1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/media/omx-plugin/include/ics/ui/PixelFormat.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,137 @@
1.4 +/*
1.5 + * Copyright (C) 2005 The Android Open Source Project
1.6 + *
1.7 + * Licensed under the Apache License, Version 2.0 (the "License");
1.8 + * you may not use this file except in compliance with the License.
1.9 + * You may obtain a copy of the License at
1.10 + *
1.11 + * http://www.apache.org/licenses/LICENSE-2.0
1.12 + *
1.13 + * Unless required by applicable law or agreed to in writing, software
1.14 + * distributed under the License is distributed on an "AS IS" BASIS,
1.15 + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1.16 + * See the License for the specific language governing permissions and
1.17 + * limitations under the License.
1.18 + */
1.19 +
1.20 +//
1.21 +
1.22 +// Pixel formats used across the system.
1.23 +// These formats might not all be supported by all renderers, for instance
1.24 +// skia or SurfaceFlinger are not required to support all of these formats
1.25 +// (either as source or destination)
1.26 +
1.27 +// XXX: we should consolidate these formats and skia's
1.28 +
1.29 +#ifndef UI_PIXELFORMAT_H
1.30 +#define UI_PIXELFORMAT_H
1.31 +
1.32 +#include <stdint.h>
1.33 +#include <sys/types.h>
1.34 +#include <utils/Errors.h>
1.35 +#include <pixelflinger/format.h>
1.36 +#include <hardware/hardware.h>
1.37 +
1.38 +namespace android {
1.39 +
1.40 +enum {
1.41 + //
1.42 + // these constants need to match those
1.43 + // in graphics/PixelFormat.java & pixelflinger/format.h
1.44 + //
1.45 + PIXEL_FORMAT_UNKNOWN = 0,
1.46 + PIXEL_FORMAT_NONE = 0,
1.47 +
1.48 + // logical pixel formats used by the SurfaceFlinger -----------------------
1.49 + PIXEL_FORMAT_CUSTOM = -4,
1.50 + // Custom pixel-format described by a PixelFormatInfo structure
1.51 +
1.52 + PIXEL_FORMAT_TRANSLUCENT = -3,
1.53 + // System chooses a format that supports translucency (many alpha bits)
1.54 +
1.55 + PIXEL_FORMAT_TRANSPARENT = -2,
1.56 + // System chooses a format that supports transparency
1.57 + // (at least 1 alpha bit)
1.58 +
1.59 + PIXEL_FORMAT_OPAQUE = -1,
1.60 + // System chooses an opaque format (no alpha bits required)
1.61 +
1.62 + // real pixel formats supported for rendering -----------------------------
1.63 +
1.64 + PIXEL_FORMAT_RGBA_8888 = HAL_PIXEL_FORMAT_RGBA_8888, // 4x8-bit RGBA
1.65 + PIXEL_FORMAT_RGBX_8888 = HAL_PIXEL_FORMAT_RGBX_8888, // 4x8-bit RGB0
1.66 + PIXEL_FORMAT_RGB_888 = HAL_PIXEL_FORMAT_RGB_888, // 3x8-bit RGB
1.67 + PIXEL_FORMAT_RGB_565 = HAL_PIXEL_FORMAT_RGB_565, // 16-bit RGB
1.68 + PIXEL_FORMAT_BGRA_8888 = HAL_PIXEL_FORMAT_BGRA_8888, // 4x8-bit BGRA
1.69 + PIXEL_FORMAT_RGBA_5551 = HAL_PIXEL_FORMAT_RGBA_5551, // 16-bit ARGB
1.70 + PIXEL_FORMAT_RGBA_4444 = HAL_PIXEL_FORMAT_RGBA_4444, // 16-bit ARGB
1.71 + PIXEL_FORMAT_A_8 = GGL_PIXEL_FORMAT_A_8, // 8-bit A
1.72 + PIXEL_FORMAT_L_8 = GGL_PIXEL_FORMAT_L_8, // 8-bit L (R=G=B=L)
1.73 + PIXEL_FORMAT_LA_88 = GGL_PIXEL_FORMAT_LA_88, // 16-bit LA
1.74 + PIXEL_FORMAT_RGB_332 = GGL_PIXEL_FORMAT_RGB_332, // 8-bit RGB
1.75 +
1.76 + // New formats can be added if they're also defined in
1.77 + // pixelflinger/format.h
1.78 +};
1.79 +
1.80 +typedef int32_t PixelFormat;
1.81 +
1.82 +struct PixelFormatInfo
1.83 +{
1.84 + enum {
1.85 + INDEX_ALPHA = 0,
1.86 + INDEX_RED = 1,
1.87 + INDEX_GREEN = 2,
1.88 + INDEX_BLUE = 3
1.89 + };
1.90 +
1.91 + enum { // components
1.92 + ALPHA = 1,
1.93 + RGB = 2,
1.94 + RGBA = 3,
1.95 + LUMINANCE = 4,
1.96 + LUMINANCE_ALPHA = 5,
1.97 + OTHER = 0xFF
1.98 + };
1.99 +
1.100 + struct szinfo {
1.101 + uint8_t h;
1.102 + uint8_t l;
1.103 + };
1.104 +
1.105 + inline PixelFormatInfo() : version(sizeof(PixelFormatInfo)) { }
1.106 + size_t getScanlineSize(unsigned int width) const;
1.107 + size_t getSize(size_t ci) const {
1.108 + return (ci <= 3) ? (cinfo[ci].h - cinfo[ci].l) : 0;
1.109 + }
1.110 + size_t version;
1.111 + PixelFormat format;
1.112 + size_t bytesPerPixel;
1.113 + size_t bitsPerPixel;
1.114 + union {
1.115 + szinfo cinfo[4];
1.116 + struct {
1.117 + uint8_t h_alpha;
1.118 + uint8_t l_alpha;
1.119 + uint8_t h_red;
1.120 + uint8_t l_red;
1.121 + uint8_t h_green;
1.122 + uint8_t l_green;
1.123 + uint8_t h_blue;
1.124 + uint8_t l_blue;
1.125 + };
1.126 + };
1.127 + uint8_t components;
1.128 + uint8_t reserved0[3];
1.129 + uint32_t reserved1;
1.130 +};
1.131 +
1.132 +// Consider caching the results of these functions are they're not
1.133 +// guaranteed to be fast.
1.134 +ssize_t bytesPerPixel(PixelFormat format);
1.135 +ssize_t bitsPerPixel(PixelFormat format);
1.136 +status_t getPixelFormatInfo(PixelFormat format, PixelFormatInfo* info);
1.137 +
1.138 +}; // namespace android
1.139 +
1.140 +#endif // UI_PIXELFORMAT_H
