glx: remove support for non-multithreaded platforms
Implicitly required for a while, although commit 9385c592c6
(mapi:
remove u_thread.h) was the one that put the final nail on the
coffin.
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
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@ -185,8 +185,6 @@ ways that the dispatch table pointer can be accessed. There are four
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different methods that can be used:</p>
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<ol>
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<li>Using <tt>_glapi_Dispatch</tt> directly in builds for non-multithreaded
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environments.</li>
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<li>Using <tt>_glapi_Dispatch</tt> and <tt>_glapi_get_dispatch</tt> in
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multithreaded environments.</li>
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<li>Using <tt>_glapi_Dispatch</tt> and <tt>pthread_getspecific</tt> in
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@ -204,9 +202,8 @@ terribly relevant.</p>
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few preprocessor defines.</p>
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<ul>
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<li>If <tt>GLX_USE_TLS</tt> is defined, method #4 is used.</li>
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<li>If <tt>HAVE_PTHREAD</tt> is defined, method #3 is used.</li>
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<li>If <tt>WIN32_THREADS</tt> is defined, method #2 is used.</li>
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<li>If <tt>GLX_USE_TLS</tt> is defined, method #3 is used.</li>
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<li>If <tt>HAVE_PTHREAD</tt> is defined, method #2 is used.</li>
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<li>If none of the preceding are defined, method #1 is used.</li>
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</ul>
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@ -47,15 +47,13 @@
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#include <string.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <pthread.h>
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#ifdef _WIN32
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#include <stdint.h>
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#endif
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#include "GL/glxproto.h"
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#include "glxconfig.h"
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#include "glxhash.h"
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#if defined( HAVE_PTHREAD )
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# include <pthread.h>
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#endif
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#include "util/macros.h"
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#include "glxextensions.h"
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@ -631,7 +629,6 @@ extern void __glXPreferEGL(int state);
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extern int __glXDebug;
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/* This is per-thread storage in an MT environment */
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#if defined( HAVE_PTHREAD )
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extern void __glXSetCurrentContext(struct glx_context * c);
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@ -648,14 +645,6 @@ extern struct glx_context *__glXGetCurrentContext(void);
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# endif /* defined( GLX_USE_TLS ) */
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#else
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extern struct glx_context *__glXcurrentContext;
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#define __glXGetCurrentContext() __glXcurrentContext
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#define __glXSetCurrentContext(gc) __glXcurrentContext = gc
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#endif /* defined( HAVE_PTHREAD ) */
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extern void __glXSetCurrentContextNull(void);
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@ -663,14 +652,9 @@ extern void __glXSetCurrentContextNull(void);
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** Global lock for all threads in this address space using the GLX
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** extension
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*/
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#if defined( HAVE_PTHREAD )
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extern pthread_mutex_t __glXmutex;
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#define __glXLock() pthread_mutex_lock(&__glXmutex)
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#define __glXUnlock() pthread_mutex_unlock(&__glXmutex)
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#else
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#define __glXLock()
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#define __glXUnlock()
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#endif
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/*
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** Setup for a command. Initialize the extension for dpy if necessary.
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@ -33,9 +33,7 @@
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* Client-side GLX interface for current context management.
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*/
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#ifdef HAVE_PTHREAD
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#include <pthread.h>
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#endif
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#include "glxclient.h"
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@ -67,8 +65,6 @@ struct glx_context dummyContext = {
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* Current context management and locking
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*/
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#if defined( HAVE_PTHREAD )
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_X_HIDDEN pthread_mutex_t __glXmutex = PTHREAD_MUTEX_INITIALIZER;
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# if defined( GLX_USE_TLS )
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@ -138,13 +134,6 @@ __glXGetCurrentContext(void)
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# endif /* defined( GLX_USE_TLS ) */
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#else
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/* not thread safe */
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_X_HIDDEN struct glx_context *__glXcurrentContext = &dummyContext;
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#endif
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_X_HIDDEN void
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__glXSetCurrentContextNull(void)
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@ -77,7 +77,7 @@ indirect_create_context_attribs(struct glx_screen *base,
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__thread void *__glX_tls_Context = NULL;
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#if defined(HAVE_PTHREAD) && !defined(GLX_USE_TLS)
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#if !defined(GLX_USE_TLS)
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extern "C" struct glx_context *
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__glXGetCurrentContext()
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{
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