replicant-frameworks_native/services/surfaceflinger/DisplayHardware/HWComposer.h
Mathias Agopian 8bfdda9ab3 fix transition from full overlays to fb
we need to clear the whole framebuffer in that situation because
we can't trust the content of the FB when partial (fb preserving)
updates are used.

Bug: 5318492

Change-Id: I3f0e01b0fb665a34e44d88ad9f0f54a5d990060b
2011-09-20 17:57:55 -07:00

99 lines
2.5 KiB
C++

/*
* 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