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feat(draw-sw): add Helium (transform) acceleration to sw-draw-image-core (#5231)

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Co-authored-by: Gabor Kiss-Vamosi <kisvegabor@gmail.com>
This commit is contained in:
Gabriel Wang
2024-01-14 11:36:42 +00:00
committed by GitHub
parent ee8de1e1a0
commit ab1182b1b2
13 changed files with 1235 additions and 71 deletions
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81
src/draw/sw/lv_draw_sw_img.c
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@@ -19,11 +19,29 @@
#include "../../stdlib/lv_string.h"
#include "../../core/lv_global.h"
#if LV_USE_DRAW_SW_ASM == LV_DRAW_SW_ASM_HELIUM
#include "helium/lv_draw_sw_helium.h"
#elif LV_USE_DRAW_SW_ASM == LV_DRAW_SW_ASM_CUSTOM
#include LV_DRAW_SW_ASM_CUSTOM_INCLUDE
#endif
/*********************
* DEFINES
*********************/
#define MAX_BUF_SIZE (uint32_t) (4 * lv_display_get_horizontal_resolution(_lv_refr_get_disp_refreshing()) * lv_color_format_get_size(lv_display_get_color_format(_lv_refr_get_disp_refreshing())))
#ifndef LV_DRAW_SW_IMAGE
#define LV_DRAW_SW_IMAGE(...) LV_RESULT_INVALID
#endif
#ifndef LV_DRAW_SW_RGB565_RECOLOR
#define LV_DRAW_SW_RGB565_RECOLOR(...) LV_RESULT_INVALID
#endif
#ifndef LV_DRAW_SW_RGB888_RECOLOR
#define LV_DRAW_SW_RGB888_RECOLOR(...) LV_RESULT_INVALID
#endif
/**********************
* TYPEDEFS
**********************/
@@ -225,8 +243,17 @@ static void img_draw_core(lv_draw_unit_t * draw_unit, const lv_draw_image_dsc_t
blend_dsc.src_color_format = cf;
lv_draw_sw_blend(draw_unit, &blend_dsc);
}
/*In the other cases every pixel need to be checked one-by-one*/
else {
/* check whethr it is possible to accelerate the operation in synchronouse mode */
else if(LV_RESULT_INVALID == LV_DRAW_SW_IMAGE(transformed, /* whether require transform */
cf, /* image format */
src_buf, /* image buffer */
img_coords, /* src_h, src_w, src_x1, src_y1 */
img_stride, /* image stride */
clipped_img_area, /* blend area */
draw_unit, /* target buffer, buffer width, buffer height, buffer stride */
draw_dsc)) { /* opa, recolour_opa and colour */
/*In the other cases every pixel need to be checked one-by-one*/
lv_area_t blend_area = *clipped_img_area;
blend_dsc.blend_area = &blend_area;
@@ -240,6 +267,7 @@ static void img_draw_core(lv_draw_unit_t * draw_unit, const lv_draw_image_dsc_t
if(cf == LV_COLOR_FORMAT_RGB888 || cf == LV_COLOR_FORMAT_XRGB8888) cf_final = LV_COLOR_FORMAT_ARGB8888;
else if(cf == LV_COLOR_FORMAT_RGB565) cf_final = LV_COLOR_FORMAT_RGB565A8;
}
uint8_t * tmp_buf;
uint32_t px_size = lv_color_format_get_size(cf_final);
int32_t buf_h;
@@ -255,6 +283,7 @@ static void img_draw_core(lv_draw_unit_t * draw_unit, const lv_draw_image_dsc_t
if(buf_h > blend_h) buf_h = blend_h;
tmp_buf = lv_malloc(buf_stride * buf_h);
}
LV_ASSERT_MALLOC(tmp_buf);
blend_dsc.src_buf = tmp_buf;
blend_dsc.src_color_format = cf_final;
@@ -330,31 +359,35 @@ static void img_draw_core(lv_draw_unit_t * draw_unit, const lv_draw_image_dsc_t
lv_opa_t mix = draw_dsc->recolor_opa;
lv_opa_t mix_inv = 255 - mix;
if(cf_final == LV_COLOR_FORMAT_RGB565A8 || cf_final == LV_COLOR_FORMAT_RGB565) {
uint16_t c_mult[3];
c_mult[0] = (color.blue >> 3) * mix;
c_mult[1] = (color.green >> 2) * mix;
c_mult[2] = (color.red >> 3) * mix;
uint16_t * buf16 = (uint16_t *)tmp_buf;
int32_t i;
int32_t size = lv_area_get_size(&blend_area);
for(i = 0; i < size; i++) {
buf16[i] = (((c_mult[2] + ((buf16[i] >> 11) & 0x1F) * mix_inv) << 3) & 0xF800) +
(((c_mult[1] + ((buf16[i] >> 5) & 0x3F) * mix_inv) >> 3) & 0x07E0) +
((c_mult[0] + (buf16[i] & 0x1F) * mix_inv) >> 8);
if(LV_RESULT_INVALID == LV_DRAW_SW_RGB565_RECOLOR(tmp_buf, blend_area, color, mix)) {
uint16_t c_mult[3];
c_mult[0] = (color.blue >> 3) * mix;
c_mult[1] = (color.green >> 2) * mix;
c_mult[2] = (color.red >> 3) * mix;
uint16_t * buf16 = (uint16_t *)tmp_buf;
int32_t i;
int32_t size = lv_area_get_size(&blend_area);
for(i = 0; i < size; i++) {
buf16[i] = (((c_mult[2] + ((buf16[i] >> 11) & 0x1F) * mix_inv) << 3) & 0xF800) +
(((c_mult[1] + ((buf16[i] >> 5) & 0x3F) * mix_inv) >> 3) & 0x07E0) +
((c_mult[0] + (buf16[i] & 0x1F) * mix_inv) >> 8);
}
}
}
else if(cf_final != LV_COLOR_FORMAT_A8) {
uint32_t size = lv_area_get_size(&blend_area);
uint32_t i;
uint16_t c_mult[3];
c_mult[0] = color.blue * mix;
c_mult[1] = color.green * mix;
c_mult[2] = color.red * mix;
uint8_t * tmp_buf_2 = tmp_buf;
for(i = 0; i < size * px_size; i += px_size) {
tmp_buf_2[i + 0] = (c_mult[0] + (tmp_buf_2[i + 0] * mix_inv)) >> 8;
tmp_buf_2[i + 1] = (c_mult[1] + (tmp_buf_2[i + 1] * mix_inv)) >> 8;
tmp_buf_2[i + 2] = (c_mult[2] + (tmp_buf_2[i + 2] * mix_inv)) >> 8;
if(LV_RESULT_INVALID == LV_DRAW_SW_RGB888_RECOLOR(tmp_buf, blend_area, color, mix, cf_final)) {
uint32_t size = lv_area_get_size(&blend_area);
uint32_t i;
uint16_t c_mult[3];
c_mult[0] = color.blue * mix;
c_mult[1] = color.green * mix;
c_mult[2] = color.red * mix;
uint8_t * tmp_buf_2 = tmp_buf;
for(i = 0; i < size * px_size; i += px_size) {
tmp_buf_2[i + 0] = (c_mult[0] + (tmp_buf_2[i + 0] * mix_inv)) >> 8;
tmp_buf_2[i + 1] = (c_mult[1] + (tmp_buf_2[i + 1] * mix_inv)) >> 8;
tmp_buf_2[i + 2] = (c_mult[2] + (tmp_buf_2[i + 2] * mix_inv)) >> 8;
}
}
}
}