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

1 files changed, 213 insertions, 0 deletions

diff --git a/src/glx/packsingle.h b/src/glx/packsingle.h
new file mode 100644
index 00000000000..f33a873f3a7
--- /dev/null
+++ b/src/glx/packsingle.h
@@ -0,0 +1,213 @@
+#ifndef __GLX_packsingle_h__
+#define __GLX_packsingle_h__
+
+/*
+ * 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 "packrender.h"
+
+/*
+** The macros in this header convert wire protocol data types to the client
+** machine's native data types.  The header is part of the porting layer of
+** the client library, and it is intended that hardware vendors will rewrite
+** this header to suit their own machines.
+*/
+
+/*
+** Dummy define to make the GetReqExtra macro happy.  The value is not
+** used, but instead the code in __GLX_SINGLE_BEGIN issues its own store
+** to req->reqType with the proper code (our extension code).
+*/
+#define X_GLXSingle 0
+
+/* Declare common variables used during a single command */
+#define __GLX_SINGLE_DECLARE_VARIABLES()         \
+   __GLXcontext *gc = __glXGetCurrentContext();  \
+   GLubyte *pc, *pixelHeaderPC;                  \
+   GLuint compsize, cmdlen;                      \
+   Display *dpy = gc->currentDpy;                \
+   xGLXSingleReq *req
+
+#define __GLX_SINGLE_LOAD_VARIABLES()           \
+   pc = gc->pc;                                 \
+   /* Muffle compilers */                       \
+   pixelHeaderPC = 0;  (void)pixelHeaderPC;     \
+   compsize = 0;       (void)compsize;          \
+   cmdlen = 0;         (void)cmdlen
+
+/* Start a single command */
+#define __GLX_SINGLE_BEGIN(opcode,bytes)        \
+   if (dpy) {                                   \
+   (void) __glXFlushRenderBuffer(gc, pc);       \
+   LockDisplay(dpy);                            \
+   GetReqExtra(GLXSingle,bytes,req);            \
+   req->reqType = gc->majorOpcode;              \
+   req->glxCode = opcode;                       \
+   req->contextTag = gc->currentContextTag;     \
+   pc = ((GLubyte *)(req) + sz_xGLXSingleReq)
+
+/* End a single command */
+#define __GLX_SINGLE_END()       \
+   UnlockDisplay(dpy);           \
+   SyncHandle();                 \
+   }
+
+/* Store data to sending for a single command */
+#define __GLX_SINGLE_PUT_CHAR(offset,a)         \
+   *((INT8 *) (pc + offset)) = a
+
+#ifndef CRAY
+#define __GLX_SINGLE_PUT_SHORT(offset,a)        \
+   *((INT16 *) (pc + offset)) = a
+
+#define __GLX_SINGLE_PUT_LONG(offset,a)         \
+   *((INT32 *) (pc + offset)) = a
+
+#define __GLX_SINGLE_PUT_FLOAT(offset,a)        \
+   *((FLOAT32 *) (pc + offset)) = a
+
+#else
+#define __GLX_SINGLE_PUT_SHORT(offset,a)        \
+   { GLubyte *cp = (pc+offset);                    \
+      int shift = (64-16) - ((int)(cp) >> (64-6));                      \
+      *(int *)cp = (*(int *)cp & ~(0xffff << shift)) | ((a & 0xffff) << shift); }
+
+#define __GLX_SINGLE_PUT_LONG(offset,a)         \
+   { GLubyte *cp = (pc+offset);                    \
+      int shift = (64-32) - ((int)(cp) >> (64-6));                      \
+      *(int *)cp = (*(int *)cp & ~(0xffffffff << shift)) | ((a & 0xffffffff) << shift); }
+
+#define __GLX_SINGLE_PUT_FLOAT(offset,a)        \
+   gl_put_float(pc + offset, a)
+#endif
+
+/* Read support macros */
+#define __GLX_SINGLE_READ_XREPLY()                    \
+   (void) _XReply(dpy, (xReply*) &reply, 0, False)
+
+#define __GLX_SINGLE_GET_RETVAL(a,cast)         \
+   a = (cast) reply.retval
+
+#define __GLX_SINGLE_GET_SIZE(a)                \
+   a = (GLint) reply.size
+
+#ifndef _CRAY
+#define __GLX_SINGLE_GET_CHAR(p)                \
+   *p = *(GLbyte *)&reply.pad3;
+
+#define __GLX_SINGLE_GET_SHORT(p)               \
+   *p = *(GLshort *)&reply.pad3;
+
+#define __GLX_SINGLE_GET_LONG(p)                \
+   *p = *(GLint *)&reply.pad3;
+
+#define __GLX_SINGLE_GET_FLOAT(p)               \
+   *p = *(GLfloat *)&reply.pad3;
+
+#else
+#define __GLX_SINGLE_GET_CHAR(p)                \
+   *p = reply.pad3 >> 24;
+
+#define __GLX_SINGLE_GET_SHORT(p)               \
+   {int t = reply.pad3 >> 16;                            \
+      *p = (t & 0x8000) ? (t | ~0xffff) : (t & 0xffff);}
+
+#define __GLX_SINGLE_GET_LONG(p)                \
+   {int t = reply.pad3;                                              \
+      *p = (t & 0x80000000) ? (t | ~0xffffffff) : (t & 0xffffffff);}
+
+#define PAD3OFFSET 16
+#define __GLX_SINGLE_GET_FLOAT(p)                        \
+   *p = gl_ntoh_float((GLubyte *)&reply + PAD3OFFSET);
+
+#define __GLX_SINGLE_GET_DOUBLE(p)                       \
+   *p = gl_ntoh_double((GLubyte *)&reply + PAD3OFFSET);
+
+extern float gl_ntoh_float(GLubyte *);
+extern float gl_ntoh_double(GLubyte *);
+#endif
+
+#ifndef _CRAY
+
+#ifdef __GLX_ALIGN64
+#define __GLX_SINGLE_GET_DOUBLE(p)              \
+   __GLX_MEM_COPY(p, &reply.pad3, 8)
+#else
+#define __GLX_SINGLE_GET_DOUBLE(p)              \
+   *p = *(GLdouble *)&reply.pad3
+#endif
+
+#endif
+
+/* Get an array of typed data */
+#define __GLX_SINGLE_GET_VOID_ARRAY(a,alen)     \
+   {                                            \
+      GLint slop = alen*__GLX_SIZE_INT8 & 3;    \
+      _XRead(dpy,(char *)a,alen*__GLX_SIZE_INT8);  \
+      if (slop) _XEatData(dpy,4-slop);             \
+   }
+
+#define __GLX_SINGLE_GET_CHAR_ARRAY(a,alen)     \
+   {                                            \
+      GLint slop = alen*__GLX_SIZE_INT8 & 3;    \
+      _XRead(dpy,(char *)a,alen*__GLX_SIZE_INT8);  \
+      if (slop) _XEatData(dpy,4-slop);             \
+   }
+
+
+#define __GLX_SINGLE_GET_SHORT_ARRAY(a,alen)    \
+   {                                            \
+      GLint slop = (alen*__GLX_SIZE_INT16) & 3;    \
+      _XRead(dpy,(char *)a,alen*__GLX_SIZE_INT16); \
+      if (slop) _XEatData(dpy,4-slop);             \
+   }
+
+#define __GLX_SINGLE_GET_LONG_ARRAY(a,alen)        \
+   _XRead(dpy,(char *)a,alen*__GLX_SIZE_INT32);
+
+#ifndef _CRAY
+#define __GLX_SINGLE_GET_FLOAT_ARRAY(a,alen)       \
+   _XRead(dpy,(char *)a,alen*__GLX_SIZE_FLOAT32);
+
+#define __GLX_SINGLE_GET_DOUBLE_ARRAY(a,alen)      \
+   _XRead(dpy,(char *)a,alen*__GLX_SIZE_FLOAT64);
+
+#else
+#define __GLX_SINGLE_GET_FLOAT_ARRAY(a,alen)    \
+   gl_get_float_array(dpy,a,alen);
+
+#define __GLX_SINGLE_GET_DOUBLE_ARRAY(a,alen)   \
+   gl_get_double_array(dpy, a, alen);
+
+extern void gl_get_float_array(Display * dpy, float *a, int alen);
+extern void gl_get_double_array(Display * dpy, double *a, int alen);
+#endif
+
+#endif /* !__GLX_packsingle_h__ */