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      1 /*
      2  * Copyright (C) 2007 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #include <ui/PixelFormat.h>
     18 
     19 // ----------------------------------------------------------------------------
     20 namespace android {
     21 // ----------------------------------------------------------------------------
     22 
     23 uint32_t bytesPerPixel(PixelFormat format) {
     24     switch (format) {
     25         case PIXEL_FORMAT_RGBA_FP16:
     26             return 8;
     27         case PIXEL_FORMAT_RGBA_8888:
     28         case PIXEL_FORMAT_RGBX_8888:
     29         case PIXEL_FORMAT_BGRA_8888:
     30         case PIXEL_FORMAT_RGBA_1010102:
     31             return 4;
     32         case PIXEL_FORMAT_RGB_888:
     33             return 3;
     34         case PIXEL_FORMAT_RGB_565:
     35         case PIXEL_FORMAT_RGBA_5551:
     36         case PIXEL_FORMAT_RGBA_4444:
     37             return 2;
     38     }
     39     return 0;
     40 }
     41 
     42 uint32_t bitsPerPixel(PixelFormat format) {
     43     switch (format) {
     44         case PIXEL_FORMAT_RGBA_FP16:
     45             return 64;
     46         case PIXEL_FORMAT_RGBA_8888:
     47         case PIXEL_FORMAT_RGBX_8888:
     48         case PIXEL_FORMAT_BGRA_8888:
     49         case PIXEL_FORMAT_RGBA_1010102:
     50             return 32;
     51         case PIXEL_FORMAT_RGB_888:
     52             return 24;
     53         case PIXEL_FORMAT_RGB_565:
     54         case PIXEL_FORMAT_RGBA_5551:
     55         case PIXEL_FORMAT_RGBA_4444:
     56             return 16;
     57     }
     58     return 0;
     59 }
     60 
     61 // ----------------------------------------------------------------------------
     62 }; // namespace android
     63 // ----------------------------------------------------------------------------
     64