lv_vglite_utils.h

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#ifndef LV_VGLITE_UTILS_H
#define LV_VGLITE_UTILS_H
 
#ifdef __cplusplus
extern "C" {
#endif
 
/*********************
 *      INCLUDES
 *********************/
#include "../../../lv_conf_internal.h"
 
#if LV_USE_GPU_NXP_VG_LITE
#include "vg_lite.h"
#include "../../sw/lv_draw_sw.h"
#include "../../../misc/lv_log.h"
 
/*********************
 *      DEFINES
 *********************/
 
#ifndef LV_GPU_NXP_VG_LITE_LOG_ERRORS
#define LV_GPU_NXP_VG_LITE_LOG_ERRORS 1
#endif
 
#ifndef LV_GPU_NXP_VG_LITE_LOG_TRACES
#define LV_GPU_NXP_VG_LITE_LOG_TRACES 0
#endif
 
 
/* The optimal Bezier control point offset for radial unit
 * see: https://spencermortensen.com/articles/bezier-circle/
 **/
#define BEZIER_OPTIM_CIRCLE 0.551915024494f
 
/* Draw lines for control points of Bezier curves */
#define BEZIER_DBG_CONTROL_POINTS   0
 
/**********************
 *      TYPEDEFS
 **********************/
 
/**********************
 * GLOBAL PROTOTYPES
 **********************/
 
lv_res_t lv_vglite_premult_and_swizzle(vg_lite_color_t * vg_col32, lv_color32_t lv_col32, lv_opa_t opa,
                                       vg_lite_buffer_format_t vg_col_format);
 
vg_lite_blend_t lv_vglite_get_blend_mode(lv_blend_mode_t lv_blend_mode);
 
lv_res_t lv_vglite_run(void);
 
/**********************
 *      MACROS
 **********************/
 
#define VG_LITE_COND_STOP(cond, txt)          \
    do {                                      \
        if (cond) {                           \
            LV_LOG_ERROR("%s. STOP!", txt);   \
            for ( ; ; );                      \
        }                                     \
    } while(0)
 
#if LV_GPU_NXP_VG_LITE_LOG_ERRORS
#define VG_LITE_ERR_RETURN_INV(err, fmt, ...) \
    do {                                      \
        if(err != VG_LITE_SUCCESS) {          \
            LV_LOG_ERROR(fmt" (err = %d)",    \
                         err, ##__VA_ARGS__); \
            return LV_RES_INV;                \
        }                                     \
    } while (0)
#else
#define VG_LITE_ERR_RETURN_INV(err, fmt, ...) \
    do {                                      \
        if(err != VG_LITE_SUCCESS) {          \
            return LV_RES_INV;                \
        }                                     \
    }while(0)
#endif /*LV_GPU_NXP_VG_LITE_LOG_ERRORS*/
 
#if LV_GPU_NXP_VG_LITE_LOG_TRACES
#define VG_LITE_LOG_TRACE(fmt, ...)           \
    do {                                      \
        LV_LOG(fmt, ##__VA_ARGS__);     \
    } while (0)
 
#define VG_LITE_RETURN_INV(fmt, ...)          \
    do {                                      \
        LV_LOG_ERROR(fmt, ##__VA_ARGS__);     \
        return LV_RES_INV;                    \
    } while (0)
#else
#define VG_LITE_LOG_TRACE(fmt, ...)           \
    do {                                      \
    } while (0)
#define VG_LITE_RETURN_INV(fmt, ...)          \
    do {                                      \
        return LV_RES_INV;                    \
    }while(0)
#endif /*LV_GPU_NXP_VG_LITE_LOG_TRACES*/
 
#endif /*LV_USE_GPU_NXP_VG_LITE*/
 
#ifdef __cplusplus
} /*extern "C"*/
#endif
 
#endif /*LV_VGLITE_UTILS_H*/