media/omx-plugin/include/ics/system/graphics.h@b8a032363ba2 (annotated)
media/omx-plugin/include/ics/system/graphics.h
Thu, 22 Jan 2015 13:21:57 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 22 Jan 2015 13:21:57 +0100
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
- permissions
- -rw-r--r--
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
| michael@0 | 1 | /* |
| michael@0 | 2 | * Copyright (C) 2011 The Android Open Source Project |
| michael@0 | 3 | * |
| michael@0 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| michael@0 | 5 | * you may not use this file except in compliance with the License. |
| michael@0 | 6 | * You may obtain a copy of the License at |
| michael@0 | 7 | * |
| michael@0 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| michael@0 | 9 | * |
| michael@0 | 10 | * Unless required by applicable law or agreed to in writing, software |
| michael@0 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| michael@0 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| michael@0 | 13 | * See the License for the specific language governing permissions and |
| michael@0 | 14 | * limitations under the License. |
| michael@0 | 15 | */ |
| michael@0 | 16 | |
| michael@0 | 17 | #ifndef SYSTEM_CORE_INCLUDE_ANDROID_GRAPHICS_H |
| michael@0 | 18 | #define SYSTEM_CORE_INCLUDE_ANDROID_GRAPHICS_H |
| michael@0 | 19 | |
| michael@0 | 20 | #ifdef __cplusplus |
| michael@0 | 21 | extern "C" { |
| michael@0 | 22 | #endif |
| michael@0 | 23 | |
| michael@0 | 24 | /* |
| michael@0 | 25 | * If the HAL needs to create service threads to handle graphics related |
| michael@0 | 26 | * tasks, these threads need to run at HAL_PRIORITY_URGENT_DISPLAY priority |
| michael@0 | 27 | * if they can block the main rendering thread in any way. |
| michael@0 | 28 | * |
| michael@0 | 29 | * the priority of the current thread can be set with: |
| michael@0 | 30 | * |
| michael@0 | 31 | * #include <sys/resource.h> |
| michael@0 | 32 | * setpriority(PRIO_PROCESS, 0, HAL_PRIORITY_URGENT_DISPLAY); |
| michael@0 | 33 | * |
| michael@0 | 34 | */ |
| michael@0 | 35 | |
| michael@0 | 36 | #define HAL_PRIORITY_URGENT_DISPLAY (-8) |
| michael@0 | 37 | |
| michael@0 | 38 | /** |
| michael@0 | 39 | * pixel format definitions |
| michael@0 | 40 | */ |
| michael@0 | 41 | |
| michael@0 | 42 | enum { |
| michael@0 | 43 | HAL_PIXEL_FORMAT_RGBA_8888 = 1, |
| michael@0 | 44 | HAL_PIXEL_FORMAT_RGBX_8888 = 2, |
| michael@0 | 45 | HAL_PIXEL_FORMAT_RGB_888 = 3, |
| michael@0 | 46 | HAL_PIXEL_FORMAT_RGB_565 = 4, |
| michael@0 | 47 | HAL_PIXEL_FORMAT_BGRA_8888 = 5, |
| michael@0 | 48 | HAL_PIXEL_FORMAT_RGBA_5551 = 6, |
| michael@0 | 49 | HAL_PIXEL_FORMAT_RGBA_4444 = 7, |
| michael@0 | 50 | |
| michael@0 | 51 | /* 0x8 - 0xFF range unavailable */ |
| michael@0 | 52 | |
| michael@0 | 53 | /* |
| michael@0 | 54 | * 0x100 - 0x1FF |
| michael@0 | 55 | * |
| michael@0 | 56 | * This range is reserved for pixel formats that are specific to the HAL |
| michael@0 | 57 | * implementation. Implementations can use any value in this range to |
| michael@0 | 58 | * communicate video pixel formats between their HAL modules. These formats |
| michael@0 | 59 | * must not have an alpha channel. Additionally, an EGLimage created from a |
| michael@0 | 60 | * gralloc buffer of one of these formats must be supported for use with the |
| michael@0 | 61 | * GL_OES_EGL_image_external OpenGL ES extension. |
| michael@0 | 62 | */ |
| michael@0 | 63 | |
| michael@0 | 64 | /* |
| michael@0 | 65 | * Android YUV format: |
| michael@0 | 66 | * |
| michael@0 | 67 | * This format is exposed outside of the HAL to software decoders and |
| michael@0 | 68 | * applications. EGLImageKHR must support it in conjunction with the |
| michael@0 | 69 | * OES_EGL_image_external extension. |
| michael@0 | 70 | * |
| michael@0 | 71 | * YV12 is a 4:2:0 YCrCb planar format comprised of a WxH Y plane followed |
| michael@0 | 72 | * by (W/2) x (H/2) Cr and Cb planes. |
| michael@0 | 73 | * |
| michael@0 | 74 | * This format assumes |
| michael@0 | 75 | * - an even width |
| michael@0 | 76 | * - an even height |
| michael@0 | 77 | * - a horizontal stride multiple of 16 pixels |
| michael@0 | 78 | * - a vertical stride equal to the height |
| michael@0 | 79 | * |
| michael@0 | 80 | * y_size = stride * height |
| michael@0 | 81 | * c_size = ALIGN(stride/2, 16) * height/2 |
| michael@0 | 82 | * size = y_size + c_size * 2 |
| michael@0 | 83 | * cr_offset = y_size |
| michael@0 | 84 | * cb_offset = y_size + c_size |
| michael@0 | 85 | * |
| michael@0 | 86 | */ |
| michael@0 | 87 | HAL_PIXEL_FORMAT_YV12 = 0x32315659, // YCrCb 4:2:0 Planar |
| michael@0 | 88 | |
| michael@0 | 89 | |
| michael@0 | 90 | |
| michael@0 | 91 | /* Legacy formats (deprecated), used by ImageFormat.java */ |
| michael@0 | 92 | HAL_PIXEL_FORMAT_YCbCr_422_SP = 0x10, // NV16 |
| michael@0 | 93 | HAL_PIXEL_FORMAT_YCrCb_420_SP = 0x11, // NV21 |
| michael@0 | 94 | HAL_PIXEL_FORMAT_YCbCr_422_I = 0x14, // YUY2 |
| michael@0 | 95 | }; |
| michael@0 | 96 | |
| michael@0 | 97 | |
| michael@0 | 98 | /** |
| michael@0 | 99 | * Transformation definitions |
| michael@0 | 100 | * |
| michael@0 | 101 | * IMPORTANT NOTE: |
| michael@0 | 102 | * HAL_TRANSFORM_ROT_90 is applied CLOCKWISE and AFTER HAL_TRANSFORM_FLIP_{H|V}. |
| michael@0 | 103 | * |
| michael@0 | 104 | */ |
| michael@0 | 105 | |
| michael@0 | 106 | enum { |
| michael@0 | 107 | /* flip source image horizontally (around the vertical axis) */ |
| michael@0 | 108 | HAL_TRANSFORM_FLIP_H = 0x01, |
| michael@0 | 109 | /* flip source image vertically (around the horizontal axis)*/ |
| michael@0 | 110 | HAL_TRANSFORM_FLIP_V = 0x02, |
| michael@0 | 111 | /* rotate source image 90 degrees clockwise */ |
| michael@0 | 112 | HAL_TRANSFORM_ROT_90 = 0x04, |
| michael@0 | 113 | /* rotate source image 180 degrees */ |
| michael@0 | 114 | HAL_TRANSFORM_ROT_180 = 0x03, |
| michael@0 | 115 | /* rotate source image 270 degrees clockwise */ |
| michael@0 | 116 | HAL_TRANSFORM_ROT_270 = 0x07, |
| michael@0 | 117 | }; |
| michael@0 | 118 | |
| michael@0 | 119 | #ifdef __cplusplus |
| michael@0 | 120 | } |
| michael@0 | 121 | #endif |
| michael@0 | 122 | |
| michael@0 | 123 | #endif /* SYSTEM_CORE_INCLUDE_ANDROID_GRAPHICS_H */ |
