Mercurial > repos > blastem

annotate nuklear_ui/nuklear_sdl_gles2.h @ 1862:e07fc3d473b2

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Basic UI navigation with controller
author Michael Pavone <pavone@retrodev.com>
date Wed, 08 May 2019 23:44:40 -0700
parents 56a1171e29b9
children 579fe3f6fe76
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1474
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1 /*
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
2 * Nuklear - 1.40.8 - public domain
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
3 * no warrenty implied; use at your own risk.
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
4 * authored from 2015-2017 by Micha Mettke
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
5 * emscripten from 2016 by Chris Willcocks
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
6 * OpenGL ES 2.0 from 2017 by Dmitry Hrabrov a.k.a. DeXPeriX
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
7 */
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
8 /*
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
9 * ==============================================================
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
10 *
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
11 * API
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
12 *
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
13 * ===============================================================
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
14 */
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
15 #ifndef NK_SDL_GLES2_H_
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
16 #define NK_SDL_GLES2_H_
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
17
1496
b82a44729d7c Fix GL include issue for 32-bit builds
Michael Pavone <pavone@retrodev.com>
parents: 1474
diff changeset
18 #include <SDL.h>
b82a44729d7c Fix GL include issue for 32-bit builds
Michael Pavone <pavone@retrodev.com>
parents: 1474
diff changeset
19 #ifndef DISABLE_OPENGL
1658
fa9ae059e4d3 Added support for GLES in addition to desktop GL
Mike Pavone <pavone@retrodev.com>
parents: 1538
diff changeset
20 #ifdef USE_GLES
fa9ae059e4d3 Added support for GLES in addition to desktop GL
Mike Pavone <pavone@retrodev.com>
parents: 1538
diff changeset
21 #include <SDL_opengles2.h>
fa9ae059e4d3 Added support for GLES in addition to desktop GL
Mike Pavone <pavone@retrodev.com>
parents: 1538
diff changeset
22 #else
1496
b82a44729d7c Fix GL include issue for 32-bit builds
Michael Pavone <pavone@retrodev.com>
parents: 1474
diff changeset
23 #include <GL/glew.h>
b82a44729d7c Fix GL include issue for 32-bit builds
Michael Pavone <pavone@retrodev.com>
parents: 1474
diff changeset
24 #endif
1658
fa9ae059e4d3 Added support for GLES in addition to desktop GL
Mike Pavone <pavone@retrodev.com>
parents: 1538
diff changeset
25 #endif
1474
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
26
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
27
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
28 NK_API struct nk_context* nk_sdl_init(SDL_Window *win);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
29 NK_API void nk_sdl_font_stash_begin(struct nk_font_atlas **atlas);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
30 NK_API void nk_sdl_font_stash_end(void);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
31 NK_API int nk_sdl_handle_event(SDL_Event *evt);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
32 NK_API void nk_sdl_render(enum nk_anti_aliasing , int max_vertex_buffer, int max_element_buffer);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
33 NK_API void nk_sdl_shutdown(void);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
34 NK_API void nk_sdl_device_destroy(void);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
35 NK_API void nk_sdl_device_create(void);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
36
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
37 #endif
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
38
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
39 /*
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
40 * ==============================================================
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
41 *
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
42 * IMPLEMENTATION
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
43 *
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
44 * ===============================================================
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
45 */
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
46 #ifdef NK_SDL_GLES2_IMPLEMENTATION
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
47
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
48 #include <string.h>
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
49
1825
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled
Michael Pavone <pavone@retrodev.com>
parents: 1658
diff changeset
50 #ifndef DISABLE_OPENGL
1474
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
51 struct nk_sdl_device {
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
52 struct nk_buffer cmds;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
53 struct nk_draw_null_texture null;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
54 GLuint vbo, ebo;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
55 GLuint prog;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
56 GLuint vert_shdr;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
57 GLuint frag_shdr;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
58 GLint attrib_pos;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
59 GLint attrib_uv;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
60 GLint attrib_col;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
61 GLint uniform_tex;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
62 GLint uniform_proj;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
63 GLuint font_tex;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
64 GLsizei vs;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
65 size_t vp, vt, vc;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
66 };
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
67
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
68 struct nk_sdl_vertex {
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
69 GLfloat position[2];
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
70 GLfloat uv[2];
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
71 nk_byte col[4];
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
72 };
1825
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled
Michael Pavone <pavone@retrodev.com>
parents: 1658
diff changeset
73 #endif
1474
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
74
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
75 static struct nk_sdl {
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
76 SDL_Window *win;
1825
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled
Michael Pavone <pavone@retrodev.com>
parents: 1658
diff changeset
77 #ifndef DISABLE_OPENGL
1474
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
78 struct nk_sdl_device ogl;
1825
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled
Michael Pavone <pavone@retrodev.com>
parents: 1658
diff changeset
79 #endif
1474
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
80 struct nk_context ctx;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
81 struct nk_font_atlas atlas;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
82 } sdl;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
83
1538
b581663c42ec Don't try to use GLES specific stuff unless we're actualy on a GLES platform
Michael Pavone <pavone@retrodev.com>
parents: 1496
diff changeset
84 #ifdef USE_GLES
1474
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
85 #define NK_SHADER_VERSION "#version 100\n"
1538
b581663c42ec Don't try to use GLES specific stuff unless we're actualy on a GLES platform
Michael Pavone <pavone@retrodev.com>
parents: 1496
diff changeset
86 #define DECLARE_PRECISION "precision mediump float;\n"
b581663c42ec Don't try to use GLES specific stuff unless we're actualy on a GLES platform
Michael Pavone <pavone@retrodev.com>
parents: 1496
diff changeset
87 #else
b581663c42ec Don't try to use GLES specific stuff unless we're actualy on a GLES platform
Michael Pavone <pavone@retrodev.com>
parents: 1496
diff changeset
88 #define NK_SHADER_VERSION "#version 110\n"
b581663c42ec Don't try to use GLES specific stuff unless we're actualy on a GLES platform
Michael Pavone <pavone@retrodev.com>
parents: 1496
diff changeset
89 #define DECLARE_PRECISION
b581663c42ec Don't try to use GLES specific stuff unless we're actualy on a GLES platform
Michael Pavone <pavone@retrodev.com>
parents: 1496
diff changeset
90 #endif
1474
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
91
1825
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled
Michael Pavone <pavone@retrodev.com>
parents: 1658
diff changeset
92 #ifndef DISABLE_OPENGL
1474
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
93 NK_API void
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
94 nk_sdl_device_create(void)
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
95 {
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
96 GLint status;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
97 static const GLchar *vertex_shader =
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
98 NK_SHADER_VERSION
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
99 "uniform mat4 ProjMtx;\n"
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
100 "attribute vec2 Position;\n"
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
101 "attribute vec2 TexCoord;\n"
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
102 "attribute vec4 Color;\n"
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
103 "varying vec2 Frag_UV;\n"
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
104 "varying vec4 Frag_Color;\n"
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
105 "void main() {\n"
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
106 " Frag_UV = TexCoord;\n"
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
107 " Frag_Color = Color;\n"
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
108 " gl_Position = ProjMtx * vec4(Position.xy, 0, 1);\n"
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
109 "}\n";
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
110 static const GLchar *fragment_shader =
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
111 NK_SHADER_VERSION
1538
b581663c42ec Don't try to use GLES specific stuff unless we're actualy on a GLES platform
Michael Pavone <pavone@retrodev.com>
parents: 1496
diff changeset
112 DECLARE_PRECISION
1474
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
113 "uniform sampler2D Texture;\n"
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
114 "varying vec2 Frag_UV;\n"
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
115 "varying vec4 Frag_Color;\n"
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
116 "void main(){\n"
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
117 " gl_FragColor = Frag_Color * texture2D(Texture, Frag_UV);\n"
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
118 "}\n";
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
119
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
120 struct nk_sdl_device *dev = &sdl.ogl;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
121
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
122 nk_buffer_init_default(&dev->cmds);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
123 dev->prog = glCreateProgram();
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
124 dev->vert_shdr = glCreateShader(GL_VERTEX_SHADER);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
125 dev->frag_shdr = glCreateShader(GL_FRAGMENT_SHADER);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
126 glShaderSource(dev->vert_shdr, 1, &vertex_shader, 0);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
127 glShaderSource(dev->frag_shdr, 1, &fragment_shader, 0);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
128 glCompileShader(dev->vert_shdr);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
129 glCompileShader(dev->frag_shdr);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
130 glGetShaderiv(dev->vert_shdr, GL_COMPILE_STATUS, &status);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
131 assert(status == GL_TRUE);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
132 glGetShaderiv(dev->frag_shdr, GL_COMPILE_STATUS, &status);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
133 assert(status == GL_TRUE);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
134 glAttachShader(dev->prog, dev->vert_shdr);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
135 glAttachShader(dev->prog, dev->frag_shdr);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
136 glLinkProgram(dev->prog);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
137 glGetProgramiv(dev->prog, GL_LINK_STATUS, &status);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
138 assert(status == GL_TRUE);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
139
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
140
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
141 dev->uniform_tex = glGetUniformLocation(dev->prog, "Texture");
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
142 dev->uniform_proj = glGetUniformLocation(dev->prog, "ProjMtx");
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
143 dev->attrib_pos = glGetAttribLocation(dev->prog, "Position");
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
144 dev->attrib_uv = glGetAttribLocation(dev->prog, "TexCoord");
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
145 dev->attrib_col = glGetAttribLocation(dev->prog, "Color");
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
146 {
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
147 dev->vs = sizeof(struct nk_sdl_vertex);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
148 dev->vp = offsetof(struct nk_sdl_vertex, position);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
149 dev->vt = offsetof(struct nk_sdl_vertex, uv);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
150 dev->vc = offsetof(struct nk_sdl_vertex, col);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
151
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
152 /* Allocate buffers */
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
153 glGenBuffers(1, &dev->vbo);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
154 glGenBuffers(1, &dev->ebo);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
155 }
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
156 glBindTexture(GL_TEXTURE_2D, 0);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
157 glBindBuffer(GL_ARRAY_BUFFER, 0);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
158 glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
159 }
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
160
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
161 NK_INTERN void
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
162 nk_sdl_device_upload_atlas(const void *image, int width, int height)
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
163 {
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
164 struct nk_sdl_device *dev = &sdl.ogl;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
165 glGenTextures(1, &dev->font_tex);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
166 glBindTexture(GL_TEXTURE_2D, dev->font_tex);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
167 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
168 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
169 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, (GLsizei)width, (GLsizei)height, 0,
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
170 GL_RGBA, GL_UNSIGNED_BYTE, image);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
171 }
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
172
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
173 NK_API void
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
174 nk_sdl_device_destroy(void)
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
175 {
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
176 struct nk_sdl_device *dev = &sdl.ogl;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
177 glDetachShader(dev->prog, dev->vert_shdr);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
178 glDetachShader(dev->prog, dev->frag_shdr);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
179 glDeleteShader(dev->vert_shdr);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
180 glDeleteShader(dev->frag_shdr);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
181 glDeleteProgram(dev->prog);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
182 glDeleteTextures(1, &dev->font_tex);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
183 glDeleteBuffers(1, &dev->vbo);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
184 glDeleteBuffers(1, &dev->ebo);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
185 nk_buffer_free(&dev->cmds);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
186 }
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
187
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
188 NK_API void
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
189 nk_sdl_render(enum nk_anti_aliasing AA, int max_vertex_buffer, int max_element_buffer)
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
190 {
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
191 struct nk_sdl_device *dev = &sdl.ogl;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
192 int width, height;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
193 int display_width, display_height;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
194 struct nk_vec2 scale;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
195 GLfloat ortho[4][4] = {
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
196 {2.0f, 0.0f, 0.0f, 0.0f},
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
197 {0.0f,-2.0f, 0.0f, 0.0f},
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
198 {0.0f, 0.0f,-1.0f, 0.0f},
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
199 {-1.0f,1.0f, 0.0f, 1.0f},
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
200 };
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
201 SDL_GetWindowSize(sdl.win, &width, &height);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
202 SDL_GL_GetDrawableSize(sdl.win, &display_width, &display_height);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
203 ortho[0][0] /= (GLfloat)width;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
204 ortho[1][1] /= (GLfloat)height;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
205
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
206 scale.x = (float)display_width/(float)width;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
207 scale.y = (float)display_height/(float)height;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
208
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
209 /* setup global state */
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
210 glViewport(0,0,display_width,display_height);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
211 glEnable(GL_BLEND);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
212 glBlendEquation(GL_FUNC_ADD);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
213 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
214 glDisable(GL_CULL_FACE);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
215 glDisable(GL_DEPTH_TEST);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
216 glEnable(GL_SCISSOR_TEST);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
217 glActiveTexture(GL_TEXTURE0);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
218
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
219 /* setup program */
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
220 glUseProgram(dev->prog);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
221 glUniform1i(dev->uniform_tex, 0);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
222 glUniformMatrix4fv(dev->uniform_proj, 1, GL_FALSE, &ortho[0][0]);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
223 {
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
224 /* convert from command queue into draw list and draw to screen */
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
225 const struct nk_draw_command *cmd;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
226 void *vertices, *elements;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
227 const nk_draw_index *offset = NULL;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
228
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
229 /* Bind buffers */
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
230 glBindBuffer(GL_ARRAY_BUFFER, dev->vbo);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
231 glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, dev->ebo);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
232
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
233 {
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
234 /* buffer setup */
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
235 glEnableVertexAttribArray((GLuint)dev->attrib_pos);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
236 glEnableVertexAttribArray((GLuint)dev->attrib_uv);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
237 glEnableVertexAttribArray((GLuint)dev->attrib_col);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
238
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
239 glVertexAttribPointer((GLuint)dev->attrib_pos, 2, GL_FLOAT, GL_FALSE, dev->vs, (void*)dev->vp);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
240 glVertexAttribPointer((GLuint)dev->attrib_uv, 2, GL_FLOAT, GL_FALSE, dev->vs, (void*)dev->vt);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
241 glVertexAttribPointer((GLuint)dev->attrib_col, 4, GL_UNSIGNED_BYTE, GL_TRUE, dev->vs, (void*)dev->vc);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
242 }
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
243
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
244 glBufferData(GL_ARRAY_BUFFER, max_vertex_buffer, NULL, GL_STREAM_DRAW);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
245 glBufferData(GL_ELEMENT_ARRAY_BUFFER, max_element_buffer, NULL, GL_STREAM_DRAW);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
246
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
247 /* load vertices/elements directly into vertex/element buffer */
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
248 vertices = malloc((size_t)max_vertex_buffer);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
249 elements = malloc((size_t)max_element_buffer);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
250 {
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
251 /* fill convert configuration */
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
252 struct nk_convert_config config;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
253 static const struct nk_draw_vertex_layout_element vertex_layout[] = {
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
254 {NK_VERTEX_POSITION, NK_FORMAT_FLOAT, NK_OFFSETOF(struct nk_sdl_vertex, position)},
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
255 {NK_VERTEX_TEXCOORD, NK_FORMAT_FLOAT, NK_OFFSETOF(struct nk_sdl_vertex, uv)},
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
256 {NK_VERTEX_COLOR, NK_FORMAT_R8G8B8A8, NK_OFFSETOF(struct nk_sdl_vertex, col)},
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
257 {NK_VERTEX_LAYOUT_END}
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
258 };
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
259 NK_MEMSET(&config, 0, sizeof(config));
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
260 config.vertex_layout = vertex_layout;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
261 config.vertex_size = sizeof(struct nk_sdl_vertex);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
262 config.vertex_alignment = NK_ALIGNOF(struct nk_sdl_vertex);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
263 config.null = dev->null;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
264 config.circle_segment_count = 22;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
265 config.curve_segment_count = 22;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
266 config.arc_segment_count = 22;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
267 config.global_alpha = 1.0f;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
268 config.shape_AA = AA;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
269 config.line_AA = AA;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
270
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
271 /* setup buffers to load vertices and elements */
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
272 {struct nk_buffer vbuf, ebuf;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
273 nk_buffer_init_fixed(&vbuf, vertices, (nk_size)max_vertex_buffer);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
274 nk_buffer_init_fixed(&ebuf, elements, (nk_size)max_element_buffer);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
275 nk_convert(&sdl.ctx, &dev->cmds, &vbuf, &ebuf, &config);}
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
276 }
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
277 glBufferSubData(GL_ARRAY_BUFFER, 0, (size_t)max_vertex_buffer, vertices);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
278 glBufferSubData(GL_ELEMENT_ARRAY_BUFFER, 0, (size_t)max_element_buffer, elements);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
279 free(vertices);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
280 free(elements);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
281
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
282 /* iterate over and execute each draw command */
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
283 nk_draw_foreach(cmd, &sdl.ctx, &dev->cmds) {
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
284 if (!cmd->elem_count) continue;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
285 glBindTexture(GL_TEXTURE_2D, (GLuint)cmd->texture.id);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
286 glScissor((GLint)(cmd->clip_rect.x * scale.x),
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
287 (GLint)((height - (GLint)(cmd->clip_rect.y + cmd->clip_rect.h)) * scale.y),
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
288 (GLint)(cmd->clip_rect.w * scale.x),
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
289 (GLint)(cmd->clip_rect.h * scale.y));
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
290 glDrawElements(GL_TRIANGLES, (GLsizei)cmd->elem_count, GL_UNSIGNED_SHORT, offset);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
291 offset += cmd->elem_count;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
292 }
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
293 nk_clear(&sdl.ctx);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
294 }
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
295
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
296 glUseProgram(0);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
297 glBindBuffer(GL_ARRAY_BUFFER, 0);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
298 glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
299
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
300 glDisable(GL_BLEND);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
301 glDisable(GL_SCISSOR_TEST);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
302 }
1825
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled
Michael Pavone <pavone@retrodev.com>
parents: 1658
diff changeset
303 #endif
1474
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
304
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
305 static void
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
306 nk_sdl_clipbard_paste(nk_handle usr, struct nk_text_edit *edit)
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
307 {
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
308 const char *text = SDL_GetClipboardText();
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
309 if (text) nk_textedit_paste(edit, text, nk_strlen(text));
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
310 (void)usr;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
311 }
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
312
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
313 static void
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
314 nk_sdl_clipbard_copy(nk_handle usr, const char *text, int len)
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
315 {
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
316 char *str = 0;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
317 (void)usr;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
318 if (!len) return;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
319 str = (char*)malloc((size_t)len+1);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
320 if (!str) return;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
321 memcpy(str, text, (size_t)len);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
322 str[len] = '\0';
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
323 SDL_SetClipboardText(str);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
324 free(str);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
325 }
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
326
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
327 NK_API struct nk_context*
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
328 nk_sdl_init(SDL_Window *win)
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
329 {
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
330 sdl.win = win;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
331 nk_init_default(&sdl.ctx, 0);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
332 sdl.ctx.clip.copy = nk_sdl_clipbard_copy;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
333 sdl.ctx.clip.paste = nk_sdl_clipbard_paste;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
334 sdl.ctx.clip.userdata = nk_handle_ptr(0);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
335 return &sdl.ctx;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
336 }
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
337
1825
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled
Michael Pavone <pavone@retrodev.com>
parents: 1658
diff changeset
338 #ifndef DISABLE_OPENGL
1474
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
339 NK_API void
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
340 nk_sdl_font_stash_begin(struct nk_font_atlas **atlas)
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
341 {
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
342 nk_font_atlas_init_default(&sdl.atlas);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
343 nk_font_atlas_begin(&sdl.atlas);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
344 *atlas = &sdl.atlas;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
345 }
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
346
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
347 NK_API void
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
348 nk_sdl_font_stash_end(void)
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
349 {
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
350 const void *image; int w, h;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
351 image = nk_font_atlas_bake(&sdl.atlas, &w, &h, NK_FONT_ATLAS_RGBA32);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
352 nk_sdl_device_upload_atlas(image, w, h);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
353 nk_font_atlas_end(&sdl.atlas, nk_handle_id((int)sdl.ogl.font_tex), &sdl.ogl.null);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
354 if (sdl.atlas.default_font)
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
355 nk_style_set_font(&sdl.ctx, &sdl.atlas.default_font->handle);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
356
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
357 }
1825
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled
Michael Pavone <pavone@retrodev.com>
parents: 1658
diff changeset
358 #endif
1474
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
359
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
360 NK_API int
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
361 nk_sdl_handle_event(SDL_Event *evt)
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
362 {
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
363 struct nk_context *ctx = &sdl.ctx;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
364 if (evt->type == SDL_KEYUP || evt->type == SDL_KEYDOWN) {
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
365 /* key events */
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
366 int down = evt->type == SDL_KEYDOWN;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
367 const Uint8* state = SDL_GetKeyboardState(0);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
368 SDL_Keycode sym = evt->key.keysym.sym;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
369 if (sym == SDLK_RSHIFT || sym == SDLK_LSHIFT)
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
370 nk_input_key(ctx, NK_KEY_SHIFT, down);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
371 else if (sym == SDLK_DELETE)
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
372 nk_input_key(ctx, NK_KEY_DEL, down);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
373 else if (sym == SDLK_RETURN)
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
374 nk_input_key(ctx, NK_KEY_ENTER, down);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
375 else if (sym == SDLK_TAB)
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
376 nk_input_key(ctx, NK_KEY_TAB, down);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
377 else if (sym == SDLK_BACKSPACE)
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
378 nk_input_key(ctx, NK_KEY_BACKSPACE, down);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
379 else if (sym == SDLK_HOME) {
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
380 nk_input_key(ctx, NK_KEY_TEXT_START, down);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
381 nk_input_key(ctx, NK_KEY_SCROLL_START, down);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
382 } else if (sym == SDLK_END) {
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
383 nk_input_key(ctx, NK_KEY_TEXT_END, down);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
384 nk_input_key(ctx, NK_KEY_SCROLL_END, down);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
385 } else if (sym == SDLK_PAGEDOWN) {
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
386 nk_input_key(ctx, NK_KEY_SCROLL_DOWN, down);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
387 } else if (sym == SDLK_PAGEUP) {
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
388 nk_input_key(ctx, NK_KEY_SCROLL_UP, down);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
389 } else if (sym == SDLK_z)
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
390 nk_input_key(ctx, NK_KEY_TEXT_UNDO, down && state[SDL_SCANCODE_LCTRL]);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
391 else if (sym == SDLK_r)
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
392 nk_input_key(ctx, NK_KEY_TEXT_REDO, down && state[SDL_SCANCODE_LCTRL]);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
393 else if (sym == SDLK_c)
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
394 nk_input_key(ctx, NK_KEY_COPY, down && state[SDL_SCANCODE_LCTRL]);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
395 else if (sym == SDLK_v)
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
396 nk_input_key(ctx, NK_KEY_PASTE, down && state[SDL_SCANCODE_LCTRL]);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
397 else if (sym == SDLK_x)
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
398 nk_input_key(ctx, NK_KEY_CUT, down && state[SDL_SCANCODE_LCTRL]);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
399 else if (sym == SDLK_b)
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
400 nk_input_key(ctx, NK_KEY_TEXT_LINE_START, down && state[SDL_SCANCODE_LCTRL]);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
401 else if (sym == SDLK_e)
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
402 nk_input_key(ctx, NK_KEY_TEXT_LINE_END, down && state[SDL_SCANCODE_LCTRL]);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
403 else if (sym == SDLK_UP)
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
404 nk_input_key(ctx, NK_KEY_UP, down);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
405 else if (sym == SDLK_DOWN)
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
406 nk_input_key(ctx, NK_KEY_DOWN, down);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
407 else if (sym == SDLK_LEFT) {
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
408 if (state[SDL_SCANCODE_LCTRL])
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
409 nk_input_key(ctx, NK_KEY_TEXT_WORD_LEFT, down);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
410 else nk_input_key(ctx, NK_KEY_LEFT, down);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
411 } else if (sym == SDLK_RIGHT) {
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
412 if (state[SDL_SCANCODE_LCTRL])
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
413 nk_input_key(ctx, NK_KEY_TEXT_WORD_RIGHT, down);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
414 else nk_input_key(ctx, NK_KEY_RIGHT, down);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
415 } else return 0;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
416 return 1;
1862
e07fc3d473b2 Basic UI navigation with controller
Michael Pavone <pavone@retrodev.com>
parents: 1825
diff changeset
417 } else if (evt->type == SDL_CONTROLLERBUTTONDOWN || evt->type == SDL_CONTROLLERBUTTONUP) {
e07fc3d473b2 Basic UI navigation with controller
Michael Pavone <pavone@retrodev.com>
parents: 1825
diff changeset
418 int down = evt->type == SDL_CONTROLLERBUTTONDOWN;
e07fc3d473b2 Basic UI navigation with controller
Michael Pavone <pavone@retrodev.com>
parents: 1825
diff changeset
419 if (evt->cbutton.button == SDL_CONTROLLER_BUTTON_DPAD_UP) {
e07fc3d473b2 Basic UI navigation with controller
Michael Pavone <pavone@retrodev.com>
parents: 1825
diff changeset
420 nk_input_key(ctx, NK_KEY_UP, down);
e07fc3d473b2 Basic UI navigation with controller
Michael Pavone <pavone@retrodev.com>
parents: 1825
diff changeset
421 } else if (evt->cbutton.button == SDL_CONTROLLER_BUTTON_DPAD_DOWN) {
e07fc3d473b2 Basic UI navigation with controller
Michael Pavone <pavone@retrodev.com>
parents: 1825
diff changeset
422 nk_input_key(ctx, NK_KEY_DOWN, down);
e07fc3d473b2 Basic UI navigation with controller
Michael Pavone <pavone@retrodev.com>
parents: 1825
diff changeset
423 } else if (evt->cbutton.button == SDL_CONTROLLER_BUTTON_A || evt->cbutton.button == SDL_CONTROLLER_BUTTON_START) {
e07fc3d473b2 Basic UI navigation with controller
Michael Pavone <pavone@retrodev.com>
parents: 1825
diff changeset
424 nk_input_key(ctx, NK_KEY_ENTER, down);
e07fc3d473b2 Basic UI navigation with controller
Michael Pavone <pavone@retrodev.com>
parents: 1825
diff changeset
425 }
e07fc3d473b2 Basic UI navigation with controller
Michael Pavone <pavone@retrodev.com>
parents: 1825
diff changeset
426 } else if (evt->type == SDL_CONTROLLERAXISMOTION) {
e07fc3d473b2 Basic UI navigation with controller
Michael Pavone <pavone@retrodev.com>
parents: 1825
diff changeset
427 if (evt->caxis.axis == SDL_CONTROLLER_AXIS_LEFTY || evt->caxis.axis == SDL_CONTROLLER_AXIS_RIGHTY) {
e07fc3d473b2 Basic UI navigation with controller
Michael Pavone <pavone@retrodev.com>
parents: 1825
diff changeset
428 int down = abs(evt->caxis.value) > 2000;
e07fc3d473b2 Basic UI navigation with controller
Michael Pavone <pavone@retrodev.com>
parents: 1825
diff changeset
429 if (evt->caxis.value >= 0) {
e07fc3d473b2 Basic UI navigation with controller
Michael Pavone <pavone@retrodev.com>
parents: 1825
diff changeset
430 if (ctx->input.keyboard.keys[NK_KEY_UP].down) {
e07fc3d473b2 Basic UI navigation with controller
Michael Pavone <pavone@retrodev.com>
parents: 1825
diff changeset
431 nk_input_key(ctx, NK_KEY_UP, 0);
e07fc3d473b2 Basic UI navigation with controller
Michael Pavone <pavone@retrodev.com>
parents: 1825
diff changeset
432 }
e07fc3d473b2 Basic UI navigation with controller
Michael Pavone <pavone@retrodev.com>
parents: 1825
diff changeset
433 nk_input_key(ctx, NK_KEY_DOWN, down);
e07fc3d473b2 Basic UI navigation with controller
Michael Pavone <pavone@retrodev.com>
parents: 1825
diff changeset
434 } else {
e07fc3d473b2 Basic UI navigation with controller
Michael Pavone <pavone@retrodev.com>
parents: 1825
diff changeset
435 if (ctx->input.keyboard.keys[NK_KEY_DOWN].down) {
e07fc3d473b2 Basic UI navigation with controller
Michael Pavone <pavone@retrodev.com>
parents: 1825
diff changeset
436 nk_input_key(ctx, NK_KEY_DOWN, 0);
e07fc3d473b2 Basic UI navigation with controller
Michael Pavone <pavone@retrodev.com>
parents: 1825
diff changeset
437 }
e07fc3d473b2 Basic UI navigation with controller
Michael Pavone <pavone@retrodev.com>
parents: 1825
diff changeset
438 nk_input_key(ctx, NK_KEY_UP, down);
e07fc3d473b2 Basic UI navigation with controller
Michael Pavone <pavone@retrodev.com>
parents: 1825
diff changeset
439 }
e07fc3d473b2 Basic UI navigation with controller
Michael Pavone <pavone@retrodev.com>
parents: 1825
diff changeset
440 }
1474
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
441 } else if (evt->type == SDL_MOUSEBUTTONDOWN || evt->type == SDL_MOUSEBUTTONUP) {
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
442 /* mouse button */
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
443 int down = evt->type == SDL_MOUSEBUTTONDOWN;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
444 const int x = evt->button.x, y = evt->button.y;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
445 if (evt->button.button == SDL_BUTTON_LEFT) {
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
446 if (evt->button.clicks > 1)
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
447 nk_input_button(ctx, NK_BUTTON_DOUBLE, x, y, down);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
448 nk_input_button(ctx, NK_BUTTON_LEFT, x, y, down);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
449 } else if (evt->button.button == SDL_BUTTON_MIDDLE)
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
450 nk_input_button(ctx, NK_BUTTON_MIDDLE, x, y, down);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
451 else if (evt->button.button == SDL_BUTTON_RIGHT)
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
452 nk_input_button(ctx, NK_BUTTON_RIGHT, x, y, down);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
453 return 1;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
454 } else if (evt->type == SDL_MOUSEMOTION) {
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
455 /* mouse motion */
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
456 if (ctx->input.mouse.grabbed) {
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
457 int x = (int)ctx->input.mouse.prev.x, y = (int)ctx->input.mouse.prev.y;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
458 nk_input_motion(ctx, x + evt->motion.xrel, y + evt->motion.yrel);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
459 } else nk_input_motion(ctx, evt->motion.x, evt->motion.y);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
460 return 1;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
461 } else if (evt->type == SDL_TEXTINPUT) {
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
462 /* text input */
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
463 nk_glyph glyph;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
464 memcpy(glyph, evt->text.text, NK_UTF_SIZE);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
465 nk_input_glyph(ctx, glyph);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
466 return 1;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
467 } else if (evt->type == SDL_MOUSEWHEEL) {
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
468 /* mouse wheel */
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
469 nk_input_scroll(ctx,nk_vec2((float)evt->wheel.x,(float)evt->wheel.y));
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
470 return 1;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
471 }
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
472 return 0;
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
473 }
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
474
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
475 NK_API
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
476 void nk_sdl_shutdown(void)
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
477 {
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
478 nk_font_atlas_clear(&sdl.atlas);
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
479 nk_free(&sdl.ctx);
1825
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled
Michael Pavone <pavone@retrodev.com>
parents: 1658
diff changeset
480 #ifndef DISABLE_OPENGL
1474
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
481 nk_sdl_device_destroy();
1825
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled
Michael Pavone <pavone@retrodev.com>
parents: 1658
diff changeset
482 #endif
1474
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
483 memset(&sdl, 0, sizeof(sdl));
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
484 }
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
485
c5c022c7aa54 Initial work on Nuklear-based UI
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
486 #endif