new render target class while working on the exhibit UI

[laserbrain_demo] / src / texture.cc

diff --git a/src/texture.cc b/src/texture.cc
index ff4d1b5..ed34798 100644 (file)
--- a/src/texture.cc
+++ b/src/texture.cc
@@ -43,6 +43,17 @@ void bind_texture(Texture *tex, int tunit)
        }
 }
 
+int next_pow2(int x)
+{
+       x--;
+       x = (x >> 1) | x;
+       x = (x >> 2) | x;
+       x = (x >> 4) | x;
+       x = (x >> 8) | x;
+       x = (x >> 16) | x;
+       return x + 1;
+}
+
 
 Image *Texture::default_img;
 
@@ -126,6 +137,16 @@ int Texture::get_size(int dim) const
        return sz[dim];
 }
 
+int Texture::get_width() const
+{
+       return sz[0];
+}
+
+int Texture::get_height() const
+{
+       return sz[1];
+}
+
 unsigned int Texture::get_id() const
 {
        return id;