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
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
|
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using All11 = OpenTK.Graphics.ES11.All;
using All20 = OpenTK.Graphics.ES20.All;
namespace Microsoft.Xna.Framework.Graphics
{
public static class GraphicsExtensions
{
public static All11 OpenGL11(this CullMode cull)
{
switch (cull)
{
case CullMode.CullClockwiseFace:
return All11.Cw;
case CullMode.CullCounterClockwiseFace:
return All11.Ccw;
default:
throw new NotImplementedException();
}
}
public static int OpenGLNumberOfElements(this VertexElementFormat elementFormat)
{
switch (elementFormat)
{
case VertexElementFormat.Single:
throw new NotImplementedException();
case VertexElementFormat.Vector2:
return 2;
case VertexElementFormat.Vector3:
return 3;
case VertexElementFormat.Vector4:
return 4;
case VertexElementFormat.Color:
return 4;
case VertexElementFormat.Byte4:
return 4;
case VertexElementFormat.Short2:
return 2;
case VertexElementFormat.Short4:
return 2;
case VertexElementFormat.NormalizedShort2:
return 2;
case VertexElementFormat.NormalizedShort4:
return 4;
case VertexElementFormat.HalfVector2:
return 2;
case VertexElementFormat.HalfVector4:
return 4;
}
throw new NotImplementedException();
}
public static All11 OpenGLValueType(this VertexElementFormat elementFormat)
{
switch (elementFormat)
{
case VertexElementFormat.Single:
throw new NotImplementedException();
case VertexElementFormat.Vector2:
return All11.Float;
case VertexElementFormat.Vector3:
return All11.Float;
case VertexElementFormat.Vector4:
return All11.Float;
case VertexElementFormat.Color:
return All11.UnsignedByte;
case VertexElementFormat.Byte4:
return All11.UnsignedByte;
case VertexElementFormat.Short2:
return All11.UnsignedShort;
case VertexElementFormat.Short4:
return All11.UnsignedShort;
case VertexElementFormat.NormalizedShort2:
return All11.UnsignedShort;
case VertexElementFormat.NormalizedShort4:
return All11.UnsignedShort;
case VertexElementFormat.HalfVector2:
return All11.Float;
case VertexElementFormat.HalfVector4:
return All11.Float;
}
throw new NotImplementedException();
}
public static int Size(this SurfaceFormat surfaceFormat)
{
switch (surfaceFormat)
{
case SurfaceFormat.Color:
return 0;
case SurfaceFormat.Dxt3:
return 4;
case SurfaceFormat.Bgra4444:
return 2;
case SurfaceFormat.Bgra5551:
return 2;
case SurfaceFormat.Alpha8:
return 1;
default:
throw new NotImplementedException();
}
}
public static int GetTypeSize(this VertexElementFormat elementFormat)
{
switch (elementFormat)
{
case VertexElementFormat.Single:
return 4;
case VertexElementFormat.Vector2:
return 8;
case VertexElementFormat.Vector3:
return 12;
case VertexElementFormat.Vector4:
return 0x10;
case VertexElementFormat.Color:
return 4;
case VertexElementFormat.Byte4:
return 4;
case VertexElementFormat.Short2:
return 4;
case VertexElementFormat.Short4:
return 8;
case VertexElementFormat.NormalizedShort2:
return 4;
case VertexElementFormat.NormalizedShort4:
return 8;
case VertexElementFormat.HalfVector2:
return 4;
case VertexElementFormat.HalfVector4:
return 8;
}
return 0;
}
}
}
|
