# HG changeset patch
# User John Tsiombikas <nuclear@mutantstargoat.com>
# Date 1315365905 -10800
# Node ID 14bbdfcb9030e9ec78add7f7559f613dedb99633
# Parent  2c5620f0670c975437e6de8d8e5c57165a9543b9
resource path find code

diff -r 2c5620f0670c -r 14bbdfcb9030 src/istereo.c
--- a/src/istereo.c	Wed Sep 07 05:33:19 2011 +0300
+++ b/src/istereo.c	Wed Sep 07 06:25:05 2011 +0300
@@ -5,16 +5,17 @@
 #include "istereo.h"
 #include "sanegl.h"
 #include "sdr.h"
-#include "objcsucks.h"
+#include "respath.h"
+
+static unsigned int get_shader_program(const char *vfile, const char *pfile);
 
 unsigned int prog;
 
 int init(void)
 {
-	char *path = ocs_get_path(OCS_PATH_RESOURCES);
-	chdir(path);
+	add_resource_path("sdr");
 
-	if(!(prog = create_program_load("test.v.glsl", "test.p.glsl"))) {
+	if(!(prog = get_shader_program("test.v.glsl", "test.p.glsl"))) {
 		fprintf(stderr, "failed to load shader program\n");
 		return -1;
 	}
@@ -59,3 +60,20 @@
 	gl_load_identity();
 	glu_perspective(45.0, (float)x / (float)y, 1.0, 1000.0);
 }
+
+static unsigned int get_shader_program(const char *vfile, const char *pfile)
+{
+	unsigned int prog, vs, ps;
+
+	if(!(vs = get_vertex_shader(find_resource(vfile, 0, 0)))) {
+		return -1;
+	}
+	if(!(ps = get_pixel_shader(find_resource(pfile, 0, 0)))) {
+		return -1;
+	}
+
+	if(!(prog = create_program_link(vs, ps))) {
+		return -1;
+	}
+	return prog;
+}
diff -r 2c5620f0670c -r 14bbdfcb9030 src/respath.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/respath.c	Wed Sep 07 06:25:05 2011 +0300
@@ -0,0 +1,88 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <unistd.h>
+#include "respath.h"
+
+#if defined(__IPHONE_3_0) || defined(__IPHONE_3_2) || defined(__IPHONE_4_0)
+#define IPHONE
+#include <CoreFoundation/CoreFoundation.h>
+#endif
+
+
+#ifndef IPHONE
+struct path_node {
+	char *path;
+	struct path_node *next;
+};
+
+static struct path_node *pathlist;
+
+void add_resource_path(const char *path)
+{
+	struct path_node *node = 0;
+
+	if(!(node = malloc(sizeof *node)) || !(node->path = malloc(strlen(path) + 1))) {
+		free(node);
+		fprintf(stderr, "failed to add path: %s: %s\n", path, strerror(errno));
+		return;
+	}
+	strcpy(node->path, path);
+	node->next = pathlist;
+	pathlist = node;
+}
+
+char *find_resource(const char *fname, char *path, size_t sz)
+{
+	static char buffer[1024];
+	struct path_node *node;
+
+	if(!path) {
+		path = buffer;
+		sz = sizeof buffer;
+	}
+
+	node = pathlist;
+	while(node) {
+		snprintf(path, sz, "%s/%s", node->path, fname);
+		if(access(path, F_OK) != -1) {
+			return path;
+		}
+		node = node->next;
+	}
+	return 0;
+}
+
+#else	/* IPHONE */
+
+void add_resource_path(const char *path)
+{
+}
+
+
+char *find_resource(const char *fname, char *path, size_t sz)
+{
+	static char buffer[1024];
+	CFBundleRef bundle;
+	CFURLRef url;
+	CFStringRef cfname;
+
+	cfname = CFStringCreateWithCString(0, fname, kCFStringEncodingASCII);
+
+	bundle = CFBundleGetMainBundle();
+	if(!(url = CFBundleCopyResourceURL(bundle, cfname, 0, 0))) {
+		return 0;
+	}
+
+	if(!path) {
+		path = buffer;
+		sz = sizeof buffer;
+	}
+
+	if(!CFURLGetFileSystemRepresentation(url, 1, (unsigned char*)path, sz)) {
+		return 0;
+	}
+	return path;
+}
+#endif
diff -r 2c5620f0670c -r 14bbdfcb9030 src/respath.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/respath.h	Wed Sep 07 06:25:05 2011 +0300
@@ -0,0 +1,7 @@
+#ifndef RESPATH_H_
+#define RESPATH_H_
+
+void add_resource_path(const char *path);
+char *find_resource(const char *fname, char *path, size_t sz);
+
+#endif	/* RESPATH_H_ */
diff -r 2c5620f0670c -r 14bbdfcb9030 src/sdr.c
--- a/src/sdr.c	Wed Sep 07 05:33:19 2011 +0300
+++ b/src/sdr.c	Wed Sep 07 06:25:05 2011 +0300
@@ -131,7 +131,7 @@
 {
 	unsigned int sdr;
 
-	if(!(sdr = load_shader(fname, sdr_type))) {
+	if(!fname || !(sdr = load_shader(fname, sdr_type))) {
 		return 0;
 	}
 	return sdr;