1/*
2 * Copyright (C) 2008 The Android Open Source Project
3 * Copyright (c) 2011 - 2016, 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 GR_H_
19#define GR_H_
20
21#include <stdint.h>
22#include <limits.h>
23#include <sys/cdefs.h>
24#include <hardware/gralloc.h>
25#include <pthread.h>
26#include <errno.h>
27
28#include <cutils/native_handle.h>
29#include <utils/Singleton.h>
30#include "adreno_utils.h"
31
32/*****************************************************************************/
33
34struct private_module_t;
35struct private_handle_t;
36
37inline unsigned int roundUpToPageSize(unsigned int x) {
38    return (x + (PAGE_SIZE-1)) & ~(PAGE_SIZE-1);
39}
40
41template <class Type>
42inline Type ALIGN(Type x, Type align) {
43    return (x + align-1) & ~(align-1);
44}
45
46#define FALSE 0
47#define TRUE  1
48
49int mapFrameBufferLocked(struct private_module_t* module);
50int terminateBuffer(gralloc_module_t const* module, private_handle_t* hnd);
51unsigned int getBufferSizeAndDimensions(int width, int height, int format,
52        int usage, int& alignedw, int &alignedh);
53unsigned int getBufferSizeAndDimensions(int width, int height, int format,
54        int& alignedw, int &alignedh);
55
56
57// Attributes include aligned width, aligned height, tileEnabled and size of the buffer
58void getBufferAttributes(int width, int height, int format, int usage,
59                           int& alignedw, int &alignedh,
60                           int& tileEnabled, unsigned int &size);
61
62
63bool isMacroTileEnabled(int format, int usage);
64
65int decideBufferHandlingMechanism(int format, const char *compositionUsed,
66                                  int hasBlitEngine, int *needConversion,
67                                  int *useBufferDirectly);
68
69// Allocate buffer from width, height, format into a private_handle_t
70// It is the responsibility of the caller to free the buffer
71int alloc_buffer(private_handle_t **pHnd, int w, int h, int format, int usage);
72void free_buffer(private_handle_t *hnd);
73int getYUVPlaneInfo(private_handle_t* pHnd, struct android_ycbcr* ycbcr);
74int getRgbDataAddress(private_handle_t* pHnd, void** rgb_data);
75
76// To query if UBWC is enabled, based on format and usage flags
77bool isUBwcEnabled(int format, int usage);
78
79// Function to check if the format is an RGB format
80bool isUncompressedRgbFormat(int format);
81
82/*****************************************************************************/
83
84class Locker {
85    pthread_mutex_t mutex;
86    pthread_cond_t cond;
87    public:
88    class Autolock {
89        Locker& locker;
90        public:
91        inline Autolock(Locker& locker) : locker(locker) {  locker.lock(); }
92        inline ~Autolock() { locker.unlock(); }
93    };
94    inline Locker()        {
95        pthread_mutex_init(&mutex, 0);
96        pthread_cond_init(&cond, 0);
97    }
98    inline ~Locker()       {
99        pthread_mutex_destroy(&mutex);
100        pthread_cond_destroy(&cond);
101    }
102    inline void lock()     { pthread_mutex_lock(&mutex); }
103    inline void wait()     { pthread_cond_wait(&cond, &mutex); }
104    inline void unlock()   { pthread_mutex_unlock(&mutex); }
105    inline void signal()   { pthread_cond_signal(&cond); }
106};
107
108
109class AdrenoMemInfo : public android::Singleton <AdrenoMemInfo>
110{
111    public:
112    AdrenoMemInfo();
113
114    ~AdrenoMemInfo();
115
116    /*
117     * Function to compute aligned width and aligned height based on
118     * width, height, format and usage flags.
119     *
120     * @return aligned width, aligned height
121     */
122    void getAlignedWidthAndHeight(int width, int height, int format,
123                            int usage, int& aligned_w, int& aligned_h);
124
125    /*
126     * Function to compute aligned width and aligned height based on
127     * private handle
128     *
129     * @return aligned width, aligned height
130     */
131    void getAlignedWidthAndHeight(const private_handle_t *hnd, int& aligned_w, int& aligned_h);
132
133    /*
134     * Function to compute the adreno aligned width and aligned height
135     * based on the width and format.
136     *
137     * @return aligned width, aligned height
138     */
139    void getGpuAlignedWidthHeight(int width, int height, int format,
140                            int tileEnabled, int& alignedw, int &alignedh);
141
142    /*
143     * Function to return whether GPU support MacroTile feature
144     *
145     * @return >0 : supported
146     *          0 : not supported
147     */
148    int isMacroTilingSupportedByGPU();
149
150    /*
151     * Function to query whether GPU supports UBWC for given HAL format
152     * @return > 0 : supported
153     *           0 : not supported
154     */
155    int isUBWCSupportedByGPU(int format);
156
157    /*
158     * Function to get the corresponding Adreno format for given HAL format
159     */
160    ADRENOPIXELFORMAT getGpuPixelFormat(int hal_format);
161
162    private:
163        // Overriding flag to disable UBWC alloc for graphics stack
164        int  gfx_ubwc_disable;
165        // Pointer to the padding library.
166        void *libadreno_utils;
167
168        // link(s)to adreno surface padding library.
169        int (*LINK_adreno_compute_padding) (int width, int bpp,
170                                                int surface_tile_height,
171                                                int screen_tile_height,
172                                                int padding_threshold);
173
174        void (*LINK_adreno_compute_aligned_width_and_height) (int width,
175                                                int height,
176                                                int bpp,
177                                                int tile_mode,
178                                                int raster_mode,
179                                                int padding_threshold,
180                                                int *aligned_w,
181                                                int *aligned_h);
182
183        int (*LINK_adreno_isMacroTilingSupportedByGpu) (void);
184
185        void(*LINK_adreno_compute_compressedfmt_aligned_width_and_height)(
186                                                int width,
187                                                int height,
188                                                int format,
189                                                int tile_mode,
190                                                int raster_mode,
191                                                int padding_threshold,
192                                                int *aligned_w,
193                                                int *aligned_h,
194                                                int *bpp);
195
196        int (*LINK_adreno_isUBWCSupportedByGpu) (ADRENOPIXELFORMAT format);
197
198        unsigned int (*LINK_adreno_get_gpu_pixel_alignment) ();
199};
200
201
202class MDPCapabilityInfo : public android::Singleton <MDPCapabilityInfo>
203{
204    int isMacroTileSupported = 0;
205    int isUBwcSupported = 0;
206
207    public:
208        MDPCapabilityInfo();
209        /*
210        * Function to return whether MDP support MacroTile feature
211        *
212        * @return  1 : supported
213        *          0 : not supported
214        */
215        int isMacroTilingSupportedByMDP() { return isMacroTileSupported; }
216        /*
217        * Function to return whether MDP supports UBWC feature
218        *
219        * @return  1 : supported
220        *          0 : not supported
221        */
222        int isUBwcSupportedByMDP() { return isUBwcSupported; }
223};
224
225#endif /* GR_H_ */
226