1 /*
2 * Copyright (C) 2008 The Android Open Source Project
3 * Copyright (c) 2011-2012, 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
34 struct private_module_t;
35 struct private_handle_t;
36
roundUpToPageSize(unsigned int x)37 inline unsigned int roundUpToPageSize(unsigned int x) {
38 return (x + (PAGE_SIZE-1)) & ~(PAGE_SIZE-1);
39 }
40
41 template <class Type>
ALIGN(Type x,Type align)42 inline Type ALIGN(Type x, Type align) {
43 return (x + align-1) & ~(align-1);
44 }
45
46 #define FALSE 0
47 #define TRUE 1
48
49 int mapFrameBufferLocked(struct private_module_t* module);
50 int terminateBuffer(gralloc_module_t const* module, private_handle_t* hnd);
51 unsigned int getBufferSizeAndDimensions(int width, int height, int format,
52 int usage, int& alignedw, int &alignedh);
53 unsigned 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
58 void getBufferAttributes(int width, int height, int format, int usage,
59 int& alignedw, int &alignedh,
60 int& tileEnabled, unsigned int &size);
61
62
63 bool isMacroTileEnabled(int format, int usage);
64
65 int 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
71 int alloc_buffer(private_handle_t **pHnd, int w, int h, int format, int usage);
72 void free_buffer(private_handle_t *hnd);
73 int getYUVPlaneInfo(private_handle_t* pHnd, struct android_ycbcr* ycbcr);
74
75 // To query if UBWC is enabled, based on format and usage flags
76 bool isUBwcEnabled(int format, int usage);
77
78 // Function to check if the format is an uncompressed RGB format
79 bool isUncompressedRgbFormat(int format);
80
81 /*****************************************************************************/
82
83 class Locker {
84 pthread_mutex_t mutex;
85 pthread_cond_t cond;
86 public:
87 class Autolock {
88 Locker& locker;
89 public:
Autolock(Locker & locker)90 inline Autolock(Locker& locker) : locker(locker) { locker.lock(); }
~Autolock()91 inline ~Autolock() { locker.unlock(); }
92 };
Locker()93 inline Locker() {
94 pthread_mutex_init(&mutex, 0);
95 pthread_cond_init(&cond, 0);
96 }
~Locker()97 inline ~Locker() {
98 pthread_mutex_destroy(&mutex);
99 pthread_cond_destroy(&cond);
100 }
lock()101 inline void lock() { pthread_mutex_lock(&mutex); }
wait()102 inline void wait() { pthread_cond_wait(&cond, &mutex); }
unlock()103 inline void unlock() { pthread_mutex_unlock(&mutex); }
signal()104 inline void signal() { pthread_cond_signal(&cond); }
105 };
106
107
108 class AdrenoMemInfo : public android::Singleton <AdrenoMemInfo>
109 {
110 public:
111 AdrenoMemInfo();
112
113 ~AdrenoMemInfo();
114
115 /*
116 * Function to compute aligned width and aligned height based on
117 * width, height, format and usage flags.
118 *
119 * @return aligned width, aligned height
120 */
121 void getAlignedWidthAndHeight(int width, int height, int format,
122 int usage, int& aligned_w, int& aligned_h);
123
124 /*
125 * Function to compute the adreno aligned width and aligned height
126 * based on the width and format.
127 *
128 * @return aligned width, aligned height
129 */
130 void getGpuAlignedWidthHeight(int width, int height, int format,
131 int tileEnabled, int& alignedw, int &alignedh);
132
133 /*
134 * Function to return whether GPU support MacroTile feature
135 *
136 * @return >0 : supported
137 * 0 : not supported
138 */
139 int isMacroTilingSupportedByGPU();
140
141 /*
142 * Function to query whether GPU supports UBWC for given HAL format
143 * @return > 0 : supported
144 * 0 : not supported
145 */
146 int isUBWCSupportedByGPU(int format);
147
148 /*
149 * Function to get the corresponding Adreno format for given HAL format
150 */
151 ADRENOPIXELFORMAT getGpuPixelFormat(int hal_format);
152
153 private:
154 // Pointer to the padding library.
155 void *libadreno_utils;
156
157 // link(s)to adreno surface padding library.
158 int (*LINK_adreno_compute_padding) (int width, int bpp,
159 int surface_tile_height,
160 int screen_tile_height,
161 int padding_threshold);
162
163 void (*LINK_adreno_compute_aligned_width_and_height) (int width,
164 int height,
165 int bpp,
166 int tile_mode,
167 int raster_mode,
168 int padding_threshold,
169 int *aligned_w,
170 int *aligned_h);
171
172 int (*LINK_adreno_isMacroTilingSupportedByGpu) (void);
173
174 void(*LINK_adreno_compute_compressedfmt_aligned_width_and_height)(
175 int width,
176 int height,
177 int format,
178 int tile_mode,
179 int raster_mode,
180 int padding_threshold,
181 int *aligned_w,
182 int *aligned_h,
183 int *bpp);
184
185 int (*LINK_adreno_isUBWCSupportedByGpu) (ADRENOPIXELFORMAT format);
186 };
187 #endif /* GR_H_ */
188