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/*
* (C) Copyright IBM Corporation 2005
* 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, sub license,
* 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 and this permission notice (including the next
* paragraph) 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 NON-INFRINGEMENT. IN NO EVENT SHALL
* IBM,
* AND/OR THEIR SUPPLIERS 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.
*/
#include <inttypes.h>
#include <GL/gl.h>
#include "indirect.h"
#include "glxclient.h"
#include "indirect_vertex_array.h"
#include <GL/glxproto.h>
static void
do_vertex_attrib_enable( GLuint index, GLboolean val )
{
__GLXcontext *gc = __glXGetCurrentContext();
__GLXattribute * state = (__GLXattribute *)(gc->client_state_private);
if ( ! __glXSetArrayEnable( state, GL_VERTEX_ATTRIB_ARRAY_POINTER_ARB,
index, val ) ) {
__glXSetError(gc, GL_INVALID_ENUM);
}
}
void __indirect_glEnableVertexAttribArrayARB( GLuint index )
{
do_vertex_attrib_enable( index, GL_TRUE );
}
void __indirect_glDisableVertexAttribArrayARB( GLuint index )
{
do_vertex_attrib_enable( index, GL_FALSE );
}
static void
get_parameter( unsigned opcode, unsigned size, GLenum target, GLuint index,
void * params )
{
__GLXcontext * const gc = __glXGetCurrentContext();
Display * const dpy = gc->currentDpy;
const GLuint cmdlen = 12;
if (__builtin_expect(dpy != NULL, 1)) {
GLubyte const * pc = __glXSetupVendorRequest(gc,
X_GLXVendorPrivateWithReply,
opcode, cmdlen);
*((GLenum *)(pc + 0)) = target;
*((GLuint *)(pc + 4)) = index;
*((GLuint *)(pc + 8)) = 0;
(void) __glXReadReply(dpy, size, params, GL_FALSE);
UnlockDisplay(dpy); SyncHandle();
}
return;
}
void __indirect_glGetProgramEnvParameterfvARB( GLenum target, GLuint index,
GLfloat * params )
{
get_parameter( 1296, 4, target, index, params );
}
void __indirect_glGetProgramEnvParameterdvARB( GLenum target, GLuint index,
GLdouble * params )
{
get_parameter( 1297, 8, target, index, params );
}
void __indirect_glGetProgramLocalParameterfvARB( GLenum target, GLuint index,
GLfloat * params )
{
get_parameter( 1305, 4, target, index, params );
}
void __indirect_glGetProgramLocalParameterdvARB( GLenum target, GLuint index,
GLdouble * params )
{
get_parameter( 1306, 8, target, index, params );
}
void __indirect_glGetVertexAttribPointervNV( GLuint index, GLenum pname,
GLvoid ** pointer )
{
__GLXcontext * const gc = __glXGetCurrentContext();
__GLXattribute * state = (__GLXattribute *)(gc->client_state_private);
if ( pname != GL_VERTEX_ATTRIB_ARRAY_POINTER_ARB ) {
__glXSetError( gc, GL_INVALID_ENUM );
}
if ( ! __glXGetArrayPointer( state, GL_VERTEX_ATTRIB_ARRAY_POINTER_ARB,
index, pointer ) ) {
__glXSetError( gc, GL_INVALID_VALUE );
}
}
/**
* Get the selected attribute from the vertex array state vector.
*
* \returns
* On success \c GL_TRUE is returned. Otherwise, \c GL_FALSE is returned.
*/
static GLboolean
get_attrib_array_data( __GLXattribute * state, GLuint index, GLenum cap,
GLintptr * data )
{
GLboolean retval = GL_FALSE;
const GLenum attrib = GL_VERTEX_ATTRIB_ARRAY_POINTER_ARB;
switch( cap ) {
case GL_VERTEX_ATTRIB_ARRAY_ENABLED_ARB:
retval = __glXGetArrayEnable( state, attrib, index, data );
break;
case GL_VERTEX_ATTRIB_ARRAY_SIZE_ARB:
retval = __glXGetArraySize( state, attrib, index, data );
break;
case GL_VERTEX_ATTRIB_ARRAY_STRIDE_ARB:
retval = __glXGetArrayStride( state, attrib, index, data );
break;
case GL_VERTEX_ATTRIB_ARRAY_TYPE_ARB:
retval = __glXGetArrayType( state, attrib, index, data );
break;
case GL_VERTEX_ATTRIB_ARRAY_NORMALIZED_ARB:
retval = __glXGetArrayNormalized( state, attrib, index, data );
break;
}
return retval;
}
static void get_vertex_attrib( __GLXcontext * gc, unsigned vop,
GLuint index, GLenum pname,
xReply * reply )
{
Display * const dpy = gc->currentDpy;
GLubyte * const pc = __glXSetupVendorRequest(gc,
X_GLXVendorPrivateWithReply,
vop, 8);
*((uint32_t *)(pc + 0)) = index;
*((uint32_t *)(pc + 4)) = pname;
(void) _XReply( dpy, reply, 0, False );
}
void __indirect_glGetVertexAttribivARB( GLuint index, GLenum pname,
GLint * params )
{
__GLXcontext * const gc = __glXGetCurrentContext();
Display * const dpy = gc->currentDpy;
__GLXattribute * state = (__GLXattribute *)(gc->client_state_private);
xGLXSingleReply reply;
get_vertex_attrib( gc, 1303, index, pname, (xReply *) & reply );
if ( reply.size != 0 ) {
GLintptr data;
if ( get_attrib_array_data( state, index, pname, & data ) ) {
*params = (GLint) data;
}
else {
if (reply.size == 1) {
*params = (GLint) reply.pad3;
}
else {
_XRead(dpy, (void *) params, 4 * reply.size);
}
}
}
UnlockDisplay(dpy);
SyncHandle();
}
void __indirect_glGetVertexAttribfvARB( GLuint index, GLenum pname,
GLfloat * params )
{
__GLXcontext * const gc = __glXGetCurrentContext();
Display * const dpy = gc->currentDpy;
__GLXattribute * state = (__GLXattribute *)(gc->client_state_private);
xGLXSingleReply reply;
get_vertex_attrib( gc, 1302, index, pname, (xReply *) & reply );
if ( reply.size != 0 ) {
GLintptr data;
if ( get_attrib_array_data( state, index, pname, & data ) ) {
*params = (GLfloat) data;
}
else {
if (reply.size == 1) {
(void) memcpy( params, & reply.pad3, sizeof( GLfloat ) );
}
else {
_XRead(dpy, (void *) params, 4 * reply.size);
}
}
}
UnlockDisplay(dpy);
SyncHandle();
}
void __indirect_glGetVertexAttribdvARB( GLuint index, GLenum pname,
GLdouble * params )
{
__GLXcontext * const gc = __glXGetCurrentContext();
Display * const dpy = gc->currentDpy;
__GLXattribute * state = (__GLXattribute *)(gc->client_state_private);
xGLXSingleReply reply;
get_vertex_attrib( gc, 1301, index, pname, (xReply *) & reply );
if ( reply.size != 0 ) {
GLintptr data;
if ( get_attrib_array_data( state, index, pname, & data ) ) {
*params = (GLdouble) data;
}
else {
if (reply.size == 1) {
(void) memcpy( params, & reply.pad3, sizeof( GLdouble ) );
}
else {
_XRead(dpy, (void *) params, 8 * reply.size);
}
}
}
UnlockDisplay(dpy);
SyncHandle();
}
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