bindbc.opengl.bind.gl40 source code

1 
2 //          Copyright 2018 - 2021 Michael D. Parker
3 // Distributed under the Boost Software License, Version 1.0.
4 //    (See accompanying file LICENSE_1_0.txt or copy at
5 //          http://www.boost.org/LICENSE_1_0.txt)
6 
7 module bindbc.opengl.bind.gl40;
8 
9 import bindbc.opengl.config;
10 static if(glSupport >= GLSupport.gl40) {
11     import bindbc.loader : SharedLib;
12     import bindbc.opengl.context;
13     import bindbc.opengl.bind.types;
14 
15     enum : uint {
16         GL_SAMPLE_SHADING                 = 0x8C36,
17         GL_MIN_SAMPLE_SHADING_VALUE       = 0x8C37,
18         GL_MIN_PROGRAM_TEXTURE_GATHER_OFFSET = 0x8E5E,
19         GL_MAX_PROGRAM_TEXTURE_GATHER_OFFSET = 0x8E5F,
20         GL_TEXTURE_CUBE_MAP_ARRAY         = 0x9009,
21         GL_TEXTURE_BINDING_CUBE_MAP_ARRAY = 0x900A,
22         GL_PROXY_TEXTURE_CUBE_MAP_ARRAY   = 0x900B,
23         GL_SAMPLER_CUBE_MAP_ARRAY         = 0x900C,
24         GL_SAMPLER_CUBE_MAP_ARRAY_SHADOW  = 0x900D,
25         GL_INT_SAMPLER_CUBE_MAP_ARRAY     = 0x900E,
26         GL_UNSIGNED_INT_SAMPLER_CUBE_MAP_ARRAY = 0x900F,
27     }
28 
29     extern(System) @nogc nothrow {
30         alias pglBlendEquationi = void function(GLuint,GLenum);
31         alias pglBlendEquationSeparatei = void function(GLuint,GLenum,GLenum);
32         alias pglBlendFunci = void function(GLuint,GLenum,GLenum);
33         alias pglBlendFuncSeparatei = void function(GLuint,GLenum,GLenum,GLenum,GLenum);
34         alias pglMinSampleShading = void function(GLclampf);
35     }
36 
37     __gshared {
38         pglBlendEquationi glBlendEquationi;
39         pglBlendEquationSeparatei glBlendEquationSeparatei;
40         pglBlendFunci glBlendFunci;
41         pglBlendFuncSeparatei glBlendFuncSeparatei;
42         pglMinSampleShading glMinSampleShading;
43     }
44 
45     package(bindbc.opengl) @nogc nothrow
46     bool loadGL40(SharedLib lib, GLSupport contextVersion)
47     {
48         import bindbc.opengl.bind.arb : loadARB40;
49 
50         if(contextVersion >= GLSupport.gl40) {
51             lib.bindGLSymbol(cast(void**)&glMinSampleShading, "glMinSampleShading");
52             lib.bindGLSymbol(cast(void**)&glBlendEquationi, "glBlendEquationi");
53             lib.bindGLSymbol(cast(void**)&glBlendEquationSeparatei, "glBlendEquationSeparatei");
54             lib.bindGLSymbol(cast(void**)&glBlendFunci, "glBlendFunci");
55             lib.bindGLSymbol(cast(void**)&glBlendFuncSeparatei, "glBlendFuncSeparatei");
56 
57             if(errorCountGL() == 0 && loadARB40(lib, contextVersion)) return true;
58         }
59         return false;
60     }
61 }