diff options
Diffstat (limited to 'xorg-server/glx/singlepixswap.c')
| -rw-r--r-- | xorg-server/glx/singlepixswap.c | 1197 |
1 files changed, 618 insertions, 579 deletions
diff --git a/xorg-server/glx/singlepixswap.c b/xorg-server/glx/singlepixswap.c index 99f497c05..b6d628303 100644 --- a/xorg-server/glx/singlepixswap.c +++ b/xorg-server/glx/singlepixswap.c @@ -1,579 +1,618 @@ -/*
- * 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_dispatch.h"
-#include "indirect_size_get.h"
-#include "glapitable.h"
-#include "glapi.h"
-#include "glthread.h"
-#include "dispatch.h"
-
-int __glXDispSwap_ReadPixels(__GLXclientState *cl, GLbyte *pc)
-{
- GLsizei width, height;
- GLenum format, type;
- GLboolean swapBytes, lsbFirst;
- GLint compsize;
- __GLX_DECLARE_SWAP_VARIABLES;
- __GLXcontext *cx;
- ClientPtr client = cl->client;
- int error;
- char *answer, answerBuffer[200];
-
- __GLX_SWAP_INT(&((xGLXSingleReq *)pc)->contextTag);
- cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);
- if (!cx) {
- return error;
- }
-
- pc += __GLX_SINGLE_HDR_SIZE;
- __GLX_SWAP_INT(pc+0);
- __GLX_SWAP_INT(pc+4);
- __GLX_SWAP_INT(pc+8);
- __GLX_SWAP_INT(pc+12);
- __GLX_SWAP_INT(pc+16);
- __GLX_SWAP_INT(pc+20);
-
- 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_SWAP_REPLY_HEADER();
- __GLX_SEND_HEADER();
- } else {
- __GLX_BEGIN_REPLY(compsize);
- __GLX_SWAP_REPLY_HEADER();
- __GLX_SEND_HEADER();
- __GLX_SEND_VOID_ARRAY(compsize);
- }
- cx->hasUnflushedCommands = GL_FALSE;
- return Success;
-}
-
-int __glXDispSwap_GetTexImage(__GLXclientState *cl, GLbyte *pc)
-{
- GLint level, compsize;
- GLenum format, type, target;
- GLboolean swapBytes;
- __GLX_DECLARE_SWAP_VARIABLES;
- __GLXcontext *cx;
- ClientPtr client = cl->client;
- int error;
- char *answer, answerBuffer[200];
- GLint width=0, height=0, depth=1;
-
- __GLX_SWAP_INT(&((xGLXSingleReq *)pc)->contextTag);
- cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);
- if (!cx) {
- return error;
- }
-
- pc += __GLX_SINGLE_HDR_SIZE;
- __GLX_SWAP_INT(pc+0);
- __GLX_SWAP_INT(pc+4);
- __GLX_SWAP_INT(pc+8);
- __GLX_SWAP_INT(pc+12);
-
- 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_SWAP_REPLY_HEADER();
- __GLX_SEND_HEADER();
- } else {
- __GLX_BEGIN_REPLY(compsize);
- __GLX_SWAP_REPLY_HEADER();
- __GLX_SWAP_INT(&width);
- __GLX_SWAP_INT(&height);
- __GLX_SWAP_INT(&depth);
- ((xGLXGetTexImageReply *)&__glXReply)->width = width;
- ((xGLXGetTexImageReply *)&__glXReply)->height = height;
- ((xGLXGetTexImageReply *)&__glXReply)->depth = depth;
- __GLX_SEND_HEADER();
- __GLX_SEND_VOID_ARRAY(compsize);
- }
- return Success;
-}
-
-int __glXDispSwap_GetPolygonStipple(__GLXclientState *cl, GLbyte *pc)
-{
- GLboolean lsbFirst;
- __GLXcontext *cx;
- ClientPtr client = cl->client;
- int error;
- GLubyte answerBuffer[200];
- char *answer;
- __GLX_DECLARE_SWAP_VARIABLES;
-
- __GLX_SWAP_INT(&((xGLXSingleReq *)pc)->contextTag);
- 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_SWAP_REPLY_HEADER();
- __GLX_SEND_HEADER();
- } else {
- __GLX_BEGIN_REPLY(128);
- __GLX_SWAP_REPLY_HEADER();
- __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;
- __GLX_DECLARE_SWAP_VARIABLES;
- char *answer, answerBuffer[200];
- GLint width=0, height=0;
-
- cx = __glXForceCurrent(cl, tag, &error);
- if (!cx) {
- return error;
- }
-
- __GLX_SWAP_INT(pc+0);
- __GLX_SWAP_INT(pc+4);
- __GLX_SWAP_INT(pc+8);
-
- 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_SWAP_REPLY_HEADER();
- } else {
- __GLX_BEGIN_REPLY(compsize + compsize2);
- __GLX_SWAP_REPLY_HEADER();
- __GLX_SWAP_INT(&width);
- __GLX_SWAP_INT(&height);
- ((xGLXGetSeparableFilterReply *)&__glXReply)->width = width;
- ((xGLXGetSeparableFilterReply *)&__glXReply)->height = height;
- __GLX_SEND_VOID_ARRAY(compsize + compsize2);
- }
-
- return Success;
-}
-
-int __glXDispSwap_GetSeparableFilter(__GLXclientState *cl, GLbyte *pc)
-{
- const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc);
-
- return GetSeparableFilter(cl, pc + __GLX_SINGLE_HDR_SIZE, tag);
-}
-
-int __glXDispSwap_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;
- __GLX_DECLARE_SWAP_VARIABLES;
- char *answer, answerBuffer[200];
- GLint width=0, height=0;
-
- cx = __glXForceCurrent(cl, tag, &error);
- if (!cx) {
- return error;
- }
-
- __GLX_SWAP_INT(pc+0);
- __GLX_SWAP_INT(pc+4);
- __GLX_SWAP_INT(pc+8);
-
- 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_2D) {
- 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_SWAP_REPLY_HEADER();
- } else {
- __GLX_BEGIN_REPLY(compsize);
- __GLX_SWAP_REPLY_HEADER();
- __GLX_SWAP_INT(&width);
- __GLX_SWAP_INT(&height);
- ((xGLXGetConvolutionFilterReply *)&__glXReply)->width = width;
- ((xGLXGetConvolutionFilterReply *)&__glXReply)->height = height;
- __GLX_SEND_VOID_ARRAY(compsize);
- }
-
- return Success;
-}
-
-int __glXDispSwap_GetConvolutionFilter(__GLXclientState *cl, GLbyte *pc)
-{
- const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc);
-
- return GetConvolutionFilter(cl, pc + __GLX_SINGLE_HDR_SIZE, tag);
-}
-
-int __glXDispSwap_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;
- __GLX_DECLARE_SWAP_VARIABLES;
- char *answer, answerBuffer[200];
- GLint width=0;
-
- cx = __glXForceCurrent(cl, tag, &error);
- if (!cx) {
- return error;
- }
-
- __GLX_SWAP_INT(pc+0);
- __GLX_SWAP_INT(pc+4);
- __GLX_SWAP_INT(pc+8);
-
- 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_SWAP_REPLY_HEADER();
- } else {
- __GLX_BEGIN_REPLY(compsize);
- __GLX_SWAP_REPLY_HEADER();
- __GLX_SWAP_INT(&width);
- ((xGLXGetHistogramReply *)&__glXReply)->width = width;
- __GLX_SEND_VOID_ARRAY(compsize);
- }
-
- return Success;
-}
-
-int __glXDispSwap_GetHistogram(__GLXclientState *cl, GLbyte *pc)
-{
- const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc);
-
- return GetHistogram(cl, pc + __GLX_SINGLE_HDR_SIZE, tag);
-}
-
-int __glXDispSwap_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;
- __GLX_DECLARE_SWAP_VARIABLES;
- char *answer, answerBuffer[200];
-
- cx = __glXForceCurrent(cl, tag, &error);
- if (!cx) {
- return error;
- }
-
- __GLX_SWAP_INT(pc+0);
- __GLX_SWAP_INT(pc+4);
- __GLX_SWAP_INT(pc+8);
-
- 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_SWAP_REPLY_HEADER();
- } else {
- __GLX_BEGIN_REPLY(compsize);
- __GLX_SWAP_REPLY_HEADER();
- __GLX_SEND_VOID_ARRAY(compsize);
- }
-
- return Success;
-}
-
-int __glXDispSwap_GetMinmax(__GLXclientState *cl, GLbyte *pc)
-{
- const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc);
-
- return GetMinmax(cl, pc + __GLX_SINGLE_HDR_SIZE, tag);
-}
-
-int __glXDispSwap_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;
- __GLX_DECLARE_SWAP_VARIABLES;
- char *answer, answerBuffer[200];
- GLint width=0;
-
- cx = __glXForceCurrent(cl, tag, &error);
- if (!cx) {
- return error;
- }
-
- __GLX_SWAP_INT(pc+0);
- __GLX_SWAP_INT(pc+4);
- __GLX_SWAP_INT(pc+8);
-
- format = *(GLenum *)(pc + 4);
- type = *(GLenum *)(pc + 8);
- target = *(GLenum *)(pc + 0);
- 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_SWAP_REPLY_HEADER();
- } else {
- __GLX_BEGIN_REPLY(compsize);
- __GLX_SWAP_REPLY_HEADER();
- __GLX_SWAP_INT(&width);
- ((xGLXGetColorTableReply *)&__glXReply)->width = width;
- __GLX_SEND_VOID_ARRAY(compsize);
- }
-
- return Success;
-}
-
-int __glXDispSwap_GetColorTable(__GLXclientState *cl, GLbyte *pc)
-{
- const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc);
-
- return GetColorTable(cl, pc + __GLX_SINGLE_HDR_SIZE, tag);
-}
-
-int __glXDispSwap_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_dispatch.h" +#include "indirect_size_get.h" +#include "glapitable.h" +#include "glapi.h" +#include "glthread.h" +#include "dispatch.h" + +int +__glXDispSwap_ReadPixels(__GLXclientState * cl, GLbyte * pc) +{ + GLsizei width, height; + GLenum format, type; + GLboolean swapBytes, lsbFirst; + GLint compsize; + + __GLX_DECLARE_SWAP_VARIABLES; + __GLXcontext *cx; + ClientPtr client = cl->client; + int error; + char *answer, answerBuffer[200]; + + __GLX_SWAP_INT(&((xGLXSingleReq *) pc)->contextTag); + cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error); + if (!cx) { + return error; + } + + pc += __GLX_SINGLE_HDR_SIZE; + __GLX_SWAP_INT(pc + 0); + __GLX_SWAP_INT(pc + 4); + __GLX_SWAP_INT(pc + 8); + __GLX_SWAP_INT(pc + 12); + __GLX_SWAP_INT(pc + 16); + __GLX_SWAP_INT(pc + 20); + + 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_SWAP_REPLY_HEADER(); + __GLX_SEND_HEADER(); + } + else { + __GLX_BEGIN_REPLY(compsize); + __GLX_SWAP_REPLY_HEADER(); + __GLX_SEND_HEADER(); + __GLX_SEND_VOID_ARRAY(compsize); + } + cx->hasUnflushedCommands = GL_FALSE; + return Success; +} + +int +__glXDispSwap_GetTexImage(__GLXclientState * cl, GLbyte * pc) +{ + GLint level, compsize; + GLenum format, type, target; + GLboolean swapBytes; + + __GLX_DECLARE_SWAP_VARIABLES; + __GLXcontext *cx; + ClientPtr client = cl->client; + int error; + char *answer, answerBuffer[200]; + GLint width = 0, height = 0, depth = 1; + + __GLX_SWAP_INT(&((xGLXSingleReq *) pc)->contextTag); + cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error); + if (!cx) { + return error; + } + + pc += __GLX_SINGLE_HDR_SIZE; + __GLX_SWAP_INT(pc + 0); + __GLX_SWAP_INT(pc + 4); + __GLX_SWAP_INT(pc + 8); + __GLX_SWAP_INT(pc + 12); + + 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_SWAP_REPLY_HEADER(); + __GLX_SEND_HEADER(); + } + else { + __GLX_BEGIN_REPLY(compsize); + __GLX_SWAP_REPLY_HEADER(); + __GLX_SWAP_INT(&width); + __GLX_SWAP_INT(&height); + __GLX_SWAP_INT(&depth); + ((xGLXGetTexImageReply *) & __glXReply)->width = width; + ((xGLXGetTexImageReply *) & __glXReply)->height = height; + ((xGLXGetTexImageReply *) & __glXReply)->depth = depth; + __GLX_SEND_HEADER(); + __GLX_SEND_VOID_ARRAY(compsize); + } + return Success; +} + +int +__glXDispSwap_GetPolygonStipple(__GLXclientState * cl, GLbyte * pc) +{ + GLboolean lsbFirst; + __GLXcontext *cx; + ClientPtr client = cl->client; + int error; + GLubyte answerBuffer[200]; + char *answer; + + __GLX_DECLARE_SWAP_VARIABLES; + + __GLX_SWAP_INT(&((xGLXSingleReq *) pc)->contextTag); + 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_SWAP_REPLY_HEADER(); + __GLX_SEND_HEADER(); + } + else { + __GLX_BEGIN_REPLY(128); + __GLX_SWAP_REPLY_HEADER(); + __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; + + __GLX_DECLARE_SWAP_VARIABLES; + char *answer, answerBuffer[200]; + GLint width = 0, height = 0; + + cx = __glXForceCurrent(cl, tag, &error); + if (!cx) { + return error; + } + + __GLX_SWAP_INT(pc + 0); + __GLX_SWAP_INT(pc + 4); + __GLX_SWAP_INT(pc + 8); + + 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_SWAP_REPLY_HEADER(); + } + else { + __GLX_BEGIN_REPLY(compsize + compsize2); + __GLX_SWAP_REPLY_HEADER(); + __GLX_SWAP_INT(&width); + __GLX_SWAP_INT(&height); + ((xGLXGetSeparableFilterReply *) & __glXReply)->width = width; + ((xGLXGetSeparableFilterReply *) & __glXReply)->height = height; + __GLX_SEND_VOID_ARRAY(compsize + compsize2); + } + + return Success; +} + +int +__glXDispSwap_GetSeparableFilter(__GLXclientState * cl, GLbyte * pc) +{ + const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc); + + return GetSeparableFilter(cl, pc + __GLX_SINGLE_HDR_SIZE, tag); +} + +int +__glXDispSwap_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; + + __GLX_DECLARE_SWAP_VARIABLES; + char *answer, answerBuffer[200]; + GLint width = 0, height = 0; + + cx = __glXForceCurrent(cl, tag, &error); + if (!cx) { + return error; + } + + __GLX_SWAP_INT(pc + 0); + __GLX_SWAP_INT(pc + 4); + __GLX_SWAP_INT(pc + 8); + + 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_2D) { + 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_SWAP_REPLY_HEADER(); + } + else { + __GLX_BEGIN_REPLY(compsize); + __GLX_SWAP_REPLY_HEADER(); + __GLX_SWAP_INT(&width); + __GLX_SWAP_INT(&height); + ((xGLXGetConvolutionFilterReply *) & __glXReply)->width = width; + ((xGLXGetConvolutionFilterReply *) & __glXReply)->height = height; + __GLX_SEND_VOID_ARRAY(compsize); + } + + return Success; +} + +int +__glXDispSwap_GetConvolutionFilter(__GLXclientState * cl, GLbyte * pc) +{ + const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc); + + return GetConvolutionFilter(cl, pc + __GLX_SINGLE_HDR_SIZE, tag); +} + +int +__glXDispSwap_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; + + __GLX_DECLARE_SWAP_VARIABLES; + char *answer, answerBuffer[200]; + GLint width = 0; + + cx = __glXForceCurrent(cl, tag, &error); + if (!cx) { + return error; + } + + __GLX_SWAP_INT(pc + 0); + __GLX_SWAP_INT(pc + 4); + __GLX_SWAP_INT(pc + 8); + + 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_SWAP_REPLY_HEADER(); + } + else { + __GLX_BEGIN_REPLY(compsize); + __GLX_SWAP_REPLY_HEADER(); + __GLX_SWAP_INT(&width); + ((xGLXGetHistogramReply *) & __glXReply)->width = width; + __GLX_SEND_VOID_ARRAY(compsize); + } + + return Success; +} + +int +__glXDispSwap_GetHistogram(__GLXclientState * cl, GLbyte * pc) +{ + const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc); + + return GetHistogram(cl, pc + __GLX_SINGLE_HDR_SIZE, tag); +} + +int +__glXDispSwap_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; + + __GLX_DECLARE_SWAP_VARIABLES; + char *answer, answerBuffer[200]; + + cx = __glXForceCurrent(cl, tag, &error); + if (!cx) { + return error; + } + + __GLX_SWAP_INT(pc + 0); + __GLX_SWAP_INT(pc + 4); + __GLX_SWAP_INT(pc + 8); + + 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_SWAP_REPLY_HEADER(); + } + else { + __GLX_BEGIN_REPLY(compsize); + __GLX_SWAP_REPLY_HEADER(); + __GLX_SEND_VOID_ARRAY(compsize); + } + + return Success; +} + +int +__glXDispSwap_GetMinmax(__GLXclientState * cl, GLbyte * pc) +{ + const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc); + + return GetMinmax(cl, pc + __GLX_SINGLE_HDR_SIZE, tag); +} + +int +__glXDispSwap_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; + + __GLX_DECLARE_SWAP_VARIABLES; + char *answer, answerBuffer[200]; + GLint width = 0; + + cx = __glXForceCurrent(cl, tag, &error); + if (!cx) { + return error; + } + + __GLX_SWAP_INT(pc + 0); + __GLX_SWAP_INT(pc + 4); + __GLX_SWAP_INT(pc + 8); + + format = *(GLenum *) (pc + 4); + type = *(GLenum *) (pc + 8); + target = *(GLenum *) (pc + 0); + 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_SWAP_REPLY_HEADER(); + } + else { + __GLX_BEGIN_REPLY(compsize); + __GLX_SWAP_REPLY_HEADER(); + __GLX_SWAP_INT(&width); + ((xGLXGetColorTableReply *) & __glXReply)->width = width; + __GLX_SEND_VOID_ARRAY(compsize); + } + + return Success; +} + +int +__glXDispSwap_GetColorTable(__GLXclientState * cl, GLbyte * pc) +{ + const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc); + + return GetColorTable(cl, pc + __GLX_SINGLE_HDR_SIZE, tag); +} + +int +__glXDispSwap_GetColorTableSGI(__GLXclientState * cl, GLbyte * pc) +{ + const GLXContextTag tag = __GLX_GET_VENDPRIV_CONTEXT_TAG(pc); + + return GetColorTable(cl, pc + __GLX_VENDPRIV_HDR_SIZE, tag); +} |