| /* |
| * Copyright (C) 2005 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef ANDROID_PIXELFLINGER_FORMAT_H |
| #define ANDROID_PIXELFLINGER_FORMAT_H |
| |
| #include <stdint.h> |
| #include <sys/types.h> |
| |
| enum GGLPixelFormat { |
| // these constants need to match those |
| // in graphics/PixelFormat.java, ui/PixelFormat.h, BlitHardware.h |
| GGL_PIXEL_FORMAT_UNKNOWN = 0, |
| GGL_PIXEL_FORMAT_NONE = 0, |
| |
| GGL_PIXEL_FORMAT_RGBA_8888 = 1, // 4x8-bit ARGB |
| GGL_PIXEL_FORMAT_RGBX_8888 = 2, // 3x8-bit RGB stored in 32-bit chunks |
| GGL_PIXEL_FORMAT_RGB_888 = 3, // 3x8-bit RGB |
| GGL_PIXEL_FORMAT_RGB_565 = 4, // 16-bit RGB |
| GGL_PIXEL_FORMAT_BGRA_8888 = 5, // 4x8-bit BGRA |
| GGL_PIXEL_FORMAT_RGBA_5551 = 6, // 16-bit RGBA |
| GGL_PIXEL_FORMAT_RGBA_4444 = 7, // 16-bit RGBA |
| |
| GGL_PIXEL_FORMAT_A_8 = 8, // 8-bit A |
| GGL_PIXEL_FORMAT_L_8 = 9, // 8-bit L (R=G=B = L) |
| GGL_PIXEL_FORMAT_LA_88 = 0xA, // 16-bit LA |
| GGL_PIXEL_FORMAT_RGB_332 = 0xB, // 8-bit RGB (non paletted) |
| |
| // reserved range. don't use. |
| GGL_PIXEL_FORMAT_RESERVED_10 = 0x10, |
| GGL_PIXEL_FORMAT_RESERVED_11 = 0x11, |
| GGL_PIXEL_FORMAT_RESERVED_12 = 0x12, |
| GGL_PIXEL_FORMAT_RESERVED_13 = 0x13, |
| GGL_PIXEL_FORMAT_RESERVED_14 = 0x14, |
| GGL_PIXEL_FORMAT_RESERVED_15 = 0x15, |
| GGL_PIXEL_FORMAT_RESERVED_16 = 0x16, |
| GGL_PIXEL_FORMAT_RESERVED_17 = 0x17, |
| |
| // reserved/special formats |
| GGL_PIXEL_FORMAT_Z_16 = 0x18, |
| GGL_PIXEL_FORMAT_S_8 = 0x19, |
| GGL_PIXEL_FORMAT_SZ_24 = 0x1A, |
| GGL_PIXEL_FORMAT_SZ_8 = 0x1B, |
| |
| // reserved range. don't use. |
| GGL_PIXEL_FORMAT_RESERVED_20 = 0x20, |
| GGL_PIXEL_FORMAT_RESERVED_21 = 0x21, |
| }; |
| |
| enum GGLFormatComponents { |
| GGL_STENCIL_INDEX = 0x1901, |
| GGL_DEPTH_COMPONENT = 0x1902, |
| GGL_ALPHA = 0x1906, |
| GGL_RGB = 0x1907, |
| GGL_RGBA = 0x1908, |
| GGL_LUMINANCE = 0x1909, |
| GGL_LUMINANCE_ALPHA = 0x190A, |
| }; |
| |
| enum GGLFormatComponentIndex { |
| GGL_INDEX_ALPHA = 0, |
| GGL_INDEX_RED = 1, |
| GGL_INDEX_GREEN = 2, |
| GGL_INDEX_BLUE = 3, |
| GGL_INDEX_STENCIL = 0, |
| GGL_INDEX_DEPTH = 1, |
| GGL_INDEX_Y = 0, |
| GGL_INDEX_CB = 1, |
| GGL_INDEX_CR = 2, |
| }; |
| |
| typedef struct GGLFormat { |
| #ifdef __cplusplus |
| enum { |
| ALPHA = GGL_INDEX_ALPHA, |
| RED = GGL_INDEX_RED, |
| GREEN = GGL_INDEX_GREEN, |
| BLUE = GGL_INDEX_BLUE, |
| STENCIL = GGL_INDEX_STENCIL, |
| DEPTH = GGL_INDEX_DEPTH, |
| LUMA = GGL_INDEX_Y, |
| CHROMAB = GGL_INDEX_CB, |
| CHROMAR = GGL_INDEX_CR, |
| }; |
| inline uint32_t mask(int i) const { |
| return ((1<<(c[i].h-c[i].l))-1)<<c[i].l; |
| } |
| inline uint32_t bits(int i) const { |
| return c[i].h - c[i].l; |
| } |
| #endif |
| uint8_t size; // bytes per pixel |
| uint8_t bitsPerPixel; |
| union { |
| struct { |
| uint8_t ah; // alpha high bit position + 1 |
| uint8_t al; // alpha low bit position |
| uint8_t rh; // red high bit position + 1 |
| uint8_t rl; // red low bit position |
| uint8_t gh; // green high bit position + 1 |
| uint8_t gl; // green low bit position |
| uint8_t bh; // blue high bit position + 1 |
| uint8_t bl; // blue low bit position |
| }; |
| struct { |
| uint8_t h; |
| uint8_t l; |
| } __attribute__((__packed__)) c[4]; |
| } __attribute__((__packed__)); |
| uint16_t components; // GGLFormatComponents |
| } GGLFormat; |
| |
| |
| #ifdef __cplusplus |
| extern "C" const GGLFormat* gglGetPixelFormatTable(size_t* numEntries = 0); |
| #else |
| const GGLFormat* gglGetPixelFormatTable(size_t* numEntries); |
| #endif |
| |
| |
| // ---------------------------------------------------------------------------- |
| |
| #endif // ANDROID_PIXELFLINGER_FORMAT_H |