Import the GLX client side library, formerly from xc/lib/GL/glx. Build it

by adding 'glx/x11' to SRC_DIRS in your build config.

1 files changed, 186 insertions, 0 deletions

diff --git a/src/glx/x11/clientattrib.c b/src/glx/x11/clientattrib.c
new file mode 100644
index 00000000000..06729553112
--- /dev/null
+++ b/src/glx/x11/clientattrib.c
@@ -0,0 +1,186 @@
+/* $XFree86: xc/lib/GL/glx/clientattrib.c,v 1.5 2001/03/21 16:04:39 dawes Exp $ */
+/*
+** License Applicability. Except to the extent portions of this file are
+** made subject to an alternative license as permitted in the SGI Free
+** Software License B, Version 1.1 (the "License"), the contents of this
+** file are subject only to the provisions of the License. You may not use
+** this file except in compliance with the License. You may obtain a copy
+** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600
+** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at:
+** 
+** http://oss.sgi.com/projects/FreeB
+** 
+** Note that, as provided in the License, the Software is distributed on an
+** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS
+** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND
+** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A
+** PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
+** 
+** Original Code. The Original Code is: OpenGL Sample Implementation,
+** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics,
+** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc.
+** Copyright in any portions created by third parties is as indicated
+** elsewhere herein. All Rights Reserved.
+** 
+** Additional Notice Provisions: The application programming interfaces
+** established by SGI in conjunction with the Original Code are The
+** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released
+** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version
+** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X
+** Window System(R) (Version 1.3), released October 19, 1998. This software
+** was created using the OpenGL(R) version 1.2.1 Sample Implementation
+** published by SGI, but has not been independently verified as being
+** compliant with the OpenGL(R) version 1.2.1 Specification.
+**
+*/
+
+#include <assert.h>
+#define NEED_GL_FUNCS_WRAPPED
+#include "glxclient.h"
+
+/*****************************************************************************/
+
+void glEnableClientState(GLenum array)
+{
+    __GLXcontext *gc = __glXGetCurrentContext();
+    __GLXattribute * state = (__GLXattribute *)(gc->client_state_private);
+
+    switch (array) {
+	case GL_COLOR_ARRAY:
+	    ENABLE_ARRAY(state, color);
+	    break;
+	case GL_EDGE_FLAG_ARRAY:
+	    ENABLE_ARRAY(state, edgeFlag);
+	    break;
+	case GL_INDEX_ARRAY:
+	    ENABLE_ARRAY(state, index);
+	    break;
+	case GL_NORMAL_ARRAY:
+	    ENABLE_ARRAY(state, normal);
+	    break;
+	case GL_TEXTURE_COORD_ARRAY:
+	    ENABLE_TEXARRAY(state, state->vertArray.activeTexture);
+	    break;
+	case GL_VERTEX_ARRAY:
+	    ENABLE_ARRAY(state, vertex);
+	    break;
+	case GL_SECONDARY_COLOR_ARRAY:
+	    ENABLE_ARRAY(state, secondaryColor);
+	    break;
+	case GL_FOG_COORD_ARRAY:
+	    ENABLE_ARRAY(state, fogCoord);
+	    break;
+	default:
+	    __glXSetError(gc, GL_INVALID_ENUM);
+    }
+}
+
+void glDisableClientState(GLenum array)
+{
+    __GLXcontext *gc = __glXGetCurrentContext();
+    __GLXattribute * state = (__GLXattribute *)(gc->client_state_private);
+
+    switch (array) {
+	case GL_COLOR_ARRAY:
+	    DISABLE_ARRAY(state, color);
+	    break;
+	case GL_EDGE_FLAG_ARRAY:
+	    DISABLE_ARRAY(state, edgeFlag);
+	    break;
+	case GL_INDEX_ARRAY:
+	    DISABLE_ARRAY(state, index);
+	    break;
+	case GL_NORMAL_ARRAY:
+	    DISABLE_ARRAY(state, normal);
+	    break;
+	case GL_TEXTURE_COORD_ARRAY:
+	    DISABLE_TEXARRAY(state, state->vertArray.activeTexture);
+	    break;
+	case GL_VERTEX_ARRAY:
+	    DISABLE_ARRAY(state, vertex);
+	    break;
+	case GL_SECONDARY_COLOR_ARRAY:
+	    DISABLE_ARRAY(state, secondaryColor);
+	    break;
+	case GL_FOG_COORD_ARRAY:
+	    DISABLE_ARRAY(state, fogCoord);
+	    break;
+	default:
+	    __glXSetError(gc, GL_INVALID_ENUM);
+    }
+}
+
+/************************************************************************/
+
+void 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) {
+	    sp->vertArray = state->vertArray;
+	}
+    } else {
+	__glXSetError(gc, GL_STACK_OVERFLOW);
+	return;
+    }
+}
+
+void 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) {
+	    state->vertArray = sp->vertArray;
+	}
+
+	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;
+	}
+    }
+}
+
+