X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=src%2Fscr%2Ftesta.c;h=5bf2e62901149b28237c25762bcc9277c260127b;hb=24570f00867a5df166103927da87f6f619cdec8a;hp=876ea519b68f591f350ab927643c002e005571fc;hpb=ef6f5c2822eb91ea7df55e88018f566be04ad287;p=andemo

diff --git a/src/scr/testa.c b/src/scr/testa.c
index 876ea51..5bf2e62 100644
--- a/src/scr/testa.c
+++ b/src/scr/testa.c
@@ -1,6 +1,48 @@
-#include "demosys.h"
-#include "opengl.h"
+#include "demo.h"
+#include "noise.h"
+#include "cgmath/cgmath.h"
+
+static int init(void);
+static void destroy(void);
+static void draw(void);
+
+static unsigned int sdr_foo;
+
+static struct demoscreen scr = { "testa", init, destroy, 0, 0, 0, 0, draw };
 
 void regscr_testa(void)
 {
+	dsys_add_screen(&scr);
+}
+
+static int init(void)
+{
+	if(!(sdr_foo = get_sdrprog("sdr/foo.v.glsl", "sdr/foo-notex.p.glsl"))) {
+		return -1;
+	}
+	return 0;
+}
+
+static void destroy(void)
+{
+}
+
+static void draw(void)
+{
+	int i;
+	float t = dsys.tmsec / 1000.0f;
+	float gap = cgm_lerp(0, 0.01, scr.vis);
+
+	glUseProgram(sdr_foo);
+	gl_begin(GL_QUADS);
+	for(i=0; i<16; i++) {
+		float x0 = i / 8.0f - 1.0f + gap;
+		float x1 = (i + 1) / 8.0f - 1.0f - gap;
+		float y = cgm_lerp(1.0f, noise2((float)i * 1.24f, t), scr.vis);
+		gl_vertex2f(x0, -1);
+		gl_vertex2f(x1, -1);
+		gl_vertex2f(x1, y);
+		gl_vertex2f(x0, y);
+	}
+	gl_end();
 }