X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=src%2Fpart_whitted.c;h=6c176b4c41e7099a359d44befd87a0458e1ca528;hb=HEAD;hp=7154abf7ce15fef40bcd34fc61d9336795fbaa42;hpb=6a752049e496c93a61e0130348f71888583d743c;p=demo_prior

diff --git a/src/part_whitted.c b/src/part_whitted.c
index 7154abf..6c176b4 100644
--- a/src/part_whitted.c
+++ b/src/part_whitted.c
@@ -1,6 +1,10 @@
 #include "opengl.h"
 #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);
@@ -10,10 +14,6 @@ static void draw(long tm);
 static void mbutton(int bn, int st, int x, int y);
 static void mmotion(int x, int y);
 
-static float cam_theta, cam_phi, cam_dist = 8;
-
-static int bnstate[8];
-static int mouse_x, mouse_y;
 
 static struct demo_part part = {
 	"whitted",
@@ -26,6 +26,18 @@ static struct demo_part part = {
 	mbutton, mmotion
 };
 
+static float cam_theta, cam_phi, cam_dist = 6;
+
+static int bnstate[8];
+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)
 {
 	add_part(&part);
@@ -34,11 +46,19 @@ void reg_whitted(void)
 
 static int init(void)
 {
+	if(!(sdr = create_program_load("sdr/whitted.v.glsl", "sdr/whitted.p.glsl"))) {
+		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)
@@ -51,18 +71,66 @@ 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();
+	/*
 	glTranslatef(0, 0, -cam_dist);
 	glRotatef(cam_phi, 1, 0, 0);
 	glRotatef(cam_theta, 0, 1, 0);
+	*/
+	glRotatef(-cam_theta, 0, 1, 0);
+	glRotatef(-cam_phi, 1, 0, 0);
+	glTranslatef(0, 0, cam_dist);
+
+	glUseProgram(sdr);
+	glUniform1f(uloc_aspect, win_aspect);
+
+	glBegin(GL_QUADS);
+	glTexCoord2f(0, 0);
+	glVertex2f(-1, -1);
+	glTexCoord2f(1, 0);
+	glVertex2f(1, -1);
+	glTexCoord2f(1, 1);
+	glVertex2f(1, 1);
+	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);
 
-	glEnable(GL_LIGHTING);
-	glEnable(GL_LIGHT0);
+		imtk_layout_dir(IMTK_HORIZONTAL);
 
-	glFrontFace(GL_CW);
-	glutSolidTeapot(1.0);
-	glFrontFace(GL_CCW);
+		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)
@@ -70,6 +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)
@@ -81,6 +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;