本文整理汇总了C++中ANativeWindow::lockBuffer方法的典型用法代码示例。如果您正苦于以下问题：C++ ANativeWindow::lockBuffer方法的具体用法？C++ ANativeWindow::lockBuffer怎么用？C++ ANativeWindow::lockBuffer使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类ANativeWindow的用法示例。
在下文中一共展示了ANativeWindow::lockBuffer方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: swapBuffers
EGLBoolean egl_window_surface_t::swapBuffers()
{
DEFINE_AND_VALIDATE_HOST_CONNECTION(EGL_FALSE);
rcEnc->rcFlushWindowColorBuffer(rcEnc, rcSurface);
nativeWindow->queueBuffer(nativeWindow, buffer);
if (nativeWindow->dequeueBuffer(nativeWindow, &buffer)) {
buffer = NULL;
setErrorReturn(EGL_BAD_ALLOC, EGL_FALSE);
}
nativeWindow->lockBuffer(nativeWindow, buffer);
rcEnc->rcSetWindowColorBuffer(rcEnc, rcSurface,
((cb_handle_t *)(buffer->handle))->hostHandle);
return EGL_TRUE;
}示例2: IOMXHWBuffer_Lock
int IOMXHWBuffer_Lock( void *window, void *p_handle )
{
ANativeWindow *anw = (ANativeWindow *)window;
ANativeWindowBuffer_t *anb = (ANativeWindowBuffer_t *)p_handle;
status_t err = NO_ERROR;
CHECK_ANW();
CHECK_ANB();
#if ANDROID_API >= 18
err = anw->lockBuffer_DEPRECATED( anw, anb );
#else
err = anw->lockBuffer( anw, anb );
#endif
CHECK_ERR();
return 0;
}示例3: init
EGLBoolean egl_window_surface_t::init()
{
if (nativeWindow->dequeueBuffer(nativeWindow, &buffer) != NO_ERROR) {
setErrorReturn(EGL_BAD_ALLOC, EGL_FALSE);
}
nativeWindow->lockBuffer(nativeWindow, buffer);
DEFINE_AND_VALIDATE_HOST_CONNECTION(EGL_FALSE);
rcSurface = rcEnc->rcCreateWindowSurface(rcEnc, (uint32_t)config,
getWidth(), getHeight());
if (!rcSurface) {
ALOGE("rcCreateWindowSurface returned 0");
return EGL_FALSE;
}
rcEnc->rcSetWindowColorBuffer(rcEnc, rcSurface,
((cb_handle_t*)(buffer->handle))->hostHandle);
return EGL_TRUE;
}示例4: dlopen
extern "C" void
Java_org_mozilla_testuniversalsurfacetexture_TestUniversalSurfaceTexture_attachTexture(JNIEnv*
aJEnv, jclass klass, jobject aSurface, int aDestroyed)
{
__android_log_print(ANDROID_LOG_ERROR, "TUST", "### point a");
if (!sSurfaceClass) {
sSurfaceClass = reinterpret_cast<jclass>
(aJEnv->NewGlobalRef(aJEnv->FindClass("android/view/Surface")));
sNativeSurfaceField = aJEnv->GetFieldID(sSurfaceClass, "mNativeSurface", "I");
sSurfaceControlField = aJEnv->GetFieldID(sSurfaceClass, "mSurfaceControl", "I");
void* lib = dlopen("libui.so", RTLD_LAZY);
sw_gralloc_handle_t_lock = (typeof(sw_gralloc_handle_t_lock))
dlsym(lib, "_ZN7android19sw_gralloc_handle_t4lockEPS0_iiiiiPPv");
sw_gralloc_handle_t_unlock = (typeof(sw_gralloc_handle_t_unlock))
dlsym(lib, "_ZN7android19sw_gralloc_handle_t6unlockEPS0_");
__android_log_print(ANDROID_LOG_ERROR, "TUST", "### Lock=%p, unlock=%p",
sw_gralloc_handle_t_lock, sw_gralloc_handle_t_unlock);
lib = dlopen("libhardware.so", RTLD_LAZY);
hw_get_module = (typeof(hw_get_module))dlsym(lib, "hw_get_module");
hw_module_t* pModule;
hw_get_module("gralloc", &pModule);
sModule = reinterpret_cast<gralloc_module_t*>(pModule);
__android_log_print(ANDROID_LOG_ERROR, "TUST", "### Gralloc module=%p", pModule);
}
if (!sImage) {
ANativeWindow* nativeWindow = reinterpret_cast<ANativeWindow*>
(aJEnv->GetIntField(aSurface, sNativeSurfaceField) + 8);
/*Rect rect;
rect.left = rect.top = rect.right = rect.bottom = 0;
nativeWindow->perform(nativeWindow, NATIVE_WINDOW_SET_CROP, &rect);*/
// NB: nativeWindow->common.magic is '_wnd' as a FourCC.
// My version is 104.
__android_log_print(ANDROID_LOG_ERROR, "TUST",
"### Native window ptr %p, magic %08x, version %d, reserved %p, flags %d, dpi %g\n",
nativeWindow, (unsigned)nativeWindow->common.magic,
nativeWindow->common.version, nativeWindow->common.reserved[0],
(int)nativeWindow->flags, (double)nativeWindow->xdpi);
nativeWindow->dequeueBuffer(nativeWindow, &sBuffer);
nativeWindow->lockBuffer(nativeWindow, sBuffer);
// Must increment the refcount on the native window to avoid crashes on Mali (Galaxy S2).
nativeWindow->common.incRef(&nativeWindow->common);
const EGLint eglImgAttrs[] = { EGL_IMAGE_PRESERVED_KHR, EGL_TRUE, EGL_NONE, EGL_NONE };
sBuffer->common.incRef(&sBuffer->common);
sImage = eglCreateImageKHR(eglGetDisplay(EGL_DEFAULT_DISPLAY), EGL_NO_CONTEXT,
EGL_NATIVE_BUFFER_ANDROID,
reinterpret_cast<EGLClientBuffer>(sBuffer), eglImgAttrs);
//nativeWindow->queueBuffer(nativeWindow, sBuffer);
}
uint8_t *bits = 0;
int err = sModule->lock(sModule, sBuffer->handle, GRALLOC_USAGE_SW_READ_OFTEN |
GRALLOC_USAGE_SW_WRITE_OFTEN, 0, 0, 512, 512, (void**)&bits);
__android_log_print(ANDROID_LOG_ERROR, "TUST",
"### Buffer width=%d height=%d stride=%d format=%d usage=%d Bits are: %p, err=%d",
sBuffer->width, sBuffer->height, sBuffer->stride, sBuffer->format, sBuffer->usage,
bits, err);
struct timeval tv;
gettimeofday(&tv, NULL);
static int x = 0;
for (int i = 0; i < 512*512*2; i += 2) {
bits[i] = bits[i+1] = (tv.tv_usec / 100000) % 256;
}
sModule->unlock(sModule, sBuffer->handle);
glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, sImage);
__android_log_print(ANDROID_LOG_ERROR, "TUST", "### Success! GL error is: %d",
(int)glGetError());
}