overlayMdp.h revision f96e0b957a215582702db2a5ec6c744afd94eae3 
1/*
2* Copyright (C) 2008 The Android Open Source Project
3* Copyright (c) 2010-2013, The Linux Foundation. All rights reserved.
4*
5* Licensed under the Apache License, Version 2.0 (the "License");
6* you may not use this file except in compliance with the License.
7* You may obtain a copy of the License at
8*
9*      http://www.apache.org/licenses/LICENSE-2.0
10*
11* Unless required by applicable law or agreed to in writing, software
12* distributed under the License is distributed on an "AS IS" BASIS,
13* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14* See the License for the specific language governing permissions and
15* limitations under the License.
16*/
17
18#ifndef OVERLAY_MDP_H
19#define OVERLAY_MDP_H
20
21#include <linux/msm_mdp.h>
22
23#include "overlayUtils.h"
24#include "mdpWrapper.h"
25#include "qdMetaData.h"
26#ifdef USES_POST_PROCESSING
27#include "lib-postproc.h"
28#endif
29
30namespace overlay{
31
32/*
33* Mdp Ctrl holds corresponding fd and MDP related struct.
34* It is simple wrapper to MDP services
35* */
36class MdpCtrl {
37public:
38    /* ctor reset */
39    explicit MdpCtrl(const int& dpy);
40    /* dtor close */
41    ~MdpCtrl();
42    /* init underlying device using fbnum for dpy */
43    bool init(const int& dpy);
44    /* unset overlay, reset and close fd */
45    bool close();
46    /* reset and set ov id to -1 / MSMFB_NEW_REQUEST */
47    void reset();
48    /* calls overlay set
49     * Set would always consult last good known ov instance.
50     * Only if it is different, set would actually exectue ioctl.
51     * On a sucess ioctl. last good known ov instance is updated */
52    bool set();
53    /* Sets the source total width, height, format */
54    void setSource(const utils::PipeArgs& pargs);
55    /*
56     * Sets ROI, the unpadded region, for source buffer.
57     * Dim - ROI dimensions.
58     */
59    void setCrop(const utils::Dim& d);
60    /* set color for mdp pipe */
61    void setColor(const uint32_t color);
62    void setTransform(const utils::eTransform& orient);
63    /* given a dim and w/h, set overlay dim */
64    void setPosition(const utils::Dim& dim);
65    /* using user_data, sets/unsets roationvalue in mdp flags */
66    void setRotationFlags();
67    /* Performs downscale calculations */
68    void setDownscale(int dscale_factor);
69    /* Update the src format with rotator's dest*/
70    void updateSrcFormat(const uint32_t& rotDstFormat);
71    /* dump state of the object */
72    void dump() const;
73    /* Return the dump in the specified buffer */
74    void getDump(char *buf, size_t len);
75    /* returns session id */
76    int getPipeId() const;
77    /* returns the fd associated to ctrl*/
78    int getFd() const;
79    /* returns a copy ro dst rect dim */
80    utils::Dim getDstRectDim() const;
81    /* returns a copy to src rect dim */
82    utils::Dim getSrcRectDim() const;
83    /* setVisualParam */
84    bool setVisualParams(const MetaData_t& data);
85
86    static bool validateAndSet(MdpCtrl* mdpCtrlArray[], const int& count,
87            const int& fbFd);
88private:
89    /* Perform transformation calculations */
90    void doTransform();
91    void doDownscale();
92    /* get orient / user_data[0] */
93    int getOrient() const;
94    /* returns flags from mdp structure */
95    int getFlags() const;
96    /* set flags to mdp structure */
97    void setFlags(int f);
98    /* set z order */
99    void setZ(utils::eZorder z);
100    /* set isFg flag */
101    void setIsFg(utils::eIsFg isFg);
102    /* return a copy of src whf*/
103    utils::Whf getSrcWhf() const;
104    /* set plane alpha */
105    void setPlaneAlpha(int planeAlpha);
106    /* set blending method */
107    void setBlending(overlay::utils::eBlending blending);
108
109    /* set src whf */
110    void setSrcWhf(const utils::Whf& whf);
111    /* set src/dst rect dim */
112    void setSrcRectDim(const utils::Dim d);
113    void setDstRectDim(const utils::Dim d);
114    /* returns user_data[0]*/
115    int getUserData() const;
116    /* sets user_data[0] */
117    void setUserData(int v);
118
119    utils::eTransform mOrientation; //Holds requested orientation
120    /* Actual overlay mdp structure */
121    mdp_overlay   mOVInfo;
122    /* FD for the mdp fbnum */
123    OvFD          mFd;
124    int mDownscale;
125    int mDpy;
126
127#ifdef USES_POST_PROCESSING
128    /* PP Compute Params */
129    struct compute_params mParams;
130#endif
131};
132
133
134/* MDP 3D related ctrl */
135class MdpCtrl3D {
136public:
137    /* ctor reset data */
138    MdpCtrl3D();
139    /* calls MSMFB_OVERLAY_3D */
140    bool close();
141    /* set w/h. format is ignored*/
142    void setWh(const utils::Whf& whf);
143    /* set is_3d calls MSMFB_OVERLAY_3D */
144    bool useVirtualFB();
145    /* set fd to be used in ioctl */
146    void setFd(int fd);
147    /* dump */
148    void dump() const;
149private:
150    /* reset */
151    void reset();
152    /* actual MSM 3D info */
153    msmfb_overlay_3d m3DOVInfo;
154    /* FD for the mdp 3D */
155    OvFD mFd;
156};
157
158/* MDP data */
159class MdpData {
160public:
161    /* ctor reset data */
162    explicit MdpData(const int& dpy);
163    /* dtor close*/
164    ~MdpData();
165    /* init FD */
166    bool init(const int& dpy);
167    /* memset0 the underlying mdp object */
168    void reset();
169    /* close fd, and reset */
170    bool close();
171    /* set id of mdp data */
172    void setPipeId(int id);
173    /* return ses id of data */
174    int getPipeId() const;
175    /* get underlying fd*/
176    int getFd() const;
177    /* get memory_id */
178    int getSrcMemoryId() const;
179    /* calls wrapper play */
180    bool play(int fd, uint32_t offset);
181    /* dump state of the object */
182    void dump() const;
183    /* Return the dump in the specified buffer */
184    void getDump(char *buf, size_t len);
185
186private:
187
188    /* actual overlay mdp data */
189    msmfb_overlay_data mOvData;
190    /* fd to mdp fbnum */
191    OvFD mFd;
192};
193
194//--------------Inlines---------------------------------
195
196/////   MdpCtrl  //////
197
198inline MdpCtrl::MdpCtrl(const int& dpy) {
199    reset();
200    init(dpy);
201}
202
203inline MdpCtrl::~MdpCtrl() {
204    close();
205}
206
207inline int MdpCtrl::getOrient() const {
208    return getUserData();
209}
210
211inline int MdpCtrl::getPipeId() const {
212    return mOVInfo.id;
213}
214
215inline int MdpCtrl::getFd() const {
216    return mFd.getFD();
217}
218
219inline int MdpCtrl::getFlags() const {
220    return mOVInfo.flags;
221}
222
223inline void MdpCtrl::setFlags(int f) {
224    mOVInfo.flags = f;
225}
226
227inline void MdpCtrl::setZ(overlay::utils::eZorder z) {
228    mOVInfo.z_order = z;
229}
230
231inline void MdpCtrl::setIsFg(overlay::utils::eIsFg isFg) {
232    mOVInfo.is_fg = isFg;
233}
234
235inline void MdpCtrl::setDownscale(int dscale) {
236    mDownscale = dscale;
237}
238
239inline void MdpCtrl::setPlaneAlpha(int planeAlpha) {
240    mOVInfo.alpha = planeAlpha;
241}
242
243inline void MdpCtrl::setBlending(overlay::utils::eBlending blending) {
244    switch((int) blending) {
245    case utils::OVERLAY_BLENDING_OPAQUE:
246        mOVInfo.blend_op = BLEND_OP_OPAQUE;
247        break;
248    case utils::OVERLAY_BLENDING_PREMULT:
249        mOVInfo.blend_op = BLEND_OP_PREMULTIPLIED;
250        break;
251    case utils::OVERLAY_BLENDING_COVERAGE:
252    default:
253        mOVInfo.blend_op = BLEND_OP_COVERAGE;
254    }
255}
256
257inline overlay::utils::Whf MdpCtrl::getSrcWhf() const {
258    return utils::Whf(  mOVInfo.src.width,
259                        mOVInfo.src.height,
260                        mOVInfo.src.format);
261}
262
263inline void MdpCtrl::setSrcWhf(const overlay::utils::Whf& whf) {
264    mOVInfo.src.width  = whf.w;
265    mOVInfo.src.height = whf.h;
266    mOVInfo.src.format = whf.format;
267}
268
269inline overlay::utils::Dim MdpCtrl::getSrcRectDim() const {
270    return utils::Dim(  mOVInfo.src_rect.x,
271                        mOVInfo.src_rect.y,
272                        mOVInfo.src_rect.w,
273                        mOVInfo.src_rect.h);
274}
275
276inline void MdpCtrl::setSrcRectDim(const overlay::utils::Dim d) {
277    mOVInfo.src_rect.x = d.x;
278    mOVInfo.src_rect.y = d.y;
279    mOVInfo.src_rect.w = d.w;
280    mOVInfo.src_rect.h = d.h;
281}
282
283inline overlay::utils::Dim MdpCtrl::getDstRectDim() const {
284    return utils::Dim(  mOVInfo.dst_rect.x,
285                        mOVInfo.dst_rect.y,
286                        mOVInfo.dst_rect.w,
287                        mOVInfo.dst_rect.h);
288}
289
290inline void MdpCtrl::setDstRectDim(const overlay::utils::Dim d) {
291    mOVInfo.dst_rect.x = d.x;
292    mOVInfo.dst_rect.y = d.y;
293    mOVInfo.dst_rect.w = d.w;
294    mOVInfo.dst_rect.h = d.h;
295}
296
297inline int MdpCtrl::getUserData() const { return mOVInfo.user_data[0]; }
298
299inline void MdpCtrl::setUserData(int v) { mOVInfo.user_data[0] = v; }
300
301inline void MdpCtrl::setRotationFlags() {
302    const int u = getUserData();
303    if (u & MDP_ROT_90)
304        mOVInfo.flags |= MDP_SOURCE_ROTATED_90;
305}
306
307///////    MdpCtrl3D //////
308
309inline MdpCtrl3D::MdpCtrl3D() { reset(); }
310inline bool MdpCtrl3D::close() {
311    if (m3DOVInfo.is_3d) {
312        m3DOVInfo.is_3d = 0;
313        if(!mdp_wrapper::set3D(mFd.getFD(), m3DOVInfo)) {
314            ALOGE("MdpCtrl3D close failed set3D with 0");
315            return false;
316        }
317    }
318    reset();
319    return true;
320}
321inline void MdpCtrl3D::reset() {
322    utils::memset0(m3DOVInfo);
323}
324
325inline void MdpCtrl3D::setFd(int fd) {
326    mFd.copy(fd);
327    OVASSERT(mFd.valid(), "MdpCtrl3D setFd, FD should be valid");
328}
329
330inline void MdpCtrl3D::setWh(const utils::Whf& whf) {
331    // ignore fmt. Needed for useVirtualFB callflow
332    m3DOVInfo.width = whf.w;
333    m3DOVInfo.height = whf.h;
334}
335
336inline bool MdpCtrl3D::useVirtualFB() {
337    if(!m3DOVInfo.is_3d) {
338        m3DOVInfo.is_3d = 1;
339        if(!mdp_wrapper::set3D(mFd.getFD(), m3DOVInfo)) {
340            ALOGE("MdpCtrl3D close failed set3D with 0");
341            return false;
342        }
343    }
344    return true;
345}
346
347///////    MdpData   //////
348
349inline MdpData::MdpData(const int& dpy) {
350    reset();
351    init(dpy);
352}
353
354inline MdpData::~MdpData() { close(); }
355
356inline void MdpData::reset() {
357    overlay::utils::memset0(mOvData);
358    mOvData.data.memory_id = -1;
359}
360
361inline bool MdpData::close() {
362    reset();
363    return mFd.close();
364}
365
366inline int MdpData::getSrcMemoryId() const { return mOvData.data.memory_id; }
367
368inline void MdpData::setPipeId(int id) { mOvData.id = id; }
369
370inline int MdpData::getPipeId() const { return mOvData.id; }
371
372inline int MdpData::getFd() const { return mFd.getFD(); }
373
374inline bool MdpData::play(int fd, uint32_t offset) {
375    mOvData.data.memory_id = fd;
376    mOvData.data.offset = offset;
377    if(!mdp_wrapper::play(mFd.getFD(), mOvData)){
378        ALOGE("MdpData failed to play");
379        dump();
380        return false;
381    }
382    return true;
383}
384
385} // overlay
386
387#endif // OVERLAY_MDP_H
388