-// $Id$
-//
// SuperTux
// Copyright (C) 2006 Matthias Braun <matze@braunis.de>
//
-// This program is free software; you can redistribute it and/or
-// modify it under the terms of the GNU General Public License
-// as published by the Free Software Foundation; either version 2
-// of the License, or (at your option) any later version.
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
-// along with this program; if not, write to the Free Software
-// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
-#include <config.h>
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
-#include "texture_manager.hpp"
+#include "video/texture_manager.hpp"
-#include <assert.h>
-#include <SDL.h>
#include <SDL_image.h>
-#include <GL/gl.h>
-#include <GL/glext.h>
#include <iostream>
-#include <sstream>
-#include <stdexcept>
+
#include "physfs/physfs_sdl.hpp"
-#include "image_texture.hpp"
-#include "glutil.hpp"
-#include "file_system.hpp"
-#include "log.hpp"
+#include "util/file_system.hpp"
+#include "util/log.hpp"
+#include "video/gl/gl_texture.hpp"
+#include "video/video_systems.hpp"
TextureManager* texture_manager = NULL;
}
}
-ImageTexture*
+Texture*
TextureManager::get(const std::string& _filename)
{
std::string filename = FileSystem::normalize(_filename);
ImageTextures::iterator i = image_textures.find(filename);
- ImageTexture* texture = NULL;
+ Texture* texture = NULL;
if(i != image_textures.end())
texture = i->second;
}
void
-TextureManager::release(ImageTexture* texture)
+TextureManager::release(Texture* texture)
{
- image_textures.erase(texture->filename);
+ image_textures.erase(texture->get_filename());
delete texture;
}
+#ifdef HAVE_OPENGL
void
-TextureManager::register_texture(Texture* texture)
+TextureManager::register_texture(GLTexture* texture)
{
textures.insert(texture);
}
void
-TextureManager::remove_texture(Texture* texture)
+TextureManager::remove_texture(GLTexture* texture)
{
textures.erase(texture);
}
+#endif
-static inline int next_power_of_two(int val)
-{
- int result = 1;
- while(result < val)
- result *= 2;
- return result;
-}
-
-ImageTexture*
+Texture*
TextureManager::create_image_texture(const std::string& filename)
{
- SDL_Surface* image = IMG_Load_RW(get_physfs_SDLRWops(filename), 1);
- if(image == NULL) {
- std::ostringstream msg;
- msg << "Couldn't load image '" << filename << "' :" << SDL_GetError();
- throw std::runtime_error(msg.str());
- }
-
- int texture_w = next_power_of_two(image->w);
- int texture_h = next_power_of_two(image->h);
-
-#if SDL_BYTEORDER == SDL_BIG_ENDIAN
- SDL_Surface* convert = SDL_CreateRGBSurface(SDL_SWSURFACE,
- texture_w, texture_h, 32,
- 0xff000000, 0x00ff0000, 0x0000ff00, 0x000000ff);
-#else
- SDL_Surface* convert = SDL_CreateRGBSurface(SDL_SWSURFACE,
- texture_w, texture_h, 32,
- 0x000000ff, 0x0000ff00, 0x00ff0000, 0xff000000);
-#endif
-
- if(convert == 0)
- throw std::runtime_error("Couldn't create texture: out of memory");
-
- SDL_SetAlpha(image, 0, 0);
- SDL_BlitSurface(image, 0, convert, 0);
-
- ImageTexture* result = NULL;
try {
- result = new ImageTexture(convert);
- result->filename = filename;
- result->image_width = image->w;
- result->image_height = image->h;
- } catch(...) {
- delete result;
- SDL_FreeSurface(convert);
- throw;
- }
- SDL_FreeSurface(convert);
- return result;
+ SDL_Surface* image = IMG_Load_RW(get_physfs_SDLRWops(filename), 1);
+ if(image == 0) {
+ std::ostringstream msg;
+ msg << "Couldn't load image '" << filename << "' :" << SDL_GetError();
+ throw std::runtime_error(msg.str());
+ }
+
+ Texture* result = 0;
+ try {
+ result = new_texture(image);
+ result->set_filename(filename);
+ } catch(...) {
+ delete result;
+ SDL_FreeSurface(image);
+ throw;
+ }
+
+ SDL_FreeSurface(image);
+ return result;
+
+ } catch (const std::runtime_error& err) {
+ const std::string dummy_texture_fname = "images/engine/missing.png";
+ if (filename == dummy_texture_fname) throw err;
+
+ // on error, try loading placeholder file
+ try {
+
+ Texture* tex = create_image_texture(dummy_texture_fname);
+ log_warning << "Couldn't load texture '" << filename << "' (now using dummy texture): " << err.what() << std::endl;
+ return tex;
+
+ } catch (...) {
+
+ // on error (when loading placeholder), try using empty surface
+ try {
+
+ SDL_Surface* image = SDL_CreateRGBSurface(0, 1024, 1024, 8, 0, 0, 0, 0);
+ if(image == 0) {
+ throw err;
+ }
+
+ Texture* result = 0;
+ try {
+ result = new_texture(image);
+ result->set_filename("-dummy-texture-.png");
+ } catch(...) {
+ delete result;
+ SDL_FreeSurface(image);
+ throw err;
+ }
+
+ SDL_FreeSurface(image);
+ log_warning << "Couldn't load texture '" << filename << "' (now using empty one): " << err.what() << std::endl;
+ return result;
+
+ // on error (when trying to use empty surface), give up
+ } catch (const std::runtime_error& err) {
+ throw err;
+ }
+ }
+ }
}
+#ifdef HAVE_OPENGL
void
TextureManager::save_textures()
{
+#ifdef GL_PACK_ROW_LENGTH
+ /* all this stuff is not support by OpenGL ES */
glPixelStorei(GL_PACK_ROW_LENGTH, 0);
glPixelStorei(GL_PACK_IMAGE_HEIGHT, 0);
glPixelStorei(GL_PACK_SKIP_PIXELS, 0);
glPixelStorei(GL_PACK_SKIP_ROWS, 0);
glPixelStorei(GL_PACK_SKIP_IMAGES, 0);
+#endif
+
glPixelStorei(GL_PACK_ALIGNMENT, 1);
for(Textures::iterator i = textures.begin(); i != textures.end(); ++i) {
save_texture(*i);
}
for(ImageTextures::iterator i = image_textures.begin();
i != image_textures.end(); ++i) {
- save_texture(i->second);
+ save_texture(dynamic_cast<GLTexture *>(i->second));
}
}
void
-TextureManager::save_texture(Texture* texture)
+TextureManager::save_texture(GLTexture* texture)
{
SavedTexture saved_texture;
saved_texture.texture = texture;
glBindTexture(GL_TEXTURE_2D, texture->get_handle());
+
+ //this doesn't work with OpenGL ES (but we don't need it on the GP2X anyway)
+#ifndef GL_VERSION_ES_CM_1_0
glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_WIDTH,
&saved_texture.width);
glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_HEIGHT,
glGetTexImage(GL_TEXTURE_2D, 0, GL_RGBA, GL_UNSIGNED_BYTE,
saved_texture.pixels);
+#endif
saved_textures.push_back(saved_texture);
- glDeleteTextures(1, &(texture->handle));
- texture->handle = 0;
+ glDeleteTextures(1, &(texture->get_handle()));
+ texture->set_handle(0);
assert_gl("retrieving texture for save");
}
void
TextureManager::reload_textures()
{
+#ifdef GL_UNPACK_ROW_LENGTH
+ /* OpenGL ES doesn't support these */
glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
glPixelStorei(GL_UNPACK_IMAGE_HEIGHT, 0);
glPixelStorei(GL_UNPACK_SKIP_PIXELS, 0);
glPixelStorei(GL_UNPACK_SKIP_ROWS, 0);
glPixelStorei(GL_UNPACK_SKIP_IMAGES, 0);
+#endif
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
for(std::vector<SavedTexture>::iterator i = saved_textures.begin();
saved_texture.wrap_t);
assert_gl("setting texture_params");
- saved_texture.texture->handle = handle;
+ saved_texture.texture->set_handle(handle);
}
saved_textures.clear();
}
+#endif
+
+/* EOF */
projects / supertux.git / blobdiff