evael.graphics.Vertex source code

1 module evael.graphics.Vertex;
2 
3 import std.conv : to;
4 
5 import evael.graphics.GL;
6 
7 import evael.utils.Math;
8 import evael.utils.Color;
9 
10 alias Vertex2PositionColor = VertexPositionColor!2;
11 alias Vertex2PositionColorTexture = VertexPositionColorTexture!2;
12 alias Vertex2PositionColorNormal = VertexPositionColorNormal!2;
13 
14 alias Vertex3PositionColor = VertexPositionColor!3;
15 alias Vertex3PositionColorTexture = VertexPositionColorTexture!3;
16 alias Vertex3PositionColorNormal = VertexPositionColorNormal!3;
17 
18 struct ShaderAttribute
19 {
20 	int layoutIndex;
21 	int type;
22 	int size;
23 	bool normalized;
24 }
25 
26 struct VertexPositionColor(int positionCount)
27 {
28 	// Name in shader, type of data, count of data, normalized ?
29 	@ShaderAttribute(0, GLType.Float, positionCount, false)
30 	public Vector!(float, positionCount) position;
31 	
32 	@ShaderAttribute(1, GLType.UByte, 4, true)
33 	public Color color;
34 }
35 
36 struct VertexPositionColorTexture(int positionCount)
37 {
38 	@ShaderAttribute(0, GLType.Float, positionCount, false)
39 	public Vector!(float, positionCount) position;
40 
41 	@ShaderAttribute(1, GLType.UByte, 4, true)
42 	public Color color;
43 
44 	@ShaderAttribute(2, GLType.Float, 2, false)
45 	public vec2 textureCoordinate;
46 }
47 
48 struct VertexPositionColorNormal(int positionCount)
49 {
50 	@ShaderAttribute(0, GLType.Float, positionCount, false)
51 	public Vector!(float, positionCount) position;
52 
53 	@ShaderAttribute(1, GLType.UByte, 4, true)
54 	public Color color;
55 
56 	@ShaderAttribute(2, GLType.Float, 3, true)
57 	public vec3 normal;
58 }
59 
60 struct VertexPositionColorNormalTexture
61 {
62 	@ShaderAttribute(0, GLType.Float, 3, false)
63 	public vec3 position;
64 
65 	@ShaderAttribute(1, GLType.UByte, 4, true)
66 	public Color color;
67 
68 	@ShaderAttribute(2, GLType.Float, 3, true)
69 	public vec3 normal;
70 
71 	@ShaderAttribute(3, GLType.Float, 2, false)
72 	public vec2 textureCoordinate;
73 }
74 
75 struct TerrainVertex
76 {
77 	@ShaderAttribute(0, GLType.Float, 3, false)
78 	public vec3 position;
79 
80 	@ShaderAttribute(1, GLType.UByte, 4, true)
81 	public Color color;
82 
83 	@ShaderAttribute(2, GLType.Float, 3, true)
84 	public vec3 normal;
85 
86 	@ShaderAttribute(3, GLType.Float, 2, false)
87 	public vec2 textureCoordinate;
88 
89 	@ShaderAttribute(4, GLType.Float, 3, true)
90 	public vec3 tangent;
91 	
92 	@ShaderAttribute(5, GLType.Float, 3, true)
93 	public vec3 bitangent;
94 
95 	@ShaderAttribute(6, GLType.Float, 1, false)
96 	public float textureId;
97 
98 	@ShaderAttribute(7, GLType.Float, 1, false)
99 	public float blendingTextureId;
100 }
101 
102 struct IqmVertex
103 {
104     @ShaderAttribute(0, GLType.Float, 3, false)
105     public vec3 position;
106 
107     @ShaderAttribute(1, GLType.UByte, 4, true)
108     public Color color;
109 
110     @ShaderAttribute(2, GLType.Float, 3, true)
111     public vec3 normal;
112 
113     @ShaderAttribute(3, GLType.Float, 2, false)
114     public vec2 textureCoordinate;
115 
116     @ShaderAttribute(4, GLType.UByte, 4, false)
117     public ubvec4 blendIndex;
118 
119     @ShaderAttribute(5, GLType.UByte, 4, true)
120     public ubvec4 blendWeight;
121 }
122 
123 struct Instancing(int layoutIndex)
124 {
125 	@ShaderAttribute(layoutIndex, GLType.Float, 4, false)
126     public vec4 row1;
127 
128     @ShaderAttribute(layoutIndex + 1, GLType.Float, 4, false)
129     public vec4 row2;
130 
131     @ShaderAttribute(layoutIndex + 2, GLType.Float, 4, false)
132     public vec4 row3;
133 
134     @ShaderAttribute(layoutIndex + 3, GLType.Float, 4, false)
135     public vec4 row4;
136 }