blob: 9ecf589ffffa47d658d42aeee39e9549988eb1a1 [file] [log] [blame]
/*
* 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.
*/
#include <stdio.h>
#include <assert.h>
#include "glxclient.h"
#include "packsingle.h"
#include "glxextensions.h"
#include "indirect.h"
#include "indirect_vertex_array.h"
#include "glapitable.h"
#include "glapidispatch.h"
#include "glapi.h"
#ifdef USE_XCB
#include <xcb/xcb.h>
#include <xcb/glx.h>
#include <X11/Xlib-xcb.h>
#endif /* USE_XCB */
/* 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;
}
}
}
/**
* Remap a transpose-matrix enum to a non-transpose-matrix enum. Enums
* that are not transpose-matrix enums are unaffected.
*/
static GLenum
RemapTransposeEnum(GLenum e)
{
switch (e) {
case GL_TRANSPOSE_MODELVIEW_MATRIX:
case GL_TRANSPOSE_PROJECTION_MATRIX:
case GL_TRANSPOSE_TEXTURE_MATRIX:
return e - (GL_TRANSPOSE_MODELVIEW_MATRIX - GL_MODELVIEW_MATRIX);
case GL_TRANSPOSE_COLOR_MATRIX:
return GL_COLOR_MATRIX;
default:
return e;
};
}
GLenum
__indirect_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;
}
/**
* Get the selected attribute from the client state.
*
* \returns
* On success \c GL_TRUE is returned. Otherwise, \c GL_FALSE is returned.
*/
static GLboolean
get_client_data(__GLXcontext * gc, GLenum cap, GLintptr * data)
{
GLboolean retval = GL_TRUE;
__GLXattribute *state = (__GLXattribute *) (gc->client_state_private);
const GLint tex_unit = __glXGetActiveTextureUnit(state);
switch (cap) {
case GL_VERTEX_ARRAY:
case GL_NORMAL_ARRAY:
case GL_COLOR_ARRAY:
case GL_INDEX_ARRAY:
case GL_EDGE_FLAG_ARRAY:
case GL_SECONDARY_COLOR_ARRAY:
case GL_FOG_COORD_ARRAY:
retval = __glXGetArrayEnable(state, cap, 0, data);
break;
case GL_VERTEX_ARRAY_SIZE:
retval = __glXGetArraySize(state, GL_VERTEX_ARRAY, 0, data);
break;
case GL_COLOR_ARRAY_SIZE:
retval = __glXGetArraySize(state, GL_COLOR_ARRAY, 0, data);
break;
case GL_SECONDARY_COLOR_ARRAY_SIZE:
retval = __glXGetArraySize(state, GL_SECONDARY_COLOR_ARRAY, 0, data);
break;
case GL_VERTEX_ARRAY_TYPE:
retval = __glXGetArrayType(state, GL_VERTEX_ARRAY, 0, data);
break;
case GL_NORMAL_ARRAY_TYPE:
retval = __glXGetArrayType(state, GL_NORMAL_ARRAY, 0, data);
break;
case GL_INDEX_ARRAY_TYPE:
retval = __glXGetArrayType(state, GL_INDEX_ARRAY, 0, data);
break;
case GL_COLOR_ARRAY_TYPE:
retval = __glXGetArrayType(state, GL_COLOR_ARRAY, 0, data);
break;
case GL_SECONDARY_COLOR_ARRAY_TYPE:
retval = __glXGetArrayType(state, GL_SECONDARY_COLOR_ARRAY, 0, data);
break;
case GL_FOG_COORD_ARRAY_TYPE:
retval = __glXGetArrayType(state, GL_FOG_COORD_ARRAY, 0, data);
break;
case GL_VERTEX_ARRAY_STRIDE:
retval = __glXGetArrayStride(state, GL_VERTEX_ARRAY, 0, data);
break;
case GL_NORMAL_ARRAY_STRIDE:
retval = __glXGetArrayStride(state, GL_NORMAL_ARRAY, 0, data);
break;
case GL_INDEX_ARRAY_STRIDE:
retval = __glXGetArrayStride(state, GL_INDEX_ARRAY, 0, data);
break;
case GL_EDGE_FLAG_ARRAY_STRIDE:
retval = __glXGetArrayStride(state, GL_EDGE_FLAG_ARRAY, 0, data);
break;
case GL_COLOR_ARRAY_STRIDE:
retval = __glXGetArrayStride(state, GL_COLOR_ARRAY, 0, data);
break;
case GL_SECONDARY_COLOR_ARRAY_STRIDE:
retval = __glXGetArrayStride(state, GL_SECONDARY_COLOR_ARRAY, 0, data);
break;
case GL_FOG_COORD_ARRAY_STRIDE:
retval = __glXGetArrayStride(state, GL_FOG_COORD_ARRAY, 0, data);
break;
case GL_TEXTURE_COORD_ARRAY:
retval =
__glXGetArrayEnable(state, GL_TEXTURE_COORD_ARRAY, tex_unit, data);
break;
case GL_TEXTURE_COORD_ARRAY_SIZE:
retval =
__glXGetArraySize(state, GL_TEXTURE_COORD_ARRAY, tex_unit, data);
break;
case GL_TEXTURE_COORD_ARRAY_TYPE:
retval =
__glXGetArrayType(state, GL_TEXTURE_COORD_ARRAY, tex_unit, data);
break;
case GL_TEXTURE_COORD_ARRAY_STRIDE:
retval =
__glXGetArrayStride(state, GL_TEXTURE_COORD_ARRAY, tex_unit, data);
break;
case GL_MAX_ELEMENTS_VERTICES:
case GL_MAX_ELEMENTS_INDICES:
retval = GL_TRUE;
*data = ~0UL;
break;
case GL_PACK_ROW_LENGTH:
*data = (GLintptr) state->storePack.rowLength;
break;
case GL_PACK_IMAGE_HEIGHT:
*data = (GLintptr) state->storePack.imageHeight;
break;
case GL_PACK_SKIP_ROWS:
*data = (GLintptr) state->storePack.skipRows;
break;
case GL_PACK_SKIP_PIXELS:
*data = (GLintptr) state->storePack.skipPixels;
break;
case GL_PACK_SKIP_IMAGES:
*data = (GLintptr) state->storePack.skipImages;
break;
case GL_PACK_ALIGNMENT:
*data = (GLintptr) state->storePack.alignment;
break;
case GL_PACK_SWAP_BYTES:
*data = (GLintptr) state->storePack.swapEndian;
break;
case GL_PACK_LSB_FIRST:
*data = (GLintptr) state->storePack.lsbFirst;
break;
case GL_UNPACK_ROW_LENGTH:
*data = (GLintptr) state->storeUnpack.rowLength;
break;
case GL_UNPACK_IMAGE_HEIGHT:
*data = (GLintptr) state->storeUnpack.imageHeight;
break;
case GL_UNPACK_SKIP_ROWS:
*data = (GLintptr) state->storeUnpack.skipRows;
break;
case GL_UNPACK_SKIP_PIXELS:
*data = (GLintptr) state->storeUnpack.skipPixels;
break;
case GL_UNPACK_SKIP_IMAGES:
*data = (GLintptr) state->storeUnpack.skipImages;
break;
case GL_UNPACK_ALIGNMENT:
*data = (GLintptr) state->storeUnpack.alignment;
break;
case GL_UNPACK_SWAP_BYTES:
*data = (GLintptr) state->storeUnpack.swapEndian;
break;
case GL_UNPACK_LSB_FIRST:
*data = (GLintptr) state->storeUnpack.lsbFirst;
break;
case GL_CLIENT_ATTRIB_STACK_DEPTH:
*data = (GLintptr) (gc->attributes.stackPointer - gc->attributes.stack);
break;
case GL_MAX_CLIENT_ATTRIB_STACK_DEPTH:
*data = (GLintptr) __GL_CLIENT_ATTRIB_STACK_DEPTH;
break;
case GL_CLIENT_ACTIVE_TEXTURE:
*data = (GLintptr) (tex_unit + GL_TEXTURE0);
break;
default:
retval = GL_FALSE;
break;
}
return retval;
}
void
__indirect_glGetBooleanv(GLenum val, GLboolean * b)
{
const GLenum origVal = val;
__GLX_SINGLE_DECLARE_VARIABLES();
xGLXSingleReply reply;
val = RemapTransposeEnum(val);
__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 {
GLintptr data;
/*
** 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()).
*/
if (get_client_data(gc, val, &data)) {
*b = (GLboolean) data;
}
else {
/*
** 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
__indirect_glGetDoublev(GLenum val, GLdouble * d)
{
const GLenum origVal = val;
__GLX_SINGLE_DECLARE_VARIABLES();
xGLXSingleReply reply;
val = RemapTransposeEnum(val);
__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 {
GLintptr data;
/*
** 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()).
*/
if (get_client_data(gc, val, &data)) {
*d = (GLdouble) data;
}
else {
/*
** 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
__indirect_glGetFloatv(GLenum val, GLfloat * f)
{
const GLenum origVal = val;
__GLX_SINGLE_DECLARE_VARIABLES();
xGLXSingleReply reply;
val = RemapTransposeEnum(val);
__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 {
GLintptr data;
/*
** 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()).
*/
if (get_client_data(gc, val, &data)) {
*f = (GLfloat) data;
}
else {
/*
** 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
__indirect_glGetIntegerv(GLenum val, GLint * i)
{
const GLenum origVal = val;
__GLX_SINGLE_DECLARE_VARIABLES();
xGLXSingleReply reply;
val = RemapTransposeEnum(val);
__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 {
GLintptr data;
/*
** 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()).
*/
if (get_client_data(gc, val, &data)) {
*i = (GLint) data;
}
else {
/*
** 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
__indirect_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
__indirect_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
__indirect_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
__indirect_glRenderMode(GLenum mode)
{
__GLX_SINGLE_DECLARE_VARIABLES();
GLint retval = 0;
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
__indirect_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 *
__indirect_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 *) __glXGetString(dpy, gc->majorOpcode, 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
__indirect_glIsEnabled(GLenum cap)
{
__GLX_SINGLE_DECLARE_VARIABLES();
__GLXattribute *state = (__GLXattribute *) (gc->client_state_private);
xGLXSingleReply reply;
GLboolean retval = 0;
GLintptr enable;
if (!dpy)
return 0;
switch (cap) {
case GL_VERTEX_ARRAY:
case GL_NORMAL_ARRAY:
case GL_COLOR_ARRAY:
case GL_INDEX_ARRAY:
case GL_EDGE_FLAG_ARRAY:
case GL_SECONDARY_COLOR_ARRAY:
case GL_FOG_COORD_ARRAY:
retval = __glXGetArrayEnable(state, cap, 0, &enable);
assert(retval);
return (GLboolean) enable;
break;
case GL_TEXTURE_COORD_ARRAY:
retval = __glXGetArrayEnable(state, GL_TEXTURE_COORD_ARRAY,
__glXGetActiveTextureUnit(state), &enable);
assert(retval);
return (GLboolean) enable;
break;
}
__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
__indirect_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:
case GL_NORMAL_ARRAY_POINTER:
case GL_COLOR_ARRAY_POINTER:
case GL_INDEX_ARRAY_POINTER:
case GL_EDGE_FLAG_ARRAY_POINTER:
__glXGetArrayPointer(state, pname - GL_VERTEX_ARRAY_POINTER
+ GL_VERTEX_ARRAY, 0, params);
return;
case GL_TEXTURE_COORD_ARRAY_POINTER:
__glXGetArrayPointer(state, GL_TEXTURE_COORD_ARRAY,
__glXGetActiveTextureUnit(state), params);
return;
case GL_SECONDARY_COLOR_ARRAY_POINTER:
case GL_FOG_COORD_ARRAY_POINTER:
__glXGetArrayPointer(state, pname - GL_FOG_COORD_ARRAY_POINTER
+ GL_FOG_COORD_ARRAY, 0, params);
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;
}
}
/**
* This was previously auto-generated, but we need to special-case
* how we handle writing into the 'residences' buffer when n%4!=0.
*/
#define X_GLsop_AreTexturesResident 143
GLboolean
__indirect_glAreTexturesResident(GLsizei n, const GLuint * textures,
GLboolean * residences)
{
__GLXcontext *const gc = __glXGetCurrentContext();
Display *const dpy = gc->currentDpy;
GLboolean retval = (GLboolean) 0;
const GLuint cmdlen = 4 + __GLX_PAD((n * 4));
if (__builtin_expect((n >= 0) && (dpy != NULL), 1)) {
#ifdef USE_XCB
xcb_connection_t *c = XGetXCBConnection(dpy);
(void) __glXFlushRenderBuffer(gc, gc->pc);
xcb_glx_are_textures_resident_reply_t *reply =
xcb_glx_are_textures_resident_reply(c,
xcb_glx_are_textures_resident
(c, gc->currentContextTag, n,
textures), NULL);
(void) memcpy(residences, xcb_glx_are_textures_resident_data(reply),
xcb_glx_are_textures_resident_data_length(reply) *
sizeof(GLboolean));
retval = reply->ret_val;
free(reply);
#else
GLubyte const *pc =
__glXSetupSingleRequest(gc, X_GLsop_AreTexturesResident, cmdlen);
(void) memcpy((void *) (pc + 0), (void *) (&n), 4);
(void) memcpy((void *) (pc + 4), (void *) (textures), (n * 4));
if (n & 3) {
/* n is not a multiple of four.
* When reply_is_always_array is TRUE, __glXReadReply() will
* put a multiple of four bytes into the dest buffer. If the
* caller's buffer is not a multiple of four in size, we'll write
* out of bounds. So use a temporary buffer that's a few bytes
* larger.
*/
GLboolean *res4 = malloc((n + 3) & ~3);
retval = (GLboolean) __glXReadReply(dpy, 1, res4, GL_TRUE);
memcpy(residences, res4, n);
free(res4);
}
else {
retval = (GLboolean) __glXReadReply(dpy, 1, residences, GL_TRUE);
}
UnlockDisplay(dpy);
SyncHandle();
#endif /* USE_XCB */
}
return retval;
}
/**
* This was previously auto-generated, but we need to special-case
* how we handle writing into the 'residences' buffer when n%4!=0.
*/
#define X_GLvop_AreTexturesResidentEXT 11
GLboolean
glAreTexturesResidentEXT(GLsizei n, const GLuint * textures,
GLboolean * residences)
{
__GLXcontext *const gc = __glXGetCurrentContext();
if (gc->isDirect) {
return CALL_AreTexturesResident(GET_DISPATCH(),
(n, textures, residences));
}
else {
__GLXcontext *const gc = __glXGetCurrentContext();
Display *const dpy = gc->currentDpy;
GLboolean retval = (GLboolean) 0;
const GLuint cmdlen = 4 + __GLX_PAD((n * 4));
if (__builtin_expect((n >= 0) && (dpy != NULL), 1)) {
GLubyte const *pc =
__glXSetupVendorRequest(gc, X_GLXVendorPrivateWithReply,
X_GLvop_AreTexturesResidentEXT,
cmdlen);
(void) memcpy((void *) (pc + 0), (void *) (&n), 4);
(void) memcpy((void *) (pc + 4), (void *) (textures), (n * 4));
if (n & 3) {
/* see comments in __indirect_glAreTexturesResident() */
GLboolean *res4 = malloc((n + 3) & ~3);
retval = (GLboolean) __glXReadReply(dpy, 1, res4, GL_TRUE);
memcpy(residences, res4, n);
free(res4);
}
else {
retval = (GLboolean) __glXReadReply(dpy, 1, residences, GL_TRUE);
}
UnlockDisplay(dpy);
SyncHandle();
}
return retval;
}
}