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Deprecate InitializeDll functions

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These were only used for TThreadPool, which now uses `thread_local`.
This commit is contained in:
Ben Clayton 2020-07-14 18:34:45 +01:00 committed by kd-11
parent f527002d45
commit 75deb53f3a
2 changed files with 4 additions and 132 deletions
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128
OGLCompilersDLL/InitializeDll.cpp
View File

@ -32,134 +32,6 @@
// POSSIBILITY OF SUCH DAMAGE.
//
#define SH_EXPORTING
#include <cassert>
#include "InitializeDll.h"
#include "../glslang/Include/InitializeGlobals.h"
#include "../glslang/Public/ShaderLang.h"
#include "../glslang/Include/PoolAlloc.h"
namespace glslang {
OS_TLSIndex ThreadInitializeIndex = OS_INVALID_TLS_INDEX;
// Per-process initialization.
// Needs to be called at least once before parsing, etc. is done.
// Will also do thread initialization for the calling thread; other
// threads will need to do that explicitly.
bool InitProcess()
{
glslang::GetGlobalLock();
if (ThreadInitializeIndex != OS_INVALID_TLS_INDEX) {
//
// Function is re-entrant.
//
glslang::ReleaseGlobalLock();
return true;
}
ThreadInitializeIndex = OS_AllocTLSIndex();
if (ThreadInitializeIndex == OS_INVALID_TLS_INDEX) {
assert(0 && "InitProcess(): Failed to allocate TLS area for init flag");
glslang::ReleaseGlobalLock();
return false;
}
if (! InitializePoolIndex()) {
assert(0 && "InitProcess(): Failed to initialize global pool");
glslang::ReleaseGlobalLock();
return false;
}
if (! InitThread()) {
assert(0 && "InitProcess(): Failed to initialize thread");
glslang::ReleaseGlobalLock();
return false;
}
glslang::ReleaseGlobalLock();
return true;
}
// Per-thread scoped initialization.
// Must be called at least once by each new thread sharing the
// symbol tables, etc., needed to parse.
bool InitThread()
{
//
// This function is re-entrant
//
if (ThreadInitializeIndex == OS_INVALID_TLS_INDEX) {
assert(0 && "InitThread(): Process hasn't been initalised.");
return false;
}
if (OS_GetTLSValue(ThreadInitializeIndex) != nullptr)
return true;
if (! OS_SetTLSValue(ThreadInitializeIndex, (void *)1)) {
assert(0 && "InitThread(): Unable to set init flag.");
return false;
}
glslang::SetThreadPoolAllocator(nullptr);
return true;
}
// Not necessary to call this: InitThread() is reentrant, and the need
// to do per thread tear down has been removed.
//
// This is kept, with memory management removed, to satisfy any exiting
// calls to it that rely on it.
bool DetachThread()
{
bool success = true;
if (ThreadInitializeIndex == OS_INVALID_TLS_INDEX)
return true;
//
// Function is re-entrant and this thread may not have been initialized.
//
if (OS_GetTLSValue(ThreadInitializeIndex) != nullptr) {
if (!OS_SetTLSValue(ThreadInitializeIndex, nullptr)) {
assert(0 && "DetachThread(): Unable to clear init flag.");
success = false;
}
}
return success;
}
// Not necessary to call this: InitProcess() is reentrant.
//
// This is kept, with memory management removed, to satisfy any exiting
// calls to it that rely on it.
//
// Users of glslang should call shFinalize() or glslang::FinalizeProcess() for
// process-scoped memory tear down.
bool DetachProcess()
{
bool success = true;
if (ThreadInitializeIndex == OS_INVALID_TLS_INDEX)
return true;
success = DetachThread();
OS_FreeTLSIndex(ThreadInitializeIndex);
ThreadInitializeIndex = OS_INVALID_TLS_INDEX;
return success;
}
} // end namespace glslang

8
OGLCompilersDLL/InitializeDll.h
View File

@ -38,10 +38,10 @@
namespace glslang {
bool InitProcess();
bool InitThread();
bool DetachThread(); // not called from standalone, perhaps other tools rely on parts of it
bool DetachProcess(); // not called from standalone, perhaps other tools rely on parts of it
inline bool InitProcess() { return true; } // DEPRECATED
inline bool InitThread() { return true; } // DEPRECATED
inline bool DetachThread() { return true; } // DEPRECATED
inline bool DetachProcess() { return true; } // DEPRECATED
} // end namespace glslang