int main(void) {
window_open();
glutils_init();
Settings settings;
settings.first_run = true;
Level level;
bool leave = false;
while(!leave) {
if(!menu_run(&settings)) {
leave = true;
break;
}
theme_load(settings.theme);
level_load(settings.level_set, settings.level, &level);
level_run(&level, &settings);
}
/*
* unload the last used theme
* if we loaded several themes one after another,
* they have been automatically freed by theme_load
*/
theme_unload();
return EXIT_SUCCESS;
}
/*-----------------------------------------------------------------
* Initialization
*-----------------------------------------------------------------*/
void renderer_init(struct renderer_state* rs)
{
/* Populate renderer state according to init params */
memset(rs, 0, sizeof(*rs));
rs->internal = calloc(1, sizeof(*rs->internal));
struct renderer_internal_state* is = rs->internal;
/* Initialize resource manager */
resmgr_init(&rs->rmgr);
/* Initial dimensions */
int width = 1280, height = 720;
is->viewport.x = width; is->viewport.y = height;
/* Initialize gbuffer */
gbuffer_init(&is->main_gbuf, width, height); is->gbuf = &is->main_gbuf;
/* Initialize internal postfx renderer */
postfx_init(&is->postfx, width, height);
/* Initial resize */
renderer_resize(rs, width, height);
/* Initialize gl utilities state */
glutils_init();
/* Initialize internal panic screen state */
panicscr_init(&is->ps_rndr);
register_gl_error_handler(pnkscr_err_cb, &is->ps_rndr);
/* Initialize embedded resources */
resint_init();
/* Initialize SSAO state */
ssao_init(&is->ssao, width, height);
/* Initialize internal eye adaptation state */
eyeadapt_init(&is->eyeadpt);
/* Initialize internal texture sky state */
sky_texture_init(&is->sky_rndr.tex);
/* Initialize internal preetham sky state */
sky_preetham_init(&is->sky_rndr.preeth);
/* Initialize internal Global Illumination renderer state */
gi_rndr_init(&is->gi_rndr);
/* Initialize internal bbox renderer state */
bbox_rndr_init(&is->bbox_rs);
/* Initialize internal occlusion state */
occull_init(&is->occl_st);
/* Initialize internal shadowmap state */
const GLuint shmap_res = 2048;
shadowmap_init(&is->shdwmap, shmap_res, shmap_res);
/* Fetch shaders */
renderer_shdr_fetch(rs);
/* Initialize frame profiler */
is->fprof = frame_prof_init();
/* Initialize debug text rendering */
dbgtxt_init();
/* Initialize multiple render targets debugger */
mrtdbg_init();
/* Load internal textures */
image im; void* fdata; size_t fsize;
embedded_file(&fdata, &fsize, "textures/smaa_area_tex.dds");
im = image_from_buffer(fdata, fsize, ".dds");
glGenTextures(1, &is->textures.smaa.area);
glBindTexture(GL_TEXTURE_2D, is->textures.smaa.area);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RG8, im.w, im.h, 0, GL_BGR, GL_UNSIGNED_BYTE, im.data);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
free(im.data);
embedded_file(&fdata, &fsize, "textures/smaa_search_tex.dds");
im = image_from_buffer(fdata, fsize, ".dds");
glGenTextures(1, &is->textures.smaa.search);
glBindTexture(GL_TEXTURE_2D, is->textures.smaa.search);
glTexImage2D(GL_TEXTURE_2D, 0, GL_R8, im.w, im.h, 0, GL_RED, GL_UNSIGNED_BYTE, im.data);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
free(im.data);
glBindTexture(GL_TEXTURE_2D, 0);
/* Setup IBL */
is->textures.brdf_lut = brdf_lut_generate(is->shdrs.ibl.brdf_lut);
/* Default options */
rs->options.use_occlusion_culling = 0;
rs->options.use_rough_met_maps = 1;
rs->options.use_detail_maps = 1;
rs->options.use_shadows = 0;
rs->options.use_envlight = 1;
rs->options.use_bloom = 0;
rs->options.use_tonemapping = 1;
rs->options.use_gamma_correction = 1;
rs->options.use_ssao = 0;
rs->options.show_bboxes = 0;
rs->options.show_normals = 0;
rs->options.show_fprof = 1;
rs->options.show_gbuf_textures = 0;
rs->options.show_gidata = 0;
}
