xenocara/xserver/glx/render2swap.c

365 lines
11 KiB
C

/*
* SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
* Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice including the dates of first publication and
* either this permission notice or a reference to
* http://oss.sgi.com/projects/FreeB/
* shall be included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* Except as contained in this notice, the name of Silicon Graphics, Inc.
* shall not be used in advertising or otherwise to promote the sale, use or
* other dealings in this Software without prior written authorization from
* Silicon Graphics, Inc.
*/
#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 __glXDispSwap_Map1f(GLbyte *pc)
{
GLint order, k;
GLfloat u1, u2, *points;
GLenum target;
GLint compsize;
__GLX_DECLARE_SWAP_VARIABLES;
__GLX_DECLARE_SWAP_ARRAY_VARIABLES;
__GLX_SWAP_INT(pc + 0);
__GLX_SWAP_INT(pc + 12);
__GLX_SWAP_FLOAT(pc + 4);
__GLX_SWAP_FLOAT(pc + 8);
target = *(GLenum *)(pc + 0);
order = *(GLint *)(pc + 12);
u1 = *(GLfloat *)(pc + 4);
u2 = *(GLfloat *)(pc + 8);
points = (GLfloat *)(pc + 16);
k = __glMap1f_size(target);
if (order <= 0 || k < 0) {
/* Erroneous command. */
compsize = 0;
} else {
compsize = order * k;
}
__GLX_SWAP_FLOAT_ARRAY(points, compsize);
CALL_Map1f( GET_DISPATCH(), (target, u1, u2, k, order, points) );
}
void __glXDispSwap_Map2f(GLbyte *pc)
{
GLint uorder, vorder, ustride, vstride, k;
GLfloat u1, u2, v1, v2, *points;
GLenum target;
GLint compsize;
__GLX_DECLARE_SWAP_VARIABLES;
__GLX_DECLARE_SWAP_ARRAY_VARIABLES;
__GLX_SWAP_INT(pc + 0);
__GLX_SWAP_INT(pc + 12);
__GLX_SWAP_INT(pc + 24);
__GLX_SWAP_FLOAT(pc + 4);
__GLX_SWAP_FLOAT(pc + 8);
__GLX_SWAP_FLOAT(pc + 16);
__GLX_SWAP_FLOAT(pc + 20);
target = *(GLenum *)(pc + 0);
uorder = *(GLint *)(pc + 12);
vorder = *(GLint *)(pc + 24);
u1 = *(GLfloat *)(pc + 4);
u2 = *(GLfloat *)(pc + 8);
v1 = *(GLfloat *)(pc + 16);
v2 = *(GLfloat *)(pc + 20);
points = (GLfloat *)(pc + 28);
k = __glMap2f_size(target);
ustride = vorder * k;
vstride = k;
if (vorder <= 0 || uorder <= 0 || k < 0) {
/* Erroneous command. */
compsize = 0;
} else {
compsize = uorder * vorder * k;
}
__GLX_SWAP_FLOAT_ARRAY(points, compsize);
CALL_Map2f( GET_DISPATCH(), (target, u1, u2, ustride, uorder, v1, v2, vstride, vorder, points) );
}
void __glXDispSwap_Map1d(GLbyte *pc)
{
GLint order, k, compsize;
GLenum target;
GLdouble u1, u2, *points;
__GLX_DECLARE_SWAP_VARIABLES;
__GLX_DECLARE_SWAP_ARRAY_VARIABLES;
__GLX_SWAP_DOUBLE(pc + 0);
__GLX_SWAP_DOUBLE(pc + 8);
__GLX_SWAP_INT(pc + 16);
__GLX_SWAP_INT(pc + 20);
target = *(GLenum*) (pc + 16);
order = *(GLint*) (pc + 20);
k = __glMap1d_size(target);
if (order <= 0 || k < 0) {
/* Erroneous command. */
compsize = 0;
} else {
compsize = order * k;
}
__GLX_GET_DOUBLE(u1,pc);
__GLX_GET_DOUBLE(u2,pc+8);
__GLX_SWAP_DOUBLE_ARRAY(pc+24, compsize);
pc += 24;
#ifdef __GLX_ALIGN64
if (((unsigned long)pc) & 7) {
/*
** Copy the doubles up 4 bytes, trashing the command but aligning
** the data in the process
*/
__GLX_MEM_COPY(pc-4, pc, compsize*8);
points = (GLdouble*) (pc - 4);
} else {
points = (GLdouble*) pc;
}
#else
points = (GLdouble*) pc;
#endif
CALL_Map1d( GET_DISPATCH(), (target, u1, u2, k, order, points) );
}
void __glXDispSwap_Map2d(GLbyte *pc)
{
GLdouble u1, u2, v1, v2, *points;
GLint uorder, vorder, ustride, vstride, k, compsize;
GLenum target;
__GLX_DECLARE_SWAP_VARIABLES;
__GLX_DECLARE_SWAP_ARRAY_VARIABLES;
__GLX_SWAP_DOUBLE(pc + 0);
__GLX_SWAP_DOUBLE(pc + 8);
__GLX_SWAP_DOUBLE(pc + 16);
__GLX_SWAP_DOUBLE(pc + 24);
__GLX_SWAP_INT(pc + 32);
__GLX_SWAP_INT(pc + 36);
__GLX_SWAP_INT(pc + 40);
target = *(GLenum *)(pc + 32);
uorder = *(GLint *)(pc + 36);
vorder = *(GLint *)(pc + 40);
k = __glMap2d_size(target);
if (vorder <= 0 || uorder <= 0 || k < 0) {
/* Erroneous command. */
compsize = 0;
} else {
compsize = uorder * vorder * k;
}
__GLX_GET_DOUBLE(u1,pc);
__GLX_GET_DOUBLE(u2,pc+8);
__GLX_GET_DOUBLE(v1,pc+16);
__GLX_GET_DOUBLE(v2,pc+24);
__GLX_SWAP_DOUBLE_ARRAY(pc+44, compsize);
pc += 44;
ustride = vorder * k;
vstride = k;
#ifdef __GLX_ALIGN64
if (((unsigned long)pc) & 7) {
/*
** Copy the doubles up 4 bytes, trashing the command but aligning
** the data in the process
*/
__GLX_MEM_COPY(pc-4, pc, compsize*8);
points = (GLdouble*) (pc - 4);
} else {
points = (GLdouble*) pc;
}
#else
points = (GLdouble*) pc;
#endif
CALL_Map2d( GET_DISPATCH(), (target, u1, u2, ustride, uorder, v1, v2, vstride, vorder, points) );
}
static void swapArray(GLint numVals, GLenum datatype,
GLint stride, GLint numVertexes, GLbyte *pc)
{
int i,j;
__GLX_DECLARE_SWAP_VARIABLES;
switch (datatype) {
case GL_BYTE:
case GL_UNSIGNED_BYTE:
/* don't need to swap */
return;
case GL_SHORT:
case GL_UNSIGNED_SHORT:
for (i=0; i<numVertexes; i++) {
GLshort *pVal = (GLshort *) pc;
for (j=0; j<numVals; j++) {
__GLX_SWAP_SHORT(&pVal[j]);
}
pc += stride;
}
break;
case GL_INT:
case GL_UNSIGNED_INT:
for (i=0; i<numVertexes; i++) {
GLint *pVal = (GLint *) pc;
for (j=0; j<numVals; j++) {
__GLX_SWAP_INT(&pVal[j]);
}
pc += stride;
}
break;
case GL_FLOAT:
for (i=0; i<numVertexes; i++) {
GLfloat *pVal = (GLfloat *) pc;
for (j=0; j<numVals; j++) {
__GLX_SWAP_FLOAT(&pVal[j]);
}
pc += stride;
}
break;
case GL_DOUBLE:
for (i=0; i<numVertexes; i++) {
GLdouble *pVal = (GLdouble *) pc;
for (j=0; j<numVals; j++) {
__GLX_SWAP_DOUBLE(&pVal[j]);
}
pc += stride;
}
break;
default:
return;
}
}
void __glXDispSwap_DrawArrays(GLbyte *pc)
{
__GLXdispatchDrawArraysHeader *hdr = (__GLXdispatchDrawArraysHeader *)pc;
__GLXdispatchDrawArraysComponentHeader *compHeader;
GLint numVertexes = hdr->numVertexes;
GLint numComponents = hdr->numComponents;
GLenum primType = hdr->primType;
GLint stride = 0;
int i;
__GLX_DECLARE_SWAP_VARIABLES;
__GLX_SWAP_INT(&numVertexes);
__GLX_SWAP_INT(&numComponents);
__GLX_SWAP_INT(&primType);
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;
GLenum component = compHeader[i].component;
__GLX_SWAP_INT(&datatype);
__GLX_SWAP_INT(&numVals);
__GLX_SWAP_INT(&component);
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;
__GLX_SWAP_INT(&datatype);
__GLX_SWAP_INT(&numVals);
__GLX_SWAP_INT(&component);
swapArray(numVals, datatype, stride, numVertexes, pc);
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) );
}