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perf(draw): minor optimization on rgb565 color blending (#5603)

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This commit is contained in:
Gabor Kiss-Vamosi
2024-02-07 05:13:12 +01:00
committed by GitHub
parent 7579b96b9b
commit 2a020c4baa
1 changed files with 9 additions and 19 deletions
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src/draw/sw/blend/lv_draw_sw_blend_to_rgb565.c
+9 -19
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@@ -245,32 +245,22 @@ void LV_ATTRIBUTE_FAST_MEM lv_draw_sw_blend_color_to_rgb565(_lv_draw_sw_blend_fi
/*Masked with full opacity*/
else if(mask && opa >= LV_OPA_MAX) {
if(LV_RESULT_INVALID == LV_DRAW_SW_COLOR_BLEND_TO_RGB565_WITH_MASK(dsc)) {
uint32_t c32 = color16 + ((uint32_t)color16 << 16);
for(y = 0; y < h; y++) {
for(x = 0; x < w && ((lv_uintptr_t)(mask) & 0x3); x++) {
x = 0;
if((lv_uintptr_t)(mask) & 0x1) {
dest_buf_u16[x] = lv_color_16_16_mix(color16, dest_buf_u16[x], mask[x]);
x++;
}
for(; x <= w - 4; x += 4) {
uint32_t mask32 = *((uint32_t *)&mask[x]);
if(mask32 == 0xFFFFFFFF) {
if((lv_uintptr_t)&dest_buf_u16[x] & 0x3) {
dest_buf_u16[x] = color16;
uint32_t * d32 = (uint32_t *)(&dest_buf_u16[x + 1]);
*d32 = c32;
dest_buf_u16[x + 3] = color16;
}
else {
uint32_t * dest32 = (uint32_t *)&dest_buf_u16[x];
dest32[0] = c32;
dest32[1] = c32;
}
for(; x <= w - 2; x += 2) {
uint16_t mask16 = *((uint16_t *)&mask[x]);
if(mask16 == 0xFFFF) {
dest_buf_u16[x + 0] = color16;
dest_buf_u16[x + 1] = color16;
}
else if(mask32) {
else if(mask16 != 0) {
dest_buf_u16[x + 0] = lv_color_16_16_mix(color16, dest_buf_u16[x + 0], mask[x + 0]);
dest_buf_u16[x + 1] = lv_color_16_16_mix(color16, dest_buf_u16[x + 1], mask[x + 1]);
dest_buf_u16[x + 2] = lv_color_16_16_mix(color16, dest_buf_u16[x + 2], mask[x + 2]);
dest_buf_u16[x + 3] = lv_color_16_16_mix(color16, dest_buf_u16[x + 3], mask[x + 3]);
}
}