bool
HwcComposer2D::Commit()
{
hwc_display_contents_1_t *displays[HWC_NUM_DISPLAY_TYPES] = { nullptr };
displays[HWC_DISPLAY_PRIMARY] = mList;
for (uint32_t j=0; j < (mList->numHwLayers - 1); j++) {
mList->hwLayers[j].acquireFenceFd = -1;
if (mHwcLayerMap.IsEmpty() ||
(mList->hwLayers[j].compositionType == HWC_FRAMEBUFFER)) {
continue;
}
LayerRenderState state = mHwcLayerMap[j]->GetLayer()->GetRenderState();
if (!state.mTexture) {
continue;
}
TextureHostOGL* texture = state.mTexture->AsHostOGL();
if (!texture) {
continue;
}
sp<Fence> fence = texture->GetAndResetAcquireFence();
if (fence.get() && fence->isValid()) {
mList->hwLayers[j].acquireFenceFd = fence->dup();
}
}
int err = mHwc->set(mHwc, HWC_NUM_DISPLAY_TYPES, displays);
mPrevDisplayFence = mPrevRetireFence;
mPrevRetireFence = Fence::NO_FENCE;
for (uint32_t j=0; j < (mList->numHwLayers - 1); j++) {
if (mList->hwLayers[j].releaseFenceFd >= 0) {
int fd = mList->hwLayers[j].releaseFenceFd;
mList->hwLayers[j].releaseFenceFd = -1;
sp<Fence> fence = new Fence(fd);
LayerRenderState state = mHwcLayerMap[j]->GetLayer()->GetRenderState();
if (!state.mTexture) {
continue;
}
TextureHostOGL* texture = state.mTexture->AsHostOGL();
if (!texture) {
continue;
}
texture->SetReleaseFence(fence);
}
}
if (mList->retireFenceFd >= 0) {
mPrevRetireFence = new Fence(mList->retireFenceFd);
}
mPrepared = false;
return !err;
}
void
TiledLayerBufferComposite::SetReleaseFence(const android::sp<android::Fence>& aReleaseFence)
{
for (size_t i = 0; i < mRetainedTiles.Length(); i++) {
if (!mRetainedTiles[i].mTextureHost) {
continue;
}
TextureHostOGL* texture = mRetainedTiles[i].mTextureHost->AsHostOGL();
if (!texture) {
continue;
}
texture->SetReleaseFence(new android::Fence(aReleaseFence->dup()));
}
}
