1 /** 2 * @file lv_vglite_utils.h 3 * 4 */ 5 6 /** 7 * MIT License 8 * 9 * Copyright 2022, 2023 NXP 10 * 11 * Permission is hereby granted, free of charge, to any person obtaining a copy 12 * of this software and associated documentation files (the "Software"), to deal 13 * in the Software without restriction, including without limitation the rights to 14 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of 15 * the Software, and to permit persons to whom the Software is furnished to do so, 16 * subject to the following conditions: 17 * 18 * The above copyright notice and this permission notice (including the next paragraph) 19 * shall be included in all copies or substantial portions of the Software. 20 * 21 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, 22 * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A 23 * PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT 24 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF 25 * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE 26 * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 27 * 28 */ 29 30 #ifndef LV_VGLITE_UTILS_H 31 #define LV_VGLITE_UTILS_H 32 33 #ifdef __cplusplus 34 extern "C" { 35 #endif 36 37 /********************* 38 * INCLUDES 39 *********************/ 40 #include "../../../lv_conf_internal.h" 41 42 #if LV_USE_GPU_NXP_VG_LITE 43 #include "vg_lite.h" 44 #include "../../sw/lv_draw_sw.h" 45 #include "../../../misc/lv_log.h" 46 47 /********************* 48 * DEFINES 49 *********************/ 50 51 #ifndef LV_GPU_NXP_VG_LITE_LOG_ERRORS 52 /** Enable logging of VG-Lite errors (\see LV_LOG_ERROR)*/ 53 #define LV_GPU_NXP_VG_LITE_LOG_ERRORS 1 54 #endif 55 56 #ifndef LV_GPU_NXP_VG_LITE_LOG_TRACES 57 /** Enable logging of VG-Lite traces (\see LV_LOG_ERROR)*/ 58 #define LV_GPU_NXP_VG_LITE_LOG_TRACES 0 59 #endif 60 61 62 /* The optimal Bezier control point offset for radial unit 63 * see: https://spencermortensen.com/articles/bezier-circle/ 64 **/ 65 #define BEZIER_OPTIM_CIRCLE 0.551915024494f 66 67 /* Draw lines for control points of Bezier curves */ 68 #define BEZIER_DBG_CONTROL_POINTS 0 69 70 /********************** 71 * TYPEDEFS 72 **********************/ 73 74 /********************** 75 * GLOBAL PROTOTYPES 76 **********************/ 77 78 /** 79 * Premultiplies and swizzles given LVGL 32bit color to obtain vglite color. 80 * 81 * @param[in/out] vg_col32 The obtained vglite color 82 * @param[in] lv_col32 The initial LVGL 32bit color 83 * @param[in] opa The opacity to premultiply with 84 * @param[in] vg_col_format The format of the resulting vglite color 85 * 86 * @retval LV_RES_OK Operation completed 87 * @retval LV_RES_INV Error occurred (\see LV_GPU_NXP_VG_LITE_LOG_ERRORS) 88 */ 89 lv_res_t lv_vglite_premult_and_swizzle(vg_lite_color_t * vg_col32, lv_color32_t lv_col32, lv_opa_t opa, 90 vg_lite_buffer_format_t vg_col_format); 91 92 /** 93 * Get vglite blend mode. 94 * 95 * @param[in] lv_blend_mode The LVGL blend mode 96 * 97 * @retval The vglite blend mode 98 */ 99 vg_lite_blend_t lv_vglite_get_blend_mode(lv_blend_mode_t lv_blend_mode); 100 101 /** 102 * Clear cache and flush command to VG-Lite. 103 * 104 * @retval LV_RES_OK Run completed 105 * @retval LV_RES_INV Error occurred (\see LV_GPU_NXP_VG_LITE_LOG_ERRORS) 106 */ 107 lv_res_t lv_vglite_run(void); 108 109 /********************** 110 * MACROS 111 **********************/ 112 113 #define VG_LITE_COND_STOP(cond, txt) \ 114 do { \ 115 if (cond) { \ 116 LV_LOG_ERROR("%s. STOP!", txt); \ 117 for ( ; ; ); \ 118 } \ 119 } while(0) 120 121 #if LV_GPU_NXP_VG_LITE_LOG_ERRORS 122 #define VG_LITE_ERR_RETURN_INV(err, fmt, ...) \ 123 do { \ 124 if(err != VG_LITE_SUCCESS) { \ 125 LV_LOG_ERROR(fmt" (err = %d)", \ 126 err, ##__VA_ARGS__); \ 127 return LV_RES_INV; \ 128 } \ 129 } while (0) 130 #else 131 #define VG_LITE_ERR_RETURN_INV(err, fmt, ...) \ 132 do { \ 133 if(err != VG_LITE_SUCCESS) { \ 134 return LV_RES_INV; \ 135 } \ 136 }while(0) 137 #endif /*LV_GPU_NXP_VG_LITE_LOG_ERRORS*/ 138 139 #if LV_GPU_NXP_VG_LITE_LOG_TRACES 140 #define VG_LITE_LOG_TRACE(fmt, ...) \ 141 do { \ 142 LV_LOG(fmt, ##__VA_ARGS__); \ 143 } while (0) 144 145 #define VG_LITE_RETURN_INV(fmt, ...) \ 146 do { \ 147 LV_LOG_ERROR(fmt, ##__VA_ARGS__); \ 148 return LV_RES_INV; \ 149 } while (0) 150 #else 151 #define VG_LITE_LOG_TRACE(fmt, ...) \ 152 do { \ 153 } while (0) 154 #define VG_LITE_RETURN_INV(fmt, ...) \ 155 do { \ 156 return LV_RES_INV; \ 157 }while(0) 158 #endif /*LV_GPU_NXP_VG_LITE_LOG_TRACES*/ 159 160 #endif /*LV_USE_GPU_NXP_VG_LITE*/ 161 162 #ifdef __cplusplus 163 } /*extern "C"*/ 164 #endif 165 166 #endif /*LV_VGLITE_UTILS_H*/ 167
