Better naming algorithm for objects in scene export

[libs/gl.git] / source / texturecube.h

diff --git a/source/texturecube.h b/source/texturecube.h
index fe343c7390630de1ad6fdc9a1f3a2cbc3ebfcdda..0882a5e31004c3cef3e129b65ff24a2671e88fc0 100644 (file)
--- a/source/texturecube.h
+++ b/source/texturecube.h
@@ -1,12 +1,10 @@
 #ifndef MSP_GL_TEXTURECUBE_H_
 #define MSP_GL_TEXTURECUBE_H_
 
+#include <msp/gl/extensions/arb_texture_cube_map.h>
 #include <msp/graphics/image.h>
-#include "datatype.h"
-#include "pixelformat.h"
 #include "texture.h"
 #include "vector.h"
-#include <msp/gl/extensions/arb_texture_cube_map.h>
 
 namespace Msp {
 namespace GL {
@@ -44,24 +42,30 @@ public:
        private:
                void init();
 
+               void external_image(TextureCubeFace, const std::string &);
                void image_data(TextureCubeFace, const std::string &);
                void raw_data(TextureCubeFace, const std::string &);
                void storage(PixelFormat, unsigned);
        };
 
 private:
-       PixelFormat ifmt;
        unsigned size;
+       unsigned levels;
        unsigned allocated;
 
+       static TextureCubeFace face_order[6];
        static Vector3 directions[6];
+       static unsigned orientations[12];
 
 public:
        TextureCube();
 
-       /** Defines storage structure for the texture.  Must be called before an
-       image can be uploaded.  Once storage is defined, it can't be changed. */
-       void storage(PixelFormat fmt, unsigned size);
+       /** Defines storage structure for the texture.  If lv is zero, the number
+       of mipmap levels is automatically determined from storage dimensions.
+
+       Must be called before an image can be uploaded.  Once storage is defined,
+       it can't be changed. */
+       void storage(PixelFormat fmt, unsigned size, unsigned lv = 0);
 
        /** Allocates storage for the cube faces.  The contents are initially
        undefined.  If storage has already been allocated, does nothing. */
@@ -82,15 +86,20 @@ public:
 
        void image(TextureCubeFace, const Graphics::Image &, bool = false);
 
+       virtual void image(const Graphics::Image &, bool = false);
+
        unsigned get_size() const { return size; }
 private:
-       unsigned get_level_size(unsigned);
+       unsigned get_n_levels() const;
+       unsigned get_level_size(unsigned) const;
 
 public:
        /** Translates indices into face constants.  Valid indices are between 0
        and 5, inclusive. */
        static TextureCubeFace enumerate_faces(unsigned);
 
+       static unsigned get_face_index(TextureCubeFace);
+
        /** Returns a vector pointing out of the face. */
        static const Vector3 &get_face_direction(TextureCubeFace);
 
@@ -103,7 +112,7 @@ public:
        /** Returns a vector pointing to the center a texel. */
        Vector3 get_texel_direction(TextureCubeFace, unsigned, unsigned);
 
-       virtual AsyncLoader *load(IO::Seekable &) { return 0; }
+       virtual AsyncLoader *load(IO::Seekable &, const Resources * = 0) { return 0; }
        virtual UInt64 get_data_size() const;
        virtual void unload() { }
 };