reprap: Deleted example board

[simavr] / examples / shared / libc3 / src / c3context.h

diff --git a/examples/shared/libc3/src/c3context.h b/examples/shared/libc3/src/c3context.h
index f659cf8..fc3c4d1 100644 (file)
--- a/examples/shared/libc3/src/c3context.h
+++ b/examples/shared/libc3/src/c3context.h
@@ -3,20 +3,20 @@
 
        Copyright 2008-2012 Michel Pollet <buserror@gmail.com>
 
-       This file is part of simavr.
+       This file is part of libc3.
 
-       simavr is free software: you can redistribute it and/or modify
+       libc3 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 3 of the License, or
        (at your option) any later version.
 
-       simavr is distributed in the hope that it will be useful,
+       libc3 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 simavr.  If not, see <http://www.gnu.org/licenses/>.
+       along with libc3.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 
@@ -26,8 +26,32 @@
 #include "c3algebra.h"
 #include "c3geometry.h"
 #include "c3pixels.h"
+#include "c3program.h"
 #include "c3camera.h"
 
+enum {
+       C3_CONTEXT_VIEW_NONE = 0,
+       C3_CONTEXT_VIEW_EYE,
+       C3_CONTEXT_VIEW_LIGHT
+};
+
+typedef struct c3context_view_t {
+       int                     type : 4,                       // C3_CONTEXT_VIEW_EYE...
+                               dirty : 1,
+                               index : 4;                      // index in context array
+       c3apiobject_t   bid;                    // buffer id (fbo, texture...)
+       c3vec2          size;                           // in pixels. for fbo/textures/window
+       c3cam_t         cam;
+       c3mat4          projection;                     // projection matrix
+
+       c3geometry_array_t      projected;
+       struct {
+               c3f min, max;
+       } z;
+} c3context_view_t, *c3context_view_p;
+
+DECLARE_C_ARRAY(c3context_view_t, c3context_view_array, 4);
+
 //! c3context_t is a container for a 'scene' to be drawn
 /*!
  * A c3context_t holds a root object, a list of already cached projected
@@ -36,16 +60,15 @@
  * This is a wrapper around a "top level object", the list of projected
  * geometries is kept, purged and resorted if the root object becomes
  * dirty
- * TODO: Add the camera/eye/arcball control there
  */
 typedef struct c3context_t {
-       c3vec2          size;
-       c3cam           cam;
+       int     current;
+       c3context_view_array_t  views;
 
        struct c3object_t * root;       // root object
-       c3pixels_array_t        pixels; // pixels, textures...
 
-       c3geometry_array_t      projected;
+       c3pixels_array_t        pixels; // pixels, textures...
+       c3program_array_t       programs;       // fragment, vertex, geometry shaders
 
        const struct c3driver_context_t ** driver;
 } c3context_t, *c3context_p;
@@ -69,7 +92,7 @@ c3context_dispose(
                c3context_p c);
 
 //! Reproject geometry for dirty objects
-void
+int
 c3context_project(
                c3context_p c);
 //! Draws the context
@@ -77,4 +100,36 @@ void
 c3context_draw(
                c3context_p c);
 
+IMPLEMENT_C_ARRAY(c3context_view_array);
+
+/*
+ * Set and get the current view, this is done
+ * before projecting and drawing
+ */
+static inline c3context_view_p
+c3context_view_get(
+               c3context_p c )
+{
+       return &c->views.e[c->current];
+}
+
+static inline c3context_view_p
+c3context_view_get_at(
+               c3context_p c,
+               int view)
+{
+       if (view < c->views.count)
+               return &c->views.e[view];
+       return NULL;
+}
+
+static inline void
+c3context_view_set(
+               c3context_p c,
+               int view)
+{
+       if (view < c->views.count)
+               c->current = view;
+}
+
 #endif /* __C3CONTEXT_H___ */