Init

2026-02-26 19:56:43 -08:00
commit f000ee7c19
1137 changed files with 603879 additions and 0 deletions
--- a/inc/lvgl/src/draw/dma2d/lv_draw_dma2d_fill.c
+++ b/inc/lvgl/src/draw/dma2d/lv_draw_dma2d_fill.c
@@ -0,0 +1,133 @@
+/**
+ * @file lv_draw_dma2d_fill.c
+ *
+ */
+
+/*********************
+ *      INCLUDES
+ *********************/
+
+#include "lv_draw_dma2d_private.h"
+#if LV_USE_DRAW_DMA2D
+
+/*********************
+ *      DEFINES
+ *********************/
+
+/**********************
+ *      TYPEDEFS
+ **********************/
+
+/**********************
+ *  STATIC PROTOTYPES
+ **********************/
+
+/**********************
+ *  STATIC VARIABLES
+ **********************/
+
+/**********************
+ *      MACROS
+ **********************/
+
+/**********************
+ *   GLOBAL FUNCTIONS
+ **********************/
+
+void lv_draw_dma2d_opaque_fill(lv_draw_task_t * t, void * first_pixel, int32_t w, int32_t h, int32_t stride)
+{
+    lv_draw_fill_dsc_t * dsc = t->draw_dsc;
+    lv_color_format_t cf = dsc->base.layer->color_format;
+
+    lv_draw_dma2d_output_cf_t output_cf = lv_draw_dma2d_cf_to_dma2d_output_cf(cf);
+    uint32_t cf_size = LV_COLOR_FORMAT_GET_SIZE(cf);
+    uint32_t reg_to_mem_color = lv_draw_dma2d_color_to_dma2d_color(output_cf, dsc->color);
+
+#if LV_DRAW_DMA2D_CACHE
+    lv_draw_dma2d_cache_area_t cache_area = {
+        .first_byte = first_pixel,
+        .width_bytes = w * cf_size,
+        .height = h,
+        .stride = stride
+    };
+    lv_draw_dma2d_unit_t * u = (lv_draw_dma2d_unit_t *) t->draw_unit;
+    lv_memcpy(&u->writing_area, &cache_area, sizeof(lv_draw_dma2d_cache_area_t));
+#endif
+
+    lv_draw_dma2d_configuration_t conf = {
+        .mode = LV_DRAW_DMA2D_MODE_REGISTER_TO_MEMORY,
+        .w = w,
+        .h = h,
+
+        .output_address = first_pixel,
+        .output_offset = (stride / cf_size) - w,
+        .output_cf = output_cf,
+
+        .reg_to_mem_mode_color = reg_to_mem_color
+    };
+    lv_draw_dma2d_configure_and_start_transfer(&conf);
+}
+
+void lv_draw_dma2d_fill(lv_draw_task_t * t, void * first_pixel, int32_t w, int32_t h, int32_t stride)
+{
+    lv_draw_fill_dsc_t * dsc = t->draw_dsc;
+    lv_color_t color = dsc->color;
+    lv_color_format_t cf = dsc->base.layer->color_format;
+    lv_opa_t opa = dsc->opa;
+
+    lv_draw_dma2d_output_cf_t output_cf = lv_draw_dma2d_cf_to_dma2d_output_cf(cf);
+    uint32_t cf_size = LV_COLOR_FORMAT_GET_SIZE(cf);
+
+#if LV_DRAW_DMA2D_CACHE
+    lv_draw_dma2d_cache_area_t cache_area = {
+        .first_byte = first_pixel,
+        .width_bytes = w * cf_size,
+        .height = h,
+        .stride = stride
+    };
+    lv_draw_dma2d_unit_t * u = (lv_draw_dma2d_unit_t *) t->draw_unit;
+    lv_memcpy(&u->writing_area, &cache_area, sizeof(lv_draw_dma2d_cache_area_t));
+
+    /* make sure the background area DMA2D is blending is up-to-date in main memory */
+    lv_draw_dma2d_clean_cache(&cache_area);
+#endif
+
+    uint32_t output_offset = (stride / cf_size) - w;
+
+    lv_draw_dma2d_configuration_t conf = {
+        .mode = LV_DRAW_DMA2D_MODE_MEMORY_TO_MEMORY_WITH_BLENDING,
+        .w = w,
+        .h = h,
+
+        .output_address = first_pixel,
+        .output_offset = output_offset,
+        .output_cf = output_cf,
+
+        .fg_color = lv_color_to_u32(color),
+        .fg_address = first_pixel,
+        .fg_offset = output_offset,
+        .fg_alpha_mode = LV_DRAW_DMA2D_ALPHA_MODE_REPLACE_ALPHA_CHANNEL,
+        .fg_alpha = opa,
+        .fg_cf = LV_DRAW_DMA2D_FGBG_CF_A8,
+
+        .bg_address = first_pixel,
+        .bg_offset = output_offset,
+        .bg_alpha_mode = LV_DRAW_DMA2D_ALPHA_MODE_NO_MODIFY_IMAGE_ALPHA_CHANNEL,
+        .bg_alpha = opa,
+        .bg_cf = (lv_draw_dma2d_fgbg_cf_t) output_cf
+    };
+
+    /* Background alpha channel should be treated as 0xFF if the cf is XRGB */
+    if(cf == LV_COLOR_FORMAT_XRGB8888) {
+        conf.bg_alpha_mode = LV_DRAW_DMA2D_ALPHA_MODE_REPLACE_ALPHA_CHANNEL;
+        conf.bg_alpha = 0xff;
+    }
+
+    lv_draw_dma2d_configure_and_start_transfer(&conf);
+}
+
+/**********************
+ *   STATIC FUNCTIONS
+ **********************/
+
+#endif /*LV_USE_DRAW_DMA2D*/