1 /* 2 * Copyright (c) 2021 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef HDI_DRM_COMPOSITION_H 17 #define HDI_DRM_COMPOSITION_H 18 #include <vector> 19 #include <memory> 20 #include <xf86drm.h> 21 #include <xf86drmMode.h> 22 #include "drm_device.h" 23 #include "hdi_composer.h" 24 #include "hdi_device_common.h" 25 #include "hdi_drm_layer.h" 26 27 namespace OHOS { 28 namespace HDI { 29 namespace DISPLAY { 30 class AtomicReqPtr { 31 public: AtomicReqPtr(drmModeAtomicReqPtr ptr)32 explicit AtomicReqPtr(drmModeAtomicReqPtr ptr) : mPtr(ptr) 33 { 34 } ~AtomicReqPtr()35 virtual ~AtomicReqPtr() 36 { 37 if (mPtr != nullptr) { 38 drmModeAtomicFree(mPtr); 39 } 40 } Get()41 drmModeAtomicReqPtr Get() const 42 { 43 return mPtr; 44 } 45 46 private: 47 drmModeAtomicReqPtr mPtr; 48 }; 49 50 class HdiDrmComposition : public HdiComposition { 51 public: 52 HdiDrmComposition(const std::shared_ptr<DrmConnector> &connector, const std::shared_ptr<DrmCrtc> &crtc, 53 const std::shared_ptr<DrmDevice> &drmDevice); ~HdiDrmComposition()54 ~HdiDrmComposition() override 55 { 56 } 57 int32_t Init() override; 58 int32_t SetLayers(std::vector<HdiLayer *> &layers, HdiLayer &clientLayer) override; 59 int32_t Apply(bool modeSet) override; 60 int32_t UpdateMode(std::unique_ptr<DrmModeBlock> &modeBlock); 61 62 private: 63 int32_t ApplyPlane(HdiDrmLayer &layer, HdiLayer &hlayer, DrmPlane &drmPlane, drmModeAtomicReqPtr pset); 64 int32_t SetSrcProperty(DrmPlane &drmPlane, drmModeAtomicReqPtr pset, int32_t bufferW, int32_t bufferH); 65 int32_t SetCrtcProperty(DrmPlane &drmPlane, drmModeAtomicReqPtr pset, int32_t bufferW, int32_t bufferH); 66 int32_t RemoveUnusePlane(drmModeAtomicReqPtr pset); 67 int32_t FindPlaneAndApply(drmModeAtomicReqPtr pset); 68 std::shared_ptr<DrmDevice> mDrmDevice; 69 std::shared_ptr<DrmConnector> mConnector; 70 std::shared_ptr<DrmCrtc> mCrtc; 71 std::vector<std::shared_ptr<DrmPlane>> mPrimPlanes; 72 std::vector<std::shared_ptr<DrmPlane>> mOverlayPlanes; 73 std::vector<std::shared_ptr<DrmPlane>> mPlanes; 74 }; 75 } // OHOS 76 } // HDI 77 } // DISPLAY 78 79 #endif // HDI_DRM_COMPOSITION_H 80