source: trunk/src/gpu/shader.h @ 1241

Last change on this file since 1241 was 1241, checked in by sam, 9 years ago

gpu: fix a great lot of Direct3D problems, spotted using PIX.

  • Property svn:keywords set to Id
File size: 2.0 KB
Line 
1//
2// Lol Engine
3//
4// Copyright: (c) 2010-2011 Sam Hocevar <sam@hocevar.net>
5//   This program is free software; you can redistribute it and/or
6//   modify it under the terms of the Do What The Fuck You Want To
7//   Public License, Version 2, as published by Sam Hocevar. See
8//   http://sam.zoy.org/projects/COPYING.WTFPL for more details.
9//
10
11//
12// The Shader class
13// ----------------
14//
15
16#if !defined __LOL_SHADER_H__
17#define __LOL_SHADER_H__
18
19#include <stdint.h>
20
21namespace lol
22{
23
24struct ShaderUniform
25{
26    friend class Shader;
27
28public:
29    inline ShaderUniform() : flags(0) {}
30
31private:
32    uintptr_t frag, vert;
33    /* FIXME: do we really need this to indicate which locations are valid? */
34    uint32_t flags;
35};
36
37struct ShaderAttrib
38{
39    friend class Shader;
40    friend class VertexDeclaration;
41
42public:
43    inline ShaderAttrib() : m_flags((uint64_t)0 - 1) {}
44
45private:
46    uint64_t m_flags;
47};
48
49class ShaderData;
50
51class Shader
52{
53public:
54    static Shader *Create(char const *vert, char const *frag);
55    static void Destroy(Shader *shader);
56
57    ShaderAttrib GetAttribLocation(char const *attr, struct VertexUsage usage,
58                                   int index) const;
59
60    ShaderUniform GetUniformLocation(char const *uni) const;
61    void SetUniform(ShaderUniform const &uni, int i);
62    void SetUniform(ShaderUniform const &uni, ivec2 const &v);
63    void SetUniform(ShaderUniform const &uni, ivec3 const &v);
64    void SetUniform(ShaderUniform const &uni, ivec4 const &v);
65    void SetUniform(ShaderUniform const &uni, float f);
66    void SetUniform(ShaderUniform const &uni, vec2 const &v);
67    void SetUniform(ShaderUniform const &uni, vec3 const &v);
68    void SetUniform(ShaderUniform const &uni, vec4 const &v);
69    void SetUniform(ShaderUniform const &uni, mat4 const &m);
70
71    void Bind() const;
72    void Unbind() const;
73
74protected:
75    Shader(char const *vert, char const *frag);
76    ~Shader();
77
78private:
79    ShaderData *data;
80};
81
82} /* namespace lol */
83
84#endif // __LOL_SHADER_H__
85
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