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
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 int getRgbDataAddress(private_handle_t* pHnd, void** rgb_data);
75
76 // To query if UBWC is enabled, based on format and usage flags
77 bool isUBwcEnabled(int format, int usage);
78
79 // Function to check if the format is an RGB format
80 bool isUncompressedRgbFormat(int format);
81
82 /*****************************************************************************/
83
84 class Locker {
85 pthread_mutex_t mutex;
86 pthread_cond_t cond;
87 public:
88 class Autolock {
89 Locker& locker;
90 public:
Autolock(Locker & locker)91 inline Autolock(Locker& locker) : locker(locker) { locker.lock(); }
~Autolock()92 inline ~Autolock() { locker.unlock(); }
93 };
Locker()94 inline Locker() {
95 pthread_mutex_init(&mutex, 0);
96 pthread_cond_init(&cond, 0);
97 }
~Locker()98 inline ~Locker() {
99 pthread_mutex_destroy(&mutex);
100 pthread_cond_destroy(&cond);
101 }
lock()102 inline void lock() { pthread_mutex_lock(&mutex); }
wait()103 inline void wait() { pthread_cond_wait(&cond, &mutex); }
unlock()104 inline void unlock() { pthread_mutex_unlock(&mutex); }
signal()105 inline void signal() { pthread_cond_signal(&cond); }
106 };
107
108
109 class 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 #endif /* GR_H_ */
201