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perf(vg_lite): use DST_IN blending mode to improve rounded corner cropping performance (#6623)

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Signed-off-by: pengyiqiang <pengyiqiang@xiaomi.com>
Co-authored-by: pengyiqiang <pengyiqiang@xiaomi.com>
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VIFEX 2024-08-04 12:07:11 +08:00 committed by GitHub
parent 6fa2e0dd51
commit 5ea31d7327
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1 changed files with 48 additions and 0 deletions
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48
src/draw/vg_lite/lv_draw_vg_lite_mask_rect.c
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@ -16,6 +16,7 @@
#include "lv_vg_lite_utils.h"
#include "lv_draw_vg_lite_type.h"
#include "lv_vg_lite_path.h"
/*********************
* DEFINES
@ -53,6 +54,11 @@ void lv_draw_vg_lite_mask_rect(lv_draw_unit_t * draw_unit, const lv_draw_mask_re
LV_PROFILER_BEGIN;
#if LV_USE_VG_LITE_THORVG
/**
* ThorVG does not yet support simulating the VG_LITE_BLEND_DST_IN blend mode,
* and uses software rendering to achieve this
*/
lv_draw_sw_mask_radius_param_t param;
lv_draw_sw_mask_radius_init(&param, &dsc->area, dsc->radius, false);
@ -90,6 +96,48 @@ void lv_draw_vg_lite_mask_rect(lv_draw_unit_t * draw_unit, const lv_draw_mask_re
lv_free(mask_buf);
lv_draw_sw_mask_free_param(&param);
#else
/* Using hardware rendering masks */
lv_draw_vg_lite_unit_t * u = (lv_draw_vg_lite_unit_t *)draw_unit;
int32_t w = lv_area_get_width(&dsc->area);
int32_t h = lv_area_get_height(&dsc->area);
float r = dsc->radius;
if(dsc->radius) {
float r_short = LV_MIN(w, h) / 2.0f;
r = LV_MIN(r, r_short);
}
lv_vg_lite_path_t * path = lv_vg_lite_path_get(u, VG_LITE_FP32);
lv_vg_lite_path_set_quality(path, VG_LITE_HIGH);
lv_vg_lite_path_set_bonding_box_area(path, &draw_area);
/* Use rounded rectangles and normal rectangles of the same size to nest the cropped area */
lv_vg_lite_path_append_rect(path, dsc->area.x1, dsc->area.y1, w, h, r, r);
lv_vg_lite_path_append_rect(path, dsc->area.x1, dsc->area.y1, w, h, 0, 0);
lv_vg_lite_path_end(path);
vg_lite_path_t * vg_lite_path = lv_vg_lite_path_get_path(path);
vg_lite_matrix_t * matrix = &u->global_matrix;
LV_VG_LITE_ASSERT_DEST_BUFFER(&u->target_buffer);
LV_VG_LITE_ASSERT_PATH(vg_lite_path);
LV_VG_LITE_ASSERT_MATRIX(matrix);
/* Use VG_LITE_BLEND_DST_IN (Sa * D) blending mode to make the corners transparent */
LV_PROFILER_BEGIN_TAG("vg_lite_draw");
LV_VG_LITE_CHECK_ERROR(vg_lite_draw(
&u->target_buffer,
vg_lite_path,
VG_LITE_FILL_EVEN_ODD,
matrix,
VG_LITE_BLEND_DST_IN,
0));
LV_PROFILER_END_TAG("vg_lite_draw");
lv_vg_lite_path_drop(u, path);
#endif /*LV_USE_VG_LITE_THORVG*/
LV_PROFILER_END;
}