compiler: Bring over glsl compiler from alchemist-10.2.6+steamos-LunarG-1.1
diff --git a/icd/intel/compiler/shader/ossource.cpp b/icd/intel/compiler/shader/ossource.cpp
new file mode 100644
index 0000000..5ac738d
--- /dev/null
+++ b/icd/intel/compiler/shader/ossource.cpp
@@ -0,0 +1,180 @@
+//
+//Copyright (C) 2002-2005 3Dlabs Inc. Ltd.
+//All rights reserved.
+//
+//Redistribution and use in source and binary forms, with or without
+//modification, are permitted provided that the following conditions
+//are met:
+//
+// Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//
+// Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following
+// disclaimer in the documentation and/or other materials provided
+// with the distribution.
+//
+// Neither the name of 3Dlabs Inc. Ltd. nor the names of its
+// contributors may be used to endorse or promote products derived
+// from this software without specific prior written permission.
+//
+//THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+//"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+//LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+//FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+//COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+//INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+//BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+//LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+//CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+//LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+//ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+//POSSIBILITY OF SUCH DAMAGE.
+//
+
+//
+// This file contains the Linux-specific functions
+//
+
+#ifdef USE_LUNARGLASS
+
+#include "glslang/OSDependent/Linux/osinclude.h"
+#include "glsl_parser_extras.h"
+
+namespace glslang {
+
+bool InitProcess();
+bool InitThread();
+bool DetachThread();
+bool DetachProcess();
+
+//
+// Thread cleanup
+//
+
+//
+// Wrapper for Linux call to DetachThread. This is required as pthread_cleanup_push() expects
+// the cleanup routine to return void.
+//
+void DetachThreadLinux(void *)
+{
+ DetachThread();
+}
+
+
+//
+// Registers cleanup handler, sets cancel type and state, and excecutes the thread specific
+// cleanup handler. This function will be called in the Standalone.cpp for regression
+// testing. When OpenGL applications are run with the driver code, Linux OS does the
+// thread cleanup.
+//
+void OS_CleanupThreadData(void)
+{
+ int old_cancel_state, old_cancel_type;
+ void *cleanupArg = NULL;
+
+ //
+ // Set thread cancel state and push cleanup handler.
+ //
+ pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, &old_cancel_state);
+ pthread_cleanup_push(DetachThreadLinux, (void *) cleanupArg);
+
+ //
+ // Put the thread in deferred cancellation mode.
+ //
+ pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, &old_cancel_type);
+
+ //
+ // Pop cleanup handler and execute it prior to unregistering the cleanup handler.
+ //
+ pthread_cleanup_pop(1);
+
+ //
+ // Restore the thread's previous cancellation mode.
+ //
+ pthread_setcanceltype(old_cancel_state, NULL);
+}
+
+
+//
+// Thread Local Storage Operations
+//
+OS_TLSIndex OS_AllocTLSIndex()
+{
+ pthread_key_t pPoolIndex;
+
+ //
+ // Create global pool key.
+ //
+ if ((pthread_key_create(&pPoolIndex, NULL)) != 0) {
+ assert(0 && "OS_AllocTLSIndex(): Unable to allocate Thread Local Storage");
+ return false;
+ }
+ else
+ return pPoolIndex;
+}
+
+
+bool OS_SetTLSValue(OS_TLSIndex nIndex, void *lpvValue)
+{
+ if (nIndex == OS_INVALID_TLS_INDEX) {
+ assert(0 && "OS_SetTLSValue(): Invalid TLS Index");
+ return false;
+ }
+
+ if (pthread_setspecific(nIndex, lpvValue) == 0)
+ return true;
+ else
+ return false;
+}
+
+
+bool OS_FreeTLSIndex(OS_TLSIndex nIndex)
+{
+ if (nIndex == OS_INVALID_TLS_INDEX) {
+ assert(0 && "OS_SetTLSValue(): Invalid TLS Index");
+ return false;
+ }
+
+ //
+ // Delete the global pool key.
+ //
+ if (pthread_key_delete(nIndex) == 0)
+ return true;
+ else
+ return false;
+}
+
+mtx_t GlslangGlobalLock = _MTX_INITIALIZER_NP;
+
+void InitGlobalLock() {
+}
+
+void GetGlobalLock() {
+ mtx_lock(&GlslangGlobalLock);
+}
+
+void ReleaseGlobalLock() {
+ mtx_unlock(&GlslangGlobalLock);
+}
+
+void* OS_CreateThread(TThreadEntrypoint entry)
+{
+ return 0;
+}
+
+void OS_WaitForAllThreads(void* threads, int numThreads)
+{
+}
+
+void OS_Sleep(int milliseconds)
+{
+}
+
+void OS_DumpMemoryCounters()
+{
+}
+
+} // end namespace glslang
+
+#endif