516 lines
17 KiB
C
516 lines
17 KiB
C
/*
|
|
Copyright (c) 2016 Micha Mettke
|
|
|
|
This software is provided 'as-is', without any express or implied
|
|
warranty. In no event will the authors be held liable for any damages
|
|
arising from the use of this software.
|
|
|
|
Permission is granted to anyone to use this software for any purpose,
|
|
including commercial applications, and to alter it and redistribute it
|
|
freely, subject to the following restrictions:
|
|
|
|
1. The origin of this software must not be misrepresented; you must not
|
|
claim that you wrote the original software. If you use this software
|
|
in a product, an acknowledgment in the product documentation would be
|
|
appreciated but is not required.
|
|
2. Altered source versions must be plainly marked as such, and must not be
|
|
misrepresented as being the original software.
|
|
3. This notice may not be removed or altered from any source distribution.
|
|
*/
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <stdint.h>
|
|
#include <stdarg.h>
|
|
#include <string.h>
|
|
#include <math.h>
|
|
#include <assert.h>
|
|
#include <math.h>
|
|
|
|
#include <GL/glew.h>
|
|
#include <GL/gl.h>
|
|
#include <GL/glu.h>
|
|
#include <SDL2/SDL.h>
|
|
|
|
/* macros */
|
|
#define MAX_VERTEX_MEMORY 512 * 1024
|
|
#define MAX_ELEMENT_MEMORY 128 * 1024
|
|
|
|
#include "../../zahnrad.h"
|
|
#include "../demo.c"
|
|
|
|
/* ==============================================================
|
|
*
|
|
* Utility
|
|
*
|
|
* ===============================================================*/
|
|
static void
|
|
die(const char *fmt, ...)
|
|
{
|
|
va_list ap;
|
|
va_start(ap, fmt);
|
|
vfprintf(stderr, fmt, ap);
|
|
va_end(ap);
|
|
fputs("\n", stderr);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
static char*
|
|
file_load(const char* path, size_t* siz)
|
|
{
|
|
char *buf;
|
|
FILE *fd = fopen(path, "rb");
|
|
if (!fd) die("Failed to open file: %s\n", path);
|
|
fseek(fd, 0, SEEK_END);
|
|
*siz = (size_t)ftell(fd);
|
|
fseek(fd, 0, SEEK_SET);
|
|
buf = (char*)calloc(*siz, 1);
|
|
fread(buf, *siz, 1, fd);
|
|
fclose(fd);
|
|
return buf;
|
|
}
|
|
|
|
struct device {
|
|
GLuint vbo, vao, ebo;
|
|
GLuint prog;
|
|
GLuint vert_shdr;
|
|
GLuint frag_shdr;
|
|
GLint attrib_pos;
|
|
GLint attrib_uv;
|
|
GLint attrib_col;
|
|
GLint uniform_tex;
|
|
GLint uniform_proj;
|
|
GLuint font_tex;
|
|
struct zr_draw_null_texture null;
|
|
struct zr_buffer cmds;
|
|
};
|
|
|
|
static void
|
|
device_init(struct device *dev)
|
|
{
|
|
GLint status;
|
|
static const GLchar *vertex_shader =
|
|
"#version 300 es\n"
|
|
"uniform mat4 ProjMtx;\n"
|
|
"in vec2 Position;\n"
|
|
"in vec2 TexCoord;\n"
|
|
"in vec4 Color;\n"
|
|
"out vec2 Frag_UV;\n"
|
|
"out vec4 Frag_Color;\n"
|
|
"void main() {\n"
|
|
" Frag_UV = TexCoord;\n"
|
|
" Frag_Color = Color;\n"
|
|
" gl_Position = ProjMtx * vec4(Position.xy, 0, 1);\n"
|
|
"}\n";
|
|
static const GLchar *fragment_shader =
|
|
"#version 300 es\n"
|
|
"precision mediump float;\n"
|
|
"uniform sampler2D Texture;\n"
|
|
"in vec2 Frag_UV;\n"
|
|
"in vec4 Frag_Color;\n"
|
|
"out vec4 Out_Color;\n"
|
|
"void main(){\n"
|
|
" Out_Color = Frag_Color * texture(Texture, Frag_UV.st);\n"
|
|
"}\n";
|
|
|
|
dev->prog = glCreateProgram();
|
|
dev->vert_shdr = glCreateShader(GL_VERTEX_SHADER);
|
|
dev->frag_shdr = glCreateShader(GL_FRAGMENT_SHADER);
|
|
glShaderSource(dev->vert_shdr, 1, &vertex_shader, 0);
|
|
glShaderSource(dev->frag_shdr, 1, &fragment_shader, 0);
|
|
glCompileShader(dev->vert_shdr);
|
|
glCompileShader(dev->frag_shdr);
|
|
glGetShaderiv(dev->vert_shdr, GL_COMPILE_STATUS, &status);
|
|
assert(status == GL_TRUE);
|
|
glGetShaderiv(dev->frag_shdr, GL_COMPILE_STATUS, &status);
|
|
assert(status == GL_TRUE);
|
|
glAttachShader(dev->prog, dev->vert_shdr);
|
|
glAttachShader(dev->prog, dev->frag_shdr);
|
|
glLinkProgram(dev->prog);
|
|
glGetProgramiv(dev->prog, GL_LINK_STATUS, &status);
|
|
assert(status == GL_TRUE);
|
|
|
|
dev->uniform_tex = glGetUniformLocation(dev->prog, "Texture");
|
|
dev->uniform_proj = glGetUniformLocation(dev->prog, "ProjMtx");
|
|
dev->attrib_pos = glGetAttribLocation(dev->prog, "Position");
|
|
dev->attrib_uv = glGetAttribLocation(dev->prog, "TexCoord");
|
|
dev->attrib_col = glGetAttribLocation(dev->prog, "Color");
|
|
|
|
{
|
|
/* buffer setup */
|
|
GLsizei vs = sizeof(struct zr_draw_vertex);
|
|
size_t vp = offsetof(struct zr_draw_vertex, position);
|
|
size_t vt = offsetof(struct zr_draw_vertex, uv);
|
|
size_t vc = offsetof(struct zr_draw_vertex, col);
|
|
|
|
glGenBuffers(1, &dev->vbo);
|
|
glGenBuffers(1, &dev->ebo);
|
|
glGenVertexArrays(1, &dev->vao);
|
|
|
|
glBindVertexArray(dev->vao);
|
|
glBindBuffer(GL_ARRAY_BUFFER, dev->vbo);
|
|
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, dev->ebo);
|
|
|
|
glEnableVertexAttribArray((GLuint)dev->attrib_pos);
|
|
glEnableVertexAttribArray((GLuint)dev->attrib_uv);
|
|
glEnableVertexAttribArray((GLuint)dev->attrib_col);
|
|
|
|
glVertexAttribPointer((GLuint)dev->attrib_pos, 2, GL_FLOAT, GL_FALSE, vs, (void*)vp);
|
|
glVertexAttribPointer((GLuint)dev->attrib_uv, 2, GL_FLOAT, GL_FALSE, vs, (void*)vt);
|
|
glVertexAttribPointer((GLuint)dev->attrib_col, 4, GL_UNSIGNED_BYTE, GL_TRUE, vs, (void*)vc);
|
|
}
|
|
|
|
glBindTexture(GL_TEXTURE_2D, 0);
|
|
glBindBuffer(GL_ARRAY_BUFFER, 0);
|
|
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
|
|
glBindVertexArray(0);
|
|
}
|
|
|
|
static struct zr_user_font
|
|
font_bake_and_upload(struct device *dev, struct zr_font *font,
|
|
const char *path, unsigned int font_height, const zr_rune *range)
|
|
{
|
|
int glyph_count;
|
|
int img_width, img_height;
|
|
struct zr_font_glyph *glyphes;
|
|
struct zr_baked_font baked_font;
|
|
struct zr_user_font user_font;
|
|
struct zr_recti custom;
|
|
|
|
memset(&baked_font, 0, sizeof(baked_font));
|
|
memset(&user_font, 0, sizeof(user_font));
|
|
memset(&custom, 0, sizeof(custom));
|
|
|
|
{
|
|
/* bake and upload font texture */
|
|
void *img, *tmp;
|
|
size_t ttf_size;
|
|
size_t tmp_size, img_size;
|
|
const char *custom_data = "....";
|
|
struct zr_font_config config;
|
|
char *ttf_blob = file_load(path, &ttf_size);
|
|
if (!ttf_blob)
|
|
die("[Font]: %s is not a file or cannot be found!\n", path);
|
|
|
|
/* setup font configuration */
|
|
memset(&config, 0, sizeof(config));
|
|
config.ttf_blob = ttf_blob;
|
|
config.ttf_size = ttf_size;
|
|
config.font = &baked_font;
|
|
config.coord_type = ZR_COORD_UV;
|
|
config.range = range;
|
|
config.pixel_snap = zr_false;
|
|
config.size = (float)font_height;
|
|
config.spacing = zr_vec2(0,0);
|
|
config.oversample_h = 1;
|
|
config.oversample_v = 1;
|
|
|
|
/* query needed amount of memory for the font baking process */
|
|
zr_font_bake_memory(&tmp_size, &glyph_count, &config, 1);
|
|
glyphes = (struct zr_font_glyph*)calloc(sizeof(struct zr_font_glyph), (size_t)glyph_count);
|
|
tmp = calloc(1, tmp_size);
|
|
|
|
/* pack all glyphes and return needed image width, height and memory size*/
|
|
custom.w = 2; custom.h = 2;
|
|
if (!zr_font_bake_pack(&img_size, &img_width,&img_height,&custom,tmp,tmp_size,&config, 1))
|
|
die("[Font]: failed to load font!\n");
|
|
|
|
/* bake all glyphes and custom white pixel into image */
|
|
img = calloc(1, img_size);
|
|
zr_font_bake(img, img_width, img_height, tmp, tmp_size, glyphes, glyph_count, &config, 1);
|
|
zr_font_bake_custom_data(img, img_width, img_height, custom, custom_data, 2, 2, '.', 'X');
|
|
{
|
|
/* convert alpha8 image into rgba8 image */
|
|
void *img_rgba = calloc(4, (size_t)(img_height * img_width));
|
|
zr_font_bake_convert(img_rgba, img_width, img_height, img);
|
|
free(img);
|
|
img = img_rgba;
|
|
}
|
|
{
|
|
/* upload baked font image */
|
|
glGenTextures(1, &dev->font_tex);
|
|
glBindTexture(GL_TEXTURE_2D, dev->font_tex);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
|
|
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, (GLsizei)img_width, (GLsizei)img_height, 0,
|
|
GL_RGBA, GL_UNSIGNED_BYTE, img);
|
|
}
|
|
free(ttf_blob);
|
|
free(tmp);
|
|
free(img);
|
|
}
|
|
|
|
/* default white pixel in a texture which is needed to draw primitives */
|
|
dev->null.texture.id = (int)dev->font_tex;
|
|
dev->null.uv = zr_vec2((custom.x + 0.5f)/(float)img_width,
|
|
(custom.y + 0.5f)/(float)img_height);
|
|
|
|
/* setup font with glyphes. IMPORTANT: the font only references the glyphes
|
|
this was done to have the possibility to have multible fonts with one
|
|
total glyph array. Not quite sure if it is a good thing since the
|
|
glyphes have to be freed as well. */
|
|
zr_font_init(font, (float)font_height, '?', glyphes, &baked_font, dev->null.texture);
|
|
user_font = zr_font_ref(font);
|
|
return user_font;
|
|
}
|
|
|
|
static void
|
|
device_shutdown(struct device *dev)
|
|
{
|
|
glDetachShader(dev->prog, dev->vert_shdr);
|
|
glDetachShader(dev->prog, dev->frag_shdr);
|
|
glDeleteShader(dev->vert_shdr);
|
|
glDeleteShader(dev->frag_shdr);
|
|
glDeleteProgram(dev->prog);
|
|
glDeleteTextures(1, &dev->font_tex);
|
|
glDeleteBuffers(1, &dev->vbo);
|
|
glDeleteBuffers(1, &dev->ebo);
|
|
glDeleteVertexArrays(1, &dev->vao);
|
|
}
|
|
|
|
static void
|
|
device_draw(struct device *dev, struct zr_context *ctx, int width, int height,
|
|
enum zr_anti_aliasing AA)
|
|
{
|
|
GLint last_prog, last_tex;
|
|
GLint last_ebo, last_vbo, last_vao;
|
|
GLfloat ortho[4][4] = {
|
|
{2.0f, 0.0f, 0.0f, 0.0f},
|
|
{0.0f,-2.0f, 0.0f, 0.0f},
|
|
{0.0f, 0.0f,-1.0f, 0.0f},
|
|
{-1.0f,1.0f, 0.0f, 1.0f},
|
|
};
|
|
ortho[0][0] /= (GLfloat)width;
|
|
ortho[1][1] /= (GLfloat)height;
|
|
|
|
/* save previous opengl state */
|
|
glGetIntegerv(GL_CURRENT_PROGRAM, &last_prog);
|
|
glGetIntegerv(GL_TEXTURE_BINDING_2D, &last_tex);
|
|
glGetIntegerv(GL_ARRAY_BUFFER_BINDING, &last_vao);
|
|
glGetIntegerv(GL_ELEMENT_ARRAY_BUFFER_BINDING, &last_ebo);
|
|
glGetIntegerv(GL_VERTEX_ARRAY_BINDING, &last_vbo);
|
|
|
|
/* setup global state */
|
|
glEnable(GL_BLEND);
|
|
glBlendEquation(GL_FUNC_ADD);
|
|
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
|
|
glDisable(GL_CULL_FACE);
|
|
glDisable(GL_DEPTH_TEST);
|
|
glEnable(GL_SCISSOR_TEST);
|
|
glActiveTexture(GL_TEXTURE0);
|
|
|
|
/* setup program */
|
|
glUseProgram(dev->prog);
|
|
glUniform1i(dev->uniform_tex, 0);
|
|
glUniformMatrix4fv(dev->uniform_proj, 1, GL_FALSE, &ortho[0][0]);
|
|
|
|
{
|
|
/* convert from command queue into draw list and draw to screen */
|
|
const struct zr_draw_command *cmd;
|
|
void *vertexes, *elements;
|
|
const zr_draw_index *offset = NULL;
|
|
|
|
/* allocate vertex and element buffer */
|
|
glBindVertexArray(dev->vao);
|
|
glBindBuffer(GL_ARRAY_BUFFER, dev->vbo);
|
|
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, dev->ebo);
|
|
|
|
glBufferData(GL_ARRAY_BUFFER, MAX_VERTEX_MEMORY, NULL, GL_STREAM_DRAW);
|
|
glBufferData(GL_ELEMENT_ARRAY_BUFFER, MAX_ELEMENT_MEMORY, NULL, GL_STREAM_DRAW);
|
|
|
|
/* load draw vertexes & elements directly into vertex + element buffer */
|
|
vertexes = glMapBuffer(GL_ARRAY_BUFFER, GL_WRITE_ONLY);
|
|
elements = glMapBuffer(GL_ELEMENT_ARRAY_BUFFER, GL_WRITE_ONLY);
|
|
{
|
|
struct zr_buffer vbuf, ebuf;
|
|
zr_buffer_init_fixed(&vbuf, vertexes, MAX_VERTEX_MEMORY);
|
|
zr_buffer_init_fixed(&ebuf, elements, MAX_ELEMENT_MEMORY);
|
|
zr_convert(ctx, &dev->cmds, &vbuf, &ebuf, dev->null, AA, 1.0f, 22);
|
|
}
|
|
glUnmapBuffer(GL_ARRAY_BUFFER);
|
|
glUnmapBuffer(GL_ELEMENT_ARRAY_BUFFER);
|
|
|
|
/* iterate over and execute each draw command */
|
|
zr_draw_foreach(cmd, ctx, &dev->cmds) {
|
|
if (!cmd->elem_count) continue;
|
|
glBindTexture(GL_TEXTURE_2D, (GLuint)cmd->texture.id);
|
|
glScissor((GLint)cmd->clip_rect.x,
|
|
height - (GLint)(cmd->clip_rect.y + cmd->clip_rect.h),
|
|
(GLint)cmd->clip_rect.w, (GLint)cmd->clip_rect.h);
|
|
glDrawElements(GL_TRIANGLES, (GLsizei)cmd->elem_count, GL_UNSIGNED_SHORT, offset);
|
|
offset += cmd->elem_count;
|
|
}
|
|
zr_clear(ctx);
|
|
}
|
|
|
|
/* restore old state */
|
|
glUseProgram((GLuint)last_prog);
|
|
glBindTexture(GL_TEXTURE_2D, (GLuint)last_tex);
|
|
glBindBuffer(GL_ARRAY_BUFFER, (GLuint)last_vbo);
|
|
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, (GLuint)last_ebo);
|
|
glBindVertexArray((GLuint)last_vao);
|
|
glDisable(GL_SCISSOR_TEST);
|
|
}
|
|
|
|
static void
|
|
input_key(struct zr_context *ctx, SDL_Event *evt, int down)
|
|
{
|
|
const Uint8* state = SDL_GetKeyboardState(NULL);
|
|
SDL_Keycode sym = evt->key.keysym.sym;
|
|
if (sym == SDLK_RSHIFT || sym == SDLK_LSHIFT)
|
|
zr_input_key(ctx, ZR_KEY_SHIFT, down);
|
|
else if (sym == SDLK_DELETE)
|
|
zr_input_key(ctx, ZR_KEY_DEL, down);
|
|
else if (sym == SDLK_RETURN)
|
|
zr_input_key(ctx, ZR_KEY_ENTER, down);
|
|
else if (sym == SDLK_TAB)
|
|
zr_input_key(ctx, ZR_KEY_TAB, down);
|
|
else if (sym == SDLK_BACKSPACE)
|
|
zr_input_key(ctx, ZR_KEY_BACKSPACE, down);
|
|
else if (sym == SDLK_LEFT)
|
|
zr_input_key(ctx, ZR_KEY_LEFT, down);
|
|
else if (sym == SDLK_RIGHT)
|
|
zr_input_key(ctx, ZR_KEY_RIGHT, down);
|
|
else if (sym == SDLK_c)
|
|
zr_input_key(ctx, ZR_KEY_COPY, down && state[SDL_SCANCODE_LCTRL]);
|
|
else if (sym == SDLK_v)
|
|
zr_input_key(ctx, ZR_KEY_PASTE, down && state[SDL_SCANCODE_LCTRL]);
|
|
else if (sym == SDLK_x)
|
|
zr_input_key(ctx, ZR_KEY_CUT, down && state[SDL_SCANCODE_LCTRL]);
|
|
}
|
|
|
|
static void
|
|
input_motion(struct zr_context *ctx, SDL_Event *evt)
|
|
{
|
|
const int x = evt->motion.x;
|
|
const int y = evt->motion.y;
|
|
zr_input_motion(ctx, x, y);
|
|
}
|
|
|
|
static void
|
|
input_button(struct zr_context *ctx, SDL_Event *evt, int down)
|
|
{
|
|
const int x = evt->button.x;
|
|
const int y = evt->button.y;
|
|
if (evt->button.button == SDL_BUTTON_LEFT)
|
|
zr_input_button(ctx, ZR_BUTTON_LEFT, x, y, down);
|
|
if (evt->button.button == SDL_BUTTON_RIGHT)
|
|
zr_input_button(ctx, ZR_BUTTON_RIGHT, x, y, down);
|
|
}
|
|
|
|
static void
|
|
input_text(struct zr_context *ctx, SDL_Event *evt)
|
|
{
|
|
zr_glyph glyph;
|
|
memcpy(glyph, evt->text.text, ZR_UTF_SIZE);
|
|
zr_input_glyph(ctx, glyph);
|
|
}
|
|
|
|
static void
|
|
resize(SDL_Event *evt)
|
|
{
|
|
if (evt->window.event != SDL_WINDOWEVENT_RESIZED) return;
|
|
glViewport(0, 0, evt->window.data1, evt->window.data2);
|
|
}
|
|
|
|
static void* mem_alloc(zr_handle unused, size_t size)
|
|
{UNUSED(unused); return calloc(1, size);}
|
|
static void mem_free(zr_handle unused, void *ptr)
|
|
{UNUSED(unused); free(ptr);}
|
|
|
|
int
|
|
main(int argc, char *argv[])
|
|
{
|
|
/* Platform */
|
|
const char *font_path;
|
|
SDL_Window *win;
|
|
SDL_GLContext glContext;
|
|
int win_width, win_height;
|
|
int width = 0, height = 0;
|
|
int running = 1;
|
|
|
|
/* GUI */
|
|
struct device device;
|
|
struct demo gui;
|
|
struct zr_font font;
|
|
|
|
font_path = argv[1];
|
|
if (argc < 2)
|
|
die("Missing TTF Font file argument!");
|
|
|
|
/* SDL */
|
|
SDL_Init(SDL_INIT_VIDEO|SDL_INIT_TIMER|SDL_INIT_EVENTS);
|
|
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
|
|
win = SDL_CreateWindow("Demo",
|
|
SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED,
|
|
WINDOW_WIDTH, WINDOW_HEIGHT, SDL_WINDOW_OPENGL|SDL_WINDOW_SHOWN);
|
|
glContext = SDL_GL_CreateContext(win);
|
|
SDL_GetWindowSize(win, &win_width, &win_height);
|
|
|
|
/* OpenGL */
|
|
glViewport(0, 0, WINDOW_WIDTH, WINDOW_HEIGHT);
|
|
glewExperimental = 1;
|
|
if (glewInit() != GLEW_OK)
|
|
die("Failed to setup GLEW\n");
|
|
|
|
{
|
|
/* GUI */
|
|
struct zr_user_font usrfnt;
|
|
struct zr_allocator alloc;
|
|
alloc.userdata.ptr = NULL;
|
|
alloc.alloc = mem_alloc;
|
|
alloc.free = mem_free;
|
|
zr_buffer_init(&device.cmds, &alloc, 1024);
|
|
usrfnt = font_bake_and_upload(&device, &font, font_path, 14,
|
|
zr_font_default_glyph_ranges());
|
|
zr_init(&gui.ctx, &alloc, &usrfnt);
|
|
}
|
|
|
|
device_init(&device);
|
|
while (running) {
|
|
/* Input */
|
|
SDL_Event evt;
|
|
zr_input_begin(&gui.ctx);
|
|
while (SDL_PollEvent(&evt)) {
|
|
if (evt.type == SDL_WINDOWEVENT) resize(&evt);
|
|
else if (evt.type == SDL_QUIT) goto cleanup;
|
|
else if (evt.type == SDL_KEYUP)
|
|
input_key(&gui.ctx, &evt, zr_false);
|
|
else if (evt.type == SDL_KEYDOWN)
|
|
input_key(&gui.ctx, &evt, zr_true);
|
|
else if (evt.type == SDL_MOUSEBUTTONDOWN)
|
|
input_button(&gui.ctx, &evt, zr_true);
|
|
else if (evt.type == SDL_MOUSEBUTTONUP)
|
|
input_button(&gui.ctx, &evt, zr_false);
|
|
else if (evt.type == SDL_MOUSEMOTION)
|
|
input_motion(&gui.ctx, &evt);
|
|
else if (evt.type == SDL_TEXTINPUT)
|
|
input_text(&gui.ctx, &evt);
|
|
else if (evt.type == SDL_MOUSEWHEEL)
|
|
zr_input_scroll(&gui.ctx,(float)evt.wheel.y);
|
|
}
|
|
zr_input_end(&gui.ctx);
|
|
|
|
/* GUI */
|
|
SDL_GetWindowSize(win, &width, &height);
|
|
running = run_demo(&gui);
|
|
|
|
/* Draw */
|
|
glClear(GL_COLOR_BUFFER_BIT);
|
|
glClearColor(0.2f, 0.2f, 0.2f, 1.0f);
|
|
device_draw(&device, &gui.ctx, width, height, ZR_ANTI_ALIASING_ON);
|
|
SDL_GL_SwapWindow(win);
|
|
}
|
|
|
|
cleanup:
|
|
/* Cleanup */
|
|
free(font.glyphs);
|
|
zr_free(&gui.ctx);
|
|
zr_buffer_free(&device.cmds);
|
|
device_shutdown(&device);
|
|
SDL_GL_DeleteContext(glContext);
|
|
SDL_DestroyWindow(win);
|
|
SDL_Quit();
|
|
return 0;
|
|
}
|
|
|