Retire miniglx and move the actual glx code up to src/glx

1 files changed, 0 insertions, 513 deletions

diff --git a/src/glx/x11/glxcurrent.c b/src/glx/x11/glxcurrent.c
deleted file mode 100644
index c28360bdde9..00000000000
--- a/src/glx/x11/glxcurrent.c
+++ /dev/null
@@ -1,513 +0,0 @@
-/*
- * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
- * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice including the dates of first publication and
- * either this permission notice or a reference to
- * http://oss.sgi.com/projects/FreeB/
- * shall be included in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
- * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
- * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- *
- * Except as contained in this notice, the name of Silicon Graphics, Inc.
- * shall not be used in advertising or otherwise to promote the sale, use or
- * other dealings in this Software without prior written authorization from
- * Silicon Graphics, Inc.
- */
-
-/**
- * \file glxcurrent.c
- * Client-side GLX interface for current context management.
- */
-
-#include "glxclient.h"
-#include "glapi.h"
-#include "indirect_init.h"
-
-/*
-** We setup some dummy structures here so that the API can be used
-** even if no context is current.
-*/
-
-static GLubyte dummyBuffer[__GLX_BUFFER_LIMIT_SIZE];
-
-/*
-** Dummy context used by small commands when there is no current context.
-** All the
-** gl and glx entry points are designed to operate as nop's when using
-** the dummy context structure.
-*/
-static __GLXcontext dummyContext = {
-   &dummyBuffer[0],
-   &dummyBuffer[0],
-   &dummyBuffer[0],
-   &dummyBuffer[__GLX_BUFFER_LIMIT_SIZE],
-   sizeof(dummyBuffer),
-};
-
-
-/*
-** All indirect rendering contexts will share the same indirect dispatch table.
-*/
-static __GLapi *IndirectAPI = NULL;
-
-
-/*
- * Current context management and locking
- */
-
-#if defined( PTHREADS )
-
-_X_HIDDEN pthread_mutex_t __glXmutex = PTHREAD_MUTEX_INITIALIZER;
-
-# if defined( GLX_USE_TLS )
-
-/**
- * Per-thread GLX context pointer.
- *
- * \c __glXSetCurrentContext is written is such a way that this pointer can
- * \b never be \c NULL.  This is important!  Because of this
- * \c __glXGetCurrentContext can be implemented as trivial macro.
- */
-__thread void *__glX_tls_Context __attribute__ ((tls_model("initial-exec")))
-   = &dummyContext;
-
-_X_HIDDEN void
-__glXSetCurrentContext(__GLXcontext * c)
-{
-   __glX_tls_Context = (c != NULL) ? c : &dummyContext;
-}
-
-# else
-
-static pthread_once_t once_control = PTHREAD_ONCE_INIT;
-
-/**
- * Per-thread data key.
- *
- * Once \c init_thread_data has been called, the per-thread data key will
- * take a value of \c NULL.  As each new thread is created the default
- * value, in that thread, will be \c NULL.
- */
-static pthread_key_t ContextTSD;
-
-/**
- * Initialize the per-thread data key.
- *
- * This function is called \b exactly once per-process (not per-thread!) to
- * initialize the per-thread data key.  This is ideally done using the
- * \c pthread_once mechanism.
- */
-static void
-init_thread_data(void)
-{
-   if (pthread_key_create(&ContextTSD, NULL) != 0) {
-      perror("pthread_key_create");
-      exit(-1);
-   }
-}
-
-_X_HIDDEN void
-__glXSetCurrentContext(__GLXcontext * c)
-{
-   pthread_once(&once_control, init_thread_data);
-   pthread_setspecific(ContextTSD, c);
-}
-
-_X_HIDDEN __GLXcontext *
-__glXGetCurrentContext(void)
-{
-   void *v;
-
-   pthread_once(&once_control, init_thread_data);
-
-   v = pthread_getspecific(ContextTSD);
-   return (v == NULL) ? &dummyContext : (__GLXcontext *) v;
-}
-
-# endif /* defined( GLX_USE_TLS ) */
-
-#elif defined( THREADS )
-
-#error Unknown threading method specified.
-
-#else
-
-/* not thread safe */
-_X_HIDDEN __GLXcontext *__glXcurrentContext = &dummyContext;
-
-#endif
-
-
-_X_HIDDEN void
-__glXSetCurrentContextNull(void)
-{
-   __glXSetCurrentContext(&dummyContext);
-#ifdef GLX_DIRECT_RENDERING
-   _glapi_set_dispatch(NULL);   /* no-op functions */
-   _glapi_set_context(NULL);
-#endif
-}
-
-
-/************************************************************************/
-
-PUBLIC GLXContext
-glXGetCurrentContext(void)
-{
-   GLXContext cx = __glXGetCurrentContext();
-
-   if (cx == &dummyContext) {
-      return NULL;
-   }
-   else {
-      return cx;
-   }
-}
-
-PUBLIC GLXDrawable
-glXGetCurrentDrawable(void)
-{
-   GLXContext gc = __glXGetCurrentContext();
-   return gc->currentDrawable;
-}
-
-
-/************************************************************************/
-
-/**
- * Sends a GLX protocol message to the specified display to make the context
- * and the drawables current.
- *
- * \param dpy     Display to send the message to.
- * \param opcode  Major opcode value for the display.
- * \param gc_id   Context tag for the context to be made current.
- * \param draw    Drawable ID for the "draw" drawable.
- * \param read    Drawable ID for the "read" drawable.
- * \param reply   Space to store the X-server's reply.
- *
- * \warning
- * This function assumes that \c dpy is locked with \c LockDisplay on entry.
- */
-static Bool
-SendMakeCurrentRequest(Display * dpy, CARD8 opcode,
-                       GLXContextID gc_id, GLXContextTag gc_tag,
-                       GLXDrawable draw, GLXDrawable read,
-                       xGLXMakeCurrentReply * reply)
-{
-   Bool ret;
-
-
-   LockDisplay(dpy);
-
-   if (draw == read) {
-      xGLXMakeCurrentReq *req;
-
-      GetReq(GLXMakeCurrent, req);
-      req->reqType = opcode;
-      req->glxCode = X_GLXMakeCurrent;
-      req->drawable = draw;
-      req->context = gc_id;
-      req->oldContextTag = gc_tag;
-   }
-   else {
-      __GLXdisplayPrivate *priv = __glXInitialize(dpy);
-
-      /* If the server can support the GLX 1.3 version, we should
-       * perfer that.  Not only that, some servers support GLX 1.3 but
-       * not the SGI extension.
-       */
-
-      if ((priv->majorVersion > 1) || (priv->minorVersion >= 3)) {
-         xGLXMakeContextCurrentReq *req;
-
-         GetReq(GLXMakeContextCurrent, req);
-         req->reqType = opcode;
-         req->glxCode = X_GLXMakeContextCurrent;
-         req->drawable = draw;
-         req->readdrawable = read;
-         req->context = gc_id;
-         req->oldContextTag = gc_tag;
-      }
-      else {
-         xGLXVendorPrivateWithReplyReq *vpreq;
-         xGLXMakeCurrentReadSGIReq *req;
-
-         GetReqExtra(GLXVendorPrivateWithReply,
-                     sz_xGLXMakeCurrentReadSGIReq -
-                     sz_xGLXVendorPrivateWithReplyReq, vpreq);
-         req = (xGLXMakeCurrentReadSGIReq *) vpreq;
-         req->reqType = opcode;
-         req->glxCode = X_GLXVendorPrivateWithReply;
-         req->vendorCode = X_GLXvop_MakeCurrentReadSGI;
-         req->drawable = draw;
-         req->readable = read;
-         req->context = gc_id;
-         req->oldContextTag = gc_tag;
-      }
-   }
-
-   ret = _XReply(dpy, (xReply *) reply, 0, False);
-
-   UnlockDisplay(dpy);
-   SyncHandle();
-
-   return ret;
-}
-
-
-#ifdef GLX_DIRECT_RENDERING
-static __GLXDRIdrawable *
-FetchDRIDrawable(Display * dpy, GLXDrawable glxDrawable, GLXContext gc)
-{
-   __GLXdisplayPrivate *const priv = __glXInitialize(dpy);
-   __GLXDRIdrawable *pdraw;
-   __GLXscreenConfigs *psc;
-
-   if (priv == NULL)
-      return NULL;
-
-   psc = &priv->screenConfigs[gc->screen];
-   if (psc->drawHash == NULL)
-      return NULL;
-
-   if (__glxHashLookup(psc->drawHash, glxDrawable, (void *) &pdraw) == 0)
-      return pdraw;
-
-   pdraw = psc->driScreen->createDrawable(psc, glxDrawable,
-                                          glxDrawable, gc->mode);
-   if (__glxHashInsert(psc->drawHash, glxDrawable, pdraw)) {
-      (*pdraw->destroyDrawable) (pdraw);
-      return NULL;
-   }
-
-   return pdraw;
-}
-#endif /* GLX_DIRECT_RENDERING */
-
-static void
-__glXGenerateError(Display * dpy, GLXContext gc, XID resource,
-                   BYTE errorCode, CARD16 minorCode)
-{
-   xError error;
-
-   error.errorCode = errorCode;
-   error.resourceID = resource;
-   error.sequenceNumber = dpy->request;
-   error.type = X_Error;
-   error.majorCode = gc->majorOpcode;
-   error.minorCode = minorCode;
-   _XError(dpy, &error);
-}
-
-/**
- * Make a particular context current.
- *
- * \note This is in this file so that it can access dummyContext.
- */
-static Bool
-MakeContextCurrent(Display * dpy, GLXDrawable draw,
-                   GLXDrawable read, GLXContext gc)
-{
-   xGLXMakeCurrentReply reply;
-   const GLXContext oldGC = __glXGetCurrentContext();
-   const CARD8 opcode = __glXSetupForCommand(dpy);
-   const CARD8 oldOpcode = ((gc == oldGC) || (oldGC == &dummyContext))
-      ? opcode : __glXSetupForCommand(oldGC->currentDpy);
-   Bool bindReturnValue;
-   __GLXattribute *state;
-
-   if (!opcode || !oldOpcode) {
-      return GL_FALSE;
-   }
-
-   /* Make sure that the new context has a nonzero ID.  In the request,
-    * a zero context ID is used only to mean that we bind to no current
-    * context.
-    */
-   if ((gc != NULL) && (gc->xid == None)) {
-      return GL_FALSE;
-   }
-
-   if (gc == NULL && (draw != None || read != None)) {
-      __glXGenerateError(dpy, gc, (draw != None) ? draw : read,
-                         BadMatch, X_GLXMakeContextCurrent);
-      return False;
-   }
-   if (gc != NULL && (draw == None || read == None)) {
-      __glXGenerateError(dpy, gc, None, BadMatch, X_GLXMakeContextCurrent);
-      return False;
-   }
-
-   _glapi_check_multithread();
-
-   if (gc != NULL && gc->thread_id != 0 && gc->thread_id != _glthread_GetID()) {
-      __glXGenerateError(dpy, gc, gc->xid,
-                         BadAccess, X_GLXMakeContextCurrent);
-      return False;
-   }
-
-#ifdef GLX_DIRECT_RENDERING
-   /* Bind the direct rendering context to the drawable */
-   if (gc && gc->driContext) {
-      __GLXDRIdrawable *pdraw = FetchDRIDrawable(dpy, draw, gc);
-      __GLXDRIdrawable *pread = FetchDRIDrawable(dpy, read, gc);
-
-      if ((pdraw == NULL) || (pread == NULL)) {
-         __glXGenerateError(dpy, gc, (pdraw == NULL) ? draw : read,
-                            GLXBadDrawable, X_GLXMakeContextCurrent);
-         return False;
-      }
-
-      bindReturnValue =
-         (gc->driContext->bindContext) (gc->driContext, pdraw, pread);
-   }
-   else if (!gc && oldGC && oldGC->driContext) {
-      bindReturnValue = True;
-   }
-   else
-#endif
-   {
-      /* Send a glXMakeCurrent request to bind the new context. */
-      bindReturnValue =
-         SendMakeCurrentRequest(dpy, opcode, gc ? gc->xid : None,
-                                ((dpy != oldGC->currentDpy)
-                                 || oldGC->isDirect)
-                                ? None : oldGC->currentContextTag, draw, read,
-                                &reply);
-   }
-
-
-   if (!bindReturnValue) {
-      return False;
-   }
-
-#ifdef GLX_DIRECT_RENDERING
-   if ((dpy != oldGC->currentDpy || (gc && gc->driContext)) &&
-       !oldGC->isDirect && oldGC != &dummyContext) {
-#else
-   if ((dpy != oldGC->currentDpy) && oldGC != &dummyContext) {
-#endif
-      xGLXMakeCurrentReply dummy_reply;
-
-      /* We are either switching from one dpy to another and have to
-       * send a request to the previous dpy to unbind the previous
-       * context, or we are switching away from a indirect context to
-       * a direct context and have to send a request to the dpy to
-       * unbind the previous context.
-       */
-      (void) SendMakeCurrentRequest(oldGC->currentDpy, oldOpcode, None,
-                                    oldGC->currentContextTag, None, None,
-                                    &dummy_reply);
-   }
-#ifdef GLX_DIRECT_RENDERING
-   else if (oldGC->driContext && oldGC != gc) {
-      oldGC->driContext->unbindContext(oldGC->driContext);
-   }
-#endif
-
-
-   /* Update our notion of what is current */
-   __glXLock();
-   if (gc == oldGC) {
-      /* Even though the contexts are the same the drawable might have
-       * changed.  Note that gc cannot be the dummy, and that oldGC
-       * cannot be NULL, therefore if they are the same, gc is not
-       * NULL and not the dummy.
-       */
-      gc->currentDrawable = draw;
-      gc->currentReadable = read;
-   }
-   else {
-      if (oldGC != &dummyContext) {
-         /* Old current context is no longer current to anybody */
-         oldGC->currentDpy = 0;
-         oldGC->currentDrawable = None;
-         oldGC->currentReadable = None;
-         oldGC->currentContextTag = 0;
-         oldGC->thread_id = 0;
-
-         if (oldGC->xid == None) {
-            /* We are switching away from a context that was
-             * previously destroyed, so we need to free the memory
-             * for the old handle.
-             */
-#ifdef GLX_DIRECT_RENDERING
-            /* Destroy the old direct rendering context */
-            if (oldGC->driContext) {
-               oldGC->driContext->destroyContext(oldGC->driContext,
-                                                 oldGC->psc,
-                                                 oldGC->createDpy);
-               oldGC->driContext = NULL;
-            }
-#endif
-            __glXFreeContext(oldGC);
-         }
-      }
-      if (gc) {
-         __glXSetCurrentContext(gc);
-
-         gc->currentDpy = dpy;
-         gc->currentDrawable = draw;
-         gc->currentReadable = read;
-         gc->thread_id = _glthread_GetID();
-
-#ifdef GLX_DIRECT_RENDERING
-         if (!gc->driContext) {
-#endif
-            if (!IndirectAPI)
-               IndirectAPI = __glXNewIndirectAPI();
-            _glapi_set_dispatch(IndirectAPI);
-
-            state = (__GLXattribute *) (gc->client_state_private);
-
-            gc->currentContextTag = reply.contextTag;
-            if (state->array_state == NULL) {
-               (void) glGetString(GL_EXTENSIONS);
-               (void) glGetString(GL_VERSION);
-               __glXInitVertexArrayState(gc);
-            }
-#ifdef GLX_DIRECT_RENDERING
-         }
-         else {
-            gc->currentContextTag = -1;
-         }
-#endif
-      }
-      else {
-         __glXSetCurrentContextNull();
-      }
-   }
-   __glXUnlock();
-   return GL_TRUE;
-}
-
-
-PUBLIC Bool
-glXMakeCurrent(Display * dpy, GLXDrawable draw, GLXContext gc)
-{
-   return MakeContextCurrent(dpy, draw, draw, gc);
-}
-
-PUBLIC
-GLX_ALIAS(Bool, glXMakeCurrentReadSGI,
-          (Display * dpy, GLXDrawable d, GLXDrawable r, GLXContext ctx),
-          (dpy, d, r, ctx), MakeContextCurrent)
-
-PUBLIC
-GLX_ALIAS(Bool, glXMakeContextCurrent,
-          (Display * dpy, GLXDrawable d, GLXDrawable r,
-           GLXContext ctx), (dpy, d, r, ctx), MakeContextCurrent)