You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
112 lines
3.8 KiB
112 lines
3.8 KiB
/*
|
|
* Copyright (C) 2010 The Android Open Source Project
|
|
* Copyright (C) 2012, The Linux Foundation. All rights reserved.
|
|
*
|
|
* Not a Contribution, Apache license notifications and license are
|
|
* retained for attribution purposes only.
|
|
*
|
|
* 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 HWC_FBUPDATE_H
|
|
#define HWC_FBUPDATE_H
|
|
#include "hwc_utils.h"
|
|
#include "overlay.h"
|
|
|
|
#define LIKELY( exp ) (__builtin_expect( (exp) != 0, true ))
|
|
#define UNLIKELY( exp ) (__builtin_expect( (exp) != 0, false ))
|
|
|
|
namespace overlay {
|
|
class Rotator;
|
|
}
|
|
|
|
namespace qhwc {
|
|
namespace ovutils = overlay::utils;
|
|
|
|
//Framebuffer update Interface
|
|
class IFBUpdate {
|
|
public:
|
|
explicit IFBUpdate(hwc_context_t *ctx, const int& dpy);
|
|
virtual ~IFBUpdate() {};
|
|
// Sets up members and prepares overlay if conditions are met
|
|
virtual bool prepare(hwc_context_t *ctx, hwc_display_contents_1 *list,
|
|
hwc_rect_t fbUpdatingRect, int fbZorder) = 0;
|
|
virtual bool prepareAndValidate(hwc_context_t *ctx,
|
|
hwc_display_contents_1 *list, int fbZorder);
|
|
// Draws layer
|
|
virtual bool draw(hwc_context_t *ctx, private_handle_t *hnd) = 0;
|
|
//Reset values
|
|
virtual void reset();
|
|
//Factory method that returns a low-res or high-res version
|
|
static IFBUpdate *getObject(hwc_context_t *ctx, const int& dpy);
|
|
|
|
protected:
|
|
const int mDpy; // display to update
|
|
bool mModeOn; // if prepare happened
|
|
overlay::Rotator *mRot;
|
|
int mAlignedFBWidth;
|
|
int mAlignedFBHeight;
|
|
int mTileEnabled;
|
|
};
|
|
|
|
//Non-Split panel handler.
|
|
class FBUpdateNonSplit : public IFBUpdate {
|
|
public:
|
|
explicit FBUpdateNonSplit(hwc_context_t *ctx, const int& dpy);
|
|
virtual ~FBUpdateNonSplit() {};
|
|
bool prepare(hwc_context_t *ctx, hwc_display_contents_1 *list,
|
|
hwc_rect_t fbUpdatingRect, int fbZorder);
|
|
bool draw(hwc_context_t *ctx, private_handle_t *hnd);
|
|
void reset();
|
|
private:
|
|
bool configure(hwc_context_t *ctx, hwc_display_contents_1 *list,
|
|
hwc_rect_t fbUpdatingRect, int fbZorder);
|
|
bool preRotateExtDisplay(hwc_context_t *ctx,
|
|
hwc_layer_1_t *layer,
|
|
ovutils::Whf &info,
|
|
hwc_rect_t& sourceCrop,
|
|
ovutils::eMdpFlags& mdpFlags,
|
|
int& rotFlags);
|
|
ovutils::eDest mDest; //pipe to draw on
|
|
};
|
|
|
|
//Split panel handler.
|
|
class FBUpdateSplit : public IFBUpdate {
|
|
public:
|
|
explicit FBUpdateSplit(hwc_context_t *ctx, const int& dpy);
|
|
virtual ~FBUpdateSplit() {};
|
|
bool prepare(hwc_context_t *ctx, hwc_display_contents_1 *list,
|
|
hwc_rect_t fbUpdatingRect, int fbZorder);
|
|
bool draw(hwc_context_t *ctx, private_handle_t *hnd);
|
|
void reset();
|
|
|
|
protected:
|
|
virtual bool configure(hwc_context_t *ctx, hwc_display_contents_1 *list,
|
|
hwc_rect_t fbUpdatingRect, int fbZorder);
|
|
ovutils::eDest mDestLeft; //left pipe to draw on
|
|
ovutils::eDest mDestRight; //right pipe to draw on
|
|
};
|
|
|
|
//Source Split Handler
|
|
class FBSrcSplit : public FBUpdateSplit {
|
|
public:
|
|
explicit FBSrcSplit(hwc_context_t *ctx, const int& dpy);
|
|
virtual ~FBSrcSplit() {};
|
|
private:
|
|
bool configure(hwc_context_t *ctx, hwc_display_contents_1 *list,
|
|
hwc_rect_t fbUpdatingRect, int fbZorder);
|
|
};
|
|
|
|
}; //namespace qhwc
|
|
|
|
#endif //HWC_FBUPDATE_H
|