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/*
* Copyright 2018 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <android/hardware/configstore/1.0/ISurfaceFlingerConfigs.h>
#include <android/native_window.h>
#include <android/surface_control.h>
#include <configstore/Utils.h>
#include <gui/HdrMetadata.h>
#include <gui/ISurfaceComposer.h>
#include <gui/Surface.h>
#include <gui/SurfaceComposerClient.h>
#include <gui/SurfaceControl.h>
#include <ui/HdrCapabilities.h>
#include <utils/Timers.h>
using namespace android::hardware::configstore;
using namespace android::hardware::configstore::V1_0;
using namespace android;
using android::hardware::configstore::V1_0::ISurfaceFlingerConfigs;
using Transaction = SurfaceComposerClient::Transaction;
#define CHECK_NOT_NULL(name) \
LOG_ALWAYS_FATAL_IF(name == nullptr, "nullptr passed as " #name " argument");
#define CHECK_VALID_RECT(name) \
LOG_ALWAYS_FATAL_IF(!static_cast<const Rect&>(name).isValid(), \
"invalid arg passed as " #name " argument");
static bool getWideColorSupport(const sp<SurfaceControl>& surfaceControl) {
sp<SurfaceComposerClient> client = surfaceControl->getClient();
const sp<IBinder> display = client->getInternalDisplayToken();
if (display == nullptr) {
ALOGE("unable to get wide color support for disconnected internal display");
return false;
}
bool isWideColorDisplay = false;
status_t err = client->isWideColorDisplay(display, &isWideColorDisplay);
if (err) {
ALOGE("unable to get wide color support");
return false;
}
return isWideColorDisplay;
}
static bool getHdrSupport(const sp<SurfaceControl>& surfaceControl) {
sp<SurfaceComposerClient> client = surfaceControl->getClient();
const sp<IBinder> display = client->getInternalDisplayToken();
if (display == nullptr) {
ALOGE("unable to get hdr capabilities for disconnected internal display");
return false;
}
HdrCapabilities hdrCapabilities;
status_t err = client->getHdrCapabilities(display, &hdrCapabilities);
if (err) {
ALOGE("unable to get hdr capabilities");
return false;
}
return !hdrCapabilities.getSupportedHdrTypes().empty();
}
static bool isDataSpaceValid(const sp<SurfaceControl>& surfaceControl, ADataSpace dataSpace) {
static_assert(static_cast<int>(ADATASPACE_UNKNOWN) == static_cast<int>(HAL_DATASPACE_UNKNOWN));
static_assert(static_cast<int>(ADATASPACE_SCRGB_LINEAR) == static_cast<int>(HAL_DATASPACE_V0_SCRGB_LINEAR));
static_assert(static_cast<int>(ADATASPACE_SRGB) == static_cast<int>(HAL_DATASPACE_V0_SRGB));
static_assert(static_cast<int>(ADATASPACE_SCRGB) == static_cast<int>(HAL_DATASPACE_V0_SCRGB));
static_assert(static_cast<int>(ADATASPACE_DISPLAY_P3) == static_cast<int>(HAL_DATASPACE_DISPLAY_P3));
static_assert(static_cast<int>(ADATASPACE_BT2020_PQ) == static_cast<int>(HAL_DATASPACE_BT2020_PQ));
switch (static_cast<android_dataspace_t>(dataSpace)) {
case HAL_DATASPACE_UNKNOWN:
case HAL_DATASPACE_V0_SRGB:
return true;
// These data space need wide gamut support.
case HAL_DATASPACE_V0_SCRGB_LINEAR:
case HAL_DATASPACE_V0_SCRGB:
case HAL_DATASPACE_DISPLAY_P3:
return getWideColorSupport(surfaceControl);
// These data space need HDR support.
case HAL_DATASPACE_BT2020_PQ:
if (!getHdrSupport(surfaceControl)) {
ALOGE("Invalid dataspace - device does not support hdr");
return false;
}
return true;
default:
return false;
}
}
Transaction* ASurfaceTransaction_to_Transaction(ASurfaceTransaction* aSurfaceTransaction) {
return reinterpret_cast<Transaction*>(aSurfaceTransaction);
}
SurfaceControl* ASurfaceControl_to_SurfaceControl(ASurfaceControl* aSurfaceControl) {
return reinterpret_cast<SurfaceControl*>(aSurfaceControl);
}
void SurfaceControl_acquire(SurfaceControl* surfaceControl) {
// incStrong/decStrong token must be the same, doesn't matter what it is
surfaceControl->incStrong((void*)SurfaceControl_acquire);
}
void SurfaceControl_release(SurfaceControl* surfaceControl) {
// incStrong/decStrong token must be the same, doesn't matter what it is
surfaceControl->decStrong((void*)SurfaceControl_acquire);
}
ASurfaceControl* ASurfaceControl_createFromWindow(ANativeWindow* window, const char* debug_name) {
CHECK_NOT_NULL(window);
CHECK_NOT_NULL(debug_name);
sp<SurfaceComposerClient> client = new SurfaceComposerClient();
if (client->initCheck() != NO_ERROR) {
return nullptr;
}
uint32_t flags = ISurfaceComposerClient::eFXSurfaceBufferState;
sp<SurfaceControl> surfaceControl =
client->createWithSurfaceParent(String8(debug_name), 0 /* width */, 0 /* height */,
// Format is only relevant for buffer queue layers.
PIXEL_FORMAT_UNKNOWN /* format */, flags,
static_cast<Surface*>(window));
if (!surfaceControl) {
return nullptr;
}
SurfaceControl_acquire(surfaceControl.get());
return reinterpret_cast<ASurfaceControl*>(surfaceControl.get());
}
ASurfaceControl* ASurfaceControl_create(ASurfaceControl* parent, const char* debug_name) {
CHECK_NOT_NULL(parent);
CHECK_NOT_NULL(debug_name);
SurfaceComposerClient* client = ASurfaceControl_to_SurfaceControl(parent)->getClient().get();
SurfaceControl* surfaceControlParent = ASurfaceControl_to_SurfaceControl(parent);
uint32_t flags = ISurfaceComposerClient::eFXSurfaceBufferState;
sp<SurfaceControl> surfaceControl =
client->createSurface(String8(debug_name), 0 /* width */, 0 /* height */,
// Format is only relevant for buffer queue layers.
PIXEL_FORMAT_UNKNOWN /* format */, flags,
surfaceControlParent);
if (!surfaceControl) {
return nullptr;
}
SurfaceControl_acquire(surfaceControl.get());
return reinterpret_cast<ASurfaceControl*>(surfaceControl.get());
}
void ASurfaceControl_release(ASurfaceControl* aSurfaceControl) {
sp<SurfaceControl> surfaceControl = ASurfaceControl_to_SurfaceControl(aSurfaceControl);
SurfaceControl_release(surfaceControl.get());
}
ASurfaceTransaction* ASurfaceTransaction_create() {
Transaction* transaction = new Transaction;
return reinterpret_cast<ASurfaceTransaction*>(transaction);
}
void ASurfaceTransaction_delete(ASurfaceTransaction* aSurfaceTransaction) {
Transaction* transaction = ASurfaceTransaction_to_Transaction(aSurfaceTransaction);
delete transaction;
}
void ASurfaceTransaction_apply(ASurfaceTransaction* aSurfaceTransaction) {
CHECK_NOT_NULL(aSurfaceTransaction);
Transaction* transaction = ASurfaceTransaction_to_Transaction(aSurfaceTransaction);
transaction->apply();
}
typedef struct ASurfaceControlStats {
int64_t acquireTime;
sp<Fence> previousReleaseFence;
} ASurfaceControlStats;
struct ASurfaceTransactionStats {
std::unordered_map<ASurfaceControl*, ASurfaceControlStats> aSurfaceControlStats;
int64_t latchTime;
sp<Fence> presentFence;
};
int64_t ASurfaceTransactionStats_getLatchTime(ASurfaceTransactionStats* aSurfaceTransactionStats) {
CHECK_NOT_NULL(aSurfaceTransactionStats);
return aSurfaceTransactionStats->latchTime;
}
int ASurfaceTransactionStats_getPresentFenceFd(ASurfaceTransactionStats* aSurfaceTransactionStats) {
CHECK_NOT_NULL(aSurfaceTransactionStats);
auto& presentFence = aSurfaceTransactionStats->presentFence;
return (presentFence) ? presentFence->dup() : -1;
}
void ASurfaceTransactionStats_getASurfaceControls(ASurfaceTransactionStats* aSurfaceTransactionStats,
ASurfaceControl*** outASurfaceControls,
size_t* outASurfaceControlsSize) {
CHECK_NOT_NULL(aSurfaceTransactionStats);
CHECK_NOT_NULL(outASurfaceControls);
CHECK_NOT_NULL(outASurfaceControlsSize);
size_t size = aSurfaceTransactionStats->aSurfaceControlStats.size();
SurfaceControl** surfaceControls = new SurfaceControl*[size];
ASurfaceControl** aSurfaceControls = reinterpret_cast<ASurfaceControl**>(surfaceControls);
size_t i = 0;
for (auto& [aSurfaceControl, aSurfaceControlStats] : aSurfaceTransactionStats->aSurfaceControlStats) {
aSurfaceControls[i] = aSurfaceControl;
i++;
}
*outASurfaceControls = aSurfaceControls;
*outASurfaceControlsSize = size;
}
int64_t ASurfaceTransactionStats_getAcquireTime(ASurfaceTransactionStats* aSurfaceTransactionStats,
ASurfaceControl* aSurfaceControl) {
CHECK_NOT_NULL(aSurfaceTransactionStats);
CHECK_NOT_NULL(aSurfaceControl);
const auto& aSurfaceControlStats =
aSurfaceTransactionStats->aSurfaceControlStats.find(aSurfaceControl);
LOG_ALWAYS_FATAL_IF(
aSurfaceControlStats == aSurfaceTransactionStats->aSurfaceControlStats.end(),
"ASurfaceControl not found");
return aSurfaceControlStats->second.acquireTime;
}
int ASurfaceTransactionStats_getPreviousReleaseFenceFd(
ASurfaceTransactionStats* aSurfaceTransactionStats, ASurfaceControl* aSurfaceControl) {
CHECK_NOT_NULL(aSurfaceTransactionStats);
CHECK_NOT_NULL(aSurfaceControl);
const auto& aSurfaceControlStats =
aSurfaceTransactionStats->aSurfaceControlStats.find(aSurfaceControl);
LOG_ALWAYS_FATAL_IF(
aSurfaceControlStats == aSurfaceTransactionStats->aSurfaceControlStats.end(),
"ASurfaceControl not found");
auto& previousReleaseFence = aSurfaceControlStats->second.previousReleaseFence;
return (previousReleaseFence) ? previousReleaseFence->dup() : -1;
}
void ASurfaceTransactionStats_releaseASurfaceControls(ASurfaceControl** aSurfaceControls) {
CHECK_NOT_NULL(aSurfaceControls);
SurfaceControl** surfaceControls = reinterpret_cast<SurfaceControl**>(aSurfaceControls);
delete[] surfaceControls;
}
void ASurfaceTransaction_setOnComplete(ASurfaceTransaction* aSurfaceTransaction, void* context,
ASurfaceTransaction_OnComplete func) {
CHECK_NOT_NULL(aSurfaceTransaction);
CHECK_NOT_NULL(context);
CHECK_NOT_NULL(func);
TransactionCompletedCallbackTakesContext callback = [func](void* callback_context,
nsecs_t latchTime,
const sp<Fence>& presentFence,
const std::vector<SurfaceControlStats>& surfaceControlStats) {
ASurfaceTransactionStats aSurfaceTransactionStats;
aSurfaceTransactionStats.latchTime = latchTime;
aSurfaceTransactionStats.presentFence = presentFence;
auto& aSurfaceControlStats = aSurfaceTransactionStats.aSurfaceControlStats;
for (const auto& [surfaceControl, latchTime, acquireTime, presentFence, previousReleaseFence, transformHint, frameEvents] : surfaceControlStats) {
ASurfaceControl* aSurfaceControl = reinterpret_cast<ASurfaceControl*>(surfaceControl.get());
aSurfaceControlStats[aSurfaceControl].acquireTime = acquireTime;
aSurfaceControlStats[aSurfaceControl].previousReleaseFence = previousReleaseFence;
}
(*func)(callback_context, &aSurfaceTransactionStats);
};
Transaction* transaction = ASurfaceTransaction_to_Transaction(aSurfaceTransaction);
transaction->addTransactionCompletedCallback(callback, context);
}
void ASurfaceTransaction_reparent(ASurfaceTransaction* aSurfaceTransaction,
ASurfaceControl* aSurfaceControl,
ASurfaceControl* newParentASurfaceControl) {
CHECK_NOT_NULL(aSurfaceTransaction);
CHECK_NOT_NULL(aSurfaceControl);
sp<SurfaceControl> surfaceControl = ASurfaceControl_to_SurfaceControl(aSurfaceControl);
sp<SurfaceControl> newParentSurfaceControl = ASurfaceControl_to_SurfaceControl(
newParentASurfaceControl);
sp<IBinder> newParentHandle = (newParentSurfaceControl)? newParentSurfaceControl->getHandle() : nullptr;
Transaction* transaction = ASurfaceTransaction_to_Transaction(aSurfaceTransaction);
transaction->reparent(surfaceControl, newParentHandle);
}
void ASurfaceTransaction_setVisibility(ASurfaceTransaction* aSurfaceTransaction,
ASurfaceControl* aSurfaceControl,
int8_t visibility) {
CHECK_NOT_NULL(aSurfaceTransaction);
CHECK_NOT_NULL(aSurfaceControl);
sp<SurfaceControl> surfaceControl = ASurfaceControl_to_SurfaceControl(aSurfaceControl);
Transaction* transaction = ASurfaceTransaction_to_Transaction(aSurfaceTransaction);
switch (visibility) {
case ASURFACE_TRANSACTION_VISIBILITY_SHOW:
transaction->show(surfaceControl);
break;
case ASURFACE_TRANSACTION_VISIBILITY_HIDE:
transaction->hide(surfaceControl);
break;
default:
LOG_ALWAYS_FATAL("invalid visibility %d", visibility);
}
}
void ASurfaceTransaction_setZOrder(ASurfaceTransaction* aSurfaceTransaction,
ASurfaceControl* aSurfaceControl,
int32_t z_order) {
CHECK_NOT_NULL(aSurfaceTransaction);
CHECK_NOT_NULL(aSurfaceControl);
sp<SurfaceControl> surfaceControl = ASurfaceControl_to_SurfaceControl(aSurfaceControl);
Transaction* transaction = ASurfaceTransaction_to_Transaction(aSurfaceTransaction);
transaction->setLayer(surfaceControl, z_order);
}
void ASurfaceTransaction_setBuffer(ASurfaceTransaction* aSurfaceTransaction,
ASurfaceControl* aSurfaceControl,
AHardwareBuffer* buffer, int acquire_fence_fd) {
CHECK_NOT_NULL(aSurfaceTransaction);
CHECK_NOT_NULL(aSurfaceControl);
sp<SurfaceControl> surfaceControl = ASurfaceControl_to_SurfaceControl(aSurfaceControl);
Transaction* transaction = ASurfaceTransaction_to_Transaction(aSurfaceTransaction);
sp<GraphicBuffer> graphic_buffer(reinterpret_cast<GraphicBuffer*>(buffer));
transaction->setBuffer(surfaceControl, graphic_buffer);
if (acquire_fence_fd != -1) {
sp<Fence> fence = new Fence(acquire_fence_fd);
transaction->setAcquireFence(surfaceControl, fence);
}
}
void ASurfaceTransaction_setGeometry(ASurfaceTransaction* aSurfaceTransaction,
ASurfaceControl* aSurfaceControl, const ARect& source,
const ARect& destination, int32_t transform) {
CHECK_NOT_NULL(aSurfaceTransaction);
CHECK_NOT_NULL(aSurfaceControl);
CHECK_VALID_RECT(source);
CHECK_VALID_RECT(destination);
sp<SurfaceControl> surfaceControl = ASurfaceControl_to_SurfaceControl(aSurfaceControl);
Transaction* transaction = ASurfaceTransaction_to_Transaction(aSurfaceTransaction);
transaction->setCrop(surfaceControl, static_cast<const Rect&>(source));
transaction->setFrame(surfaceControl, static_cast<const Rect&>(destination));
transaction->setTransform(surfaceControl, transform);
bool transformToInverseDisplay = (NATIVE_WINDOW_TRANSFORM_INVERSE_DISPLAY & transform) ==
NATIVE_WINDOW_TRANSFORM_INVERSE_DISPLAY;
transaction->setTransformToDisplayInverse(surfaceControl, transformToInverseDisplay);
}
void ASurfaceTransaction_setBufferTransparency(ASurfaceTransaction* aSurfaceTransaction,
ASurfaceControl* aSurfaceControl,
int8_t transparency) {
CHECK_NOT_NULL(aSurfaceTransaction);
CHECK_NOT_NULL(aSurfaceControl);
sp<SurfaceControl> surfaceControl = ASurfaceControl_to_SurfaceControl(aSurfaceControl);
Transaction* transaction = ASurfaceTransaction_to_Transaction(aSurfaceTransaction);
uint32_t flags = (transparency == ASURFACE_TRANSACTION_TRANSPARENCY_OPAQUE) ?
layer_state_t::eLayerOpaque : 0;
transaction->setFlags(surfaceControl, flags, layer_state_t::eLayerOpaque);
}
void ASurfaceTransaction_setDamageRegion(ASurfaceTransaction* aSurfaceTransaction,
ASurfaceControl* aSurfaceControl,
const ARect rects[], uint32_t count) {
CHECK_NOT_NULL(aSurfaceTransaction);
CHECK_NOT_NULL(aSurfaceControl);
sp<SurfaceControl> surfaceControl = ASurfaceControl_to_SurfaceControl(aSurfaceControl);
Transaction* transaction = ASurfaceTransaction_to_Transaction(aSurfaceTransaction);
Region region;
for (uint32_t i = 0; i < count; ++i) {
region.orSelf(static_cast<const Rect&>(rects[i]));
}
// Hardware composer interprets a DamageRegion with a single Rect of {0,0,0,0} to be an
// undamaged region and {0,0,-1,-1} to be a fully damaged buffer. This is a confusing
// distinction for a public api. Instead, default both cases to be a fully damaged buffer.
if (count == 1 && region.getBounds().isEmpty()) {
transaction->setSurfaceDamageRegion(surfaceControl, Region::INVALID_REGION);
return;
}
transaction->setSurfaceDamageRegion(surfaceControl, region);
}
void ASurfaceTransaction_setDesiredPresentTime(ASurfaceTransaction* aSurfaceTransaction,
int64_t desiredPresentTime) {
CHECK_NOT_NULL(aSurfaceTransaction);
Transaction* transaction = ASurfaceTransaction_to_Transaction(aSurfaceTransaction);
transaction->setDesiredPresentTime(static_cast<nsecs_t>(desiredPresentTime));
}
void ASurfaceTransaction_setBufferAlpha(ASurfaceTransaction* aSurfaceTransaction,
ASurfaceControl* aSurfaceControl,
float alpha) {
CHECK_NOT_NULL(aSurfaceTransaction);
CHECK_NOT_NULL(aSurfaceControl);
LOG_ALWAYS_FATAL_IF(alpha < 0.0 || alpha > 1.0, "invalid alpha");
sp<SurfaceControl> surfaceControl = ASurfaceControl_to_SurfaceControl(aSurfaceControl);
Transaction* transaction = ASurfaceTransaction_to_Transaction(aSurfaceTransaction);
transaction->setAlpha(surfaceControl, alpha);
}
void ASurfaceTransaction_setBufferDataSpace(ASurfaceTransaction* aSurfaceTransaction,
ASurfaceControl* aSurfaceControl,
ADataSpace aDataSpace) {
CHECK_NOT_NULL(aSurfaceTransaction);
CHECK_NOT_NULL(aSurfaceControl);
sp<SurfaceControl> surfaceControl = ASurfaceControl_to_SurfaceControl(aSurfaceControl);
if (!isDataSpaceValid(surfaceControl, aDataSpace)) {
ALOGE("Failed to set buffer dataspace - invalid dataspace");
return;
}
Transaction* transaction = ASurfaceTransaction_to_Transaction(aSurfaceTransaction);
transaction->setDataspace(surfaceControl, static_cast<ui::Dataspace>(aDataSpace));
}
void ASurfaceTransaction_setHdrMetadata_smpte2086(ASurfaceTransaction* aSurfaceTransaction,
ASurfaceControl* aSurfaceControl,
struct AHdrMetadata_smpte2086* metadata) {
CHECK_NOT_NULL(aSurfaceTransaction);
CHECK_NOT_NULL(aSurfaceControl);
sp<SurfaceControl> surfaceControl = ASurfaceControl_to_SurfaceControl(aSurfaceControl);
Transaction* transaction = ASurfaceTransaction_to_Transaction(aSurfaceTransaction);
HdrMetadata hdrMetadata;
if (metadata) {
hdrMetadata.smpte2086.displayPrimaryRed.x = metadata->displayPrimaryRed.x;
hdrMetadata.smpte2086.displayPrimaryRed.y = metadata->displayPrimaryRed.y;
hdrMetadata.smpte2086.displayPrimaryGreen.x = metadata->displayPrimaryGreen.x;
hdrMetadata.smpte2086.displayPrimaryGreen.y = metadata->displayPrimaryGreen.y;
hdrMetadata.smpte2086.displayPrimaryBlue.x = metadata->displayPrimaryBlue.x;
hdrMetadata.smpte2086.displayPrimaryBlue.y = metadata->displayPrimaryBlue.y;
hdrMetadata.smpte2086.whitePoint.x = metadata->whitePoint.x;
hdrMetadata.smpte2086.whitePoint.y = metadata->whitePoint.y;
hdrMetadata.smpte2086.minLuminance = metadata->minLuminance;
hdrMetadata.smpte2086.maxLuminance = metadata->maxLuminance;
hdrMetadata.validTypes |= HdrMetadata::SMPTE2086;
} else {
hdrMetadata.validTypes &= ~HdrMetadata::SMPTE2086;
}
transaction->setHdrMetadata(surfaceControl, hdrMetadata);
}
void ASurfaceTransaction_setHdrMetadata_cta861_3(ASurfaceTransaction* aSurfaceTransaction,
ASurfaceControl* aSurfaceControl,
struct AHdrMetadata_cta861_3* metadata) {
CHECK_NOT_NULL(aSurfaceTransaction);
CHECK_NOT_NULL(aSurfaceControl);
sp<SurfaceControl> surfaceControl = ASurfaceControl_to_SurfaceControl(aSurfaceControl);
Transaction* transaction = ASurfaceTransaction_to_Transaction(aSurfaceTransaction);
HdrMetadata hdrMetadata;
if (metadata) {
hdrMetadata.cta8613.maxContentLightLevel = metadata->maxContentLightLevel;
hdrMetadata.cta8613.maxFrameAverageLightLevel = metadata->maxFrameAverageLightLevel;
hdrMetadata.validTypes |= HdrMetadata::CTA861_3;
} else {
hdrMetadata.validTypes &= ~HdrMetadata::CTA861_3;
}
transaction->setHdrMetadata(surfaceControl, hdrMetadata);
}
void ASurfaceTransaction_setColor(ASurfaceTransaction* aSurfaceTransaction,
ASurfaceControl* aSurfaceControl,
float r, float g, float b, float alpha,
ADataSpace dataspace) {
CHECK_NOT_NULL(aSurfaceTransaction);
CHECK_NOT_NULL(aSurfaceControl);
sp<SurfaceControl> surfaceControl = ASurfaceControl_to_SurfaceControl(aSurfaceControl);
if (!isDataSpaceValid(surfaceControl, dataspace)) {
ALOGE("Failed to set buffer dataspace - invalid dataspace");
return;
}
Transaction* transaction = ASurfaceTransaction_to_Transaction(aSurfaceTransaction);
half3 color;
color.r = r;
color.g = g;
color.b = b;
transaction->setBackgroundColor(surfaceControl, color, alpha, static_cast<ui::Dataspace>(dataspace));
}
void ASurfaceTransaction_setFrameRate(ASurfaceTransaction* aSurfaceTransaction,
ASurfaceControl* aSurfaceControl, float frameRate) {
CHECK_NOT_NULL(aSurfaceTransaction);
CHECK_NOT_NULL(aSurfaceControl);
sp<SurfaceControl> surfaceControl = ASurfaceControl_to_SurfaceControl(aSurfaceControl);
if (frameRate < 0) {
ALOGE("Failed to set frame ate - invalid frame rate");
return;
}
Transaction* transaction = ASurfaceTransaction_to_Transaction(aSurfaceTransaction);
transaction->setFrameRate(surfaceControl, frameRate);
}