1 files changed, 142 insertions, 0 deletions
diff --git a/src/glx/clientattrib.c b/src/glx/clientattrib.c
new file mode 100644
index 00000000000..a7dfb534860
--- /dev/null
+++ b/src/glx/clientattrib.c
@@ -0,0 +1,142 @@
+/*
+ * 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.
+ */
+
+#include <assert.h>
+#include "glxclient.h"
+#include "indirect.h"
+#include "indirect_vertex_array.h"
+
+/*****************************************************************************/
+
+static void
+do_enable_disable(GLenum array, GLboolean val)
+{
+   __GLXcontext *gc = __glXGetCurrentContext();
+   __GLXattribute *state = (__GLXattribute *) (gc->client_state_private);
+   unsigned index = 0;
+
+   if (array == GL_TEXTURE_COORD_ARRAY) {
+      index = __glXGetActiveTextureUnit(state);
+   }
+
+   if (!__glXSetArrayEnable(state, array, index, val)) {
+      __glXSetError(gc, GL_INVALID_ENUM);
+   }
+}
+
+void
+__indirect_glEnableClientState(GLenum array)
+{
+   do_enable_disable(array, GL_TRUE);
+}
+
+void
+__indirect_glDisableClientState(GLenum array)
+{
+   do_enable_disable(array, GL_FALSE);
+}
+
+/************************************************************************/
+
+void
+__indirect_glPushClientAttrib(GLuint mask)
+{
+   __GLXcontext *gc = __glXGetCurrentContext();
+   __GLXattribute *state = (__GLXattribute *) (gc->client_state_private);
+   __GLXattribute **spp = gc->attributes.stackPointer, *sp;
+
+   if (spp < &gc->attributes.stack[__GL_CLIENT_ATTRIB_STACK_DEPTH]) {
+      if (!(sp = *spp)) {
+         sp = (__GLXattribute *) Xmalloc(sizeof(__GLXattribute));
+         *spp = sp;
+      }
+      sp->mask = mask;
+      gc->attributes.stackPointer = spp + 1;
+      if (mask & GL_CLIENT_PIXEL_STORE_BIT) {
+         sp->storePack = state->storePack;
+         sp->storeUnpack = state->storeUnpack;
+      }
+      if (mask & GL_CLIENT_VERTEX_ARRAY_BIT) {
+         __glXPushArrayState(state);
+      }
+   }
+   else {
+      __glXSetError(gc, GL_STACK_OVERFLOW);
+      return;
+   }
+}
+
+void
+__indirect_glPopClientAttrib(void)
+{
+   __GLXcontext *gc = __glXGetCurrentContext();
+   __GLXattribute *state = (__GLXattribute *) (gc->client_state_private);
+   __GLXattribute **spp = gc->attributes.stackPointer, *sp;
+   GLuint mask;
+
+   if (spp > &gc->attributes.stack[0]) {
+      --spp;
+      sp = *spp;
+      assert(sp != 0);
+      mask = sp->mask;
+      gc->attributes.stackPointer = spp;
+
+      if (mask & GL_CLIENT_PIXEL_STORE_BIT) {
+         state->storePack = sp->storePack;
+         state->storeUnpack = sp->storeUnpack;
+      }
+      if (mask & GL_CLIENT_VERTEX_ARRAY_BIT) {
+         __glXPopArrayState(state);
+      }
+
+      sp->mask = 0;
+   }
+   else {
+      __glXSetError(gc, GL_STACK_UNDERFLOW);
+      return;
+   }
+}
+
+void
+__glFreeAttributeState(__GLXcontext * gc)
+{
+   __GLXattribute *sp, **spp;
+
+   for (spp = &gc->attributes.stack[0];
+        spp < &gc->attributes.stack[__GL_CLIENT_ATTRIB_STACK_DEPTH]; spp++) {
+      sp = *spp;
+      if (sp) {
+         XFree((char *) sp);
+      }
+      else {
+         break;
+      }
+   }
+}