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 #ifndef ANDROID_PIXELFLINGER_FORMAT_H 18 #define ANDROID_PIXELFLINGER_FORMAT_H 19 20 #include <stdint.h> 21 #include <sys/types.h> 22 23 enum GGLPixelFormat { 24 // these constants need to match those 25 // in graphics/PixelFormat.java, ui/PixelFormat.h, BlitHardware.h 26 GGL_PIXEL_FORMAT_UNKNOWN = 0, 27 GGL_PIXEL_FORMAT_NONE = 0, 28 29 GGL_PIXEL_FORMAT_RGBA_8888 = 1, // 4x8-bit ARGB 30 GGL_PIXEL_FORMAT_RGBX_8888 = 2, // 3x8-bit RGB stored in 32-bit chunks 31 GGL_PIXEL_FORMAT_RGB_888 = 3, // 3x8-bit RGB 32 GGL_PIXEL_FORMAT_RGB_565 = 4, // 16-bit RGB 33 GGL_PIXEL_FORMAT_BGRA_8888 = 5, // 4x8-bit BGRA 34 GGL_PIXEL_FORMAT_RGBA_5551 = 6, // 16-bit RGBA 35 GGL_PIXEL_FORMAT_RGBA_4444 = 7, // 16-bit RGBA 36 37 GGL_PIXEL_FORMAT_A_8 = 8, // 8-bit A 38 GGL_PIXEL_FORMAT_L_8 = 9, // 8-bit L (R=G=B = L) 39 GGL_PIXEL_FORMAT_LA_88 = 0xA, // 16-bit LA 40 GGL_PIXEL_FORMAT_RGB_332 = 0xB, // 8-bit RGB (non paletted) 41 42 // reserved range. don't use. 43 GGL_PIXEL_FORMAT_RESERVED_10 = 0x10, 44 GGL_PIXEL_FORMAT_RESERVED_11 = 0x11, 45 GGL_PIXEL_FORMAT_RESERVED_12 = 0x12, 46 GGL_PIXEL_FORMAT_RESERVED_13 = 0x13, 47 GGL_PIXEL_FORMAT_RESERVED_14 = 0x14, 48 GGL_PIXEL_FORMAT_RESERVED_15 = 0x15, 49 GGL_PIXEL_FORMAT_RESERVED_16 = 0x16, 50 GGL_PIXEL_FORMAT_RESERVED_17 = 0x17, 51 52 // reserved/special formats 53 GGL_PIXEL_FORMAT_Z_16 = 0x18, 54 GGL_PIXEL_FORMAT_S_8 = 0x19, 55 GGL_PIXEL_FORMAT_SZ_24 = 0x1A, 56 GGL_PIXEL_FORMAT_SZ_8 = 0x1B, 57 58 // reserved range. don't use. 59 GGL_PIXEL_FORMAT_RESERVED_20 = 0x20, 60 GGL_PIXEL_FORMAT_RESERVED_21 = 0x21, 61 }; 62 63 enum GGLFormatComponents { 64 GGL_STENCIL_INDEX = 0x1901, 65 GGL_DEPTH_COMPONENT = 0x1902, 66 GGL_ALPHA = 0x1906, 67 GGL_RGB = 0x1907, 68 GGL_RGBA = 0x1908, 69 GGL_LUMINANCE = 0x1909, 70 GGL_LUMINANCE_ALPHA = 0x190A, 71 }; 72 73 enum GGLFormatComponentIndex { 74 GGL_INDEX_ALPHA = 0, 75 GGL_INDEX_RED = 1, 76 GGL_INDEX_GREEN = 2, 77 GGL_INDEX_BLUE = 3, 78 GGL_INDEX_STENCIL = 0, 79 GGL_INDEX_DEPTH = 1, 80 GGL_INDEX_Y = 0, 81 GGL_INDEX_CB = 1, 82 GGL_INDEX_CR = 2, 83 }; 84 85 typedef struct { 86 #ifdef __cplusplus 87 enum { 88 ALPHA = GGL_INDEX_ALPHA, 89 RED = GGL_INDEX_RED, 90 GREEN = GGL_INDEX_GREEN, 91 BLUE = GGL_INDEX_BLUE, 92 STENCIL = GGL_INDEX_STENCIL, 93 DEPTH = GGL_INDEX_DEPTH, 94 LUMA = GGL_INDEX_Y, 95 CHROMAB = GGL_INDEX_CB, 96 CHROMAR = GGL_INDEX_CR, 97 }; 98 inline uint32_t mask(int i) const { 99 return ((1<<(c[i].h-c[i].l))-1)<<c[i].l; 100 } 101 inline uint32_t bits(int i) const { 102 return c[i].h - c[i].l; 103 } 104 #endif 105 uint8_t size; // bytes per pixel 106 uint8_t bitsPerPixel; 107 union { 108 struct { 109 uint8_t ah; // alpha high bit position + 1 110 uint8_t al; // alpha low bit position 111 uint8_t rh; // red high bit position + 1 112 uint8_t rl; // red low bit position 113 uint8_t gh; // green high bit position + 1 114 uint8_t gl; // green low bit position 115 uint8_t bh; // blue high bit position + 1 116 uint8_t bl; // blue low bit position 117 }; 118 struct { 119 uint8_t h; 120 uint8_t l; 121 } __attribute__((__packed__)) c[4]; 122 } __attribute__((__packed__)); 123 uint16_t components; // GGLFormatComponents 124 } GGLFormat; 125 126 127 #ifdef __cplusplus 128 extern "C" const GGLFormat* gglGetPixelFormatTable(size_t* numEntries = 0); 129 #else 130 const GGLFormat* gglGetPixelFormatTable(size_t* numEntries); 131 #endif 132 133 134 // ---------------------------------------------------------------------------- 135 136 #endif // ANDROID_PIXELFLINGER_FORMAT_H 137
