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Diffstat (limited to 'xorg-server/glx/singlepix.c')
-rw-r--r--xorg-server/glx/singlepix.c1089
1 files changed, 557 insertions, 532 deletions
diff --git a/xorg-server/glx/singlepix.c b/xorg-server/glx/singlepix.c
index cbc32c378..876c97cbb 100644
--- a/xorg-server/glx/singlepix.c
+++ b/xorg-server/glx/singlepix.c
@@ -1,532 +1,557 @@
-/*
- * 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>
-#else
-
-#include "glheader.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);
-}
+/*
+ * 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>
+#else
+
+#include "glheader.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);
+}