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wasm: use emscripten::typed_memory_view()

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Use typed_memory_view() instead to create UInt8Arrays
pointing to an area of the heap, instead of HEAPU8.

Fixes issue on emsdk >= 4.0.7 where HEAPU8 etc are
no longer exported by default.

Change-Id: I2c632b2c54dc1e9947b11ab3d2613d790b994440
Reviewed-by: Lorn Potter <lorn.potter@qt.io>
This commit is contained in:
Morten Sørvig 2025-04-24 00:03:17 +02:00 committed by Morten Johan Sørvig
parent ab48b4f266
commit 913829ae4e
2 changed files with 1 additions and 13 deletions
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12
src/corelib/platform/wasm/qstdweb.cpp
View File

@ -330,11 +330,6 @@ emscripten::val FileReader::val() const
return m_fileReader;
}
Uint8Array Uint8Array::heap()
{
return Uint8Array(heap_());
}
// Constructs a Uint8Array which references the given emscripten::val, which must contain a JS Unit8Array
Uint8Array::Uint8Array(const emscripten::val &uint8Array)
: m_uint8Array(uint8Array)
@ -358,7 +353,7 @@ Uint8Array::Uint8Array(const ArrayBuffer &buffer, uint32_t offset, uint32_t leng
// Constructs a Uint8Array which references an area on the heap.
Uint8Array::Uint8Array(const char *buffer, uint32_t size)
:m_uint8Array(Uint8Array::constructor_().new_(Uint8Array::heap().buffer().m_arrayBuffer, uintptr_t(buffer), size))
:m_uint8Array(emscripten::typed_memory_view(size, buffer))
{
}
@ -435,11 +430,6 @@ emscripten::val Uint8Array::val() const
return m_uint8Array;
}
emscripten::val Uint8Array::heap_()
{
return emscripten::val::module_property("HEAPU8");
}
emscripten::val Uint8Array::constructor_()
{
return emscripten::val::global("Uint8Array");

2
src/corelib/platform/wasm/qstdweb_p.h
View File

@ -171,7 +171,6 @@ namespace qstdweb {
class Q_CORE_EXPORT Uint8Array {
public:
static Uint8Array heap();
explicit Uint8Array(const emscripten::val &uint8Array);
explicit Uint8Array(const ArrayBuffer &buffer);
explicit Uint8Array(uint32_t size);
@ -192,7 +191,6 @@ namespace qstdweb {
emscripten::val val() const;
private:
static emscripten::val heap_();
static emscripten::val constructor_();
emscripten::val m_uint8Array = emscripten::val::undefined();
};