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draw_img: optimize ARGB rendering
This commit is contained in:
Gabor Kiss-Vamosi
parent
2a1db9ee86
commit
6fae3a0eb6
@ -395,133 +395,187 @@ static void lv_draw_map(const lv_area_t * map_area, const lv_area_t * clip_area,
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bool transform = draw_dsc->angle != 0 || draw_dsc->zoom != LV_IMG_ZOOM_NONE ? true : false;
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lv_img_transform_dsc_t trans_dsc;
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lv_memset_00(&trans_dsc, sizeof(lv_img_transform_dsc_t));
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if(transform) {
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lv_img_cf_t cf = LV_IMG_CF_TRUE_COLOR;
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if(alpha_byte) cf = LV_IMG_CF_TRUE_COLOR_ALPHA;
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else if(chroma_key) cf = LV_IMG_CF_TRUE_COLOR_CHROMA_KEYED;
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trans_dsc.cfg.angle = draw_dsc->angle;
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trans_dsc.cfg.zoom = draw_dsc->zoom;
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trans_dsc.cfg.src = map_p;
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trans_dsc.cfg.src_w = map_w;
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trans_dsc.cfg.src_h = map_h;
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trans_dsc.cfg.cf = cf;
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trans_dsc.cfg.pivot_x = draw_dsc->pivot.x;
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trans_dsc.cfg.pivot_y = draw_dsc->pivot.y;
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trans_dsc.cfg.color = draw_dsc->recolor;
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trans_dsc.cfg.antialias = draw_dsc->antialias;
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lv_img_buf_transform_init(&trans_dsc);
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}
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uint16_t recolor_premult[3] = {0};
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lv_opa_t recolor_opa_inv = 255 - draw_dsc->recolor_opa;
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if(draw_dsc->recolor_opa != 0) {
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lv_color_premult(draw_dsc->recolor, draw_dsc->recolor_opa, recolor_premult);
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}
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lv_draw_mask_res_t mask_res;
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mask_res = (alpha_byte || chroma_key || draw_dsc->angle) ? LV_DRAW_MASK_RES_CHANGED : LV_DRAW_MASK_RES_FULL_COVER;
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int32_t x;
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int32_t y;
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for(y = 0; y < lv_area_get_height(&draw_area); y++) {
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map_px = map_buf_tmp;
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uint32_t px_i_start = px_i;
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for(x = 0; x < lv_area_get_width(&draw_area); x++, map_px += px_size_byte, px_i++) {
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if(transform == false) {
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if(alpha_byte) {
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lv_opa_t px_opa = map_px[LV_IMG_PX_SIZE_ALPHA_BYTE - 1];
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mask_buf[px_i] = px_opa;
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if(px_opa < LV_OPA_MIN) {
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/*Simple ARGB image. Handle it as special case because it's very common*/
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if(other_mask_cnt == 0 && !transform && !chroma_key && alpha_byte) {
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int32_t x;
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int32_t y;
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lv_coord_t draw_area_h = lv_area_get_height(&draw_area);
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lv_coord_t draw_area_w = lv_area_get_width(&draw_area);
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for(y = 0; y < draw_area_h; y++) {
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map_px = map_buf_tmp;
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for(x = 0; x < draw_area_w; x++, map_px += px_size_byte, px_i++) {
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lv_opa_t px_opa = map_px[LV_IMG_PX_SIZE_ALPHA_BYTE - 1];
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mask_buf[px_i] = px_opa;
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if(px_opa < LV_OPA_MIN) {
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#if LV_COLOR_DEPTH == 32
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map2[px_i].ch.alpha = 0xFF;
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map2[px_i].ch.alpha = 0xFF;
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#endif
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continue;
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}
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}
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else {
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mask_buf[px_i] = LV_OPA_COVER;
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}
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continue;
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}
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#if LV_COLOR_DEPTH == 8
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c.full = map_px[0];
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#elif LV_COLOR_DEPTH == 16
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c.full = map_px[0] + (map_px[1] << 8);
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#elif LV_COLOR_DEPTH == 32
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c.full = *((uint32_t *)map_px);
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#endif
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if(chroma_key) {
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if(c.full == chroma_keyed_color.full) {
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mask_buf[px_i] = LV_OPA_TRANSP;
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continue;
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}
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}
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#if LV_COLOR_DEPTH == 8
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c.full = map_px[0];
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#elif LV_COLOR_DEPTH == 16
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c.full = map_px[0] + (map_px[1] << 8);
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#elif LV_COLOR_DEPTH == 32
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c.full = *((uint32_t *)map_px);
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#endif
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map2[px_i].full = c.full;
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}
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map_buf_tmp += map_w * px_size_byte;
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if(px_i + lv_area_get_width(&draw_area) < mask_buf_size) {
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blend_area.y2 ++;
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}
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else {
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/*Rotate*/
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bool ret;
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int32_t rot_x = x + (disp_area->x1 + draw_area.x1) - map_area->x1;
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int32_t rot_y = y + (disp_area->y1 + draw_area.y1) - map_area->y1;
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ret = lv_img_buf_transform(&trans_dsc, rot_x, rot_y);
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if(ret == false) {
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mask_buf[px_i] = LV_OPA_TRANSP;
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continue;
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}
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else {
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mask_buf[px_i] = trans_dsc.res.opa;
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c.full = trans_dsc.res.color.full;
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}
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}
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lv_blend_map(clip_area, &blend_area, map2, mask_buf, LV_DRAW_MASK_RES_CHANGED, draw_dsc->opa, draw_dsc->blend_mode);
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if(draw_dsc->recolor_opa != 0) {
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c = lv_color_mix_premult(recolor_premult, c, recolor_opa_inv);
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}
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blend_area.y1 = blend_area.y2 + 1;
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blend_area.y2 = blend_area.y1;
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map2[px_i].full = c.full;
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}
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/*Apply the masks if any*/
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if(other_mask_cnt) {
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lv_draw_mask_res_t mask_res_sub;
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mask_res_sub = lv_draw_mask_apply(mask_buf + px_i_start, draw_area.x1 + vdb->area.x1, y + draw_area.y1 + vdb->area.y1,
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lv_area_get_width(&draw_area));
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if(mask_res_sub == LV_DRAW_MASK_RES_FULL_TRANSP) {
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lv_memset_00(mask_buf + px_i_start, lv_area_get_width(&draw_area));
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mask_res = LV_DRAW_MASK_RES_CHANGED;
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}
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else if(mask_res_sub == LV_DRAW_MASK_RES_CHANGED) {
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mask_res = LV_DRAW_MASK_RES_CHANGED;
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px_i = 0;
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}
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}
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map_buf_tmp += map_w * px_size_byte;
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if(px_i + lv_area_get_width(&draw_area) < mask_buf_size) {
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blend_area.y2 ++;
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/*Flush the last part*/
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if(blend_area.y1 != blend_area.y2) {
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blend_area.y2--;
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lv_blend_map(clip_area, &blend_area, map2, mask_buf, LV_DRAW_MASK_RES_CHANGED, draw_dsc->opa, draw_dsc->blend_mode);
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}
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else {
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lv_blend_map(clip_area, &blend_area, map2, mask_buf, mask_res, draw_dsc->opa, draw_dsc->blend_mode);
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blend_area.y1 = blend_area.y2 + 1;
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blend_area.y2 = blend_area.y1;
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lv_mem_buf_release(mask_buf);
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lv_mem_buf_release(map2);
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} else {
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px_i = 0;
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mask_res = (alpha_byte || chroma_key || draw_dsc->angle) ? LV_DRAW_MASK_RES_CHANGED : LV_DRAW_MASK_RES_FULL_COVER;
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lv_img_transform_dsc_t trans_dsc;
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lv_memset_00(&trans_dsc, sizeof(lv_img_transform_dsc_t));
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if(transform) {
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lv_img_cf_t cf = LV_IMG_CF_TRUE_COLOR;
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if(alpha_byte) cf = LV_IMG_CF_TRUE_COLOR_ALPHA;
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else if(chroma_key) cf = LV_IMG_CF_TRUE_COLOR_CHROMA_KEYED;
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/*Prepare the `mask_buf`if there are other masks*/
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if(other_mask_cnt) {
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lv_memset_ff(mask_buf, mask_buf_size);
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}
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}
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}
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/*Flush the last part*/
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if(blend_area.y1 != blend_area.y2) {
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blend_area.y2--;
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lv_blend_map(clip_area, &blend_area, map2, mask_buf, mask_res, draw_dsc->opa, draw_dsc->blend_mode);
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trans_dsc.cfg.angle = draw_dsc->angle;
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trans_dsc.cfg.zoom = draw_dsc->zoom;
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trans_dsc.cfg.src = map_p;
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trans_dsc.cfg.src_w = map_w;
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trans_dsc.cfg.src_h = map_h;
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trans_dsc.cfg.cf = cf;
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trans_dsc.cfg.pivot_x = draw_dsc->pivot.x;
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trans_dsc.cfg.pivot_y = draw_dsc->pivot.y;
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trans_dsc.cfg.color = draw_dsc->recolor;
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trans_dsc.cfg.antialias = draw_dsc->antialias;
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lv_img_buf_transform_init(&trans_dsc);
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}
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uint16_t recolor_premult[3] = {0};
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lv_opa_t recolor_opa_inv = 255 - draw_dsc->recolor_opa;
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if(draw_dsc->recolor_opa != 0) {
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lv_color_premult(draw_dsc->recolor, draw_dsc->recolor_opa, recolor_premult);
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}
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lv_draw_mask_res_t mask_res;
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mask_res = (alpha_byte || chroma_key || draw_dsc->angle) ? LV_DRAW_MASK_RES_CHANGED : LV_DRAW_MASK_RES_FULL_COVER;
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int32_t x;
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int32_t y;
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for(y = 0; y < lv_area_get_height(&draw_area); y++) {
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map_px = map_buf_tmp;
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uint32_t px_i_start = px_i;
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for(x = 0; x < lv_area_get_width(&draw_area); x++, map_px += px_size_byte, px_i++) {
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if(transform == false)
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{
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if(alpha_byte) {
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lv_opa_t px_opa = map_px[LV_IMG_PX_SIZE_ALPHA_BYTE - 1];
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mask_buf[px_i] = px_opa;
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if(px_opa < LV_OPA_MIN) {
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#if LV_COLOR_DEPTH == 32
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map2[px_i].ch.alpha = 0xFF;
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#endif
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continue;
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}
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}
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else {
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mask_buf[px_i] = LV_OPA_COVER;
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}
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#if LV_COLOR_DEPTH == 8
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c.full = map_px[0];
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#elif LV_COLOR_DEPTH == 16
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c.full = map_px[0] + (map_px[1] << 8);
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#elif LV_COLOR_DEPTH == 32
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c.full = *((uint32_t *)map_px);
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#endif
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if(chroma_key) {
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if(c.full == chroma_keyed_color.full) {
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mask_buf[px_i] = LV_OPA_TRANSP;
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continue;
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}
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}
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}
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else {
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/*Rotate*/
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bool ret;
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int32_t rot_x = x + (disp_area->x1 + draw_area.x1) - map_area->x1;
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int32_t rot_y = y + (disp_area->y1 + draw_area.y1) - map_area->y1;
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ret = lv_img_buf_transform(&trans_dsc, rot_x, rot_y);
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if(ret == false) {
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mask_buf[px_i] = LV_OPA_TRANSP;
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continue;
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}
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else {
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mask_buf[px_i] = trans_dsc.res.opa;
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c.full = trans_dsc.res.color.full;
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}
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}
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if(draw_dsc->recolor_opa != 0) {
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c = lv_color_mix_premult(recolor_premult, c, recolor_opa_inv);
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}
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map2[px_i].full = c.full;
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}
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/*Apply the masks if any*/
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if(other_mask_cnt) {
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lv_draw_mask_res_t mask_res_sub;
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mask_res_sub = lv_draw_mask_apply(mask_buf + px_i_start, draw_area.x1 + vdb->area.x1, y + draw_area.y1 + vdb->area.y1,
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lv_area_get_width(&draw_area));
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if(mask_res_sub == LV_DRAW_MASK_RES_FULL_TRANSP) {
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lv_memset_00(mask_buf + px_i_start, lv_area_get_width(&draw_area));
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mask_res = LV_DRAW_MASK_RES_CHANGED;
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}
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else if(mask_res_sub == LV_DRAW_MASK_RES_CHANGED) {
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mask_res = LV_DRAW_MASK_RES_CHANGED;
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}
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}
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map_buf_tmp += map_w * px_size_byte;
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if(px_i + lv_area_get_width(&draw_area) < mask_buf_size) {
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blend_area.y2 ++;
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}
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else {
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lv_blend_map(clip_area, &blend_area, map2, mask_buf, mask_res, draw_dsc->opa, draw_dsc->blend_mode);
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blend_area.y1 = blend_area.y2 + 1;
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blend_area.y2 = blend_area.y1;
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px_i = 0;
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mask_res = (alpha_byte || chroma_key || draw_dsc->angle) ? LV_DRAW_MASK_RES_CHANGED : LV_DRAW_MASK_RES_FULL_COVER;
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/*Prepare the `mask_buf`if there are other masks*/
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if(other_mask_cnt) {
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lv_memset_ff(mask_buf, mask_buf_size);
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}
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}
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}
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/*Flush the last part*/
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if(blend_area.y1 != blend_area.y2) {
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blend_area.y2--;
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lv_blend_map(clip_area, &blend_area, map2, mask_buf, mask_res, draw_dsc->opa, draw_dsc->blend_mode);
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}
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}
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lv_mem_buf_release(mask_buf);
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