void DisplayDevice::swapBuffers(HWComposer& hwc) const {
EGLBoolean success = EGL_TRUE;
if (hwc.initCheck() != NO_ERROR) {
// no HWC, we call eglSwapBuffers()
success = eglSwapBuffers(mDisplay, mSurface);
} else {
// We have a valid HWC, but not all displays can use it, in particular
// the virtual displays are on their own.
// TODO: HWC 1.2 will allow virtual displays
if (mType >= DisplayDevice::DISPLAY_VIRTUAL) {
// always call eglSwapBuffers() for virtual displays
success = eglSwapBuffers(mDisplay, mSurface);
} else if (hwc.supportsFramebufferTarget()) {
// as of hwc 1.1 we always call eglSwapBuffers if we have some
// GLES layers
if (hwc.hasGlesComposition(mType)) {
success = eglSwapBuffers(mDisplay, mSurface);
}
} else {
// HWC doesn't have the framebuffer target, we don't call
// eglSwapBuffers(), since this is handled by HWComposer::commit().
}
}
if (!success) {
EGLint error = eglGetError();
if (error == EGL_CONTEXT_LOST ||
mType == DisplayDevice::DISPLAY_PRIMARY) {
LOG_ALWAYS_FATAL("eglSwapBuffers(%p, %p) failed with 0x%08x",
mDisplay, mSurface, error);
}
}
}
void DisplayDevice::swapBuffers(HWComposer& hwc) const {
// We need to call eglSwapBuffers() unless:
// (a) there was no GLES composition this frame, or
// (b) we're using a legacy HWC with no framebuffer target support (in
// which case HWComposer::commit() handles things).
if (hwc.initCheck() != NO_ERROR ||
(hwc.hasGlesComposition(mHwcDisplayId) &&
hwc.supportsFramebufferTarget())) {
EGLBoolean success = eglSwapBuffers(mDisplay, mSurface);
if (!success) {
EGLint error = eglGetError();
if (error == EGL_CONTEXT_LOST ||
mType == DisplayDevice::DISPLAY_PRIMARY) {
LOG_ALWAYS_FATAL("eglSwapBuffers(%p, %p) failed with 0x%08x",
mDisplay, mSurface, error);
} else {
ALOGE("eglSwapBuffers(%p, %p) failed with 0x%08x",
mDisplay, mSurface, error);
}
}
}
status_t result = mDisplaySurface->advanceFrame();
if (result != NO_ERROR) {
ALOGE("[%s] failed pushing new frame to HWC: %d",
mDisplayName.string(), result);
}
}
void DisplayDevice::swapBuffers(HWComposer& hwc) const {
// We need to call eglSwapBuffers() if:
// (1) we don't have a hardware composer, or
// (2) we did GLES composition this frame, and either
// (a) we have framebuffer target support (not present on legacy
// devices, where HWComposer::commit() handles things); or
// (b) this is a virtual display
if (hwc.initCheck() != NO_ERROR ||
(hwc.hasGlesComposition(mHwcDisplayId) &&
(hwc.supportsFramebufferTarget() || mType >= DISPLAY_VIRTUAL))) {
EGLBoolean success = eglSwapBuffers(mDisplay, mSurface);
if (!success) {
EGLint error = eglGetError();
if (error == EGL_CONTEXT_LOST ||
mType == DisplayDevice::DISPLAY_PRIMARY) {
LOG_ALWAYS_FATAL("eglSwapBuffers(%p, %p) failed with 0x%08x",
mDisplay, mSurface, error);
} else {
ALOGE("eglSwapBuffers(%p, %p) failed with 0x%08x",
mDisplay, mSurface, error);
}
}
}
status_t result = mDisplaySurface->advanceFrame();
if (result != NO_ERROR) {
ALOGE("[%s] failed pushing new frame to HWC: %d",
mDisplayName.string(), result);
}
}
void DisplayDevice::disconnect(HWComposer& hwc) {
if (mHwcDisplayId >= 0) {
hwc.disconnectDisplay(mHwcDisplayId);
if (mHwcDisplayId >= DISPLAY_VIRTUAL)
hwc.freeDisplayId(mHwcDisplayId);
mHwcDisplayId = -1;
}
}
void DisplayDevice::onSwapBuffersCompleted(HWComposer& hwc) const {
if (hwc.initCheck() == NO_ERROR) {
if (hwc.supportsFramebufferTarget()) {
int fd = hwc.getAndResetReleaseFenceFd(mType);
mFramebufferSurface->setReleaseFenceFd(fd);
}
}
}
void DisplayDevice::swapBuffers(HWComposer& hwc) const {
// We need to call eglSwapBuffers() if:
// (1) we don't have a hardware composer, or
// (2) we did GLES composition this frame, and either
// (a) we have framebuffer target support (not present on legacy
// devices, where HWComposer::commit() handles things); or
// (b) this is a virtual display
if (hwc.initCheck() != NO_ERROR ||
(hwc.hasGlesComposition(mHwcDisplayId) &&
(hwc.supportsFramebufferTarget() || mType >= DISPLAY_VIRTUAL))) {
#ifndef MTK_DEFAULT_AOSP
// layer swap applied for HWC 1.1 and later
EGLBoolean success = EGL_TRUE;
if (mLayersSwapRequired) {
if (mType == DisplayDevice::DISPLAY_PRIMARY)
hwc.setWaitFramebufferTarget();
if (CC_UNLIKELY(mFlinger->sPropertiesState.mLineG3D))
drawDebugLine();
success = eglSwapBuffers(mDisplay, mSurface);
}
#else
EGLBoolean success = eglSwapBuffers(mDisplay, mSurface);
#endif
if (!success) {
EGLint error = eglGetError();
if (error == EGL_CONTEXT_LOST ||
mType == DisplayDevice::DISPLAY_PRIMARY) {
LOG_ALWAYS_FATAL("eglSwapBuffers(%p, %p) failed with 0x%08x",
mDisplay, mSurface, error);
} else {
ALOGE("eglSwapBuffers(%p, %p) failed with 0x%08x",
mDisplay, mSurface, error);
}
}
}
status_t result = mDisplaySurface->advanceFrame();
if (result != NO_ERROR) {
ALOGE("[%s] failed pushing new frame to HWC: %d",
mDisplayName.string(), result);
}
#ifndef MTK_DEFAULT_AOSP
// log display device FPS info for performace check
if (true == mFps.update()) {
ALOGI("[%s (type:%d)] fps:%f,dur:%.2f,max:%.2f,min:%.2f",
mDisplayName.string(), mType,
mFps.getFps(),
mFps.getLastLogDuration() / 1e6,
mFps.getMaxDuration() / 1e6,
mFps.getMinDuration() / 1e6);
}
#endif
}
status_t DisplayDevice::prepareFrame(const HWComposer& hwc) const {
DisplaySurface::CompositionType compositionType;
bool haveGles = hwc.hasGlesComposition(mHwcDisplayId);
bool haveHwc = hwc.hasHwcComposition(mHwcDisplayId);
if (haveGles && haveHwc) {
compositionType = DisplaySurface::COMPOSITION_MIXED;
} else if (haveGles) {
compositionType = DisplaySurface::COMPOSITION_GLES;
} else if (haveHwc) {
compositionType = DisplaySurface::COMPOSITION_HWC;
} else {
// Nothing to do -- when turning the screen off we get a frame like
// this. Call it a HWC frame since we won't be doing any GLES work but
// will do a prepare/set cycle.
compositionType = DisplaySurface::COMPOSITION_HWC;
}
return mDisplaySurface->prepareFrame(compositionType);
}
void DisplayDevice::onSwapBuffersCompleted(HWComposer& hwc) const {
if (hwc.initCheck() == NO_ERROR) {
mDisplaySurface->onFrameCommitted();
}
}
