-#include "arb_texture_cube_map.h"
+#include <msp/gl/extensions/arb_texture_cube_map.h>
+#include <msp/io/memory.h>
+#include <msp/strings/format.h>
#include "bindable.h"
#include "error.h"
#include "texturecube.h"
throw invalid_operation("TextureCube::storage");
if(sz==0)
throw invalid_argument("TextureCube::storage");
+ require_pixelformat(fmt);
ifmt = fmt;
size = sz;
unsigned s = get_level_size(level);
if(s==0)
- throw invalid_argument("TextureCube::image");
+ throw out_of_range("TextureCube::image");
Bind _bind(this, true);
glTexImage2D(face, level, ifmt, s, s, 0, fmt, type, data);
}
}
+void TextureCube::image(TextureCubeFace face, const Graphics::Image &img)
+{
+ unsigned w = img.get_width();
+ unsigned h = img.get_height();
+ PixelFormat fmt = pixelformat_from_graphics(img.get_format());
+ if(size==0)
+ {
+ if(w==h)
+ storage(fmt, w);
+ else
+ throw incompatible_data("TextureCube::image");
+ }
+ else if(w!=size || h!=size)
+ throw incompatible_data("TextureCube::image");
+
+ image(face, 0, fmt, UNSIGNED_BYTE, img.get_data());
+}
+
unsigned TextureCube::get_level_size(unsigned level)
{
return size>>level;
const Vector3 &fv = get_face_direction(face);
const Vector3 &sv = get_s_direction(face);
const Vector3 &tv = get_t_direction(face);
- return Vector3(fv.x+s*sv.x, fv.y+t*tv.y, fv.z+s*sv.z+t*tv.z);
+ return fv+s*sv+t*tv;
+}
+
+
+TextureCube::Loader::Loader(TextureCube &t):
+ DataFile::DerivedObjectLoader<TextureCube, Texture::Loader>(t)
+{
+ add("image_data", &Loader::image_data);
+ add("raw_data", &Loader::raw_data);
+ add("storage", &Loader::storage);
+}
+
+void TextureCube::Loader::image_data(TextureCubeFace face, const string &data)
+{
+ Graphics::Image img;
+ IO::Memory mem(data.data(), data.size());
+ img.load_io(mem);
+
+ obj.image(face, img);
+}
+
+void TextureCube::Loader::raw_data(TextureCubeFace face, const string &data)
+{
+ obj.image(face, 0, obj.ifmt, UNSIGNED_BYTE, data.data());
+}
+
+void TextureCube::Loader::storage(PixelFormat fmt, unsigned s)
+{
+ obj.storage(fmt, s);
+}
+
+
+void operator>>(const LexicalConverter &conv, TextureCubeFace &face)
+{
+ const string &str = conv.get();
+ if(str=="POSITIVE_X")
+ face = POSITIVE_X;
+ else if(str=="NEGATIVE_X")
+ face = NEGATIVE_X;
+ else if(str=="POSITIVE_Y")
+ face = POSITIVE_Y;
+ else if(str=="NEGATIVE_Y")
+ face = NEGATIVE_Y;
+ else if(str=="POSITIVE_Z")
+ face = POSITIVE_Z;
+ else if(str=="NEGATIVE_Z")
+ face = NEGATIVE_Z;
+ else
+ throw lexical_error(format("conversion of '%s' to TextureCubeFace", str));
}
} // namespace GL