evael.renderer.graphics_buffer source code

1 module evael.renderer.graphics_buffer;
2 
3 import evael.renderer.enums.buffer_type;
4 
5 import evael.lib.memory;
6 
7 alias VertexBuffer = GraphicsBuffer!(BufferType.Vertex);
8 alias IndexBuffer = GraphicsBuffer!(BufferType.Index);
9 alias UniformBuffer = GraphicsBuffer!(BufferType.Uniform);
10 
11 abstract class GraphicsBuffer(BufferType t) : NoGCClass
12 {
13     protected BufferType m_type = t;
14     protected uint m_internalType;
15     
16     protected uint m_id;
17     protected string m_name;
18     protected size_t m_size;
19 
20     /*
21      * Buffer constructor.
22      */
23     @nogc
24     public this(in size_t size)
25     {
26         this.m_size = size;
27     }
28 
29     /*
30      * Buffer destructor.
31      */
32     @nogc
33     public ~this()
34     {
35 
36     }
37 
38     /**
39      * Updates a subset of a buffer object's data store.
40      * Params:
41      *		 offet : offset into the buffer object's data store where data replacement will begin, measured in bytes
42      *		 size : size in bytes of the data store region being replaced
43      *		 data : pointer to the new data that will be copied into the data store
44      */
45     @nogc
46     public abstract void update(in ptrdiff_t offset, in ptrdiff_t size, in void* data) const nothrow;
47 
48     @nogc
49     @property nothrow
50     {
51         public BufferType type() const
52         {
53             return this.m_type;
54         }
55         
56         public uint internalType() const
57         {
58             return this.m_internalType;
59         }
60 
61         public uint id() const
62         {
63             return this.m_id;
64         }
65 
66         public string name() const
67         {
68             return this.m_name;
69         }
70 
71         public size_t size() const
72         {
73             return this.m_size;
74         }
75     }
76 }