af5f5971d4
For split displays, earlier we allowed pipes to switch mixers in subsequent rounds. This change prevents that and makes sure there is one composition round where a pipe being transferred to another mixer of the same display is UNSET Change-Id: I3c679cc4256363eeb70c5cf8bcaf5047b8a064c2
234 lines
7.8 KiB
C++
234 lines
7.8 KiB
C++
/*
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* Copyright (C) 2012-2013, The Linux Foundation. All rights reserved.
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*
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* Not a Contribution, Apache license notifications and license are retained
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* for attribution purposes only.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef HWC_MDP_COMP
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#define HWC_MDP_COMP
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#include <hwc_utils.h>
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#include <idle_invalidator.h>
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#include <cutils/properties.h>
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#include <overlay.h>
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#define DEFAULT_IDLE_TIME 2000
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#define MAX_PIPES_PER_MIXER 4
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namespace overlay {
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class Rotator;
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};
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namespace qhwc {
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namespace ovutils = overlay::utils;
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class MDPComp {
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public:
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explicit MDPComp(int);
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virtual ~MDPComp(){};
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/*sets up mdp comp for the current frame */
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int prepare(hwc_context_t *ctx, hwc_display_contents_1_t* list);
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/* draw */
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virtual bool draw(hwc_context_t *ctx, hwc_display_contents_1_t *list) = 0;
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/* dumpsys */
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void dump(android::String8& buf);
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static MDPComp* getObject(const int& width, const int& rightSplit,
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const int& dpy);
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/* Handler to invoke frame redraw on Idle Timer expiry */
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static void timeout_handler(void *udata);
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/* Initialize MDP comp*/
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static bool init(hwc_context_t *ctx);
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static void resetIdleFallBack() { sIdleFallBack = false; }
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protected:
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enum ePipeType {
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MDPCOMP_OV_RGB = ovutils::OV_MDP_PIPE_RGB,
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MDPCOMP_OV_VG = ovutils::OV_MDP_PIPE_VG,
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MDPCOMP_OV_DMA = ovutils::OV_MDP_PIPE_DMA,
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MDPCOMP_OV_ANY,
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};
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/* mdp pipe data */
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struct MdpPipeInfo {
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int zOrder;
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virtual ~MdpPipeInfo(){};
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};
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/* per layer data */
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struct PipeLayerPair {
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MdpPipeInfo *pipeInfo;
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overlay::Rotator* rot;
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int listIndex;
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};
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/* per frame data */
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struct FrameInfo {
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/* maps layer list to mdp list */
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int layerCount;
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int layerToMDP[MAX_NUM_APP_LAYERS];
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/* maps mdp list to layer list */
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int mdpCount;
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struct PipeLayerPair mdpToLayer[MAX_PIPES_PER_MIXER];
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/* layer composing on FB? */
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int fbCount;
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bool isFBComposed[MAX_NUM_APP_LAYERS];
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bool needsRedraw;
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int fbZ;
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/* c'tor */
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FrameInfo();
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/* clear old frame data */
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void reset(const int& numLayers);
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void map();
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};
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/* cached data */
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struct LayerCache {
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int layerCount;
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int mdpCount;
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int cacheCount;
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int fbZ;
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buffer_handle_t hnd[MAX_NUM_APP_LAYERS];
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/* c'tor */
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LayerCache();
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/* clear caching info*/
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void reset();
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void cacheAll(hwc_display_contents_1_t* list);
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void updateCounts(const FrameInfo&);
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};
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/* allocates pipe from pipe book */
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virtual bool allocLayerPipes(hwc_context_t *ctx,
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hwc_display_contents_1_t* list) = 0;
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/* allocate MDP pipes from overlay */
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ovutils::eDest getMdpPipe(hwc_context_t *ctx, ePipeType type, int mixer);
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/* configures MPD pipes */
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virtual int configure(hwc_context_t *ctx, hwc_layer_1_t *layer,
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PipeLayerPair& pipeLayerPair) = 0;
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/* Checks for pipes needed versus pipes available */
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virtual bool arePipesAvailable(hwc_context_t *ctx,
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hwc_display_contents_1_t* list) = 0;
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/* set/reset flags for MDPComp */
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void setMDPCompLayerFlags(hwc_context_t *ctx,
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hwc_display_contents_1_t* list);
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/* checks for conditions where mdpcomp is not possible */
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bool isFrameDoable(hwc_context_t *ctx);
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/* checks for conditions where RGB layers cannot be bypassed */
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bool isFullFrameDoable(hwc_context_t *ctx, hwc_display_contents_1_t* list);
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/* checks if full MDP comp can be done */
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bool fullMDPComp(hwc_context_t *ctx, hwc_display_contents_1_t* list);
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/* check if we can use layer cache to do at least partial MDP comp */
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bool partialMDPComp(hwc_context_t *ctx, hwc_display_contents_1_t* list);
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/* checks for conditions where only video can be bypassed */
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bool isOnlyVideoDoable(hwc_context_t *ctx, hwc_display_contents_1_t* list);
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/* checks for conditions where YUV layers cannot be bypassed */
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bool isYUVDoable(hwc_context_t* ctx, hwc_layer_1_t* layer);
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/* set up Border fill as Base pipe */
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static bool setupBasePipe(hwc_context_t*);
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/* Is debug enabled */
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static bool isDebug() { return sDebugLogs ? true : false; };
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/* Is feature enabled */
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static bool isEnabled() { return sEnabled; };
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/* checks for mdp comp dimension limitation */
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bool isValidDimension(hwc_context_t *ctx, hwc_layer_1_t *layer);
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/* tracks non updating layers*/
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void updateLayerCache(hwc_context_t* ctx, hwc_display_contents_1_t* list);
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/* optimize layers for mdp comp*/
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void batchLayers();
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/* updates cache map with YUV info */
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void updateYUV(hwc_context_t* ctx, hwc_display_contents_1_t* list);
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bool programMDP(hwc_context_t *ctx, hwc_display_contents_1_t* list);
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bool programYUV(hwc_context_t *ctx, hwc_display_contents_1_t* list);
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void reset(const int& numAppLayers, hwc_display_contents_1_t* list);
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int mDpy;
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static bool sEnabled;
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static bool sEnableMixedMode;
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static bool sDebugLogs;
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static bool sIdleFallBack;
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static int sMaxPipesPerMixer;
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static IdleInvalidator *idleInvalidator;
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struct FrameInfo mCurrentFrame;
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struct LayerCache mCachedFrame;
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mutable Locker mMdpCompLock;
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};
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class MDPCompLowRes : public MDPComp {
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public:
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explicit MDPCompLowRes(int dpy):MDPComp(dpy){};
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virtual ~MDPCompLowRes(){};
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virtual bool draw(hwc_context_t *ctx, hwc_display_contents_1_t *list);
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private:
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struct MdpPipeInfoLowRes : public MdpPipeInfo {
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ovutils::eDest index;
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virtual ~MdpPipeInfoLowRes() {};
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};
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/* configure's overlay pipes for the frame */
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virtual int configure(hwc_context_t *ctx, hwc_layer_1_t *layer,
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PipeLayerPair& pipeLayerPair);
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/* allocates pipes to selected candidates */
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virtual bool allocLayerPipes(hwc_context_t *ctx,
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hwc_display_contents_1_t* list);
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/* Checks for pipes needed versus pipes available */
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virtual bool arePipesAvailable(hwc_context_t *ctx,
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hwc_display_contents_1_t* list);
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};
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class MDPCompHighRes : public MDPComp {
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public:
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explicit MDPCompHighRes(int dpy):MDPComp(dpy){};
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virtual ~MDPCompHighRes(){};
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virtual bool draw(hwc_context_t *ctx, hwc_display_contents_1_t *list);
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private:
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struct MdpPipeInfoHighRes : public MdpPipeInfo {
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ovutils::eDest lIndex;
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ovutils::eDest rIndex;
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virtual ~MdpPipeInfoHighRes() {};
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};
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bool acquireMDPPipes(hwc_context_t *ctx, hwc_layer_1_t* layer,
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MdpPipeInfoHighRes& pipe_info, ePipeType type);
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/* configure's overlay pipes for the frame */
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virtual int configure(hwc_context_t *ctx, hwc_layer_1_t *layer,
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PipeLayerPair& pipeLayerPair);
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/* allocates pipes to selected candidates */
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virtual bool allocLayerPipes(hwc_context_t *ctx,
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hwc_display_contents_1_t* list);
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/* Checks for pipes needed versus pipes available */
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virtual bool arePipesAvailable(hwc_context_t *ctx,
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hwc_display_contents_1_t* list);
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int pipesNeeded(hwc_context_t *ctx, hwc_display_contents_1_t* list,
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int mixer);
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};
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}; //namespace
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#endif
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