diff options
Diffstat (limited to 'src/egl/main')
-rw-r--r-- | src/egl/main/Makefile | 2 | ||||
-rw-r--r-- | src/egl/main/eglapi.c | 1 | ||||
-rw-r--r-- | src/egl/main/eglcompiler.h | 33 | ||||
-rw-r--r-- | src/egl/main/eglconfig.c | 2 | ||||
-rw-r--r-- | src/egl/main/eglcontext.c | 106 | ||||
-rw-r--r-- | src/egl/main/eglcontext.h | 17 | ||||
-rw-r--r-- | src/egl/main/eglcurrent.c | 125 | ||||
-rw-r--r-- | src/egl/main/eglcurrent.h | 8 | ||||
-rw-r--r-- | src/egl/main/egldisplay.c | 114 | ||||
-rw-r--r-- | src/egl/main/egldisplay.h | 26 | ||||
-rw-r--r-- | src/egl/main/eglglobals.c | 66 | ||||
-rw-r--r-- | src/egl/main/eglglobals.h | 17 | ||||
-rw-r--r-- | src/egl/main/eglmutex.h | 52 | ||||
-rw-r--r-- | src/egl/main/eglsurface.c | 5 | ||||
-rw-r--r-- | src/egl/main/eglsurface.h | 19 |
15 files changed, 428 insertions, 165 deletions
diff --git a/src/egl/main/Makefile b/src/egl/main/Makefile index 7cab005214..ab61d68f2b 100644 --- a/src/egl/main/Makefile +++ b/src/egl/main/Makefile @@ -20,6 +20,7 @@ HEADERS = \ eglhash.h \ eglmisc.h \ eglmode.h \ + eglmutex.h \ eglscreen.h \ eglstring.h \ eglsurface.h \ @@ -74,6 +75,7 @@ install: default clean: -rm -f *.o *.so* -rm -f core.* + -rm -f depend depend.bak depend: $(SOURCES) $(HEADERS) diff --git a/src/egl/main/eglapi.c b/src/egl/main/eglapi.c index f0a6f7f935..fde6b7316c 100644 --- a/src/egl/main/eglapi.c +++ b/src/egl/main/eglapi.c @@ -50,7 +50,6 @@ EGLDisplay EGLAPIENTRY eglGetDisplay(NativeDisplayType nativeDisplay) { _EGLDisplay *dpy; - _eglInitGlobals(); dpy = _eglFindDisplay(nativeDisplay); if (!dpy) { dpy = _eglNewDisplay(nativeDisplay); diff --git a/src/egl/main/eglcompiler.h b/src/egl/main/eglcompiler.h index 0b19afedfd..6b639b75c6 100644 --- a/src/egl/main/eglcompiler.h +++ b/src/egl/main/eglcompiler.h @@ -3,6 +3,39 @@ /** + * Get standard integer types + */ +#if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) +# include <stdint.h> +#elif defined(_MSC_VER) + typedef __int8 int8_t; + typedef unsigned __int8 uint8_t; + typedef __int16 int16_t; + typedef unsigned __int16 uint16_t; +# ifndef __eglplatform_h_ + typedef __int32 int32_t; +# endif + typedef unsigned __int32 uint32_t; + typedef __int64 int64_t; + typedef unsigned __int64 uint64_t; + +# if defined(_WIN64) + typedef __int64 intptr_t; + typedef unsigned __int64 uintptr_t; +# else + typedef __int32 intptr_t; + typedef unsigned __int32 uintptr_t; +# endif + +# define INT64_C(__val) __val##i64 +# define UINT64_C(__val) __val##ui64 +#else +/* hope the best instead of adding a bunch of ifdef's */ +# include <stdint.h> +#endif + + +/** * Function inlining */ #if defined(__GNUC__) diff --git a/src/egl/main/eglconfig.c b/src/egl/main/eglconfig.c index f2f32585c7..bbc585b55e 100644 --- a/src/egl/main/eglconfig.c +++ b/src/egl/main/eglconfig.c @@ -34,7 +34,7 @@ void _eglInitConfig(_EGLConfig *config, EGLint id) { memset(config, 0, sizeof(*config)); - config->Handle = (EGLConfig) id; + config->Handle = (EGLConfig) _eglUIntToPointer((unsigned int) id); _eglSetConfigAttrib(config, EGL_CONFIG_ID, id); _eglSetConfigAttrib(config, EGL_BIND_TO_TEXTURE_RGB, EGL_DONT_CARE); _eglSetConfigAttrib(config, EGL_BIND_TO_TEXTURE_RGBA, EGL_DONT_CARE); diff --git a/src/egl/main/eglcontext.c b/src/egl/main/eglcontext.c index 9ab4286d3a..88de60d69b 100644 --- a/src/egl/main/eglcontext.c +++ b/src/egl/main/eglcontext.c @@ -96,7 +96,7 @@ _eglDestroyContext(_EGLDriver *drv, EGLDisplay dpy, EGLContext ctx) _EGLContext *context = _eglLookupContext(ctx); if (context) { _eglUnlinkContext(context); - if (!context->IsBound) + if (!_eglIsContextBound(context)) free(context); return EGL_TRUE; } @@ -146,10 +146,11 @@ _eglQueryContext(_EGLDriver *drv, EGLDisplay dpy, EGLContext ctx, * Then, the driver will do its device-dependent Make-Current stuff. */ EGLBoolean -_eglMakeCurrent(_EGLDriver *drv, EGLDisplay dpy, EGLSurface d, +_eglMakeCurrent(_EGLDriver *drv, EGLDisplay display, EGLSurface d, EGLSurface r, EGLContext context) { _EGLThreadInfo *t = _eglGetCurrentThread(); + _EGLDisplay *dpy = _eglLookupDisplay(display); _EGLContext *ctx = _eglLookupContext(context); _EGLSurface *draw = _eglLookupSurface(d); _EGLSurface *read = _eglLookupSurface(r); @@ -160,21 +161,23 @@ _eglMakeCurrent(_EGLDriver *drv, EGLDisplay dpy, EGLSurface d, if (_eglIsCurrentThreadDummy()) return _eglError(EGL_BAD_ALLOC, "eglMakeCurrent"); + if (dpy == NULL) + return _eglError(EGL_BAD_DISPLAY, "eglMakeCurrent"); - /* error checking */ if (ctx) { + /* error checking */ + if (ctx->Binding && ctx->Binding != t) + return _eglError(EGL_BAD_ACCESS, "eglMakeCurrent"); if (draw == NULL || read == NULL) { - _eglError(EGL_BAD_MATCH, "eglMakeCurrent"); - return EGL_FALSE; - } - if (draw->Config != ctx->Config) { - _eglError(EGL_BAD_MATCH, "eglMakeCurrent"); - return EGL_FALSE; - } - if (read->Config != ctx->Config) { - _eglError(EGL_BAD_MATCH, "eglMakeCurrent"); - return EGL_FALSE; + EGLint err = (d == EGL_NO_SURFACE || r == EGL_NO_SURFACE) + ? EGL_BAD_MATCH : EGL_BAD_SURFACE; + return _eglError(err, "eglMakeCurrent"); } + if (draw->Config != ctx->Config || read->Config != ctx->Config) + return _eglError(EGL_BAD_MATCH, "eglMakeCurrent"); + if ((draw->Binding && draw->Binding->Binding != t) || + (read->Binding && read->Binding->Binding != t)) + return _eglError(EGL_BAD_ACCESS, "eglMakeCurrent"); #ifdef EGL_VERSION_1_4 /* OpenGL and OpenGL ES are conflicting */ @@ -194,6 +197,10 @@ _eglMakeCurrent(_EGLDriver *drv, EGLDisplay dpy, EGLSurface d, apiIndex = _eglConvertApiToIndex(ctx->ClientAPI); } else { + if (context != EGL_NO_CONTEXT) + return _eglError(EGL_BAD_CONTEXT, "eglMakeCurrent"); + if (draw != NULL || read != NULL) + return _eglError(EGL_BAD_MATCH, "eglMakeCurrent"); apiIndex = t->CurrentAPIIndex; } @@ -201,60 +208,47 @@ _eglMakeCurrent(_EGLDriver *drv, EGLDisplay dpy, EGLSurface d, if (oldContext) { oldDrawSurface = oldContext->DrawSurface; oldReadSurface = oldContext->ReadSurface; - } + assert(oldDrawSurface); + assert(oldReadSurface); - /* - * check if the old context or surfaces need to be deleted - */ - if (oldDrawSurface != NULL) { - oldDrawSurface->IsBound = EGL_FALSE; + /* break old bindings */ + t->CurrentContexts[apiIndex] = NULL; + oldContext->Binding = NULL; + oldContext->DrawSurface = NULL; + oldContext->ReadSurface = NULL; + oldDrawSurface->Binding = NULL; + oldReadSurface->Binding = NULL; + + /* + * check if the old context or surfaces need to be deleted + * FIXME They are linked so that they can be unlinked. This is ugly. + */ if (!_eglIsSurfaceLinked(oldDrawSurface)) { - /* make sure we don't try to rebind a deleted surface */ - if (draw == oldDrawSurface || draw == oldReadSurface) { - draw = NULL; - } - /* really delete surface now */ - drv->API.DestroySurface(drv, dpy, oldDrawSurface->Handle); + assert(draw != oldDrawSurface && read != oldDrawSurface); + drv->API.DestroySurface(drv, display, + _eglLinkSurface(oldDrawSurface, dpy)); } - } - if (oldReadSurface != NULL && oldReadSurface != oldDrawSurface) { - oldReadSurface->IsBound = EGL_FALSE; - if (!_eglIsSurfaceLinked(oldReadSurface)) { - /* make sure we don't try to rebind a deleted surface */ - if (read == oldDrawSurface || read == oldReadSurface) { - read = NULL; - } - /* really delete surface now */ - drv->API.DestroySurface(drv, dpy, oldReadSurface->Handle); + if (oldReadSurface != oldDrawSurface && + !_eglIsSurfaceLinked(oldReadSurface)) { + assert(draw != oldReadSurface && read != oldReadSurface); + drv->API.DestroySurface(drv, display, + _eglLinkSurface(oldReadSurface, dpy)); } - } - if (oldContext != NULL) { - oldContext->IsBound = EGL_FALSE; if (!_eglIsContextLinked(oldContext)) { - /* make sure we don't try to rebind a deleted context */ - if (ctx == oldContext) { - ctx = NULL; - } - /* really delete context now */ - drv->API.DestroyContext(drv, dpy, _eglGetContextHandle(oldContext)); + assert(ctx != oldContext); + drv->API.DestroyContext(drv, display, + _eglLinkContext(oldContext, dpy)); } } + /* build new bindings */ if (ctx) { - /* check read/draw again, in case we deleted them above */ - if (draw == NULL || read == NULL) { - _eglError(EGL_BAD_MATCH, "eglMakeCurrent"); - return EGL_FALSE; - } + t->CurrentContexts[apiIndex] = ctx; + ctx->Binding = t; ctx->DrawSurface = draw; ctx->ReadSurface = read; - ctx->IsBound = EGL_TRUE; - draw->IsBound = EGL_TRUE; - read->IsBound = EGL_TRUE; - t->CurrentContexts[apiIndex] = ctx; - } - else { - t->CurrentContexts[apiIndex] = NULL; + draw->Binding = ctx; + read->Binding = ctx; } return EGL_TRUE; diff --git a/src/egl/main/eglcontext.h b/src/egl/main/eglcontext.h index 2fb28d38b9..4276c0980e 100644 --- a/src/egl/main/eglcontext.h +++ b/src/egl/main/eglcontext.h @@ -15,12 +15,12 @@ struct _egl_context _EGLDisplay *Display; _EGLContext *Next; - _EGLConfig *Config; - + /* The bound status of the context */ + _EGLThreadInfo *Binding; _EGLSurface *DrawSurface; _EGLSurface *ReadSurface; - EGLBoolean IsBound; + _EGLConfig *Config; EGLint ClientAPI; /**< EGL_OPENGL_ES_API, EGL_OPENGL_API, EGL_OPENVG_API */ EGLint ClientVersion; /**< 1 = OpenGLES 1.x, 2 = OpenGLES 2.x */ @@ -51,4 +51,15 @@ _eglMakeCurrent(_EGLDriver *drv, EGLDisplay dpy, EGLSurface draw, EGLSurface rea extern EGLBoolean _eglCopyContextMESA(_EGLDriver *drv, EGLDisplay dpy, EGLContext source, EGLContext dest, EGLint mask); + +/** + * Return true if the context is bound to a thread. + */ +static INLINE EGLBoolean +_eglIsContextBound(_EGLContext *ctx) +{ + return (ctx->Binding != NULL); +} + + #endif /* EGLCONTEXT_INCLUDED */ diff --git a/src/egl/main/eglcurrent.c b/src/egl/main/eglcurrent.c index 96152db19f..4431f964f6 100644 --- a/src/egl/main/eglcurrent.c +++ b/src/egl/main/eglcurrent.c @@ -3,61 +3,127 @@ #include "eglcurrent.h" #include "eglcontext.h" #include "egllog.h" +#include "eglmutex.h" +#include "eglglobals.h" +/* This should be kept in sync with _eglInitThreadInfo() */ +#define _EGL_THREAD_INFO_INITIALIZER \ + { EGL_SUCCESS, { NULL }, 1 } + /* a fallback thread info to guarantee that every thread always has one */ -static _EGLThreadInfo dummy_thread; +static _EGLThreadInfo dummy_thread = _EGL_THREAD_INFO_INITIALIZER; #ifdef GLX_USE_TLS static __thread const _EGLThreadInfo *_egl_TSD; __attribute__ ((tls_model("initial-exec"))); -static INLINE EGLBoolean _eglInitTSD(void) { return EGL_TRUE; } -static INLINE void _eglFiniTSD(void) { } -static INLINE void _eglSetTSD(const _EGLThreadInfo *t) { _egl_TSD = t; } +static INLINE void _eglSetTSD(const _EGLThreadInfo *t) +{ + _egl_TSD = t; +} static INLINE _EGLThreadInfo *_eglGetTSD(void) { return (_EGLThreadInfo *) _egl_TSD; } +static INLINE void _eglFiniTSD(void) +{ +} + +static INLINE EGLBoolean _eglInitTSD(void (*dtor)(_EGLThreadInfo *)) +{ + /* TODO destroy TSD */ + (void) dtor; + (void) _eglFiniTSD; + return EGL_TRUE; +} + #elif PTHREADS #include <pthread.h> +static _EGL_DECLARE_MUTEX(_egl_TSDMutex); +static EGLBoolean _egl_TSDInitialized; static pthread_key_t _egl_TSD; +static void (*_egl_FreeTSD)(_EGLThreadInfo *); -static INLINE EGLBoolean _eglInitTSD(void) +static INLINE void _eglSetTSD(const _EGLThreadInfo *t) { - return (pthread_key_create(&_egl_TSD, NULL) == 0); + pthread_setspecific(_egl_TSD, (const void *) t); } -static INLINE void _eglFiniTSD(void) +static INLINE _EGLThreadInfo *_eglGetTSD(void) { - pthread_key_delete(_egl_TSD); + return (_EGLThreadInfo *) pthread_getspecific(_egl_TSD); } -static INLINE void _eglSetTSD(const _EGLThreadInfo *t) +static INLINE void _eglFiniTSD(void) { - pthread_setspecific(_egl_TSD, (const void *) t); + _eglLockMutex(&_egl_TSDMutex); + if (_egl_TSDInitialized) { + _EGLThreadInfo *t = _eglGetTSD(); + + _egl_TSDInitialized = EGL_FALSE; + if (t && _egl_FreeTSD) + _egl_FreeTSD((void *) t); + pthread_key_delete(_egl_TSD); + } + _eglUnlockMutex(&_egl_TSDMutex); } -static INLINE _EGLThreadInfo *_eglGetTSD(void) +static INLINE EGLBoolean _eglInitTSD(void (*dtor)(_EGLThreadInfo *)) { - return (_EGLThreadInfo *) pthread_getspecific(_egl_TSD); + if (!_egl_TSDInitialized) { + _eglLockMutex(&_egl_TSDMutex); + + /* check again after acquiring lock */ + if (!_egl_TSDInitialized) { + if (pthread_key_create(&_egl_TSD, (void (*)(void *)) dtor) != 0) { + _eglUnlockMutex(&_egl_TSDMutex); + return EGL_FALSE; + } + _egl_FreeTSD = dtor; + _eglAddAtExitCall(_eglFiniTSD); + _egl_TSDInitialized = EGL_TRUE; + } + + _eglUnlockMutex(&_egl_TSDMutex); + } + + return EGL_TRUE; } #else /* PTHREADS */ static const _EGLThreadInfo *_egl_TSD; +static void (*_egl_FreeTSD)(_EGLThreadInfo *); -static INLINE EGLBoolean _eglInitTSD(void) { return EGL_TRUE; } -static INLINE void _eglFiniTSD(void) { } -static INLINE void _eglSetTSD(const _EGLThreadInfo *t) { _egl_TSD = t; } +static INLINE void _eglSetTSD(const _EGLThreadInfo *t) +{ + _egl_TSD = t; +} static INLINE _EGLThreadInfo *_eglGetTSD(void) { return (_EGLThreadInfo *) _egl_TSD; } + +static INLINE void _eglFiniTSD(void) +{ + if (_egl_FreeTSD && _egl_TSD) + _egl_FreeTSD((_EGLThreadInfo *) _egl_TSD); +} + +static INLINE EGLBoolean _eglInitTSD(void (*dtor)(_EGLThreadInfo *)) +{ + if (!_egl_FreeTSD && dtor) { + _egl_FreeTSD = dtor; + _eglAddAtExitCall(_eglFiniTSD); + } + return EGL_TRUE; +} + #endif /* !PTHREADS */ @@ -98,24 +164,17 @@ _eglDestroyThreadInfo(_EGLThreadInfo *t) /** - * Initialize "current thread" management. + * Make sure TSD is initialized and return current value. */ -EGLBoolean -_eglInitCurrent(void) +static INLINE _EGLThreadInfo * +_eglCheckedGetTSD(void) { - _eglInitThreadInfo(&dummy_thread); - return _eglInitTSD(); -} - + if (_eglInitTSD(&_eglDestroyThreadInfo) != EGL_TRUE) { + _eglLog(_EGL_FATAL, "failed to initialize \"current\" system"); + return NULL; + } -/** - * Finish "current thread" management. - */ -void -_eglFiniCurrent(void) -{ - /* TODO trace and release all threads... */ - _eglFiniTSD(); + return _eglGetTSD(); } @@ -129,7 +188,7 @@ _eglFiniCurrent(void) _EGLThreadInfo * _eglGetCurrentThread(void) { - _EGLThreadInfo *t = _eglGetTSD(); + _EGLThreadInfo *t = _eglCheckedGetTSD(); if (!t) { t = _eglCreateThreadInfo(); _eglSetTSD(t); @@ -145,7 +204,7 @@ _eglGetCurrentThread(void) void _eglDestroyCurrentThread(void) { - _EGLThreadInfo *t = _eglGetTSD(); + _EGLThreadInfo *t = _eglCheckedGetTSD(); if (t) { _eglDestroyThreadInfo(t); _eglSetTSD(NULL); @@ -162,7 +221,7 @@ _eglDestroyCurrentThread(void) EGLBoolean _eglIsCurrentThreadDummy(void) { - _EGLThreadInfo *t = _eglGetTSD(); + _EGLThreadInfo *t = _eglCheckedGetTSD(); return (!t || t == &dummy_thread); } diff --git a/src/egl/main/eglcurrent.h b/src/egl/main/eglcurrent.h index f9fdf7bd0f..8eb241029e 100644 --- a/src/egl/main/eglcurrent.h +++ b/src/egl/main/eglcurrent.h @@ -20,14 +20,6 @@ struct _egl_thread_info }; -extern EGLBoolean -_eglInitCurrent(void); - - -extern void -_eglFiniCurrent(void); - - /** * Return true if a client API enum can be converted to an index. */ diff --git a/src/egl/main/egldisplay.c b/src/egl/main/egldisplay.c index 89de609d0b..feae1d6040 100644 --- a/src/egl/main/egldisplay.c +++ b/src/egl/main/egldisplay.c @@ -1,4 +1,3 @@ - /** * Functions related to EGLDisplay. */ @@ -13,6 +12,67 @@ #include "eglglobals.h" #include "eglhash.h" #include "eglstring.h" +#include "eglmutex.h" +#include "egllog.h" + + +static _EGL_DECLARE_MUTEX(_eglDisplayInitMutex); +static _EGLHashtable *_eglDisplayHash; +/* TODO surface hash table should be per-display */ +static _EGLHashtable *_eglSurfaceHash; + + +/** + * Finish display management. + */ +static void +_eglFiniDisplay(void) +{ + _eglLockMutex(&_eglDisplayInitMutex); + if (_eglDisplayHash) { + EGLuint key = _eglHashFirstEntry(_eglDisplayHash); + + while (key) { + _EGLDisplay *dpy = (_EGLDisplay *) + _eglHashLookup(_eglDisplayHash, key); + assert(dpy); + + if (dpy->ContextList || dpy->SurfaceList) + _eglLog(_EGL_DEBUG, "Display %u is destroyed with resources", key); + + _eglCleanupDisplay(dpy); + free(dpy); + + key = _eglHashNextEntry(_eglDisplayHash, key); + } + + _eglDeleteHashTable(_eglDisplayHash); + _eglDisplayHash = NULL; + _eglDeleteHashTable(_eglSurfaceHash); + _eglSurfaceHash = NULL; + } + _eglUnlockMutex(&_eglDisplayInitMutex); +} + + +/* This can be avoided if hash table can be statically initialized */ +static INLINE void +_eglInitDisplay(void) +{ + if (!_eglDisplayHash) { + _eglLockMutex(&_eglDisplayInitMutex); + + /* check again after acquiring lock */ + if (!_eglDisplayHash) { + _eglDisplayHash = _eglNewHashTable(); + _eglSurfaceHash = _eglNewHashTable(); + + _eglAddAtExitCall(_eglFiniDisplay); + } + + _eglUnlockMutex(&_eglDisplayInitMutex); + } +} /** @@ -31,6 +91,9 @@ _eglNewDisplay(NativeDisplayType nativeDisplay) dpy->Xdpy = (Display *) nativeDisplay; #endif + _eglInitDisplay(); + dpy->SurfaceHash = _eglSurfaceHash; + dpy->DriverName = _eglChooseDriver(dpy); if (!dpy->DriverName) { free(dpy); @@ -49,11 +112,14 @@ EGLDisplay _eglLinkDisplay(_EGLDisplay *dpy) { EGLuint key; - key = _eglHashGenKey(_eglGlobal.Displays); + + _eglInitDisplay(); + + key = _eglHashGenKey(_eglDisplayHash); assert(key); /* "link" the display to the hash table */ - _eglHashInsert(_eglGlobal.Displays, key, dpy); - dpy->Handle = (EGLDisplay) key; + _eglHashInsert(_eglDisplayHash, key, dpy); + dpy->Handle = (EGLDisplay) _eglUIntToPointer(key); return dpy->Handle; } @@ -66,7 +132,11 @@ _eglLinkDisplay(_EGLDisplay *dpy) void _eglUnlinkDisplay(_EGLDisplay *dpy) { - _eglHashRemove(_eglGlobal.Displays, (EGLuint) dpy->Handle); + EGLuint key = _eglPointerToUInt((void *) dpy->Handle); + + _eglInitDisplay(); + + _eglHashRemove(_eglDisplayHash, key); dpy->Handle = EGL_NO_DISPLAY; } @@ -83,7 +153,7 @@ _eglGetDisplayHandle(_EGLDisplay *display) return EGL_NO_DISPLAY; } - + /** * Lookup a handle to find the linked display. * Return NULL if the handle has no corresponding linked display. @@ -91,8 +161,11 @@ _eglGetDisplayHandle(_EGLDisplay *display) _EGLDisplay * _eglLookupDisplay(EGLDisplay dpy) { - EGLuint key = (EGLuint) dpy; - return (_EGLDisplay *) _eglHashLookup(_eglGlobal.Displays, key); + EGLuint key = _eglPointerToUInt((void *) dpy); + + _eglInitDisplay(); + + return (_EGLDisplay *) _eglHashLookup(_eglDisplayHash, key); } @@ -103,17 +176,20 @@ _eglLookupDisplay(EGLDisplay dpy) _EGLDisplay * _eglFindDisplay(NativeDisplayType nativeDisplay) { - EGLuint key = _eglHashFirstEntry(_eglGlobal.Displays); + EGLuint key; + + _eglInitDisplay(); /* Walk the hash table. Should switch to list if it is a problem. */ + key = _eglHashFirstEntry(_eglDisplayHash); while (key) { _EGLDisplay *dpy = (_EGLDisplay *) - _eglHashLookup(_eglGlobal.Displays, key); + _eglHashLookup(_eglDisplayHash, key); assert(dpy); if (dpy->NativeDisplay == nativeDisplay) return dpy; - key = _eglHashNextEntry(_eglGlobal.Displays, key); + key = _eglHashNextEntry(_eglDisplayHash, key); } return NULL; @@ -224,7 +300,7 @@ _eglUnlinkContext(_EGLContext *ctx) EGLContext _eglGetContextHandle(_EGLContext *ctx) { - return (EGLContext) (ctx && ctx->Display) ? ctx : EGL_NO_CONTEXT; + return (EGLContext) ((ctx && ctx->Display) ? ctx : EGL_NO_CONTEXT); } @@ -253,11 +329,11 @@ _eglLinkSurface(_EGLSurface *surf, _EGLDisplay *dpy) surf->Next = dpy->SurfaceList; dpy->SurfaceList = surf; - key = _eglHashGenKey(_eglGlobal.Surfaces); + key = _eglHashGenKey(dpy->SurfaceHash); assert(key); - _eglHashInsert(_eglGlobal.Surfaces, key, surf); + _eglHashInsert(dpy->SurfaceHash, key, surf); - surf->Handle = (EGLSurface) key; + surf->Handle = (EGLSurface) _eglUIntToPointer(key); return surf->Handle; } @@ -270,8 +346,9 @@ void _eglUnlinkSurface(_EGLSurface *surf) { _EGLSurface *prev; + EGLuint key = _eglPointerToUInt((void *) surf->Handle); - _eglHashRemove(_eglGlobal.Surfaces, (EGLuint) surf->Handle); + _eglHashRemove(surf->Display->SurfaceHash, key); surf->Handle = EGL_NO_SURFACE; prev = surf->Display->SurfaceList; @@ -314,7 +391,6 @@ _eglGetSurfaceHandle(_EGLSurface *surface) _EGLSurface * _eglLookupSurface(EGLSurface surf) { - _EGLSurface *c = (_EGLSurface *) _eglHashLookup(_eglGlobal.Surfaces, - (EGLuint) surf); - return c; + EGLuint key = _eglPointerToUInt((void *) surf); + return (_EGLSurface *) _eglHashLookup(_eglSurfaceHash, key); } diff --git a/src/egl/main/egldisplay.h b/src/egl/main/egldisplay.h index 372ed3cd79..70c59ef5e4 100644 --- a/src/egl/main/egldisplay.h +++ b/src/egl/main/egldisplay.h @@ -6,6 +6,7 @@ #endif #include "egltypedefs.h" +#include "eglhash.h" struct _egl_display @@ -26,6 +27,10 @@ struct _egl_display /* lists of linked contexts and surface */ _EGLContext *ContextList; _EGLSurface *SurfaceList; + + /* hash table to map surfaces to handles */ + _EGLHashtable *SurfaceHash; + #ifdef _EGL_PLATFORM_X Display *Xdpy; #endif @@ -125,4 +130,25 @@ _eglIsSurfaceLinked(_EGLSurface *surf) } +/** + * Cast an unsigned int to a pointer. + */ +static INLINE void * +_eglUIntToPointer(unsigned int v) +{ + return (void *) ((uintptr_t) v); +} + + +/** + * Cast a pointer to an unsigned int. The pointer must be one that is + * returned by _eglUIntToPointer. + */ +static INLINE unsigned int +_eglPointerToUInt(const void *p) +{ + return (unsigned int) ((uintptr_t) p); +} + + #endif /* EGLDISPLAY_INCLUDED */ diff --git a/src/egl/main/eglglobals.c b/src/egl/main/eglglobals.c index 55de394ef5..e93b48e03b 100644 --- a/src/egl/main/eglglobals.c +++ b/src/egl/main/eglglobals.c @@ -1,41 +1,53 @@ #include <stdlib.h> +#include <assert.h> #include "eglglobals.h" +#include "egldisplay.h" #include "egllog.h" +#include "eglmutex.h" -struct _egl_global _eglGlobal = -{ - EGL_FALSE -}; -/** - * Init the fields in the _eglGlobal struct - * May be safely called more than once. - */ -void -_eglInitGlobals(void) +#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0])) + + +static _EGL_DECLARE_MUTEX(_eglGlobalMutex); +struct _egl_global _eglGlobal = { - if (!_eglGlobal.Initialized) { - _eglGlobal.Displays = _eglNewHashTable(); - _eglGlobal.Surfaces = _eglNewHashTable(); - _eglGlobal.FreeScreenHandle = 1; - _eglGlobal.Initialized = EGL_TRUE; + &_eglGlobalMutex, /* Mutex */ + 1, /* FreeScreenHandle */ + 0x0, /* ClientAPIsMask */ + { 0x0 }, /* ClientAPIs */ + 0, /* NumDrivers */ + { NULL }, /* Drivers */ + 0, /* NumAtExitCalls */ + { NULL }, /* AtExitCalls */ +}; - _eglGlobal.ClientAPIsMask = 0x0; - if (!_eglInitCurrent()) - _eglLog(_EGL_FATAL, "failed to initialize \"current\" system"); - } +static void +_eglAtExit(void) +{ + EGLint i; + for (i = _eglGlobal.NumAtExitCalls - 1; i >= 0; i--) + _eglGlobal.AtExitCalls[i](); } -/** - * Should call this via an atexit handler. - */ void -_eglDestroyGlobals(void) +_eglAddAtExitCall(void (*func)(void)) { - _eglFiniCurrent(); - /* XXX TODO walk over table entries, deleting each */ - _eglDeleteHashTable(_eglGlobal.Displays); - _eglDeleteHashTable(_eglGlobal.Surfaces); + if (func) { + static EGLBoolean registered = EGL_FALSE; + + _eglLockMutex(_eglGlobal.Mutex); + + if (!registered) { + atexit(_eglAtExit); + registered = EGL_TRUE; + } + + assert(_eglGlobal.NumAtExitCalls < ARRAY_SIZE(_eglGlobal.AtExitCalls)); + _eglGlobal.AtExitCalls[_eglGlobal.NumAtExitCalls++] = func; + + _eglUnlockMutex(_eglGlobal.Mutex); + } } diff --git a/src/egl/main/eglglobals.h b/src/egl/main/eglglobals.h index a9443cfbdd..1e2c674263 100644 --- a/src/egl/main/eglglobals.h +++ b/src/egl/main/eglglobals.h @@ -4,6 +4,7 @@ #include "egltypedefs.h" #include "eglhash.h" #include "eglcurrent.h" +#include "eglmutex.h" /** @@ -11,12 +12,7 @@ */ struct _egl_global { - EGLBoolean Initialized; - - /* these are private to egldisplay.c */ - _EGLHashtable *Displays; - _EGLHashtable *Surfaces; - + _EGLMutex *Mutex; EGLScreenMESA FreeScreenHandle; /* bitmaks of supported APIs (supported by _some_ driver) */ @@ -26,6 +22,9 @@ struct _egl_global EGLint NumDrivers; _EGLDriver *Drivers[10]; + + EGLint NumAtExitCalls; + void (*AtExitCalls[10])(void); }; @@ -33,11 +32,7 @@ extern struct _egl_global _eglGlobal; extern void -_eglInitGlobals(void); - - -extern void -_eglDestroyGlobals(void); +_eglAddAtExitCall(void (*func)(void)); #endif /* EGLGLOBALS_INCLUDED */ diff --git a/src/egl/main/eglmutex.h b/src/egl/main/eglmutex.h new file mode 100644 index 0000000000..29faba0f24 --- /dev/null +++ b/src/egl/main/eglmutex.h @@ -0,0 +1,52 @@ +#ifndef EGLMUTEX_INCLUDED +#define EGLMUTEX_INCLUDED + +#include "eglcompiler.h" + +#ifdef PTHREADS +#include <pthread.h> + +typedef pthread_mutex_t _EGLMutex; + +static INLINE void _eglInitMutex(_EGLMutex *m) +{ + pthread_mutex_init(m, NULL); +} + +static INLINE void +_eglDestroyMutex(_EGLMutex *m) +{ + pthread_mutex_destroy(m); +} + +static INLINE void +_eglLockMutex(_EGLMutex *m) +{ + pthread_mutex_lock(m); +} + +static INLINE void +_eglUnlockMutex(_EGLMutex *m) +{ + pthread_mutex_unlock(m); +} + +#define _EGL_MUTEX_INITIALIZER PTHREAD_MUTEX_INITIALIZER +#define _EGL_DECLARE_MUTEX(m) \ + _EGLMutex m = _EGL_MUTEX_INITIALIZER + +#else + +typedef int _EGLMutex; +static INLINE void _eglInitMutex(_EGLMutex *m) { (void) m; } +static INLINE void _eglDestroyMutex(_EGLMutex *m) { (void) m; } +static INLINE void _eglLockMutex(_EGLMutex *m) { (void) m; } +static INLINE void _eglUnlockMutex(_EGLMutex *m) { (void) m; } + +#define _EGL_MUTEX_INITIALIZER 0 +#define _EGL_DECLARE_MUTEX(m) \ + _EGLMutex m = _EGL_MUTEX_INITIALIZER + +#endif + +#endif /* EGLMUTEX_INCLUDED */ diff --git a/src/egl/main/eglsurface.c b/src/egl/main/eglsurface.c index 9821e63628..3947051127 100644 --- a/src/egl/main/eglsurface.c +++ b/src/egl/main/eglsurface.c @@ -26,7 +26,8 @@ _eglInitSurface(_EGLDriver *drv, _EGLSurface *surf, EGLint type, { const char *func; EGLint width = 0, height = 0, largest = 0; - EGLint texFormat = 0, texTarget = 0, mipmapTex = 0; + EGLint texFormat = EGL_NO_TEXTURE, texTarget = EGL_NO_TEXTURE; + EGLint mipmapTex = EGL_FALSE; EGLint renderBuffer = EGL_BACK_BUFFER; #ifdef EGL_VERSION_1_2 EGLint colorspace = EGL_COLORSPACE_sRGB; @@ -413,7 +414,7 @@ _eglDestroySurface(_EGLDriver *drv, EGLDisplay dpy, EGLSurface surface) _EGLSurface *surf = _eglLookupSurface(surface); if (surf) { _eglUnlinkSurface(surf); - if (!surf->IsBound) + if (!_eglIsSurfaceBound(surf)) free(surf); return EGL_TRUE; } diff --git a/src/egl/main/eglsurface.h b/src/egl/main/eglsurface.h index f9413eb9d7..8864176844 100644 --- a/src/egl/main/eglsurface.h +++ b/src/egl/main/eglsurface.h @@ -15,12 +15,12 @@ struct _egl_surface _EGLSurface *Next; EGLSurface Handle; - _EGLConfig *Config; - - /* May need reference counting here */ - EGLBoolean IsBound; + /* The bound status of the surface */ + _EGLContext *Binding; EGLBoolean BoundToTexture; + _EGLConfig *Config; + EGLint Type; /* one of EGL_WINDOW_BIT, EGL_PIXMAP_BIT or EGL_PBUFFER_BIT */ EGLint Width, Height; EGLint TextureFormat, TextureTarget; @@ -100,5 +100,16 @@ _eglCreatePbufferFromClientBuffer(_EGLDriver *drv, EGLDisplay dpy, #endif /* EGL_VERSION_1_2 */ +/** + * Return true if the surface is bound to a thread. + * A surface bound to a texutre is not considered bound by + * this function. + */ +static INLINE EGLBoolean +_eglIsSurfaceBound(_EGLSurface *surf) +{ + return (surf->Binding != NULL); +} + #endif /* EGLSURFACE_INCLUDED */ |