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Code Issues Releases Activity

Partial port to SPARC Linux.

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This commit is contained in:
Frank Zago
2010-02-11 05:25:17 +00:00
parent 4878371d9e
commit 68a9de5ab7
2 changed files with 31 additions and 6 deletions
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24
global.h
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@@ -360,4 +360,28 @@ extern DLL_EXPORT CLogger<5> tlog5; //gray - minor log info
throw; \
}
#if defined(linux) && defined(sparc)
/* SPARC does not support unaligned memory access. Let gcc know when
* to emit the right code. */
struct unaligned_Uint16 { ui16 val __attribute__(( packed )); };
struct unaligned_Uint32 { ui32 val __attribute__(( packed )); };
static inline ui16 read_unaligned_u16(const void *p)
{
const struct unaligned_Uint16 *v = (const struct unaligned_Uint16 *)p;
return v->val;
}
static inline ui32 read_unaligned_u32(const void *p)
{
const struct unaligned_Uint32 *v = (const struct unaligned_Uint32 *)p;
return v->val;
}
#else
#define read_unaligned_u16(p) (* reinterpret_cast<const Uint16 *>(p))
#define read_unaligned_u32(p) (* reinterpret_cast<const Uint32 *>(p))
#endif
#endif // __GLOBAL_H__

11
hch/CDefHandler.cpp
View File

@@ -97,7 +97,7 @@ void CDefHandler::openFromMemory(unsigned char *table, std::string name)
SDefEntryBlock &block = * reinterpret_cast<SDefEntryBlock *>(p);
unsigned int totalInBlock;
totalInBlock = SDL_SwapLE32(block.totalInBlock);
totalInBlock = SDL_SwapLE32(read_unaligned_u32(&block.totalInBlock));
for (unsigned int j=SEntries.size(); j<totalEntries+totalInBlock; j++)
SEntries.push_back(SEntry());
@@ -113,7 +113,7 @@ void CDefHandler::openFromMemory(unsigned char *table, std::string name)
}
for (unsigned int j=0; j<totalInBlock; j++)
{
SEntries[totalEntries+j].offset = SDL_SwapLE32(* reinterpret_cast<Uint32 *>(p));
SEntries[totalEntries+j].offset = SDL_SwapLE32(read_unaligned_u32(p));
p += 4;
}
//totalEntries+=totalInBlock;
@@ -239,7 +239,7 @@ SDL_Surface * CDefHandler::getSprite (int SIndex, const unsigned char * FDef, co
BaseOffset += sizeof(int) * SpriteHeight;
for (unsigned int i=0;i<SpriteHeight;i++)
{
BaseOffset=BaseOffsetor+RWEntriesLoc[i];
BaseOffset=BaseOffsetor + SDL_SwapLE32(read_unaligned_u32(RWEntriesLoc + i));
if (LeftMargin>0)
ftcp += LeftMargin;
@@ -283,7 +283,8 @@ SDL_Surface * CDefHandler::getSprite (int SIndex, const unsigned char * FDef, co
case 2:
{
BaseOffset = BaseOffsetor + *reinterpret_cast<const unsigned short*>( FDef + BaseOffsetor ); //was + RWEntries[0];
BaseOffset = BaseOffsetor + SDL_SwapLE16(read_unaligned_u16(FDef + BaseOffsetor));
for (unsigned int i=0;i<SpriteHeight;i++)
{
//BaseOffset = BaseOffsetor+RWEntries[i];
@@ -326,7 +327,7 @@ SDL_Surface * CDefHandler::getSprite (int SIndex, const unsigned char * FDef, co
{
for (unsigned int i=0;i<SpriteHeight;i++)
{
BaseOffset = BaseOffsetor + *(unsigned short*)( FDef + BaseOffsetor+i*2*(SpriteWidth/32) ); //was + RWEntries[i] before speedup
BaseOffset = BaseOffsetor + SDL_SwapLE16(read_unaligned_u16(FDef + BaseOffsetor+i*2*(SpriteWidth/32)));
if (LeftMargin>0)
ftcp += LeftMargin;