4ee0a53de8
new license. If we want to, later we can import 4.4RC3 again and pick
up the files that have the new license, but for now the vendor branch
is "pure."
391 lines
11 KiB
C
391 lines
11 KiB
C
/* $XFree86: xc/programs/Xserver/GL/glx/render2swap.c,v 1.7 2004/02/03 23:04:08 alanh Exp $ */
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/*
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** License Applicability. Except to the extent portions of this file are
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** made subject to an alternative license as permitted in the SGI Free
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** Software License B, Version 1.1 (the "License"), the contents of this
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** file are subject only to the provisions of the License. You may not use
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** this file except in compliance with the License. You may obtain a copy
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** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600
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** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at:
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**
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** http://oss.sgi.com/projects/FreeB
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**
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** Note that, as provided in the License, the Software is distributed on an
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** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS
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** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND
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** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A
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** PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
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**
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** Original Code. The Original Code is: OpenGL Sample Implementation,
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** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics,
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** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc.
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** Copyright in any portions created by third parties is as indicated
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** elsewhere herein. All Rights Reserved.
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**
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** Additional Notice Provisions: The application programming interfaces
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** established by SGI in conjunction with the Original Code are The
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** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released
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** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version
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** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X
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** Window System(R) (Version 1.3), released October 19, 1998. This software
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** was created using the OpenGL(R) version 1.2.1 Sample Implementation
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** published by SGI, but has not been independently verified as being
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** compliant with the OpenGL(R) version 1.2.1 Specification.
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**
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*/
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/* #define NEED_REPLIES */
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#include "glxserver.h"
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#include "unpack.h"
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#include "g_disptab.h"
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#include "g_disptab_EXT.h"
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extern GLint __glEvalComputeK(GLenum target);
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void __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 = __glEvalComputeK(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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} 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 __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 = __glEvalComputeK(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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} 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 __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 = __glEvalComputeK(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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} 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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} 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 __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 = __glEvalComputeK(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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} 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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} 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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void __glXDispSwap_CallLists(GLbyte *pc)
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{
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GLenum type;
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GLsizei n;
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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 + 4);
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__GLX_SWAP_INT(pc + 0);
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type = *(GLenum *)(pc + 4);
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n = *(GLsizei *)(pc + 0);
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switch (type) {
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case GL_BYTE:
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case GL_UNSIGNED_BYTE:
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case GL_2_BYTES:
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case GL_3_BYTES:
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case GL_4_BYTES:
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break;
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case GL_SHORT:
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case GL_UNSIGNED_SHORT:
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__GLX_SWAP_SHORT_ARRAY(pc+8, n);
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break;
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case GL_INT:
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case GL_UNSIGNED_INT:
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__GLX_SWAP_INT_ARRAY(pc+8, n);
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break;
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case GL_FLOAT:
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__GLX_SWAP_FLOAT_ARRAY(pc+8, n);
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break;
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}
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glCallLists(n, type, pc+8);
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}
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static void 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 __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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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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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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}
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void __glXDispSwap_DrawArraysEXT(GLbyte *pc)
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{
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__glXDispSwap_DrawArrays(pc);
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}
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