/*
* Copyright (C) 2012-2013, 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_MDP_COMP
#define HWC_MDP_COMP
#include <hwc_utils.h>
#include <idle_invalidator.h>
#include <cutils/properties.h>
#include <overlay.h>
#define DEFAULT_IDLE_TIME 2000
#define MAX_PIPES_PER_MIXER 4
namespace overlay {
class Rotator;
};
namespace qhwc {
namespace ovutils = overlay::utils;
class MDPComp {
public:
explicit MDPComp(int);
virtual ~MDPComp(){};
/*sets up mdp comp for the current frame */
int prepare(hwc_context_t *ctx, hwc_display_contents_1_t* list);
/* draw */
virtual bool draw(hwc_context_t *ctx, hwc_display_contents_1_t *list) = 0;
/* dumpsys */
void dump(android::String8& buf);
static MDPComp* getObject(const int& width, const int dpy);
/* Handler to invoke frame redraw on Idle Timer expiry */
static void timeout_handler(void *udata);
/* Initialize MDP comp*/
static bool init(hwc_context_t *ctx);
static void resetIdleFallBack() { sIdleFallBack = false; }
protected:
enum ePipeType {
MDPCOMP_OV_RGB = ovutils::OV_MDP_PIPE_RGB,
MDPCOMP_OV_VG = ovutils::OV_MDP_PIPE_VG,
MDPCOMP_OV_DMA = ovutils::OV_MDP_PIPE_DMA,
MDPCOMP_OV_ANY,
};
/* mdp pipe data */
struct MdpPipeInfo {
int zOrder;
virtual ~MdpPipeInfo(){};
};
/* per layer data */
struct PipeLayerPair {
MdpPipeInfo *pipeInfo;
overlay::Rotator* rot;
int listIndex;
};
/* per frame data */
struct FrameInfo {
/* maps layer list to mdp list */
int layerCount;
int layerToMDP[MAX_NUM_APP_LAYERS];
/* maps mdp list to layer list */
int mdpCount;
struct PipeLayerPair mdpToLayer[MAX_PIPES_PER_MIXER];
/* layer composing on FB? */
int fbCount;
bool isFBComposed[MAX_NUM_APP_LAYERS];
bool needsRedraw;
int fbZ;
/* c'tor */
FrameInfo();
/* clear old frame data */
void reset(const int& numLayers);
void map();
};
/* cached data */
struct LayerCache {
int layerCount;
int mdpCount;
int cacheCount;
int fbZ;
buffer_handle_t hnd[MAX_NUM_APP_LAYERS];
/* c'tor */
LayerCache();
/* clear caching info*/
void reset();
void cacheAll(hwc_display_contents_1_t* list);
void updateCounts(const FrameInfo&);
};
/* No of pipes needed for Framebuffer */
virtual int pipesForFB() = 0;
/* calculates pipes needed for the panel */
virtual int pipesNeeded(hwc_context_t *ctx,
hwc_display_contents_1_t* list) = 0;
/* allocates pipe from pipe book */
virtual bool allocLayerPipes(hwc_context_t *ctx,
hwc_display_contents_1_t* list) = 0;
/* configures MPD pipes */
virtual int configure(hwc_context_t *ctx, hwc_layer_1_t *layer,
PipeLayerPair& pipeLayerPair) = 0;
/* set/reset flags for MDPComp */
void setMDPCompLayerFlags(hwc_context_t *ctx,
hwc_display_contents_1_t* list);
/* allocate MDP pipes from overlay */
ovutils::eDest getMdpPipe(hwc_context_t *ctx, ePipeType type);
/* checks for conditions where mdpcomp is not possible */
bool isFrameDoable(hwc_context_t *ctx);
/* checks for conditions where RGB layers cannot be bypassed */
bool isFullFrameDoable(hwc_context_t *ctx, hwc_display_contents_1_t* list);
/* checks if full MDP comp can be done */
bool fullMDPComp(hwc_context_t *ctx, hwc_display_contents_1_t* list);
/* check if we can use layer cache to do at least partial MDP comp */
bool partialMDPComp(hwc_context_t *ctx, hwc_display_contents_1_t* list);
/* checks for conditions where only video can be bypassed */
bool isOnlyVideoDoable(hwc_context_t *ctx, hwc_display_contents_1_t* list);
/* checks for conditions where YUV layers cannot be bypassed */
bool isYUVDoable(hwc_context_t* ctx, hwc_layer_1_t* layer);
/* set up Border fill as Base pipe */
static bool setupBasePipe(hwc_context_t*);
/* Is debug enabled */
static bool isDebug() { return sDebugLogs ? true : false; };
/* Is feature enabled */
static bool isEnabled() { return sEnabled; };
/* checks for mdp comp dimension limitation */
bool isValidDimension(hwc_context_t *ctx, hwc_layer_1_t *layer);
/* tracks non updating layers*/
void updateLayerCache(hwc_context_t* ctx, hwc_display_contents_1_t* list);
/* optimize layers for mdp comp*/
void batchLayers();
/* gets available pipes for mdp comp */
int getAvailablePipes(hwc_context_t* ctx);
/* updates cache map with YUV info */
void updateYUV(hwc_context_t* ctx, hwc_display_contents_1_t* list);
bool programMDP(hwc_context_t *ctx, hwc_display_contents_1_t* list);
bool programYUV(hwc_context_t *ctx, hwc_display_contents_1_t* list);
int mDpy;
static bool sEnabled;
static bool sDebugLogs;
static bool sIdleFallBack;
static int sMaxPipesPerMixer;
static IdleInvalidator *idleInvalidator;
struct FrameInfo mCurrentFrame;
struct LayerCache mCachedFrame;
};
class MDPCompLowRes : public MDPComp {
public:
explicit MDPCompLowRes(int dpy):MDPComp(dpy){};
virtual ~MDPCompLowRes(){};
virtual bool draw(hwc_context_t *ctx, hwc_display_contents_1_t *list);
private:
struct MdpPipeInfoLowRes : public MdpPipeInfo {
ovutils::eDest index;
virtual ~MdpPipeInfoLowRes() {};
};
virtual int pipesForFB() { return 1; };
/* configure's overlay pipes for the frame */
virtual int configure(hwc_context_t *ctx, hwc_layer_1_t *layer,
PipeLayerPair& pipeLayerPair);
/* allocates pipes to selected candidates */
virtual bool allocLayerPipes(hwc_context_t *ctx,
hwc_display_contents_1_t* list);
virtual int pipesNeeded(hwc_context_t *ctx, hwc_display_contents_1_t* list);
};
class MDPCompHighRes : public MDPComp {
public:
explicit MDPCompHighRes(int dpy):MDPComp(dpy){};
virtual ~MDPCompHighRes(){};
virtual bool draw(hwc_context_t *ctx, hwc_display_contents_1_t *list);
private:
struct MdpPipeInfoHighRes : public MdpPipeInfo {
ovutils::eDest lIndex;
ovutils::eDest rIndex;
virtual ~MdpPipeInfoHighRes() {};
};
bool acquireMDPPipes(hwc_context_t *ctx, hwc_layer_1_t* layer,
MdpPipeInfoHighRes& pipe_info, ePipeType type);
virtual int pipesForFB() { return 2; };
/* configure's overlay pipes for the frame */
virtual int configure(hwc_context_t *ctx, hwc_layer_1_t *layer,
PipeLayerPair& pipeLayerPair);
/* allocates pipes to selected candidates */
virtual bool allocLayerPipes(hwc_context_t *ctx,
hwc_display_contents_1_t* list);
virtual int pipesNeeded(hwc_context_t *ctx, hwc_display_contents_1_t* list);
};
}; //namespace
#endif