1 /* 2 * Copyright (C) 2011-2015 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 #ifndef _LIBRENDER_HWC2_H 17 #define _LIBRENDER_HWC2_H 18 19 #ifdef _MSC_VER 20 #include <stdint.h> 21 #endif 22 23 /* Copied from Android source */ 24 25 // Should be identical to graphics-base-v1.0.h 26 typedef enum { 27 HAL_TRANSFORM_NONE = 0, 28 HAL_TRANSFORM_FLIP_H = 1, // (1 << 0) 29 HAL_TRANSFORM_FLIP_V = 2, // (1 << 1) 30 HAL_TRANSFORM_ROT_90 = 4, // (1 << 2) 31 HAL_TRANSFORM_ROT_180 = 3, // (FLIP_H | FLIP_V) 32 HAL_TRANSFORM_ROT_270 = 7, // ((FLIP_H | FLIP_V) | ROT_90) 33 } android_transform_t; 34 35 // Should be identical to hwcomposer_defs.h 36 typedef struct hwc_color { 37 uint8_t r; 38 uint8_t g; 39 uint8_t b; 40 uint8_t a; 41 } hwc_color_t; 42 typedef struct hwc_frect { 43 float left; 44 float top; 45 float right; 46 float bottom; 47 } hwc_frect_t; 48 typedef struct hwc_rect { 49 int left; 50 int top; 51 int right; 52 int bottom; 53 } hwc_rect_t; 54 55 typedef enum { 56 /* No transform */ 57 HWC_TRANSFORM_NONE = HAL_TRANSFORM_NONE, 58 /* flip source image horizontally */ 59 HWC_TRANSFORM_FLIP_H = HAL_TRANSFORM_FLIP_H, 60 /* flip source image vertically */ 61 HWC_TRANSFORM_FLIP_V = HAL_TRANSFORM_FLIP_V, 62 /* rotate source image 90 degrees clock-wise */ 63 HWC_TRANSFORM_ROT_90 = HAL_TRANSFORM_ROT_90, 64 /* rotate source image 180 degrees */ 65 HWC_TRANSFORM_ROT_180 = HAL_TRANSFORM_ROT_180, 66 /* rotate source image 270 degrees clock-wise */ 67 HWC_TRANSFORM_ROT_270 = HAL_TRANSFORM_ROT_270, 68 /* flip source image horizontally, the rotate 90 degrees clock-wise */ 69 HWC_TRANSFORM_FLIP_H_ROT_90 = HAL_TRANSFORM_FLIP_H | HAL_TRANSFORM_ROT_90, 70 /* flip source image vertically, the rotate 90 degrees clock-wise */ 71 HWC_TRANSFORM_FLIP_V_ROT_90 = HAL_TRANSFORM_FLIP_V | HAL_TRANSFORM_ROT_90, 72 } hwc_transform_t; 73 74 // Should be identical to hwcomposer2.h 75 typedef enum { 76 HWC2_COMPOSITION_INVALID = 0, 77 HWC2_COMPOSITION_CLIENT = 1, 78 HWC2_COMPOSITION_DEVICE = 2, 79 HWC2_COMPOSITION_SOLID_COLOR = 3, 80 HWC2_COMPOSITION_CURSOR = 4, 81 HWC2_COMPOSITION_SIDEBAND = 5, 82 } hwc2_composition_t; 83 typedef enum { 84 HWC2_BLEND_MODE_INVALID = 0, 85 HWC2_BLEND_MODE_NONE = 1, 86 HWC2_BLEND_MODE_PREMULTIPLIED = 2, 87 HWC2_BLEND_MODE_COVERAGE = 3, 88 } hwc2_blend_mode_t; 89 90 // Should be identical to EmuHwc2.h 91 typedef struct compose_layer { 92 uint32_t cbHandle; 93 hwc2_composition_t composeMode; 94 hwc_rect_t displayFrame; 95 hwc_frect_t crop; 96 int32_t blendMode; 97 float alpha; 98 hwc_color_t color; 99 hwc_transform_t transform; 100 } ComposeLayer; 101 typedef struct compose_device { 102 uint32_t version; 103 uint32_t targetHandle; 104 uint32_t numLayers; 105 struct compose_layer layer[0]; 106 } ComposeDevice; 107 typedef struct compose_device_v2 { 108 uint32_t version; 109 uint32_t displayId; 110 uint32_t targetHandle; 111 uint32_t numLayers; 112 struct compose_layer layer[0]; 113 } ComposeDevice_v2; 114 115 #endif 116