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draw_img: optimize ARGB rendering

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This commit is contained in:
Gabor Kiss-Vamosi
2020-03-22 13:20:09 +01:00
parent 2a1db9ee86
commit 6fae3a0eb6
1 changed files with 167 additions and 113 deletions
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68
src/lv_draw/lv_draw_img.c
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@@ -395,6 +395,58 @@ static void lv_draw_map(const lv_area_t * map_area, const lv_area_t * clip_area,
bool transform = draw_dsc->angle != 0 || draw_dsc->zoom != LV_IMG_ZOOM_NONE ? true : false; bool transform = draw_dsc->angle != 0 || draw_dsc->zoom != LV_IMG_ZOOM_NONE ? true : false;
/*Simple ARGB image. Handle it as special case because it's very common*/
if(other_mask_cnt == 0 && !transform && !chroma_key && alpha_byte) {
int32_t x;
int32_t y;
lv_coord_t draw_area_h = lv_area_get_height(&draw_area);
lv_coord_t draw_area_w = lv_area_get_width(&draw_area);
for(y = 0; y < draw_area_h; y++) {
map_px = map_buf_tmp;
for(x = 0; x < draw_area_w; x++, map_px += px_size_byte, px_i++) {
lv_opa_t px_opa = map_px[LV_IMG_PX_SIZE_ALPHA_BYTE - 1];
mask_buf[px_i] = px_opa;
if(px_opa < LV_OPA_MIN) {
#if LV_COLOR_DEPTH == 32
map2[px_i].ch.alpha = 0xFF;
#endif
continue;
}
#if LV_COLOR_DEPTH == 8
c.full = map_px[0];
#elif LV_COLOR_DEPTH == 16
c.full = map_px[0] + (map_px[1] << 8);
#elif LV_COLOR_DEPTH == 32
c.full = *((uint32_t *)map_px);
#endif
map2[px_i].full = c.full;
}
map_buf_tmp += map_w * px_size_byte;
if(px_i + lv_area_get_width(&draw_area) < mask_buf_size) {
blend_area.y2 ++;
}
else {
lv_blend_map(clip_area, &blend_area, map2, mask_buf, LV_DRAW_MASK_RES_CHANGED, draw_dsc->opa, draw_dsc->blend_mode);
blend_area.y1 = blend_area.y2 + 1;
blend_area.y2 = blend_area.y1;
px_i = 0;
}
}
/*Flush the last part*/
if(blend_area.y1 != blend_area.y2) {
blend_area.y2--;
lv_blend_map(clip_area, &blend_area, map2, mask_buf, LV_DRAW_MASK_RES_CHANGED, draw_dsc->opa, draw_dsc->blend_mode);
}
lv_mem_buf_release(mask_buf);
lv_mem_buf_release(map2);
} else {
lv_img_transform_dsc_t trans_dsc; lv_img_transform_dsc_t trans_dsc;
lv_memset_00(&trans_dsc, sizeof(lv_img_transform_dsc_t)); lv_memset_00(&trans_dsc, sizeof(lv_img_transform_dsc_t));
if(transform) { if(transform) {
@@ -433,14 +485,15 @@ static void lv_draw_map(const lv_area_t * map_area, const lv_area_t * clip_area,
for(x = 0; x < lv_area_get_width(&draw_area); x++, map_px += px_size_byte, px_i++) { for(x = 0; x < lv_area_get_width(&draw_area); x++, map_px += px_size_byte, px_i++) {
if(transform == false) { if(transform == false)
{
if(alpha_byte) { if(alpha_byte) {
lv_opa_t px_opa = map_px[LV_IMG_PX_SIZE_ALPHA_BYTE - 1]; lv_opa_t px_opa = map_px[LV_IMG_PX_SIZE_ALPHA_BYTE - 1];
mask_buf[px_i] = px_opa; mask_buf[px_i] = px_opa;
if(px_opa < LV_OPA_MIN) { if(px_opa < LV_OPA_MIN) {
#if LV_COLOR_DEPTH == 32 #if LV_COLOR_DEPTH == 32
map2[px_i].ch.alpha = 0xFF; map2[px_i].ch.alpha = 0xFF;
#endif #endif
continue; continue;
} }
} }
@@ -448,13 +501,13 @@ static void lv_draw_map(const lv_area_t * map_area, const lv_area_t * clip_area,
mask_buf[px_i] = LV_OPA_COVER; mask_buf[px_i] = LV_OPA_COVER;
} }
#if LV_COLOR_DEPTH == 8 #if LV_COLOR_DEPTH == 8
c.full = map_px[0]; c.full = map_px[0];
#elif LV_COLOR_DEPTH == 16 #elif LV_COLOR_DEPTH == 16
c.full = map_px[0] + (map_px[1] << 8); c.full = map_px[0] + (map_px[1] << 8);
#elif LV_COLOR_DEPTH == 32 #elif LV_COLOR_DEPTH == 32
c.full = *((uint32_t *)map_px); c.full = *((uint32_t *)map_px);
#endif #endif
if(chroma_key) { if(chroma_key) {
if(c.full == chroma_keyed_color.full) { if(c.full == chroma_keyed_color.full) {
mask_buf[px_i] = LV_OPA_TRANSP; mask_buf[px_i] = LV_OPA_TRANSP;
@@ -523,6 +576,7 @@ static void lv_draw_map(const lv_area_t * map_area, const lv_area_t * clip_area,
blend_area.y2--; blend_area.y2--;
lv_blend_map(clip_area, &blend_area, map2, mask_buf, mask_res, draw_dsc->opa, draw_dsc->blend_mode); lv_blend_map(clip_area, &blend_area, map2, mask_buf, mask_res, draw_dsc->opa, draw_dsc->blend_mode);
} }
}
lv_mem_buf_release(mask_buf); lv_mem_buf_release(mask_buf);
lv_mem_buf_release(map2); lv_mem_buf_release(map2);