checking in pdp 0.12.4 from http://zwizwa.fartit.com/pd/pdp/pdp-0.12.4.tar.gz

svn path=/trunk/externals/pdp/; revision=4232

1 files changed, 93 insertions, 0 deletions

diff --git a/opengl/include/pdp_texture.h b/opengl/include/pdp_texture.h
new file mode 100644
index 0000000..7a40cdd
--- /dev/null
+++ b/opengl/include/pdp_texture.h
@@ -0,0 +1,93 @@
+/*
+ *   pdp system module - texture packet type
+ *   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.
+ *
+ */
+
+#ifndef PDP_TEXTURE_H
+#define PDP_TEXTURE_H
+
+//#include <GL/gl.h>
+//#include <GL/glu.h>
+//#include <GL/glx.h>
+//#include <GL/glut.h>
+#include "pdp.h"
+
+
+
+
+
+/* TEXTURE PACKET */
+
+typedef struct
+{
+    u32 tex_obj;           /* gl texture object */
+    s32 format;            /* texture format */
+    u32 width;             /* dims */
+    u32 height;
+
+    u32 sub_width;         /* portion of texture used */
+    u32 sub_height;
+
+} t_texture;
+
+#define PDP_TEXTURE         4  /* opengl texture object */
+
+
+/* all symbols are C-style */
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+/* check if valid texture packet. all other methods assume packet is valid */
+bool pdp_packet_texture_isvalid(int packet);
+
+/* returns a pointer to the packet subheader whem the packet contains a texture */
+/* try not to use the header directly, use clone and copy methods instead */
+t_texture *pdp_packet_texture_info(int packet);
+
+/* texture constructors */
+int pdp_packet_new_texture(u32 width, u32 height, s32 format);      /* create a texture packet */
+
+
+/* texture operators */
+void pdp_packet_texture_make_current(int packet);               /* make a texture the current texture context */
+u32 pdp_packet_texture_total_width(int packet);                 /* width of texture */
+u32 pdp_packet_texture_total_height(int packet);                /* get heigth of texture */
+u32 pdp_packet_texture_sub_width(int packet);                   /* width of subtexture */
+u32 pdp_packet_texture_sub_height(int packet);                  /* heigth of subtexture */
+float pdp_packet_texture_fracx(int packet);                     /* x fraction */
+float pdp_packet_texture_fracy(int packet);                     /* y fraction */
+float pdp_packet_texture_sub_aspect(int packet);
+
+/* some utility methods */
+void pdp_packet_texture_make_current_enable(int packet);        /* make current & enable with default texture settings (for the lazy)*/
+void pdp_packet_texture_setup_2d_context(int packet);           /* set up 2d context (viewport, projection, modelview) from texture dims */
+
+
+
+
+
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif //PDP_TEXTURE_H