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, 415 insertions, 0 deletions

diff --git a/src/glx/x11/singlepix.c b/src/glx/x11/singlepix.c
new file mode 100644
index 00000000000..8b1737e4f6c
--- /dev/null
+++ b/src/glx/x11/singlepix.c
@@ -0,0 +1,415 @@
+/* $XFree86: xc/lib/GL/glx/singlepix.c,v 1.3 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 "packsingle.h"
+
+void glReadPixels(GLint x, GLint y, GLsizei width, GLsizei height,
+		  GLenum format, GLenum type, GLvoid *pixels)
+{
+    __GLX_SINGLE_DECLARE_VARIABLES();
+    const __GLXattribute * state;
+    xGLXReadPixelsReply reply;
+    GLubyte *buf;
+
+    if (!dpy) return;
+    __GLX_SINGLE_LOAD_VARIABLES();
+    state = gc->client_state_private;
+
+    /* Send request */
+    __GLX_SINGLE_BEGIN(X_GLsop_ReadPixels,__GLX_PAD(26));
+    __GLX_SINGLE_PUT_LONG(0,x);
+    __GLX_SINGLE_PUT_LONG(4,y);
+    __GLX_SINGLE_PUT_LONG(8,width);
+    __GLX_SINGLE_PUT_LONG(12,height);
+    __GLX_SINGLE_PUT_LONG(16,format);
+    __GLX_SINGLE_PUT_LONG(20,type);
+    __GLX_SINGLE_PUT_CHAR(24,state->storePack.swapEndian);
+    __GLX_SINGLE_PUT_CHAR(25,GL_FALSE);
+    __GLX_SINGLE_READ_XREPLY();
+    compsize = reply.length << 2;
+
+    if (compsize != 0) {
+	/* Allocate a holding buffer to transform the data from */
+	buf = (GLubyte*) Xmalloc(compsize);
+	if (!buf) {
+	    /* Throw data away */
+	    _XEatData(dpy, compsize);
+	    __glXSetError(gc, GL_OUT_OF_MEMORY);
+	} else {
+	    /*
+	    ** Fetch data into holding buffer.  Apply pixel store pack modes
+	    ** to put data back into client memory
+	    */
+	    __GLX_SINGLE_GET_CHAR_ARRAY(buf,compsize);
+	    __glEmptyImage(gc, 2, width, height, 1, format, type, buf, pixels);
+	    Xfree((char*) buf);
+	}
+    } else {
+	/*
+	** GL error occurred; don't modify user's buffer.
+	*/
+    }
+    __GLX_SINGLE_END();
+}
+
+void glGetTexImage(GLenum target, GLint level, GLenum format, GLenum type,
+		   GLvoid *texels)
+{
+    __GLX_SINGLE_DECLARE_VARIABLES();
+    const __GLXattribute * state;
+    xGLXGetTexImageReply reply;
+    GLubyte *buf;
+
+    if (!dpy) return;
+    __GLX_SINGLE_LOAD_VARIABLES();
+    state = gc->client_state_private;
+
+    /* Send request */
+    __GLX_SINGLE_BEGIN(X_GLsop_GetTexImage,__GLX_PAD(17));
+    __GLX_SINGLE_PUT_LONG(0,target);
+    __GLX_SINGLE_PUT_LONG(4,level);
+    __GLX_SINGLE_PUT_LONG(8,format);
+    __GLX_SINGLE_PUT_LONG(12,type);
+    __GLX_SINGLE_PUT_CHAR(16,state->storePack.swapEndian);
+    __GLX_SINGLE_READ_XREPLY();
+    compsize = reply.length << 2;
+
+    if (compsize != 0) {
+	/* Allocate a holding buffer to transform the data from */
+	buf = (GLubyte*) Xmalloc(compsize);
+	if (!buf) {
+	    /* Throw data away */
+	    _XEatData(dpy, compsize);
+	    __glXSetError(gc, GL_OUT_OF_MEMORY);
+	} else {
+	    GLint width, height, depth;
+
+	    /*
+	    ** Fetch data into holding buffer.  Apply pixel store pack modes
+	    ** to put data back into client memory
+	    */
+	    width = reply.width;
+	    height = reply.height;
+	    depth = reply.depth;
+	    __GLX_SINGLE_GET_CHAR_ARRAY(buf,compsize);
+	    __glEmptyImage(gc, 2, width, height, depth, format, type, buf,
+			   texels);
+	    Xfree((char*) buf);
+	}
+    } else {
+	/*
+	** GL error occured, don't modify user's buffer.
+	*/
+    }
+    __GLX_SINGLE_END();
+}
+
+void glGetPolygonStipple(GLubyte *mask)
+{
+    __GLX_SINGLE_DECLARE_VARIABLES();
+    xGLXSingleReply reply;
+    GLubyte buf[128];
+
+    if (!dpy) return;
+
+    __GLX_SINGLE_LOAD_VARIABLES();
+    __GLX_SINGLE_BEGIN(X_GLsop_GetPolygonStipple,__GLX_PAD(1));
+    __GLX_SINGLE_PUT_CHAR(0,GL_FALSE);
+    __GLX_SINGLE_READ_XREPLY();
+    if (reply.length == 32) {
+	__GLX_SINGLE_GET_CHAR_ARRAY(buf,128);
+	__glEmptyImage(gc, 2, 32, 32, 1, GL_COLOR_INDEX, GL_BITMAP, buf, mask);
+    }
+    __GLX_SINGLE_END();
+}
+
+void glGetColorTable(GLenum target, GLenum format, GLenum type, GLvoid *table)
+{
+    __GLX_SINGLE_DECLARE_VARIABLES();
+    const __GLXattribute * state;
+    xGLXGetColorTableReply reply;
+    GLubyte *buf;
+
+    if (!dpy) return;
+    __GLX_SINGLE_LOAD_VARIABLES();
+    state = gc->client_state_private;
+
+    /* Send request */
+    __GLX_SINGLE_BEGIN(X_GLsop_GetColorTable,__GLX_PAD(13));
+    __GLX_SINGLE_PUT_LONG(0,(long)target);
+    __GLX_SINGLE_PUT_LONG(4,(long)format);
+    __GLX_SINGLE_PUT_LONG(8,(long)type);
+    __GLX_SINGLE_PUT_CHAR(12,state->storePack.swapEndian);
+    __GLX_SINGLE_READ_XREPLY();
+    compsize = (long)reply.length << 2;
+
+    if (compsize != 0) {
+        /* Allocate a holding buffer to transform the data from */
+        buf = (GLubyte*)Xmalloc(compsize);
+        if (!buf) {
+            /* Throw data away */
+            _XEatData(dpy, compsize);
+            __glXSetError(gc, GL_OUT_OF_MEMORY);
+        } else {
+            GLint width;
+
+            /*
+            ** Fetch data into holding buffer.  Apply pixel store pack modes
+            ** to put data back into client memory
+            */
+            width = (int)reply.width;
+            __GLX_SINGLE_GET_CHAR_ARRAY(((char*)buf),(long)compsize);
+            __glEmptyImage(gc, 1, width, 1, 1, format, type, buf, table);
+            Xfree((char*) buf);
+        }
+    } else {
+        /*
+        ** GL error occured, don't modify user's buffer.
+        */
+    }
+    __GLX_SINGLE_END();
+}
+
+void glGetConvolutionFilter(GLenum target, GLenum format, GLenum type,
+			    GLvoid *image)
+{
+    __GLX_SINGLE_DECLARE_VARIABLES();
+    const __GLXattribute * state;
+    xGLXGetConvolutionFilterReply reply;
+    GLubyte *buf;
+
+    if (!dpy) return;
+    __GLX_SINGLE_LOAD_VARIABLES();
+    state = gc->client_state_private;
+
+    /* Send request */
+    __GLX_SINGLE_BEGIN(X_GLsop_GetConvolutionFilter, __GLX_PAD(13));
+    __GLX_SINGLE_PUT_LONG(0,target);
+    __GLX_SINGLE_PUT_LONG(4,format);
+    __GLX_SINGLE_PUT_LONG(8,type);
+    __GLX_SINGLE_PUT_CHAR(12,state->storePack.swapEndian);
+    __GLX_SINGLE_READ_XREPLY();
+    compsize = reply.length << 2;
+
+    if (compsize != 0) {
+	/* Allocate a holding buffer to transform the data from */
+	buf = (GLubyte*) Xmalloc(compsize);
+	if (!buf) {
+	    /* Throw data away */
+	    _XEatData(dpy, compsize);
+	    __glXSetError(gc, GL_OUT_OF_MEMORY);
+	} else {
+	    GLint width, height;
+
+	    /*
+	    ** Fetch data into holding buffer.  Apply pixel store pack modes
+	    ** to put data back into client memory
+	    */
+	    width = reply.width;
+	    height = reply.height;
+	    __GLX_SINGLE_GET_CHAR_ARRAY(((char*)buf),compsize);
+	    __glEmptyImage(gc, 2, width, height, 1, format, type, buf, image);
+	    Xfree((char*) buf);
+	}
+    } else {
+	/*
+	** GL error occured, don't modify user's buffer.
+	*/
+    }
+    __GLX_SINGLE_END();
+}
+
+void glGetSeparableFilter(GLenum target, GLenum format, GLenum type,
+			  GLvoid *row, GLvoid *column, GLvoid *span)
+{
+    __GLX_SINGLE_DECLARE_VARIABLES();
+    const __GLXattribute * state;
+    xGLXGetSeparableFilterReply reply;
+    GLubyte *rowBuf, *colBuf;
+
+    if (!dpy) return;
+    __GLX_SINGLE_LOAD_VARIABLES();
+    state = gc->client_state_private;
+
+    /* Send request */
+    __GLX_SINGLE_BEGIN(X_GLsop_GetSeparableFilter, __GLX_PAD(13));
+    __GLX_SINGLE_PUT_LONG(0,target);
+    __GLX_SINGLE_PUT_LONG(4,format);
+    __GLX_SINGLE_PUT_LONG(8,type);
+    __GLX_SINGLE_PUT_CHAR(12,state->storePack.swapEndian);
+    __GLX_SINGLE_READ_XREPLY();
+    compsize = reply.length << 2;
+
+    if (compsize != 0) {
+	GLint width, height;
+	GLint widthsize, heightsize;
+
+	width = reply.width;
+	height = reply.height;
+
+	widthsize = __glImageSize(width,1,1,format, type);
+	heightsize = __glImageSize(height,1,1,format, type);
+
+	/* Allocate a holding buffer to transform the data from */
+	rowBuf = (GLubyte*) Xmalloc(widthsize);
+	if (!rowBuf) {
+	    /* Throw data away */
+	    _XEatData(dpy, compsize);
+	    __glXSetError(gc, GL_OUT_OF_MEMORY);
+	    UnlockDisplay(dpy);
+	    SyncHandle();
+	    return;
+	} else {
+	    __GLX_SINGLE_GET_CHAR_ARRAY(((char*)rowBuf),widthsize);
+	    __glEmptyImage(gc, 1, width, 1, 1, format, type, rowBuf, row);
+	    Xfree((char*) rowBuf);
+	}
+	colBuf = (GLubyte*) Xmalloc(heightsize);
+	if (!colBuf) {
+	    /* Throw data away */
+	    _XEatData(dpy, compsize - __GLX_PAD(widthsize));
+	    __glXSetError(gc, GL_OUT_OF_MEMORY);
+	    UnlockDisplay(dpy);
+	    SyncHandle();
+	    return;
+	} else {
+	    __GLX_SINGLE_GET_CHAR_ARRAY(((char*)colBuf),heightsize);
+	    __glEmptyImage(gc, 1, height, 1, 1, format, type, colBuf, column);
+	    Xfree((char*) colBuf);
+	}
+    } else {
+	/*
+	** don't modify user's buffer.
+	*/
+    }
+    __GLX_SINGLE_END();
+    
+}
+
+void glGetHistogram(GLenum target, GLboolean reset, GLenum format,
+		    GLenum type, GLvoid *values)
+{
+    __GLX_SINGLE_DECLARE_VARIABLES();
+    const __GLXattribute * state;
+    xGLXGetHistogramReply reply;
+    GLubyte *buf;
+
+    if (!dpy) return;
+    __GLX_SINGLE_LOAD_VARIABLES();
+    state = gc->client_state_private;
+
+    /* Send request */
+    __GLX_SINGLE_BEGIN(X_GLsop_GetHistogram,__GLX_PAD(14));
+    __GLX_SINGLE_PUT_LONG(0,(long)target);
+    __GLX_SINGLE_PUT_LONG(4,(long)format);
+    __GLX_SINGLE_PUT_LONG(8,(long)type);
+    __GLX_SINGLE_PUT_CHAR(12,state->storePack.swapEndian);
+    __GLX_SINGLE_PUT_CHAR(13,reset);
+    __GLX_SINGLE_READ_XREPLY();
+    compsize = (long)reply.length << 2;
+
+    if (compsize != 0) {
+        /* Allocate a holding buffer to transform the data from */
+        buf = (GLubyte*)Xmalloc(compsize);
+        if (!buf) {
+            /* Throw data away */
+            _XEatData(dpy, compsize);
+            __glXSetError(gc, GL_OUT_OF_MEMORY);
+        } else {
+            GLint width;
+
+            /*
+            ** Fetch data into holding buffer.  Apply pixel store pack modes
+            ** to put data back into client memory
+            */
+            width = (int)reply.width;
+            __GLX_SINGLE_GET_CHAR_ARRAY(((char*)buf),(long)compsize);
+            __glEmptyImage(gc, 1, width, 1, 1, format, type, buf, values);
+            Xfree((char*) buf);
+        }
+    } else {
+        /*
+        ** GL error occured, don't modify user's buffer.
+        */
+    }
+    __GLX_SINGLE_END();
+}
+
+void glGetMinmax(GLenum target, GLboolean reset, GLenum format, GLenum type,
+		 GLvoid *values)
+{
+    __GLX_SINGLE_DECLARE_VARIABLES();
+    const __GLXattribute * state;
+    xGLXGetMinmaxReply reply;
+    GLubyte *buf;
+
+    if (!dpy) return;
+    __GLX_SINGLE_LOAD_VARIABLES();
+    state = gc->client_state_private;
+
+    /* Send request */
+    __GLX_SINGLE_BEGIN(X_GLsop_GetMinmax,__GLX_PAD(14));
+    __GLX_SINGLE_PUT_LONG(0,(long)target);
+    __GLX_SINGLE_PUT_LONG(4,(long)format);
+    __GLX_SINGLE_PUT_LONG(8,(long)type);
+    __GLX_SINGLE_PUT_CHAR(12,state->storePack.swapEndian);
+    __GLX_SINGLE_PUT_CHAR(13,reset);
+    __GLX_SINGLE_READ_XREPLY();
+    compsize = (long)reply.length << 2;
+
+    if (compsize != 0) {
+        /* Allocate a holding buffer to transform the data from */
+        buf = (GLubyte*)Xmalloc(compsize);
+        if (!buf) {
+            /* Throw data away */
+            _XEatData(dpy, compsize);
+            __glXSetError(gc, GL_OUT_OF_MEMORY);
+        } else {
+            /*
+            ** Fetch data into holding buffer.  Apply pixel store pack modes
+            ** to put data back into client memory
+            */
+            __GLX_SINGLE_GET_CHAR_ARRAY(((char*)buf),(long)compsize);
+            __glEmptyImage(gc, 1, 2, 1, 1, format, type, buf, values);
+            Xfree((char*) buf);
+        }
+    } else {
+        /*
+        ** GL error occured, don't modify user's buffer.
+        */
+    }
+    __GLX_SINGLE_END();
+}