android_hardware_qcom_display/libhwcomposer/hwc_copybit.h
Ramakant Singh cefb36db5c libqdutils::Add support for qcomuiClearRegion
Add support for qcomuiClearRegion for draw
wormhole regions via CPU.

* Added separate singaltone class for getting
eglGetRenderBufferANDROID handle that can be
used by both copybit and clear_regions modules

CRs-Fixed: 383115

Change-Id: Ibeb5bdda87a60950889416e5b4d53e6eb5a3682e

Conflicts:
	libqdutils/Android.mk
2012-09-12 23:05:06 -05:00

105 lines
3.6 KiB
C++

/*
* Copyright (C) 2010 The Android Open Source Project
* Copyright (C) 2012, Code Aurora Forum. 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_COPYBIT_H
#define HWC_COPYBIT_H
#include "hwc_utils.h"
#include <EGL/egl.h>
#include <EGL/eglext.h>
#include <gralloc_priv.h>
#include <gr.h>
#include <dlfcn.h>
#define LIKELY( exp ) (__builtin_expect( (exp) != 0, true ))
#define UNLIKELY( exp ) (__builtin_expect( (exp) != 0, false ))
namespace qhwc {
class CopyBit {
public:
//Sets up members and prepares copybit if conditions are met
static bool prepare(hwc_context_t *ctx, hwc_layer_list_t *list);
//Draws layer if the layer is set for copybit in prepare
static bool draw(hwc_context_t *ctx, hwc_layer_list_t *list, EGLDisplay dpy,
EGLSurface sur);
//Receives data from hwc
static void setStats(int yuvCount, int yuvLayerIndex, bool isYuvLayerSkip);
static void updateEglHandles(void*);
static int drawLayerUsingCopybit(hwc_context_t *dev, hwc_layer_t *layer,
EGLDisplay dpy, EGLSurface surface,
android_native_buffer_t *renderBuffer);
static bool canUseCopybitForYUV (hwc_context_t *ctx);
static bool canUseCopybitForRGB (hwc_context_t *ctx,
hwc_layer_list_t *list);
static bool validateParams (hwc_context_t *ctx,
const hwc_layer_list_t *list);
static void closeEglLib();
static void openEglLibAndGethandle();
private:
//Marks layer flags if this feature is used
static void markFlags(hwc_layer_t *layer);
//returns yuv count
static int getYuvCount();
//Number of yuv layers in this drawing round
static int sYuvCount;
//Index of YUV layer, relevant only if count is 1
static int sYuvLayerIndex;
//Flags if a yuv layer is animating or below something that is animating
static bool sIsLayerSkip;
//Flags if this feature is on.
static bool sIsModeOn;
// flag that indicates whether CopyBit is enabled or not
static bool sCopyBitDraw;
static unsigned int getRGBRenderingArea (const hwc_layer_list_t *list);
static void getLayerResolution(const hwc_layer_t* layer,
unsigned int &width, unsigned int& height);
};
class CopybitEngine {
public:
~CopybitEngine();
// API to get copybit engine(non static)
struct copybit_device_t *getEngine();
// API to get singleton
static CopybitEngine* getInstance();
private:
CopybitEngine();
struct copybit_device_t *sEngine;
static CopybitEngine* sInstance; // singleton
};
inline void CopyBit::setStats(int yuvCount, int yuvLayerIndex,
bool isYuvLayerSkip) {
sYuvCount = yuvCount;
sYuvLayerIndex = yuvLayerIndex;
sIsLayerSkip = isYuvLayerSkip;
}
inline int CopyBit::getYuvCount() { return sYuvCount; }
}; //namespace qhwc
#endif //HWC_COPYBIT_H