1 files changed, 116 insertions, 0 deletions
diff --git a/opengl/modules/pdp_3d_subcontext.c b/opengl/modules/pdp_3d_subcontext.c
new file mode 100644
index 0000000..11017e2
--- /dev/null
+++ b/opengl/modules/pdp_3d_subcontext.c
@@ -0,0 +1,116 @@
+/*
+ *   Pure Data Packet module.
+ *   Copyright (c) by Tom Schouten <pdp@zzz.kotnet.org>
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+
+
+#include <GL/gl.h>
+#include "pdp_opengl.h"
+#include "pdp_3dp_base.h"
+
+typedef struct pdp_3d_subcontext_struct
+{
+    t_pdp_3dp_base x_base;
+    int x_width;
+    int x_height;
+
+} t_pdp_3d_subcontext;
+
+
+
+static void pdp_3d_subcontext_process_right(t_pdp_3d_subcontext *x)
+{
+    int p = pdp_3dp_base_get_context_packet(x);
+    if (-1 != p){
+
+	/* set subdims */
+	pdp_packet_3Dcontext_set_subwidth(p, x->x_width);
+	pdp_packet_3Dcontext_set_subheight(p, x->x_height);
+
+	/* reinit everything */
+	pdp_packet_3Dcontext_set_rendering_context(p);
+	pdp_packet_3Dcontext_setup_3d_context(p);
+
+    }
+}
+static void pdp_3d_subcontext_process_left(t_pdp_3d_subcontext *x)
+{
+    int p = pdp_3dp_base_get_context_packet(x);
+    if (-1 != p){
+      
+	/* restore subdims */
+	pdp_packet_3Dcontext_set_subwidth(p, pdp_packet_3Dcontext_width(p));
+	pdp_packet_3Dcontext_set_subheight(p, pdp_packet_3Dcontext_height(p));
+
+	/* re-init everything */
+	pdp_packet_3Dcontext_set_rendering_context(p);
+	pdp_packet_3Dcontext_setup_3d_context(p);
+
+    }
+
+}
+
+t_class *pdp_3d_subcontext_class;
+
+
+
+void pdp_3d_subcontext_free(t_pdp_3d_subcontext *x)
+{
+    pdp_3dp_base_free(x);
+}
+
+void *pdp_3d_subcontext_new(t_floatarg w, t_floatarg h)
+{
+    t_pdp_3d_subcontext *x = (t_pdp_3d_subcontext *)pd_new(pdp_3d_subcontext_class);
+
+    /* super init */
+    pdp_3dp_base_init(x);
+
+
+    /* create dpd outlets */
+    pdp_3dp_base_add_outlet(x, (t_pdp_method)pdp_3d_subcontext_process_left, 0);
+    pdp_3dp_base_add_outlet(x, (t_pdp_method)pdp_3d_subcontext_process_right, 0);
+
+    x->x_width = (w < 0) ? 64 : w;
+    x->x_height = (h < 0) ? 64 : h;
+
+    return (void *)x;
+}
+
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+void pdp_3d_subcontext_setup(void)
+{
+
+
+    pdp_3d_subcontext_class = class_new(gensym("3dp_subcontext"), (t_newmethod)pdp_3d_subcontext_new,
+    	(t_method)pdp_3d_subcontext_free, sizeof(t_pdp_3d_subcontext), 0, A_FLOAT, A_FLOAT, A_NULL);
+
+    pdp_3dp_base_setup(pdp_3d_subcontext_class);
+
+}
+
+#ifdef __cplusplus
+}
+#endif