@babylonjs/core
Version:
Getting started? Play directly with the Babylon.js API using our [playground](https://playground.babylonjs.com/). It also contains a lot of samples to learn how to use it.
350 lines (349 loc) • 13.4 kB
JavaScript
/* eslint-disable @typescript-eslint/naming-convention */
import { ErrorCodes, RuntimeError } from "../../Misc/error.js";
import { Logger } from "../../Misc/logger.js";
import { VertexBuffer } from "../../Buffers/buffer.pure.js";
export function getNativeTextureFormat(format, type) {
switch (format) {
// Depth (type is ignored)
case 15:
return _native.Engine.TEXTURE_FORMAT_D16;
case 16:
return _native.Engine.TEXTURE_FORMAT_D24;
case 13:
return _native.Engine.TEXTURE_FORMAT_D24S8;
case 14:
return _native.Engine.TEXTURE_FORMAT_D32F;
// Compressed (type is ignored)
case 36492:
return _native.Engine.TEXTURE_FORMAT_BC7;
case 36494:
return _native.Engine.TEXTURE_FORMAT_BC6H;
case 33779:
return _native.Engine.TEXTURE_FORMAT_BC3;
case 33778:
return _native.Engine.TEXTURE_FORMAT_BC2;
case 33777:
return _native.Engine.TEXTURE_FORMAT_BC1;
case 33776:
return _native.Engine.TEXTURE_FORMAT_BC1;
case 37808:
return _native.Engine.TEXTURE_FORMAT_ASTC4x4;
case 37809:
return _native.Engine.TEXTURE_FORMAT_ASTC5x4;
case 37810:
return _native.Engine.TEXTURE_FORMAT_ASTC5x5;
case 37811:
return _native.Engine.TEXTURE_FORMAT_ASTC6x5;
case 37812:
return _native.Engine.TEXTURE_FORMAT_ASTC6x6;
case 37813:
return _native.Engine.TEXTURE_FORMAT_ASTC8x5;
case 37814:
return _native.Engine.TEXTURE_FORMAT_ASTC8x6;
case 37815:
return _native.Engine.TEXTURE_FORMAT_ASTC8x8;
case 37816:
return _native.Engine.TEXTURE_FORMAT_ASTC10x5;
case 37817:
return _native.Engine.TEXTURE_FORMAT_ASTC10x6;
case 37818:
return _native.Engine.TEXTURE_FORMAT_ASTC10x8;
case 37819:
return _native.Engine.TEXTURE_FORMAT_ASTC10x10;
case 37820:
return _native.Engine.TEXTURE_FORMAT_ASTC12x10;
case 37821:
return _native.Engine.TEXTURE_FORMAT_ASTC12x12;
case 36196:
return _native.Engine.TEXTURE_FORMAT_ETC1;
case 37492:
return _native.Engine.TEXTURE_FORMAT_ETC2;
case 37496:
return _native.Engine.TEXTURE_FORMAT_ETC2A;
case 4: {
switch (type) {
case 0:
return _native.Engine.TEXTURE_FORMAT_RGB8;
case 3:
return _native.Engine.TEXTURE_FORMAT_RGB8S;
case 6:
return _native.Engine.TEXTURE_FORMAT_RGB8I;
case 7:
return _native.Engine.TEXTURE_FORMAT_RGB8U;
}
break;
}
case 11: {
switch (type) {
case 7:
return _native.Engine.TEXTURE_FORMAT_RGBA32U;
}
break;
}
case 5: {
switch (type) {
case 0:
return _native.Engine.TEXTURE_FORMAT_RGBA8;
case 1:
return _native.Engine.TEXTURE_FORMAT_RGBA32F;
case 2:
return _native.Engine.TEXTURE_FORMAT_RGBA16F;
case 3:
return _native.Engine.TEXTURE_FORMAT_RGBA8S;
case 4:
return _native.Engine.TEXTURE_FORMAT_RGBA16I;
case 5:
return _native.Engine.TEXTURE_FORMAT_RGBA16U;
case 6:
return _native.Engine.TEXTURE_FORMAT_RGBA32I;
case 7:
return _native.Engine.TEXTURE_FORMAT_RGBA32U;
}
break;
}
case 6: {
switch (type) {
case 0:
return _native.Engine.TEXTURE_FORMAT_R8;
case 1:
return _native.Engine.TEXTURE_FORMAT_R32F;
case 2:
return _native.Engine.TEXTURE_FORMAT_R16F;
case 3:
return _native.Engine.TEXTURE_FORMAT_R8S;
case 4:
return _native.Engine.TEXTURE_FORMAT_R16S;
case 5:
return _native.Engine.TEXTURE_FORMAT_R16U;
case 6:
return _native.Engine.TEXTURE_FORMAT_R32I;
case 7:
return _native.Engine.TEXTURE_FORMAT_R32U;
}
break;
}
case 7: {
switch (type) {
case 0:
return _native.Engine.TEXTURE_FORMAT_RG8;
case 1:
return _native.Engine.TEXTURE_FORMAT_RG32F;
case 2:
return _native.Engine.TEXTURE_FORMAT_RG16F;
case 3:
return _native.Engine.TEXTURE_FORMAT_RG8S;
case 4:
return _native.Engine.TEXTURE_FORMAT_RG16S;
case 5:
return _native.Engine.TEXTURE_FORMAT_RG16U;
case 6:
return _native.Engine.TEXTURE_FORMAT_RG32I;
case 7:
return _native.Engine.TEXTURE_FORMAT_RG32U;
}
break;
}
case 12: {
switch (type) {
case 0:
return _native.Engine.TEXTURE_FORMAT_BGRA8;
}
break;
}
}
throw new RuntimeError(`Unsupported texture format or type: format ${format}, type ${type}.`, ErrorCodes.UnsupportedTextureError);
}
export function getNativeSamplingMode(samplingMode) {
switch (samplingMode) {
case 1:
return _native.Engine.TEXTURE_NEAREST_NEAREST;
case 2:
return _native.Engine.TEXTURE_LINEAR_LINEAR;
case 3:
return _native.Engine.TEXTURE_LINEAR_LINEAR_MIPLINEAR;
case 4:
return _native.Engine.TEXTURE_NEAREST_NEAREST_MIPNEAREST;
case 5:
return _native.Engine.TEXTURE_NEAREST_LINEAR_MIPNEAREST;
case 6:
return _native.Engine.TEXTURE_NEAREST_LINEAR_MIPLINEAR;
case 7:
return _native.Engine.TEXTURE_NEAREST_LINEAR;
case 8:
return _native.Engine.TEXTURE_NEAREST_NEAREST_MIPLINEAR;
case 9:
return _native.Engine.TEXTURE_LINEAR_NEAREST_MIPNEAREST;
case 10:
return _native.Engine.TEXTURE_LINEAR_NEAREST_MIPLINEAR;
case 11:
return _native.Engine.TEXTURE_LINEAR_LINEAR_MIPNEAREST;
case 12:
return _native.Engine.TEXTURE_LINEAR_NEAREST;
default:
throw new Error(`Unsupported sampling mode: ${samplingMode}.`);
}
}
export function getNativeAddressMode(wrapMode) {
switch (wrapMode) {
case 1:
return _native.Engine.ADDRESS_MODE_WRAP;
case 0:
return _native.Engine.ADDRESS_MODE_CLAMP;
case 2:
return _native.Engine.ADDRESS_MODE_MIRROR;
default:
throw new Error("Unexpected wrap mode: " + wrapMode + ".");
}
}
export function getNativeStencilFunc(func) {
switch (func) {
case 513:
return _native.Engine.STENCIL_TEST_LESS;
case 515:
return _native.Engine.STENCIL_TEST_LEQUAL;
case 514:
return _native.Engine.STENCIL_TEST_EQUAL;
case 518:
return _native.Engine.STENCIL_TEST_GEQUAL;
case 516:
return _native.Engine.STENCIL_TEST_GREATER;
case 517:
return _native.Engine.STENCIL_TEST_NOTEQUAL;
case 512:
return _native.Engine.STENCIL_TEST_NEVER;
case 519:
return _native.Engine.STENCIL_TEST_ALWAYS;
default:
throw new Error(`Unsupported stencil func mode: ${func}.`);
}
}
export function getNativeStencilOpFail(opFail) {
switch (opFail) {
case 7680:
return _native.Engine.STENCIL_OP_FAIL_S_KEEP;
case 0:
return _native.Engine.STENCIL_OP_FAIL_S_ZERO;
case 7681:
return _native.Engine.STENCIL_OP_FAIL_S_REPLACE;
case 7682:
return _native.Engine.STENCIL_OP_FAIL_S_INCR;
case 7683:
return _native.Engine.STENCIL_OP_FAIL_S_DECR;
case 5386:
return _native.Engine.STENCIL_OP_FAIL_S_INVERT;
case 34055:
return _native.Engine.STENCIL_OP_FAIL_S_INCRSAT;
case 34056:
return _native.Engine.STENCIL_OP_FAIL_S_DECRSAT;
default:
throw new Error(`Unsupported stencil OpFail mode: ${opFail}.`);
}
}
export function getNativeStencilDepthFail(depthFail) {
switch (depthFail) {
case 7680:
return _native.Engine.STENCIL_OP_FAIL_Z_KEEP;
case 0:
return _native.Engine.STENCIL_OP_FAIL_Z_ZERO;
case 7681:
return _native.Engine.STENCIL_OP_FAIL_Z_REPLACE;
case 7682:
return _native.Engine.STENCIL_OP_FAIL_Z_INCR;
case 7683:
return _native.Engine.STENCIL_OP_FAIL_Z_DECR;
case 5386:
return _native.Engine.STENCIL_OP_FAIL_Z_INVERT;
case 34055:
return _native.Engine.STENCIL_OP_FAIL_Z_INCRSAT;
case 34056:
return _native.Engine.STENCIL_OP_FAIL_Z_DECRSAT;
default:
throw new Error(`Unsupported stencil depthFail mode: ${depthFail}.`);
}
}
export function getNativeStencilDepthPass(opPass) {
switch (opPass) {
case 7680:
return _native.Engine.STENCIL_OP_PASS_Z_KEEP;
case 0:
return _native.Engine.STENCIL_OP_PASS_Z_ZERO;
case 7681:
return _native.Engine.STENCIL_OP_PASS_Z_REPLACE;
case 7682:
return _native.Engine.STENCIL_OP_PASS_Z_INCR;
case 7683:
return _native.Engine.STENCIL_OP_PASS_Z_DECR;
case 5386:
return _native.Engine.STENCIL_OP_PASS_Z_INVERT;
case 34055:
return _native.Engine.STENCIL_OP_PASS_Z_INCRSAT;
case 34056:
return _native.Engine.STENCIL_OP_PASS_Z_DECRSAT;
default:
throw new Error(`Unsupported stencil opPass mode: ${opPass}.`);
}
}
const _warnedUnsupportedAlphaModes = new Set();
// Some alpha modes were introduced alongside newer Babylon Native features. When running against an older
// native binary the corresponding _native.Engine constant is undefined; warn once and use a supported fallback.
function _getFallbackAlphaMode(mode, unsupportedName, fallback = _native.Engine.ALPHA_ONEONE, fallbackName = "ALPHA_ONEONE") {
if (!_warnedUnsupportedAlphaModes.has(mode)) {
_warnedUnsupportedAlphaModes.add(mode);
Logger.Warn(`Alpha mode ${unsupportedName} is not supported by this version of Babylon Native; falling back to ${fallbackName}.`);
}
return fallback;
}
export function getNativeAlphaMode(mode) {
switch (mode) {
case 0:
return _native.Engine.ALPHA_DISABLE;
case 1:
return _native.Engine.ALPHA_ADD;
case 2:
return _native.Engine.ALPHA_COMBINE;
case 3:
return _native.Engine.ALPHA_SUBTRACT;
case 4:
return _native.Engine.ALPHA_MULTIPLY;
case 5:
return _native.Engine.ALPHA_MAXIMIZED;
case 6:
return _native.Engine.ALPHA_ONEONE;
case 11:
return _native.Engine.ALPHA_ONEONE_ONEONE ?? _getFallbackAlphaMode(mode, "ALPHA_ONEONE_ONEONE");
case 17:
return _native.Engine.ALPHA_LAYER_ACCUMULATE ?? _getFallbackAlphaMode(mode, "ALPHA_LAYER_ACCUMULATE");
case 7:
return _native.Engine.ALPHA_PREMULTIPLIED;
case 8:
return _native.Engine.ALPHA_PREMULTIPLIED_PORTERDUFF;
case 9:
return _native.Engine.ALPHA_INTERPOLATE;
case 10:
return _native.Engine.ALPHA_SCREENMODE;
case 21:
return _native.Engine.ALPHA_REPLACE_COLOR ?? _getFallbackAlphaMode(mode, "ALPHA_REPLACE_COLOR", _native.Engine.ALPHA_COMBINE, "ALPHA_COMBINE");
default:
throw new Error(`Unsupported alpha mode: ${mode}.`);
}
}
export function getNativeAttribType(type) {
switch (type) {
case VertexBuffer.BYTE:
return _native.Engine.ATTRIB_TYPE_INT8;
case VertexBuffer.UNSIGNED_BYTE:
return _native.Engine.ATTRIB_TYPE_UINT8;
case VertexBuffer.SHORT:
return _native.Engine.ATTRIB_TYPE_INT16;
case VertexBuffer.UNSIGNED_SHORT:
return _native.Engine.ATTRIB_TYPE_UINT16;
case VertexBuffer.FLOAT:
return _native.Engine.ATTRIB_TYPE_FLOAT;
// HALF_FLOAT (as well as INT and UNSIGNED_INT) has no equivalent in the native bindings, which only
// expose ATTRIB_TYPE_INT8/UINT8/INT16/UINT16/FLOAT. Those vertex attribute types are therefore
// WebGL/WebGPU only and intentionally fall through to the throw below on the Babylon Native engine.
default:
throw new Error(`Unsupported attribute type: ${type}.`);
}
}
//# sourceMappingURL=nativeHelpers.js.map