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Diffstat (limited to 'xorg-server/hw/dmx/glxProxy/glxsingle.c')
-rw-r--r--xorg-server/hw/dmx/glxProxy/glxsingle.c2032
1 files changed, 1016 insertions, 1016 deletions
diff --git a/xorg-server/hw/dmx/glxProxy/glxsingle.c b/xorg-server/hw/dmx/glxProxy/glxsingle.c
index 33cc612a7..834c7b8d9 100644
--- a/xorg-server/hw/dmx/glxProxy/glxsingle.c
+++ b/xorg-server/hw/dmx/glxProxy/glxsingle.c
@@ -1,1016 +1,1016 @@
-/* DO NOT EDIT - THIS FILE IS AUTOMATICALLY GENERATED */
-/*
- * 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_DMX_CONFIG_H
-#include <dmx-config.h>
-#endif
-
-#include "dmx.h"
-#include "dmxwindow.h"
-#include "dmxpixmap.h"
-#include "dmxfont.h"
-#include "dmxcb.h"
-
-#include "glxserver.h"
-#include "glxext.h"
-#include "g_disptab.h"
-/* #include "g_disptab_EXT.h" */
-#include "unpack.h"
-#include "glxutil.h"
-
-#include "GL/glxproto.h"
-
-#ifdef PANORAMIX
-#include "panoramiXsrv.h"
-#endif
-
-/*
- * GetReqSingle - this is the equivalent of GetReq macro
- * from Xlibint.h but it does not set the reqType field (the opcode).
- * this is because the GL single opcodes has different naming convension
- * the other X opcodes (ie. X_GLsop_GetFloatv).
- */
-#if (defined(__STDC__) && !defined(UNIXCPP)) || defined(ANSICPP)
-#define GetReqSingle(name, req) \
- WORD64ALIGN\
- if ((dpy->bufptr + SIZEOF(x##name##Req)) > dpy->bufmax)\
- _XFlush(dpy);\
- req = (x##name##Req *)(dpy->last_req = dpy->bufptr);\
- req->length = (SIZEOF(x##name##Req))>>2;\
- dpy->bufptr += SIZEOF(x##name##Req);\
- dpy->request++
-
-#else /* non-ANSI C uses empty comment instead of "##" for token concatenation */
-#define GetReqSingle(name, req) \
- WORD64ALIGN\
- if ((dpy->bufptr + SIZEOF(x/**/name/**/Req)) > dpy->bufmax)\
- _XFlush(dpy);\
- req = (x/**/name/**/Req *)(dpy->last_req = dpy->bufptr);\
- req->length = (SIZEOF(x/**/name/**/Req))>>2;\
- dpy->bufptr += SIZEOF(x/**/name/**/Req);\
- dpy->request++
-#endif
-
-#define X_GLXSingle 0 /* needed by GetReqExtra */
-
-extern Display *GetBackEndDisplay( __GLXclientState *cl, int s );
-extern int GetCurrentBackEndTag(__GLXclientState *cl, GLXContextTag tag, int s);
-
-static int swap_vec_element_size = 0;
-
-static void SendSwappedReply( ClientPtr client,
- xGLXSingleReply *reply,
- char *buf,
- int buf_size )
-{
- __GLX_DECLARE_SWAP_VARIABLES;
- __GLX_SWAP_SHORT(&reply->sequenceNumber);
- __GLX_SWAP_INT(&reply->length);
- __GLX_SWAP_INT(&reply->retval);
- __GLX_SWAP_INT(&reply->size);
-
- if ( (buf_size == 0) && (swap_vec_element_size > 0) ) {
- /*
- * the reply has single component - need to swap pad3
- */
- if (swap_vec_element_size == 2) {
- __GLX_SWAP_SHORT(&reply->pad3);
- }
- else if (swap_vec_element_size == 4) {
- __GLX_SWAP_INT(&reply->pad3);
- __GLX_SWAP_INT(&reply->pad4); /* some requests use also pad4
- * i.e GetConvolutionFilter
- */
- }
- else if (swap_vec_element_size == 8) {
- __GLX_SWAP_DOUBLE(&reply->pad3);
- }
- }
- else if ( (buf_size > 0) && (swap_vec_element_size > 0) ) {
- /*
- * the reply has vector of elements which needs to be swapped
- */
- int vsize = buf_size / swap_vec_element_size;
- char *p = buf;
- int i;
-
- for (i=0; i<vsize; i++) {
- if (swap_vec_element_size == 2) {
- __GLX_SWAP_SHORT(p);
- }
- else if (swap_vec_element_size == 4) {
- __GLX_SWAP_INT(p);
- }
- else if (swap_vec_element_size == 8) {
- __GLX_SWAP_DOUBLE(p);
- }
-
- p += swap_vec_element_size;
- }
-
- /*
- * swap pad words as well - for case that some single reply uses
- * them as well
- */
- __GLX_SWAP_INT(&reply->pad3);
- __GLX_SWAP_INT(&reply->pad4);
- __GLX_SWAP_INT(&reply->pad5);
- __GLX_SWAP_INT(&reply->pad6);
-
- }
-
- WriteToClient(client, sizeof(xGLXSingleReply),(char *)reply);
- if (buf_size > 0)
- WriteToClient(client, buf_size, (char *)buf);
-
-}
-
-int __glXForwardSingleReq( __GLXclientState *cl, GLbyte *pc )
-{
- xGLXSingleReq *req = (xGLXSingleReq *)pc;
- xGLXSingleReq *be_req;
- __GLXcontext *glxc;
- int from_screen = 0;
- int to_screen = 0;
- int buf_size;
- int s;
-
- glxc = __glXLookupContextByTag(cl, req->contextTag);
- if (!glxc) {
- return 0;
- }
- from_screen = to_screen = glxc->pScreen->myNum;
-
-#ifdef PANORAMIX
- if (!noPanoramiXExtension) {
- from_screen = 0;
- to_screen = screenInfo.numScreens - 1;
- }
-#endif
-
- pc += sz_xGLXSingleReq;
- buf_size = (req->length << 2) - sz_xGLXSingleReq;
-
- /*
- * just forward the request to back-end server(s)
- */
- for (s=from_screen; s<=to_screen; s++) {
- DMXScreenInfo *dmxScreen = &dmxScreens[s];
- Display *dpy = GetBackEndDisplay(cl,s);
-
- LockDisplay(dpy);
- GetReqSingle(GLXSingle,be_req);
- be_req->reqType = dmxScreen->glxMajorOpcode;
- be_req->glxCode = req->glxCode;
- be_req->length = req->length;
- be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag,s);
- if (buf_size > 0)
- _XSend(dpy, (const char *)pc, buf_size);
- UnlockDisplay(dpy);
- SyncHandle();
-
- if (req->glxCode == X_GLsop_Flush) {
- XFlush(dpy);
- }
-
- }
-
- return Success;
-}
-
-int __glXForwardPipe0WithReply( __GLXclientState *cl, GLbyte *pc )
-{
- ClientPtr client = cl->client;
- xGLXSingleReq *req = (xGLXSingleReq *)pc;
- xGLXSingleReq *be_req;
- xGLXSingleReply reply;
- xGLXSingleReply be_reply;
- __GLXcontext *glxc;
- int buf_size;
- char *be_buf = NULL;
- int be_buf_size;
- DMXScreenInfo *dmxScreen;
- Display *dpy;
-
- glxc = __glXLookupContextByTag(cl, req->contextTag);
- if (!glxc) {
- return __glXBadContext;
- }
-
- pc += sz_xGLXSingleReq;
- buf_size = (req->length << 2) - sz_xGLXSingleReq;
-
- dmxScreen = &dmxScreens[glxc->pScreen->myNum];
- dpy = GetBackEndDisplay(cl, glxc->pScreen->myNum);
-
- /*
- * send the request to the first back-end server
- */
- LockDisplay(dpy);
- GetReqSingle(GLXSingle,be_req);
- be_req->reqType = dmxScreen->glxMajorOpcode;
- be_req->glxCode = req->glxCode;
- be_req->length = req->length;
- be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag,glxc->pScreen->myNum);
- if (buf_size > 0)
- _XSend(dpy, (const char *)pc, buf_size);
-
- /*
- * get the reply from the back-end server
- */
- _XReply(dpy, (xReply*) &be_reply, 0, False);
- be_buf_size = be_reply.length << 2;
- if (be_buf_size > 0) {
- be_buf = (char *)malloc( be_buf_size );
- if (be_buf) {
- _XRead(dpy, be_buf, be_buf_size);
- }
- else {
- /* Throw data on the floor */
- _XEatData(dpy, be_buf_size);
- return BadAlloc;
- }
- }
-
- UnlockDisplay(dpy);
- SyncHandle();
-
- /*
- * send the reply to the client
- */
- reply.type = X_Reply;
- reply.sequenceNumber = client->sequence;
- reply.length = be_reply.length;
- reply.retval = be_reply.retval;
- reply.size = be_reply.size;
- reply.pad3 = be_reply.pad3;
- reply.pad4 = be_reply.pad4;
-
- if (client->swapped) {
- SendSwappedReply( client, &reply, be_buf, be_buf_size );
- }
- else {
- WriteToClient(client, sizeof(xGLXSingleReply),(char *)&reply);
- if (be_buf_size > 0)
- WriteToClient(client, be_buf_size, (char *)be_buf);
- }
-
- if (be_buf_size > 0) free(be_buf);
-
- return Success;
-}
-
-int __glXForwardAllWithReply( __GLXclientState *cl, GLbyte *pc )
-{
- ClientPtr client = cl->client;
- xGLXSingleReq *req = (xGLXSingleReq *)pc;
- xGLXSingleReq *be_req;
- xGLXSingleReply reply;
- xGLXSingleReply be_reply;
- __GLXcontext *glxc;
- int buf_size;
- char *be_buf = NULL;
- int be_buf_size = 0;
- int from_screen = 0;
- int to_screen = 0;
- int s;
-
- DMXScreenInfo *dmxScreen;
- Display *dpy;
-
- glxc = __glXLookupContextByTag(cl, req->contextTag);
- if (!glxc) {
- return 0;
- }
- from_screen = to_screen = glxc->pScreen->myNum;
-
-#ifdef PANORAMIX
- if (!noPanoramiXExtension) {
- from_screen = 0;
- to_screen = screenInfo.numScreens - 1;
- }
-#endif
-
- pc += sz_xGLXSingleReq;
- buf_size = (req->length << 2) - sz_xGLXSingleReq;
-
- /*
- * send the request to the first back-end server(s)
- */
- for (s=to_screen; s>=from_screen; s--) {
- dmxScreen = &dmxScreens[s];
- dpy = GetBackEndDisplay(cl,s);
-
- LockDisplay(dpy);
- GetReqSingle(GLXSingle,be_req);
- be_req->reqType = dmxScreen->glxMajorOpcode;
- be_req->glxCode = req->glxCode;
- be_req->length = req->length;
- be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag,s);
- if (buf_size > 0)
- _XSend(dpy, (const char *)pc, buf_size);
-
- /*
- * get the reply from the back-end server
- */
- _XReply(dpy, (xReply*) &be_reply, 0, False);
- be_buf_size = be_reply.length << 2;
- if (be_buf_size > 0) {
- be_buf = (char *)malloc( be_buf_size );
- if (be_buf) {
- _XRead(dpy, be_buf, be_buf_size);
- }
- else {
- /* Throw data on the floor */
- _XEatData(dpy, be_buf_size);
- return BadAlloc;
- }
- }
-
- UnlockDisplay(dpy);
- SyncHandle();
-
- if (s > from_screen && be_buf_size > 0) {
- free(be_buf);
- }
- }
-
- /*
- * send the reply to the client
- */
- reply.type = X_Reply;
- reply.sequenceNumber = client->sequence;
- reply.length = be_reply.length;
- reply.retval = be_reply.retval;
- reply.size = be_reply.size;
- reply.pad3 = be_reply.pad3;
- reply.pad4 = be_reply.pad4;
-
- if (client->swapped) {
- SendSwappedReply( client, &reply, be_buf, be_buf_size );
- }
- else {
- WriteToClient(client, sizeof(xGLXSingleReply),(char *)&reply);
- if (be_buf_size > 0)
- WriteToClient(client, be_buf_size, (char *)be_buf);
- }
-
- if (be_buf_size > 0) free(be_buf);
-
- return Success;
-}
-
-int __glXForwardSingleReqSwap( __GLXclientState *cl, GLbyte *pc )
-{
- xGLXSingleReq *req = (xGLXSingleReq *)pc;
- __GLX_DECLARE_SWAP_VARIABLES;
- __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
-
- __GLX_SWAP_SHORT(&req->length);
- __GLX_SWAP_INT(&req->contextTag);
-
- swap_vec_element_size = 0;
-
- /*
- * swap extra data in request - assuming all data
- * (if available) are arrays of 4 bytes components !
- */
- if (req->length > sz_xGLXSingleReq/4) {
- int *data = (int *)(req+1);
- int count = req->length - sz_xGLXSingleReq/4;
- __GLX_SWAP_INT_ARRAY(data, count );
- }
-
- return( __glXForwardSingleReq( cl, pc ) );
-}
-
-int __glXForwardPipe0WithReplySwap( __GLXclientState *cl, GLbyte *pc )
-{
- xGLXSingleReq *req = (xGLXSingleReq *)pc;
- __GLX_DECLARE_SWAP_VARIABLES;
- __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
-
- __GLX_SWAP_SHORT(&req->length);
- __GLX_SWAP_INT(&req->contextTag);
-
- swap_vec_element_size = 0;
-
- /*
- * swap extra data in request - assuming all data
- * (if available) are arrays of 4 bytes components !
- */
- if (req->length > sz_xGLXSingleReq/4) {
- int *data = (int *)(req+1);
- int count = req->length - sz_xGLXSingleReq/4;
- __GLX_SWAP_INT_ARRAY(data, count );
- }
-
- return( __glXForwardPipe0WithReply( cl, pc ) );
-}
-
-int __glXForwardPipe0WithReplySwapsv( __GLXclientState *cl, GLbyte *pc )
-{
- xGLXSingleReq *req = (xGLXSingleReq *)pc;
- __GLX_DECLARE_SWAP_VARIABLES;
- __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
-
- __GLX_SWAP_SHORT(&req->length);
- __GLX_SWAP_INT(&req->contextTag);
-
- swap_vec_element_size = 2;
-
- /*
- * swap extra data in request - assuming all data
- * (if available) are arrays of 4 bytes components !
- */
- if (req->length > sz_xGLXSingleReq/4) {
- int *data = (int *)(req+1);
- int count = req->length - sz_xGLXSingleReq/4;
- __GLX_SWAP_INT_ARRAY(data, count );
- }
-
-
- return( __glXForwardPipe0WithReply( cl, pc ) );
-}
-
-int __glXForwardPipe0WithReplySwapiv( __GLXclientState *cl, GLbyte *pc )
-{
- xGLXSingleReq *req = (xGLXSingleReq *)pc;
- __GLX_DECLARE_SWAP_VARIABLES;
- __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
-
- __GLX_SWAP_SHORT(&req->length);
- __GLX_SWAP_INT(&req->contextTag);
-
- swap_vec_element_size = 4;
-
- /*
- * swap extra data in request - assuming all data
- * (if available) are arrays of 4 bytes components !
- */
- if (req->length > sz_xGLXSingleReq/4) {
- int *data = (int *)(req+1);
- int count = req->length - sz_xGLXSingleReq/4;
- __GLX_SWAP_INT_ARRAY(data, count );
- }
-
-
- return( __glXForwardPipe0WithReply( cl, pc ) );
-}
-
-int __glXForwardPipe0WithReplySwapdv( __GLXclientState *cl, GLbyte *pc )
-{
- xGLXSingleReq *req = (xGLXSingleReq *)pc;
- __GLX_DECLARE_SWAP_VARIABLES;
- __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
-
- __GLX_SWAP_SHORT(&req->length);
- __GLX_SWAP_INT(&req->contextTag);
-
- swap_vec_element_size = 8;
-
- /*
- * swap extra data in request - assuming all data
- * (if available) are arrays of 4 bytes components !
- */
- if (req->length > sz_xGLXSingleReq/4) {
- int *data = (int *)(req+1);
- int count = req->length - sz_xGLXSingleReq/4;
- __GLX_SWAP_INT_ARRAY(data, count );
- }
-
-
- return( __glXForwardPipe0WithReply( cl, pc ) );
-}
-
-int __glXForwardAllWithReplySwap( __GLXclientState *cl, GLbyte *pc )
-{
- xGLXSingleReq *req = (xGLXSingleReq *)pc;
- __GLX_DECLARE_SWAP_VARIABLES;
- __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
-
- __GLX_SWAP_SHORT(&req->length);
- __GLX_SWAP_INT(&req->contextTag);
-
- swap_vec_element_size = 0;
-
- /*
- * swap extra data in request - assuming all data
- * (if available) are arrays of 4 bytes components !
- */
- if (req->length > sz_xGLXSingleReq/4) {
- int *data = (int *)(req+1);
- int count = req->length - sz_xGLXSingleReq/4;
- __GLX_SWAP_INT_ARRAY(data, count );
- }
-
-
- return( __glXForwardAllWithReply( cl, pc ) );
-}
-
-int __glXForwardAllWithReplySwapsv( __GLXclientState *cl, GLbyte *pc )
-{
- xGLXSingleReq *req = (xGLXSingleReq *)pc;
- __GLX_DECLARE_SWAP_VARIABLES;
- __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
-
- __GLX_SWAP_SHORT(&req->length);
- __GLX_SWAP_INT(&req->contextTag);
-
- swap_vec_element_size = 2;
-
- /*
- * swap extra data in request - assuming all data
- * (if available) are arrays of 4 bytes components !
- */
- if (req->length > sz_xGLXSingleReq/4) {
- int *data = (int *)(req+1);
- int count = req->length - sz_xGLXSingleReq/4;
- __GLX_SWAP_INT_ARRAY(data, count );
- }
-
-
- return( __glXForwardAllWithReply( cl, pc ) );
-}
-
-int __glXForwardAllWithReplySwapiv( __GLXclientState *cl, GLbyte *pc )
-{
- xGLXSingleReq *req = (xGLXSingleReq *)pc;
- __GLX_DECLARE_SWAP_VARIABLES;
- __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
-
- __GLX_SWAP_SHORT(&req->length);
- __GLX_SWAP_INT(&req->contextTag);
-
- swap_vec_element_size = 4;
-
- /*
- * swap extra data in request - assuming all data
- * (if available) are arrays of 4 bytes components !
- */
- if (req->length > sz_xGLXSingleReq/4) {
- int *data = (int *)(req+1);
- int count = req->length - sz_xGLXSingleReq/4;
- __GLX_SWAP_INT_ARRAY(data, count );
- }
-
-
- return( __glXForwardAllWithReply( cl, pc ) );
-}
-
-int __glXForwardAllWithReplySwapdv( __GLXclientState *cl, GLbyte *pc )
-{
- xGLXSingleReq *req = (xGLXSingleReq *)pc;
- __GLX_DECLARE_SWAP_VARIABLES;
- __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
-
- __GLX_SWAP_SHORT(&req->length);
- __GLX_SWAP_INT(&req->contextTag);
-
- swap_vec_element_size = 8;
-
- /*
- * swap extra data in request - assuming all data
- * (if available) are arrays of 4 bytes components !
- */
- if (req->length > sz_xGLXSingleReq/4) {
- int *data = (int *)(req+1);
- int count = req->length - sz_xGLXSingleReq/4;
- __GLX_SWAP_INT_ARRAY(data, count );
- }
-
-
- return( __glXForwardAllWithReply( cl, pc ) );
-}
-
-static GLint __glReadPixels_size(GLenum format, GLenum type, GLint w, GLint h,
- int *elementbits_return, int *rowbytes_return )
-{
- GLint elements, esize;
- GLint rowsize, padding;
-
- if (w < 0 || h < 0) {
- return -1;
- }
- switch (format) {
- case GL_COLOR_INDEX:
- case GL_STENCIL_INDEX:
- case GL_DEPTH_COMPONENT:
- elements = 1;
- break;
- case GL_RED:
- case GL_GREEN:
- case GL_BLUE:
- case GL_ALPHA:
- case GL_LUMINANCE:
- elements = 1;
- break;
- case GL_LUMINANCE_ALPHA:
- elements = 2;
- break;
- case GL_RGB:
- case GL_BGR:
- elements = 3;
- break;
- case GL_RGBA:
- case GL_BGRA:
- case GL_ABGR_EXT:
- elements = 4;
- break;
- default:
- return -1;
- }
- /*
- ** According to the GLX protocol, each row must be padded to a multiple of
- ** 4 bytes. 4 bytes also happens to be the default alignment in the pixel
- ** store modes of the GL.
- */
- switch (type) {
- case GL_BITMAP:
- if (format == GL_COLOR_INDEX || format == GL_STENCIL_INDEX) {
- rowsize = ((w * elements)+7)/8;
- padding = rowsize % 4;
- if (padding) {
- rowsize += 4 - padding;
- }
- if (elementbits_return) *elementbits_return = elements;
- if (rowbytes_return) *rowbytes_return = rowsize;
- return rowsize * h;
- } else {
- return -1;
- }
- case GL_BYTE:
- case GL_UNSIGNED_BYTE:
- esize = 1;
- break;
- case GL_UNSIGNED_BYTE_3_3_2:
- case GL_UNSIGNED_BYTE_2_3_3_REV:
- esize = 1;
- elements = 1;
- break;
- case GL_SHORT:
- case GL_UNSIGNED_SHORT:
- esize = 2;
- break;
- case GL_UNSIGNED_SHORT_5_6_5:
- case GL_UNSIGNED_SHORT_5_6_5_REV:
- case GL_UNSIGNED_SHORT_4_4_4_4:
- case GL_UNSIGNED_SHORT_4_4_4_4_REV:
- case GL_UNSIGNED_SHORT_5_5_5_1:
- case GL_UNSIGNED_SHORT_1_5_5_5_REV:
- esize = 2;
- elements = 1;
- break;
- case GL_INT:
- case GL_UNSIGNED_INT:
- case GL_FLOAT:
- esize = 4;
- break;
- case GL_UNSIGNED_INT_8_8_8_8:
- case GL_UNSIGNED_INT_8_8_8_8_REV:
- case GL_UNSIGNED_INT_10_10_10_2:
- case GL_UNSIGNED_INT_2_10_10_10_REV:
- esize = 4;
- elements = 1;
- break;
- default:
- return -1;
- }
- rowsize = w * elements * esize;
- padding = rowsize % 4;
- if (padding) {
- rowsize += 4 - padding;
- }
-
- if (elementbits_return) *elementbits_return = esize*elements*8;
- if (rowbytes_return) *rowbytes_return = rowsize;
-
- return rowsize * h;
-}
-
-static int intersectRect( int x1, int x2, int y1, int y2,
- int X1, int X2, int Y1, int Y2,
- int *ix1, int *ix2, int *iy1, int *iy2 )
-{
- int right = (x2 < X2 ? x2 : X2);
- int bottom = (y2 < Y2 ? y2 : Y2);
- int left = (x1 > X1 ? x1 : X1);
- int top = (y1 > Y1 ? y1 : Y1);
- int width = right - left + 1;
- int height = bottom - top + 1;
-
- if ( (width <= 0) || (height <= 0) ) {
- *ix1 = *ix2 = *iy1 = *iy2 = 0;
- return 0;
- }
- else {
- *ix1 = left;
- *ix2 = right;
- *iy1 = top;
- *iy2 = bottom;
- return width * height;
- }
-
-}
-
-int __glXDisp_ReadPixels(__GLXclientState *cl, GLbyte *pc)
-{
- xGLXSingleReq *req = (xGLXSingleReq *)pc;
- xGLXSingleReq *be_req;
- xGLXReadPixelsReply reply;
- xGLXReadPixelsReply be_reply;
- GLbyte *be_pc;
- GLint x,y;
- GLsizei width, height;
- GLenum format, type;
- GLboolean swapBytes, lsbFirst;
- ClientPtr client = cl->client;
- DrawablePtr pDraw;
- __GLXcontext *glxc;
- int from_screen = 0;
- int to_screen = 0;
- char *buf;
- int buf_size;
- int s;
- int win_x1, win_x2;
- int win_y1, win_y2;
- int ebits, rowsize;
- __GLX_DECLARE_SWAP_VARIABLES;
-
- if (client->swapped) {
- __GLX_SWAP_INT(&req->contextTag);
- }
-
- glxc = __glXLookupContextByTag(cl, req->contextTag);
- if (!glxc) {
- return 0;
- }
- from_screen = to_screen = glxc->pScreen->myNum;
-
-#ifdef PANORAMIX
- if (!noPanoramiXExtension) {
- from_screen = 0;
- to_screen = screenInfo.numScreens - 1;
- }
-#endif
-
- pc += sz_xGLXSingleReq;
- x = *(GLint *)(pc + 0);
- y = *(GLint *)(pc + 4);
- width = *(GLsizei *)(pc + 8);
- height = *(GLsizei *)(pc + 12);
- format = *(GLenum *)(pc + 16);
- type = *(GLenum *)(pc + 20);
- swapBytes = *(GLboolean *)(pc + 24);
- lsbFirst = *(GLboolean *)(pc + 25);
-
- if (client->swapped) {
- __GLX_SWAP_INT(&x);
- __GLX_SWAP_INT(&y);
- __GLX_SWAP_INT(&width);
- __GLX_SWAP_INT(&height);
- __GLX_SWAP_INT(&format);
- __GLX_SWAP_INT(&type);
- swapBytes = !swapBytes;
- }
-
- buf_size = __glReadPixels_size(format,type,width,height, &ebits, &rowsize);
- if (buf_size > 0) {
- buf = (char *) malloc( buf_size );
- if ( !buf ) {
- return BadAlloc;
- }
- }
- else {
- buf_size = 0;
- buf = NULL;
- }
-
- if (buf_size > 0) {
- /*
- * Get the current drawable this context is bound to
- */
- pDraw = __glXLookupDrawableByTag( cl, req->contextTag );
- win_x1 = pDraw->x + x;
- win_x2 = win_x1 + width - 1;
- win_y1 = (dmxGlobalHeight - pDraw->y - pDraw->height) + y;
- win_y2 = win_y1 + height - 1;
- if (pDraw->type != DRAWABLE_WINDOW) {
- from_screen = to_screen = 0;
- }
-
- for (s=from_screen; s<=to_screen; s++) {
- DMXScreenInfo *dmxScreen = &dmxScreens[s];
- Display *dpy = GetBackEndDisplay(cl,s);
- int scr_x1 = dmxScreen->rootXOrigin;
- int scr_x2 = dmxScreen->rootXOrigin + dmxScreen->scrnWidth - 1;
- int scr_y1 = dmxScreen->rootYOrigin;
- int scr_y2 = dmxScreen->rootYOrigin + dmxScreen->scrnHeight - 1;
- int wx1, wx2, wy1, wy2;
- int sx, sy, sw, sh;
- int npixels;
-
- /*
- * find the window portion that is on the current screen
- */
- if (pDraw->type == DRAWABLE_WINDOW) {
- npixels = intersectRect( scr_x1, scr_x2, scr_y1, scr_y2,
- win_x1, win_x2, win_y1, win_y2,
- &wx1, &wx2, &wy1, &wy2 );
- }
- else {
- wx1 = win_x1;
- wx2 = win_x2;
- wy1 = win_y1;
- wy2 = win_y2;
- npixels = (wx2-wx1+1) * (wy2-wy1+1);
- }
-
- if (npixels > 0) {
-
- /* send the request to the back-end server */
- LockDisplay(dpy);
- GetReqExtra(GLXSingle,__GLX_PAD(26),be_req);
- be_req->reqType = dmxScreen->glxMajorOpcode;
- be_req->glxCode = X_GLsop_ReadPixels;
- be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag,s);
- be_pc = ((GLbyte *)(be_req) + sz_xGLXSingleReq);
-
- sx = wx1 - pDraw->x;
- sy = wy1 - (dmxGlobalHeight - pDraw->y - pDraw->height);
- sw = (wx2-wx1+1);
- sh = (wy2-wy1+1);
-
- *(GLint *)(be_pc + 0) = sx; /* x */
- *(GLint *)(be_pc + 4) = sy; /* y */
- *(GLsizei *)(be_pc + 8) = sw; /* width */
- *(GLsizei *)(be_pc + 12) = sh; /* height */
- *(GLenum *)(be_pc + 16) = format;
- *(GLenum *)(be_pc + 20) = type;
- *(GLboolean *)(be_pc + 24) = swapBytes;
- *(GLboolean *)(be_pc + 25) = lsbFirst;
-
- _XReply(dpy, (xReply*) &be_reply, 0, False);
-
- if (be_reply.length > 0) {
- char *be_buf;
- int be_buf_size = be_reply.length << 2;
-
- be_buf = (char *) malloc( be_buf_size );
- if (be_buf) {
- _XRead(dpy, be_buf, be_buf_size);
-
- /* copy pixels data to the right location of the */
- /* reply buffer */
- if ( type != GL_BITMAP ) {
- int pbytes = ebits / 8;
- char *dst = buf + (sy-y)*rowsize + (sx-x)*pbytes;
- char *src = be_buf;
- int pad = (pbytes * sw) % 4;
- int r;
-
- for (r=0; r<sh; r++) {
- memcpy( dst, src, pbytes*sw );
- dst += rowsize;
- src += (pbytes*sw + (pad ? 4-pad : 0) );
- }
- }
- else {
- /* this is a GL_BITMAP pixel type, should copy bits */
- int r;
- int src_rowsize = bits_to_bytes(sw * ebits);
- int src_pad = src_rowsize % 4;
- if ( src_pad ) {
- src_rowsize += (4 - src_pad);
- }
-
- for (r=0; r<sh; r++) {
- unsigned char dst_mask = 0x80 >> (sx % 8);
- unsigned char src_mask = 0x80;
- char *dst = buf + (sy-y+r)*rowsize + (sx-x)/8;
- char *src = be_buf + r*src_rowsize;
- int b;
-
- for (b=0; b<sw*ebits; b++) {
- if ( *src & src_mask ) {
- *dst |= dst_mask;
- }
- else {
- *dst &= ~dst_mask;
- }
-
- if (dst_mask > 1) dst_mask >>= 1;
- else {
- dst_mask = 0x80;
- dst++;
- }
-
- if (src_mask > 1) src_mask >>= 1;
- else {
- src_mask = 0x80;
- src++;
- }
- }
- }
-
- }
-
- free( be_buf );
- }
- else {
- /* Throw data on the floor */
- _XEatData(dpy, be_buf_size);
- free( buf );
- return BadAlloc;
- }
- }
-
- UnlockDisplay(dpy);
- SyncHandle();
-
- } /* of npixels > 0 */
-
- } /* of for loop */
-
- } /* of if buf_size > 0 */
-
- reply.type = X_Reply;
- reply.sequenceNumber = client->sequence;
- reply.length = buf_size >> 2;
-
- if (client->swapped) {
- __GLX_SWAP_SHORT(&reply.sequenceNumber);
- __GLX_SWAP_INT(&reply.length);
- }
-
- WriteToClient(client, sizeof(xGLXReadPixelsReply),(char *)&reply);
- if (buf_size > 0) {
- WriteToClient(client, buf_size, (char *)buf);
- free( buf );
- }
-
- return Success;
-}
-
-int __glXDispSwap_GetTexImage(__GLXclientState *cl, GLbyte *pc)
-{
- __GLX_DECLARE_SWAP_VARIABLES;
- GLbyte *lpc = pc;
-
- lpc += sz_xGLXSingleReq;
- __GLX_SWAP_INT(lpc+0);
- __GLX_SWAP_INT(lpc+4);
- __GLX_SWAP_INT(lpc+8);
- __GLX_SWAP_INT(lpc+12);
-
- /* reverse swapBytes */
- *(GLboolean *)(lpc + 16) = ! *(GLboolean *)(lpc + 16);
-
- return( __glXForwardPipe0WithReplySwap( cl, pc ) );
-}
-
-int __glXDispSwap_GetColorTable(__GLXclientState *cl, GLbyte *pc)
-{
- __GLX_DECLARE_SWAP_VARIABLES;
- GLbyte *lpc = pc;
-
- lpc += sz_xGLXSingleReq;
- __GLX_SWAP_INT(lpc+0);
- __GLX_SWAP_INT(lpc+4);
- __GLX_SWAP_INT(lpc+8);
-
- /* reverse swapBytes */
- *(GLboolean *)(lpc + 12) = ! *(GLboolean *)(lpc + 12);
-
- return( __glXForwardPipe0WithReplySwap( cl, pc ) );
-}
-
-
+/* DO NOT EDIT - THIS FILE IS AUTOMATICALLY GENERATED */
+/*
+ * 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_DMX_CONFIG_H
+#include <dmx-config.h>
+#endif
+
+#include "dmx.h"
+#include "dmxwindow.h"
+#include "dmxpixmap.h"
+#include "dmxfont.h"
+#include "dmxcb.h"
+
+#include "glxserver.h"
+#include "glxext.h"
+#include "g_disptab.h"
+/* #include "g_disptab_EXT.h" */
+#include "unpack.h"
+#include "glxutil.h"
+
+#include "GL/glxproto.h"
+
+#ifdef PANORAMIX
+#include "panoramiXsrv.h"
+#endif
+
+/*
+ * GetReqSingle - this is the equivalent of GetReq macro
+ * from Xlibint.h but it does not set the reqType field (the opcode).
+ * this is because the GL single opcodes has different naming convension
+ * the other X opcodes (ie. X_GLsop_GetFloatv).
+ */
+#if (defined(__STDC__) && !defined(UNIXCPP)) || defined(ANSICPP)
+#define GetReqSingle(name, req) \
+ WORD64ALIGN\
+ if ((dpy->bufptr + SIZEOF(x##name##Req)) > dpy->bufmax)\
+ _XFlush(dpy);\
+ req = (x##name##Req *)(dpy->last_req = dpy->bufptr);\
+ req->length = (SIZEOF(x##name##Req))>>2;\
+ dpy->bufptr += SIZEOF(x##name##Req);\
+ dpy->request++
+
+#else /* non-ANSI C uses empty comment instead of "##" for token concatenation */
+#define GetReqSingle(name, req) \
+ WORD64ALIGN\
+ if ((dpy->bufptr + SIZEOF(x/**/name/**/Req)) > dpy->bufmax)\
+ _XFlush(dpy);\
+ req = (x/**/name/**/Req *)(dpy->last_req = dpy->bufptr);\
+ req->length = (SIZEOF(x/**/name/**/Req))>>2;\
+ dpy->bufptr += SIZEOF(x/**/name/**/Req);\
+ dpy->request++
+#endif
+
+#define X_GLXSingle 0 /* needed by GetReqExtra */
+
+extern Display *GetBackEndDisplay( __GLXclientState *cl, int s );
+extern int GetCurrentBackEndTag(__GLXclientState *cl, GLXContextTag tag, int s);
+
+static int swap_vec_element_size = 0;
+
+static void SendSwappedReply( ClientPtr client,
+ xGLXSingleReply *reply,
+ char *buf,
+ int buf_size )
+{
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_SWAP_SHORT(&reply->sequenceNumber);
+ __GLX_SWAP_INT(&reply->length);
+ __GLX_SWAP_INT(&reply->retval);
+ __GLX_SWAP_INT(&reply->size);
+
+ if ( (buf_size == 0) && (swap_vec_element_size > 0) ) {
+ /*
+ * the reply has single component - need to swap pad3
+ */
+ if (swap_vec_element_size == 2) {
+ __GLX_SWAP_SHORT(&reply->pad3);
+ }
+ else if (swap_vec_element_size == 4) {
+ __GLX_SWAP_INT(&reply->pad3);
+ __GLX_SWAP_INT(&reply->pad4); /* some requests use also pad4
+ * i.e GetConvolutionFilter
+ */
+ }
+ else if (swap_vec_element_size == 8) {
+ __GLX_SWAP_DOUBLE(&reply->pad3);
+ }
+ }
+ else if ( (buf_size > 0) && (swap_vec_element_size > 0) ) {
+ /*
+ * the reply has vector of elements which needs to be swapped
+ */
+ int vsize = buf_size / swap_vec_element_size;
+ char *p = buf;
+ int i;
+
+ for (i=0; i<vsize; i++) {
+ if (swap_vec_element_size == 2) {
+ __GLX_SWAP_SHORT(p);
+ }
+ else if (swap_vec_element_size == 4) {
+ __GLX_SWAP_INT(p);
+ }
+ else if (swap_vec_element_size == 8) {
+ __GLX_SWAP_DOUBLE(p);
+ }
+
+ p += swap_vec_element_size;
+ }
+
+ /*
+ * swap pad words as well - for case that some single reply uses
+ * them as well
+ */
+ __GLX_SWAP_INT(&reply->pad3);
+ __GLX_SWAP_INT(&reply->pad4);
+ __GLX_SWAP_INT(&reply->pad5);
+ __GLX_SWAP_INT(&reply->pad6);
+
+ }
+
+ WriteToClient(client, sizeof(xGLXSingleReply),(char *)reply);
+ if (buf_size > 0)
+ WriteToClient(client, buf_size, (char *)buf);
+
+}
+
+int __glXForwardSingleReq( __GLXclientState *cl, GLbyte *pc )
+{
+ xGLXSingleReq *req = (xGLXSingleReq *)pc;
+ xGLXSingleReq *be_req;
+ __GLXcontext *glxc;
+ int from_screen = 0;
+ int to_screen = 0;
+ int buf_size;
+ int s;
+
+ glxc = __glXLookupContextByTag(cl, req->contextTag);
+ if (!glxc) {
+ return 0;
+ }
+ from_screen = to_screen = glxc->pScreen->myNum;
+
+#ifdef PANORAMIX
+ if (!noPanoramiXExtension) {
+ from_screen = 0;
+ to_screen = screenInfo.numScreens - 1;
+ }
+#endif
+
+ pc += sz_xGLXSingleReq;
+ buf_size = (req->length << 2) - sz_xGLXSingleReq;
+
+ /*
+ * just forward the request to back-end server(s)
+ */
+ for (s=from_screen; s<=to_screen; s++) {
+ DMXScreenInfo *dmxScreen = &dmxScreens[s];
+ Display *dpy = GetBackEndDisplay(cl,s);
+
+ LockDisplay(dpy);
+ GetReqSingle(GLXSingle,be_req);
+ be_req->reqType = dmxScreen->glxMajorOpcode;
+ be_req->glxCode = req->glxCode;
+ be_req->length = req->length;
+ be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag,s);
+ if (buf_size > 0)
+ _XSend(dpy, (const char *)pc, buf_size);
+ UnlockDisplay(dpy);
+ SyncHandle();
+
+ if (req->glxCode == X_GLsop_Flush) {
+ XFlush(dpy);
+ }
+
+ }
+
+ return Success;
+}
+
+int __glXForwardPipe0WithReply( __GLXclientState *cl, GLbyte *pc )
+{
+ ClientPtr client = cl->client;
+ xGLXSingleReq *req = (xGLXSingleReq *)pc;
+ xGLXSingleReq *be_req;
+ xGLXSingleReply reply;
+ xGLXSingleReply be_reply;
+ __GLXcontext *glxc;
+ int buf_size;
+ char *be_buf = NULL;
+ int be_buf_size;
+ DMXScreenInfo *dmxScreen;
+ Display *dpy;
+
+ glxc = __glXLookupContextByTag(cl, req->contextTag);
+ if (!glxc) {
+ return __glXBadContext;
+ }
+
+ pc += sz_xGLXSingleReq;
+ buf_size = (req->length << 2) - sz_xGLXSingleReq;
+
+ dmxScreen = &dmxScreens[glxc->pScreen->myNum];
+ dpy = GetBackEndDisplay(cl, glxc->pScreen->myNum);
+
+ /*
+ * send the request to the first back-end server
+ */
+ LockDisplay(dpy);
+ GetReqSingle(GLXSingle,be_req);
+ be_req->reqType = dmxScreen->glxMajorOpcode;
+ be_req->glxCode = req->glxCode;
+ be_req->length = req->length;
+ be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag,glxc->pScreen->myNum);
+ if (buf_size > 0)
+ _XSend(dpy, (const char *)pc, buf_size);
+
+ /*
+ * get the reply from the back-end server
+ */
+ _XReply(dpy, (xReply*) &be_reply, 0, False);
+ be_buf_size = be_reply.length << 2;
+ if (be_buf_size > 0) {
+ be_buf = (char *)malloc( be_buf_size );
+ if (be_buf) {
+ _XRead(dpy, be_buf, be_buf_size);
+ }
+ else {
+ /* Throw data on the floor */
+ _XEatData(dpy, be_buf_size);
+ return BadAlloc;
+ }
+ }
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+
+ /*
+ * send the reply to the client
+ */
+ reply.type = X_Reply;
+ reply.sequenceNumber = client->sequence;
+ reply.length = be_reply.length;
+ reply.retval = be_reply.retval;
+ reply.size = be_reply.size;
+ reply.pad3 = be_reply.pad3;
+ reply.pad4 = be_reply.pad4;
+
+ if (client->swapped) {
+ SendSwappedReply( client, &reply, be_buf, be_buf_size );
+ }
+ else {
+ WriteToClient(client, sizeof(xGLXSingleReply),(char *)&reply);
+ if (be_buf_size > 0)
+ WriteToClient(client, be_buf_size, (char *)be_buf);
+ }
+
+ if (be_buf_size > 0) free(be_buf);
+
+ return Success;
+}
+
+int __glXForwardAllWithReply( __GLXclientState *cl, GLbyte *pc )
+{
+ ClientPtr client = cl->client;
+ xGLXSingleReq *req = (xGLXSingleReq *)pc;
+ xGLXSingleReq *be_req;
+ xGLXSingleReply reply;
+ xGLXSingleReply be_reply;
+ __GLXcontext *glxc;
+ int buf_size;
+ char *be_buf = NULL;
+ int be_buf_size = 0;
+ int from_screen = 0;
+ int to_screen = 0;
+ int s;
+
+ DMXScreenInfo *dmxScreen;
+ Display *dpy;
+
+ glxc = __glXLookupContextByTag(cl, req->contextTag);
+ if (!glxc) {
+ return 0;
+ }
+ from_screen = to_screen = glxc->pScreen->myNum;
+
+#ifdef PANORAMIX
+ if (!noPanoramiXExtension) {
+ from_screen = 0;
+ to_screen = screenInfo.numScreens - 1;
+ }
+#endif
+
+ pc += sz_xGLXSingleReq;
+ buf_size = (req->length << 2) - sz_xGLXSingleReq;
+
+ /*
+ * send the request to the first back-end server(s)
+ */
+ for (s=to_screen; s>=from_screen; s--) {
+ dmxScreen = &dmxScreens[s];
+ dpy = GetBackEndDisplay(cl,s);
+
+ LockDisplay(dpy);
+ GetReqSingle(GLXSingle,be_req);
+ be_req->reqType = dmxScreen->glxMajorOpcode;
+ be_req->glxCode = req->glxCode;
+ be_req->length = req->length;
+ be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag,s);
+ if (buf_size > 0)
+ _XSend(dpy, (const char *)pc, buf_size);
+
+ /*
+ * get the reply from the back-end server
+ */
+ _XReply(dpy, (xReply*) &be_reply, 0, False);
+ be_buf_size = be_reply.length << 2;
+ if (be_buf_size > 0) {
+ be_buf = (char *)malloc( be_buf_size );
+ if (be_buf) {
+ _XRead(dpy, be_buf, be_buf_size);
+ }
+ else {
+ /* Throw data on the floor */
+ _XEatData(dpy, be_buf_size);
+ return BadAlloc;
+ }
+ }
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+
+ if (s > from_screen && be_buf_size > 0) {
+ free(be_buf);
+ }
+ }
+
+ /*
+ * send the reply to the client
+ */
+ reply.type = X_Reply;
+ reply.sequenceNumber = client->sequence;
+ reply.length = be_reply.length;
+ reply.retval = be_reply.retval;
+ reply.size = be_reply.size;
+ reply.pad3 = be_reply.pad3;
+ reply.pad4 = be_reply.pad4;
+
+ if (client->swapped) {
+ SendSwappedReply( client, &reply, be_buf, be_buf_size );
+ }
+ else {
+ WriteToClient(client, sizeof(xGLXSingleReply),(char *)&reply);
+ if (be_buf_size > 0)
+ WriteToClient(client, be_buf_size, (char *)be_buf);
+ }
+
+ if (be_buf_size > 0) free(be_buf);
+
+ return Success;
+}
+
+int __glXForwardSingleReqSwap( __GLXclientState *cl, GLbyte *pc )
+{
+ xGLXSingleReq *req = (xGLXSingleReq *)pc;
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
+
+ __GLX_SWAP_SHORT(&req->length);
+ __GLX_SWAP_INT(&req->contextTag);
+
+ swap_vec_element_size = 0;
+
+ /*
+ * swap extra data in request - assuming all data
+ * (if available) are arrays of 4 bytes components !
+ */
+ if (req->length > sz_xGLXSingleReq/4) {
+ int *data = (int *)(req+1);
+ int count = req->length - sz_xGLXSingleReq/4;
+ __GLX_SWAP_INT_ARRAY(data, count );
+ }
+
+ return( __glXForwardSingleReq( cl, pc ) );
+}
+
+int __glXForwardPipe0WithReplySwap( __GLXclientState *cl, GLbyte *pc )
+{
+ xGLXSingleReq *req = (xGLXSingleReq *)pc;
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
+
+ __GLX_SWAP_SHORT(&req->length);
+ __GLX_SWAP_INT(&req->contextTag);
+
+ swap_vec_element_size = 0;
+
+ /*
+ * swap extra data in request - assuming all data
+ * (if available) are arrays of 4 bytes components !
+ */
+ if (req->length > sz_xGLXSingleReq/4) {
+ int *data = (int *)(req+1);
+ int count = req->length - sz_xGLXSingleReq/4;
+ __GLX_SWAP_INT_ARRAY(data, count );
+ }
+
+ return( __glXForwardPipe0WithReply( cl, pc ) );
+}
+
+int __glXForwardPipe0WithReplySwapsv( __GLXclientState *cl, GLbyte *pc )
+{
+ xGLXSingleReq *req = (xGLXSingleReq *)pc;
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
+
+ __GLX_SWAP_SHORT(&req->length);
+ __GLX_SWAP_INT(&req->contextTag);
+
+ swap_vec_element_size = 2;
+
+ /*
+ * swap extra data in request - assuming all data
+ * (if available) are arrays of 4 bytes components !
+ */
+ if (req->length > sz_xGLXSingleReq/4) {
+ int *data = (int *)(req+1);
+ int count = req->length - sz_xGLXSingleReq/4;
+ __GLX_SWAP_INT_ARRAY(data, count );
+ }
+
+
+ return( __glXForwardPipe0WithReply( cl, pc ) );
+}
+
+int __glXForwardPipe0WithReplySwapiv( __GLXclientState *cl, GLbyte *pc )
+{
+ xGLXSingleReq *req = (xGLXSingleReq *)pc;
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
+
+ __GLX_SWAP_SHORT(&req->length);
+ __GLX_SWAP_INT(&req->contextTag);
+
+ swap_vec_element_size = 4;
+
+ /*
+ * swap extra data in request - assuming all data
+ * (if available) are arrays of 4 bytes components !
+ */
+ if (req->length > sz_xGLXSingleReq/4) {
+ int *data = (int *)(req+1);
+ int count = req->length - sz_xGLXSingleReq/4;
+ __GLX_SWAP_INT_ARRAY(data, count );
+ }
+
+
+ return( __glXForwardPipe0WithReply( cl, pc ) );
+}
+
+int __glXForwardPipe0WithReplySwapdv( __GLXclientState *cl, GLbyte *pc )
+{
+ xGLXSingleReq *req = (xGLXSingleReq *)pc;
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
+
+ __GLX_SWAP_SHORT(&req->length);
+ __GLX_SWAP_INT(&req->contextTag);
+
+ swap_vec_element_size = 8;
+
+ /*
+ * swap extra data in request - assuming all data
+ * (if available) are arrays of 4 bytes components !
+ */
+ if (req->length > sz_xGLXSingleReq/4) {
+ int *data = (int *)(req+1);
+ int count = req->length - sz_xGLXSingleReq/4;
+ __GLX_SWAP_INT_ARRAY(data, count );
+ }
+
+
+ return( __glXForwardPipe0WithReply( cl, pc ) );
+}
+
+int __glXForwardAllWithReplySwap( __GLXclientState *cl, GLbyte *pc )
+{
+ xGLXSingleReq *req = (xGLXSingleReq *)pc;
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
+
+ __GLX_SWAP_SHORT(&req->length);
+ __GLX_SWAP_INT(&req->contextTag);
+
+ swap_vec_element_size = 0;
+
+ /*
+ * swap extra data in request - assuming all data
+ * (if available) are arrays of 4 bytes components !
+ */
+ if (req->length > sz_xGLXSingleReq/4) {
+ int *data = (int *)(req+1);
+ int count = req->length - sz_xGLXSingleReq/4;
+ __GLX_SWAP_INT_ARRAY(data, count );
+ }
+
+
+ return( __glXForwardAllWithReply( cl, pc ) );
+}
+
+int __glXForwardAllWithReplySwapsv( __GLXclientState *cl, GLbyte *pc )
+{
+ xGLXSingleReq *req = (xGLXSingleReq *)pc;
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
+
+ __GLX_SWAP_SHORT(&req->length);
+ __GLX_SWAP_INT(&req->contextTag);
+
+ swap_vec_element_size = 2;
+
+ /*
+ * swap extra data in request - assuming all data
+ * (if available) are arrays of 4 bytes components !
+ */
+ if (req->length > sz_xGLXSingleReq/4) {
+ int *data = (int *)(req+1);
+ int count = req->length - sz_xGLXSingleReq/4;
+ __GLX_SWAP_INT_ARRAY(data, count );
+ }
+
+
+ return( __glXForwardAllWithReply( cl, pc ) );
+}
+
+int __glXForwardAllWithReplySwapiv( __GLXclientState *cl, GLbyte *pc )
+{
+ xGLXSingleReq *req = (xGLXSingleReq *)pc;
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
+
+ __GLX_SWAP_SHORT(&req->length);
+ __GLX_SWAP_INT(&req->contextTag);
+
+ swap_vec_element_size = 4;
+
+ /*
+ * swap extra data in request - assuming all data
+ * (if available) are arrays of 4 bytes components !
+ */
+ if (req->length > sz_xGLXSingleReq/4) {
+ int *data = (int *)(req+1);
+ int count = req->length - sz_xGLXSingleReq/4;
+ __GLX_SWAP_INT_ARRAY(data, count );
+ }
+
+
+ return( __glXForwardAllWithReply( cl, pc ) );
+}
+
+int __glXForwardAllWithReplySwapdv( __GLXclientState *cl, GLbyte *pc )
+{
+ xGLXSingleReq *req = (xGLXSingleReq *)pc;
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
+
+ __GLX_SWAP_SHORT(&req->length);
+ __GLX_SWAP_INT(&req->contextTag);
+
+ swap_vec_element_size = 8;
+
+ /*
+ * swap extra data in request - assuming all data
+ * (if available) are arrays of 4 bytes components !
+ */
+ if (req->length > sz_xGLXSingleReq/4) {
+ int *data = (int *)(req+1);
+ int count = req->length - sz_xGLXSingleReq/4;
+ __GLX_SWAP_INT_ARRAY(data, count );
+ }
+
+
+ return( __glXForwardAllWithReply( cl, pc ) );
+}
+
+static GLint __glReadPixels_size(GLenum format, GLenum type, GLint w, GLint h,
+ int *elementbits_return, int *rowbytes_return )
+{
+ GLint elements, esize;
+ GLint rowsize, padding;
+
+ if (w < 0 || h < 0) {
+ return -1;
+ }
+ switch (format) {
+ case GL_COLOR_INDEX:
+ case GL_STENCIL_INDEX:
+ case GL_DEPTH_COMPONENT:
+ elements = 1;
+ break;
+ case GL_RED:
+ case GL_GREEN:
+ case GL_BLUE:
+ case GL_ALPHA:
+ case GL_LUMINANCE:
+ elements = 1;
+ break;
+ case GL_LUMINANCE_ALPHA:
+ elements = 2;
+ break;
+ case GL_RGB:
+ case GL_BGR:
+ elements = 3;
+ break;
+ case GL_RGBA:
+ case GL_BGRA:
+ case GL_ABGR_EXT:
+ elements = 4;
+ break;
+ default:
+ return -1;
+ }
+ /*
+ ** According to the GLX protocol, each row must be padded to a multiple of
+ ** 4 bytes. 4 bytes also happens to be the default alignment in the pixel
+ ** store modes of the GL.
+ */
+ switch (type) {
+ case GL_BITMAP:
+ if (format == GL_COLOR_INDEX || format == GL_STENCIL_INDEX) {
+ rowsize = ((w * elements)+7)/8;
+ padding = rowsize % 4;
+ if (padding) {
+ rowsize += 4 - padding;
+ }
+ if (elementbits_return) *elementbits_return = elements;
+ if (rowbytes_return) *rowbytes_return = rowsize;
+ return rowsize * h;
+ } else {
+ return -1;
+ }
+ case GL_BYTE:
+ case GL_UNSIGNED_BYTE:
+ esize = 1;
+ break;
+ case GL_UNSIGNED_BYTE_3_3_2:
+ case GL_UNSIGNED_BYTE_2_3_3_REV:
+ esize = 1;
+ elements = 1;
+ break;
+ case GL_SHORT:
+ case GL_UNSIGNED_SHORT:
+ esize = 2;
+ break;
+ case GL_UNSIGNED_SHORT_5_6_5:
+ case GL_UNSIGNED_SHORT_5_6_5_REV:
+ case GL_UNSIGNED_SHORT_4_4_4_4:
+ case GL_UNSIGNED_SHORT_4_4_4_4_REV:
+ case GL_UNSIGNED_SHORT_5_5_5_1:
+ case GL_UNSIGNED_SHORT_1_5_5_5_REV:
+ esize = 2;
+ elements = 1;
+ break;
+ case GL_INT:
+ case GL_UNSIGNED_INT:
+ case GL_FLOAT:
+ esize = 4;
+ break;
+ case GL_UNSIGNED_INT_8_8_8_8:
+ case GL_UNSIGNED_INT_8_8_8_8_REV:
+ case GL_UNSIGNED_INT_10_10_10_2:
+ case GL_UNSIGNED_INT_2_10_10_10_REV:
+ esize = 4;
+ elements = 1;
+ break;
+ default:
+ return -1;
+ }
+ rowsize = w * elements * esize;
+ padding = rowsize % 4;
+ if (padding) {
+ rowsize += 4 - padding;
+ }
+
+ if (elementbits_return) *elementbits_return = esize*elements*8;
+ if (rowbytes_return) *rowbytes_return = rowsize;
+
+ return rowsize * h;
+}
+
+static int intersectRect( int x1, int x2, int y1, int y2,
+ int X1, int X2, int Y1, int Y2,
+ int *ix1, int *ix2, int *iy1, int *iy2 )
+{
+ int right = (x2 < X2 ? x2 : X2);
+ int bottom = (y2 < Y2 ? y2 : Y2);
+ int left = (x1 > X1 ? x1 : X1);
+ int top = (y1 > Y1 ? y1 : Y1);
+ int width = right - left + 1;
+ int height = bottom - top + 1;
+
+ if ( (width <= 0) || (height <= 0) ) {
+ *ix1 = *ix2 = *iy1 = *iy2 = 0;
+ return 0;
+ }
+ else {
+ *ix1 = left;
+ *ix2 = right;
+ *iy1 = top;
+ *iy2 = bottom;
+ return width * height;
+ }
+
+}
+
+int __glXDisp_ReadPixels(__GLXclientState *cl, GLbyte *pc)
+{
+ xGLXSingleReq *req = (xGLXSingleReq *)pc;
+ xGLXSingleReq *be_req;
+ xGLXReadPixelsReply reply;
+ xGLXReadPixelsReply be_reply;
+ GLbyte *be_pc;
+ GLint x,y;
+ GLsizei width, height;
+ GLenum format, type;
+ GLboolean swapBytes, lsbFirst;
+ ClientPtr client = cl->client;
+ DrawablePtr pDraw;
+ __GLXcontext *glxc;
+ int from_screen = 0;
+ int to_screen = 0;
+ char *buf;
+ int buf_size;
+ int s;
+ int win_x1, win_x2;
+ int win_y1, win_y2;
+ int ebits, rowsize;
+ __GLX_DECLARE_SWAP_VARIABLES;
+
+ if (client->swapped) {
+ __GLX_SWAP_INT(&req->contextTag);
+ }
+
+ glxc = __glXLookupContextByTag(cl, req->contextTag);
+ if (!glxc) {
+ return 0;
+ }
+ from_screen = to_screen = glxc->pScreen->myNum;
+
+#ifdef PANORAMIX
+ if (!noPanoramiXExtension) {
+ from_screen = 0;
+ to_screen = screenInfo.numScreens - 1;
+ }
+#endif
+
+ pc += sz_xGLXSingleReq;
+ x = *(GLint *)(pc + 0);
+ y = *(GLint *)(pc + 4);
+ width = *(GLsizei *)(pc + 8);
+ height = *(GLsizei *)(pc + 12);
+ format = *(GLenum *)(pc + 16);
+ type = *(GLenum *)(pc + 20);
+ swapBytes = *(GLboolean *)(pc + 24);
+ lsbFirst = *(GLboolean *)(pc + 25);
+
+ if (client->swapped) {
+ __GLX_SWAP_INT(&x);
+ __GLX_SWAP_INT(&y);
+ __GLX_SWAP_INT(&width);
+ __GLX_SWAP_INT(&height);
+ __GLX_SWAP_INT(&format);
+ __GLX_SWAP_INT(&type);
+ swapBytes = !swapBytes;
+ }
+
+ buf_size = __glReadPixels_size(format,type,width,height, &ebits, &rowsize);
+ if (buf_size > 0) {
+ buf = (char *) malloc( buf_size );
+ if ( !buf ) {
+ return BadAlloc;
+ }
+ }
+ else {
+ buf_size = 0;
+ buf = NULL;
+ }
+
+ if (buf_size > 0) {
+ /*
+ * Get the current drawable this context is bound to
+ */
+ pDraw = __glXLookupDrawableByTag( cl, req->contextTag );
+ win_x1 = pDraw->x + x;
+ win_x2 = win_x1 + width - 1;
+ win_y1 = (dmxGlobalHeight - pDraw->y - pDraw->height) + y;
+ win_y2 = win_y1 + height - 1;
+ if (pDraw->type != DRAWABLE_WINDOW) {
+ from_screen = to_screen = 0;
+ }
+
+ for (s=from_screen; s<=to_screen; s++) {
+ DMXScreenInfo *dmxScreen = &dmxScreens[s];
+ Display *dpy = GetBackEndDisplay(cl,s);
+ int scr_x1 = dmxScreen->rootXOrigin;
+ int scr_x2 = dmxScreen->rootXOrigin + dmxScreen->scrnWidth - 1;
+ int scr_y1 = dmxScreen->rootYOrigin;
+ int scr_y2 = dmxScreen->rootYOrigin + dmxScreen->scrnHeight - 1;
+ int wx1, wx2, wy1, wy2;
+ int sx, sy, sw, sh;
+ int npixels;
+
+ /*
+ * find the window portion that is on the current screen
+ */
+ if (pDraw->type == DRAWABLE_WINDOW) {
+ npixels = intersectRect( scr_x1, scr_x2, scr_y1, scr_y2,
+ win_x1, win_x2, win_y1, win_y2,
+ &wx1, &wx2, &wy1, &wy2 );
+ }
+ else {
+ wx1 = win_x1;
+ wx2 = win_x2;
+ wy1 = win_y1;
+ wy2 = win_y2;
+ npixels = (wx2-wx1+1) * (wy2-wy1+1);
+ }
+
+ if (npixels > 0) {
+
+ /* send the request to the back-end server */
+ LockDisplay(dpy);
+ GetReqExtra(GLXSingle,__GLX_PAD(26),be_req);
+ be_req->reqType = dmxScreen->glxMajorOpcode;
+ be_req->glxCode = X_GLsop_ReadPixels;
+ be_req->contextTag = GetCurrentBackEndTag(cl,req->contextTag,s);
+ be_pc = ((GLbyte *)(be_req) + sz_xGLXSingleReq);
+
+ sx = wx1 - pDraw->x;
+ sy = wy1 - (dmxGlobalHeight - pDraw->y - pDraw->height);
+ sw = (wx2-wx1+1);
+ sh = (wy2-wy1+1);
+
+ *(GLint *)(be_pc + 0) = sx; /* x */
+ *(GLint *)(be_pc + 4) = sy; /* y */
+ *(GLsizei *)(be_pc + 8) = sw; /* width */
+ *(GLsizei *)(be_pc + 12) = sh; /* height */
+ *(GLenum *)(be_pc + 16) = format;
+ *(GLenum *)(be_pc + 20) = type;
+ *(GLboolean *)(be_pc + 24) = swapBytes;
+ *(GLboolean *)(be_pc + 25) = lsbFirst;
+
+ _XReply(dpy, (xReply*) &be_reply, 0, False);
+
+ if (be_reply.length > 0) {
+ char *be_buf;
+ int be_buf_size = be_reply.length << 2;
+
+ be_buf = (char *) malloc( be_buf_size );
+ if (be_buf) {
+ _XRead(dpy, be_buf, be_buf_size);
+
+ /* copy pixels data to the right location of the */
+ /* reply buffer */
+ if ( type != GL_BITMAP ) {
+ int pbytes = ebits / 8;
+ char *dst = buf + (sy-y)*rowsize + (sx-x)*pbytes;
+ char *src = be_buf;
+ int pad = (pbytes * sw) % 4;
+ int r;
+
+ for (r=0; r<sh; r++) {
+ memcpy( dst, src, pbytes*sw );
+ dst += rowsize;
+ src += (pbytes*sw + (pad ? 4-pad : 0) );
+ }
+ }
+ else {
+ /* this is a GL_BITMAP pixel type, should copy bits */
+ int r;
+ int src_rowsize = bits_to_bytes(sw * ebits);
+ int src_pad = src_rowsize % 4;
+ if ( src_pad ) {
+ src_rowsize += (4 - src_pad);
+ }
+
+ for (r=0; r<sh; r++) {
+ unsigned char dst_mask = 0x80 >> (sx % 8);
+ unsigned char src_mask = 0x80;
+ char *dst = buf + (sy-y+r)*rowsize + (sx-x)/8;
+ char *src = be_buf + r*src_rowsize;
+ int b;
+
+ for (b=0; b<sw*ebits; b++) {
+ if ( *src & src_mask ) {
+ *dst |= dst_mask;
+ }
+ else {
+ *dst &= ~dst_mask;
+ }
+
+ if (dst_mask > 1) dst_mask >>= 1;
+ else {
+ dst_mask = 0x80;
+ dst++;
+ }
+
+ if (src_mask > 1) src_mask >>= 1;
+ else {
+ src_mask = 0x80;
+ src++;
+ }
+ }
+ }
+
+ }
+
+ free( be_buf );
+ }
+ else {
+ /* Throw data on the floor */
+ _XEatData(dpy, be_buf_size);
+ free( buf );
+ return BadAlloc;
+ }
+ }
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+
+ } /* of npixels > 0 */
+
+ } /* of for loop */
+
+ } /* of if buf_size > 0 */
+
+ reply.type = X_Reply;
+ reply.sequenceNumber = client->sequence;
+ reply.length = buf_size >> 2;
+
+ if (client->swapped) {
+ __GLX_SWAP_SHORT(&reply.sequenceNumber);
+ __GLX_SWAP_INT(&reply.length);
+ }
+
+ WriteToClient(client, sizeof(xGLXReadPixelsReply),(char *)&reply);
+ if (buf_size > 0) {
+ WriteToClient(client, buf_size, (char *)buf);
+ free( buf );
+ }
+
+ return Success;
+}
+
+int __glXDispSwap_GetTexImage(__GLXclientState *cl, GLbyte *pc)
+{
+ __GLX_DECLARE_SWAP_VARIABLES;
+ GLbyte *lpc = pc;
+
+ lpc += sz_xGLXSingleReq;
+ __GLX_SWAP_INT(lpc+0);
+ __GLX_SWAP_INT(lpc+4);
+ __GLX_SWAP_INT(lpc+8);
+ __GLX_SWAP_INT(lpc+12);
+
+ /* reverse swapBytes */
+ *(GLboolean *)(lpc + 16) = ! *(GLboolean *)(lpc + 16);
+
+ return( __glXForwardPipe0WithReplySwap( cl, pc ) );
+}
+
+int __glXDispSwap_GetColorTable(__GLXclientState *cl, GLbyte *pc)
+{
+ __GLX_DECLARE_SWAP_VARIABLES;
+ GLbyte *lpc = pc;
+
+ lpc += sz_xGLXSingleReq;
+ __GLX_SWAP_INT(lpc+0);
+ __GLX_SWAP_INT(lpc+4);
+ __GLX_SWAP_INT(lpc+8);
+
+ /* reverse swapBytes */
+ *(GLboolean *)(lpc + 12) = ! *(GLboolean *)(lpc + 12);
+
+ return( __glXForwardPipe0WithReplySwap( cl, pc ) );
+}
+
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-03 14:44:43 +0000