1 /* 2 * Copyright (C) 2005 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 // 18 19 // Pixel formats used across the system. 20 // These formats might not all be supported by all renderers, for instance 21 // skia or SurfaceFlinger are not required to support all of these formats 22 // (either as source or destination) 23 24 25 #ifndef UI_PIXELFORMAT_H 26 #define UI_PIXELFORMAT_H 27 28 #include <hardware/hardware.h> 29 30 namespace android { 31 32 enum { 33 // 34 // these constants need to match those 35 // in graphics/PixelFormat.java & pixelflinger/format.h 36 // 37 PIXEL_FORMAT_UNKNOWN = 0, 38 PIXEL_FORMAT_NONE = 0, 39 40 // logical pixel formats used by the SurfaceFlinger ----------------------- 41 PIXEL_FORMAT_CUSTOM = -4, 42 // Custom pixel-format described by a PixelFormatInfo structure 43 44 PIXEL_FORMAT_TRANSLUCENT = -3, 45 // System chooses a format that supports translucency (many alpha bits) 46 47 PIXEL_FORMAT_TRANSPARENT = -2, 48 // System chooses a format that supports transparency 49 // (at least 1 alpha bit) 50 51 PIXEL_FORMAT_OPAQUE = -1, 52 // System chooses an opaque format (no alpha bits required) 53 54 // real pixel formats supported for rendering ----------------------------- 55 56 PIXEL_FORMAT_RGBA_8888 = HAL_PIXEL_FORMAT_RGBA_8888, // 4x8-bit RGBA 57 PIXEL_FORMAT_RGBX_8888 = HAL_PIXEL_FORMAT_RGBX_8888, // 4x8-bit RGB0 58 PIXEL_FORMAT_RGB_888 = HAL_PIXEL_FORMAT_RGB_888, // 3x8-bit RGB 59 PIXEL_FORMAT_RGB_565 = HAL_PIXEL_FORMAT_RGB_565, // 16-bit RGB 60 PIXEL_FORMAT_BGRA_8888 = HAL_PIXEL_FORMAT_BGRA_8888, // 4x8-bit BGRA 61 PIXEL_FORMAT_RGBA_5551 = 6, // 16-bit ARGB 62 PIXEL_FORMAT_RGBA_4444 = 7, // 16-bit ARGB 63 }; 64 65 typedef int32_t PixelFormat; 66 67 uint32_t bytesPerPixel(PixelFormat format); 68 uint32_t bitsPerPixel(PixelFormat format); 69 70 }; // namespace android 71 72 #endif // UI_PIXELFORMAT_H 73