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improve DMA2D blending dupport

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This commit is contained in:
Gabor Kiss-Vamosi 2020-05-26 10:59:29 +02:00
parent b056315410
commit 19c3f9306f
1 changed files with 22 additions and 1 deletions
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23
src/lv_draw/lv_draw_blend.c
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@ -318,12 +318,13 @@ LV_ATTRIBUTE_FAST_MEM static void fill_normal(const lv_area_t * disp_area, lv_co
disp->driver.gpu_fill_cb(&disp->driver, disp_buf, disp_w, draw_area, color);
return;
}
#endif
#if LV_USE_GPU_STM32_DMA2D
if(lv_area_get_size(draw_area) >= 240) {
lv_gpu_stm32_dma2d_fill(disp_buf_first, disp_w, color, draw_area_w, draw_area_h);
return;
}
#endif
#endif
/*Software rendering*/
for(y = 0; y < draw_area_h; y++) {
@ -345,6 +346,26 @@ LV_ATTRIBUTE_FAST_MEM static void fill_normal(const lv_area_t * disp_area, lv_co
return;
}
#endif
#if LV_USE_GPU_STM32_DMA2D
if(lv_area_get_size(draw_area) >= 240) {
static lv_color_t blend_buf[LV_HOR_RES_MAX] = {0};
if(blend_buf[0].full != color.full) lv_color_fill(blend_buf, color, LV_HOR_RES_MAX);
lv_coord_t line_h = LV_HOR_RES_MAX / draw_area_w;
for(y = 0; y <= draw_area_h - line_h; y += line_h) {
lv_gpu_stm32_dma2d_blend(disp_buf_first, disp_w, blend_buf, opa, draw_area_w, draw_area_w, line_h);
disp_buf_first += disp_w * line_h;
}
if(y != draw_area_h) {
lv_gpu_stm32_dma2d_blend(disp_buf_first, disp_w, blend_buf, opa, draw_area_w, draw_area_w, draw_area_h - y);
}
return;
}
#endif
lv_color_t last_dest_color = LV_COLOR_BLACK;
lv_color_t last_res_color = lv_color_mix(color, last_dest_color, opa);