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 
     41     egl_tls_t();
     42     static void validateTLSKey();
     43     static void setErrorEtcImpl(
     44             const char* caller, int line, EGLint error, bool quiet);
     45 
     46 public:
     47     static egl_tls_t* getTLS();
     48     static void clearTLS();
     49     static void clearError();
     50     static EGLint getError();
     51     static void setContext(EGLContext ctx);
     52     static EGLContext getContext();
     53     static bool logNoContextCall();
     54     static const char *egl_strerror(EGLint err);
     55 
     56     template<typename T>
     57     static T setErrorEtc(const char* caller,
     58             int line, EGLint error, T returnValue, bool quiet = false) {
     59         setErrorEtcImpl(caller, line, error, quiet);
     60         return returnValue;
     61     }
     62 };
     63 
     64 #define setError(_e, _r)        \
     65     egl_tls_t::setErrorEtc(__FUNCTION__, __LINE__, _e, _r)
     66 
     67 #define setErrorQuiet(_e, _r)   \
     68     egl_tls_t::setErrorEtc(__FUNCTION__, __LINE__, _e, _r, true)
     69 
     70 // ----------------------------------------------------------------------------
     71 
     72 #if EGL_TRACE
     73 
     74 extern gl_hooks_t const* getGLTraceThreadSpecific();
     75 
     76 #endif
     77 
     78 // ----------------------------------------------------------------------------
     79 }; // namespace android
     80 // ----------------------------------------------------------------------------
     81 
     82 #endif // ANDROID_EGL_TLS_H
     83