evael.renderer.gl.gl_enum_converter source code

1 module evael.renderer.gl.gl_enum_converter;
2 
3 import evael.renderer.enums;
4 import bindbc.opengl;
5 
6 static class GLEnumConverter
7 {
8     @nogc
9     public static GLenum bufferType(BufferType type) nothrow
10     {
11         final switch(type)
12         {
13             case BufferType.Vertex:  return GL_ARRAY_BUFFER;
14             case BufferType.Index:   return GL_ELEMENT_ARRAY_BUFFER;
15             case BufferType.Uniform: return GL_UNIFORM_BUFFER;
16         }
17     }
18 
19     @nogc
20     public static GLenum shaderType(ShaderType type) nothrow
21     {
22         final switch(type)
23         {
24             case ShaderType.Vertex:   return GL_VERTEX_SHADER;
25             case ShaderType.Fragment: return GL_FRAGMENT_SHADER;
26             case ShaderType.Geometry: return GL_GEOMETRY_SHADER;
27         }
28     }
29 
30     @nogc
31     public static GLenum attributeType(AttributeType type) nothrow
32     {
33         final switch(type)
34         {
35             case AttributeType.Float: return GL_FLOAT;
36             case AttributeType.UByte: return GL_UNSIGNED_BYTE;
37         }
38     }
39 
40     @nogc
41     public static GLenum blendFactor(BlendFactor blendFactor) nothrow
42     {
43         final switch(blendFactor)
44         {
45             case BlendFactor.Zero                    : return GL_ZERO;
46             case BlendFactor.One                     : return GL_ONE;
47             case BlendFactor.SourceColor             : return GL_SRC_COLOR;
48             case BlendFactor.InverseSourceColor      : return GL_ONE_MINUS_SRC_COLOR;
49             case BlendFactor.DestinationColor        : return GL_DST_COLOR;
50             case BlendFactor.InverseDestinationColor : return GL_ONE_MINUS_DST_COLOR;
51             case BlendFactor.SourceAlpha             : return GL_SRC_ALPHA;
52             case BlendFactor.InverseSourceAlpha      : return GL_ONE_MINUS_SRC_ALPHA;
53             case BlendFactor.DestinationAlpha        : return GL_DST_ALPHA;
54             case BlendFactor.InverseDestinationAlpha : return GL_ONE_MINUS_DST_ALPHA;
55         }
56     }
57 
58     @nogc
59     public static GLenum blendFunction(BlendFunction blendFunction) nothrow
60     {
61         final switch(blendFunction)
62         {
63             case BlendFunction.Add             : return GL_FUNC_ADD;
64             case BlendFunction.Subtract        : return GL_FUNC_SUBTRACT;
65             case BlendFunction.ReverseSubtract : return GL_FUNC_REVERSE_SUBTRACT;
66             case BlendFunction.Minimum         : return GL_MIN;
67             case BlendFunction.Maximum         : return GL_MAX;
68         }
69     }
70 }