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 #include <unistd.h>
28
29 #include <cutils/native_handle.h>
30 #include <utils/Singleton.h>
31 #include "adreno_utils.h"
32
33 /*****************************************************************************/
34
35 struct private_module_t;
36 struct private_handle_t;
37
roundUpToPageSize(unsigned int x)38 inline unsigned int roundUpToPageSize(unsigned int x) {
39 return (x + (getpagesize()-1)) & ~(getpagesize()-1);
40 }
41
42 template <class Type>
ALIGN(Type x,Type align)43 inline Type ALIGN(Type x, Type align) {
44 return (x + align-1) & ~(align-1);
45 }
46
47 #define FALSE 0
48 #define TRUE 1
49
50 int mapFrameBufferLocked(struct private_module_t* module);
51 int terminateBuffer(gralloc_module_t const* module, private_handle_t* hnd);
52 unsigned int getBufferSizeAndDimensions(int width, int height, int format,
53 int usage, int& alignedw, int &alignedh);
54 unsigned int getBufferSizeAndDimensions(int width, int height, int format,
55 int& alignedw, int &alignedh);
56
57
58 // Attributes include aligned width, aligned height, tileEnabled and size of the buffer
59 void getBufferAttributes(int width, int height, int format, int usage,
60 int& alignedw, int &alignedh,
61 int& tileEnabled, unsigned int &size);
62
63
64 bool isMacroTileEnabled(int format, int usage);
65
66 int decideBufferHandlingMechanism(int format, const char *compositionUsed,
67 int hasBlitEngine, int *needConversion,
68 int *useBufferDirectly);
69
70 // Allocate buffer from width, height, format into a private_handle_t
71 // It is the responsibility of the caller to free the buffer
72 int alloc_buffer(private_handle_t **pHnd, int w, int h, int format, int usage);
73 void free_buffer(private_handle_t *hnd);
74 int getYUVPlaneInfo(private_handle_t* pHnd, struct android_ycbcr* ycbcr);
75 int getRgbDataAddress(private_handle_t* pHnd, void** rgb_data);
76
77 // To query if UBWC is enabled, based on format and usage flags
78 bool isUBwcEnabled(int format, int usage);
79
80 // Function to check if the format is an RGB format
81 bool isUncompressedRgbFormat(int format);
82
83 /*****************************************************************************/
84
85 class Locker {
86 pthread_mutex_t mutex;
87 pthread_cond_t cond;
88 public:
89 class Autolock {
90 Locker& locker;
91 public:
Autolock(Locker & locker)92 inline Autolock(Locker& locker) : locker(locker) { locker.lock(); }
~Autolock()93 inline ~Autolock() { locker.unlock(); }
94 };
Locker()95 inline Locker() {
96 pthread_mutex_init(&mutex, 0);
97 pthread_cond_init(&cond, 0);
98 }
~Locker()99 inline ~Locker() {
100 pthread_mutex_destroy(&mutex);
101 pthread_cond_destroy(&cond);
102 }
lock()103 inline void lock() { pthread_mutex_lock(&mutex); }
wait()104 inline void wait() { pthread_cond_wait(&cond, &mutex); }
unlock()105 inline void unlock() { pthread_mutex_unlock(&mutex); }
signal()106 inline void signal() { pthread_cond_signal(&cond); }
107 };
108
109
110 class AdrenoMemInfo : public android::Singleton <AdrenoMemInfo>
111 {
112 public:
113 AdrenoMemInfo();
114
115 ~AdrenoMemInfo();
116
117 /*
118 * Function to compute aligned width and aligned height based on
119 * width, height, format and usage flags.
120 *
121 * @return aligned width, aligned height
122 */
123 void getAlignedWidthAndHeight(int width, int height, int format,
124 int usage, int& aligned_w, int& aligned_h);
125
126 /*
127 * Function to compute aligned width and aligned height based on
128 * private handle
129 *
130 * @return aligned width, aligned height
131 */
132 void getAlignedWidthAndHeight(const private_handle_t *hnd, int& aligned_w, int& aligned_h);
133
134 /*
135 * Function to compute the adreno aligned width and aligned height
136 * based on the width and format.
137 *
138 * @return aligned width, aligned height
139 */
140 void getGpuAlignedWidthHeight(int width, int height, int format,
141 int tileEnabled, int& alignedw, int &alignedh);
142
143 /*
144 * Function to compute unaligned width and unaligned height based on
145 * private handle
146 *
147 * @return unaligned width, unaligned height
148 */
149 void getUnalignedWidthAndHeight(const private_handle_t *hnd, int& unaligned_w,
150 int& unaligned_h);
151
152 /*
153 * Function to return whether GPU support MacroTile feature
154 *
155 * @return >0 : supported
156 * 0 : not supported
157 */
158 int isMacroTilingSupportedByGPU();
159
160 /*
161 * Function to query whether GPU supports UBWC for given HAL format
162 * @return > 0 : supported
163 * 0 : not supported
164 */
165 int isUBWCSupportedByGPU(int format);
166
167 /*
168 * Function to get the corresponding Adreno format for given HAL format
169 */
170 ADRENOPIXELFORMAT getGpuPixelFormat(int hal_format);
171
172 private:
173 // Overriding flag to disable UBWC alloc for graphics stack
174 int gfx_ubwc_disable;
175 // Pointer to the padding library.
176 void *libadreno_utils;
177
178 // link(s)to adreno surface padding library.
179 int (*LINK_adreno_compute_padding) (int width, int bpp,
180 int surface_tile_height,
181 int screen_tile_height,
182 int padding_threshold);
183
184 void (*LINK_adreno_compute_aligned_width_and_height) (int width,
185 int height,
186 int bpp,
187 int tile_mode,
188 int raster_mode,
189 int padding_threshold,
190 int *aligned_w,
191 int *aligned_h);
192
193 int (*LINK_adreno_isMacroTilingSupportedByGpu) (void);
194
195 void(*LINK_adreno_compute_compressedfmt_aligned_width_and_height)(
196 int width,
197 int height,
198 int format,
199 int tile_mode,
200 int raster_mode,
201 int padding_threshold,
202 int *aligned_w,
203 int *aligned_h,
204 int *bpp);
205
206 int (*LINK_adreno_isUBWCSupportedByGpu) (ADRENOPIXELFORMAT format);
207
208 unsigned int (*LINK_adreno_get_gpu_pixel_alignment) ();
209 };
210
211
212 class MDPCapabilityInfo : public android::Singleton <MDPCapabilityInfo>
213 {
214 int isMacroTileSupported = 0;
215 int isUBwcSupported = 0;
216 int isWBUBWCSupported = 0;
217
218 public:
219 MDPCapabilityInfo();
220 /*
221 * Function to return whether MDP support MacroTile feature
222 *
223 * @return 1 : supported
224 * 0 : not supported
225 */
isMacroTilingSupportedByMDP()226 int isMacroTilingSupportedByMDP() { return isMacroTileSupported; }
227 /*
228 * Function to return whether MDP supports UBWC feature
229 *
230 * @return 1 : supported
231 * 0 : not supported
232 */
isUBwcSupportedByMDP()233 int isUBwcSupportedByMDP() { return isUBwcSupported; }
234 /*
235 * Function to return whether MDP WB block outputs UBWC format
236 *
237 * @return 1 : supported
238 * 0 : not supported
239 */
isWBUBWCSupportedByMDP()240 int isWBUBWCSupportedByMDP() { return isWBUBWCSupported; }
241 };
242
243 #endif /* GR_H_ */
244