X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;ds=sidebyside;f=src%2Fpart_whitted.c;h=6c176b4c41e7099a359d44befd87a0458e1ca528;hb=HEAD;hp=be0152cc285f0415d161d98684968fbec0a4b3ef;hpb=44a7a61d2bec54ed741930572e63e5015326daca;p=demo_prior

diff --git a/src/part_whitted.c b/src/part_whitted.c
index be0152c..6c176b4 100644
--- a/src/part_whitted.c
+++ b/src/part_whitted.c
@@ -2,6 +2,9 @@
 #include "demo.h"
 #include "part.h"
 #include "sdr.h"
+#include "texture.h"
+#include "post.h"
+#include "imtk.h"
 
 static int init(void);
 static void destroy(void);
@@ -23,7 +26,7 @@ static struct demo_part part = {
 	mbutton, mmotion
 };
 
-static float cam_theta, cam_phi = 15, cam_dist = 6;
+static float cam_theta, cam_phi, cam_dist = 6;
 
 static int bnstate[8];
 static int mouse_x, mouse_y;
@@ -31,6 +34,9 @@ static int mouse_x, mouse_y;
 static unsigned int sdr;
 static int uloc_aspect;
 
+static struct texture *dbgtex;
+static float dbg_alpha;
+
 
 void reg_whitted(void)
 {
@@ -44,11 +50,15 @@ static int init(void)
 		return -1;
 	}
 	uloc_aspect = get_uniform_loc(sdr, "aspect");
+
+	dbgtex = load_texture("data/dbg_whitted.jpg");
+
 	return 0;
 }
 
 static void destroy(void)
 {
+	free_texture(dbgtex);
 }
 
 static void start(void)
@@ -61,6 +71,11 @@ static void stop(void)
 
 static void draw(long tm)
 {
+	static float vgn_offset = 0.47;
+	static float vgn_sharp = 3.1;
+
+	glDisable(GL_DEPTH_TEST);
+
 	glMatrixMode(GL_MODELVIEW);
 	glLoadIdentity();
 	/*
@@ -85,6 +100,37 @@ static void draw(long tm)
 	glTexCoord2f(0, 1);
 	glVertex2f(-1, 1);
 	glEnd();
+
+	vignette(0.15, 0.05, 0.15, vgn_offset, vgn_sharp);
+
+	if(dbgtex && dbg_alpha > 0.0) {
+		glUseProgram(0);
+		glMatrixMode(GL_TEXTURE);
+		glLoadIdentity();
+		glScalef(1, -1, 1);
+		overlay_tex(dbgtex, dbg_alpha);
+		glMatrixMode(GL_TEXTURE);
+		glLoadIdentity();
+	}
+
+	if(dbgui) {
+		glUseProgram(0);
+
+		imtk_begin();
+		imtk_layout_start(10, 20);
+		imtk_layout_spacing(10);
+
+		imtk_layout_dir(IMTK_HORIZONTAL);
+
+		imtk_label("offset:", IMTK_AUTO, IMTK_AUTO);
+		vgn_offset = imtk_slider(IMUID, vgn_offset, 0.0, 1.5, IMTK_AUTO, IMTK_AUTO);
+		imtk_layout_newline();
+
+		imtk_label("sharpness:", IMTK_AUTO, IMTK_AUTO);
+		vgn_sharp = imtk_slider(IMUID, vgn_sharp, 0, 10, IMTK_AUTO, IMTK_AUTO);
+		imtk_layout_newline();
+		imtk_end();
+	}
 }
 
 static void mbutton(int bn, int st, int x, int y)
@@ -92,6 +138,21 @@ static void mbutton(int bn, int st, int x, int y)
 	bnstate[bn] = st;
 	mouse_x = x;
 	mouse_y = y;
+
+	switch(bn) {
+	case 0:
+		if(imtk_layout_contains(x, y)) {
+			imtk_inp_mouse(bn, st);
+		}
+		break;
+	case 3:
+		dbg_alpha += 0.1;
+		if(dbg_alpha > 1.0) dbg_alpha = 1.0;
+		break;
+	case 4:
+		dbg_alpha -= 0.1;
+		if(dbg_alpha < 0.0) dbg_alpha = 0.0;
+	}
 }
 
 static void mmotion(int x, int y)
@@ -103,6 +164,11 @@ static void mmotion(int x, int y)
 
 	if(!(dx | dy)) return;
 
+	if(imtk_layout_contains(x, y)) {
+		imtk_inp_motion(x, y);
+		return;
+	}
+
 	if(bnstate[0]) {
 		cam_theta += dx * 0.5;
 		cam_phi += dy * 0.5;