| /* |
| * 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 |