Rewrite Bind as two different classes

[libs/gl.git] / source / texture2d.cpp

diff --git a/source/texture2d.cpp b/source/texture2d.cpp
index c92099cedb35e79c362ab6cab25acd0d7359bd25..973afebfcf277b75d217e2d0262e83846e06e41a 100644 (file)
--- a/source/texture2d.cpp
+++ b/source/texture2d.cpp
@@ -1,12 +1,7 @@
-/* $Id$
-
-This file is part of libmspgl
-Copyright © 2007  Mikko Rasa, Mikkosoft Productions
-Distributed under the LGPL
-*/
-
+#include <msp/io/memory.h>
 #include "bindable.h"
-#include "except.h"
+#include "error.h"
+#include "pixelstore.h"
 #include "texture2d.h"
 
 using namespace std;
@@ -24,9 +19,10 @@ Texture2D::Texture2D():
 void Texture2D::storage(PixelFormat fmt, unsigned wd, unsigned ht)
 {
        if(width>0)
-               throw InvalidState("Texture storage may only be specified once");
+               throw invalid_operation("Texture2D::storage");
        if(wd==0 || ht==0)
-               throw InvalidParameterValue("Invalid texture dimensions");
+               throw invalid_argument("Texture2D::storage");
+       require_pixelformat(fmt);
 
        ifmt = fmt;
        width = wd;
@@ -43,13 +39,14 @@ void Texture2D::allocate(unsigned level)
 
 void Texture2D::image(unsigned level, PixelFormat fmt, DataType type, const void *data)
 {
-       require_storage();
+       if(width==0 || height==0)
+               throw invalid_operation("Texture2D::image");
 
        unsigned w = width;
        unsigned h = height;
        get_level_size(level, w, h);
 
-       Bind _bind(this, true);
+       BindRestore _bind(this);
        glTexImage2D(target, level, ifmt, w, h, 0, fmt, type, data);
 
        allocated |= 1<<level;
@@ -62,10 +59,12 @@ void Texture2D::image(unsigned level, PixelFormat fmt, DataType type, const void
 
 void Texture2D::sub_image(unsigned level, int x, int y, unsigned wd, unsigned ht, PixelFormat fmt, DataType type, const void *data)
 {
-       require_storage();
+       if(width==0 || height==0)
+               throw invalid_operation("Texture2D::sub_image");
+
        allocate(level);
 
-       Bind _bind(this, true);
+       BindRestore _bind(this);
        glTexSubImage2D(target, level, x, y, wd, ht, fmt, type, data);
 }
 
@@ -83,17 +82,14 @@ void Texture2D::image(const Graphics::Image &img)
        unsigned h = img.get_height();
        PixelFormat fmt = pixelformat_from_graphics(img.get_format());
        if(width==0)
-               storage(fmt, w, h);
+               storage(storage_pixelformat_from_graphics(img.get_format()), w, h);
        else if(w!=width || h!=height)
-               throw IncompatibleData("Image does not match texture storage");
+               throw incompatible_data("Texture2D::image");
 
-       image(0, fmt, UNSIGNED_BYTE, img.get_data());
-}
+       PixelStore pstore = PixelStore::from_image(img);
+       BindRestore _bind_ps(pstore);
 
-void Texture2D::require_storage()
-{
-       if(width==0 || height==0)
-               throw InvalidState("Texture storage has not been specified");
+       image(0, fmt, UNSIGNED_BYTE, img.get_data());
 }
 
 void Texture2D::get_level_size(unsigned level, unsigned &w, unsigned &h)
@@ -109,7 +105,7 @@ void Texture2D::get_level_size(unsigned level, unsigned &w, unsigned &h)
 
 
 Texture2D::Loader::Loader(Texture2D &t):
-       Texture::Loader(t)
+       DataFile::DerivedObjectLoader<Texture2D, Texture::Loader>(t)
 {
        add("image_data", &Loader::image_data);
        add("raw_data", &Loader::raw_data);
@@ -120,20 +116,20 @@ Texture2D::Loader::Loader(Texture2D &t):
 void Texture2D::Loader::image_data(const string &data)
 {
        Graphics::Image img;
-       img.load_memory(data.data(), data.size());
+       IO::Memory mem(data.data(), data.size());
+       img.load_io(mem);
 
-       static_cast<Texture2D &>(obj).image(img);
+       obj.image(img);
 }
 
 void Texture2D::Loader::raw_data(const string &data)
 {
-       Texture2D &t2d = static_cast<Texture2D &>(obj);
-       t2d.image(0, t2d.ifmt, UNSIGNED_BYTE, data.data());
+       obj.image(0, obj.ifmt, UNSIGNED_BYTE, data.data());
 }
 
 void Texture2D::Loader::storage(PixelFormat fmt, unsigned w, unsigned h)
 {
-       static_cast<Texture2D &>(obj).storage(fmt, w, h);
+       obj.storage(fmt, w, h);
 }
 
 void Texture2D::Loader::storage_b(PixelFormat fmt, unsigned w, unsigned h, unsigned)