VR: Update VR HWC to use buffer metadata passed by SurfaceFlinger
Without gralloc1 support, need to pass buffer metadata in order to
import native buffers and used them as graphic buffers.
Bug: 36481301
Test: Compiled and ran on device; Verified VR Window Manager properly
displays SurfaceFlinger buffers.
Change-Id: I8426be1d79dcc2fbd631c399427ae03cb2afc21d
diff --git a/services/surfaceflinger/DisplayHardware/ComposerHal.cpp b/services/surfaceflinger/DisplayHardware/ComposerHal.cpp
index 33aa759..262ab62 100644
--- a/services/surfaceflinger/DisplayHardware/ComposerHal.cpp
+++ b/services/surfaceflinger/DisplayHardware/ComposerHal.cpp
@@ -17,7 +17,6 @@
#undef LOG_TAG
#define LOG_TAG "HwcComposer"
-#include <android/frameworks/vr/composer/1.0/IVrComposerClient.h>
#include <inttypes.h>
#include <log/log.h>
#include <gui/BufferQueue.h>
@@ -26,7 +25,6 @@
namespace android {
-using frameworks::vr::composer::V1_0::IVrComposerClient;
using hardware::Return;
using hardware::hidl_vec;
using hardware::hidl_handle;
@@ -124,6 +122,41 @@
endCommand();
}
+void Composer::CommandWriter::setClientTargetMetadata(
+ const IVrComposerClient::BufferMetadata& metadata)
+{
+ constexpr uint16_t kSetClientTargetMetadataLength = 7;
+ beginCommand(
+ static_cast<IComposerClient::Command>(
+ IVrComposerClient::VrCommand::SET_CLIENT_TARGET_METADATA),
+ kSetClientTargetMetadataLength);
+ writeBufferMetadata(metadata);
+ endCommand();
+}
+
+void Composer::CommandWriter::setLayerBufferMetadata(
+ const IVrComposerClient::BufferMetadata& metadata)
+{
+ constexpr uint16_t kSetLayerBufferMetadataLength = 7;
+ beginCommand(
+ static_cast<IComposerClient::Command>(
+ IVrComposerClient::VrCommand::SET_LAYER_BUFFER_METADATA),
+ kSetLayerBufferMetadataLength);
+ writeBufferMetadata(metadata);
+ endCommand();
+}
+
+void Composer::CommandWriter::writeBufferMetadata(
+ const IVrComposerClient::BufferMetadata& metadata)
+{
+ write(metadata.width);
+ write(metadata.height);
+ write(metadata.stride);
+ write(metadata.layerCount);
+ writeSigned(static_cast<int32_t>(metadata.format));
+ write64(metadata.usage);
+}
+
Composer::Composer(bool useVrComposer)
: mWriter(kWriterInitialSize),
mIsUsingVrComposer(useVrComposer)
@@ -426,12 +459,29 @@
}
Error Composer::setClientTarget(Display display, uint32_t slot,
- const native_handle_t* target,
+ const sp<GraphicBuffer>& target,
int acquireFence, Dataspace dataspace,
const std::vector<IComposerClient::Rect>& damage)
{
mWriter.selectDisplay(display);
- mWriter.setClientTarget(slot, target, acquireFence, dataspace, damage);
+ if (mIsUsingVrComposer && target.get()) {
+ IVrComposerClient::BufferMetadata metadata = {
+ .width = target->getWidth(),
+ .height = target->getHeight(),
+ .stride = target->getStride(),
+ .layerCount = target->getLayerCount(),
+ .format = static_cast<PixelFormat>(target->getPixelFormat()),
+ .usage = target->getUsage(),
+ };
+ mWriter.setClientTargetMetadata(metadata);
+ }
+
+ const native_handle_t* handle = nullptr;
+ if (target.get()) {
+ handle = target->getNativeBuffer()->handle;
+ }
+
+ mWriter.setClientTarget(slot, handle, acquireFence, dataspace, damage);
return Error::NONE;
}
@@ -502,11 +552,28 @@
}
Error Composer::setLayerBuffer(Display display, Layer layer,
- uint32_t slot, const native_handle_t* buffer, int acquireFence)
+ uint32_t slot, const sp<GraphicBuffer>& buffer, int acquireFence)
{
mWriter.selectDisplay(display);
mWriter.selectLayer(layer);
- mWriter.setLayerBuffer(slot, buffer, acquireFence);
+ if (mIsUsingVrComposer && buffer.get()) {
+ IVrComposerClient::BufferMetadata metadata = {
+ .width = buffer->getWidth(),
+ .height = buffer->getHeight(),
+ .stride = buffer->getStride(),
+ .layerCount = buffer->getLayerCount(),
+ .format = static_cast<PixelFormat>(buffer->getPixelFormat()),
+ .usage = buffer->getUsage(),
+ };
+ mWriter.setLayerBufferMetadata(metadata);
+ }
+
+ const native_handle_t* handle = nullptr;
+ if (buffer.get()) {
+ handle = buffer->getNativeBuffer()->handle;
+ }
+
+ mWriter.setLayerBuffer(slot, handle, acquireFence);
return Error::NONE;
}
diff --git a/services/surfaceflinger/DisplayHardware/ComposerHal.h b/services/surfaceflinger/DisplayHardware/ComposerHal.h
index 18af9dd..37b7766 100644
--- a/services/surfaceflinger/DisplayHardware/ComposerHal.h
+++ b/services/surfaceflinger/DisplayHardware/ComposerHal.h
@@ -23,6 +23,7 @@
#include <utility>
#include <vector>
+#include <android/frameworks/vr/composer/1.0/IVrComposerClient.h>
#include <android/hardware/graphics/composer/2.1/IComposer.h>
#include <utils/StrongPointer.h>
#include <IComposerCommandBuffer.h>
@@ -31,6 +32,8 @@
namespace Hwc2 {
+using android::frameworks::vr::composer::V1_0::IVrComposerClient;
+
using android::hardware::graphics::common::V1_0::ColorMode;
using android::hardware::graphics::common::V1_0::ColorTransform;
using android::hardware::graphics::common::V1_0::Dataspace;
@@ -179,7 +182,7 @@
* When target is not nullptr, the cache is updated with the new target.
*/
Error setClientTarget(Display display, uint32_t slot,
- const native_handle_t* target,
+ const sp<GraphicBuffer>& target,
int acquireFence, Dataspace dataspace,
const std::vector<IComposerClient::Rect>& damage);
Error setColorMode(Display display, ColorMode mode);
@@ -199,7 +202,7 @@
int32_t x, int32_t y);
/* see setClientTarget for the purpose of slot */
Error setLayerBuffer(Display display, Layer layer, uint32_t slot,
- const native_handle_t* buffer, int acquireFence);
+ const sp<GraphicBuffer>& buffer, int acquireFence);
Error setLayerSurfaceDamage(Display display, Layer layer,
const std::vector<IComposerClient::Rect>& damage);
Error setLayerBlendMode(Display display, Layer layer,
@@ -232,6 +235,14 @@
~CommandWriter() override;
void setLayerInfo(uint32_t type, uint32_t appId);
+ void setClientTargetMetadata(
+ const IVrComposerClient::BufferMetadata& metadata);
+ void setLayerBufferMetadata(
+ const IVrComposerClient::BufferMetadata& metadata);
+
+ private:
+ void writeBufferMetadata(
+ const IVrComposerClient::BufferMetadata& metadata);
};
// Many public functions above simply write a command into the command
diff --git a/services/surfaceflinger/DisplayHardware/HWC2.cpp b/services/surfaceflinger/DisplayHardware/HWC2.cpp
index e49e734..250631f 100644
--- a/services/surfaceflinger/DisplayHardware/HWC2.cpp
+++ b/services/surfaceflinger/DisplayHardware/HWC2.cpp
@@ -961,14 +961,19 @@
return static_cast<Error>(intError);
}
-Error Display::setClientTarget(uint32_t slot, buffer_handle_t target,
+Error Display::setClientTarget(uint32_t slot, const sp<GraphicBuffer>& target,
const sp<Fence>& acquireFence, android_dataspace_t dataspace)
{
// TODO: Properly encode client target surface damage
int32_t fenceFd = acquireFence->dup();
#ifdef BYPASS_IHWC
(void) slot;
- int32_t intError = mDevice.mSetClientTarget(mDevice.mHwcDevice, mId, target,
+ buffer_handle_t handle = nullptr;
+ if (target.get() && target->getNativeBuffer()) {
+ handle = target->getNativeBuffer()->handle;
+ }
+
+ int32_t intError = mDevice.mSetClientTarget(mDevice.mHwcDevice, mId, handle,
fenceFd, static_cast<int32_t>(dataspace), {0, nullptr});
#else
auto intError = mDevice.mComposer->setClientTarget(mId, slot, target,
@@ -1195,14 +1200,19 @@
return static_cast<Error>(intError);
}
-Error Layer::setBuffer(uint32_t slot, buffer_handle_t buffer,
+Error Layer::setBuffer(uint32_t slot, const sp<GraphicBuffer>& buffer,
const sp<Fence>& acquireFence)
{
int32_t fenceFd = acquireFence->dup();
#ifdef BYPASS_IHWC
(void) slot;
+ buffer_handle_t handle = nullptr;
+ if (buffer.get() && buffer->getNativeBuffer()) {
+ handle = buffer->getNativeBuffer()->handle;
+ }
+
int32_t intError = mDevice.mSetLayerBuffer(mDevice.mHwcDevice, mDisplayId,
- mId, buffer, fenceFd);
+ mId, handle, fenceFd);
#else
auto intError = mDevice.mComposer->setLayerBuffer(mDisplayId,
mId, slot, buffer, fenceFd);
diff --git a/services/surfaceflinger/DisplayHardware/HWC2.h b/services/surfaceflinger/DisplayHardware/HWC2.h
index 4419dc1..da6c06f 100644
--- a/services/surfaceflinger/DisplayHardware/HWC2.h
+++ b/services/surfaceflinger/DisplayHardware/HWC2.h
@@ -329,7 +329,7 @@
[[clang::warn_unused_result]] Error setActiveConfig(
const std::shared_ptr<const Config>& config);
[[clang::warn_unused_result]] Error setClientTarget(
- uint32_t slot, buffer_handle_t target,
+ uint32_t slot, const android::sp<android::GraphicBuffer>& target,
const android::sp<android::Fence>& acquireFence,
android_dataspace_t dataspace);
[[clang::warn_unused_result]] Error setColorMode(android_color_mode_t mode);
@@ -392,7 +392,7 @@
[[clang::warn_unused_result]] Error setCursorPosition(int32_t x, int32_t y);
[[clang::warn_unused_result]] Error setBuffer(uint32_t slot,
- buffer_handle_t buffer,
+ const android::sp<android::GraphicBuffer>& buffer,
const android::sp<android::Fence>& acquireFence);
[[clang::warn_unused_result]] Error setSurfaceDamage(
const android::Region& damage);
diff --git a/services/surfaceflinger/DisplayHardware/HWComposer.cpp b/services/surfaceflinger/DisplayHardware/HWComposer.cpp
index 09434f6..7314127 100644
--- a/services/surfaceflinger/DisplayHardware/HWComposer.cpp
+++ b/services/surfaceflinger/DisplayHardware/HWComposer.cpp
@@ -465,12 +465,7 @@
ALOGV("setClientTarget for display %d", displayId);
auto& hwcDisplay = mDisplayData[displayId].hwcDisplay;
- buffer_handle_t handle = nullptr;
- if ((target != nullptr) && target->getNativeBuffer()) {
- handle = target->getNativeBuffer()->handle;
- }
- auto error = hwcDisplay->setClientTarget(slot, handle,
- acquireFence, dataspace);
+ auto error = hwcDisplay->setClientTarget(slot, target, acquireFence, dataspace);
if (error != HWC2::Error::None) {
ALOGE("Failed to set client target for display %d: %s (%d)", displayId,
to_string(error).c_str(), static_cast<int32_t>(error));