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xenocara/xserver/glx/render2.c

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/*
** 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 */
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif
#include <glxserver.h>
#include "unpack.h"
#include "indirect_size.h"
#include "indirect_dispatch.h"
#include "glapitable.h"
#include "glapi.h"
#include "glthread.h"
#include "dispatch.h"
void __glXDisp_Map1f(GLbyte *pc)
{
GLint order, k;
GLfloat u1, u2, *points;
GLenum target;
target = *(GLenum *)(pc + 0);
order = *(GLint *)(pc + 12);
u1 = *(GLfloat *)(pc + 4);
u2 = *(GLfloat *)(pc + 8);
points = (GLfloat *)(pc + 16);
k = __glMap1f_size(target);
CALL_Map1f( GET_DISPATCH(), (target, u1, u2, k, order, points) );
}
void __glXDisp_Map2f(GLbyte *pc)
{
GLint uorder, vorder, ustride, vstride, k;
GLfloat u1, u2, v1, v2, *points;
GLenum target;
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 = __glMap2f_size(target);
ustride = vorder * k;
vstride = k;
CALL_Map2f( GET_DISPATCH(), (target, u1, u2, ustride, uorder, v1, v2, vstride, vorder, points) );
}
void __glXDisp_Map1d(GLbyte *pc)
{
GLint order, k;
#ifdef __GLX_ALIGN64
GLint compsize;
#endif
GLenum target;
GLdouble u1, u2, *points;
target = *(GLenum*) (pc + 16);
order = *(GLint*) (pc + 20);
k = __glMap1d_size(target);
#ifdef __GLX_ALIGN64
if (order < 0 || k < 0) {
compsize = 0;
} else {
compsize = order * k;
}
#endif
__GLX_GET_DOUBLE(u1,pc);
__GLX_GET_DOUBLE(u2,pc+8);
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
CALL_Map1d( GET_DISPATCH(), (target, u1, u2, k, order, points) );
}
void __glXDisp_Map2d(GLbyte *pc)
{
GLdouble u1, u2, v1, v2, *points;
GLint uorder, vorder, ustride, vstride, k;
#ifdef __GLX_ALIGN64
GLint compsize;
#endif
GLenum target;
target = *(GLenum *)(pc + 32);
uorder = *(GLint *)(pc + 36);
vorder = *(GLint *)(pc + 40);
k = __glMap2d_size(target);
#ifdef __GLX_ALIGN64
if (vorder < 0 || uorder < 0 || k < 0) {
compsize = 0;
} else {
compsize = uorder * vorder * k;
}
#endif
__GLX_GET_DOUBLE(u1,pc);
__GLX_GET_DOUBLE(u2,pc+8);
__GLX_GET_DOUBLE(v1,pc+16);
__GLX_GET_DOUBLE(v2,pc+24);
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
CALL_Map2d( GET_DISPATCH(), (target, u1, u2, ustride, uorder, v1, v2, vstride, vorder, points) );
}
void __glXDisp_DrawArrays(GLbyte *pc)
{
__GLXdispatchDrawArraysHeader *hdr = (__GLXdispatchDrawArraysHeader *)pc;
__GLXdispatchDrawArraysComponentHeader *compHeader;
GLint numVertexes = hdr->numVertexes;
GLint numComponents = hdr->numComponents;
GLenum primType = hdr->primType;
GLint stride = 0;
int i;
pc += sizeof(__GLXdispatchDrawArraysHeader);
compHeader = (__GLXdispatchDrawArraysComponentHeader *)pc;
/* compute stride (same for all component arrays) */
for (i = 0; i < numComponents; i++) {
GLenum datatype = compHeader[i].datatype;
GLint numVals = compHeader[i].numVals;
stride += __GLX_PAD(numVals * __glXTypeSize(datatype));
}
pc += numComponents * sizeof(__GLXdispatchDrawArraysComponentHeader);
/* set up component arrays */
for (i = 0; i < numComponents; i++) {
GLenum datatype = compHeader[i].datatype;
GLint numVals = compHeader[i].numVals;
GLenum component = compHeader[i].component;
switch (component) {
case GL_VERTEX_ARRAY:
CALL_EnableClientState( GET_DISPATCH(), (GL_VERTEX_ARRAY) );
CALL_VertexPointer( GET_DISPATCH(), (numVals, datatype, stride, pc) );
break;
case GL_NORMAL_ARRAY:
CALL_EnableClientState( GET_DISPATCH(), (GL_NORMAL_ARRAY) );
CALL_NormalPointer( GET_DISPATCH(), (datatype, stride, pc) );
break;
case GL_COLOR_ARRAY:
CALL_EnableClientState( GET_DISPATCH(), (GL_COLOR_ARRAY) );
CALL_ColorPointer( GET_DISPATCH(), (numVals, datatype, stride, pc) );
break;
case GL_INDEX_ARRAY:
CALL_EnableClientState( GET_DISPATCH(), (GL_INDEX_ARRAY) );
CALL_IndexPointer( GET_DISPATCH(), (datatype, stride, pc) );
break;
case GL_TEXTURE_COORD_ARRAY:
CALL_EnableClientState( GET_DISPATCH(), (GL_TEXTURE_COORD_ARRAY) );
CALL_TexCoordPointer( GET_DISPATCH(), (numVals, datatype, stride, pc) );
break;
case GL_EDGE_FLAG_ARRAY:
CALL_EnableClientState( GET_DISPATCH(), (GL_EDGE_FLAG_ARRAY) );
CALL_EdgeFlagPointer( GET_DISPATCH(), (stride, (const GLboolean *)pc) );
break;
case GL_SECONDARY_COLOR_ARRAY:
CALL_EnableClientState( GET_DISPATCH(), (GL_SECONDARY_COLOR_ARRAY) );
CALL_SecondaryColorPointerEXT( GET_DISPATCH(), (numVals, datatype, stride, pc) );
break;
case GL_FOG_COORD_ARRAY:
CALL_EnableClientState( GET_DISPATCH(), (GL_FOG_COORD_ARRAY) );
CALL_FogCoordPointerEXT( GET_DISPATCH(), (datatype, stride, pc) );
break;
default:
break;
}
pc += __GLX_PAD(numVals * __glXTypeSize(datatype));
}
CALL_DrawArrays( GET_DISPATCH(), (primType, 0, numVertexes) );
/* turn off anything we might have turned on */
CALL_DisableClientState( GET_DISPATCH(), (GL_VERTEX_ARRAY) );
CALL_DisableClientState( GET_DISPATCH(), (GL_NORMAL_ARRAY) );
CALL_DisableClientState( GET_DISPATCH(), (GL_COLOR_ARRAY) );
CALL_DisableClientState( GET_DISPATCH(), (GL_INDEX_ARRAY) );
CALL_DisableClientState( GET_DISPATCH(), (GL_TEXTURE_COORD_ARRAY) );
CALL_DisableClientState( GET_DISPATCH(), (GL_EDGE_FLAG_ARRAY) );
CALL_DisableClientState( GET_DISPATCH(), (GL_SECONDARY_COLOR_ARRAY) );
CALL_DisableClientState( GET_DISPATCH(), (GL_FOG_COORD_ARRAY) );
}
void __glXDisp_DrawArraysEXT(GLbyte *pc)
{
__glXDisp_DrawArrays(pc);
}
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