orca/milepost/examples/render_thread/main.c

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#include<stdlib.h>
#include<stdio.h>
#define MG_INCLUDE_GL_API 1
#include"milepost.h"
mg_surface surface = {0};
mg_canvas canvas = {0};
i32 render_thread(void* user)
{
while(!mp_should_quit())
{
mp_event* event = 0;
while((event = mp_next_event(mem_scratch())) != 0)
{
switch(event->type)
{
case MP_EVENT_WINDOW_CLOSE:
{
mp_request_quit();
} break;
default:
break;
}
}
mg_surface_prepare(surface);
mg_canvas_set_current(canvas);
mg_set_color_rgba(0, 0, 0.5, 0.5);
mg_clear();
mg_set_color_rgba(1, 0, 0, 1);
mg_rectangle_fill(100, 100, 300, 150);
mg_render(surface, canvas);
mg_surface_present(surface);
mem_arena_clear(mem_scratch());
}
return(0);
}
int main()
{
mp_init();
mp_clock_init(); //TODO put that in mp_init()?
mp_rect windowRect = {.x = 100, .y = 100, .w = 810, .h = 610};
mp_window window = mp_window_create(windowRect, "test", 0);
mp_rect contentRect = mp_window_get_content_rect(window);
//NOTE: create surface
surface = mg_surface_create_for_window(window, MG_CANVAS);
if(mg_surface_is_nil(surface))
{
printf("Error: couldn't create surface 1\n");
return(-1);
}
mg_surface_swap_interval(surface, 0);
canvas = mg_canvas_create();
if(mg_canvas_is_nil(canvas))
{
printf("Error: couldn't create canvas 1\n");
return(-1);
}
mg_surface dummy = mg_surface_create_for_window(window, MG_CANVAS);
// start app
mp_window_center(window);
mp_window_bring_to_front(window);
mp_window_focus(window);
mp_thread* renderThread = mp_thread_create(render_thread, NULL);
while(!mp_should_quit())
{
mp_pump_events(0);
}
mp_thread_join(renderThread, NULL);
mg_canvas_destroy(canvas);
mg_surface_destroy(surface);
mp_window_destroy(window);
mp_terminate();
return(0);
}