1 /**
2 * @file lv_draw_dma2d_fill.c
3 *
4 */
5
6 /*********************
7 * INCLUDES
8 *********************/
9
10 #include "lv_draw_dma2d_private.h"
11 #if LV_USE_DRAW_DMA2D
12
13 /*********************
14 * DEFINES
15 *********************/
16
17 /**********************
18 * TYPEDEFS
19 **********************/
20
21 /**********************
22 * STATIC PROTOTYPES
23 **********************/
24
25 /**********************
26 * STATIC VARIABLES
27 **********************/
28
29 /**********************
30 * MACROS
31 **********************/
32
33 /**********************
34 * GLOBAL FUNCTIONS
35 **********************/
36
lv_draw_dma2d_opaque_fill(lv_draw_dma2d_unit_t * u,void * first_pixel,int32_t w,int32_t h,int32_t stride)37 void lv_draw_dma2d_opaque_fill(lv_draw_dma2d_unit_t * u, void * first_pixel, int32_t w, int32_t h, int32_t stride)
38 {
39 lv_draw_fill_dsc_t * dsc = u->task_act->draw_dsc;
40 lv_color_format_t cf = dsc->base.layer->color_format;
41
42 lv_draw_dma2d_output_cf_t output_cf = lv_draw_dma2d_cf_to_dma2d_output_cf(cf);
43 uint32_t cf_size = LV_COLOR_FORMAT_GET_SIZE(cf);
44 uint32_t reg_to_mem_color = lv_draw_dma2d_color_to_dma2d_color(output_cf, dsc->color);
45
46 #if LV_DRAW_DMA2D_CACHE
47 lv_draw_dma2d_cache_area_t cache_area = {
48 .first_byte = first_pixel,
49 .width_bytes = w * cf_size,
50 .height = h,
51 .stride = stride
52 };
53 lv_memcpy(&u->writing_area, &cache_area, sizeof(lv_draw_dma2d_cache_area_t));
54 #endif
55
56 lv_draw_dma2d_configuration_t conf = {
57 .mode = LV_DRAW_DMA2D_MODE_REGISTER_TO_MEMORY,
58 .w = w,
59 .h = h,
60
61 .output_address = first_pixel,
62 .output_offset = (stride / cf_size) - w,
63 .output_cf = output_cf,
64
65 .reg_to_mem_mode_color = reg_to_mem_color
66 };
67 lv_draw_dma2d_configure_and_start_transfer(&conf);
68 }
69
lv_draw_dma2d_fill(lv_draw_dma2d_unit_t * u,void * first_pixel,int32_t w,int32_t h,int32_t stride)70 void lv_draw_dma2d_fill(lv_draw_dma2d_unit_t * u, void * first_pixel, int32_t w, int32_t h, int32_t stride)
71 {
72 lv_draw_fill_dsc_t * dsc = u->task_act->draw_dsc;
73 lv_color_t color = dsc->color;
74 lv_color_format_t cf = dsc->base.layer->color_format;
75 lv_opa_t opa = dsc->opa;
76
77 lv_draw_dma2d_output_cf_t output_cf = lv_draw_dma2d_cf_to_dma2d_output_cf(cf);
78 uint32_t cf_size = LV_COLOR_FORMAT_GET_SIZE(cf);
79
80 #if LV_DRAW_DMA2D_CACHE
81 lv_draw_dma2d_cache_area_t cache_area = {
82 .first_byte = first_pixel,
83 .width_bytes = w * cf_size,
84 .height = h,
85 .stride = stride
86 };
87 lv_memcpy(&u->writing_area, &cache_area, sizeof(lv_draw_dma2d_cache_area_t));
88
89 /* make sure the background area DMA2D is blending is up-to-date in main memory */
90 lv_draw_dma2d_clean_cache(&cache_area);
91 #endif
92
93 uint32_t output_offset = (stride / cf_size) - w;
94 lv_draw_dma2d_configuration_t conf = {
95 .mode = LV_DRAW_DMA2D_MODE_MEMORY_TO_MEMORY_WITH_BLENDING_AND_FIXED_COLOR_FG,
96 .w = w,
97 .h = h,
98
99 .output_address = first_pixel,
100 .output_offset = output_offset,
101 .output_cf = output_cf,
102
103 .fg_color = lv_color_to_u32(color),
104 .fg_alpha_mode = LV_DRAW_DMA2D_ALPHA_MODE_REPLACE_ALPHA_CHANNEL,
105 .fg_alpha = opa,
106
107 .bg_address = first_pixel,
108 .bg_offset = output_offset,
109 .bg_cf = (lv_draw_dma2d_fgbg_cf_t) output_cf
110 };
111
112 /* Background alpha channel should be treated as 0xFF if the cf is XRGB */
113 if(cf == LV_COLOR_FORMAT_XRGB8888) {
114 conf.bg_alpha_mode = LV_DRAW_DMA2D_ALPHA_MODE_REPLACE_ALPHA_CHANNEL;
115 conf.bg_alpha = 0xff;
116 }
117
118 lv_draw_dma2d_configure_and_start_transfer(&conf);
119 }
120
121 /**********************
122 * STATIC FUNCTIONS
123 **********************/
124
125 #endif /*LV_USE_DRAW_DMA2D*/
126
