365 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			365 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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| 
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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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| 
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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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| #include "glapitable.h"
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| #include "glapi.h"
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| #include "glthread.h"
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| #include "dispatch.h"
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| 
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| 
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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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| 
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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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|     
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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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| 
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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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| 
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|     CALL_Map1f( GET_DISPATCH(), (target, u1, u2, k, order, points) );
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| }
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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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| 
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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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|     
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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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| 
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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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| 
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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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| 
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|     CALL_Map2f( GET_DISPATCH(), (target, u1, u2, ustride, uorder, v1, v2, vstride, vorder, points) );
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| }
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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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| 
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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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| 
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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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|     } 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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| 
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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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|     CALL_Map1d( GET_DISPATCH(), (target, u1, u2, k, order, points) );
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| }
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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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| 
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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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| 
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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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|     } 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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| 
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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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|     CALL_Map2d( GET_DISPATCH(), (target, u1, u2, ustride, uorder, v1, v2, vstride, vorder, points) );
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| }
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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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| 
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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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| 
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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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| 
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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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| 
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|     pc += sizeof(__GLXdispatchDrawArraysHeader);
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|     compHeader = (__GLXdispatchDrawArraysComponentHeader *) pc;
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| 
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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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| 
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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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| 
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|         stride += __GLX_PAD(numVals * __glXTypeSize(datatype));
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|     }
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| 
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|     pc += numComponents * sizeof(__GLXdispatchDrawArraysComponentHeader);
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| 
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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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| 
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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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| 
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| 	swapArray(numVals, datatype, stride, numVertexes, pc);
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| 
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|         switch (component) {
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|           case GL_VERTEX_ARRAY:
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| 	    CALL_EnableClientState( GET_DISPATCH(), (GL_VERTEX_ARRAY) );
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| 	    CALL_VertexPointer( GET_DISPATCH(), (numVals, datatype, stride, pc) );
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|             break;
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|           case GL_NORMAL_ARRAY:
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| 	    CALL_EnableClientState( GET_DISPATCH(), (GL_NORMAL_ARRAY) );
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| 	    CALL_NormalPointer( GET_DISPATCH(), (datatype, stride, pc) );
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|             break;
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|           case GL_COLOR_ARRAY:
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| 	    CALL_EnableClientState( GET_DISPATCH(), (GL_COLOR_ARRAY) );
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| 	    CALL_ColorPointer( GET_DISPATCH(), (numVals, datatype, stride, pc) );
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|             break;
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|           case GL_INDEX_ARRAY:
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| 	    CALL_EnableClientState( GET_DISPATCH(), (GL_INDEX_ARRAY) );
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| 	    CALL_IndexPointer( GET_DISPATCH(), (datatype, stride, pc) );
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|             break;
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|           case GL_TEXTURE_COORD_ARRAY:
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| 	    CALL_EnableClientState( GET_DISPATCH(), (GL_TEXTURE_COORD_ARRAY) );
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| 	    CALL_TexCoordPointer( GET_DISPATCH(), (numVals, datatype, stride, pc) );
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|             break;
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|           case GL_EDGE_FLAG_ARRAY:
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| 	    CALL_EnableClientState( GET_DISPATCH(), (GL_EDGE_FLAG_ARRAY) );
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| 	    CALL_EdgeFlagPointer( GET_DISPATCH(), (stride, (const GLboolean *)pc) );
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|             break;
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|           case GL_SECONDARY_COLOR_ARRAY:
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| 	    CALL_EnableClientState( GET_DISPATCH(), (GL_SECONDARY_COLOR_ARRAY) );
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| 	    CALL_SecondaryColorPointerEXT( GET_DISPATCH(), (numVals, datatype, stride, pc) );
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|             break;
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|           case GL_FOG_COORD_ARRAY:
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| 	    CALL_EnableClientState( GET_DISPATCH(), (GL_FOG_COORD_ARRAY) );
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| 	    CALL_FogCoordPointerEXT( GET_DISPATCH(), (datatype, stride, pc) );
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|             break;
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|           default:
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|             break;
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| 	}
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| 
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|         pc += __GLX_PAD(numVals * __glXTypeSize(datatype));
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|     }
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| 
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|     CALL_DrawArrays( GET_DISPATCH(), (primType, 0, numVertexes) );
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| 
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|     /* turn off anything we might have turned on */
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|     CALL_DisableClientState( GET_DISPATCH(), (GL_VERTEX_ARRAY) );
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|     CALL_DisableClientState( GET_DISPATCH(), (GL_NORMAL_ARRAY) );
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|     CALL_DisableClientState( GET_DISPATCH(), (GL_COLOR_ARRAY) );
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|     CALL_DisableClientState( GET_DISPATCH(), (GL_INDEX_ARRAY) );
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|     CALL_DisableClientState( GET_DISPATCH(), (GL_TEXTURE_COORD_ARRAY) );
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|     CALL_DisableClientState( GET_DISPATCH(), (GL_EDGE_FLAG_ARRAY) );
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|     CALL_DisableClientState( GET_DISPATCH(), (GL_SECONDARY_COLOR_ARRAY) );
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|     CALL_DisableClientState( GET_DISPATCH(), (GL_FOG_COORD_ARRAY) );
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| }
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