feat(vg_lite): add ARGB1555 ARGB4444 ARGB2222 support (#7028)

Signed-off-by: yushuailong1 <yushuailong1@xiaomi.com>
Co-authored-by: yushuailong1 <yushuailong1@xiaomi.com>
Co-authored-by: pengyiqiang <pengyiqiang@xiaomi.com>
Co-authored-by: FASTSHIFT <vifextech@foxmail.com>

src/draw/vg_lite/lv_vg_lite_utils.c

@@ -403,6 +403,9 @@ bool lv_vg_lite_is_dest_cf_supported(lv_color_format_t cf)
         case LV_COLOR_FORMAT_RGB565:
         case LV_COLOR_FORMAT_ARGB8888:
         case LV_COLOR_FORMAT_XRGB8888:
+        case LV_COLOR_FORMAT_ARGB1555:
+        case LV_COLOR_FORMAT_ARGB4444:
+        case LV_COLOR_FORMAT_ARGB2222:
             return true;
 
         case LV_COLOR_FORMAT_ARGB8565:
@@ -425,6 +428,9 @@ bool lv_vg_lite_is_src_cf_supported(lv_color_format_t cf)
         case LV_COLOR_FORMAT_RGB565:
         case LV_COLOR_FORMAT_ARGB8888:
         case LV_COLOR_FORMAT_XRGB8888:
+        case LV_COLOR_FORMAT_ARGB1555:
+        case LV_COLOR_FORMAT_ARGB4444:
+        case LV_COLOR_FORMAT_ARGB2222:
             return true;
 
         case LV_COLOR_FORMAT_I1:
@@ -476,6 +482,15 @@ vg_lite_buffer_format_t lv_vg_lite_vg_fmt(lv_color_format_t cf)
         case LV_COLOR_FORMAT_I8:
             return VG_LITE_INDEX_8;
 
+        case LV_COLOR_FORMAT_ARGB1555:
+            return VG_LITE_BGRA5551;
+
+        case LV_COLOR_FORMAT_ARGB4444:
+            return VG_LITE_BGRA4444;
+
+        case LV_COLOR_FORMAT_ARGB2222:
+            return  VG_LITE_BGRA2222;
+
         case LV_COLOR_FORMAT_RGB565:
             return VG_LITE_BGR565;
 

src/misc/lv_color.c

@@ -55,12 +55,15 @@ uint8_t lv_color_format_get_bpp(lv_color_format_t cf)
         case LV_COLOR_FORMAT_L8:
         case LV_COLOR_FORMAT_A8:
         case LV_COLOR_FORMAT_I8:
+        case LV_COLOR_FORMAT_ARGB2222:
             return 8;
 
         case LV_COLOR_FORMAT_RGB565A8:
         case LV_COLOR_FORMAT_RGB565:
         case LV_COLOR_FORMAT_YUY2:
         case LV_COLOR_FORMAT_AL88:
+        case LV_COLOR_FORMAT_ARGB1555:
+        case LV_COLOR_FORMAT_ARGB4444:
             return 16;
 
         case LV_COLOR_FORMAT_ARGB8565:
@@ -91,6 +94,9 @@ bool lv_color_format_has_alpha(lv_color_format_t cf)
         case LV_COLOR_FORMAT_ARGB8565:
         case LV_COLOR_FORMAT_ARGB8888:
         case LV_COLOR_FORMAT_AL88:
+        case LV_COLOR_FORMAT_ARGB2222:
+        case LV_COLOR_FORMAT_ARGB1555:
+        case LV_COLOR_FORMAT_ARGB4444:
             return true;
         default:
             return false;

src/misc/lv_color.h

@@ -72,10 +72,13 @@ enum {
                                             (cf) == LV_COLOR_FORMAT_L8 ? 8 :        \
                                             (cf) == LV_COLOR_FORMAT_A8 ? 8 :        \
                                             (cf) == LV_COLOR_FORMAT_I8 ? 8 :        \
+                                            (cf) == LV_COLOR_FORMAT_ARGB2222 ? 8 :  \
                                             (cf) == LV_COLOR_FORMAT_AL88 ? 16 :     \
                                             (cf) == LV_COLOR_FORMAT_RGB565 ? 16 :   \
                                             (cf) == LV_COLOR_FORMAT_RGB565A8 ? 16 : \
                                             (cf) == LV_COLOR_FORMAT_YUY2 ? 16 :     \
+                                            (cf) == LV_COLOR_FORMAT_ARGB1555 ? 16 : \
+                                            (cf) == LV_COLOR_FORMAT_ARGB4444 ? 16 : \
                                             (cf) == LV_COLOR_FORMAT_ARGB8565 ? 24 : \
                                             (cf) == LV_COLOR_FORMAT_RGB888 ? 24 :   \
                                             (cf) == LV_COLOR_FORMAT_ARGB8888 ? 32 : \
@@ -154,6 +157,9 @@ typedef enum {
     LV_COLOR_FORMAT_A1                = 0x0B,
     LV_COLOR_FORMAT_A2                = 0x0C,
     LV_COLOR_FORMAT_A4                = 0x0D,
+    LV_COLOR_FORMAT_ARGB1555          = 0x16,
+    LV_COLOR_FORMAT_ARGB4444          = 0x17,
+    LV_COLOR_FORMAT_ARGB2222          = 0X18,
 
     /* reference to https://wiki.videolan.org/YUV/ */
     /*YUV planar formats*/

src/others/snapshot/lv_snapshot.c

@@ -86,6 +86,9 @@ lv_result_t lv_snapshot_take_to_draw_buf(lv_obj_t * obj, lv_color_format_t cf, l
         case LV_COLOR_FORMAT_A8:
         case LV_COLOR_FORMAT_L8:
         case LV_COLOR_FORMAT_I1:
+        case LV_COLOR_FORMAT_ARGB2222:
+        case LV_COLOR_FORMAT_ARGB4444:
+        case LV_COLOR_FORMAT_ARGB1555:
             break;
         default:
             LV_LOG_WARN("Not supported color format");

src/others/vg_lite_tvg/vg_lite_tvg.cpp

@@ -119,6 +119,27 @@ typedef struct {
     uint8_t alpha;
 } vg_color32_t;
 
+typedef struct {
+    uint8_t blue : 4;
+    uint8_t green : 4;
+    uint8_t red : 4;
+    uint8_t alpha : 4;
+} vg_color_bgra4444_t;
+
+typedef struct {
+    uint8_t blue : 2;
+    uint8_t green : 2;
+    uint8_t red : 2;
+    uint8_t alpha : 2;
+} vg_color_bgra2222_t;
+
+typedef struct {
+    uint8_t blue : 5;
+    uint8_t green : 5;
+    uint8_t red : 5;
+    uint8_t alpha : 1;
+} vg_color_bgra5551_t;
+
 typedef struct {
     vg_lite_float_t x;
     vg_lite_float_t y;
@@ -441,6 +462,45 @@ static vg_lite_converter<vg_color32_t, uint8_t> conv_l8_to_bgra8888(
     }
 });
 
+static vg_lite_converter<vg_color32_t, vg_color_bgra5551_t> conv_bgra5551_to_bgra8888(
+    [](vg_color32_t * dest, const vg_color_bgra5551_t * src, vg_lite_uint32_t px_size, vg_lite_uint32_t /* color */)
+{
+    while(px_size--) {
+        dest->red = src->red * 0xFF / 0x1F;
+        dest->green = src->green * 0xFF / 0x1F;
+        dest->blue = src->blue * 0xFF / 0x1F;
+        dest->alpha = src->alpha ? 0xFF : 0;
+        src++;
+        dest++;
+    }
+});
+
+static vg_lite_converter<vg_color32_t, vg_color_bgra4444_t> conv_bgra4444_to_bgra8888(
+    [](vg_color32_t * dest, const vg_color_bgra4444_t * src, vg_lite_uint32_t px_size, vg_lite_uint32_t /* color */)
+{
+    while(px_size--) {
+        dest->red = src->red * 0xFF / 0xF;
+        dest->green = src->green * 0xFF / 0xF;
+        dest->blue = src->blue * 0xFF / 0xF;
+        dest->alpha = src->alpha * 0xFF / 0xF;
+        src++;
+        dest++;
+    }
+});
+
+static vg_lite_converter<vg_color32_t, vg_color_bgra2222_t> conv_bgra2222_to_bgra8888(
+    [](vg_color32_t * dest, const vg_color_bgra2222_t * src, vg_lite_uint32_t px_size, vg_lite_uint32_t /* color */)
+{
+    while(px_size--) {
+        dest->red = src->red * 0xFF / 0x3;
+        dest->green = src->green * 0xFF / 0x3;
+        dest->blue = src->blue * 0xFF / 0x3;
+        dest->alpha = src->alpha * 0xFF / 0x3;
+        src++;
+        dest++;
+    }
+});
+
 /**********************
  *      MACROS
  **********************/
@@ -686,6 +746,43 @@ extern "C" {
         }
     }
 
+    static void picture_bgra8888_to_bgra5551(vg_color_bgra5551_t * dest, const vg_color32_t * src, vg_lite_uint32_t px_size)
+    {
+        while(px_size--) {
+            dest->red = src->red * 0x1F / 0xFF;
+            dest->green = src->green * 0x1F / 0xFF;
+            dest->blue = src->blue * 0x1F / 0xFF;
+            dest->alpha = src->alpha > (0xFF / 2) ? 1 : 0;
+            src++;
+            dest++;
+        }
+    }
+
+    static void picture_bgra8888_to_bgra4444(vg_color_bgra4444_t * dest, const vg_color32_t * src, vg_lite_uint32_t px_size)
+    {
+        while(px_size--) {
+            dest->red = src->red * 0xF / 0xFF;
+            dest->green = src->green * 0xF / 0xFF;
+            dest->blue = src->blue * 0xF / 0xFF;
+            dest->alpha = src->alpha * 0xF / 0xFF;
+            src++;
+            dest++;
+        }
+    }
+
+    static void picture_bgra8888_to_bgra2222(vg_color_bgra2222_t * dest, const vg_color32_t * src, vg_lite_uint32_t px_size)
+    {
+        while(px_size--) {
+            dest->red = src->red * 0x3 / 0xFF;
+            dest->green = src->green * 0x3 / 0xFF;
+            dest->blue = src->blue * 0x3 / 0xFF;
+            dest->alpha = src->alpha * 0x3 / 0xFF;
+            src++;
+            dest++;
+        }
+    }
+
+
     vg_lite_error_t vg_lite_finish(void)
     {
         vg_lite_ctx * ctx = vg_lite_ctx::get_instance();
@@ -732,6 +829,21 @@ extern "C" {
                     (const vg_color32_t *)ctx->get_temp_target_buffer(),
                     ctx->target_px_size);
                 break;
+            case VG_LITE_BGRA5551:
+                picture_bgra8888_to_bgra5551((vg_color_bgra5551_t *)ctx->target_buffer,
+                                             (const vg_color32_t *)ctx->get_temp_target_buffer(),
+                                             ctx->target_px_size);
+                break;
+            case VG_LITE_BGRA4444:
+                picture_bgra8888_to_bgra4444((vg_color_bgra4444_t *)ctx->target_buffer,
+                                             (const vg_color32_t *)ctx->get_temp_target_buffer(),
+                                             ctx->target_px_size);
+                break;
+            case VG_LITE_BGRA2222:
+                picture_bgra8888_to_bgra2222((vg_color_bgra2222_t *)ctx->target_buffer,
+                                             (const vg_color32_t *)ctx->get_temp_target_buffer(),
+                                             ctx->target_px_size);
+                break;
             case VG_LITE_BGRA8888:
             case VG_LITE_BGRX8888:
                 /* No conversion required. */
@@ -2547,6 +2659,21 @@ static Result picture_load(vg_lite_ctx * ctx, std::unique_ptr<Picture> & picture
                 }
                 break;
 
+            case VG_LITE_BGRA5551: {
+                    conv_bgra5551_to_bgra8888.convert(&target, source);
+                }
+                break;
+
+            case VG_LITE_BGRA4444: {
+                    conv_bgra4444_to_bgra8888.convert(&target, source);
+                }
+                break;
+
+            case VG_LITE_BGRA2222: {
+                    conv_bgra2222_to_bgra8888.convert(&target, source);
+                }
+                break;
+
 #if LV_VG_LITE_THORVG_YUV_SUPPORT
             case VG_LITE_NV12: {
                     libyuv::NV12ToARGB((const uint8_t *)source->memory, source->stride, (const uint8_t *)source->yuv.uv_memory,