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-rw-r--r--src/utils/sdlcheckutils.cpp184
1 files changed, 184 insertions, 0 deletions
diff --git a/src/utils/sdlcheckutils.cpp b/src/utils/sdlcheckutils.cpp
new file mode 100644
index 000000000..0d471d005
--- /dev/null
+++ b/src/utils/sdlcheckutils.cpp
@@ -0,0 +1,184 @@
+/*
+ * The ManaPlus Client
+ * Copyright (C) 2013 The ManaPlus Developers
+ *
+ * This file is part of The ManaPlus Client.
+ *
+ * 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
+ * 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 "utils/sdlcheckutils.h"
+
+#ifdef DEBUG_SDL_SURFACES
+
+#include "logger.h"
+
+#include "utils/stringutils.h"
+
+#include <map>
+
+#include <SDL_image.h>
+#include <SDL_ttf.h>
+
+#include "debug.h"
+
+// #define DEBUG_SURFACE_ALLOCATION 1
+
+struct SurfaceObject
+{
+ SurfaceObject(const std::string name, const char *const file,
+ const unsigned int line) :
+ mName(name),
+ mAddFile(strprintf("%s:%u", file, line)),
+ mRemoveFile(),
+ mCnt(1)
+ {
+ }
+
+ std::string mName;
+ std::string mAddFile;
+ std::string mRemoveFile;
+ int mCnt;
+};
+
+std::map<SDL_Surface*, SurfaceObject*> mSurfaces;
+
+static SDL_Surface *addSurface(const char *const name,
+ SDL_Surface *const surface,
+ const char *const file,
+ const unsigned line)
+{
+#ifdef DEBUG_SURFACE_ALLOCATION
+ logger->log("add surface: %s %s:%u %p", name, file, line, static_cast<void*>(surface));
+#endif
+ std::map<SDL_Surface*, SurfaceObject*>::iterator
+ it = mSurfaces.find(surface);
+ if (it != mSurfaces.end())
+ {
+ SurfaceObject *const obj = (*it).second;
+ if (obj)
+ { // found some time ago created surface
+#ifdef DEBUG_SURFACE_ALLOCATION
+ logger->log("adding existing surface: %p, count:%d\n"
+ "was add %s\nwas deleted %s", surface, obj->mCnt,
+ obj->mAddFile.c_str(), obj->mRemoveFile.c_str());
+#endif
+ obj->mCnt ++;
+ }
+ }
+ else
+ { // creating surface object
+ mSurfaces[surface] = new SurfaceObject(name, file, line);
+ }
+ return surface;
+}
+
+static void deleteSurface(const char *const name,
+ SDL_Surface *const surface,
+ const char *const file,
+ const unsigned line)
+{
+#ifdef DEBUG_SURFACE_ALLOCATION
+ logger->log("delete surface: %s %s:%u %p", name, file, line, surface);
+#endif
+ std::map<SDL_Surface*, SurfaceObject*>::iterator
+ it = mSurfaces.find(surface);
+ if (it == mSurfaces.end())
+ {
+ logger->log("bad surface delete: %p at %s:%d", surface, file, line);
+ }
+ else
+ {
+ SurfaceObject *const obj = (*it).second;
+ if (obj)
+ {
+ const int cnt = obj->mCnt;
+#ifdef DEBUG_SURFACE_ALLOCATION
+ logger->log("debug deleting surface: %p, count:%d\n"
+ "was add %s\nwas deleted %s", surface, cnt,
+ obj->mAddFile.c_str(), obj->mRemoveFile.c_str());
+#endif
+ if (cnt < 1)
+ { // surface was here but was deleted
+ logger->log("deleting already deleted surface: %p at %s:%d\n"
+ "was add %s\nwas deleted %s", surface, file, line,
+ obj->mAddFile.c_str(), obj->mRemoveFile.c_str());
+ }
+ else if (cnt == 1)
+ {
+ mSurfaces.erase(surface);
+ delete obj;
+ }
+ else
+ {
+ obj->mCnt --;
+ obj->mRemoveFile = strprintf("%s:%u", file, line);
+ }
+ }
+ }
+}
+
+SDL_Surface *FakeIMG_LoadPNG_RW(SDL_RWops *const src, const char *const file,
+ const unsigned line)
+{
+ return addSurface("IMG_LoadPNG_RW", IMG_LoadPNG_RW(src), file, line);
+}
+
+SDL_Surface *FakeIMG_Load(const char *name, const char *const file,
+ const unsigned line)
+{
+ return addSurface("IMG_Load", IMG_Load(name), file, line);
+}
+
+void FakeSDL_FreeSurface(SDL_Surface *const surface, const char *const file,
+ const unsigned line)
+{
+ deleteSurface("SDL_FreeSurface", surface, file, line);
+ SDL_FreeSurface(surface);
+}
+
+SDL_Surface *FakeSDL_CreateRGBSurface(const uint32_t flags,
+ const int width, const int height,
+ const int depth, const uint32_t rMask,
+ const uint32_t gMask,
+ const uint32_t bMask,
+ const uint32_t aMask,
+ const char *const file,
+ const unsigned line)
+{
+ return addSurface("SDL_CreateRGBSurface", SDL_CreateRGBSurface(flags,
+ width, height, depth, rMask, gMask, bMask, aMask), file, line);
+}
+
+SDL_Surface *FakeSDL_ConvertSurface(SDL_Surface *const src,
+ SDL_PixelFormat *const fmt,
+ const uint32_t flags,
+ const char *const file,
+ const unsigned line)
+{
+ return addSurface("SDL_ConvertSurface", SDL_ConvertSurface(
+ src, fmt, flags), file, line);
+}
+
+SDL_Surface *FakeTTF_RenderUTF8_Blended(_TTF_Font *const font,
+ const char *const text,
+ const SDL_Color fg,
+ const char *const file,
+ const unsigned line)
+{
+ return addSurface("TTF_RenderUTF8_Blended", TTF_RenderUTF8_Blended(
+ font, text, fg), file, line);
+}
+
+#endif // DEBUG_SDL_SURFACES