X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=src%2Fdemo.c;h=a27d86c4f91b64f68821dc39268ad22634ffa7fc;hb=8e783a58d1e21ace04fd6d7ed00158e65bd78040;hp=d0b11271e08f0c789c4525a1e3d44c5c2ef7c690;hpb=6a752049e496c93a61e0130348f71888583d743c;p=demo_prior

diff --git a/src/demo.c b/src/demo.c
index d0b1127..a27d86c 100644
--- a/src/demo.c
+++ b/src/demo.c
@@ -2,6 +2,12 @@
 #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);
 
@@ -9,6 +15,13 @@ int win_width, win_height;
 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)
 {
@@ -20,8 +33,31 @@ 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();
 
@@ -40,15 +76,27 @@ void demo_cleanup(void)
 {
 	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;
@@ -75,10 +123,39 @@ void demo_display(void)
 		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;
@@ -88,13 +165,22 @@ void demo_reshape(int x, int 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) {