bgfx/examples/25-c99/helloworld.c

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2015-03-19 02:23:38 +03:00
/*
* Copyright 2011-2015 Branimir Karadzic. All rights reserved.
* License: http://www.opensource.org/licenses/BSD-2-Clause
*/
#include <bgfx.c99.h>
#include "../00-helloworld/logo.h"
extern bool entry_process_events(uint32_t* _width, uint32_t* _height, uint32_t* _debug, uint32_t* _reset);
uint16_t uint16_max(uint16_t _a, uint16_t _b)
{
return _a < _b ? _b : _a;
}
int _main_(int _argc, char** _argv)
{
uint32_t width = 1280;
uint32_t height = 720;
uint32_t debug = BGFX_DEBUG_TEXT;
uint32_t reset = BGFX_RESET_VSYNC;
(void)_argc;
(void)_argv;
2015-03-19 02:23:38 +03:00
bgfx_init(BGFX_RENDERER_TYPE_COUNT, NULL, NULL);
bgfx_reset(width, height, reset);
// Enable debug text.
bgfx_set_debug(debug);
bgfx_set_view_clear(0
, BGFX_CLEAR_COLOR|BGFX_CLEAR_DEPTH
, 0x303030ff
, 1.0f
, 0
);
while (!entry_process_events(&width, &height, &debug, &reset) )
{
// Set view 0 default viewport.
bgfx_set_view_rect(0, 0, 0, width, height);
// This dummy draw call is here to make sure that view 0 is cleared
// if no other draw calls are submitted to view 0.
bgfx_submit(0, 0);
// Use debug font to print information about this example.
bgfx_dbg_text_clear(0, false);
bgfx_dbg_text_image(uint16_max(width/2/8, 20)-20
, uint16_max(height/2/16, 6)-6
, 40
, 12
, s_logo
, 160
);
bgfx_dbg_text_printf(0, 1, 0x4f, "bgfx/examples/25-c99");
bgfx_dbg_text_printf(0, 2, 0x6f, "Description: Initialization and debug text with C99 API.");
// Advance to next frame. Rendering thread will be kicked to
// process submitted rendering primitives.
bgfx_frame();
}
// Shutdown bgfx.
bgfx_shutdown();
return 0;
}