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xsrc/xfree/xc/lib/GL/glx/single2.c

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/* $XFree86: xc/lib/GL/glx/single2.c,v 1.16 2004/12/10 16:06:56 alanh Exp $ */
/*
** 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_GL_FUNCS_WRAPPED
#include <stdio.h>
#include "glxclient.h"
#include "packsingle.h"
#include "glxextensions.h"
/* Used for GL_ARB_transpose_matrix */
static void TransposeMatrixf(GLfloat m[16])
{
int i, j;
for (i = 0; i < 4; i++) {
for (j = 0; j < i; j++) {
GLfloat tmp = m[i*4+j];
m[i*4+j] = m[j*4+i];
m[j*4+i] = tmp;
}
}
}
/* Used for GL_ARB_transpose_matrix */
static void TransposeMatrixb(GLboolean m[16])
{
int i, j;
for (i = 0; i < 4; i++) {
for (j = 0; j < i; j++) {
GLboolean tmp = m[i*4+j];
m[i*4+j] = m[j*4+i];
m[j*4+i] = tmp;
}
}
}
/* Used for GL_ARB_transpose_matrix */
static void TransposeMatrixd(GLdouble m[16])
{
int i, j;
for (i = 0; i < 4; i++) {
for (j = 0; j < i; j++) {
GLdouble tmp = m[i*4+j];
m[i*4+j] = m[j*4+i];
m[j*4+i] = tmp;
}
}
}
/* Used for GL_ARB_transpose_matrix */
static void TransposeMatrixi(GLint m[16])
{
int i, j;
for (i = 0; i < 4; i++) {
for (j = 0; j < i; j++) {
GLint tmp = m[i*4+j];
m[i*4+j] = m[j*4+i];
m[j*4+i] = tmp;
}
}
}
GLenum glGetError(void)
{
__GLX_SINGLE_DECLARE_VARIABLES();
GLuint retval = GL_NO_ERROR;
xGLXGetErrorReply reply;
if (gc->error) {
/* Use internal error first */
retval = gc->error;
gc->error = GL_NO_ERROR;
return retval;
}
__GLX_SINGLE_LOAD_VARIABLES();
__GLX_SINGLE_BEGIN(X_GLsop_GetError,0);
__GLX_SINGLE_READ_XREPLY();
retval = reply.error;
__GLX_SINGLE_END();
return retval;
}
void glGetClipPlane(GLenum plane, GLdouble *equation)
{
__GLX_SINGLE_DECLARE_VARIABLES();
xGLXSingleReply reply;
__GLX_SINGLE_LOAD_VARIABLES();
__GLX_SINGLE_BEGIN(X_GLsop_GetClipPlane,4);
__GLX_SINGLE_PUT_LONG(0,plane);
__GLX_SINGLE_READ_XREPLY();
if (reply.length == 8) {
__GLX_SINGLE_GET_DOUBLE_ARRAY(equation,4);
}
__GLX_SINGLE_END();
}
#define CASE_ARRAY_ENABLE(enum_name,array,dest,gl_type) \
case GL_ ## enum_name ## _ARRAY: \
*dest = (gl_type) (IS_ARRAY_ENABLED(state, array)); break
#define CASE_ARRAY_SIZE(enum_name,array,dest,gl_type) \
case GL_ ## enum_name ## _ARRAY_SIZE: \
*dest = (gl_type) state->vertArray.arrays[array ## _ARRAY].size ; break
#define CASE_ARRAY_TYPE(enum_name,array,dest,gl_type) \
case GL_ ## enum_name ## _ARRAY_TYPE: \
*dest = (gl_type) state->vertArray.arrays[array ## _ARRAY].type ; break
#define CASE_ARRAY_STRIDE(enum_name,array,dest,gl_type) \
case GL_ ## enum_name ## _ARRAY_STRIDE: \
*dest = (gl_type) state->vertArray.arrays[array ## _ARRAY].stride ; break
#define CASE_ARRAY_ALL(enum_name,array,dest,gl_type) \
CASE_ARRAY_ENABLE(enum_name,array,dest,gl_type); \
CASE_ARRAY_STRIDE(enum_name,array,dest,gl_type); \
CASE_ARRAY_TYPE(enum_name,array,dest,gl_type); \
CASE_ARRAY_SIZE(enum_name,array,dest,gl_type)
void glGetBooleanv(GLenum val, GLboolean *b)
{
const GLenum origVal = val;
__GLX_SINGLE_DECLARE_VARIABLES();
__GLXattribute * state = (__GLXattribute *)(gc->client_state_private);
xGLXSingleReply reply;
if (val == GL_TRANSPOSE_MODELVIEW_MATRIX_ARB) {
val = GL_MODELVIEW_MATRIX;
}
else if (val == GL_TRANSPOSE_PROJECTION_MATRIX_ARB) {
val = GL_PROJECTION_MATRIX;
}
else if (val == GL_TRANSPOSE_TEXTURE_MATRIX_ARB) {
val = GL_TEXTURE_MATRIX;
}
else if (val == GL_TRANSPOSE_COLOR_MATRIX_ARB) {
val = GL_COLOR_MATRIX;
}
__GLX_SINGLE_LOAD_VARIABLES();
__GLX_SINGLE_BEGIN(X_GLsop_GetBooleanv,4);
__GLX_SINGLE_PUT_LONG(0,val);
__GLX_SINGLE_READ_XREPLY();
__GLX_SINGLE_GET_SIZE(compsize);
if (compsize == 0) {
/*
** Error occured; don't modify user's buffer.
*/
} else {
/*
** For all the queries listed here, we use the locally stored
** values rather than the one returned by the server. Note that
** we still needed to send the request to the server in order to
** find out whether it was legal to make a query (it's illegal,
** for example, to call a query between glBegin() and glEnd()).
*/
switch (val) {
case GL_PACK_ROW_LENGTH:
*b = (GLboolean)state->storePack.rowLength;
break;
case GL_PACK_IMAGE_HEIGHT:
*b = (GLboolean)state->storePack.imageHeight;
break;
case GL_PACK_SKIP_ROWS:
*b = (GLboolean)state->storePack.skipRows;
break;
case GL_PACK_SKIP_PIXELS:
*b = (GLboolean)state->storePack.skipPixels;
break;
case GL_PACK_SKIP_IMAGES:
*b = (GLboolean)state->storePack.skipImages;
break;
case GL_PACK_ALIGNMENT:
*b = (GLboolean)state->storePack.alignment;
break;
case GL_PACK_SWAP_BYTES:
*b = (GLboolean)state->storePack.swapEndian;
break;
case GL_PACK_LSB_FIRST:
*b = (GLboolean)state->storePack.lsbFirst;
break;
case GL_UNPACK_ROW_LENGTH:
*b = (GLboolean)state->storeUnpack.rowLength;
break;
case GL_UNPACK_IMAGE_HEIGHT:
*b = (GLboolean)state->storeUnpack.imageHeight;
break;
case GL_UNPACK_SKIP_ROWS:
*b = (GLboolean)state->storeUnpack.skipRows;
break;
case GL_UNPACK_SKIP_PIXELS:
*b = (GLboolean)state->storeUnpack.skipPixels;
break;
case GL_UNPACK_SKIP_IMAGES:
*b = (GLboolean)state->storeUnpack.skipImages;
break;
case GL_UNPACK_ALIGNMENT:
*b = (GLboolean)state->storeUnpack.alignment;
break;
case GL_UNPACK_SWAP_BYTES:
*b = (GLboolean)state->storeUnpack.swapEndian;
break;
case GL_UNPACK_LSB_FIRST:
*b = (GLboolean)state->storeUnpack.lsbFirst;
break;
CASE_ARRAY_ALL(VERTEX, vertex, b, GLboolean);
CASE_ARRAY_ENABLE(NORMAL, normal, b, GLboolean);
CASE_ARRAY_TYPE(NORMAL, normal, b, GLboolean);
CASE_ARRAY_STRIDE(NORMAL, normal, b, GLboolean);
CASE_ARRAY_ALL(COLOR, color, b, GLboolean);
CASE_ARRAY_ENABLE(INDEX, index, b, GLboolean);
CASE_ARRAY_TYPE(INDEX, index, b, GLboolean);
CASE_ARRAY_STRIDE(INDEX, index, b, GLboolean);
case GL_TEXTURE_COORD_ARRAY:
*b = (GLboolean)IS_TEXARRAY_ENABLED(state, state->vertArray.activeTexture);
break;
case GL_TEXTURE_COORD_ARRAY_SIZE:
*b = (GLboolean)state->vertArray.texCoord[state->vertArray.activeTexture].size;
break;
case GL_TEXTURE_COORD_ARRAY_TYPE:
*b = (GLboolean)state->vertArray.texCoord[state->vertArray.activeTexture].type;
break;
case GL_TEXTURE_COORD_ARRAY_STRIDE:
*b = (GLboolean)state->vertArray.texCoord[state->vertArray.activeTexture].stride;
break;
CASE_ARRAY_ENABLE(EDGE_FLAG, edgeFlag, b, GLboolean);
CASE_ARRAY_STRIDE(EDGE_FLAG, edgeFlag, b, GLboolean);
CASE_ARRAY_ALL(SECONDARY_COLOR, secondaryColor, b, GLboolean);
CASE_ARRAY_ENABLE(FOG_COORD, fogCoord, b, GLboolean);
CASE_ARRAY_TYPE(FOG_COORD, fogCoord, b, GLboolean);
CASE_ARRAY_STRIDE(FOG_COORD, fogCoord, b, GLboolean);
case GL_MAX_ELEMENTS_VERTICES:
*b = (GLboolean)state->vertArray.maxElementsVertices;
break;
case GL_MAX_ELEMENTS_INDICES:
*b = (GLboolean)state->vertArray.maxElementsIndices;
break;
case GL_MAX_CLIENT_ATTRIB_STACK_DEPTH:
*b = (GLboolean)__GL_CLIENT_ATTRIB_STACK_DEPTH;
break;
case GL_CLIENT_ACTIVE_TEXTURE_ARB:
*b = (GLboolean)(state->vertArray.activeTexture + GL_TEXTURE0_ARB);
break;
default:
/*
** Not a local value, so use what we got from the server.
*/
if (compsize == 1) {
__GLX_SINGLE_GET_CHAR(b);
} else {
__GLX_SINGLE_GET_CHAR_ARRAY(b,compsize);
if (val != origVal) {
/* matrix transpose */
TransposeMatrixb(b);
}
}
}
}
__GLX_SINGLE_END();
}
void glGetDoublev(GLenum val, GLdouble *d)
{
const GLenum origVal = val;
__GLX_SINGLE_DECLARE_VARIABLES();
__GLXattribute * state = (__GLXattribute *)(gc->client_state_private);
xGLXSingleReply reply;
if (val == GL_TRANSPOSE_MODELVIEW_MATRIX_ARB) {
val = GL_MODELVIEW_MATRIX;
}
else if (val == GL_TRANSPOSE_PROJECTION_MATRIX_ARB) {
val = GL_PROJECTION_MATRIX;
}
else if (val == GL_TRANSPOSE_TEXTURE_MATRIX_ARB) {
val = GL_TEXTURE_MATRIX;
}
else if (val == GL_TRANSPOSE_COLOR_MATRIX_ARB) {
val = GL_COLOR_MATRIX;
}
__GLX_SINGLE_LOAD_VARIABLES();
__GLX_SINGLE_BEGIN(X_GLsop_GetDoublev,4);
__GLX_SINGLE_PUT_LONG(0,val);
__GLX_SINGLE_READ_XREPLY();
__GLX_SINGLE_GET_SIZE(compsize);
if (compsize == 0) {
/*
** Error occured; don't modify user's buffer.
*/
} else {
/*
** For all the queries listed here, we use the locally stored
** values rather than the one returned by the server. Note that
** we still needed to send the request to the server in order to
** find out whether it was legal to make a query (it's illegal,
** for example, to call a query between glBegin() and glEnd()).
*/
switch (val) {
case GL_PACK_ROW_LENGTH:
*d = (GLdouble)state->storePack.rowLength;
break;
case GL_PACK_IMAGE_HEIGHT:
*d = (GLdouble)state->storePack.imageHeight;
break;
case GL_PACK_SKIP_ROWS:
*d = (GLdouble)state->storePack.skipRows;
break;
case GL_PACK_SKIP_PIXELS:
*d = (GLdouble)state->storePack.skipPixels;
break;
case GL_PACK_SKIP_IMAGES:
*d = (GLdouble)state->storePack.skipImages;
break;
case GL_PACK_ALIGNMENT:
*d = (GLdouble)state->storePack.alignment;
break;
case GL_PACK_SWAP_BYTES:
*d = (GLdouble)state->storePack.swapEndian;
break;
case GL_PACK_LSB_FIRST:
*d = (GLdouble)state->storePack.lsbFirst;
break;
case GL_UNPACK_ROW_LENGTH:
*d = (GLdouble)state->storeUnpack.rowLength;
break;
case GL_UNPACK_IMAGE_HEIGHT:
*d = (GLdouble)state->storeUnpack.imageHeight;
break;
case GL_UNPACK_SKIP_ROWS:
*d = (GLdouble)state->storeUnpack.skipRows;
break;
case GL_UNPACK_SKIP_PIXELS:
*d = (GLdouble)state->storeUnpack.skipPixels;
break;
case GL_UNPACK_SKIP_IMAGES:
*d = (GLdouble)state->storeUnpack.skipImages;
break;
case GL_UNPACK_ALIGNMENT:
*d = (GLdouble)state->storeUnpack.alignment;
break;
case GL_UNPACK_SWAP_BYTES:
*d = (GLdouble)state->storeUnpack.swapEndian;
break;
case GL_UNPACK_LSB_FIRST:
*d = (GLdouble)state->storeUnpack.lsbFirst;
break;
CASE_ARRAY_ALL(VERTEX, vertex, d, GLdouble);
CASE_ARRAY_ENABLE(NORMAL, normal, d, GLdouble);
CASE_ARRAY_TYPE(NORMAL, normal, d, GLdouble);
CASE_ARRAY_STRIDE(NORMAL, normal, d, GLdouble);
CASE_ARRAY_ALL(COLOR, color, d, GLdouble);
CASE_ARRAY_ENABLE(INDEX, index, d, GLdouble);
CASE_ARRAY_TYPE(INDEX, index, d, GLdouble);
CASE_ARRAY_STRIDE(INDEX, index, d, GLdouble);
case GL_TEXTURE_COORD_ARRAY:
*d = (GLdouble) IS_TEXARRAY_ENABLED(state, state->vertArray.activeTexture);
break;
case GL_TEXTURE_COORD_ARRAY_SIZE:
*d = (GLdouble)state->vertArray.texCoord[state->vertArray.activeTexture].size;
break;
case GL_TEXTURE_COORD_ARRAY_TYPE:
*d = (GLdouble)state->vertArray.texCoord[state->vertArray.activeTexture].type;
break;
case GL_TEXTURE_COORD_ARRAY_STRIDE:
*d = (GLdouble)state->vertArray.texCoord[state->vertArray.activeTexture].stride;
break;
CASE_ARRAY_ENABLE(EDGE_FLAG, edgeFlag, d, GLdouble);
CASE_ARRAY_STRIDE(EDGE_FLAG, edgeFlag, d, GLdouble);
CASE_ARRAY_ALL(SECONDARY_COLOR, secondaryColor, d, GLdouble);
CASE_ARRAY_ENABLE(FOG_COORD, fogCoord, d, GLdouble);
CASE_ARRAY_TYPE(FOG_COORD, fogCoord, d, GLdouble);
CASE_ARRAY_STRIDE(FOG_COORD, fogCoord, d, GLdouble);
case GL_MAX_ELEMENTS_VERTICES:
*d = (GLdouble)state->vertArray.maxElementsVertices;
break;
case GL_MAX_ELEMENTS_INDICES:
*d = (GLdouble)state->vertArray.maxElementsIndices;
break;
case GL_MAX_CLIENT_ATTRIB_STACK_DEPTH:
*d = (GLdouble)__GL_CLIENT_ATTRIB_STACK_DEPTH;
break;
case GL_CLIENT_ACTIVE_TEXTURE_ARB:
*d = (GLdouble)(state->vertArray.activeTexture + GL_TEXTURE0_ARB);
break;
default:
/*
** Not a local value, so use what we got from the server.
*/
if (compsize == 1) {
__GLX_SINGLE_GET_DOUBLE(d);
} else {
__GLX_SINGLE_GET_DOUBLE_ARRAY(d,compsize);
if (val != origVal) {
/* matrix transpose */
TransposeMatrixd(d);
}
}
}
}
__GLX_SINGLE_END();
}
void glGetFloatv(GLenum val, GLfloat *f)
{
const GLenum origVal = val;
__GLX_SINGLE_DECLARE_VARIABLES();
__GLXattribute * state = (__GLXattribute *)(gc->client_state_private);
xGLXSingleReply reply;
if (val == GL_TRANSPOSE_MODELVIEW_MATRIX_ARB) {
val = GL_MODELVIEW_MATRIX;
}
else if (val == GL_TRANSPOSE_PROJECTION_MATRIX_ARB) {
val = GL_PROJECTION_MATRIX;
}
else if (val == GL_TRANSPOSE_TEXTURE_MATRIX_ARB) {
val = GL_TEXTURE_MATRIX;
}
else if (val == GL_TRANSPOSE_COLOR_MATRIX_ARB) {
val = GL_COLOR_MATRIX;
}
__GLX_SINGLE_LOAD_VARIABLES();
__GLX_SINGLE_BEGIN(X_GLsop_GetFloatv,4);
__GLX_SINGLE_PUT_LONG(0,val);
__GLX_SINGLE_READ_XREPLY();
__GLX_SINGLE_GET_SIZE(compsize);
if (compsize == 0) {
/*
** Error occured; don't modify user's buffer.
*/
} else {
/*
** For all the queries listed here, we use the locally stored
** values rather than the one returned by the server. Note that
** we still needed to send the request to the server in order to
** find out whether it was legal to make a query (it's illegal,
** for example, to call a query between glBegin() and glEnd()).
*/
switch (val) {
case GL_PACK_ROW_LENGTH:
*f = (GLfloat)state->storePack.rowLength;
break;
case GL_PACK_IMAGE_HEIGHT:
*f = (GLfloat)state->storePack.imageHeight;
break;
case GL_PACK_SKIP_ROWS:
*f = (GLfloat)state->storePack.skipRows;
break;
case GL_PACK_SKIP_PIXELS:
*f = (GLfloat)state->storePack.skipPixels;
break;
case GL_PACK_SKIP_IMAGES:
*f = (GLfloat)state->storePack.skipImages;
break;
case GL_PACK_ALIGNMENT:
*f = (GLfloat)state->storePack.alignment;
break;
case GL_PACK_SWAP_BYTES:
*f = (GLfloat)state->storePack.swapEndian;
break;
case GL_PACK_LSB_FIRST:
*f = (GLfloat)state->storePack.lsbFirst;
break;
case GL_UNPACK_ROW_LENGTH:
*f = (GLfloat)state->storeUnpack.rowLength;
break;
case GL_UNPACK_IMAGE_HEIGHT:
*f = (GLfloat)state->storeUnpack.imageHeight;
break;
case GL_UNPACK_SKIP_ROWS:
*f = (GLfloat)state->storeUnpack.skipRows;
break;
case GL_UNPACK_SKIP_PIXELS:
*f = (GLfloat)state->storeUnpack.skipPixels;
break;
case GL_UNPACK_SKIP_IMAGES:
*f = (GLfloat)state->storeUnpack.skipImages;
break;
case GL_UNPACK_ALIGNMENT:
*f = (GLfloat)state->storeUnpack.alignment;
break;
case GL_UNPACK_SWAP_BYTES:
*f = (GLfloat)state->storeUnpack.swapEndian;
break;
case GL_UNPACK_LSB_FIRST:
*f = (GLfloat)state->storeUnpack.lsbFirst;
break;
CASE_ARRAY_ALL(VERTEX, vertex, f, GLfloat);
CASE_ARRAY_ENABLE(NORMAL, normal, f, GLfloat);
CASE_ARRAY_TYPE(NORMAL, normal, f, GLfloat);
CASE_ARRAY_STRIDE(NORMAL, normal, f, GLfloat);
CASE_ARRAY_ALL(COLOR, color, f, GLfloat);
CASE_ARRAY_ENABLE(INDEX, index, f, GLfloat);
CASE_ARRAY_TYPE(INDEX, index, f, GLfloat);
CASE_ARRAY_STRIDE(INDEX, index, f, GLfloat);
case GL_TEXTURE_COORD_ARRAY:
*f = (GLfloat) IS_TEXARRAY_ENABLED(state, state->vertArray.activeTexture);
break;
case GL_TEXTURE_COORD_ARRAY_SIZE:
*f = (GLfloat)state->vertArray.texCoord[state->vertArray.activeTexture].size;
break;
case GL_TEXTURE_COORD_ARRAY_TYPE:
*f = (GLfloat)state->vertArray.texCoord[state->vertArray.activeTexture].type;
break;
case GL_TEXTURE_COORD_ARRAY_STRIDE:
*f = (GLfloat)state->vertArray.texCoord[state->vertArray.activeTexture].stride;
break;
CASE_ARRAY_ENABLE(EDGE_FLAG, edgeFlag, f, GLfloat);
CASE_ARRAY_STRIDE(EDGE_FLAG, edgeFlag, f, GLfloat);
CASE_ARRAY_ALL(SECONDARY_COLOR, secondaryColor, f, GLfloat);
CASE_ARRAY_ENABLE(FOG_COORD, fogCoord, f, GLfloat);
CASE_ARRAY_TYPE(FOG_COORD, fogCoord, f, GLfloat);
CASE_ARRAY_STRIDE(FOG_COORD, fogCoord, f, GLfloat);
case GL_MAX_ELEMENTS_VERTICES:
*f = (GLfloat)state->vertArray.maxElementsVertices;
break;
case GL_MAX_ELEMENTS_INDICES:
*f = (GLfloat)state->vertArray.maxElementsIndices;
break;
case GL_MAX_CLIENT_ATTRIB_STACK_DEPTH:
*f = (GLfloat)__GL_CLIENT_ATTRIB_STACK_DEPTH;
break;
case GL_CLIENT_ACTIVE_TEXTURE_ARB:
*f = (GLfloat)(state->vertArray.activeTexture + GL_TEXTURE0_ARB);
break;
default:
/*
** Not a local value, so use what we got from the server.
*/
if (compsize == 1) {
__GLX_SINGLE_GET_FLOAT(f);
} else {
__GLX_SINGLE_GET_FLOAT_ARRAY(f,compsize);
if (val != origVal) {
/* matrix transpose */
TransposeMatrixf(f);
}
}
}
}
__GLX_SINGLE_END();
}
void glGetIntegerv(GLenum val, GLint *i)
{
const GLenum origVal = val;
__GLX_SINGLE_DECLARE_VARIABLES();
__GLXattribute * state = (__GLXattribute *)(gc->client_state_private);
xGLXSingleReply reply;
if (val == GL_TRANSPOSE_MODELVIEW_MATRIX_ARB) {
val = GL_MODELVIEW_MATRIX;
}
else if (val == GL_TRANSPOSE_PROJECTION_MATRIX_ARB) {
val = GL_PROJECTION_MATRIX;
}
else if (val == GL_TRANSPOSE_TEXTURE_MATRIX_ARB) {
val = GL_TEXTURE_MATRIX;
}
else if (val == GL_TRANSPOSE_COLOR_MATRIX_ARB) {
val = GL_COLOR_MATRIX;
}
__GLX_SINGLE_LOAD_VARIABLES();
__GLX_SINGLE_BEGIN(X_GLsop_GetIntegerv,4);
__GLX_SINGLE_PUT_LONG(0,val);
__GLX_SINGLE_READ_XREPLY();
__GLX_SINGLE_GET_SIZE(compsize);
if (compsize == 0) {
/*
** Error occured; don't modify user's buffer.
*/
} else {
/*
** For all the queries listed here, we use the locally stored
** values rather than the one returned by the server. Note that
** we still needed to send the request to the server in order to
** find out whether it was legal to make a query (it's illegal,
** for example, to call a query between glBegin() and glEnd()).
*/
switch (val) {
case GL_PACK_ROW_LENGTH:
*i = (GLint)state->storePack.rowLength;
break;
case GL_PACK_IMAGE_HEIGHT:
*i = (GLint)state->storePack.imageHeight;
break;
case GL_PACK_SKIP_ROWS:
*i = (GLint)state->storePack.skipRows;
break;
case GL_PACK_SKIP_PIXELS:
*i = (GLint)state->storePack.skipPixels;
break;
case GL_PACK_SKIP_IMAGES:
*i = (GLint)state->storePack.skipImages;
break;
case GL_PACK_ALIGNMENT:
*i = (GLint)state->storePack.alignment;
break;
case GL_PACK_SWAP_BYTES:
*i = (GLint)state->storePack.swapEndian;
break;
case GL_PACK_LSB_FIRST:
*i = (GLint)state->storePack.lsbFirst;
break;
case GL_UNPACK_ROW_LENGTH:
*i = (GLint)state->storeUnpack.rowLength;
break;
case GL_UNPACK_IMAGE_HEIGHT:
*i = (GLint)state->storeUnpack.imageHeight;
break;
case GL_UNPACK_SKIP_ROWS:
*i = (GLint)state->storeUnpack.skipRows;
break;
case GL_UNPACK_SKIP_PIXELS:
*i = (GLint)state->storeUnpack.skipPixels;
break;
case GL_UNPACK_SKIP_IMAGES:
*i = (GLint)state->storeUnpack.skipImages;
break;
case GL_UNPACK_ALIGNMENT:
*i = (GLint)state->storeUnpack.alignment;
break;
case GL_UNPACK_SWAP_BYTES:
*i = (GLint)state->storeUnpack.swapEndian;
break;
case GL_UNPACK_LSB_FIRST:
*i = (GLint)state->storeUnpack.lsbFirst;
break;
CASE_ARRAY_ALL(VERTEX, vertex, i, GLint);
CASE_ARRAY_ENABLE(NORMAL, normal, i, GLint);
CASE_ARRAY_TYPE(NORMAL, normal, i, GLint);
CASE_ARRAY_STRIDE(NORMAL, normal, i, GLint);
CASE_ARRAY_ALL(COLOR, color, i, GLint);
CASE_ARRAY_ENABLE(INDEX, index, i, GLint);
CASE_ARRAY_TYPE(INDEX, index, i, GLint);
CASE_ARRAY_STRIDE(INDEX, index, i, GLint);
case GL_TEXTURE_COORD_ARRAY:
*i = (GLint) IS_TEXARRAY_ENABLED(state, state->vertArray.activeTexture);
break;
case GL_TEXTURE_COORD_ARRAY_SIZE:
*i = (GLint)state->vertArray.texCoord[state->vertArray.activeTexture].size;
break;
case GL_TEXTURE_COORD_ARRAY_TYPE:
*i = (GLint)state->vertArray.texCoord[state->vertArray.activeTexture].type;
break;
case GL_TEXTURE_COORD_ARRAY_STRIDE:
*i = (GLint)state->vertArray.texCoord[state->vertArray.activeTexture].stride;
break;
CASE_ARRAY_ENABLE(EDGE_FLAG, edgeFlag, i, GLint);
CASE_ARRAY_STRIDE(EDGE_FLAG, edgeFlag, i, GLint);
CASE_ARRAY_ALL(SECONDARY_COLOR, secondaryColor, i, GLint);
CASE_ARRAY_ENABLE(FOG_COORD, fogCoord, i, GLint);
CASE_ARRAY_TYPE(FOG_COORD, fogCoord, i, GLint);
CASE_ARRAY_STRIDE(FOG_COORD, fogCoord, i, GLint);
case GL_MAX_ELEMENTS_VERTICES:
*i = (GLint)state->vertArray.maxElementsVertices;
break;
case GL_MAX_ELEMENTS_INDICES:
*i = (GLint)state->vertArray.maxElementsIndices;
break;
case GL_MAX_CLIENT_ATTRIB_STACK_DEPTH:
*i = (GLint)__GL_CLIENT_ATTRIB_STACK_DEPTH;
break;
case GL_CLIENT_ACTIVE_TEXTURE_ARB:
*i = (GLint)(state->vertArray.activeTexture + GL_TEXTURE0_ARB);
break;
default:
/*
** Not a local value, so use what we got from the server.
*/
if (compsize == 1) {
__GLX_SINGLE_GET_LONG(i);
} else {
__GLX_SINGLE_GET_LONG_ARRAY(i,compsize);
if (val != origVal) {
/* matrix transpose */
TransposeMatrixi(i);
}
}
}
}
__GLX_SINGLE_END();
}
/*
** Send all pending commands to server.
*/
void glFlush(void)
{
__GLX_SINGLE_DECLARE_VARIABLES();
if (!dpy) return;
__GLX_SINGLE_LOAD_VARIABLES();
__GLX_SINGLE_BEGIN(X_GLsop_Flush,0);
__GLX_SINGLE_END();
/* And finally flush the X protocol data */
XFlush(dpy);
}
void glFeedbackBuffer(GLsizei size, GLenum type, GLfloat *buffer)
{
__GLX_SINGLE_DECLARE_VARIABLES();
if (!dpy) return;
__GLX_SINGLE_LOAD_VARIABLES();
__GLX_SINGLE_BEGIN(X_GLsop_FeedbackBuffer,8);
__GLX_SINGLE_PUT_LONG(0,size);
__GLX_SINGLE_PUT_LONG(4,type);
__GLX_SINGLE_END();
gc->feedbackBuf = buffer;
}
void glSelectBuffer(GLsizei numnames, GLuint *buffer)
{
__GLX_SINGLE_DECLARE_VARIABLES();
if (!dpy) return;
__GLX_SINGLE_LOAD_VARIABLES();
__GLX_SINGLE_BEGIN(X_GLsop_SelectBuffer,4);
__GLX_SINGLE_PUT_LONG(0,numnames);
__GLX_SINGLE_END();
gc->selectBuf = buffer;
}
GLint glRenderMode(GLenum mode)
{
__GLX_SINGLE_DECLARE_VARIABLES();
GLint retval;
xGLXRenderModeReply reply;
if (!dpy) return -1;
__GLX_SINGLE_LOAD_VARIABLES();
__GLX_SINGLE_BEGIN(X_GLsop_RenderMode,4);
__GLX_SINGLE_PUT_LONG(0,mode);
__GLX_SINGLE_READ_XREPLY();
__GLX_SINGLE_GET_RETVAL(retval,GLint);
if (reply.newMode != mode) {
/*
** Switch to new mode did not take effect, therefore an error
** occured. When an error happens the server won't send us any
** other data.
*/
} else {
/* Read the feedback or selection data */
if (gc->renderMode == GL_FEEDBACK) {
__GLX_SINGLE_GET_SIZE(compsize);
__GLX_SINGLE_GET_FLOAT_ARRAY(gc->feedbackBuf, compsize);
} else
if (gc->renderMode == GL_SELECT) {
__GLX_SINGLE_GET_SIZE(compsize);
__GLX_SINGLE_GET_LONG_ARRAY(gc->selectBuf, compsize);
}
gc->renderMode = mode;
}
__GLX_SINGLE_END();
return retval;
}
void glFinish(void)
{
__GLX_SINGLE_DECLARE_VARIABLES();
xGLXSingleReply reply;
__GLX_SINGLE_LOAD_VARIABLES();
__GLX_SINGLE_BEGIN(X_GLsop_Finish,0);
__GLX_SINGLE_READ_XREPLY();
__GLX_SINGLE_END();
}
/**
* Extract the major and minor version numbers from a version string.
*/
static void
version_from_string( const char * ver,
int * major_version, int * minor_version )
{
const char * end;
long major;
long minor;
major = strtol( ver, (char **) & end, 10 );
minor = strtol( end + 1, NULL, 10 );
*major_version = major;
*minor_version = minor;
}
const GLubyte *glGetString(GLenum name)
{
__GLXcontext *gc = __glXGetCurrentContext();
Display *dpy = gc->currentDpy;
GLubyte *s = NULL;
if (!dpy) return 0;
/*
** Return the cached copy if the string has already been fetched
*/
switch(name) {
case GL_VENDOR:
if (gc->vendor) return gc->vendor;
break;
case GL_RENDERER:
if (gc->renderer) return gc->renderer;
break;
case GL_VERSION:
if (gc->version) return gc->version;
break;
case GL_EXTENSIONS:
if (gc->extensions) return gc->extensions;
break;
default:
__glXSetError(gc, GL_INVALID_ENUM);
return 0;
}
/*
** Get requested string from server
*/
(void) __glXFlushRenderBuffer( gc, gc->pc );
s = (GLubyte *) __glXGetStringFromServer( dpy, gc->majorOpcode,
X_GLsop_GetString, gc->currentContextTag,
name );
if (!s) {
/* Throw data on the floor */
__glXSetError(gc, GL_OUT_OF_MEMORY);
} else {
/*
** Update local cache
*/
switch(name) {
case GL_VENDOR:
gc->vendor = s;
break;
case GL_RENDERER:
gc->renderer = s;
break;
case GL_VERSION: {
int client_major;
int client_minor;
version_from_string( (char *) s,
& gc->server_major, & gc->server_minor );
__glXGetGLVersion( & client_major, & client_minor );
if ( (gc->server_major < client_major)
|| ((gc->server_major == client_major)
&& (gc->server_minor <= client_minor)) ) {
gc->version = s;
}
else {
/* Allow 7 bytes for the client-side GL version. This allows
* for upto version 999.999. I'm not holding my breath for
* that one! The extra 4 is for the ' ()\0' that will be
* added.
*/
const size_t size = 7 + strlen( (char *) s ) + 4;
gc->version = Xmalloc( size );
if ( gc->version == NULL ) {
/* If we couldn't allocate memory for the new string,
* make a best-effort and just copy the client-side version
* to the string and use that. It probably doesn't
* matter what is done here. If there not memory available
* for a short string, the system is probably going to die
* soon anyway.
*/
snprintf( (char *) s, strlen( (char *) s ) + 1, "%u.%u",
client_major, client_minor );
gc->version = s;
}
else {
snprintf( (char *)gc->version, size, "%u.%u (%s)",
client_major, client_minor, s );
Xfree( s );
s = gc->version;
}
}
break;
}
case GL_EXTENSIONS: {
int major = 1;
int minor = 0;
/* This code is currently disabled. I was reminded that some
* vendors intentionally exclude some extensions from their
* extension string that are part of the core version they
* advertise. In particular, on Nvidia drivers this means that
* the functionality is supported by the driver, but is not
* hardware accelerated. For example, a TNT will show core
* version 1.5, but most of the post-1.2 functionality is a
* software fallback.
*
* I don't want to break applications that rely on this odd
* behavior. At the same time, the code is written and tested,
* so I didn't want to throw it away. Therefore, the code is here
* but disabled. In the future, we may wish to and an environment
* variable to enable it.
*/
#if 0
/* Call glGetString just to make sure that gc->server_major and
* gc->server_minor are set. This version may be higher than we
* can completely support, but it may imply support for some
* extensions that we can support.
*
* For example, at the time of this writing, the client-side
* library only supports upto core GL version 1.2. However, cubic
* textures, multitexture, multisampling, and some other 1.3
* features are supported. If the server reports back version
* 1.3, but does not report all of those extensions, we will
* enable them.
*/
(void *) glGetString( GL_VERSION );
major = gc->server_major,
minor = gc->server_minor;
#endif
__glXCalculateUsableGLExtensions( gc, (char *) s, major, minor );
XFree( s );
s = gc->extensions;
break;
}
}
}
return s;
}
GLboolean glIsEnabled(GLenum cap)
{
__GLX_SINGLE_DECLARE_VARIABLES();
__GLXattribute * state = (__GLXattribute *)(gc->client_state_private);
xGLXSingleReply reply;
GLboolean retval = 0;
if (!dpy) return 0;
switch(cap) {
case GL_VERTEX_ARRAY:
return IS_ARRAY_ENABLED(state, vertex);
case GL_NORMAL_ARRAY:
return IS_ARRAY_ENABLED(state, normal);
case GL_COLOR_ARRAY:
return IS_ARRAY_ENABLED(state, color);
case GL_INDEX_ARRAY:
return IS_ARRAY_ENABLED(state, index);
case GL_TEXTURE_COORD_ARRAY:
return IS_TEXARRAY_ENABLED(state, state->vertArray.activeTexture);
case GL_EDGE_FLAG_ARRAY:
return IS_ARRAY_ENABLED(state, edgeFlag);
case GL_SECONDARY_COLOR_ARRAY:
return IS_ARRAY_ENABLED(state, secondaryColor);
case GL_FOG_COORD_ARRAY:
return IS_ARRAY_ENABLED(state, fogCoord);
}
__GLX_SINGLE_LOAD_VARIABLES();
__GLX_SINGLE_BEGIN(X_GLsop_IsEnabled,4);
__GLX_SINGLE_PUT_LONG(0,cap);
__GLX_SINGLE_READ_XREPLY();
__GLX_SINGLE_GET_RETVAL(retval, GLboolean);
__GLX_SINGLE_END();
return retval;
}
void glGetPointerv(GLenum pname, void **params)
{
__GLXcontext *gc = __glXGetCurrentContext();
__GLXattribute * state = (__GLXattribute *)(gc->client_state_private);
Display *dpy = gc->currentDpy;
if (!dpy) return;
switch(pname) {
case GL_VERTEX_ARRAY_POINTER:
*params = (void *)state->vertArray.arrays[ vertex_ARRAY ].ptr;
return;
case GL_NORMAL_ARRAY_POINTER:
*params = (void *)state->vertArray.arrays[ normal_ARRAY ].ptr;
return;
case GL_COLOR_ARRAY_POINTER:
*params = (void *)state->vertArray.arrays[ color_ARRAY ].ptr;
return;
case GL_INDEX_ARRAY_POINTER:
*params = (void *)state->vertArray.arrays[ index_ARRAY ].ptr;
return;
case GL_TEXTURE_COORD_ARRAY_POINTER:
*params = (void *)state->vertArray.texCoord[state->vertArray.activeTexture].ptr;
return;
case GL_EDGE_FLAG_ARRAY_POINTER:
*params = (void *)state->vertArray.arrays[ edgeFlag_ARRAY ].ptr;
return;
case GL_SECONDARY_COLOR_ARRAY_POINTER:
*params = (void *)state->vertArray.arrays[ secondaryColor_ARRAY ].ptr;
return;
case GL_FOG_COORD_ARRAY_POINTER:
*params = (void *)state->vertArray.arrays[ fogCoord_ARRAY ].ptr;
return;
case GL_FEEDBACK_BUFFER_POINTER:
*params = (void *)gc->feedbackBuf;
return;
case GL_SELECTION_BUFFER_POINTER:
*params = (void *)gc->selectBuf;
return;
default:
__glXSetError(gc, GL_INVALID_ENUM);
return;
}
}
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