2013-02-08 19:13:46 +00:00
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/*
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2009-03-04 03:31:44 +00:00
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** Copyright 2007, The Android Open Source Project
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**
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2013-02-08 19:13:46 +00:00
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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2009-03-04 03:31:44 +00:00
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**
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2013-02-08 19:13:46 +00:00
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** http://www.apache.org/licenses/LICENSE-2.0
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2009-03-04 03:31:44 +00:00
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**
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2013-02-08 19:13:46 +00:00
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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2009-03-04 03:31:44 +00:00
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** limitations under the License.
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*/
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#include <ctype.h>
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2009-05-18 01:50:16 +00:00
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#include <stdlib.h>
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2009-03-04 03:31:44 +00:00
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#include <string.h>
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2011-05-13 23:21:08 +00:00
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#include <hardware/gralloc.h>
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#include <system/window.h>
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2009-03-04 03:31:44 +00:00
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#include <EGL/egl.h>
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#include <EGL/eglext.h>
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#include <cutils/log.h>
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#include <cutils/atomic.h>
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#include <cutils/properties.h>
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2011-07-11 22:33:51 +00:00
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#include <utils/CallStack.h>
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2010-08-03 00:34:32 +00:00
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#include <utils/String8.h>
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2009-08-21 09:18:25 +00:00
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2013-04-05 06:17:56 +00:00
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#include "../egl_impl.h"
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#include "../glestrace.h"
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2011-03-28 17:39:28 +00:00
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#include "egl_tls.h"
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2013-04-05 06:17:56 +00:00
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#include "egldefs.h"
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2011-05-13 23:21:08 +00:00
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#include "Loader.h"
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2009-03-04 03:31:44 +00:00
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2011-05-13 23:21:08 +00:00
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#include "egl_display.h"
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#include "egl_object.h"
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2009-03-04 03:31:44 +00:00
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2014-01-17 19:38:34 +00:00
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typedef __eglMustCastToProperFunctionPointerType EGLFuncPointer;
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2009-03-04 03:31:44 +00:00
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// ----------------------------------------------------------------------------
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namespace android {
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// ----------------------------------------------------------------------------
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2012-02-14 01:09:30 +00:00
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egl_connection_t gEGLImpl;
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gl_hooks_t gHooks[2];
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2011-05-13 23:21:08 +00:00
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gl_hooks_t gHooksNoContext;
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pthread_key_t gGLWrapperKey = -1;
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2009-03-04 03:31:44 +00:00
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// ----------------------------------------------------------------------------
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2010-10-26 22:21:24 +00:00
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#if EGL_TRACE
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EGLAPI pthread_key_t gGLTraceKey = -1;
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// ----------------------------------------------------------------------------
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2012-03-09 22:51:28 +00:00
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/**
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2012-10-18 23:16:10 +00:00
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* There are three different tracing methods:
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* 1. libs/EGL/trace.cpp: Traces all functions to systrace.
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* To enable:
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* - set system property "debug.egl.trace" to "systrace" to trace all apps.
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* 2. libs/EGL/trace.cpp: Logs a stack trace for GL errors after each function call.
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* To enable:
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* - set system property "debug.egl.trace" to "error" to trace all apps.
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* 3. libs/EGL/trace.cpp: Traces all functions to logcat.
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2012-03-09 22:51:28 +00:00
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* To enable:
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* - set system property "debug.egl.trace" to 1 to trace all apps.
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* - or call setGLTraceLevel(1) from an app to enable tracing for that app.
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2012-10-18 23:16:10 +00:00
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* 4. libs/GLES_trace: Traces all functions via protobuf to host.
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2012-03-09 22:51:28 +00:00
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* To enable:
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* - set system property "debug.egl.debug_proc" to the application name.
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* - or call setGLDebugLevel(1) from the app.
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*/
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2011-05-13 23:21:08 +00:00
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static int sEGLTraceLevel;
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static int sEGLApplicationTraceLevel;
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2012-10-18 23:16:10 +00:00
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static bool sEGLSystraceEnabled;
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static bool sEGLGetErrorEnabled;
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2012-12-18 22:56:55 +00:00
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static volatile int sEGLDebugLevel;
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2012-03-09 22:51:28 +00:00
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2011-05-13 23:21:08 +00:00
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extern gl_hooks_t gHooksTrace;
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2012-10-18 23:16:10 +00:00
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extern gl_hooks_t gHooksSystrace;
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extern gl_hooks_t gHooksErrorTrace;
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2010-10-26 22:21:24 +00:00
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2012-12-18 22:56:55 +00:00
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int getEGLDebugLevel() {
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return sEGLDebugLevel;
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}
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void setEGLDebugLevel(int level) {
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sEGLDebugLevel = level;
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}
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2010-10-26 22:21:24 +00:00
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static inline void setGlTraceThreadSpecific(gl_hooks_t const *value) {
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pthread_setspecific(gGLTraceKey, value);
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}
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gl_hooks_t const* getGLTraceThreadSpecific() {
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return static_cast<gl_hooks_t*>(pthread_getspecific(gGLTraceKey));
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}
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2011-05-13 23:21:08 +00:00
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void initEglTraceLevel() {
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2010-10-26 22:21:24 +00:00
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char value[PROPERTY_VALUE_MAX];
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property_get("debug.egl.trace", value, "0");
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2012-10-18 23:16:10 +00:00
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sEGLGetErrorEnabled = !strcasecmp(value, "error");
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if (sEGLGetErrorEnabled) {
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sEGLSystraceEnabled = false;
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sEGLTraceLevel = 0;
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return;
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}
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sEGLSystraceEnabled = !strcasecmp(value, "systrace");
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if (sEGLSystraceEnabled) {
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sEGLTraceLevel = 0;
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return;
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}
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2010-10-26 22:21:24 +00:00
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int propertyLevel = atoi(value);
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2011-05-13 23:21:08 +00:00
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int applicationLevel = sEGLApplicationTraceLevel;
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sEGLTraceLevel = propertyLevel > applicationLevel ? propertyLevel : applicationLevel;
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2012-03-09 22:51:28 +00:00
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}
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2011-04-09 01:43:16 +00:00
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2012-03-09 22:51:28 +00:00
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void initEglDebugLevel() {
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2012-12-18 22:56:55 +00:00
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if (getEGLDebugLevel() == 0) {
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char value[PROPERTY_VALUE_MAX];
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// check system property only on userdebug or eng builds
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property_get("ro.debuggable", value, "0");
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if (value[0] == '0')
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return;
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property_get("debug.egl.debug_proc", value, "");
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if (strlen(value) > 0) {
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FILE * file = fopen("/proc/self/cmdline", "r");
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if (file) {
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char cmdline[256];
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if (fgets(cmdline, sizeof(cmdline), file)) {
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if (!strncmp(value, cmdline, strlen(value))) {
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// set EGL debug if the "debug.egl.debug_proc" property
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// matches the prefix of this application's command line
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setEGLDebugLevel(1);
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}
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2012-03-09 22:51:28 +00:00
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}
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2012-12-18 22:56:55 +00:00
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fclose(file);
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2011-12-14 20:19:56 +00:00
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}
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2011-04-09 01:43:16 +00:00
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}
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2011-03-02 00:08:10 +00:00
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}
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2011-04-09 01:43:16 +00:00
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2012-12-18 22:56:55 +00:00
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if (getEGLDebugLevel() > 0) {
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if (GLTrace_start() < 0) {
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ALOGE("Error starting Tracer for OpenGL ES. Disabling..");
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setEGLDebugLevel(0);
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}
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2011-03-11 03:07:42 +00:00
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}
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2010-10-26 22:21:24 +00:00
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}
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2011-05-13 23:21:08 +00:00
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void setGLHooksThreadSpecific(gl_hooks_t const *value) {
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2012-10-18 23:16:10 +00:00
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if (sEGLGetErrorEnabled) {
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setGlTraceThreadSpecific(value);
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setGlThreadSpecific(&gHooksErrorTrace);
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} else if (sEGLSystraceEnabled) {
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setGlTraceThreadSpecific(value);
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setGlThreadSpecific(&gHooksSystrace);
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} else if (sEGLTraceLevel > 0) {
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2010-10-26 22:21:24 +00:00
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setGlTraceThreadSpecific(value);
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setGlThreadSpecific(&gHooksTrace);
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2012-12-18 22:56:55 +00:00
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} else if (getEGLDebugLevel() > 0 && value != &gHooksNoContext) {
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2011-03-02 00:08:10 +00:00
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setGlTraceThreadSpecific(value);
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2011-11-30 23:05:37 +00:00
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setGlThreadSpecific(GLTrace_getGLHooks());
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2010-10-26 22:21:24 +00:00
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} else {
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2012-12-18 22:56:55 +00:00
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setGlTraceThreadSpecific(NULL);
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2010-10-26 22:21:24 +00:00
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setGlThreadSpecific(value);
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}
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}
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/*
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* Global entry point to allow applications to modify their own trace level.
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* The effective trace level is the max of this level and the value of debug.egl.trace.
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*/
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extern "C"
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void setGLTraceLevel(int level) {
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2011-05-13 23:21:08 +00:00
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sEGLApplicationTraceLevel = level;
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2010-10-26 22:21:24 +00:00
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}
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2012-03-09 22:51:28 +00:00
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/*
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* Global entry point to allow applications to modify their own debug level.
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* Debugging is enabled if either the application requested it, or if the system property
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* matches the application's name.
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2012-12-18 22:56:55 +00:00
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* Note that this only sets the debug level. The value is read and used either in
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* initEglDebugLevel() if the application hasn't initialized its display yet, or when
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* eglSwapBuffers() is called next.
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2012-03-09 22:51:28 +00:00
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*/
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void EGLAPI setGLDebugLevel(int level) {
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2012-12-18 22:56:55 +00:00
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setEGLDebugLevel(level);
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2012-03-09 22:51:28 +00:00
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}
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2010-10-26 22:21:24 +00:00
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#else
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2011-05-13 23:21:08 +00:00
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void setGLHooksThreadSpecific(gl_hooks_t const *value) {
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2010-10-26 22:21:24 +00:00
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setGlThreadSpecific(value);
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}
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#endif
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2009-03-04 03:31:44 +00:00
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/*****************************************************************************/
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2010-09-23 23:38:38 +00:00
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static int gl_no_context() {
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2011-05-13 23:21:08 +00:00
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if (egl_tls_t::logNoContextCall()) {
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2012-09-27 00:19:48 +00:00
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char const* const error = "call to OpenGL ES API with "
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"no current context (logged once per thread)";
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if (LOG_NDEBUG) {
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ALOGE(error);
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} else {
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LOG_ALWAYS_FATAL(error);
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}
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2011-09-07 00:24:05 +00:00
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char value[PROPERTY_VALUE_MAX];
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property_get("debug.egl.callstack", value, "0");
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2014-04-08 22:05:54 +00:00
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if (true || atoi(value)) {
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2013-03-22 00:12:40 +00:00
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CallStack stack(LOG_TAG);
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2011-09-07 00:24:05 +00:00
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}
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2009-07-31 23:21:17 +00:00
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}
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2010-09-23 23:38:38 +00:00
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return 0;
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2010-09-23 18:32:52 +00:00
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}
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2013-02-08 19:13:46 +00:00
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static void early_egl_init(void)
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2009-03-04 03:31:44 +00:00
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{
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2010-10-26 22:21:24 +00:00
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#if EGL_TRACE
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pthread_key_create(&gGLTraceKey, NULL);
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initEglTraceLevel();
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2009-03-04 03:31:44 +00:00
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#endif
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2014-01-17 19:38:34 +00:00
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int numHooks = sizeof(gHooksNoContext) / sizeof(EGLFuncPointer);
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EGLFuncPointer *iter = reinterpret_cast<EGLFuncPointer*>(&gHooksNoContext);
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for (int hook = 0; hook < numHooks; ++hook) {
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*(iter++) = reinterpret_cast<EGLFuncPointer>(gl_no_context);
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}
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2010-09-23 18:32:52 +00:00
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2010-10-26 22:21:24 +00:00
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setGLHooksThreadSpecific(&gHooksNoContext);
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2009-03-04 03:31:44 +00:00
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}
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static pthread_once_t once_control = PTHREAD_ONCE_INIT;
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static int sEarlyInitState = pthread_once(&once_control, &early_egl_init);
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2011-05-13 23:21:08 +00:00
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// ----------------------------------------------------------------------------
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2009-03-04 03:31:44 +00:00
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2012-04-04 23:53:42 +00:00
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egl_display_ptr validate_display(EGLDisplay dpy) {
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egl_display_ptr dp = get_display(dpy);
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2011-05-17 01:58:55 +00:00
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if (!dp)
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2012-04-04 23:53:42 +00:00
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return setError(EGL_BAD_DISPLAY, egl_display_ptr(NULL));
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2011-05-17 01:58:55 +00:00
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if (!dp->isReady())
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2012-04-04 23:53:42 +00:00
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return setError(EGL_NOT_INITIALIZED, egl_display_ptr(NULL));
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2011-03-23 22:59:00 +00:00
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return dp;
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}
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2012-04-04 23:53:42 +00:00
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egl_display_ptr validate_display_connection(EGLDisplay dpy,
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egl_connection_t*& cnx) {
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cnx = NULL;
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egl_display_ptr dp = validate_display(dpy);
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2011-05-17 01:58:55 +00:00
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if (!dp)
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2012-04-04 23:53:42 +00:00
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return dp;
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cnx = &gEGLImpl;
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2009-03-04 03:31:44 +00:00
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if (cnx->dso == 0) {
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2012-04-04 23:53:42 +00:00
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return setError(EGL_BAD_CONFIG, egl_display_ptr(NULL));
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2009-03-04 03:31:44 +00:00
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}
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2012-04-04 23:53:42 +00:00
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return dp;
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2009-03-04 03:31:44 +00:00
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}
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2011-05-13 23:21:08 +00:00
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// ----------------------------------------------------------------------------
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2012-01-29 05:44:00 +00:00
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const GLubyte * egl_get_string_for_current_context(GLenum name) {
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// NOTE: returning NULL here will fall-back to the default
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// implementation.
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EGLContext context = egl_tls_t::getContext();
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if (context == EGL_NO_CONTEXT)
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return NULL;
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egl_context_t const * const c = get_context(context);
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if (c == NULL) // this should never happen, by construction
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return NULL;
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if (name != GL_EXTENSIONS)
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return NULL;
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return (const GLubyte *)c->gl_extensions.string();
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}
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// ----------------------------------------------------------------------------
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2009-08-18 01:07:06 +00:00
|
|
|
// this mutex protects:
|
2009-08-25 04:47:13 +00:00
|
|
|
// d->disp[]
|
2009-08-18 01:07:06 +00:00
|
|
|
// egl_init_drivers_locked()
|
|
|
|
//
|
2011-05-13 23:21:08 +00:00
|
|
|
static EGLBoolean egl_init_drivers_locked() {
|
2009-03-04 03:31:44 +00:00
|
|
|
if (sEarlyInitState) {
|
2009-08-18 01:07:06 +00:00
|
|
|
// initialized by static ctor. should be set here.
|
|
|
|
return EGL_FALSE;
|
2009-03-04 03:31:44 +00:00
|
|
|
}
|
2009-04-10 21:24:30 +00:00
|
|
|
|
2009-05-29 00:39:03 +00:00
|
|
|
// get our driver loader
|
2009-08-18 01:07:06 +00:00
|
|
|
Loader& loader(Loader::getInstance());
|
2011-05-13 23:21:08 +00:00
|
|
|
|
2012-02-14 01:09:30 +00:00
|
|
|
// dynamically load our EGL implementation
|
|
|
|
egl_connection_t* cnx = &gEGLImpl;
|
2009-03-04 03:31:44 +00:00
|
|
|
if (cnx->dso == 0) {
|
2012-02-14 04:06:08 +00:00
|
|
|
cnx->hooks[egl_connection_t::GLESv1_INDEX] =
|
|
|
|
&gHooks[egl_connection_t::GLESv1_INDEX];
|
|
|
|
cnx->hooks[egl_connection_t::GLESv2_INDEX] =
|
|
|
|
&gHooks[egl_connection_t::GLESv2_INDEX];
|
2012-02-14 01:09:30 +00:00
|
|
|
cnx->dso = loader.open(cnx);
|
2009-03-04 03:31:44 +00:00
|
|
|
}
|
|
|
|
|
2012-02-14 01:09:30 +00:00
|
|
|
return cnx->dso ? EGL_TRUE : EGL_FALSE;
|
2009-03-04 03:31:44 +00:00
|
|
|
}
|
|
|
|
|
2011-05-13 23:21:08 +00:00
|
|
|
static pthread_mutex_t sInitDriverMutex = PTHREAD_MUTEX_INITIALIZER;
|
|
|
|
|
|
|
|
EGLBoolean egl_init_drivers() {
|
2009-08-18 01:07:06 +00:00
|
|
|
EGLBoolean res;
|
2011-05-13 23:21:08 +00:00
|
|
|
pthread_mutex_lock(&sInitDriverMutex);
|
2009-08-18 01:07:06 +00:00
|
|
|
res = egl_init_drivers_locked();
|
2011-05-13 23:21:08 +00:00
|
|
|
pthread_mutex_unlock(&sInitDriverMutex);
|
2009-08-18 01:07:06 +00:00
|
|
|
return res;
|
|
|
|
}
|
2009-04-10 21:24:30 +00:00
|
|
|
|
2011-05-24 00:26:14 +00:00
|
|
|
void gl_unimplemented() {
|
2012-01-06 19:20:56 +00:00
|
|
|
ALOGE("called unimplemented OpenGL ES API");
|
2013-08-08 03:10:20 +00:00
|
|
|
char value[PROPERTY_VALUE_MAX];
|
|
|
|
property_get("debug.egl.callstack", value, "0");
|
|
|
|
if (atoi(value)) {
|
|
|
|
CallStack stack(LOG_TAG);
|
|
|
|
}
|
2011-05-24 00:26:14 +00:00
|
|
|
}
|
|
|
|
|
2012-01-29 05:44:00 +00:00
|
|
|
void gl_noop() {
|
|
|
|
}
|
|
|
|
|
2011-05-24 00:26:14 +00:00
|
|
|
// ----------------------------------------------------------------------------
|
|
|
|
|
|
|
|
void setGlThreadSpecific(gl_hooks_t const *value) {
|
|
|
|
gl_hooks_t const * volatile * tls_hooks = get_tls_hooks();
|
|
|
|
tls_hooks[TLS_SLOT_OPENGL_API] = value;
|
|
|
|
}
|
|
|
|
|
|
|
|
// ----------------------------------------------------------------------------
|
|
|
|
// GL / EGL hooks
|
|
|
|
// ----------------------------------------------------------------------------
|
|
|
|
|
|
|
|
#undef GL_ENTRY
|
|
|
|
#undef EGL_ENTRY
|
|
|
|
#define GL_ENTRY(_r, _api, ...) #_api,
|
|
|
|
#define EGL_ENTRY(_r, _api, ...) #_api,
|
|
|
|
|
|
|
|
char const * const gl_names[] = {
|
2013-04-05 06:17:56 +00:00
|
|
|
#include "../entries.in"
|
2011-05-24 00:26:14 +00:00
|
|
|
NULL
|
|
|
|
};
|
|
|
|
|
|
|
|
char const * const egl_names[] = {
|
|
|
|
#include "egl_entries.in"
|
|
|
|
NULL
|
|
|
|
};
|
|
|
|
|
|
|
|
#undef GL_ENTRY
|
|
|
|
#undef EGL_ENTRY
|
|
|
|
|
|
|
|
|
2009-04-10 21:24:30 +00:00
|
|
|
// ----------------------------------------------------------------------------
|
|
|
|
}; // namespace android
|
|
|
|
// ----------------------------------------------------------------------------
|
|
|
|
|