-#include <config.h>
+// 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 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
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// 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, 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 <assert.h>
#include <iostream>
#include <sstream>
#include <stdexcept>
+
+#include "math/rect.hpp"
#include "physfs/physfs_sdl.hpp"
-#include "image_texture.hpp"
-#include "glutil.hpp"
-#include "file_system.hpp"
-#include "msg.hpp"
+#include "util/file_system.hpp"
+#include "util/log.hpp"
+#include "video/sdl_surface_ptr.hpp"
+#include "video/texture.hpp"
+#include "video/video_system.hpp"
-TextureManager* texture_manager = NULL;
+#ifdef HAVE_OPENGL
+#include "video/gl/gl_texture.hpp"
+#endif
-TextureManager::TextureManager()
+TextureManager::TextureManager() :
+ m_image_textures()
+ ,m_surfaces()
+#ifdef HAVE_OPENGL
+ ,m_textures(),
+ m_saved_textures()
+#endif
{
}
TextureManager::~TextureManager()
{
- for(ImageTextures::iterator i = image_textures.begin();
- i != image_textures.end(); ++i) {
- if(i->second == NULL)
- continue;
- msg_warning << "Texture '" << i->first << "' not freed" << std::endl;
- delete i->second;
+ for(ImageTextures::iterator i = m_image_textures.begin(); i != m_image_textures.end(); ++i)
+ {
+ if(!i->second.expired())
+ {
+ log_warning << "Texture '" << i->first << "' not freed" << std::endl;
+ }
+ }
+ m_image_textures.clear();
+
+ for(auto& surface : m_surfaces)
+ {
+ SDL_FreeSurface(surface.second);
}
+ m_surfaces.clear();
}
-ImageTexture*
+TexturePtr
TextureManager::get(const std::string& _filename)
{
std::string filename = FileSystem::normalize(_filename);
- ImageTextures::iterator i = image_textures.find(filename);
+ ImageTextures::iterator i = m_image_textures.find(filename);
- ImageTexture* texture = NULL;
- if(i != image_textures.end())
- texture = i->second;
+ TexturePtr texture;
+ if(i != m_image_textures.end())
+ texture = i->second.lock();
- if(texture == NULL) {
+ if(!texture) {
texture = create_image_texture(filename);
- image_textures[filename] = texture;
+ texture->cache_filename = filename;
+ m_image_textures[filename] = texture;
}
return texture;
}
+TexturePtr
+TextureManager::get(const std::string& _filename, const Rect& rect)
+{
+ std::string filename = FileSystem::normalize(_filename);
+ // FIXME: implement caching
+ return create_image_texture(filename, rect);
+}
+
void
-TextureManager::release(ImageTexture* texture)
+TextureManager::reap_cache_entry(const std::string& filename)
{
- image_textures.erase(texture->filename);
- delete texture;
+ ImageTextures::iterator i = m_image_textures.find(filename);
+ assert(i != m_image_textures.end());
+ assert(i->second.expired());
+ m_image_textures.erase(i);
}
+#ifdef HAVE_OPENGL
void
-TextureManager::register_texture(Texture* texture)
+TextureManager::register_texture(GLTexture* texture)
{
- textures.insert(texture);
+ m_textures.insert(texture);
}
void
-TextureManager::remove_texture(Texture* texture)
+TextureManager::remove_texture(GLTexture* texture)
{
- textures.erase(texture);
+ m_textures.erase(texture);
}
+#endif
-static inline int next_power_of_two(int val)
+TexturePtr
+TextureManager::create_image_texture(const std::string& filename, const Rect& rect)
{
- int result = 1;
- while(result < val)
- result *= 2;
- return result;
+ try
+ {
+ return create_image_texture_raw(filename, rect);
+ }
+ catch(const std::exception& err)
+ {
+ log_warning << "Couldn't load texture '" << filename << "' (now using dummy texture): " << err.what() << std::endl;
+ return create_dummy_texture();
+ }
}
-ImageTexture*
+TexturePtr
+TextureManager::create_image_texture_raw(const std::string& filename, const Rect& rect)
+{
+ SDL_Surface *image = nullptr;
+
+ Surfaces::iterator i = m_surfaces.find(filename);
+ if (i != m_surfaces.end())
+ {
+ image = i->second;
+ }
+ else
+ {
+ image = IMG_Load_RW(get_physfs_SDLRWops(filename), 1);
+ if (!image)
+ {
+ std::ostringstream msg;
+ msg << "Couldn't load image '" << filename << "' :" << SDL_GetError();
+ throw std::runtime_error(msg.str());
+ }
+
+ m_surfaces[filename] = image;
+ }
+
+ SDL_PixelFormat* format = image->format;
+ if(format->Rmask == 0 && format->Gmask == 0 && format->Bmask == 0 && format->Amask == 0) {
+ log_warning << "Wrong surface format for image " << filename << ". Compensating." << std::endl;
+ image = SDL_ConvertSurfaceFormat(image, SDL_PIXELFORMAT_RGBA8888, 0);
+ }
+
+ SDLSurfacePtr subimage(SDL_CreateRGBSurfaceFrom(static_cast<uint8_t*>(image->pixels) +
+ rect.top * image->pitch +
+ rect.left * image->format->BytesPerPixel,
+ rect.get_width(), rect.get_height(),
+ image->format->BitsPerPixel,
+ image->pitch,
+ image->format->Rmask,
+ image->format->Gmask,
+ image->format->Bmask,
+ image->format->Amask));
+ if (!subimage)
+ {
+ throw std::runtime_error("SDL_CreateRGBSurfaceFrom() call failed");
+ }
+
+#ifdef OLD_SDL
+ if (image->format->palette)
+ { // copy the image palette to subimage if present
+ SDL_SetSurfacePalette(subimage.get(), image->format->palette->colors);
+ }
+#endif
+
+ return VideoSystem::current()->new_texture(subimage.get());
+}
+
+TexturePtr
TextureManager::create_image_texture(const std::string& filename)
{
- SDL_Surface* image = IMG_Load_RW(get_physfs_SDLRWops(filename), 1);
- if(image == NULL) {
+ try
+ {
+ return create_image_texture_raw(filename);
+ }
+ catch (const std::exception& err)
+ {
+ log_warning << "Couldn't load texture '" << filename << "' (now using dummy texture): " << err.what() << std::endl;
+ return create_dummy_texture();
+ }
+}
+
+TexturePtr
+TextureManager::create_image_texture_raw(const std::string& filename)
+{
+ SDLSurfacePtr image(IMG_Load_RW(get_physfs_SDLRWops(filename), 1));
+ if (!image)
+ {
std::ostringstream msg;
msg << "Couldn't load image '" << filename << "' :" << SDL_GetError();
throw std::runtime_error(msg.str());
}
+ else
+ {
+ TexturePtr texture = VideoSystem::current()->new_texture(image.get());
+ image.reset(NULL);
+ return texture;
+ }
+}
- 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
+TexturePtr
+TextureManager::create_dummy_texture()
+{
+ const std::string dummy_texture_fname = "images/engine/missing.png";
- 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;
+ // on error, try loading placeholder file
+ try
+ {
+ TexturePtr tex = create_image_texture_raw(dummy_texture_fname);
+ return tex;
+ }
+ catch (const std::exception& err)
+ {
+ // on error (when loading placeholder), try using empty surface,
+ // when that fails to, just give up
+ SDLSurfacePtr image(SDL_CreateRGBSurface(0, 1024, 1024, 8, 0, 0, 0, 0));
+ if (!image)
+ {
+ throw;
+ }
+ else
+ {
+ log_warning << "Couldn't load texture '" << dummy_texture_fname << "' (now using empty one): " << err.what() << std::endl;
+ TexturePtr texture = VideoSystem::current()->new_texture(image.get());
+ image.reset(NULL);
+ return texture;
+ }
+ }
}
+#ifdef HAVE_OPENGL
void
TextureManager::save_textures()
{
+#if defined(GL_PACK_ROW_LENGTH) || defined(USE_GLBINDING)
+ /* 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) {
+
+ for(Textures::iterator i = m_textures.begin(); i != m_textures.end(); ++i)
+ {
save_texture(*i);
}
- for(ImageTextures::iterator i = image_textures.begin();
- i != image_textures.end(); ++i) {
- save_texture(i->second);
+
+ for(ImageTextures::iterator i = m_image_textures.begin();
+ i != m_image_textures.end(); ++i)
+ {
+ GLTexture* texture = dynamic_cast<GLTexture*>(i->second.lock().get());
+ if(texture == NULL)
+ continue;
+
+ save_texture(texture);
}
}
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,
- (GLint*)&saved_texture.width);
+ &saved_texture.width);
glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_HEIGHT,
- (GLint*)&saved_texture.height);
+ &saved_texture.height);
glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_BORDER,
- (GLint*)&saved_texture.border);
+ &saved_texture.border);
glGetTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
- (GLint*)&saved_texture.min_filter);
+ &saved_texture.min_filter);
glGetTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER,
- (GLint*)&saved_texture.mag_filter);
+ &saved_texture.mag_filter);
glGetTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S,
- (GLint*)&saved_texture.wrap_s);
+ &saved_texture.wrap_s);
glGetTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T,
- (GLint*)&saved_texture.wrap_t);
+ &saved_texture.wrap_t);
size_t pixelssize = saved_texture.width * saved_texture.height * 4;
saved_texture.pixels = new char[pixelssize];
-
+
glGetTexImage(GL_TEXTURE_2D, 0, GL_RGBA, GL_UNSIGNED_BYTE,
saved_texture.pixels);
+#endif
- saved_textures.push_back(saved_texture);
+ m_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");
+ assert_gl("retrieving texture for save");
}
void
TextureManager::reload_textures()
{
+#if defined(GL_UNPACK_ROW_LENGTH) || defined(USE_GLBINDING)
+ /* 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();
- i != saved_textures.end(); ++i) {
+
+ for(std::vector<SavedTexture>::iterator i = m_saved_textures.begin();
+ i != m_saved_textures.end(); ++i) {
SavedTexture& saved_texture = *i;
-
+
GLuint handle;
glGenTextures(1, &handle);
assert_gl("creating texture handle");
glBindTexture(GL_TEXTURE_2D, handle);
- glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA,
+ glTexImage2D(GL_TEXTURE_2D, 0, static_cast<GLint>(GL_RGBA),
saved_texture.width, saved_texture.height,
saved_texture.border, GL_RGBA,
GL_UNSIGNED_BYTE, saved_texture.pixels);
saved_texture.wrap_t);
assert_gl("setting texture_params");
- saved_texture.texture->handle = handle;
+ saved_texture.texture->set_handle(handle);
}
- saved_textures.clear();
+ m_saved_textures.clear();
}
+#endif
+/* EOF */