/* * Copyright (C) 2010 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. */ #ifndef ANDROID_SF_HWCOMPOSER_H #define ANDROID_SF_HWCOMPOSER_H #include <stdint.h> #include <sys/types.h> #include <EGL/egl.h> #include <hardware/hwcomposer.h> #include <utils/StrongPointer.h> #include <utils/Vector.h> namespace android { // --------------------------------------------------------------------------- class String8; class SurfaceFlinger; class LayerBase; class HWComposer { public: HWComposer(const sp<SurfaceFlinger>& flinger); ~HWComposer(); status_t initCheck() const; // tells the HAL what the framebuffer is void setFrameBuffer(EGLDisplay dpy, EGLSurface sur); // create a work list for numLayers layer status_t createWorkList(size_t numLayers); // Asks the HAL what it can do status_t prepare() const; // disable hwc until next createWorkList status_t disable(); // commits the list status_t commit() const; // release hardware resources status_t release() const; size_t getNumLayers() const; hwc_layer_t* getLayers() const; // updated in preapre() size_t getLayerCount(int type) const; // for debugging void dump(String8& out, char* scratch, size_t SIZE, const Vector< sp<LayerBase> >& visibleLayersSortedByZ) const; private: struct cb_context { hwc_procs_t procs; HWComposer* hwc; }; static void hook_invalidate(struct hwc_procs* procs); void invalidate(); sp<SurfaceFlinger> mFlinger; hw_module_t const* mModule; hwc_composer_device_t* mHwc; hwc_layer_list_t* mList; size_t mCapacity; mutable size_t mNumOVLayers; mutable size_t mNumFBLayers; hwc_display_t mDpy; hwc_surface_t mSur; cb_context mCBContext; }; // --------------------------------------------------------------------------- }; // namespace android #endif // ANDROID_SF_HWCOMPOSER_H