orca/sketches/render_thread/main.c

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/*************************************************************************
*
* Orca
* Copyright 2023 Martin Fouilleul and the Orca project contributors
* See LICENSE.txt for licensing information
*
**************************************************************************/
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#include <stdio.h>
#include <stdlib.h>
#include "orca.h"
oc_surface surface = { 0 };
oc_canvas canvas = { 0 };
i32 render_thread(void* user)
{
while(!oc_should_quit())
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{
oc_arena_scope* scratch = oc_scratch_begin();
oc_event* event = 0;
while((event = oc_next_event(scratch.arena)) != 0)
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{
switch(event->type)
{
case OC_EVENT_WINDOW_CLOSE:
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{
oc_request_quit();
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}
break;
default:
break;
}
}
oc_surface_select(surface);
oc_canvas_select(canvas);
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oc_set_color_rgba(0, 0, 0.5, 0.5);
oc_clear();
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oc_set_color_rgba(1, 0, 0, 1);
oc_rectangle_fill(100, 100, 300, 150);
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oc_render(canvas);
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oc_surface_present(surface);
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oc_scratch_end(scratch);
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}
return (0);
}
int main()
{
oc_init();
oc_rect windowRect = { .x = 100, .y = 100, .w = 810, .h = 610 };
oc_window window = oc_window_create(windowRect, OC_STR8("test"), 0);
oc_rect contentRect = oc_window_get_content_rect(window);
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//NOTE: create surface
surface = oc_surface_create_for_window(window, OC_CANVAS);
if(oc_surface_is_nil(surface))
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{
printf("Error: couldn't create surface 1\n");
return (-1);
}
oc_surface_swap_interval(surface, 0);
canvas = oc_canvas_create();
if(oc_canvas_is_nil(canvas))
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{
printf("Error: couldn't create canvas 1\n");
return (-1);
}
oc_surface dummy = oc_surface_create_for_window(window, OC_CANVAS);
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// start app
oc_window_center(window);
oc_window_bring_to_front(window);
oc_window_focus(window);
oc_thread* renderThread = oc_thread_create(render_thread, NULL);
while(!oc_should_quit())
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{
oc_pump_events(0);
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}
oc_thread_join(renderThread, NULL);
oc_canvas_destroy(canvas);
oc_surface_destroy(surface);
oc_window_destroy(window);
oc_terminate();
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return (0);
}