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Add cfg file for control blit #126

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Add cfg file for control blit #126

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7 changes: 6 additions & 1 deletion hwc2_device/HwcLayer.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -272,6 +272,7 @@ static bool InitializeBlitter(BufferInfo &bi) {
}

void HwcLayer::ImportFb() {
FILE * fBlit;
if (!IsLayerUsableAsDevice() || !buffer_handle_updated_) {
return;
}
Expand Down Expand Up @@ -301,10 +302,14 @@ void HwcLayer::ImportFb() {
is_pixel_blend_mode_supported = false;

int kms_fd = parent_->GetPipe().device->GetFd();
bool use_shadow_fds = parent_->GetPipe().device->GetName() == "virtio_gpu" &&

fBlit = fopen("/vendor/etc/dgpu-blit.cfg", "r");
bool use_shadow_fds = fBlit && parent_->GetPipe().device->GetName() == "virtio_gpu" &&
!allow_p2p_ && (intel_dgpu_fd() >= 0) &&
!virtio_gpu_allow_p2p(kms_fd) && InitializeBlitter(layer_data_.bi.value());
layer_data_.bi->use_shadow_fds = use_shadow_fds;
if (fBlit)
fclose(fBlit);

if (allow_p2p_) {
for (int fd: layer_data_.bi->prime_fds) {
Expand Down