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 // YCbCr formats (SP=semi-planar, P=planar) 43 GGL_PIXEL_FORMAT_YCbCr_422_SP= 0x10, 44 GGL_PIXEL_FORMAT_YCbCr_420_SP= 0x11, 45 GGL_PIXEL_FORMAT_YCbCr_422_P = 0x12, 46 GGL_PIXEL_FORMAT_YCbCr_420_P = 0x13, 47 GGL_PIXEL_FORMAT_YCbCr_422_I = 0x14, 48 GGL_PIXEL_FORMAT_YCbCr_420_I = 0x15, 49 50 // reserved/special formats 51 GGL_PIXEL_FORMAT_Z_16 = 0x18, 52 GGL_PIXEL_FORMAT_S_8 = 0x19, 53 GGL_PIXEL_FORMAT_SZ_24 = 0x1A, 54 GGL_PIXEL_FORMAT_SZ_8 = 0x1B, 55 }; 56 57 enum GGLFormatComponents { 58 GGL_STENCIL_INDEX = 0x1901, 59 GGL_DEPTH_COMPONENT = 0x1902, 60 GGL_ALPHA = 0x1906, 61 GGL_RGB = 0x1907, 62 GGL_RGBA = 0x1908, 63 GGL_LUMINANCE = 0x1909, 64 GGL_LUMINANCE_ALPHA = 0x190A, 65 GGL_Y_CB_CR_SP = 0x8000, 66 GGL_Y_CB_CR = GGL_Y_CB_CR_SP, 67 GGL_Y_CB_CR_P = 0x8001, 68 GGL_Y_CB_CR_I = 0x8002, 69 }; 70 71 enum GGLFormatComponentIndex { 72 GGL_INDEX_ALPHA = 0, 73 GGL_INDEX_RED = 1, 74 GGL_INDEX_GREEN = 2, 75 GGL_INDEX_BLUE = 3, 76 GGL_INDEX_STENCIL = 0, 77 GGL_INDEX_DEPTH = 1, 78 GGL_INDEX_Y = 0, 79 GGL_INDEX_CB = 1, 80 GGL_INDEX_CR = 2, 81 }; 82 83 typedef struct { 84 #ifdef __cplusplus 85 enum { 86 ALPHA = GGL_INDEX_ALPHA, 87 RED = GGL_INDEX_RED, 88 GREEN = GGL_INDEX_GREEN, 89 BLUE = GGL_INDEX_BLUE, 90 STENCIL = GGL_INDEX_STENCIL, 91 DEPTH = GGL_INDEX_DEPTH, 92 LUMA = GGL_INDEX_Y, 93 CHROMAB = GGL_INDEX_CB, 94 CHROMAR = GGL_INDEX_CR, 95 }; mask__anonc97c1716010896 inline uint32_t mask(int i) const { 97 return ((1<<(c[i].h-c[i].l))-1)<<c[i].l; 98 } bits__anonc97c1716010899 inline uint32_t bits(int i) const { 100 return c[i].h - c[i].l; 101 } 102 #endif 103 uint8_t size; // bytes per pixel 104 uint8_t bitsPerPixel; 105 union { 106 struct { 107 uint8_t ah; // alpha high bit position + 1 108 uint8_t al; // alpha low bit position 109 uint8_t rh; // red high bit position + 1 110 uint8_t rl; // red low bit position 111 uint8_t gh; // green high bit position + 1 112 uint8_t gl; // green low bit position 113 uint8_t bh; // blue high bit position + 1 114 uint8_t bl; // blue low bit position 115 }; 116 struct { 117 uint8_t h; 118 uint8_t l; 119 } __attribute__((__packed__)) c[4]; 120 } __attribute__((__packed__)); 121 uint16_t components; // GGLFormatComponents 122 } GGLFormat; 123 124 125 #ifdef __cplusplus 126 extern "C" const GGLFormat* gglGetPixelFormatTable(size_t* numEntries = 0); 127 #else 128 const GGLFormat* gglGetPixelFormatTable(size_t* numEntries); 129 #endif 130 131 132 // ---------------------------------------------------------------------------- 133 134 #endif // ANDROID_PIXELFLINGER_FORMAT_H 135