Move filter heuristic for mipmap levels to Texture::Loader

[libs/gl.git] / source / texture3d.h

diff --git a/source/texture3d.h b/source/texture3d.h
index cf336e52b0227fb859d2125cb686f07d70db46b3..7847c2fc7b7889027fad0553aee364967e4517bf 100644 (file)
--- a/source/texture3d.h
+++ b/source/texture3d.h
@@ -30,6 +30,7 @@ private:
        unsigned width;
        unsigned height;
        unsigned depth;
+       unsigned levels;
        unsigned allocated;
 
 protected:
@@ -37,9 +38,12 @@ protected:
 public:
        Texture3D();
 
-       /** 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 wd, unsigned ht, unsigned dp);
+       /** 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 wd, unsigned ht, unsigned dp, unsigned lv = 0);
 
        /** Allocates storage for the texture.  The contents are initially
        undefined.  If storage has already been allocated, does nothing. */
@@ -67,7 +71,7 @@ public:
        height times its depth.
        
        Deprecated in favor of the base class version.*/
-       void load_image(const std::string &fn, int dp = -1);
+       DEPRECATED void load_image(const std::string &fn, int dp = -1);
 
        using Texture::load_image;
 
@@ -78,7 +82,9 @@ public:
 
        If srgb is true and storage is determined by this call, then an sRGB pixel
        format will be used. */
-       virtual void image(const Graphics::Image &, bool = false);
+       virtual void image(const Graphics::Image &, unsigned, bool = false);
+
+       using Texture::image;
 
        unsigned get_width() const { return width; }
        unsigned get_height() const { return height; }