88dc25229b
This change includes a fix for an issue we filed against spirv-tools: https://github.com/KhronosGroup/SPIRV-Tools/issues/4371 So, it should reduce the number of extraneous matrix copies in finalized GLSL code. I did quick size total of all filamat files (*) before and after this update, it went from 11.3 MB to 11.1 MB. (*) All backends are enabled, includes built-in Filament shaders and gltfio ubershaders.
SPIRV-Tools
Wasm (WebAssembly) build of https://github.com/KhronosGroup/SPIRV-Tools
Usage
const spirvTools = require("spirv-tools");
const test = async () => {
// Load the library
const spv = await spirvTools();
// assemble
const source = `
OpCapability Linkage
OpCapability Shader
OpMemoryModel Logical GLSL450
OpSource GLSL 450
OpDecorate %spec SpecId 1
%int = OpTypeInt 32 1
%spec = OpSpecConstant %int 0
%const = OpConstant %int 42`;
const asResult = spv.as(
source,
spv.SPV_ENV_UNIVERSAL_1_3,
spv.SPV_TEXT_TO_BINARY_OPTION_NONE
);
console.log(`as returned ${asResult.byteLength} bytes`);
// re-disassemble
const disResult = spv.dis(
asResult,
spv.SPV_ENV_UNIVERSAL_1_3,
spv.SPV_BINARY_TO_TEXT_OPTION_INDENT |
spv.SPV_BINARY_TO_TEXT_OPTION_FRIENDLY_NAMES |
spv.SPV_BINARY_TO_TEXT_OPTION_COLOR
);
console.log("dis:\n", disResult);
};
test();