xserver mesa git update 30 Mar 2011

1 files changed, 528 insertions, 528 deletions

diff --git a/xorg-server/glx/singlepix.c b/xorg-server/glx/singlepix.c
index a0a6a7918..691877a38 100644
--- a/xorg-server/glx/singlepix.c
+++ b/xorg-server/glx/singlepix.c
@@ -1,528 +1,528 @@
-/*
- * 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.
- */
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include "glxserver.h"
-#include "glxext.h"
-#include "singlesize.h"
-#include "unpack.h"
-#include "indirect_size_get.h"
-#include "indirect_dispatch.h"
-#include "glapitable.h"
-#include "glapi.h"
-#include "glthread.h"
-#include "dispatch.h"
-
-int __glXDisp_ReadPixels(__GLXclientState *cl, GLbyte *pc)
-{
-    GLsizei width, height;
-    GLenum format, type;
-    GLboolean swapBytes, lsbFirst;
-    GLint compsize;
-    __GLXcontext *cx;
-    ClientPtr client = cl->client;
-    int error;
-    char *answer, answerBuffer[200];
-
-    cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);
-    if (!cx) {
-	return error;
-    }
-
-    pc += __GLX_SINGLE_HDR_SIZE;
-    width = *(GLsizei *)(pc + 8);
-    height = *(GLsizei *)(pc + 12);
-    format = *(GLenum *)(pc + 16);
-    type = *(GLenum *)(pc + 20);
-    swapBytes = *(GLboolean *)(pc + 24);
-    lsbFirst = *(GLboolean *)(pc + 25);
-    compsize = __glReadPixels_size(format,type,width,height);
-    if (compsize < 0) compsize = 0;
-
-    CALL_PixelStorei( GET_DISPATCH(), (GL_PACK_SWAP_BYTES, swapBytes) );
-    CALL_PixelStorei( GET_DISPATCH(), (GL_PACK_LSB_FIRST, lsbFirst) );
-    __GLX_GET_ANSWER_BUFFER(answer,cl,compsize,1);
-    __glXClearErrorOccured();
-    CALL_ReadPixels( GET_DISPATCH(), (
-		 *(GLint    *)(pc + 0),
-		 *(GLint    *)(pc + 4),
-		 *(GLsizei  *)(pc + 8),
-		 *(GLsizei  *)(pc + 12),
-		 *(GLenum   *)(pc + 16),
-		 *(GLenum   *)(pc + 20),
-		 answer
-		 ) );
-
-    if (__glXErrorOccured()) {
-	__GLX_BEGIN_REPLY(0);
-	__GLX_SEND_HEADER();
-    } else {
-	__GLX_BEGIN_REPLY(compsize);
-	__GLX_SEND_HEADER();
-	__GLX_SEND_VOID_ARRAY(compsize);
-    }
-    __GLX_NOTE_FLUSHED_CMDS(cx);
-    return Success;
-}
-
-int __glXDisp_GetTexImage(__GLXclientState *cl, GLbyte *pc)
-{
-    GLint level, compsize;
-    GLenum format, type, target;
-    GLboolean swapBytes;
-    __GLXcontext *cx;
-    ClientPtr client = cl->client;
-    int error;
-    char *answer, answerBuffer[200];
-    GLint width=0, height=0, depth=1;
-
-    cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);
-    if (!cx) {
-	return error;
-    }
-
-    pc += __GLX_SINGLE_HDR_SIZE;
-    level = *(GLint *)(pc + 4);
-    format = *(GLenum *)(pc + 8);
-    type = *(GLenum *)(pc + 12);
-    target = *(GLenum *)(pc + 0);
-    swapBytes = *(GLboolean *)(pc + 16);
-
-    CALL_GetTexLevelParameteriv( GET_DISPATCH(), (target, level, GL_TEXTURE_WIDTH, &width) );
-    CALL_GetTexLevelParameteriv( GET_DISPATCH(), (target, level, GL_TEXTURE_HEIGHT, &height) );
-    if ( target == GL_TEXTURE_3D) {
-	CALL_GetTexLevelParameteriv( GET_DISPATCH(), (target, level, GL_TEXTURE_DEPTH, &depth) );
-    }
-    /*
-     * The three queries above might fail if we're in a state where queries
-     * are illegal, but then width, height, and depth would still be zero anyway.
-     */
-    compsize = __glGetTexImage_size(target,level,format,type,width,height,depth);
-    if (compsize < 0) compsize = 0;
-
-    CALL_PixelStorei( GET_DISPATCH(), (GL_PACK_SWAP_BYTES, swapBytes) );
-    __GLX_GET_ANSWER_BUFFER(answer,cl,compsize,1);
-    __glXClearErrorOccured();
-    CALL_GetTexImage( GET_DISPATCH(), (
-		  *(GLenum   *)(pc + 0),
-		  *(GLint    *)(pc + 4),
-		  *(GLenum   *)(pc + 8),
-		  *(GLenum   *)(pc + 12),
-		  answer
-		  ) );
-
-    if (__glXErrorOccured()) {
-	__GLX_BEGIN_REPLY(0);
-	__GLX_SEND_HEADER();
-    } else {
-	__GLX_BEGIN_REPLY(compsize);
-	((xGLXGetTexImageReply *)&__glXReply)->width = width;
-	((xGLXGetTexImageReply *)&__glXReply)->height = height;
-	((xGLXGetTexImageReply *)&__glXReply)->depth = depth;
-	__GLX_SEND_HEADER();
-	__GLX_SEND_VOID_ARRAY(compsize);
-    }
-    return Success;
-}
-
-int __glXDisp_GetPolygonStipple(__GLXclientState *cl, GLbyte *pc)
-{
-    GLboolean lsbFirst;
-    __GLXcontext *cx;
-    ClientPtr client = cl->client;
-    int error;
-    GLubyte answerBuffer[200];
-    char *answer;
-
-    cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);
-    if (!cx) {
-	return error;
-    }
-
-    pc += __GLX_SINGLE_HDR_SIZE;
-    lsbFirst = *(GLboolean *)(pc + 0);
-
-    CALL_PixelStorei( GET_DISPATCH(), (GL_PACK_LSB_FIRST, lsbFirst) );
-    __GLX_GET_ANSWER_BUFFER(answer,cl,128,1);
-
-    __glXClearErrorOccured();
-    CALL_GetPolygonStipple( GET_DISPATCH(), ((GLubyte  *) answer) );
-
-    if (__glXErrorOccured()) {
-	__GLX_BEGIN_REPLY(0);
-	__GLX_SEND_HEADER();
-    } else {
-	__GLX_BEGIN_REPLY(128);
-	__GLX_SEND_HEADER();
-	__GLX_SEND_BYTE_ARRAY(128);
-    }
-    return Success;
-}
-
-static int GetSeparableFilter(__GLXclientState *cl, GLbyte *pc, GLXContextTag tag)
-{
-    GLint compsize, compsize2;
-    GLenum format, type, target;
-    GLboolean swapBytes;
-    __GLXcontext *cx;
-    ClientPtr client = cl->client;
-    int error;
-    char *answer, answerBuffer[200];
-    GLint width=0, height=0;
-
-    cx = __glXForceCurrent(cl, tag, &error);
-    if (!cx) {
-	return error;
-    }
-
-    format = *(GLenum *)(pc + 4);
-    type = *(GLenum *)(pc + 8);
-    target = *(GLenum *)(pc + 0);
-    swapBytes = *(GLboolean *)(pc + 12);
-
-    /* target must be SEPARABLE_2D, however I guess we can let the GL
-       barf on this one.... */
-
-    CALL_GetConvolutionParameteriv(GET_DISPATCH(), (target, GL_CONVOLUTION_WIDTH, &width));
-    CALL_GetConvolutionParameteriv(GET_DISPATCH(), (target, GL_CONVOLUTION_HEIGHT, &height));
-    /*
-     * The two queries above might fail if we're in a state where queries
-     * are illegal, but then width and height would still be zero anyway.
-     */
-    compsize = __glGetTexImage_size(target,1,format,type,width,1,1);
-    compsize2 = __glGetTexImage_size(target,1,format,type,height,1,1);
-
-    if (compsize < 0) compsize = 0;
-    if (compsize2 < 0) compsize2 = 0;
-    compsize = __GLX_PAD(compsize);
-    compsize2 = __GLX_PAD(compsize2);
-
-    CALL_PixelStorei(GET_DISPATCH(), (GL_PACK_SWAP_BYTES, swapBytes));
-    __GLX_GET_ANSWER_BUFFER(answer,cl,compsize + compsize2,1);
-    __glXClearErrorOccured();
-    CALL_GetSeparableFilter( GET_DISPATCH(), (
-		  *(GLenum   *)(pc + 0),
-		  *(GLenum   *)(pc + 4),
-		  *(GLenum   *)(pc + 8),
-		  answer,
-		  answer + compsize,
-		  NULL
-		  ) );
-
-    if (__glXErrorOccured()) {
-	__GLX_BEGIN_REPLY(0);
-	__GLX_SEND_HEADER();
-    } else {
-	__GLX_BEGIN_REPLY(compsize + compsize2);
-	((xGLXGetSeparableFilterReply *)&__glXReply)->width = width;
-	((xGLXGetSeparableFilterReply *)&__glXReply)->height = height;
-	__GLX_SEND_HEADER();
-	__GLX_SEND_VOID_ARRAY(compsize + compsize2);
-    }
-
-    return Success;
-}
-
-int __glXDisp_GetSeparableFilter(__GLXclientState *cl, GLbyte *pc)
-{
-    const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc);
-
-    return GetSeparableFilter(cl, pc + __GLX_SINGLE_HDR_SIZE, tag);
-}
-
-int __glXDisp_GetSeparableFilterEXT(__GLXclientState *cl, GLbyte *pc)
-{
-    const GLXContextTag tag = __GLX_GET_VENDPRIV_CONTEXT_TAG(pc);
-
-    return GetSeparableFilter(cl, pc + __GLX_VENDPRIV_HDR_SIZE, tag);
-}
-
-static int GetConvolutionFilter(__GLXclientState *cl, GLbyte *pc,
-				GLXContextTag tag)
-{
-    GLint compsize;
-    GLenum format, type, target;
-    GLboolean swapBytes;
-    __GLXcontext *cx;
-    ClientPtr client = cl->client;
-    int error;
-    char *answer, answerBuffer[200];
-    GLint width=0, height=0;
-
-    cx = __glXForceCurrent(cl, tag, &error);
-    if (!cx) {
-	return error;
-    }
-
-    format = *(GLenum *)(pc + 4);
-    type = *(GLenum *)(pc + 8);
-    target = *(GLenum *)(pc + 0);
-    swapBytes = *(GLboolean *)(pc + 12);
-
-    CALL_GetConvolutionParameteriv(GET_DISPATCH(), 
-				   (target, GL_CONVOLUTION_WIDTH, &width));
-    if (target == GL_CONVOLUTION_1D) {
-        height = 1;
-    } else {
-	CALL_GetConvolutionParameteriv(GET_DISPATCH(),
-				       (target, GL_CONVOLUTION_HEIGHT, &height));
-    }
-    /*
-     * The two queries above might fail if we're in a state where queries
-     * are illegal, but then width and height would still be zero anyway.
-     */
-    compsize = __glGetTexImage_size(target,1,format,type,width,height,1);
-    if (compsize < 0) compsize = 0;
-
-    CALL_PixelStorei(GET_DISPATCH(), (GL_PACK_SWAP_BYTES, swapBytes));
-    __GLX_GET_ANSWER_BUFFER(answer,cl,compsize,1);
-    __glXClearErrorOccured();
-    CALL_GetConvolutionFilter( GET_DISPATCH(), (
-		  *(GLenum   *)(pc + 0),
-		  *(GLenum   *)(pc + 4),
-		  *(GLenum   *)(pc + 8),
-		  answer
-		  ) );
-
-    if (__glXErrorOccured()) {
-	__GLX_BEGIN_REPLY(0);
-	__GLX_SEND_HEADER();
-    } else {
-	__GLX_BEGIN_REPLY(compsize);
-	((xGLXGetConvolutionFilterReply *)&__glXReply)->width = width;
-	((xGLXGetConvolutionFilterReply *)&__glXReply)->height = height;
-	__GLX_SEND_HEADER();
-	__GLX_SEND_VOID_ARRAY(compsize);
-    }
-
-    return Success;
-}
-
-int __glXDisp_GetConvolutionFilter(__GLXclientState *cl, GLbyte *pc)
-{
-    const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc);
-
-    return GetConvolutionFilter(cl, pc + __GLX_SINGLE_HDR_SIZE, tag);
-}
-
-int __glXDisp_GetConvolutionFilterEXT(__GLXclientState *cl, GLbyte *pc)
-{
-    const GLXContextTag tag = __GLX_GET_VENDPRIV_CONTEXT_TAG(pc);
-
-    return GetConvolutionFilter(cl, pc + __GLX_VENDPRIV_HDR_SIZE, tag);
-}
-
-static int GetHistogram(__GLXclientState *cl, GLbyte *pc, GLXContextTag tag)
-{
-    GLint compsize;
-    GLenum format, type, target;
-    GLboolean swapBytes, reset;
-    __GLXcontext *cx;
-    ClientPtr client = cl->client;
-    int error;
-    char *answer, answerBuffer[200];
-    GLint width=0;
-
-    cx = __glXForceCurrent(cl, tag, &error);
-    if (!cx) {
-	return error;
-    }
-
-    format = *(GLenum *)(pc + 4);
-    type = *(GLenum *)(pc + 8);
-    target = *(GLenum *)(pc + 0);
-    swapBytes = *(GLboolean *)(pc + 12);
-    reset = *(GLboolean *)(pc + 13);
-
-    CALL_GetHistogramParameteriv(GET_DISPATCH(),
-				 (target, GL_HISTOGRAM_WIDTH, &width));
-    /*
-     * The one query above might fail if we're in a state where queries
-     * are illegal, but then width would still be zero anyway.
-     */
-    compsize = __glGetTexImage_size(target,1,format,type,width,1,1);
-    if (compsize < 0) compsize = 0;
-
-    CALL_PixelStorei(GET_DISPATCH(), (GL_PACK_SWAP_BYTES, swapBytes));
-    __GLX_GET_ANSWER_BUFFER(answer,cl,compsize,1);
-    __glXClearErrorOccured();
-    CALL_GetHistogram(GET_DISPATCH(), (target, reset, format, type, answer));
-
-    if (__glXErrorOccured()) {
-	__GLX_BEGIN_REPLY(0);
-	__GLX_SEND_HEADER();
-    } else {
-	__GLX_BEGIN_REPLY(compsize);
-	((xGLXGetHistogramReply *)&__glXReply)->width = width;
-	__GLX_SEND_HEADER();
-	__GLX_SEND_VOID_ARRAY(compsize);
-    }
-
-    return Success;
-}
-
-int __glXDisp_GetHistogram(__GLXclientState *cl, GLbyte *pc)
-{
-    const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc);
-
-    return GetHistogram(cl, pc + __GLX_SINGLE_HDR_SIZE, tag);
-}
-
-int __glXDisp_GetHistogramEXT(__GLXclientState *cl, GLbyte *pc)
-{
-    const GLXContextTag tag = __GLX_GET_VENDPRIV_CONTEXT_TAG(pc);
-
-    return GetHistogram(cl, pc + __GLX_VENDPRIV_HDR_SIZE, tag);
-}
-
-static int GetMinmax(__GLXclientState *cl, GLbyte *pc, GLXContextTag tag)
-{
-    GLint compsize;
-    GLenum format, type, target;
-    GLboolean swapBytes, reset;
-    __GLXcontext *cx;
-    ClientPtr client = cl->client;
-    int error;
-    char *answer, answerBuffer[200];
-
-    cx = __glXForceCurrent(cl, tag, &error);
-    if (!cx) {
-	return error;
-    }
-
-    format = *(GLenum *)(pc + 4);
-    type = *(GLenum *)(pc + 8);
-    target = *(GLenum *)(pc + 0);
-    swapBytes = *(GLboolean *)(pc + 12);
-    reset = *(GLboolean *)(pc + 13);
-
-    compsize = __glGetTexImage_size(target,1,format,type,2,1,1);
-    if (compsize < 0) compsize = 0;
-
-    CALL_PixelStorei(GET_DISPATCH(), (GL_PACK_SWAP_BYTES, swapBytes));
-    __GLX_GET_ANSWER_BUFFER(answer,cl,compsize,1);
-    __glXClearErrorOccured();
-    CALL_GetMinmax(GET_DISPATCH(), (target, reset, format, type, answer));
-
-    if (__glXErrorOccured()) {
-	__GLX_BEGIN_REPLY(0);
-	__GLX_SEND_HEADER();
-    } else {
-	__GLX_BEGIN_REPLY(compsize);
-	__GLX_SEND_HEADER();
-	__GLX_SEND_VOID_ARRAY(compsize);
-    }
-
-    return Success;
-}
-
-int __glXDisp_GetMinmax(__GLXclientState *cl, GLbyte *pc)
-{
-    const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc);
-
-    return GetMinmax(cl, pc + __GLX_SINGLE_HDR_SIZE, tag);
-}
-
-int __glXDisp_GetMinmaxEXT(__GLXclientState *cl, GLbyte *pc)
-{
-    const GLXContextTag tag = __GLX_GET_VENDPRIV_CONTEXT_TAG(pc);
-
-    return GetMinmax(cl, pc + __GLX_VENDPRIV_HDR_SIZE, tag);
-}
-
-static int GetColorTable(__GLXclientState *cl, GLbyte *pc, GLXContextTag tag)
-{
-    GLint compsize;
-    GLenum format, type, target;
-    GLboolean swapBytes;
-    __GLXcontext *cx;
-    ClientPtr client = cl->client;
-    int error;
-    char *answer, answerBuffer[200];
-    GLint width=0;
-
-    cx = __glXForceCurrent(cl, tag, &error);
-    if (!cx) {
-	return error;
-    }
-
-    target = *(GLenum *)(pc + 0);
-    format = *(GLenum *)(pc + 4);
-    type = *(GLenum *)(pc + 8);
-    swapBytes = *(GLboolean *)(pc + 12);
-
-    CALL_GetColorTableParameteriv(GET_DISPATCH(), 
-				  (target, GL_COLOR_TABLE_WIDTH, &width));
-    /*
-     * The one query above might fail if we're in a state where queries
-     * are illegal, but then width would still be zero anyway.
-     */
-    compsize = __glGetTexImage_size(target,1,format,type,width,1,1);
-    if (compsize < 0) compsize = 0;
-
-    CALL_PixelStorei(GET_DISPATCH(), (GL_PACK_SWAP_BYTES, swapBytes));
-    __GLX_GET_ANSWER_BUFFER(answer,cl,compsize,1);
-    __glXClearErrorOccured();
-    CALL_GetColorTable( GET_DISPATCH(), (
-		  *(GLenum   *)(pc + 0),
-		  *(GLenum   *)(pc + 4),
-		  *(GLenum   *)(pc + 8),
-		  answer
-		  ) );
-
-    if (__glXErrorOccured()) {
-	__GLX_BEGIN_REPLY(0);
-	__GLX_SEND_HEADER();
-    } else {
-	__GLX_BEGIN_REPLY(compsize);
-	((xGLXGetColorTableReply *)&__glXReply)->width = width;
-	__GLX_SEND_HEADER();
-	__GLX_SEND_VOID_ARRAY(compsize);
-    }
-
-    return Success;
-}
-
-int __glXDisp_GetColorTable(__GLXclientState *cl, GLbyte *pc)
-{
-    const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc);
-
-    return GetColorTable(cl, pc + __GLX_SINGLE_HDR_SIZE, tag);
-}
-
-int __glXDisp_GetColorTableSGI(__GLXclientState *cl, GLbyte *pc)
-{
-    const GLXContextTag tag = __GLX_GET_VENDPRIV_CONTEXT_TAG(pc);
-
-    return GetColorTable(cl, pc + __GLX_VENDPRIV_HDR_SIZE, tag);
-}
+/*

+ * 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.

+ */

+

+#ifdef HAVE_DIX_CONFIG_H

+#include <dix-config.h>

+#endif

+

+#include "glxserver.h"

+#include "glxext.h"

+#include "singlesize.h"

+#include "unpack.h"

+#include "indirect_size_get.h"

+#include "indirect_dispatch.h"

+#include "glapitable.h"

+#include "glapi.h"

+#include "glthread.h"

+#include "dispatch.h"

+

+int __glXDisp_ReadPixels(__GLXclientState *cl, GLbyte *pc)

+{

+    GLsizei width, height;

+    GLenum format, type;

+    GLboolean swapBytes, lsbFirst;

+    GLint compsize;

+    __GLXcontext *cx;

+    ClientPtr client = cl->client;

+    int error;

+    char *answer, answerBuffer[200];

+

+    cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);

+    if (!cx) {

+	return error;

+    }

+

+    pc += __GLX_SINGLE_HDR_SIZE;

+    width = *(GLsizei *)(pc + 8);

+    height = *(GLsizei *)(pc + 12);

+    format = *(GLenum *)(pc + 16);

+    type = *(GLenum *)(pc + 20);

+    swapBytes = *(GLboolean *)(pc + 24);

+    lsbFirst = *(GLboolean *)(pc + 25);

+    compsize = __glReadPixels_size(format,type,width,height);

+    if (compsize < 0) compsize = 0;

+

+    CALL_PixelStorei( GET_DISPATCH(), (GL_PACK_SWAP_BYTES, swapBytes) );

+    CALL_PixelStorei( GET_DISPATCH(), (GL_PACK_LSB_FIRST, lsbFirst) );

+    __GLX_GET_ANSWER_BUFFER(answer,cl,compsize,1);

+    __glXClearErrorOccured();

+    CALL_ReadPixels( GET_DISPATCH(), (

+		 *(GLint    *)(pc + 0),

+		 *(GLint    *)(pc + 4),

+		 *(GLsizei  *)(pc + 8),

+		 *(GLsizei  *)(pc + 12),

+		 *(GLenum   *)(pc + 16),

+		 *(GLenum   *)(pc + 20),

+		 answer

+		 ) );

+

+    if (__glXErrorOccured()) {

+	__GLX_BEGIN_REPLY(0);

+	__GLX_SEND_HEADER();

+    } else {

+	__GLX_BEGIN_REPLY(compsize);

+	__GLX_SEND_HEADER();

+	__GLX_SEND_VOID_ARRAY(compsize);

+    }

+    cx->hasUnflushedCommands = GL_FALSE;

+    return Success;

+}

+

+int __glXDisp_GetTexImage(__GLXclientState *cl, GLbyte *pc)

+{

+    GLint level, compsize;

+    GLenum format, type, target;

+    GLboolean swapBytes;

+    __GLXcontext *cx;

+    ClientPtr client = cl->client;

+    int error;

+    char *answer, answerBuffer[200];

+    GLint width=0, height=0, depth=1;

+

+    cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);

+    if (!cx) {

+	return error;

+    }

+

+    pc += __GLX_SINGLE_HDR_SIZE;

+    level = *(GLint *)(pc + 4);

+    format = *(GLenum *)(pc + 8);

+    type = *(GLenum *)(pc + 12);

+    target = *(GLenum *)(pc + 0);

+    swapBytes = *(GLboolean *)(pc + 16);

+

+    CALL_GetTexLevelParameteriv( GET_DISPATCH(), (target, level, GL_TEXTURE_WIDTH, &width) );

+    CALL_GetTexLevelParameteriv( GET_DISPATCH(), (target, level, GL_TEXTURE_HEIGHT, &height) );

+    if ( target == GL_TEXTURE_3D) {

+	CALL_GetTexLevelParameteriv( GET_DISPATCH(), (target, level, GL_TEXTURE_DEPTH, &depth) );

+    }

+    /*

+     * The three queries above might fail if we're in a state where queries

+     * are illegal, but then width, height, and depth would still be zero anyway.

+     */

+    compsize = __glGetTexImage_size(target,level,format,type,width,height,depth);

+    if (compsize < 0) compsize = 0;

+

+    CALL_PixelStorei( GET_DISPATCH(), (GL_PACK_SWAP_BYTES, swapBytes) );

+    __GLX_GET_ANSWER_BUFFER(answer,cl,compsize,1);

+    __glXClearErrorOccured();

+    CALL_GetTexImage( GET_DISPATCH(), (

+		  *(GLenum   *)(pc + 0),

+		  *(GLint    *)(pc + 4),

+		  *(GLenum   *)(pc + 8),

+		  *(GLenum   *)(pc + 12),

+		  answer

+		  ) );

+

+    if (__glXErrorOccured()) {

+	__GLX_BEGIN_REPLY(0);

+	__GLX_SEND_HEADER();

+    } else {

+	__GLX_BEGIN_REPLY(compsize);

+	((xGLXGetTexImageReply *)&__glXReply)->width = width;

+	((xGLXGetTexImageReply *)&__glXReply)->height = height;

+	((xGLXGetTexImageReply *)&__glXReply)->depth = depth;

+	__GLX_SEND_HEADER();

+	__GLX_SEND_VOID_ARRAY(compsize);

+    }

+    return Success;

+}

+

+int __glXDisp_GetPolygonStipple(__GLXclientState *cl, GLbyte *pc)

+{

+    GLboolean lsbFirst;

+    __GLXcontext *cx;

+    ClientPtr client = cl->client;

+    int error;

+    GLubyte answerBuffer[200];

+    char *answer;

+

+    cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);

+    if (!cx) {

+	return error;

+    }

+

+    pc += __GLX_SINGLE_HDR_SIZE;

+    lsbFirst = *(GLboolean *)(pc + 0);

+

+    CALL_PixelStorei( GET_DISPATCH(), (GL_PACK_LSB_FIRST, lsbFirst) );

+    __GLX_GET_ANSWER_BUFFER(answer,cl,128,1);

+

+    __glXClearErrorOccured();

+    CALL_GetPolygonStipple( GET_DISPATCH(), ((GLubyte  *) answer) );

+

+    if (__glXErrorOccured()) {

+	__GLX_BEGIN_REPLY(0);

+	__GLX_SEND_HEADER();

+    } else {

+	__GLX_BEGIN_REPLY(128);

+	__GLX_SEND_HEADER();

+	__GLX_SEND_BYTE_ARRAY(128);

+    }

+    return Success;

+}

+

+static int GetSeparableFilter(__GLXclientState *cl, GLbyte *pc, GLXContextTag tag)

+{

+    GLint compsize, compsize2;

+    GLenum format, type, target;

+    GLboolean swapBytes;

+    __GLXcontext *cx;

+    ClientPtr client = cl->client;

+    int error;

+    char *answer, answerBuffer[200];

+    GLint width=0, height=0;

+

+    cx = __glXForceCurrent(cl, tag, &error);

+    if (!cx) {

+	return error;

+    }

+

+    format = *(GLenum *)(pc + 4);

+    type = *(GLenum *)(pc + 8);

+    target = *(GLenum *)(pc + 0);

+    swapBytes = *(GLboolean *)(pc + 12);

+

+    /* target must be SEPARABLE_2D, however I guess we can let the GL

+       barf on this one.... */

+

+    CALL_GetConvolutionParameteriv(GET_DISPATCH(), (target, GL_CONVOLUTION_WIDTH, &width));

+    CALL_GetConvolutionParameteriv(GET_DISPATCH(), (target, GL_CONVOLUTION_HEIGHT, &height));

+    /*

+     * The two queries above might fail if we're in a state where queries

+     * are illegal, but then width and height would still be zero anyway.

+     */

+    compsize = __glGetTexImage_size(target,1,format,type,width,1,1);

+    compsize2 = __glGetTexImage_size(target,1,format,type,height,1,1);

+

+    if (compsize < 0) compsize = 0;

+    if (compsize2 < 0) compsize2 = 0;

+    compsize = __GLX_PAD(compsize);

+    compsize2 = __GLX_PAD(compsize2);

+

+    CALL_PixelStorei(GET_DISPATCH(), (GL_PACK_SWAP_BYTES, swapBytes));

+    __GLX_GET_ANSWER_BUFFER(answer,cl,compsize + compsize2,1);

+    __glXClearErrorOccured();

+    CALL_GetSeparableFilter( GET_DISPATCH(), (

+		  *(GLenum   *)(pc + 0),

+		  *(GLenum   *)(pc + 4),

+		  *(GLenum   *)(pc + 8),

+		  answer,

+		  answer + compsize,

+		  NULL

+		  ) );

+

+    if (__glXErrorOccured()) {

+	__GLX_BEGIN_REPLY(0);

+	__GLX_SEND_HEADER();

+    } else {

+	__GLX_BEGIN_REPLY(compsize + compsize2);

+	((xGLXGetSeparableFilterReply *)&__glXReply)->width = width;

+	((xGLXGetSeparableFilterReply *)&__glXReply)->height = height;

+	__GLX_SEND_HEADER();

+	__GLX_SEND_VOID_ARRAY(compsize + compsize2);

+    }

+

+    return Success;

+}

+

+int __glXDisp_GetSeparableFilter(__GLXclientState *cl, GLbyte *pc)

+{

+    const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc);

+

+    return GetSeparableFilter(cl, pc + __GLX_SINGLE_HDR_SIZE, tag);

+}

+

+int __glXDisp_GetSeparableFilterEXT(__GLXclientState *cl, GLbyte *pc)

+{

+    const GLXContextTag tag = __GLX_GET_VENDPRIV_CONTEXT_TAG(pc);

+

+    return GetSeparableFilter(cl, pc + __GLX_VENDPRIV_HDR_SIZE, tag);

+}

+

+static int GetConvolutionFilter(__GLXclientState *cl, GLbyte *pc,

+				GLXContextTag tag)

+{

+    GLint compsize;

+    GLenum format, type, target;

+    GLboolean swapBytes;

+    __GLXcontext *cx;

+    ClientPtr client = cl->client;

+    int error;

+    char *answer, answerBuffer[200];

+    GLint width=0, height=0;

+

+    cx = __glXForceCurrent(cl, tag, &error);

+    if (!cx) {

+	return error;

+    }

+

+    format = *(GLenum *)(pc + 4);

+    type = *(GLenum *)(pc + 8);

+    target = *(GLenum *)(pc + 0);

+    swapBytes = *(GLboolean *)(pc + 12);

+

+    CALL_GetConvolutionParameteriv(GET_DISPATCH(), 

+				   (target, GL_CONVOLUTION_WIDTH, &width));

+    if (target == GL_CONVOLUTION_1D) {

+        height = 1;

+    } else {

+	CALL_GetConvolutionParameteriv(GET_DISPATCH(),

+				       (target, GL_CONVOLUTION_HEIGHT, &height));

+    }

+    /*

+     * The two queries above might fail if we're in a state where queries

+     * are illegal, but then width and height would still be zero anyway.

+     */

+    compsize = __glGetTexImage_size(target,1,format,type,width,height,1);

+    if (compsize < 0) compsize = 0;

+

+    CALL_PixelStorei(GET_DISPATCH(), (GL_PACK_SWAP_BYTES, swapBytes));

+    __GLX_GET_ANSWER_BUFFER(answer,cl,compsize,1);

+    __glXClearErrorOccured();

+    CALL_GetConvolutionFilter( GET_DISPATCH(), (

+		  *(GLenum   *)(pc + 0),

+		  *(GLenum   *)(pc + 4),

+		  *(GLenum   *)(pc + 8),

+		  answer

+		  ) );

+

+    if (__glXErrorOccured()) {

+	__GLX_BEGIN_REPLY(0);

+	__GLX_SEND_HEADER();

+    } else {

+	__GLX_BEGIN_REPLY(compsize);

+	((xGLXGetConvolutionFilterReply *)&__glXReply)->width = width;

+	((xGLXGetConvolutionFilterReply *)&__glXReply)->height = height;

+	__GLX_SEND_HEADER();

+	__GLX_SEND_VOID_ARRAY(compsize);

+    }

+

+    return Success;

+}

+

+int __glXDisp_GetConvolutionFilter(__GLXclientState *cl, GLbyte *pc)

+{

+    const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc);

+

+    return GetConvolutionFilter(cl, pc + __GLX_SINGLE_HDR_SIZE, tag);

+}

+

+int __glXDisp_GetConvolutionFilterEXT(__GLXclientState *cl, GLbyte *pc)

+{

+    const GLXContextTag tag = __GLX_GET_VENDPRIV_CONTEXT_TAG(pc);

+

+    return GetConvolutionFilter(cl, pc + __GLX_VENDPRIV_HDR_SIZE, tag);

+}

+

+static int GetHistogram(__GLXclientState *cl, GLbyte *pc, GLXContextTag tag)

+{

+    GLint compsize;

+    GLenum format, type, target;

+    GLboolean swapBytes, reset;

+    __GLXcontext *cx;

+    ClientPtr client = cl->client;

+    int error;

+    char *answer, answerBuffer[200];

+    GLint width=0;

+

+    cx = __glXForceCurrent(cl, tag, &error);

+    if (!cx) {

+	return error;

+    }

+

+    format = *(GLenum *)(pc + 4);

+    type = *(GLenum *)(pc + 8);

+    target = *(GLenum *)(pc + 0);

+    swapBytes = *(GLboolean *)(pc + 12);

+    reset = *(GLboolean *)(pc + 13);

+

+    CALL_GetHistogramParameteriv(GET_DISPATCH(),

+				 (target, GL_HISTOGRAM_WIDTH, &width));

+    /*

+     * The one query above might fail if we're in a state where queries

+     * are illegal, but then width would still be zero anyway.

+     */

+    compsize = __glGetTexImage_size(target,1,format,type,width,1,1);

+    if (compsize < 0) compsize = 0;

+

+    CALL_PixelStorei(GET_DISPATCH(), (GL_PACK_SWAP_BYTES, swapBytes));

+    __GLX_GET_ANSWER_BUFFER(answer,cl,compsize,1);

+    __glXClearErrorOccured();

+    CALL_GetHistogram(GET_DISPATCH(), (target, reset, format, type, answer));

+

+    if (__glXErrorOccured()) {

+	__GLX_BEGIN_REPLY(0);

+	__GLX_SEND_HEADER();

+    } else {

+	__GLX_BEGIN_REPLY(compsize);

+	((xGLXGetHistogramReply *)&__glXReply)->width = width;

+	__GLX_SEND_HEADER();

+	__GLX_SEND_VOID_ARRAY(compsize);

+    }

+

+    return Success;

+}

+

+int __glXDisp_GetHistogram(__GLXclientState *cl, GLbyte *pc)

+{

+    const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc);

+

+    return GetHistogram(cl, pc + __GLX_SINGLE_HDR_SIZE, tag);

+}

+

+int __glXDisp_GetHistogramEXT(__GLXclientState *cl, GLbyte *pc)

+{

+    const GLXContextTag tag = __GLX_GET_VENDPRIV_CONTEXT_TAG(pc);

+

+    return GetHistogram(cl, pc + __GLX_VENDPRIV_HDR_SIZE, tag);

+}

+

+static int GetMinmax(__GLXclientState *cl, GLbyte *pc, GLXContextTag tag)

+{

+    GLint compsize;

+    GLenum format, type, target;

+    GLboolean swapBytes, reset;

+    __GLXcontext *cx;

+    ClientPtr client = cl->client;

+    int error;

+    char *answer, answerBuffer[200];

+

+    cx = __glXForceCurrent(cl, tag, &error);

+    if (!cx) {

+	return error;

+    }

+

+    format = *(GLenum *)(pc + 4);

+    type = *(GLenum *)(pc + 8);

+    target = *(GLenum *)(pc + 0);

+    swapBytes = *(GLboolean *)(pc + 12);

+    reset = *(GLboolean *)(pc + 13);

+

+    compsize = __glGetTexImage_size(target,1,format,type,2,1,1);

+    if (compsize < 0) compsize = 0;

+

+    CALL_PixelStorei(GET_DISPATCH(), (GL_PACK_SWAP_BYTES, swapBytes));

+    __GLX_GET_ANSWER_BUFFER(answer,cl,compsize,1);

+    __glXClearErrorOccured();

+    CALL_GetMinmax(GET_DISPATCH(), (target, reset, format, type, answer));

+

+    if (__glXErrorOccured()) {

+	__GLX_BEGIN_REPLY(0);

+	__GLX_SEND_HEADER();

+    } else {

+	__GLX_BEGIN_REPLY(compsize);

+	__GLX_SEND_HEADER();

+	__GLX_SEND_VOID_ARRAY(compsize);

+    }

+

+    return Success;

+}

+

+int __glXDisp_GetMinmax(__GLXclientState *cl, GLbyte *pc)

+{

+    const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc);

+

+    return GetMinmax(cl, pc + __GLX_SINGLE_HDR_SIZE, tag);

+}

+

+int __glXDisp_GetMinmaxEXT(__GLXclientState *cl, GLbyte *pc)

+{

+    const GLXContextTag tag = __GLX_GET_VENDPRIV_CONTEXT_TAG(pc);

+

+    return GetMinmax(cl, pc + __GLX_VENDPRIV_HDR_SIZE, tag);

+}

+

+static int GetColorTable(__GLXclientState *cl, GLbyte *pc, GLXContextTag tag)

+{

+    GLint compsize;

+    GLenum format, type, target;

+    GLboolean swapBytes;

+    __GLXcontext *cx;

+    ClientPtr client = cl->client;

+    int error;

+    char *answer, answerBuffer[200];

+    GLint width=0;

+

+    cx = __glXForceCurrent(cl, tag, &error);

+    if (!cx) {

+	return error;

+    }

+

+    target = *(GLenum *)(pc + 0);

+    format = *(GLenum *)(pc + 4);

+    type = *(GLenum *)(pc + 8);

+    swapBytes = *(GLboolean *)(pc + 12);

+

+    CALL_GetColorTableParameteriv(GET_DISPATCH(), 

+				  (target, GL_COLOR_TABLE_WIDTH, &width));

+    /*

+     * The one query above might fail if we're in a state where queries

+     * are illegal, but then width would still be zero anyway.

+     */

+    compsize = __glGetTexImage_size(target,1,format,type,width,1,1);

+    if (compsize < 0) compsize = 0;

+

+    CALL_PixelStorei(GET_DISPATCH(), (GL_PACK_SWAP_BYTES, swapBytes));

+    __GLX_GET_ANSWER_BUFFER(answer,cl,compsize,1);

+    __glXClearErrorOccured();

+    CALL_GetColorTable( GET_DISPATCH(), (

+		  *(GLenum   *)(pc + 0),

+		  *(GLenum   *)(pc + 4),

+		  *(GLenum   *)(pc + 8),

+		  answer

+		  ) );

+

+    if (__glXErrorOccured()) {

+	__GLX_BEGIN_REPLY(0);

+	__GLX_SEND_HEADER();

+    } else {

+	__GLX_BEGIN_REPLY(compsize);

+	((xGLXGetColorTableReply *)&__glXReply)->width = width;

+	__GLX_SEND_HEADER();

+	__GLX_SEND_VOID_ARRAY(compsize);

+    }

+

+    return Success;

+}

+

+int __glXDisp_GetColorTable(__GLXclientState *cl, GLbyte *pc)

+{

+    const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc);

+

+    return GetColorTable(cl, pc + __GLX_SINGLE_HDR_SIZE, tag);

+}

+

+int __glXDisp_GetColorTableSGI(__GLXclientState *cl, GLbyte *pc)

+{

+    const GLXContextTag tag = __GLX_GET_VENDPRIV_CONTEXT_TAG(pc);

+

+    return GetColorTable(cl, pc + __GLX_VENDPRIV_HDR_SIZE, tag);

+}