format.h revision 35237d135807af84bf9b0e5b8d7f8633e58db6f5
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 23enum 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 = 0x14, 46 GGL_PIXEL_FORMAT_YCbCr_420_P = 0x15, 47 48 // reserved/special formats 49 GGL_PIXEL_FORMAT_Z_16 = 0x18, 50 GGL_PIXEL_FORMAT_S_8 = 0x19, 51 GGL_PIXEL_FORMAT_SZ_24 = 0x1A, 52 GGL_PIXEL_FORMAT_SZ_8 = 0x1B, 53}; 54 55enum GGLFormatComponents { 56 GGL_STENCIL_INDEX = 0x1901, 57 GGL_DEPTH_COMPONENT = 0x1902, 58 GGL_ALPHA = 0x1906, 59 GGL_RGB = 0x1907, 60 GGL_RGBA = 0x1908, 61 GGL_LUMINANCE = 0x1909, 62 GGL_LUMINANCE_ALPHA = 0x190A, 63 GGL_Y_CB_CR = 0x8000, 64}; 65 66enum GGLFormatComponentIndex { 67 GGL_INDEX_ALPHA = 0, 68 GGL_INDEX_RED = 1, 69 GGL_INDEX_GREEN = 2, 70 GGL_INDEX_BLUE = 3, 71 GGL_INDEX_STENCIL = 0, 72 GGL_INDEX_DEPTH = 1, 73 GGL_INDEX_Y = 0, 74 GGL_INDEX_CB = 1, 75 GGL_INDEX_CR = 2, 76}; 77 78typedef struct { 79#ifdef __cplusplus 80 enum { 81 ALPHA = GGL_INDEX_ALPHA, 82 RED = GGL_INDEX_RED, 83 GREEN = GGL_INDEX_GREEN, 84 BLUE = GGL_INDEX_BLUE, 85 STENCIL = GGL_INDEX_STENCIL, 86 DEPTH = GGL_INDEX_DEPTH, 87 LUMA = GGL_INDEX_Y, 88 CHROMAB = GGL_INDEX_CB, 89 CHROMAR = GGL_INDEX_CR, 90 }; 91 inline uint32_t mask(int i) const { 92 return ((1<<(c[i].h-c[i].l))-1)<<c[i].l; 93 } 94 inline uint32_t bits(int i) const { 95 return c[i].h - c[i].l; 96 } 97#endif 98 uint8_t size; // bytes per pixel 99 uint8_t bitsPerPixel; 100 union { 101 struct { 102 uint8_t ah; // alpha high bit position + 1 103 uint8_t al; // alpha low bit position 104 uint8_t rh; // red high bit position + 1 105 uint8_t rl; // red low bit position 106 uint8_t gh; // green high bit position + 1 107 uint8_t gl; // green low bit position 108 uint8_t bh; // blue high bit position + 1 109 uint8_t bl; // blue low bit position 110 }; 111 struct { 112 uint8_t h; 113 uint8_t l; 114 } __attribute__((__packed__)) c[4]; 115 } __attribute__((__packed__)); 116 uint16_t components; // GGLFormatComponents 117} GGLFormat; 118 119 120#ifdef __cplusplus 121extern "C" const GGLFormat* gglGetPixelFormatTable(size_t* numEntries = 0); 122#else 123const GGLFormat* gglGetPixelFormatTable(size_t* numEntries); 124#endif 125 126 127// ---------------------------------------------------------------------------- 128 129#endif // ANDROID_PIXELFLINGER_FORMAT_H 130