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-rw-r--r--graphics/composer/2.1/utils/passthrough/include/composer-passthrough/2.1/HwcHal.h28
-rw-r--r--graphics/composer/2.3/utils/passthrough/include/composer-passthrough/2.3/HwcHal.h101
2 files changed, 123 insertions, 6 deletions
diff --git a/graphics/composer/2.1/utils/passthrough/include/composer-passthrough/2.1/HwcHal.h b/graphics/composer/2.1/utils/passthrough/include/composer-passthrough/2.1/HwcHal.h
index 436e4612bb..5826b126bb 100644
--- a/graphics/composer/2.1/utils/passthrough/include/composer-passthrough/2.1/HwcHal.h
+++ b/graphics/composer/2.1/utils/passthrough/include/composer-passthrough/2.1/HwcHal.h
@@ -162,6 +162,7 @@ class HwcHalImpl : public Hal {
Error destroyLayer(Display display, Layer layer) override {
int32_t err = mDispatch.destroyLayer(mDevice, display, layer);
+ onLayerDestroyed(display, layer);
return static_cast<Error>(err);
}
@@ -327,6 +328,7 @@ class HwcHalImpl : public Hal {
std::vector<IComposerClient::Composition>* outCompositionTypes,
uint32_t* outDisplayRequestMask, std::vector<Layer>* outRequestedLayers,
std::vector<uint32_t>* outRequestMasks) override {
+ onBeforeValidateDisplay(display);
uint32_t typesCount = 0;
uint32_t reqsCount = 0;
int32_t err = mDispatch.validateDisplay(mDevice, display, &typesCount, &reqsCount);
@@ -335,17 +337,15 @@ class HwcHalImpl : public Hal {
return static_cast<Error>(err);
}
- err = mDispatch.getChangedCompositionTypes(mDevice, display, &typesCount, nullptr, nullptr);
+ err = getChangedCompositionTypes(display, &typesCount, nullptr, nullptr);
if (err != HWC2_ERROR_NONE) {
return static_cast<Error>(err);
}
std::vector<Layer> changedLayers(typesCount);
std::vector<IComposerClient::Composition> compositionTypes(typesCount);
- err = mDispatch.getChangedCompositionTypes(
- mDevice, display, &typesCount, changedLayers.data(),
- reinterpret_cast<std::underlying_type<IComposerClient::Composition>::type*>(
- compositionTypes.data()));
+ err = getChangedCompositionTypes(display, &typesCount, changedLayers.data(),
+ compositionTypes.data());
if (err != HWC2_ERROR_NONE) {
return static_cast<Error>(err);
}
@@ -578,6 +578,15 @@ class HwcHalImpl : public Hal {
return true;
}
+ virtual int32_t getChangedCompositionTypes(Display display, uint32_t* outTypesCount,
+ Layer* outChangedLayers,
+ IComposerClient::Composition* outCompositionTypes) {
+ return getChangedCompositionTypesInternal(display, outTypesCount, outChangedLayers,
+ outCompositionTypes);
+ }
+ virtual void onLayerDestroyed(Display /* display */, Layer /* layer */) {}
+ virtual void onBeforeValidateDisplay(Display /* display */) {}
+
static void hotplugHook(hwc2_callback_data_t callbackData, hwc2_display_t display,
int32_t connected) {
auto hal = static_cast<HwcHalImpl*>(callbackData);
@@ -596,6 +605,15 @@ class HwcHalImpl : public Hal {
hal->mEventCallback->onVsync(display, timestamp);
}
+ int32_t getChangedCompositionTypesInternal(Display display, uint32_t* outTypesCount,
+ Layer* outChangedLayers,
+ IComposerClient::Composition* outCompositionTypes) {
+ return mDispatch.getChangedCompositionTypes(
+ mDevice, display, outTypesCount, outChangedLayers,
+ reinterpret_cast<std::underlying_type<IComposerClient::Composition>::type*>(
+ outCompositionTypes));
+ }
+
hwc2_device_t* mDevice = nullptr;
std::unordered_set<hwc2_capability_t> mCapabilities;
diff --git a/graphics/composer/2.3/utils/passthrough/include/composer-passthrough/2.3/HwcHal.h b/graphics/composer/2.3/utils/passthrough/include/composer-passthrough/2.3/HwcHal.h
index 070cf80e44..9d67e0442d 100644
--- a/graphics/composer/2.3/utils/passthrough/include/composer-passthrough/2.3/HwcHal.h
+++ b/graphics/composer/2.3/utils/passthrough/include/composer-passthrough/2.3/HwcHal.h
@@ -42,6 +42,20 @@ using common::V1_2::PixelFormat;
using V2_1::Display;
using V2_1::Error;
+namespace {
+
+bool isIdentityMatrix(const float* matrix) {
+ if (matrix[0] == 1.0 && matrix[1] == 0.0 && matrix[2] == 0.0 && matrix[3] == 0.0 &&
+ matrix[4] == 0.0 && matrix[5] == 1.0 && matrix[6] == 0.0 && matrix[7] == 0.0 &&
+ matrix[8] == 0.0 && matrix[9] == 0.0 && matrix[10] == 1.0 && matrix[11] == 0.0 &&
+ matrix[12] == 0.0 && matrix[13] == 0.0 && matrix[14] == 0.0 && matrix[15] == 1.0) {
+ return true;
+ }
+ return false;
+}
+
+} // namespace
+
// HwcHalImpl implements V2_*::hal::ComposerHal on top of hwcomposer2
template <typename Hal>
class HwcHalImpl : public V2_2::passthrough::detail::HwcHalImpl<Hal> {
@@ -130,6 +144,16 @@ class HwcHalImpl : public V2_2::passthrough::detail::HwcHalImpl<Hal> {
Error setLayerColorTransform(Display display, Layer layer, const float* matrix) override {
if (!mDispatch.setLayerColorTransform) {
+ if (isIdentityMatrix(matrix)) {
+ // If an identity matrix is set, then we can remove the layer from client
+ // composition list.
+ mClientCompositionLayers[display].erase(layer);
+ return Error::UNSUPPORTED;
+ }
+ // if setLayerColorTransform is not implemented, per spec we want to make sure the
+ // layer marked as client composition, and thus we maintain a list, and mark all these
+ // layers as client composition later before validate the display.
+ mClientCompositionLayers[display].insert(layer);
return Error::UNSUPPORTED;
}
int32_t err = mDispatch.setLayerColorTransform(mDevice, display, layer, matrix);
@@ -294,7 +318,79 @@ class HwcHalImpl : public V2_2::passthrough::detail::HwcHalImpl<Hal> {
return true;
}
- private:
+ int32_t getChangedCompositionTypes(Display display, uint32_t* outTypesCount,
+ Layer* outChangedLayers,
+ IComposerClient::Composition* outCompositionTypes) override {
+ if (outChangedLayers == nullptr && outCompositionTypes == nullptr) {
+ uint32_t typesCount = 0;
+ int32_t error = BaseType2_1::getChangedCompositionTypesInternal(display, &typesCount,
+ nullptr, nullptr);
+ if (error != HWC2_ERROR_NONE) {
+ return error;
+ }
+ mChangedLayersCache[display].reserve(typesCount);
+ mCompositionTypesCache[display].reserve(typesCount);
+ error = BaseType2_1::getChangedCompositionTypesInternal(
+ display, &typesCount, mChangedLayersCache[display].data(),
+ mCompositionTypesCache[display].data());
+ if (error != HWC2_ERROR_NONE) {
+ return error;
+ }
+ for (Layer layer : mClientCompositionLayers[display]) {
+ bool exist = false;
+ for (uint32_t i = 0; i < typesCount; ++i) {
+ if (mChangedLayersCache[display][i] == layer) {
+ exist = true;
+ break;
+ }
+ }
+ if (!exist) {
+ mChangedLayersCache[display].push_back(layer);
+ mCompositionTypesCache[display].push_back(IComposerClient::Composition::CLIENT);
+ }
+ }
+ *outTypesCount = mChangedLayersCache[display].size();
+ return error;
+ }
+ for (uint32_t i = 0; i < *outTypesCount; ++i) {
+ if (outChangedLayers != nullptr) {
+ outChangedLayers[i] = mChangedLayersCache[display][i];
+ }
+ if (outCompositionTypes != nullptr) {
+ outCompositionTypes[i] = mCompositionTypesCache[display][i];
+ }
+ }
+ return HWC2_ERROR_NONE;
+ }
+
+ void onLayerDestroyed(Display display, Layer layer) override {
+ if (mClientCompositionLayers.find(display) == mClientCompositionLayers.end()) {
+ return;
+ }
+ mClientCompositionLayers[display].erase(layer);
+ }
+
+ void onBeforeValidateDisplay(Display display) override {
+ if (mClientCompositionLayers.find(display) == mClientCompositionLayers.end()) {
+ return;
+ }
+
+ // clear the cache proactively so that we don't hold too much memory over time.
+ mChangedLayersCache[display].clear();
+ mCompositionTypesCache[display].clear();
+
+ // SET_LAYER_COLOR_TRANSFORM is optional, and thus if it's not implemented, we need to
+ // follow the spec to make sure those layers marked as client composition before validate
+ // the display.
+ if (!mDispatch.setLayerColorTransform) {
+ for (Layer layer : mClientCompositionLayers[display]) {
+ BaseType2_1::setLayerCompositionType(
+ display, layer, static_cast<int32_t>(IComposerClient::Composition::CLIENT));
+ }
+ }
+ }
+
+ private:
struct {
HWC2_PFN_GET_DISPLAY_IDENTIFICATION_DATA getDisplayIdentificationData;
HWC2_PFN_SET_LAYER_COLOR_TRANSFORM setLayerColorTransform;
@@ -318,6 +414,9 @@ class HwcHalImpl : public V2_2::passthrough::detail::HwcHalImpl<Hal> {
using BaseType2_2::getRenderIntents;
using BaseType2_2::setColorMode_2_2;
using BaseType2_2::setLayerPerFrameMetadata;
+ std::map<Display, std::set<Layer>> mClientCompositionLayers;
+ std::map<Display, std::vector<Layer>> mChangedLayersCache;
+ std::map<Display, std::vector<IComposerClient::Composition>> mCompositionTypesCache;
};
} // namespace detail
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-03 22:24:21 +0000