/*
** License Applicability. Except to the extent portions of this file are
** made subject to an alternative license as permitted in the SGI Free
** Software License B, Version 1.1 (the "License"), the contents of this
** file are subject only to the provisions of the License. You may not use
** this file except in compliance with the License. You may obtain a copy
** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600
** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at:
**
** http://oss.sgi.com/projects/FreeB
**
** Note that, as provided in the License, the Software is distributed on an
** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS
** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND
** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A
** PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
**
** Original Code. The Original Code is: OpenGL Sample Implementation,
** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics,
** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc.
** Copyright in any portions created by third parties is as indicated
** elsewhere herein. All Rights Reserved.
**
** Additional Notice Provisions: The application programming interfaces
** established by SGI in conjunction with the Original Code are The
** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released
** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version
** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X
** Window System(R) (Version 1.3), released October 19, 1998. This software
** was created using the OpenGL(R) version 1.2.1 Sample Implementation
** published by SGI, but has not been independently verified as being
** compliant with the OpenGL(R) version 1.2.1 Specification.
**
*/
/* #define NEED_REPLIES */
#include "glxserver.h"
#include "unpack.h"
#include "g_disptab.h"
GLint __glEvalComputeK(GLenum target)
{
switch (target) {
case GL_MAP1_VERTEX_4:
case GL_MAP1_COLOR_4:
case GL_MAP1_TEXTURE_COORD_4:
case GL_MAP2_VERTEX_4:
case GL_MAP2_COLOR_4:
case GL_MAP2_TEXTURE_COORD_4:
return 4;
case GL_MAP1_VERTEX_3:
case GL_MAP1_TEXTURE_COORD_3:
case GL_MAP1_NORMAL:
case GL_MAP2_VERTEX_3:
case GL_MAP2_TEXTURE_COORD_3:
case GL_MAP2_NORMAL:
return 3;
case GL_MAP1_TEXTURE_COORD_2:
case GL_MAP2_TEXTURE_COORD_2:
return 2;
case GL_MAP1_TEXTURE_COORD_1:
case GL_MAP2_TEXTURE_COORD_1:
case GL_MAP1_INDEX:
case GL_MAP2_INDEX:
return 1;
default:
return 0;
}
}
void __glXDispSwap_Map1f(GLbyte *pc)
{
GLint order, k;
GLfloat u1, u2, *points;
GLenum target;
GLint compsize;
__GLX_DECLARE_SWAP_VARIABLES;
__GLX_SWAP_INT(pc + 0);
__GLX_SWAP_INT(pc + 12);
__GLX_SWAP_FLOAT(pc + 4);
__GLX_SWAP_FLOAT(pc + 8);
target = *(GLenum *)(pc + 0);
order = *(GLint *)(pc + 12);
u1 = *(GLfloat *)(pc + 4);
u2 = *(GLfloat *)(pc + 8);
points = (GLfloat *)(pc + 16);
k = __glEvalComputeK(target);
if (order <= 0 || k < 0) {
/* Erroneous command. */
compsize = 0;
} else {
compsize = order * k;
}
__GLX_SWAP_FLOAT_ARRAY(points, compsize);
}
void __glXDispSwap_Map2f(GLbyte *pc)
{
GLint uorder, vorder, ustride, vstride, k;
GLfloat u1, u2, v1, v2, *points;
GLenum target;
GLint compsize;
__GLX_DECLARE_SWAP_VARIABLES;
__GLX_SWAP_INT(pc + 0);
__GLX_SWAP_INT(pc + 12);
__GLX_SWAP_INT(pc + 24);
__GLX_SWAP_FLOAT(pc + 4);
__GLX_SWAP_FLOAT(pc + 8);
__GLX_SWAP_FLOAT(pc + 16);
__GLX_SWAP_FLOAT(pc + 20);
target = *(GLenum *)(pc + 0);
uorder = *(GLint *)(pc + 12);
vorder = *(GLint *)(pc + 24);
u1 = *(GLfloat *)(pc + 4);
u2 = *(GLfloat *)(pc + 8);
v1 = *(GLfloat *)(pc + 16);
v2 = *(GLfloat *)(pc + 20);
points = (GLfloat *)(pc + 28);
k = __glEvalComputeK(target);
ustride = vorder * k;
vstride = k;
if (vorder <= 0 || uorder <= 0 || k < 0) {
/* Erroneous command. */
compsize = 0;
} else {
compsize = uorder * vorder * k;
}
__GLX_SWAP_FLOAT_ARRAY(points, compsize);
}
void __glXDispSwap_Map1d(GLbyte *pc)
{
GLint order, k, compsize;
GLenum target;
GLdouble u1, u2, *points;
__GLX_DECLARE_SWAP_VARIABLES;
__GLX_SWAP_DOUBLE(pc + 0);
__GLX_SWAP_DOUBLE(pc + 8);
__GLX_SWAP_INT(pc + 16);
__GLX_SWAP_INT(pc + 20);
target = *(GLenum*) (pc + 16);
order = *(GLint*) (pc + 20);
k = __glEvalComputeK(target);
if (order <= 0 || k < 0) {
/* Erroneous command. */
compsize = 0;
} else {
compsize = order * k;
}
__GLX_GET_DOUBLE(u1,pc);
__GLX_GET_DOUBLE(u2,pc+8);
__GLX_SWAP_DOUBLE_ARRAY(pc+24, compsize);
pc += 24;
#ifdef __GLX_ALIGN64
if (((unsigned long)pc) & 7) {
/*
** Copy the doubles up 4 bytes, trashing the command but aligning
** the data in the process
*/
__GLX_MEM_COPY(pc-4, pc, compsize*8);
points = (GLdouble*) (pc - 4);
} else {
points = (GLdouble*) pc;
}
#else
points = (GLdouble*) pc;
#endif
}
void __glXDispSwap_Map2d(GLbyte *pc)
{
GLdouble u1, u2, v1, v2, *points;
GLint uorder, vorder, ustride, vstride, k, compsize;
GLenum target;
__GLX_DECLARE_SWAP_VARIABLES;
__GLX_SWAP_DOUBLE(pc + 0);
__GLX_SWAP_DOUBLE(pc + 8);
__GLX_SWAP_DOUBLE(pc + 16);
__GLX_SWAP_DOUBLE(pc + 24);
__GLX_SWAP_INT(pc + 32);
__GLX_SWAP_INT(pc + 36);
__GLX_SWAP_INT(pc + 40);
target = *(GLenum *)(pc + 32);
uorder = *(GLint *)(pc + 36);
vorder = *(GLint *)(pc + 40);
k = __glEvalComputeK(target);
if (vorder <= 0 || uorder <= 0 || k < 0) {
/* Erroneous command. */
compsize = 0;
} else {
compsize = uorder * vorder * k;
}
__GLX_GET_DOUBLE(u1,pc);
__GLX_GET_DOUBLE(u2,pc+8);
__GLX_GET_DOUBLE(v1,pc+16);
__GLX_GET_DOUBLE(v2,pc+24);
__GLX_SWAP_DOUBLE_ARRAY(pc+44, compsize);
pc += 44;
ustride = vorder * k;
vstride = k;
#ifdef __GLX_ALIGN64
if (((unsigned long)pc) & 7) {
/*
** Copy the doubles up 4 bytes, trashing the command but aligning
** the data in the process
*/
__GLX_MEM_COPY(pc-4, pc, compsize*8);
points = (GLdouble*) (pc - 4);
} else {
points = (GLdouble*) pc;
}
#else
points = (GLdouble*) pc;
#endif
}
void __glXDispSwap_CallLists(GLbyte *pc)
{
GLenum type;
GLsizei n;
__GLX_DECLARE_SWAP_VARIABLES;
__GLX_SWAP_INT(pc + 4);
__GLX_SWAP_INT(pc + 0);
type = *(GLenum *)(pc + 4);
n = *(GLsizei *)(pc + 0);
switch (type) {
case GL_BYTE:
case GL_UNSIGNED_BYTE:
case GL_2_BYTES:
case GL_3_BYTES:
case GL_4_BYTES:
break;
case GL_SHORT:
case GL_UNSIGNED_SHORT:
__GLX_SWAP_SHORT_ARRAY(pc+8, n);
break;
case GL_INT:
case GL_UNSIGNED_INT:
__GLX_SWAP_INT_ARRAY(pc+8, n);
break;
case GL_FLOAT:
__GLX_SWAP_FLOAT_ARRAY(pc+8, n);
break;
}
}
static void swapArray(GLint numVals, GLenum datatype,
GLint stride, GLint numVertexes, GLbyte *pc)
{
int i,j;
__GLX_DECLARE_SWAP_VARIABLES;
switch (datatype) {
case GL_BYTE:
case GL_UNSIGNED_BYTE:
/* don't need to swap */
return;
case GL_SHORT:
case GL_UNSIGNED_SHORT:
for (i=0; i<numVertexes; i++) {
GLshort *pVal = (GLshort *) pc;
for (j=0; j<numVals; j++) {
__GLX_SWAP_SHORT(&pVal[j]);
}
pc += stride;
}
break;
case GL_INT:
case GL_UNSIGNED_INT:
for (i=0; i<numVertexes; i++) {
GLint *pVal = (GLint *) pc;
for (j=0; j<numVals; j++) {
__GLX_SWAP_INT(&pVal[j]);
}
pc += stride;
}
break;
case GL_FLOAT:
for (i=0; i<numVertexes; i++) {
GLfloat *pVal = (GLfloat *) pc;
for (j=0; j<numVals; j++) {
__GLX_SWAP_FLOAT(&pVal[j]);
}
pc += stride;
}
break;
case GL_DOUBLE:
for (i=0; i<numVertexes; i++) {
GLdouble *pVal = (GLdouble *) pc;
for (j=0; j<numVals; j++) {
__GLX_SWAP_DOUBLE(&pVal[j]);
}
pc += stride;
}
break;
default:
return;
}
}
void __glXDispSwap_DrawArrays(GLbyte *pc)
{
__GLXdispatchDrawArraysHeader *hdr = (__GLXdispatchDrawArraysHeader *)pc;
__GLXdispatchDrawArraysComponentHeader *compHeader;
int i;
__GLX_DECLARE_SWAP_VARIABLES;
__GLX_SWAP_INT(&hdr->numVertexes);
__GLX_SWAP_INT(&hdr->numComponents);
__GLX_SWAP_INT(&hdr->primType);
pc += sizeof(__GLXdispatchDrawArraysHeader);
compHeader = (__GLXdispatchDrawArraysComponentHeader *) pc;
/* compute stride (same for all component arrays) */
for (i=0; i<hdr->numComponents; i++) {
__GLX_SWAP_INT(&compHeader[i].datatype);
__GLX_SWAP_INT(&compHeader[i].numVals);
__GLX_SWAP_INT(&compHeader[i].component);
}
}
void __glXDispSwap_DrawArraysEXT(GLbyte *pc)
{
#ifdef XXX_STUB
#endif /*XXX_STUB*/
}
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