1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
|
/*
* SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
* Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
*
* SPDX-License-Identifier: SGI-B-2.0
*/
#include <assert.h>
#include "glxclient.h"
#include "indirect.h"
#include "indirect_vertex_array.h"
/*****************************************************************************/
#if !defined(GLX_USE_APPLEGL) || defined(GLX_USE_APPLE)
static void
do_enable_disable(GLenum array, GLboolean val)
{
struct glx_context *gc = __glXGetCurrentContext();
__GLXattribute *state = (__GLXattribute *) (gc->client_state_private);
unsigned index = 0;
if (array == GL_TEXTURE_COORD_ARRAY) {
index = __glXGetActiveTextureUnit(state);
}
if (!__glXSetArrayEnable(state, array, index, val)) {
__glXSetError(gc, GL_INVALID_ENUM);
}
}
void
__indirect_glEnableClientState(GLenum array)
{
do_enable_disable(array, GL_TRUE);
}
void
__indirect_glDisableClientState(GLenum array)
{
do_enable_disable(array, GL_FALSE);
}
/************************************************************************/
void
__indirect_glPushClientAttrib(GLuint mask)
{
struct glx_context *gc = __glXGetCurrentContext();
__GLXattribute *state = (__GLXattribute *) (gc->client_state_private);
__GLXattribute **spp = gc->attributes.stackPointer, *sp;
if (spp < &gc->attributes.stack[__GL_CLIENT_ATTRIB_STACK_DEPTH]) {
if (!(sp = *spp)) {
sp = malloc(sizeof(__GLXattribute));
if (sp == NULL) {
__glXSetError(gc, GL_OUT_OF_MEMORY);
return;
}
*spp = sp;
}
sp->mask = mask;
gc->attributes.stackPointer = spp + 1;
if (mask & GL_CLIENT_PIXEL_STORE_BIT) {
sp->storePack = state->storePack;
sp->storeUnpack = state->storeUnpack;
}
if (mask & GL_CLIENT_VERTEX_ARRAY_BIT) {
__glXPushArrayState(state);
}
}
else {
__glXSetError(gc, GL_STACK_OVERFLOW);
return;
}
}
void
__indirect_glPopClientAttrib(void)
{
struct glx_context *gc = __glXGetCurrentContext();
__GLXattribute *state = (__GLXattribute *) (gc->client_state_private);
__GLXattribute **spp = gc->attributes.stackPointer, *sp;
GLuint mask;
if (spp > &gc->attributes.stack[0]) {
--spp;
sp = *spp;
assert(sp != 0);
mask = sp->mask;
gc->attributes.stackPointer = spp;
if (mask & GL_CLIENT_PIXEL_STORE_BIT) {
state->storePack = sp->storePack;
state->storeUnpack = sp->storeUnpack;
}
if (mask & GL_CLIENT_VERTEX_ARRAY_BIT) {
__glXPopArrayState(state);
}
sp->mask = 0;
}
else {
__glXSetError(gc, GL_STACK_UNDERFLOW);
return;
}
}
#endif
|
