This repository has been archived by the owner on Feb 11, 2021. It is now read-only.
app-android.c
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/*******************************************************************************
Headers
*******************************************************************************/
#include <jni.h>
#include <sys/time.h>
#include <time.h>
#include <android/log.h>
#include <stdint.h>
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#include <stdio.h>
#include <stdlib.h>
#include <math.h>
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#include <pthread.h>
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#include "importgl.h"
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#include "egl.h"
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/*******************************************************************************
Globals
*******************************************************************************/
int gAppAlive = 1;
static int sWindowWidth = 320;
static int sWindowHeight = 480;
static int sDemoStopped = 0;
static long _getTime(void){
struct timeval now;
gettimeofday(&now, NULL);
return (long)(now.tv_sec*1000 + now.tv_usec/1000);
}
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/*******************************************************************************
Things used by libsdl
*******************************************************************************/
pthread_mutex_t mSDLRenderMutex;
pthread_cond_t mSDLRenderCondition;
EGLContext mContext;
EGLDisplay mDisplay;
EGLSurface mRead;
EGLSurface mDraw;
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/*******************************************************************************
SDL thread
*******************************************************************************/
pthread_t mSDLThread = 0;
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void* sdlThreadProc(void* args){
__android_log_print(ANDROID_LOG_INFO, "SDL", "Thread Entry");
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if(!eglMakeCurrent(mDisplay, mDraw, mRead, mContext)){
__android_log_print(ANDROID_LOG_INFO, "SDL", "Couldn't make current: 0x%x", eglGetError());
return NULL;
}
return (void *)SDL_main();
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/*******************************************************************************
Initialize the graphics state
*******************************************************************************/
void Java_org_libsdl_android_TestRenderer_nativeInit( JNIEnv* env )
{
importGLInit();
gAppAlive = 1;
sDemoStopped = 0;
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__android_log_print(ANDROID_LOG_INFO, "SDL", "Entry point");
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pthread_mutex_init(&mSDLRenderMutex, NULL);
pthread_cond_init (&mSDLRenderCondition, NULL);
//Get some egl stuff we need
mContext = eglGetCurrentContext();
mDisplay = eglGetCurrentDisplay();
mRead = eglGetCurrentSurface(EGL_READ);
mDraw = eglGetCurrentSurface(EGL_DRAW);
//We need to abandon our context so SDL can have it
if(!eglMakeCurrent(mDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT)){
__android_log_print(ANDROID_LOG_INFO, "SDL", "Couldn't abandon context: 0x%x", eglGetError());
return NULL;
}
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//Spin up the SDL thread
int r = pthread_create(&mSDLThread, NULL, sdlThreadProc, NULL);
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if(r != 0){
__android_log_print(ANDROID_LOG_INFO, "SDL", "Couldn't spawn thread: %d", r);
}else{
__android_log_print(ANDROID_LOG_INFO, "SDL", "Started SDL thread");
}
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}
/*******************************************************************************
Resize
*******************************************************************************/
void Java_org_libsdl_android_TestRenderer_nativeResize( JNIEnv* env,
jobject thiz,
jint w,
jint h )
{
sWindowWidth = w;
sWindowHeight = h;
__android_log_print(ANDROID_LOG_INFO, "SDL", "resize w=%d h=%d", w, h);
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}
/*******************************************************************************
Finalize (ie: shutdown)
*******************************************************************************/
void Java_org_libsdl_android_TestRenderer_nativeDone( JNIEnv* env )
{
//shut down the app
importGLDeinit();
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__android_log_print(ANDROID_LOG_INFO, "SDL", "Finalize");
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}
/*******************************************************************************
Pause (ie: stop as soon as possible)
*******************************************************************************/
void Java_org_libsdl_android_TestGLSurfaceView_nativePause( JNIEnv* env )
{
sDemoStopped = !sDemoStopped;
if (sDemoStopped) {
//we paused
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__android_log_print(ANDROID_LOG_INFO, "SDL", "Pause");
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} else {
//we resumed
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__android_log_print(ANDROID_LOG_INFO, "SDL", "Resume");
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}
}
/*******************************************************************************
Render the next frame
*******************************************************************************/
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void Java_org_libsdl_android_TestRenderer_nativeRender( JNIEnv* env )
{
//TODO: Render here
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pthread_mutex_lock(&mSDLRenderMutex);
pthread_cond_signal(&mSDLRenderCondition); //wake up the SDL thread
pthread_mutex_unlock(&mSDLRenderMutex);
//__android_log_print(ANDROID_LOG_INFO, "SDL", "Unlocked");