Home | History | Annotate | Download | only in EGL
      1 /*
      2  ** Copyright 2011, The Android Open Source Project
      3  **
      4  ** Licensed under the Apache License, Version 2.0 (the "License");
      5  ** you may not use this file except in compliance with the License.
      6  ** You may obtain a copy of the License at
      7  **
      8  **     http://www.apache.org/licenses/LICENSE-2.0
      9  **
     10  ** Unless required by applicable law or agreed to in writing, software
     11  ** distributed under the License is distributed on an "AS IS" BASIS,
     12  ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  ** See the License for the specific language governing permissions and
     14  ** limitations under the License.
     15  */
     16 
     17 #ifndef ANDROID_EGL_TLS_H
     18 #define ANDROID_EGL_TLS_H
     19 
     20 #include <pthread.h>
     21 
     22 #include <EGL/egl.h>
     23 
     24 #include "egldefs.h"
     25 #include "hooks.h"
     26 
     27 // ----------------------------------------------------------------------------
     28 namespace android {
     29 // ----------------------------------------------------------------------------
     30 
     31 class DbgContext;
     32 
     33 class egl_tls_t {
     34     static pthread_key_t sKey;
     35     static pthread_mutex_t sLockKey;
     36 
     37     EGLint      error;
     38     EGLContext  ctx;
     39     EGLBoolean  logCallWithNoContext;
     40     DbgContext* dbg;
     41 
     42     egl_tls_t();
     43     static void validateTLSKey();
     44     static void setErrorEtcImpl(
     45             const char* caller, int line, EGLint error, bool quiet);
     46 
     47 public:
     48     static egl_tls_t* getTLS();
     49     static void clearTLS();
     50     static void clearError();
     51     static EGLint getError();
     52     static void setContext(EGLContext ctx);
     53     static EGLContext getContext();
     54     static bool logNoContextCall();
     55     static const char *egl_strerror(EGLint err);
     56 
     57     template<typename T>
     58     static T setErrorEtc(const char* caller,
     59             int line, EGLint error, T returnValue, bool quiet = false) {
     60         setErrorEtcImpl(caller, line, error, quiet);
     61         return returnValue;
     62     }
     63 };
     64 
     65 #define setError(_e, _r)        \
     66     egl_tls_t::setErrorEtc(__FUNCTION__, __LINE__, _e, _r)
     67 
     68 #define setErrorQuiet(_e, _r)   \
     69     egl_tls_t::setErrorEtc(__FUNCTION__, __LINE__, _e, _r, true)
     70 
     71 // ----------------------------------------------------------------------------
     72 
     73 #if EGL_TRACE
     74 
     75 extern gl_hooks_t const* getGLTraceThreadSpecific();
     76 
     77 #endif
     78 
     79 // ----------------------------------------------------------------------------
     80 }; // namespace android
     81 // ----------------------------------------------------------------------------
     82 
     83 #endif // ANDROID_EGL_TLS_H
     84