 = 0x510E527Fu;
- var v26: u32 = 0x2B3E6C1Fu;
- var v27: u32 = 0x9B05688Cu;
- var v28: u32 = 0x04BE4294u;
- var v29: u32 = 0xE07C2654u;
- var v30: u32 = 0x137E2179u;
- var v31: u32 = 0x5BE0CD19u;
-
- /**
- * Twelve rounds of mixing as part of BLAKE2b compression step
- */
- // ROUND(0)
- G(&v0, &v1, &v8, &v9, &v16, &v17, &v24, &v25, m0, m1, m2, m3);
- G(&v2, &v3, &v10, &v11, &v18, &v19, &v26, &v27, m4, m5, m6, m7);
- G(&v4, &v5, &v12, &v13, &v20, &v21, &v28, &v29, m8, m9, 0u, 0u);
- G(&v6, &v7, &v14, &v15, &v22, &v23, &v30, &v31, 0u, 0u, 0u, 0u);
- G(&v0, &v1, &v10, &v11, &v20, &v21, &v30, &v31, 0u, 0u, 0u, 0u);
- G(&v2, &v3, &v12, &v13, &v22, &v23, &v24, &v25, 0u, 0u, 0u, 0u);
- G(&v4, &v5, &v14, &v15, &v16, &v17, &v26, &v27, 0u, 0u, 0u, 0u);
- G(&v6, &v7, &v8, &v9, &v18, &v19, &v28, &v29, 0u, 0u, 0u, 0u);
-
- // ROUND(1)
- G(&v0, &v1, &v8, &v9, &v16, &v17, &v24, &v25, 0u, 0u, 0u, 0u);
- G(&v2, &v3, &v10, &v11, &v18, &v19, &v26, &v27, m8, m9, 0u, 0u);
- G(&v4, &v5, &v12, &v13, &v20, &v21, &v28, &v29, 0u, 0u, 0u, 0u);
- G(&v6, &v7, &v14, &v15, &v22, &v23, &v30, &v31, 0u, 0u, 0u, 0u);
- G(&v0, &v1, &v10, &v11, &v20, &v21, &v30, &v31, m2, m3, 0u, 0u);
- G(&v2, &v3, &v12, &v13, &v22, &v23, &v24, &v25, m0, m1, m4, m5);
- G(&v4, &v5, &v14, &v15, &v16, &v17, &v26, &v27, 0u, 0u, 0u, 0u);
- G(&v6, &v7, &v8, &v9, &v18, &v19, &v28, &v29, 0u, 0u, m6, m7);
-
- // ROUND(2)
- G(&v0, &v1, &v8, &v9, &v16, &v17, &v24, &v25, 0u, 0u, 0u, 0u);
- G(&v2, &v3, &v10, &v11, &v18, &v19, &v26, &v27, 0u, 0u, m0, m1);
- G(&v4, &v5, &v12, &v13, &v20, &v21, &v28, &v29, 0u, 0u, m4, m5);
- G(&v6, &v7, &v14, &v15, &v22, &v23, &v30, &v31, 0u, 0u, 0u, 0u);
- G(&v0, &v1, &v10, &v11, &v20, &v21, &v30, &v31, 0u, 0u, 0u, 0u);
- G(&v2, &v3, &v12, &v13, &v22, &v23, &v24, &v25, m6, m7, 0u, 0u);
- G(&v4, &v5, &v14, &v15, &v16, &v17, &v26, &v27, 0u, 0u, m2, m3);
- G(&v6, &v7, &v8, &v9, &v18, &v19, &v28, &v29, 0u, 0u, m8, m9);
-
- // ROUND(3)
- G(&v0, &v1, &v8, &v9, &v16, &v17, &v24, &v25, 0u, 0u, 0u, 0u);
- G(&v2, &v3, &v10, &v11, &v18, &v19, &v26, &v27, m6, m7, m2, m3);
- G(&v4, &v5, &v12, &v13, &v20, &v21, &v28, &v29, 0u, 0u, 0u, 0u);
- G(&v6, &v7, &v14, &v15, &v22, &v23, &v30, &v31, 0u, 0u, 0u, 0u);
- G(&v0, &v1, &v10, &v11, &v20, &v21, &v30, &v31, m4, m5, 0u, 0u);
- G(&v2, &v3, &v12, &v13, &v22, &v23, &v24, &v25, 0u, 0u, 0u, 0u);
- G(&v4, &v5, &v14, &v15, &v16, &v17, &v26, &v27, m8, m9, m0, m1);
- G(&v6, &v7, &v8, &v9, &v18, &v19, &v28, &v29, 0u, 0u, 0u, 0u);
-
- // ROUND(4)
- G(&v0, &v1, &v8, &v9, &v16, &v17, &v24, &v25, 0u, 0u, m0, m1);
- G(&v2, &v3, &v10, &v11, &v18, &v19, &v26, &v27, 0u, 0u, 0u, 0u);
- G(&v4, &v5, &v12, &v13, &v20, &v21, &v28, &v29, m4, m5, m8, m9);
- G(&v6, &v7, &v14, &v15, &v22, &v23, &v30, &v31, 0u, 0u, 0u, 0u);
- G(&v0, &v1, &v10, &v11, &v20, &v21, &v30, &v31, 0u, 0u, m2, m3);
- G(&v2, &v3, &v12, &v13, &v22, &v23, &v24, &v25, 0u, 0u, 0u, 0u);
- G(&v4, &v5, &v14, &v15, &v16, &v17, &v26, &v27, 0u, 0u, 0u, 0u);
- G(&v6, &v7, &v8, &v9, &v18, &v19, &v28, &v29, m6, m7, 0u, 0u);
-
- // ROUND(5)
- G(&v0, &v1, &v8, &v9, &v16, &v17, &v24, &v25, m4, m5, 0u, 0u);
- G(&v2, &v3, &v10, &v11, &v18, &v19, &v26, &v27, 0u, 0u, 0u, 0u);
- G(&v4, &v5, &v12, &v13, &v20, &v21, &v28, &v29, m0, m1, 0u, 0u);
- G(&v6, &v7, &v14, &v15, &v22, &v23, &v30, &v31, 0u, 0u, m6, m7);
- G(&v0, &v1, &v10, &v11, &v20, &v21, &v30, &v31, m8, m9, 0u, 0u);
- G(&v2, &v3, &v12, &v13, &v22, &v23, &v24, &v25, 0u, 0u, 0u, 0u);
- G(&v4, &v5, &v14, &v15, &v16, &v17, &v26, &v27, 0u, 0u, 0u, 0u);
- G(&v6, &v7, &v8, &v9, &v18, &v19, &v28, &v29, m2, m3, 0u, 0u);
-
- // ROUND(6)
- G(&v0, &v1, &v8, &v9, &v16, &v17, &v24, &v25, 0u, 0u, 0u, 0u);
- G(&v2, &v3, &v10, &v11, &v18, &v19, &v26, &v27, m2, m3, 0u, 0u);
- G(&v4, &v5, &v12, &v13, &v20, &v21, &v28, &v29, 0u, 0u, 0u, 0u);
- G(&v6, &v7, &v14, &v15, &v22, &v23, &v30, &v31, m8, m9, 0u, 0u);
- G(&v0, &v1, &v10, &v11, &v20, &v21, &v30, &v31, m0, m1, 0u, 0u);
- G(&v2, &v3, &v12, &v13, &v22, &v23, &v24, &v25, 0u, 0u, m6, m7);
- G(&v4, &v5, &v14, &v15, &v16, &v17, &v26, &v27, 0u, 0u, m4, m5);
- G(&v6, &v7, &v8, &v9, &v18, &v19, &v28, &v29, 0u, 0u, 0u, 0u);
-
- // ROUND(7)
- G(&v0, &v1, &v8, &v9, &v16, &v17, &v24, &v25, 0u, 0u, 0u, 0u);
- G(&v2, &v3, &v10, &v11, &v18, &v19, &v26, &v27, 0u, 0u, 0u, 0u);
- G(&v4, &v5, &v12, &v13, &v20, &v21, &v28, &v29, 0u, 0u, m2, m3);
- G(&v6, &v7, &v14, &v15, &v22, &v23, &v30, &v31, m6, m7, 0u, 0u);
- G(&v0, &v1, &v10, &v11, &v20, &v21, &v30, &v31, 0u, 0u, m0, m1);
- G(&v2, &v3, &v12, &v13, &v22, &v23, &v24, &v25, 0u, 0u, m8, m9);
- G(&v4, &v5, &v14, &v15, &v16, &v17, &v26, &v27, 0u, 0u, 0u, 0u);
- G(&v6, &v7, &v8, &v9, &v18, &v19, &v28, &v29, m4, m5, 0u, 0u);
-
- // ROUND(8)
- G(&v0, &v1, &v8, &v9, &v16, &v17, &v24, &v25, 0u, 0u, 0u, 0u);
- G(&v2, &v3, &v10, &v11, &v18, &v19, &v26, &v27, 0u, 0u, 0u, 0u);
- G(&v4, &v5, &v12, &v13, &v20, &v21, &v28, &v29, 0u, 0u, m6, m7);
- G(&v6, &v7, &v14, &v15, &v22, &v23, &v30, &v31, m0, m1, 0u, 0u);
- G(&v0, &v1, &v10, &v11, &v20, &v21, &v30, &v31, 0u, 0u, m4, m5);
- G(&v2, &v3, &v12, &v13, &v22, &v23, &v24, &v25, 0u, 0u, 0u, 0u);
- G(&v4, &v5, &v14, &v15, &v16, &v17, &v26, &v27, m2, m3, m8, m9);
- G(&v6, &v7, &v8, &v9, &v18, &v19, &v28, &v29, 0u, 0u, 0u, 0u);
-
- // ROUND(9)
- G(&v0, &v1, &v8, &v9, &v16, &v17, &v24, &v25, 0u, 0u, m4, m5);
- G(&v2, &v3, &v10, &v11, &v18, &v19, &v26, &v27, 0u, 0u, m8, m9);
- G(&v4, &v5, &v12, &v13, &v20, &v21, &v28, &v29, 0u, 0u, 0u, 0u);
- G(&v6, &v7, &v14, &v15, &v22, &v23, &v30, &v31, m2, m3, 0u, 0u);
- G(&v0, &v1, &v10, &v11, &v20, &v21, &v30, &v31, 0u, 0u, 0u, 0u);
- G(&v2, &v3, &v12, &v13, &v22, &v23, &v24, &v25, 0u, 0u, 0u, 0u);
- G(&v4, &v5, &v14, &v15, &v16, &v17, &v26, &v27, m6, m7, 0u, 0u);
- G(&v6, &v7, &v8, &v9, &v18, &v19, &v28, &v29, 0u, 0u, m0, m1);
-
- // ROUND(10)
- G(&v0, &v1, &v8, &v9, &v16, &v17, &v24, &v25, m0, m1, m2, m3);
- G(&v2, &v3, &v10, &v11, &v18, &v19, &v26, &v27, m4, m5, m6, m7);
- G(&v4, &v5, &v12, &v13, &v20, &v21, &v28, &v29, m8, m9, 0u, 0u);
- G(&v6, &v7, &v14, &v15, &v22, &v23, &v30, &v31, 0u, 0u, 0u, 0u);
- G(&v0, &v1, &v10, &v11, &v20, &v21, &v30, &v31, 0u, 0u, 0u, 0u);
- G(&v2, &v3, &v12, &v13, &v22, &v23, &v24, &v25, 0u, 0u, 0u, 0u);
- G(&v4, &v5, &v14, &v15, &v16, &v17, &v26, &v27, 0u, 0u, 0u, 0u);
- G(&v6, &v7, &v8, &v9, &v18, &v19, &v28, &v29, 0u, 0u, 0u, 0u);
-
- // ROUND(11)
- G(&v0, &v1, &v8, &v9, &v16, &v17, &v24, &v25, 0u, 0u, 0u, 0u);
- G(&v2, &v3, &v10, &v11, &v18, &v19, &v26, &v27, m8, m9, 0u, 0u);
- G(&v4, &v5, &v12, &v13, &v20, &v21, &v28, &v29, 0u, 0u, 0u, 0u);
- G(&v6, &v7, &v14, &v15, &v22, &v23, &v30, &v31, 0u, 0u, 0u, 0u);
- G(&v0, &v1, &v10, &v11, &v20, &v21, &v30, &v31, m2, m3, 0u, 0u);
- G(&v2, &v3, &v12, &v13, &v22, &v23, &v24, &v25, m0, m1, m4, m5);
- G(&v4, &v5, &v14, &v15, &v16, &v17, &v26, &v27, 0u, 0u, 0u, 0u);
- G(&v6, &v7, &v8, &v9, &v18, &v19, &v28, &v29, 0u, 0u, m6, m7);
-
- /**
- * Set nonce if it passes the threshold and no other thread has set it
- */
- if ((BLAKE2B_IV32_1 ^ v1 ^ v17) > threshold && atomicLoad(&work.found) == 0u) {
- atomicStore(&work.found, 1u);
- work.nonce.x = m0;
- work.nonce.y = m1;
- }
- return;
-}
-`
-
-
-
-/**
-* The original NanoPow compute shader derived from nano-webgl-pow is saved in
-* this comment for reference purposes. It is not quite as performant as the
-* inlined version exported above.
-*/
-
-/*
-struct UBO {
- blockhash: array<vec4<u32>, 2>,
- random: u32,
- threshold: u32
-};
-@group(0) @binding(0) var<uniform> ubo: UBO;
-
-struct WORK {
- nonce: vec2<u32>,
- found: atomic<u32>
-};
-@group(0) @binding(1) var<storage, read_write> work: WORK;
-
-// Defined separately from uint v[32] below as the original value is required
-// to calculate the second uint32 of the digest for threshold comparison
-const BLAKE2B_IV32_1: u32 = 0x6A09E667u;
-
-// These are offsets into the input data buffer for each mixing step.
-// They are multiplied by 2 from the original SIGMA values in
-// the C reference implementation, which refered to uint64s.
-
-const SIGMA82: array<u32, 192> = array<u32, 192>(
- 0u,2u,4u,6u,8u,10u,12u,14u,16u,18u,20u,22u,24u,26u,28u,30u,
- 28u,20u,8u,16u,18u,30u,26u,12u,2u,24u,0u,4u,22u,14u,10u,6u,
- 22u,16u,24u,0u,10u,4u,30u,26u,20u,28u,6u,12u,14u,2u,18u,8u,
- 14u,18u,6u,2u,26u,24u,22u,28u,4u,12u,10u,20u,8u,0u,30u,16u,
- 18u,0u,10u,14u,4u,8u,20u,30u,28u,2u,22u,24u,12u,16u,6u,26u,
- 4u,24u,12u,20u,0u,22u,16u,6u,8u,26u,14u,10u,30u,28u,2u,18u,
- 24u,10u,2u,30u,28u,26u,8u,20u,0u,14u,12u,6u,18u,4u,16u,22u,
- 26u,22u,14u,28u,24u,2u,6u,18u,10u,0u,30u,8u,16u,12u,4u,20u,
- 12u,30u,28u,18u,22u,6u,0u,16u,24u,4u,26u,14u,2u,8u,20u,10u,
- 20u,4u,16u,8u,14u,12u,2u,10u,30u,22u,18u,28u,6u,24u,26u,0u,
- 0u,2u,4u,6u,8u,10u,12u,14u,16u,18u,20u,22u,24u,26u,28u,30u,
- 28u,20u,8u,16u,18u,30u,26u,12u,2u,24u,0u,4u,22u,14u,10u,6u
-);
-
-// 64-bit unsigned addition within the compression buffer
-// Sets v[i,i+1] += b
-// LSb is the Least-Significant (32) Bits of b
-// MSb is the Most-Significant (32) Bits of b
-// If LSb overflows, increment MSb operand
-fn add_uint64 (v: ptr<function, array<u32, 32>>, i: u32, LSb: u32, MSb: u32) {
- var o0: u32 = (*v)[i] + LSb;
- var o1: u32 = (*v)[i+1u] + MSb;
- if ((*v)[i] > 0xFFFFFFFFu - LSb) {
- o1 = o1 + 1u;
- }
- (*v)[i] = o0;
- (*v)[i+1u] = o1;
-}
-
-// G Mixing function
-fn G (v: ptr<function, array<u32, 32>>, m: ptr<function, array<u32, 16>>, a: u32, b: u32, c: u32, d: u32, ix: u32, iy: u32) {
- add_uint64(v, a, (*v)[b], (*v)[b+1u]);
- add_uint64(v, a, (*m)[ix], (*m)[ix+1u]);
-
- // v[d,d+1] = (v[d,d+1] xor v[a,a+1]) rotated to the right by 32 bits
- var xor0: u32 = (*v)[d] ^ (*v)[a];
- var xor1: u32 = (*v)[d+1u] ^ (*v)[a+1u];
- (*v)[d] = xor1;
- (*v)[d+1u] = xor0;
-
- add_uint64(v, c, (*v)[d], (*v)[d+1u]);
-
- // v[b,b+1] = (v[b,b+1] xor v[c,c+1]) rotated right by 24 bits
- xor0 = (*v)[b] ^ (*v)[c];
- xor1 = (*v)[b+1u] ^ (*v)[c+1u];
- (*v)[b] = (xor0 >> 24u) ^ (xor1 << 8u);
- (*v)[b+1u] = (xor1 >> 24u) ^ (xor0 << 8u);
-
- add_uint64(v, a, (*v)[b], (*v)[b+1u]);
- add_uint64(v, a, (*m)[iy], (*m)[iy+1u]);
-
- // v[d,d+1] = (v[d,d+1] xor v[a,a+1]) rotated right by 16 bits
- xor0 = (*v)[d] ^ (*v)[a];
- xor1 = (*v)[d+1u] ^ (*v)[a+1u];
- (*v)[d] = (xor0 >> 16u) ^ (xor1 << 16u);
- (*v)[d+1u] = (xor1 >> 16u) ^ (xor0 << 16u);
-
- add_uint64(v, c, (*v)[d], (*v)[d+1u]);
-
- // v[b,b+1] = (v[b,b+1] xor v[c,c+1]) rotated right by 63 bits
- xor0 = (*v)[b] ^ (*v)[c];
- xor1 = (*v)[b+1u] ^ (*v)[c+1u];
- (*v)[b] = (xor1 >> 31u) ^ (xor0 << 1u);
- (*v)[b+1u] = (xor0 >> 31u) ^ (xor1 << 1u);
-}
-
-// Main compute function
-// 8-byte work is split into two 4-byte u32. Low 4 bytes are random u32 from
-// UBO. High 4 bytes are the random value XOR'd with index of each thread.
-@compute @workgroup_size(${this.workload})
-fn main(
- @builtin(workgroup_id) workgroup_id: vec3<u32>,
- @builtin(local_invocation_id) local_id: vec3<u32>
-) {
- if (atomicLoad(&work.found) != 0u) { return; }
-
- let threshold: u32 = ubo.threshold;
-
- // Flatten 3D workgroup and local identifiers into u32 for each thread
- var id: u32 = ((workgroup_id.x & 0xff) << 24) |
- ((workgroup_id.y & 0xff) << 16) |
- ((workgroup_id.z & 0xff) << 8) |
- (local_id.x & 0xff);
-
- // Initialize (nonce||blockhash) concatenation
- var m: array<u32, 16>;
- m[0u] = ubo.random;
- m[1u] = ubo.random ^ id;
- m[2u] = ubo.blockhash[0u].x;
- m[3u] = ubo.blockhash[0u].y;
- m[4u] = ubo.blockhash[0u].z;
- m[5u] = ubo.blockhash[0u].w;
- m[6u] = ubo.blockhash[1u].x;
- m[7u] = ubo.blockhash[1u].y;
- m[8u] = ubo.blockhash[1u].z;
- m[9u] = ubo.blockhash[1u].w;
-
-
- // Compression buffer intialized to 2 instances of initialization vector
- // The following values have been modified from the BLAKE2B_IV:
- // OUTLEN is constant 8 bytes
- // v[0u] ^= 0x01010000u ^ uint(OUTLEN);
- // INLEN is constant 40 bytes: work value (8) + block hash (32)
- // v[24u] ^= uint(INLEN);
- // It is always the "last" compression at this INLEN
- // v[28u] = ~v[28u];
- // v[29u] = ~v[29u];
- var v = array<u32, 32>(
- 0xF2BDC900u, 0x6A09E667u, 0x84CAA73Bu, 0xBB67AE85u,
- 0xFE94F82Bu, 0x3C6EF372u, 0x5F1D36F1u, 0xA54FF53Au,
- 0xADE682D1u, 0x510E527Fu, 0x2B3E6C1Fu, 0x9B05688Cu,
- 0xFB41BD6Bu, 0x1F83D9ABu, 0x137E2179u, 0x5BE0CD19u,
- 0xF3BCC908u, 0x6A09E667u, 0x84CAA73Bu, 0xBB67AE85u,
- 0xFE94F82Bu, 0x3C6EF372u, 0x5F1D36F1u, 0xA54FF53Au,
- 0xADE682F9u, 0x510E527Fu, 0x2B3E6C1Fu, 0x9B05688Cu,
- 0x04BE4294u, 0xE07C2654u, 0x137E2179u, 0x5BE0CD19u
- );
-
- // Twelve rounds of mixing as part of BLAKE2b compression step
- for (var r: u32 = 0u; r < 12u; r = r + 1u) {
- G(&v, &m, 0u, 8u, 16u, 24u, SIGMA82[r * 16u + 0u], SIGMA82[r * 16u + 1u]);
- G(&v, &m, 2u, 10u, 18u, 26u, SIGMA82[r * 16u + 2u], SIGMA82[r * 16u + 3u]);
- G(&v, &m, 4u, 12u, 20u, 28u, SIGMA82[r * 16u + 4u], SIGMA82[r * 16u + 5u]);
- G(&v, &m, 6u, 14u, 22u, 30u, SIGMA82[r * 16u + 6u], SIGMA82[r * 16u + 7u]);
- G(&v, &m, 0u, 10u, 20u, 30u, SIGMA82[r * 16u + 8u], SIGMA82[r * 16u + 9u]);
- G(&v, &m, 2u, 12u, 22u, 24u, SIGMA82[r * 16u + 10u], SIGMA82[r * 16u + 11u]);
- G(&v, &m, 4u, 14u, 16u, 26u, SIGMA82[r * 16u + 12u], SIGMA82[r * 16u + 13u]);
- G(&v, &m, 6u, 8u, 18u, 28u, SIGMA82[r * 16u + 14u], SIGMA82[r * 16u + 15u]);
- }
-
- // Set nonce if it passes the threshold and no other thread has set it
- if ((BLAKE2B_IV32_1 ^ v[1u] ^ v[17u]) > threshold && atomicLoad(&work.found) == 0u) {
- atomicStore(&work.found, 1u);
- work.nonce.x = m[0];
- work.nonce.y = m[1];
- }
- return;
-}
-*/
gl_Position = position;
}
`
-
-export const NanoPowGlFragmentShader = `#version 300 es
-#pragma vscode_glsllint_stage: frag
-precision highp float;
-precision highp int;
-
-in vec2 uv_pos;
-out vec4 fragColor;
-
-// blockhash - array of precalculated block hash components
-// threshold - 0xfffffff8 for send/change blocks, 0xfffffe00 for all else
-// workload - Defines canvas size
-layout(std140) uniform UBO {
- uint blockhash[8];
- uint threshold;
- float workload;
-};
-
-// Random work values
-// First 2 bytes will be overwritten by texture pixel position
-// Second 2 bytes will be modified if the canvas size is greater than 256x256
-// Last 4 bytes remain as generated externally
-layout(std140) uniform WORK {
- uvec4 work[2];
-};
-
-// Defined separately from uint v[32] below as the original value is required
-// to calculate the second uint32 of the digest for threshold comparison
-const uint BLAKE2B_IV32_1 = 0x6A09E667u;
-
-// Both buffers represent 16 uint64s as 32 uint32s
-// because that's what GLSL offers, just like Javascript
-
-// Compression buffer, intialized to 2 instances of the initialization vector
-// The following values have been modified from the BLAKE2B_IV:
-// OUTLEN is constant 8 bytes
-// v[0] ^= 0x01010000u ^ uint(OUTLEN);
-// INLEN is constant 40 bytes: work value (8) + block hash (32)
-// v[24] ^= uint(INLEN);
-// It's always the "last" compression at this INLEN
-// v[28] = ~v[28];
-// v[29] = ~v[29];
-uint v[32] = uint[32](
- 0xF2BDC900u, 0x6A09E667u, 0x84CAA73Bu, 0xBB67AE85u,
- 0xFE94F82Bu, 0x3C6EF372u, 0x5F1D36F1u, 0xA54FF53Au,
- 0xADE682D1u, 0x510E527Fu, 0x2B3E6C1Fu, 0x9B05688Cu,
- 0xFB41BD6Bu, 0x1F83D9ABu, 0x137E2179u, 0x5BE0CD19u,
- 0xF3BCC908u, 0x6A09E667u, 0x84CAA73Bu, 0xBB67AE85u,
- 0xFE94F82Bu, 0x3C6EF372u, 0x5F1D36F1u, 0xA54FF53Au,
- 0xADE682F9u, 0x510E527Fu, 0x2B3E6C1Fu, 0x9B05688Cu,
- 0x04BE4294u, 0xE07C2654u, 0x137E2179u, 0x5BE0CD19u
-);
-// Input data buffer
-uint m[32];
-
-// These are offsets into the input data buffer for each mixing step.
-// They are multiplied by 2 from the original SIGMA values in
-// the C reference implementation, which refered to uint64s.
-const uint SIGMA82[192] = uint[192](
- 0u,2u,4u,6u,8u,10u,12u,14u,16u,18u,20u,22u,24u,26u,28u,30u,
- 28u,20u,8u,16u,18u,30u,26u,12u,2u,24u,0u,4u,22u,14u,10u,6u,
- 22u,16u,24u,0u,10u,4u,30u,26u,20u,28u,6u,12u,14u,2u,18u,8u,
- 14u,18u,6u,2u,26u,24u,22u,28u,4u,12u,10u,20u,8u,0u,30u,16u,
- 18u,0u,10u,14u,4u,8u,20u,30u,28u,2u,22u,24u,12u,16u,6u,26u,
- 4u,24u,12u,20u,0u,22u,16u,6u,8u,26u,14u,10u,30u,28u,2u,18u,
- 24u,10u,2u,30u,28u,26u,8u,20u,0u,14u,12u,6u,18u,4u,16u,22u,
- 26u,22u,14u,28u,24u,2u,6u,18u,10u,0u,30u,8u,16u,12u,4u,20u,
- 12u,30u,28u,18u,22u,6u,0u,16u,24u,4u,26u,14u,2u,8u,20u,10u,
- 20u,4u,16u,8u,14u,12u,2u,10u,30u,22u,18u,28u,6u,24u,26u,0u,
- 0u,2u,4u,6u,8u,10u,12u,14u,16u,18u,20u,22u,24u,26u,28u,30u,
- 28u,20u,8u,16u,18u,30u,26u,12u,2u,24u,0u,4u,22u,14u,10u,6u
-);
-
-// G mixing function
-void G (uint ix, uint iy, uint a, uint b, uint c, uint d) {
- uint o0;
- uint o1;
- uint xor0;
- uint xor1;
-
- // a = a + b;
- o0 = v[a] + v[b];
- o1 = v[a+1u] + v[b+1u];
- if (v[a] > 0xFFFFFFFFu - v[b]) {
- o1 = o1 + 1u;
- }
- v[a] = o0;
- v[a+1u] = o1;
-
- // a = a + m[sigma[r][2*i+0]];
- o0 = v[a] + m[ix];
- o1 = v[a+1u] + m[ix+1u];
- if (v[a] > 0xFFFFFFFFu - m[ix]) {
- o1 = o1 + 1u;
- }
- v[a] = o0;
- v[a+1u] = o1;
-
- // d = rotr64(d ^ a, 32);
- xor0 = v[d] ^ v[a];
- xor1 = v[d+1u] ^ v[a+1u];
- v[d] = xor1;
- v[d+1u] = xor0;
-
- // c = c + d;
- o0 = v[c] + v[d];
- o1 = v[c+1u] + v[d+1u];
- if (v[c] > 0xFFFFFFFFu - v[d]) {
- o1 = o1 + 1u;
- }
- v[c] = o0;
- v[c+1u] = o1;
-
- // b = rotr64(b ^ c, 24);
- xor0 = v[b] ^ v[c];
- xor1 = v[b+1u] ^ v[c+1u];
- v[b] = (xor0 >> 24u) ^ (xor1 << 8u);
- v[b+1u] = (xor1 >> 24u) ^ (xor0 << 8u);
-
- // a = a + b;
- o0 = v[a] + v[b];
- o1 = v[a+1u] + v[b+1u];
- if (v[a] > 0xFFFFFFFFu - v[b]) {
- o1 = o1 + 1u;
- }
- v[a] = o0;
- v[a+1u] = o1;
-
- // a = a + m[sigma[r][2*i+1]];
- o0 = v[a] + m[iy];
- o1 = v[a+1u] + m[iy+1u];
- if (v[a] > 0xFFFFFFFFu - m[iy]) {
- o1 = o1 + 1u;
- }
- v[a] = o0;
- v[a+1u] = o1;
-
- // d = rotr64(d ^ a, 16)
- xor0 = v[d] ^ v[a];
- xor1 = v[d+1u] ^ v[a+1u];
- v[d] = (xor0 >> 16u) ^ (xor1 << 16u);
- v[d+1u] = (xor1 >> 16u) ^ (xor0 << 16u);
-
- // c = c + d;
- o0 = v[c] + v[d];
- o1 = v[c+1u] + v[d+1u];
- if (v[c] > 0xFFFFFFFFu - v[d]) {
- o1 = o1 + 1u;
- }
- v[c] = o0;
- v[c+1u] = o1;
-
- // b = rotr64(b ^ c, 63)
- xor0 = v[b] ^ v[c];
- xor1 = v[b+1u] ^ v[c+1u];
- v[b] = (xor1 >> 31u) ^ (xor0 << 1u);
- v[b+1u] = (xor0 >> 31u) ^ (xor1 << 1u);
-}
-
-void main() {
- int i;
- uvec4 u_work0 = work[0u];
- uvec4 u_work1 = work[1u];
- uint uv_x = uint(uv_pos.x * workload);
- uint uv_y = uint(uv_pos.y * workload);
- uint x_pos = uv_x % 256u;
- uint y_pos = uv_y % 256u;
- uint x_index = (uv_x - x_pos) / 256u;
- uint y_index = (uv_y - y_pos) / 256u;
-
- // First 2 work bytes are the x,y pos within the 256x256 area, the next
- // two bytes are modified from the random generated value, XOR'd with
- // the x,y area index of where this pixel is located
- m[0u] = (x_pos ^ (y_pos << 8u) ^ ((u_work0.b ^ x_index) << 16u) ^ ((u_work0.a ^ y_index) << 24u));
-
- // Remaining bytes are un-modified from the random generated value
- m[1u] = (u_work1.r ^ (u_work1.g << 8u) ^ (u_work1.b << 16u) ^ (u_work1.a << 24u));
-
- // Block hash
- for (uint i = 0u; i < 8u; i = i + 1u) {
- m[i+2u] = blockhash[i];
- }
-
- // twelve rounds of mixing
- for(uint i = 0u; i < 12u; i = i + 1u) {
- G(SIGMA82[i * 16u + 0u], SIGMA82[i * 16u + 1u], 0u, 8u, 16u, 24u);
- G(SIGMA82[i * 16u + 2u], SIGMA82[i * 16u + 3u], 2u, 10u, 18u, 26u);
- G(SIGMA82[i * 16u + 4u], SIGMA82[i * 16u + 5u], 4u, 12u, 20u, 28u);
- G(SIGMA82[i * 16u + 6u], SIGMA82[i * 16u + 7u], 6u, 14u, 22u, 30u);
- G(SIGMA82[i * 16u + 8u], SIGMA82[i * 16u + 9u], 0u, 10u, 20u, 30u);
- G(SIGMA82[i * 16u + 10u], SIGMA82[i * 16u + 11u], 2u, 12u, 22u, 24u);
- G(SIGMA82[i * 16u + 12u], SIGMA82[i * 16u + 13u], 4u, 14u, 16u, 26u);
- G(SIGMA82[i * 16u + 14u], SIGMA82[i * 16u + 15u], 6u, 8u, 18u, 28u);
- }
-
- // Pixel data is multipled by threshold test result (0 or 1)
- // First 4 bytes insignificant, only calculate digest of second 4 bytes
- if ((BLAKE2B_IV32_1 ^ v[1u] ^ v[17u]) > threshold) {
- fragColor = vec4(
- float(x_index + 1u)/255.0, // +1 to distinguish from 0 (unsuccessful) pixels
- float(y_index + 1u)/255.0, // Same as previous
- float(x_pos)/255.0, // Return the 2 custom bytes used in work value
- float(y_pos)/255.0 // Second custom byte
- );
- } else {
- discard;
- }
-}
-`
-
-export const NanoPowGpuComputeShader = `
-struct UBO {
- blockhash: array<vec4<u32>, 2>,
- random: u32,
- threshold: u32
-};
-@group(0) @binding(0) var<uniform> ubo: UBO;
-
-struct WORK {
- nonce: vec2<u32>,
- found: atomic<u32>
-};
-@group(0) @binding(1) var<storage, read_write> work: WORK;
-
-/**
-* Defined separately from uint v[32] below as the original value is required
-* to calculate the second uint32 of the digest for threshold comparison
-*/
-const BLAKE2B_IV32_1: u32 = 0x6A09E667u;
-
-/**
-* These are offsets into the input data buffer for each mixing step.
-* They are multiplied by 2 from the original SIGMA values in
-* the C reference implementation, which refered to uint64s.
-*
-* const SIGMA82: array<u32, 192> = array<u32, 192>(
-* 0u,2u,4u,6u,8u,10u,12u,14u,16u,18u,20u,22u,24u,26u,28u,30u,
-* 28u,20u,8u,16u,18u,30u,26u,12u,2u,24u,0u,4u,22u,14u,10u,6u,
-* 22u,16u,24u,0u,10u,4u,30u,26u,20u,28u,6u,12u,14u,2u,18u,8u,
-* 14u,18u,6u,2u,26u,24u,22u,28u,4u,12u,10u,20u,8u,0u,30u,16u,
-* 18u,0u,10u,14u,4u,8u,20u,30u,28u,2u,22u,24u,12u,16u,6u,26u,
-* 4u,24u,12u,20u,0u,22u,16u,6u,8u,26u,14u,10u,30u,28u,2u,18u,
-* 24u,10u,2u,30u,28u,26u,8u,20u,0u,14u,12u,6u,18u,4u,16u,22u,
-* 26u,22u,14u,28u,24u,2u,6u,18u,10u,0u,30u,8u,16u,12u,4u,20u,
-* 12u,30u,28u,18u,22u,6u,0u,16u,24u,4u,26u,14u,2u,8u,20u,10u,
-* 20u,4u,16u,8u,14u,12u,2u,10u,30u,22u,18u,28u,6u,24u,26u,0u,
-* 0u,2u,4u,6u,8u,10u,12u,14u,16u,18u,20u,22u,24u,26u,28u,30u,
-* 28u,20u,8u,16u,18u,30u,26u,12u,2u,24u,0u,4u,22u,14u,10u,6u
-* );
-*/
-
-/**
-* G Mixing function
-*/
-fn G (
- va0: ptr<function, u32>, va1: ptr<function, u32>,
- vb0: ptr<function, u32>, vb1: ptr<function, u32>,
- vc0: ptr<function, u32>, vc1: ptr<function, u32>,
- vd0: ptr<function, u32>, vd1: ptr<function, u32>,
- mx0: u32, mx1: u32, my0: u32, my1: u32
-) {
- var o0: u32;
- var o1: u32;
- var xor0: u32;
- var xor1: u32;
-
- // a = a + b;
- o0 = *va0 + *vb0;
- o1 = *va1 + *vb1;
- if (*va0 > 0xFFFFFFFFu - *vb0) {
- o1 = o1 + 1u;
- }
- *va0 = o0;
- *va1 = o1;
-
- // a = a + m[sigma[r][2*i+0]];
- o0 = *va0 + mx0;
- o1 = *va1 + mx1;
- if (*va0 > 0xFFFFFFFFu - mx0) {
- o1 = o1 + 1u;
- }
- *va0 = o0;
- *va1 = o1;
-
- // d = rotr64(d ^ a, 32);
- xor0 = *vd0 ^ *va0;
- xor1 = *vd1 ^ *va1;
- *vd0 = xor1;
- *vd1 = xor0;
-
- // c = c + d;
- o0 = *vc0 + *vd0;
- o1 = *vc1 + *vd1;
- if (*vc0 > 0xFFFFFFFFu - *vd0) {
- o1 = o1 + 1u;
- }
- *vc0 = o0;
- *vc1 = o1;
-
- // b = rotr64(b ^ c, 24);
- xor0 = *vb0 ^ *vc0;
- xor1 = *vb1 ^ *vc1;
- *vb0 = (xor0 >> 24u) ^ (xor1 << 8u);
- *vb1 = (xor1 >> 24u) ^ (xor0 << 8u);
-
- // a = a + b;
- o0 = *va0 + *vb0;
- o1 = *va1 + *vb1;
- if (*va0 > 0xFFFFFFFFu - *vb0) {
- o1 = o1 + 1u;
- }
- *va0 = o0;
- *va1 = o1;
-
- // a = a + m[sigma[r][2*i+1]];
- o0 = *va0 + my0;
- o1 = *va1 + my1;
- if (*va0 > 0xFFFFFFFFu - my0) {
- o1 = o1 + 1u;
- }
- *va0 = o0;
- *va1 = o1;
-
- // d = rotr64(d ^ a, 16)
- xor0 = *vd0 ^ *va0;
- xor1 = *vd1 ^ *va1;
- *vd0 = (xor0 >> 16u) ^ (xor1 << 16u);
- *vd1 = (xor1 >> 16u) ^ (xor0 << 16u);
-
- // c = c + d;
- o0 = *vc0 + *vd0;
- o1 = *vc1 + *vd1;
- if (*vc0 > 0xFFFFFFFFu - *vd0) {
- o1 = o1 + 1u;
- }
- *vc0 = o0;
- *vc1 = o1;
-
- // b = rotr64(b ^ c, 63)
- xor0 = *vb0 ^ *vc0;
- xor1 = *vb1 ^ *vc1;
- *vb0 = (xor1 >> 31u) ^ (xor0 << 1u);
- *vb1 = (xor0 >> 31u) ^ (xor1 << 1u);
-}
-
-/**
-* Main compute function
-* 8-byte work is split into two 4-byte u32. Low 4 bytes are random u32 from
-* UBO. High 4 bytes are the random value XOR'd with index of each thread.
-*/
-@compute @workgroup_size(64)
-fn main(
- @builtin(workgroup_id) workgroup_id: vec3<u32>,
- @builtin(local_invocation_id) local_id: vec3<u32>
-) {
- if (atomicLoad(&work.found) != 0u) { return; }
-
- let threshold: u32 = ubo.threshold;
-
- /**
- * Flatten 3D workgroup and local identifiers into u32 for each thread
- */
- var id: u32 = ((workgroup_id.x & 0xFFu) << 24u) |
- ((workgroup_id.y & 0xFFu) << 16u) |
- ((workgroup_id.z & 0xFFu) << 8u) |
- (local_id.x & 0xFFu);
-
- /**
- * Initialize (nonce||blockhash) concatenation
- */
- var m0: u32 = ubo.random;
- var m1: u32 = ubo.random ^ id;
- var m2: u32 = ubo.blockhash[0u].x;
- var m3: u32 = ubo.blockhash[0u].y;
- var m4: u32 = ubo.blockhash[0u].z;
- var m5: u32 = ubo.blockhash[0u].w;
- var m6: u32 = ubo.blockhash[1u].x;
- var m7: u32 = ubo.blockhash[1u].y;
- var m8: u32 = ubo.blockhash[1u].z;
- var m9: u32 = ubo.blockhash[1u].w;
-
- /**
- * Compression buffer intialized to 2 instances of initialization vector
- * The following values have been modified from the BLAKE2B_IV:
- * OUTLEN is constant 8 bytes
- * v[0u] ^= 0x01010000u ^ uint(OUTLEN);
- * INLEN is constant 40 bytes: work value (8) + block hash (32)
- * v[24u] ^= uint(INLEN);
- * It is always the "last" compression at this INLEN
- * v[28u] = ~v[28u];
- * v[29u] = ~v[29u];
- */
- var v0: u32 = 0xF2BDC900u;
- var v1: u32 = 0x6A09E667u;
- var v2: u32 = 0x84CAA73Bu;
- var v3: u32 = 0xBB67AE85u;
- var v4: u32 = 0xFE94F82Bu;
- var v5: u32 = 0x3C6EF372u;
- var v6: u32 = 0x5F1D36F1u;
- var v7: u32 = 0xA54FF53Au;
- var v8: u32 = 0xADE682D1u;
- var v9: u32 = 0x510E527Fu;
- var v10: u32 = 0x2B3E6C1Fu;
- var v11: u32 = 0x9B05688Cu;
- var v12: u32 = 0xFB41BD6Bu;
- var v13: u32 = 0x1F83D9ABu;
- var v14: u32 = 0x137E2179u;
- var v15: u32 = 0x5BE0CD19u;
- var v16: u32 = 0xF3BCC908u;
- var v17: u32 = 0x6A09E667u;
- var v18: u32 = 0x84CAA73Bu;
- var v19: u32 = 0xBB67AE85u;
- var v20: u32 = 0xFE94F82Bu;
- var v21: u32 = 0x3C6EF372u;
- var v22: u32 = 0x5F1D36F1u;
- var v23: u32 = 0xA54FF53Au;
- var v24: u32 = 0xADE682F9u;
- var v25: u32 = 0x510E527Fu;
- var v26: u32 = 0x2B3E6C1Fu;
- var v27: u32 = 0x9B05688Cu;
- var v28: u32 = 0x04BE4294u;
- var v29: u32 = 0xE07C2654u;
- var v30: u32 = 0x137E2179u;
- var v31: u32 = 0x5BE0CD19u;
-
- /**
- * Twelve rounds of mixing as part of BLAKE2b compression step
- */
- // ROUND(0)
- G(&v0, &v1, &v8, &v9, &v16, &v17, &v24, &v25, m0, m1, m2, m3);
- G(&v2, &v3, &v10, &v11, &v18, &v19, &v26, &v27, m4, m5, m6, m7);
- G(&v4, &v5, &v12, &v13, &v20, &v21, &v28, &v29, m8, m9, 0u, 0u);
- G(&v6, &v7, &v14, &v15, &v22, &v23, &v30, &v31, 0u, 0u, 0u, 0u);
- G(&v0, &v1, &v10, &v11, &v20, &v21, &v30, &v31, 0u, 0u, 0u, 0u);
- G(&v2, &v3, &v12, &v13, &v22, &v23, &v24, &v25, 0u, 0u, 0u, 0u);
- G(&v4, &v5, &v14, &v15, &v16, &v17, &v26, &v27, 0u, 0u, 0u, 0u);
- G(&v6, &v7, &v8, &v9, &v18, &v19, &v28, &v29, 0u, 0u, 0u, 0u);
-
- // ROUND(1)
- G(&v0, &v1, &v8, &v9, &v16, &v17, &v24, &v25, 0u, 0u, 0u, 0u);
- G(&v2, &v3, &v10, &v11, &v18, &v19, &v26, &v27, m8, m9, 0u, 0u);
- G(&v4, &v5, &v12, &v13, &v20, &v21, &v28, &v29, 0u, 0u, 0u, 0u);
- G(&v6, &v7, &v14, &v15, &v22, &v23, &v30, &v31, 0u, 0u, 0u, 0u);
- G(&v0, &v1, &v10, &v11, &v20, &v21, &v30, &v31, m2, m3, 0u, 0u);
- G(&v2, &v3, &v12, &v13, &v22, &v23, &v24, &v25, m0, m1, m4, m5);
- G(&v4, &v5, &v14, &v15, &v16, &v17, &v26, &v27, 0u, 0u, 0u, 0u);
- G(&v6, &v7, &v8, &v9, &v18, &v19, &v28, &v29, 0u, 0u, m6, m7);
-
- // ROUND(2)
- G(&v0, &v1, &v8, &v9, &v16, &v17, &v24, &v25, 0u, 0u, 0u, 0u);
- G(&v2, &v3, &v10, &v11, &v18, &v19, &v26, &v27, 0u, 0u, m0, m1);
- G(&v4, &v5, &v12, &v13, &v20, &v21, &v28, &v29, 0u, 0u, m4, m5);
- G(&v6, &v7, &v14, &v15, &v22, &v23, &v30, &v31, 0u, 0u, 0u, 0u);
- G(&v0, &v1, &v10, &v11, &v20, &v21, &v30, &v31, 0u, 0u, 0u, 0u);
- G(&v2, &v3, &v12, &v13, &v22, &v23, &v24, &v25, m6, m7, 0u, 0u);
- G(&v4, &v5, &v14, &v15, &v16, &v17, &v26, &v27, 0u, 0u, m2, m3);
- G(&v6, &v7, &v8, &v9, &v18, &v19, &v28, &v29, 0u, 0u, m8, m9);
-
- // ROUND(3)
- G(&v0, &v1, &v8, &v9, &v16, &v17, &v24, &v25, 0u, 0u, 0u, 0u);
- G(&v2, &v3, &v10, &v11, &v18, &v19, &v26, &v27, m6, m7, m2, m3);
- G(&v4, &v5, &v12, &v13, &v20, &v21, &v28, &v29, 0u, 0u, 0u, 0u);
- G(&v6, &v7, &v14, &v15, &v22, &v23, &v30, &v31, 0u, 0u, 0u, 0u);
- G(&v0, &v1, &v10, &v11, &v20, &v21, &v30, &v31, m4, m5, 0u, 0u);
- G(&v2, &v3, &v12, &v13, &v22, &v23, &v24, &v25, 0u, 0u, 0u, 0u);
- G(&v4, &v5, &v14, &v15, &v16, &v17, &v26, &v27, m8, m9, m0, m1);
- G(&v6, &v7, &v8, &v9, &v18, &v19, &v28, &v29, 0u, 0u, 0u, 0u);
-
- // ROUND(4)
- G(&v0, &v1, &v8, &v9, &v16, &v17, &v24, &v25, 0u, 0u, m0, m1);
- G(&v2, &v3, &v10, &v11, &v18, &v19, &v26, &v27, 0u, 0u, 0u, 0u);
- G(&v4, &v5, &v12, &v13, &v20, &v21, &v28, &v29, m4, m5, m8, m9);
- G(&v6, &v7, &v14, &v15, &v22, &v23, &v30, &v31, 0u, 0u, 0u, 0u);
- G(&v0, &v1, &v10, &v11, &v20, &v21, &v30, &v31, 0u, 0u, m2, m3);
- G(&v2, &v3, &v12, &v13, &v22, &v23, &v24, &v25, 0u, 0u, 0u, 0u);
- G(&v4, &v5, &v14, &v15, &v16, &v17, &v26, &v27, 0u, 0u, 0u, 0u);
- G(&v6, &v7, &v8, &v9, &v18, &v19, &v28, &v29, m6, m7, 0u, 0u);
-
- // ROUND(5)
- G(&v0, &v1, &v8, &v9, &v16, &v17, &v24, &v25, m4, m5, 0u, 0u);
- G(&v2, &v3, &v10, &v11, &v18, &v19, &v26, &v27, 0u, 0u, 0u, 0u);
- G(&v4, &v5, &v12, &v13, &v20, &v21, &v28, &v29, m0, m1, 0u, 0u);
- G(&v6, &v7, &v14, &v15, &v22, &v23, &v30, &v31, 0u, 0u, m6, m7);
- G(&v0, &v1, &v10, &v11, &v20, &v21, &v30, &v31, m8, m9, 0u, 0u);
- G(&v2, &v3, &v12, &v13, &v22, &v23, &v24, &v25, 0u, 0u, 0u, 0u);
- G(&v4, &v5, &v14, &v15, &v16, &v17, &v26, &v27, 0u, 0u, 0u, 0u);
- G(&v6, &v7, &v8, &v9, &v18, &v19, &v28, &v29, m2, m3, 0u, 0u);
-
- // ROUND(6)
- G(&v0, &v1, &v8, &v9, &v16, &v17, &v24, &v25, 0u, 0u, 0u, 0u);
- G(&v2, &v3, &v10, &v11, &v18, &v19, &v26, &v27, m2, m3, 0u, 0u);
- G(&v4, &v5, &v12, &v13, &v20, &v21, &v28, &v29, 0u, 0u, 0u, 0u);
- G(&v6, &v7, &v14, &v15, &v22, &v23, &v30, &v31, m8, m9, 0u, 0u);
- G(&v0, &v1, &v10, &v11, &v20, &v21, &v30, &v31, m0, m1, 0u, 0u);
- G(&v2, &v3, &v12, &v13, &v22, &v23, &v24, &v25, 0u, 0u, m6, m7);
- G(&v4, &v5, &v14, &v15, &v16, &v17, &v26, &v27, 0u, 0u, m4, m5);
- G(&v6, &v7, &v8, &v9, &v18, &v19, &v28, &v29, 0u, 0u, 0u, 0u);
-
- // ROUND(7)
- G(&v0, &v1, &v8, &v9, &v16, &v17, &v24, &v25, 0u, 0u, 0u, 0u);
- G(&v2, &v3, &v10, &v11, &v18, &v19, &v26, &v27, 0u, 0u, 0u, 0u);
- G(&v4, &v5, &v12, &v13, &v20, &v21, &v28, &v29, 0u, 0u, m2, m3);
- G(&v6, &v7, &v14, &v15, &v22, &v23, &v30, &v31, m6, m7, 0u, 0u);
- G(&v0, &v1, &v10, &v11, &v20, &v21, &v30, &v31, 0u, 0u, m0, m1);
- G(&v2, &v3, &v12, &v13, &v22, &v23, &v24, &v25, 0u, 0u, m8, m9);
- G(&v4, &v5, &v14, &v15, &v16, &v17, &v26, &v27, 0u, 0u, 0u, 0u);
- G(&v6, &v7, &v8, &v9, &v18, &v19, &v28, &v29, m4, m5, 0u, 0u);
-
- // ROUND(8)
- G(&v0, &v1, &v8, &v9, &v16, &v17, &v24, &v25, 0u, 0u, 0u, 0u);
- G(&v2, &v3, &v10, &v11, &v18, &v19, &v26, &v27, 0u, 0u, 0u, 0u);
- G(&v4, &v5, &v12, &v13, &v20, &v21, &v28, &v29, 0u, 0u, m6, m7);
- G(&v6, &v7, &v14, &v15, &v22, &v23, &v30, &v31, m0, m1, 0u, 0u);
- G(&v0, &v1, &v10, &v11, &v20, &v21, &v30, &v31, 0u, 0u, m4, m5);
- G(&v2, &v3, &v12, &v13, &v22, &v23, &v24, &v25, 0u, 0u, 0u, 0u);
- G(&v4, &v5, &v14, &v15, &v16, &v17, &v26, &v27, m2, m3, m8, m9);
- G(&v6, &v7, &v8, &v9, &v18, &v19, &v28, &v29, 0u, 0u, 0u, 0u);
-
- // ROUND(9)
- G(&v0, &v1, &v8, &v9, &v16, &v17, &v24, &v25, 0u, 0u, m4, m5);
- G(&v2, &v3, &v10, &v11, &v18, &v19, &v26, &v27, 0u, 0u, m8, m9);
- G(&v4, &v5, &v12, &v13, &v20, &v21, &v28, &v29, 0u, 0u, 0u, 0u);
- G(&v6, &v7, &v14, &v15, &v22, &v23, &v30, &v31, m2, m3, 0u, 0u);
- G(&v0, &v1, &v10, &v11, &v20, &v21, &v30, &v31, 0u, 0u, 0u, 0u);
- G(&v2, &v3, &v12, &v13, &v22, &v23, &v24, &v25, 0u, 0u, 0u, 0u);
- G(&v4, &v5, &v14, &v15, &v16, &v17, &v26, &v27, m6, m7, 0u, 0u);
- G(&v6, &v7, &v8, &v9, &v18, &v19, &v28, &v29, 0u, 0u, m0, m1);
-
- // ROUND(10)
- G(&v0, &v1, &v8, &v9, &v16, &v17, &v24, &v25, m0, m1, m2, m3);
- G(&v2, &v3, &v10, &v11, &v18, &v19, &v26, &v27, m4, m5, m6, m7);
- G(&v4, &v5, &v12, &v13, &v20, &v21, &v28, &v29, m8, m9, 0u, 0u);
- G(&v6, &v7, &v14, &v15, &v22, &v23, &v30, &v31, 0u, 0u, 0u, 0u);
- G(&v0, &v1, &v10, &v11, &v20, &v21, &v30, &v31, 0u, 0u, 0u, 0u);
- G(&v2, &v3, &v12, &v13, &v22, &v23, &v24, &v25, 0u, 0u, 0u, 0u);
- G(&v4, &v5, &v14, &v15, &v16, &v17, &v26, &v27, 0u, 0u, 0u, 0u);
- G(&v6, &v7, &v8, &v9, &v18, &v19, &v28, &v29, 0u, 0u, 0u, 0u);
-
- // ROUND(11)
- G(&v0, &v1, &v8, &v9, &v16, &v17, &v24, &v25, 0u, 0u, 0u, 0u);
- G(&v2, &v3, &v10, &v11, &v18, &v19, &v26, &v27, m8, m9, 0u, 0u);
- G(&v4, &v5, &v12, &v13, &v20, &v21, &v28, &v29, 0u, 0u, 0u, 0u);
- G(&v6, &v7, &v14, &v15, &v22, &v23, &v30, &v31, 0u, 0u, 0u, 0u);
- G(&v0, &v1, &v10, &v11, &v20, &v21, &v30, &v31, m2, m3, 0u, 0u);
- G(&v2, &v3, &v12, &v13, &v22, &v23, &v24, &v25, m0, m1, m4, m5);
- G(&v4, &v5, &v14, &v15, &v16, &v17, &v26, &v27, 0u, 0u, 0u, 0u);
- G(&v6, &v7, &v8, &v9, &v18, &v19, &v28, &v29, 0u, 0u, m6, m7);
-
- /**
- * Set nonce if it passes the threshold and no other thread has set it
- */
- if ((BLAKE2B_IV32_1 ^ v1 ^ v17) > threshold && atomicLoad(&work.found) == 0u) {
- atomicStore(&work.found, 1u);
- work.nonce.x = m0;
- work.nonce.y = m1;
- }
- return;
-}
-`
-
-
-
-/**
-* The original NanoPow compute shader derived from nano-webgl-pow is saved in
-* this comment for reference purposes. It is not quite as performant as the
-* inlined version exported above.
-*/
-
-/*
-struct UBO {
- blockhash: array<vec4<u32>, 2>,
- random: u32,
- threshold: u32
-};
-@group(0) @binding(0) var<uniform> ubo: UBO;
-
-struct WORK {
- nonce: vec2<u32>,
- found: atomic<u32>
-};
-@group(0) @binding(1) var<storage, read_write> work: WORK;
-
-// Defined separately from uint v[32] below as the original value is required
-// to calculate the second uint32 of the digest for threshold comparison
-const BLAKE2B_IV32_1: u32 = 0x6A09E667u;
-
-// These are offsets into the input data buffer for each mixing step.
-// They are multiplied by 2 from the original SIGMA values in
-// the C reference implementation, which refered to uint64s.
-
-const SIGMA82: array<u32, 192> = array<u32, 192>(
- 0u,2u,4u,6u,8u,10u,12u,14u,16u,18u,20u,22u,24u,26u,28u,30u,
- 28u,20u,8u,16u,18u,30u,26u,12u,2u,24u,0u,4u,22u,14u,10u,6u,
- 22u,16u,24u,0u,10u,4u,30u,26u,20u,28u,6u,12u,14u,2u,18u,8u,
- 14u,18u,6u,2u,26u,24u,22u,28u,4u,12u,10u,20u,8u,0u,30u,16u,
- 18u,0u,10u,14u,4u,8u,20u,30u,28u,2u,22u,24u,12u,16u,6u,26u,
- 4u,24u,12u,20u,0u,22u,16u,6u,8u,26u,14u,10u,30u,28u,2u,18u,
- 24u,10u,2u,30u,28u,26u,8u,20u,0u,14u,12u,6u,18u,4u,16u,22u,
- 26u,22u,14u,28u,24u,2u,6u,18u,10u,0u,30u,8u,16u,12u,4u,20u,
- 12u,30u,28u,18u,22u,6u,0u,16u,24u,4u,26u,14u,2u,8u,20u,10u,
- 20u,4u,16u,8u,14u,12u,2u,10u,30u,22u,18u,28u,6u,24u,26u,0u,
- 0u,2u,4u,6u,8u,10u,12u,14u,16u,18u,20u,22u,24u,26u,28u,30u,
- 28u,20u,8u,16u,18u,30u,26u,12u,2u,24u,0u,4u,22u,14u,10u,6u
-);
-
-// 64-bit unsigned addition within the compression buffer
-// Sets v[i,i+1] += b
-// LSb is the Least-Significant (32) Bits of b
-// MSb is the Most-Significant (32) Bits of b
-// If LSb overflows, increment MSb operand
-fn add_uint64 (v: ptr<function, array<u32, 32>>, i: u32, LSb: u32, MSb: u32) {
- var o0: u32 = (*v)[i] + LSb;
- var o1: u32 = (*v)[i+1u] + MSb;
- if ((*v)[i] > 0xFFFFFFFFu - LSb) {
- o1 = o1 + 1u;
- }
- (*v)[i] = o0;
- (*v)[i+1u] = o1;
-}
-
-// G Mixing function
-fn G (v: ptr<function, array<u32, 32>>, m: ptr<function, array<u32, 16>>, a: u32, b: u32, c: u32, d: u32, ix: u32, iy: u32) {
- add_uint64(v, a, (*v)[b], (*v)[b+1u]);
- add_uint64(v, a, (*m)[ix], (*m)[ix+1u]);
-
- // v[d,d+1] = (v[d,d+1] xor v[a,a+1]) rotated to the right by 32 bits
- var xor0: u32 = (*v)[d] ^ (*v)[a];
- var xor1: u32 = (*v)[d+1u] ^ (*v)[a+1u];
- (*v)[d] = xor1;
- (*v)[d+1u] = xor0;
-
- add_uint64(v, c, (*v)[d], (*v)[d+1u]);
-
- // v[b,b+1] = (v[b,b+1] xor v[c,c+1]) rotated right by 24 bits
- xor0 = (*v)[b] ^ (*v)[c];
- xor1 = (*v)[b+1u] ^ (*v)[c+1u];
- (*v)[b] = (xor0 >> 24u) ^ (xor1 << 8u);
- (*v)[b+1u] = (xor1 >> 24u) ^ (xor0 << 8u);
-
- add_uint64(v, a, (*v)[b], (*v)[b+1u]);
- add_uint64(v, a, (*m)[iy], (*m)[iy+1u]);
-
- // v[d,d+1] = (v[d,d+1] xor v[a,a+1]) rotated right by 16 bits
- xor0 = (*v)[d] ^ (*v)[a];
- xor1 = (*v)[d+1u] ^ (*v)[a+1u];
- (*v)[d] = (xor0 >> 16u) ^ (xor1 << 16u);
- (*v)[d+1u] = (xor1 >> 16u) ^ (xor0 << 16u);
-
- add_uint64(v, c, (*v)[d], (*v)[d+1u]);
-
- // v[b,b+1] = (v[b,b+1] xor v[c,c+1]) rotated right by 63 bits
- xor0 = (*v)[b] ^ (*v)[c];
- xor1 = (*v)[b+1u] ^ (*v)[c+1u];
- (*v)[b] = (xor1 >> 31u) ^ (xor0 << 1u);
- (*v)[b+1u] = (xor0 >> 31u) ^ (xor1 << 1u);
-}
-
-// Main compute function
-// 8-byte work is split into two 4-byte u32. Low 4 bytes are random u32 from
-// UBO. High 4 bytes are the random value XOR'd with index of each thread.
-@compute @workgroup_size(${this.workload})
-fn main(
- @builtin(workgroup_id) workgroup_id: vec3<u32>,
- @builtin(local_invocation_id) local_id: vec3<u32>
-) {
- if (atomicLoad(&work.found) != 0u) { return; }
-
- let threshold: u32 = ubo.threshold;
-
- // Flatten 3D workgroup and local identifiers into u32 for each thread
- var id: u32 = ((workgroup_id.x & 0xff) << 24) |
- ((workgroup_id.y & 0xff) << 16) |
- ((workgroup_id.z & 0xff) << 8) |
- (local_id.x & 0xff);
-
- // Initialize (nonce||blockhash) concatenation
- var m: array<u32, 16>;
- m[0u] = ubo.random;
- m[1u] = ubo.random ^ id;
- m[2u] = ubo.blockhash[0u].x;
- m[3u] = ubo.blockhash[0u].y;
- m[4u] = ubo.blockhash[0u].z;
- m[5u] = ubo.blockhash[0u].w;
- m[6u] = ubo.blockhash[1u].x;
- m[7u] = ubo.blockhash[1u].y;
- m[8u] = ubo.blockhash[1u].z;
- m[9u] = ubo.blockhash[1u].w;
-
-
- // Compression buffer intialized to 2 instances of initialization vector
- // The following values have been modified from the BLAKE2B_IV:
- // OUTLEN is constant 8 bytes
- // v[0u] ^= 0x01010000u ^ uint(OUTLEN);
- // INLEN is constant 40 bytes: work value (8) + block hash (32)
- // v[24u] ^= uint(INLEN);
- // It is always the "last" compression at this INLEN
- // v[28u] = ~v[28u];
- // v[29u] = ~v[29u];
- var v = array<u32, 32>(
- 0xF2BDC900u, 0x6A09E667u, 0x84CAA73Bu, 0xBB67AE85u,
- 0xFE94F82Bu, 0x3C6EF372u, 0x5F1D36F1u, 0xA54FF53Au,
- 0xADE682D1u, 0x510E527Fu, 0x2B3E6C1Fu, 0x9B05688Cu,
- 0xFB41BD6Bu, 0x1F83D9ABu, 0x137E2179u, 0x5BE0CD19u,
- 0xF3BCC908u, 0x6A09E667u, 0x84CAA73Bu, 0xBB67AE85u,
- 0xFE94F82Bu, 0x3C6EF372u, 0x5F1D36F1u, 0xA54FF53Au,
- 0xADE682F9u, 0x510E527Fu, 0x2B3E6C1Fu, 0x9B05688Cu,
- 0x04BE4294u, 0xE07C2654u, 0x137E2179u, 0x5BE0CD19u
- );
-
- // Twelve rounds of mixing as part of BLAKE2b compression step
- for (var r: u32 = 0u; r < 12u; r = r + 1u) {
- G(&v, &m, 0u, 8u, 16u, 24u, SIGMA82[r * 16u + 0u], SIGMA82[r * 16u + 1u]);
- G(&v, &m, 2u, 10u, 18u, 26u, SIGMA82[r * 16u + 2u], SIGMA82[r * 16u + 3u]);
- G(&v, &m, 4u, 12u, 20u, 28u, SIGMA82[r * 16u + 4u], SIGMA82[r * 16u + 5u]);
- G(&v, &m, 6u, 14u, 22u, 30u, SIGMA82[r * 16u + 6u], SIGMA82[r * 16u + 7u]);
- G(&v, &m, 0u, 10u, 20u, 30u, SIGMA82[r * 16u + 8u], SIGMA82[r * 16u + 9u]);
- G(&v, &m, 2u, 12u, 22u, 24u, SIGMA82[r * 16u + 10u], SIGMA82[r * 16u + 11u]);
- G(&v, &m, 4u, 14u, 16u, 26u, SIGMA82[r * 16u + 12u], SIGMA82[r * 16u + 13u]);
- G(&v, &m, 6u, 8u, 18u, 28u, SIGMA82[r * 16u + 14u], SIGMA82[r * 16u + 15u]);
- }
-
- // Set nonce if it passes the threshold and no other thread has set it
- if ((BLAKE2B_IV32_1 ^ v[1u] ^ v[17u]) > threshold && atomicLoad(&work.found) == 0u) {
- atomicStore(&work.found, 1u);
- work.nonce.x = m[0];
- work.nonce.y = m[1];
- }
- return;
-}
-*/
-export const NanoPowGlVertexShader = `#version 300 es
-#pragma vscode_glsllint_stage: vert
-precision highp float;
-layout (location=0) in vec4 position;
-layout (location=1) in vec2 uv;
-
-out vec2 uv_pos;
-
-void main() {
- uv_pos = uv;
- gl_Position = position;
-}
-`
-
-export const NanoPowGlFragmentShader = `#version 300 es
-#pragma vscode_glsllint_stage: frag
-precision highp float;
-precision highp int;
-
-in vec2 uv_pos;
-out vec4 fragColor;
-
-// blockhash - array of precalculated block hash components
-// threshold - 0xfffffff8 for send/change blocks, 0xfffffe00 for all else
-// workload - Defines canvas size
-layout(std140) uniform UBO {
- uint blockhash[8];
- uint threshold;
- float workload;
-};
-
-// Random work values
-// First 2 bytes will be overwritten by texture pixel position
-// Second 2 bytes will be modified if the canvas size is greater than 256x256
-// Last 4 bytes remain as generated externally
-layout(std140) uniform WORK {
- uvec4 work[2];
-};
-
-// Defined separately from uint v[32] below as the original value is required
-// to calculate the second uint32 of the digest for threshold comparison
-const uint BLAKE2B_IV32_1 = 0x6A09E667u;
-
-// Both buffers represent 16 uint64s as 32 uint32s
-// because that's what GLSL offers, just like Javascript
-
-// Compression buffer, intialized to 2 instances of the initialization vector
-// The following values have been modified from the BLAKE2B_IV:
-// OUTLEN is constant 8 bytes
-// v[0] ^= 0x01010000u ^ uint(OUTLEN);
-// INLEN is constant 40 bytes: work value (8) + block hash (32)
-// v[24] ^= uint(INLEN);
-// It's always the "last" compression at this INLEN
-// v[28] = ~v[28];
-// v[29] = ~v[29];
-uint v[32] = uint[32](
- 0xF2BDC900u, 0x6A09E667u, 0x84CAA73Bu, 0xBB67AE85u,
- 0xFE94F82Bu, 0x3C6EF372u, 0x5F1D36F1u, 0xA54FF53Au,
- 0xADE682D1u, 0x510E527Fu, 0x2B3E6C1Fu, 0x9B05688Cu,
- 0xFB41BD6Bu, 0x1F83D9ABu, 0x137E2179u, 0x5BE0CD19u,
- 0xF3BCC908u, 0x6A09E667u, 0x84CAA73Bu, 0xBB67AE85u,
- 0xFE94F82Bu, 0x3C6EF372u, 0x5F1D36F1u, 0xA54FF53Au,
- 0xADE682F9u, 0x510E527Fu, 0x2B3E6C1Fu, 0x9B05688Cu,
- 0x04BE4294u, 0xE07C2654u, 0x137E2179u, 0x5BE0CD19u
-);
-// Input data buffer
-uint m[32];
-
-// These are offsets into the input data buffer for each mixing step.
-// They are multiplied by 2 from the original SIGMA values in
-// the C reference implementation, which refered to uint64s.
-const uint SIGMA82[192] = uint[192](
- 0u,2u,4u,6u,8u,10u,12u,14u,16u,18u,20u,22u,24u,26u,28u,30u,
- 28u,20u,8u,16u,18u,30u,26u,12u,2u,24u,0u,4u,22u,14u,10u,6u,
- 22u,16u,24u,0u,10u,4u,30u,26u,20u,28u,6u,12u,14u,2u,18u,8u,
- 14u,18u,6u,2u,26u,24u,22u,28u,4u,12u,10u,20u,8u,0u,30u,16u,
- 18u,0u,10u,14u,4u,8u,20u,30u,28u,2u,22u,24u,12u,16u,6u,26u,
- 4u,24u,12u,20u,0u,22u,16u,6u,8u,26u,14u,10u,30u,28u,2u,18u,
- 24u,10u,2u,30u,28u,26u,8u,20u,0u,14u,12u,6u,18u,4u,16u,22u,
- 26u,22u,14u,28u,24u,2u,6u,18u,10u,0u,30u,8u,16u,12u,4u,20u,
- 12u,30u,28u,18u,22u,6u,0u,16u,24u,4u,26u,14u,2u,8u,20u,10u,
- 20u,4u,16u,8u,14u,12u,2u,10u,30u,22u,18u,28u,6u,24u,26u,0u,
- 0u,2u,4u,6u,8u,10u,12u,14u,16u,18u,20u,22u,24u,26u,28u,30u,
- 28u,20u,8u,16u,18u,30u,26u,12u,2u,24u,0u,4u,22u,14u,10u,6u
-);
-
-// G mixing function
-void G (uint ix, uint iy, uint a, uint b, uint c, uint d) {
- uint o0;
- uint o1;
- uint xor0;
- uint xor1;
-
- // a = a + b;
- o0 = v[a] + v[b];
- o1 = v[a+1u] + v[b+1u];
- if (v[a] > 0xFFFFFFFFu - v[b]) {
- o1 = o1 + 1u;
- }
- v[a] = o0;
- v[a+1u] = o1;
-
- // a = a + m[sigma[r][2*i+0]];
- o0 = v[a] + m[ix];
- o1 = v[a+1u] + m[ix+1u];
- if (v[a] > 0xFFFFFFFFu - m[ix]) {
- o1 = o1 + 1u;
- }
- v[a] = o0;
- v[a+1u] = o1;
-
- // d = rotr64(d ^ a, 32);
- xor0 = v[d] ^ v[a];
- xor1 = v[d+1u] ^ v[a+1u];
- v[d] = xor1;
- v[d+1u] = xor0;
-
- // c = c + d;
- o0 = v[c] + v[d];
- o1 = v[c+1u] + v[d+1u];
- if (v[c] > 0xFFFFFFFFu - v[d]) {
- o1 = o1 + 1u;
- }
- v[c] = o0;
- v[c+1u] = o1;
-
- // b = rotr64(b ^ c, 24);
- xor0 = v[b] ^ v[c];
- xor1 = v[b+1u] ^ v[c+1u];
- v[b] = (xor0 >> 24u) ^ (xor1 << 8u);
- v[b+1u] = (xor1 >> 24u) ^ (xor0 << 8u);
-
- // a = a + b;
- o0 = v[a] + v[b];
- o1 = v[a+1u] + v[b+1u];
- if (v[a] > 0xFFFFFFFFu - v[b]) {
- o1 = o1 + 1u;
- }
- v[a] = o0;
- v[a+1u] = o1;
-
- // a = a + m[sigma[r][2*i+1]];
- o0 = v[a] + m[iy];
- o1 = v[a+1u] + m[iy+1u];
- if (v[a] > 0xFFFFFFFFu - m[iy]) {
- o1 = o1 + 1u;
- }
- v[a] = o0;
- v[a+1u] = o1;
-
- // d = rotr64(d ^ a, 16)
- xor0 = v[d] ^ v[a];
- xor1 = v[d+1u] ^ v[a+1u];
- v[d] = (xor0 >> 16u) ^ (xor1 << 16u);
- v[d+1u] = (xor1 >> 16u) ^ (xor0 << 16u);
-
- // c = c + d;
- o0 = v[c] + v[d];
- o1 = v[c+1u] + v[d+1u];
- if (v[c] > 0xFFFFFFFFu - v[d]) {
- o1 = o1 + 1u;
- }
- v[c] = o0;
- v[c+1u] = o1;
-
- // b = rotr64(b ^ c, 63)
- xor0 = v[b] ^ v[c];
- xor1 = v[b+1u] ^ v[c+1u];
- v[b] = (xor1 >> 31u) ^ (xor0 << 1u);
- v[b+1u] = (xor0 >> 31u) ^ (xor1 << 1u);
-}
-
-void main() {
- int i;
- uvec4 u_work0 = work[0u];
- uvec4 u_work1 = work[1u];
- uint uv_x = uint(uv_pos.x * workload);
- uint uv_y = uint(uv_pos.y * workload);
- uint x_pos = uv_x % 256u;
- uint y_pos = uv_y % 256u;
- uint x_index = (uv_x - x_pos) / 256u;
- uint y_index = (uv_y - y_pos) / 256u;
-
- // First 2 work bytes are the x,y pos within the 256x256 area, the next
- // two bytes are modified from the random generated value, XOR'd with
- // the x,y area index of where this pixel is located
- m[0u] = (x_pos ^ (y_pos << 8u) ^ ((u_work0.b ^ x_index) << 16u) ^ ((u_work0.a ^ y_index) << 24u));
-
- // Remaining bytes are un-modified from the random generated value
- m[1u] = (u_work1.r ^ (u_work1.g << 8u) ^ (u_work1.b << 16u) ^ (u_work1.a << 24u));
-
- // Block hash
- for (uint i = 0u; i < 8u; i = i + 1u) {
- m[i+2u] = blockhash[i];
- }
-
- // twelve rounds of mixing
- for(uint i = 0u; i < 12u; i = i + 1u) {
- G(SIGMA82[i * 16u + 0u], SIGMA82[i * 16u + 1u], 0u, 8u, 16u, 24u);
- G(SIGMA82[i * 16u + 2u], SIGMA82[i * 16u + 3u], 2u, 10u, 18u, 26u);
- G(SIGMA82[i * 16u + 4u], SIGMA82[i * 16u + 5u], 4u, 12u, 20u, 28u);
- G(SIGMA82[i * 16u + 6u], SIGMA82[i * 16u + 7u], 6u, 14u, 22u, 30u);
- G(SIGMA82[i * 16u + 8u], SIGMA82[i * 16u + 9u], 0u, 10u, 20u, 30u);
- G(SIGMA82[i * 16u + 10u], SIGMA82[i * 16u + 11u], 2u, 12u, 22u, 24u);
- G(SIGMA82[i * 16u + 12u], SIGMA82[i * 16u + 13u], 4u, 14u, 16u, 26u);
- G(SIGMA82[i * 16u + 14u], SIGMA82[i * 16u + 15u], 6u, 8u, 18u, 28u);
- }
-
- // Pixel data is multipled by threshold test result (0 or 1)
- // First 4 bytes insignificant, only calculate digest of second 4 bytes
- if ((BLAKE2B_IV32_1 ^ v[1u] ^ v[17u]) > threshold) {
- fragColor = vec4(
- float(x_index + 1u)/255.0, // +1 to distinguish from 0 (unsuccessful) pixels
- float(y_index + 1u)/255.0, // Same as previous
- float(x_pos)/255.0, // Return the 2 custom bytes used in work value
- float(y_pos)/255.0 // Second custom byte
- );
- } else {
- discard;
- }
-}
-`
-
export const NanoPowGpuComputeShader = `
struct UBO {
blockhash: array<vec4<u32>, 2>,
import { default as Bip44Ckd } from './workers/bip44-ckd.js'
import { default as NanoNaCl } from './workers/nano-nacl.js'
import { default as PowGl } from './nano-pow/nanopow-gl.js'
-import { default as NanoPowGpu } from './workers/nano-pow.js'
+import { default as NanoPowGpu } from './nano-pow/nanopow-gpu.js'
export { Bip44Ckd, NanoNaCl, PowGl, NanoPowGpu }
import { Blake2b } from './lib/blake2b.js'
import { SendBlock, ReceiveBlock, ChangeBlock } from './lib/block.js'
import { PowGl } from './lib/nano-pow/nanopow-gl.js'
-import { NanoPowGpu } from './lib/workers/nano-pow.js'
+import { NanoPowGpu } from './lib/nano-pow/nanopow-gpu.js'
import { Rpc } from './lib/rpc.js'
import { Rolodex } from './lib/rolodex.js'
import { Safe } from './lib/safe.js'
import { Tools } from './lib/tools.js'
import { Bip44Wallet, Blake2bWallet, LedgerWallet } from './lib/wallet.js'
-export { Account, Blake2b, SendBlock, ReceiveBlock, ChangeBlock, PowGl, NanoPowGpu as PowGpu, Rpc, Rolodex, Safe, Tools, Bip44Wallet, Blake2bWallet, LedgerWallet }
+export { Account, Blake2b, SendBlock, ReceiveBlock, ChangeBlock, PowGl, NanoPowGpu, Rpc, Rolodex, Safe, Tools, Bip44Wallet, Blake2bWallet, LedgerWallet }
projects / libnemo.git / commitdiff