390 lines
11 KiB
C
390 lines
11 KiB
C
/*
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* SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
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* Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice including the dates of first publication and
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* either this permission notice or a reference to
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* http://oss.sgi.com/projects/FreeB/
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* shall be included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
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* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* Except as contained in this notice, the name of Silicon Graphics, Inc.
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* shall not be used in advertising or otherwise to promote the sale, use or
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* other dealings in this Software without prior written authorization from
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* Silicon Graphics, Inc.
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*/
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#include "glxserver.h"
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#include "unpack.h"
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#include "indirect_size.h"
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#include "indirect_dispatch.h"
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void
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__glXDispSwap_Map1f(GLbyte * pc)
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{
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GLint order, k;
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GLfloat u1, u2, *points;
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GLenum target;
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GLint compsize;
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__GLX_DECLARE_SWAP_VARIABLES;
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__GLX_DECLARE_SWAP_ARRAY_VARIABLES;
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__GLX_SWAP_INT(pc + 0);
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__GLX_SWAP_INT(pc + 12);
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__GLX_SWAP_FLOAT(pc + 4);
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__GLX_SWAP_FLOAT(pc + 8);
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target = *(GLenum *) (pc + 0);
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order = *(GLint *) (pc + 12);
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u1 = *(GLfloat *) (pc + 4);
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u2 = *(GLfloat *) (pc + 8);
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points = (GLfloat *) (pc + 16);
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k = __glMap1f_size(target);
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if (order <= 0 || k < 0) {
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/* Erroneous command. */
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compsize = 0;
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}
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else {
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compsize = order * k;
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}
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__GLX_SWAP_FLOAT_ARRAY(points, compsize);
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glMap1f(target, u1, u2, k, order, points);
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}
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void
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__glXDispSwap_Map2f(GLbyte * pc)
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{
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GLint uorder, vorder, ustride, vstride, k;
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GLfloat u1, u2, v1, v2, *points;
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GLenum target;
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GLint compsize;
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__GLX_DECLARE_SWAP_VARIABLES;
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__GLX_DECLARE_SWAP_ARRAY_VARIABLES;
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__GLX_SWAP_INT(pc + 0);
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__GLX_SWAP_INT(pc + 12);
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__GLX_SWAP_INT(pc + 24);
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__GLX_SWAP_FLOAT(pc + 4);
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__GLX_SWAP_FLOAT(pc + 8);
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__GLX_SWAP_FLOAT(pc + 16);
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__GLX_SWAP_FLOAT(pc + 20);
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target = *(GLenum *) (pc + 0);
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uorder = *(GLint *) (pc + 12);
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vorder = *(GLint *) (pc + 24);
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u1 = *(GLfloat *) (pc + 4);
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u2 = *(GLfloat *) (pc + 8);
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v1 = *(GLfloat *) (pc + 16);
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v2 = *(GLfloat *) (pc + 20);
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points = (GLfloat *) (pc + 28);
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k = __glMap2f_size(target);
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ustride = vorder * k;
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vstride = k;
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if (vorder <= 0 || uorder <= 0 || k < 0) {
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/* Erroneous command. */
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compsize = 0;
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}
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else {
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compsize = uorder * vorder * k;
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}
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__GLX_SWAP_FLOAT_ARRAY(points, compsize);
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glMap2f(target, u1, u2, ustride, uorder, v1, v2, vstride, vorder, points);
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}
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void
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__glXDispSwap_Map1d(GLbyte * pc)
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{
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GLint order, k, compsize;
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GLenum target;
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GLdouble u1, u2, *points;
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__GLX_DECLARE_SWAP_VARIABLES;
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__GLX_DECLARE_SWAP_ARRAY_VARIABLES;
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__GLX_SWAP_DOUBLE(pc + 0);
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__GLX_SWAP_DOUBLE(pc + 8);
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__GLX_SWAP_INT(pc + 16);
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__GLX_SWAP_INT(pc + 20);
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target = *(GLenum *) (pc + 16);
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order = *(GLint *) (pc + 20);
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k = __glMap1d_size(target);
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if (order <= 0 || k < 0) {
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/* Erroneous command. */
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compsize = 0;
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}
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else {
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compsize = order * k;
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}
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__GLX_GET_DOUBLE(u1, pc);
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__GLX_GET_DOUBLE(u2, pc + 8);
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__GLX_SWAP_DOUBLE_ARRAY(pc + 24, compsize);
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pc += 24;
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#ifdef __GLX_ALIGN64
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if (((unsigned long) pc) & 7) {
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/*
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** Copy the doubles up 4 bytes, trashing the command but aligning
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** the data in the process
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*/
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__GLX_MEM_COPY(pc - 4, pc, compsize * 8);
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points = (GLdouble *) (pc - 4);
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}
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else {
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points = (GLdouble *) pc;
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}
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#else
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points = (GLdouble *) pc;
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#endif
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glMap1d(target, u1, u2, k, order, points);
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}
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void
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__glXDispSwap_Map2d(GLbyte * pc)
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{
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GLdouble u1, u2, v1, v2, *points;
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GLint uorder, vorder, ustride, vstride, k, compsize;
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GLenum target;
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__GLX_DECLARE_SWAP_VARIABLES;
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__GLX_DECLARE_SWAP_ARRAY_VARIABLES;
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__GLX_SWAP_DOUBLE(pc + 0);
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__GLX_SWAP_DOUBLE(pc + 8);
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__GLX_SWAP_DOUBLE(pc + 16);
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__GLX_SWAP_DOUBLE(pc + 24);
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__GLX_SWAP_INT(pc + 32);
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__GLX_SWAP_INT(pc + 36);
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__GLX_SWAP_INT(pc + 40);
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target = *(GLenum *) (pc + 32);
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uorder = *(GLint *) (pc + 36);
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vorder = *(GLint *) (pc + 40);
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k = __glMap2d_size(target);
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if (vorder <= 0 || uorder <= 0 || k < 0) {
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/* Erroneous command. */
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compsize = 0;
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}
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else {
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compsize = uorder * vorder * k;
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}
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__GLX_GET_DOUBLE(u1, pc);
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__GLX_GET_DOUBLE(u2, pc + 8);
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__GLX_GET_DOUBLE(v1, pc + 16);
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__GLX_GET_DOUBLE(v2, pc + 24);
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__GLX_SWAP_DOUBLE_ARRAY(pc + 44, compsize);
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pc += 44;
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ustride = vorder * k;
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vstride = k;
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#ifdef __GLX_ALIGN64
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if (((unsigned long) pc) & 7) {
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/*
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** Copy the doubles up 4 bytes, trashing the command but aligning
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** the data in the process
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*/
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__GLX_MEM_COPY(pc - 4, pc, compsize * 8);
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points = (GLdouble *) (pc - 4);
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}
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else {
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points = (GLdouble *) pc;
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}
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#else
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points = (GLdouble *) pc;
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#endif
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glMap2d(target, u1, u2, ustride, uorder, v1, v2, vstride, vorder, points);
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}
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static void
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swapArray(GLint numVals, GLenum datatype,
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GLint stride, GLint numVertexes, GLbyte * pc)
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{
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int i, j;
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__GLX_DECLARE_SWAP_VARIABLES;
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switch (datatype) {
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case GL_BYTE:
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case GL_UNSIGNED_BYTE:
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/* don't need to swap */
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return;
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case GL_SHORT:
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case GL_UNSIGNED_SHORT:
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for (i = 0; i < numVertexes; i++) {
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GLshort *pVal = (GLshort *) pc;
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for (j = 0; j < numVals; j++) {
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__GLX_SWAP_SHORT(&pVal[j]);
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}
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pc += stride;
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}
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break;
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case GL_INT:
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case GL_UNSIGNED_INT:
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for (i = 0; i < numVertexes; i++) {
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GLint *pVal = (GLint *) pc;
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for (j = 0; j < numVals; j++) {
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__GLX_SWAP_INT(&pVal[j]);
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}
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pc += stride;
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}
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break;
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case GL_FLOAT:
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for (i = 0; i < numVertexes; i++) {
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GLfloat *pVal = (GLfloat *) pc;
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for (j = 0; j < numVals; j++) {
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__GLX_SWAP_FLOAT(&pVal[j]);
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}
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pc += stride;
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}
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break;
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case GL_DOUBLE:
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for (i = 0; i < numVertexes; i++) {
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GLdouble *pVal = (GLdouble *) pc;
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for (j = 0; j < numVals; j++) {
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__GLX_SWAP_DOUBLE(&pVal[j]);
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}
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pc += stride;
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}
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break;
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default:
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return;
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}
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}
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void
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__glXDispSwap_DrawArrays(GLbyte * pc)
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{
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__GLXdispatchDrawArraysHeader *hdr = (__GLXdispatchDrawArraysHeader *) pc;
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__GLXdispatchDrawArraysComponentHeader *compHeader;
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GLint numVertexes = hdr->numVertexes;
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GLint numComponents = hdr->numComponents;
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GLenum primType = hdr->primType;
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GLint stride = 0;
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int i;
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__GLX_DECLARE_SWAP_VARIABLES;
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__GLX_SWAP_INT(&numVertexes);
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__GLX_SWAP_INT(&numComponents);
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__GLX_SWAP_INT(&primType);
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pc += sizeof(__GLXdispatchDrawArraysHeader);
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compHeader = (__GLXdispatchDrawArraysComponentHeader *) pc;
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/* compute stride (same for all component arrays) */
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for (i = 0; i < numComponents; i++) {
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GLenum datatype = compHeader[i].datatype;
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GLint numVals = compHeader[i].numVals;
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GLenum component = compHeader[i].component;
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__GLX_SWAP_INT(&datatype);
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__GLX_SWAP_INT(&numVals);
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__GLX_SWAP_INT(&component);
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stride += __GLX_PAD(numVals * __glXTypeSize(datatype));
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}
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pc += numComponents * sizeof(__GLXdispatchDrawArraysComponentHeader);
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/* set up component arrays */
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for (i = 0; i < numComponents; i++) {
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GLenum datatype = compHeader[i].datatype;
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GLint numVals = compHeader[i].numVals;
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GLenum component = compHeader[i].component;
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__GLX_SWAP_INT(&datatype);
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__GLX_SWAP_INT(&numVals);
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__GLX_SWAP_INT(&component);
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swapArray(numVals, datatype, stride, numVertexes, pc);
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switch (component) {
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case GL_VERTEX_ARRAY:
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glEnableClientState(GL_VERTEX_ARRAY);
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glVertexPointer(numVals, datatype, stride, pc);
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break;
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case GL_NORMAL_ARRAY:
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glEnableClientState(GL_NORMAL_ARRAY);
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glNormalPointer(datatype, stride, pc);
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break;
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case GL_COLOR_ARRAY:
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glEnableClientState(GL_COLOR_ARRAY);
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glColorPointer(numVals, datatype, stride, pc);
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break;
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case GL_INDEX_ARRAY:
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glEnableClientState(GL_INDEX_ARRAY);
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glIndexPointer(datatype, stride, pc);
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break;
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case GL_TEXTURE_COORD_ARRAY:
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glEnableClientState(GL_TEXTURE_COORD_ARRAY);
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glTexCoordPointer(numVals, datatype, stride, pc);
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break;
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case GL_EDGE_FLAG_ARRAY:
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glEnableClientState(GL_EDGE_FLAG_ARRAY);
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glEdgeFlagPointer(stride, (const GLboolean *) pc);
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break;
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case GL_SECONDARY_COLOR_ARRAY:
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{
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PFNGLSECONDARYCOLORPOINTERPROC SecondaryColorPointerEXT =
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__glGetProcAddress("glSecondaryColorPointerEXT");
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glEnableClientState(GL_SECONDARY_COLOR_ARRAY);
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SecondaryColorPointerEXT(numVals, datatype, stride, pc);
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break;
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}
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case GL_FOG_COORD_ARRAY:
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{
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PFNGLFOGCOORDPOINTERPROC FogCoordPointerEXT =
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__glGetProcAddress("glFogCoordPointerEXT");
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glEnableClientState(GL_FOG_COORD_ARRAY);
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FogCoordPointerEXT(datatype, stride, pc);
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break;
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}
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default:
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break;
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}
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pc += __GLX_PAD(numVals * __glXTypeSize(datatype));
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}
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glDrawArrays(primType, 0, numVertexes);
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/* turn off anything we might have turned on */
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glDisableClientState(GL_VERTEX_ARRAY);
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glDisableClientState(GL_NORMAL_ARRAY);
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glDisableClientState(GL_COLOR_ARRAY);
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glDisableClientState(GL_INDEX_ARRAY);
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glDisableClientState(GL_TEXTURE_COORD_ARRAY);
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glDisableClientState(GL_EDGE_FLAG_ARRAY);
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glDisableClientState(GL_SECONDARY_COLOR_ARRAY);
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glDisableClientState(GL_FOG_COORD_ARRAY);
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}
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