#include "opengl.h"
#include "demo.h"
#include "part.h"
+#include "post.h"
+#include "sdr.h"
+#include "opt.h"
+#include "drawtext.h"
+#include "imtk.h"
+#include "osd.h"
void reg_whitted(void);
float win_aspect;
long time_msec;
+struct dtx_font *fnt_ui;
+int fnt_ui_size;
+
+int dbgui;
+
+static int reshape_pending;
+static unsigned int sdr_gamma;
int demo_init(void)
{
glEnable(GL_DEPTH_TEST);
glEnable(GL_CULL_FACE);
- glEnable(GL_FRAMEBUFFER_SRGB);
- glEnable(GL_MULTISAMPLE);
+ if(opt.srgb) {
+ glEnable(GL_FRAMEBUFFER_SRGB);
+ }
+ if(opt.msaa) {
+ glEnable(GL_MULTISAMPLE);
+ }
+
+ if(opt.vsync) {
+ gl_swap_interval(1);
+ } else {
+ gl_swap_interval(0);
+ }
+
+ if(!(fnt_ui = dtx_open_font_glyphmap("data/ui.glyphmap"))) {
+ fprintf(stderr, "failed to open ui font\n");
+ return -1;
+ }
+ fnt_ui_size = dtx_get_glyphmap_ptsize(dtx_get_glyphmap(fnt_ui, 0));
+ dtx_prepare_range(fnt_ui, fnt_ui_size, 32, 127);
+
+ post_init();
+
+ if(!(sdr_gamma = create_program_load("sdr/post.v.glsl", "sdr/gamma.p.glsl"))) {
+ fprintf(stderr, "Warning: failed to load the gamma correction shader\n");
+ }
reg_whitted();
{
int i;
+ if(sdr_gamma) {
+ glDeleteProgram(sdr_gamma);
+ }
+ post_cleanup();
+
for(i=0; i<num_parts; i++) {
parts[i]->destroy();
}
+
+ dtx_close_font(fnt_ui);
}
void demo_display(void)
{
long part_time;
+ if(reshape_pending) {
+ post_reshape(win_width, win_height);
+ reshape_pending = 0;
+ }
+
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
if(!cur_part) return;
prev_part = 0;
cur_part->draw(part_time);
}
+
+ /* no-srgb gamma correction fallback */
+ if(!opt.srgb) {
+ glBindTexture(GL_TEXTURE_2D, post_fbtex[0].id);
+ glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, win_width, win_height);
+
+ glUseProgram(sdr_gamma);
+ overlay_tex(post_fbtex, 1.0);
+ }
+
+ {
+ static long frames, prev_upd, fps;
+ long dt;
+
+ frames++;
+
+ dt = time_msec - prev_upd;
+ if(dt >= 750) {
+ fps = ((frames * 1000 << 8) + 128) / dt;
+ frames = 0;
+ prev_upd = time_msec;
+ }
+
+ print_text(win_width - 80, 20, 1.0, 0.8, 0.1, "fps: %ld.%ld", fps >> 8, ((fps & 0xff) * 10) >> 8);
+ }
+
+ draw_osd();
}
void demo_reshape(int x, int y)
{
+ reshape_pending = 1;
+
win_width = x;
win_height = y;
win_aspect = (float)x / (float)y;
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective(50.0, win_aspect, 0.5, 500.0);
+
+ imtk_set_viewport(x, y);
}
void demo_keyboard(int key, int st)
{
- if(st && key == 27) {
- demo_quit();
- return;
+ if(st) {
+ switch(key) {
+ case 27:
+ demo_quit();
+ return;
+
+ case '`':
+ dbgui ^= 1;
+ break;
+ }
}
if(cur_part && cur_part->keyboard) {