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
|
/* Copyright (c) 2001, Stanford University
* All rights reserved
*
* See the file LICENSE.txt for information on redistributing this software.
*/
#include "packer.h"
#include "cr_opcodes.h"
#include "cr_version.h"
#ifdef CR_ARB_point_parameters
static GLboolean __handlePointDataf( GLenum pname, const GLfloat *params )
{
CR_GET_PACKER_CONTEXT(pc);
int params_length = 0;
int packet_length = 2 * sizeof( int ) + sizeof( pname );
unsigned char *data_ptr;
switch( pname )
{
case GL_POINT_SIZE_MIN_ARB:
case GL_POINT_SIZE_MAX_ARB:
case GL_POINT_FADE_THRESHOLD_SIZE_ARB:
params_length = sizeof( *params );
break;
case GL_POINT_DISTANCE_ATTENUATION_ARB:
params_length = 3 * sizeof( *params );
break;
default:
{
char msg[100];
sprintf(msg, "Invalid pname in PointParameter: %d", (int) pname );
__PackError( __LINE__, __FILE__, GL_INVALID_ENUM, msg);
}
return GL_FALSE;
}
packet_length += params_length;
CR_GET_BUFFERED_POINTER(pc, packet_length );
WRITE_DATA( 0, GLint, packet_length );
WRITE_DATA( 4, GLenum, CR_POINTPARAMETERFVARB_EXTEND_OPCODE );
WRITE_DATA( 8, GLenum, pname );
WRITE_DATA( 12, GLfloat, params[0] );
if (packet_length > 16)
{
WRITE_DATA( 16, GLfloat, params[1] );
WRITE_DATA( 20, GLfloat, params[2] );
}
return GL_TRUE;
}
void PACK_APIENTRY crPackPointParameterfvARB(GLenum pname, const GLfloat *params)
{
CR_GET_PACKER_CONTEXT(pc);
if (__handlePointDataf( pname, params ))
WRITE_OPCODE( pc, CR_EXTEND_OPCODE );
CR_UNLOCK_PACKER_CONTEXT(pc);
}
#endif
static GLboolean __handlePointDatai( GLenum pname, const GLint *params )
{
CR_GET_PACKER_CONTEXT(pc);
int params_length = 0;
int packet_length = 2 * sizeof( int ) + sizeof( pname );
unsigned char *data_ptr;
switch( pname )
{
case GL_POINT_SIZE_MIN_ARB:
case GL_POINT_SIZE_MAX_ARB:
case GL_POINT_FADE_THRESHOLD_SIZE_ARB:
params_length = sizeof( *params );
break;
case GL_POINT_DISTANCE_ATTENUATION_ARB:
params_length = 3 * sizeof( *params );
break;
default:
{
char msg[100];
sprintf(msg, "Invalid pname in PointParameter: %d", (int) pname );
__PackError( __LINE__, __FILE__, GL_INVALID_ENUM, msg);
}
return GL_FALSE;
}
packet_length += params_length;
CR_GET_BUFFERED_POINTER(pc, packet_length );
WRITE_DATA( 0, GLint, packet_length );
WRITE_DATA( 4, GLenum, CR_POINTPARAMETERIV_EXTEND_OPCODE );
WRITE_DATA( 8, GLenum, pname );
WRITE_DATA( 12, GLint, params[0] );
if (packet_length > 16)
{
WRITE_DATA( 16, GLint, params[1] );
WRITE_DATA( 20, GLint, params[2] );
}
return GL_TRUE;
}
void PACK_APIENTRY crPackPointParameteriv(GLenum pname, const GLint *params)
{
CR_GET_PACKER_CONTEXT(pc);
if (__handlePointDatai( pname, params ))
WRITE_OPCODE( pc, CR_EXTEND_OPCODE );
CR_UNLOCK_PACKER_CONTEXT(pc);
}
|
