xenocara/xserver/glx/render2.c

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/*
* 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.
*/
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#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif
#include <glxserver.h>
#include "unpack.h"
#include "indirect_size.h"
#include "indirect_dispatch.h"
void
__glXDisp_Map1f(GLbyte * pc)
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{
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);
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k = __glMap1f_size(target);
glMap1f(target, u1, u2, k, order, points);
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}
void
__glXDisp_Map2f(GLbyte * pc)
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{
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);
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k = __glMap2f_size(target);
ustride = vorder * k;
vstride = k;
glMap2f(target, u1, u2, ustride, uorder, v1, v2, vstride, vorder, points);
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}
void
__glXDisp_Map1d(GLbyte * pc)
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{
GLint order, k;
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#ifdef __GLX_ALIGN64
GLint compsize;
#endif
GLenum target;
GLdouble u1, u2, *points;
target = *(GLenum *) (pc + 16);
order = *(GLint *) (pc + 20);
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k = __glMap1d_size(target);
#ifdef __GLX_ALIGN64
if (order < 0 || k < 0) {
compsize = 0;
}
else {
compsize = order * k;
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}
#endif
__GLX_GET_DOUBLE(u1, pc);
__GLX_GET_DOUBLE(u2, pc + 8);
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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;
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}
#else
points = (GLdouble *) pc;
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#endif
glMap1d(target, u1, u2, k, order, points);
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}
void
__glXDisp_Map2d(GLbyte * pc)
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{
GLdouble u1, u2, v1, v2, *points;
GLint uorder, vorder, ustride, vstride, k;
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#ifdef __GLX_ALIGN64
GLint compsize;
#endif
GLenum target;
target = *(GLenum *) (pc + 32);
uorder = *(GLint *) (pc + 36);
vorder = *(GLint *) (pc + 40);
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k = __glMap2d_size(target);
#ifdef __GLX_ALIGN64
if (vorder < 0 || uorder < 0 || k < 0) {
compsize = 0;
}
else {
compsize = uorder * vorder * k;
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}
#endif
__GLX_GET_DOUBLE(u1, pc);
__GLX_GET_DOUBLE(u2, pc + 8);
__GLX_GET_DOUBLE(v1, pc + 16);
__GLX_GET_DOUBLE(v2, pc + 24);
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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;
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}
#else
points = (GLdouble *) pc;
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#endif
glMap2d(target, u1, u2, ustride, uorder, v1, v2, vstride, vorder, points);
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}
void
__glXDisp_DrawArrays(GLbyte * pc)
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{
__GLXdispatchDrawArraysHeader *hdr = (__GLXdispatchDrawArraysHeader *) pc;
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__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;
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/* compute stride (same for all component arrays) */
for (i = 0; i < numComponents; i++) {
GLenum datatype = compHeader[i].datatype;
GLint numVals = compHeader[i].numVals;
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stride += __GLX_PAD(numVals * __glXTypeSize(datatype));
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}
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:
glEnableClientState(GL_VERTEX_ARRAY);
glVertexPointer(numVals, datatype, stride, pc);
break;
case GL_NORMAL_ARRAY:
glEnableClientState(GL_NORMAL_ARRAY);
glNormalPointer(datatype, stride, pc);
break;
case GL_COLOR_ARRAY:
glEnableClientState(GL_COLOR_ARRAY);
glColorPointer(numVals, datatype, stride, pc);
break;
case GL_INDEX_ARRAY:
glEnableClientState(GL_INDEX_ARRAY);
glIndexPointer(datatype, stride, pc);
break;
case GL_TEXTURE_COORD_ARRAY:
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
glTexCoordPointer(numVals, datatype, stride, pc);
break;
case GL_EDGE_FLAG_ARRAY:
glEnableClientState(GL_EDGE_FLAG_ARRAY);
glEdgeFlagPointer(stride, (const GLboolean *) pc);
break;
case GL_SECONDARY_COLOR_ARRAY:
{
PFNGLSECONDARYCOLORPOINTERPROC SecondaryColorPointerEXT =
__glGetProcAddress("glSecondaryColorPointerEXT");
glEnableClientState(GL_SECONDARY_COLOR_ARRAY);
SecondaryColorPointerEXT(numVals, datatype, stride, pc);
break;
}
case GL_FOG_COORD_ARRAY:
{
PFNGLFOGCOORDPOINTERPROC FogCoordPointerEXT =
__glGetProcAddress("glFogCoordPointerEXT");
glEnableClientState(GL_FOG_COORD_ARRAY);
FogCoordPointerEXT(datatype, stride, pc);
break;
}
default:
break;
}
pc += __GLX_PAD(numVals * __glXTypeSize(datatype));
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}
glDrawArrays(primType, 0, numVertexes);
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/* turn off anything we might have turned on */
glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_NORMAL_ARRAY);
glDisableClientState(GL_COLOR_ARRAY);
glDisableClientState(GL_INDEX_ARRAY);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
glDisableClientState(GL_EDGE_FLAG_ARRAY);
glDisableClientState(GL_SECONDARY_COLOR_ARRAY);
glDisableClientState(GL_FOG_COORD_ARRAY);
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}