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feat(image): add YUV format enum and adapter yuv for vglite GPU (#5080)

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Signed-off-by: rongyichang <rongyichang@xiaomi.com>
This commit is contained in:
terry.rong 2023-12-23 05:26:07 +08:00 committed by GitHub
parent 8f58b8ec26
commit 5ada918ab7
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GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 54 additions and 9 deletions
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18
src/draw/lv_image_buf.h
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@ -122,6 +122,24 @@ typedef struct {
} lv_image_header_t;
#endif
typedef struct {
void * buf;
uint32_t stride; /*Number of bytes in a row*/
} lv_yuv_plane_t;
typedef union {
lv_yuv_plane_t yuv; /*packed format*/
struct {
lv_yuv_plane_t y;
lv_yuv_plane_t u;
lv_yuv_plane_t v;
} planar; /*planar format with 3 plane*/
struct {
lv_yuv_plane_t y;
lv_yuv_plane_t uv;
} semi_planar; /*planar format with 2 plane*/
} lv_yuv_buf_t;
/**
* Struct to describe an image. Both decoded and raw image can share
* the same struct.

9
src/draw/vg_lite/lv_vg_lite_decoder.c
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@ -312,6 +312,7 @@ static lv_result_t decoder_open_variable(lv_image_decoder_t * decoder, lv_image_
bool has_alpha = lv_color_format_has_alpha(cf);
bool is_indexed = LV_COLOR_FORMAT_IS_INDEXED(cf);
bool is_yuv = LV_COLOR_FORMAT_IS_YUV(cf);
bool is_addr_aligned = (image_data == lv_draw_buf_align((void *)image_data, cf)) ? true : false;
uint32_t stride = lv_draw_buf_width_to_stride(width, cf);
@ -320,10 +321,10 @@ static lv_result_t decoder_open_variable(lv_image_decoder_t * decoder, lv_image_
/* When the following conditions are met,
* there is no need to copy image resource preprocessing.
*/
if(is_addr_aligned
&& is_stride_aligned
&& !is_indexed
&& (!has_alpha || (has_alpha && support_blend_normal))) {
if((is_addr_aligned
&& is_stride_aligned
&& !is_indexed
&& (!has_alpha || (has_alpha && support_blend_normal))) || is_yuv) {
/*add cache*/
lv_cache_lock();

19
src/draw/vg_lite/lv_vg_lite_utils.c
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@ -396,6 +396,7 @@ bool lv_vg_lite_is_src_cf_supported(lv_color_format_t cf)
case LV_COLOR_FORMAT_RGB888:
case LV_COLOR_FORMAT_ARGB8888:
case LV_COLOR_FORMAT_XRGB8888:
case LV_COLOR_FORMAT_NV12:
return true;
default:
break;
@ -442,6 +443,9 @@ vg_lite_buffer_format_t lv_vg_lite_vg_fmt(lv_color_format_t cf)
case LV_COLOR_FORMAT_XRGB8888:
return VG_LITE_BGRX8888;
case LV_COLOR_FORMAT_NV12:
return VG_LITE_NV12;
default:
LV_LOG_ERROR("unsupport color format: %d", cf);
break;
@ -584,16 +588,21 @@ bool lv_vg_lite_buffer_init(
buffer->height = height;
lv_vg_lite_buffer_format_bytes(buffer->format, &mul, &div, &align);
buffer->stride = LV_VG_LITE_ALIGN((buffer->width * mul / div), align);
buffer->memory = (void *)ptr;
buffer->address = (uintptr_t)ptr;
if(format == VG_LITE_NV12) {
lv_yuv_buf_t * frame_p = (lv_yuv_buf_t *)ptr;
buffer->memory = (void *)frame_p->semi_planar.y.buf;
buffer->address = (uintptr_t)frame_p->semi_planar.y.buf;
buffer->yuv.swizzle = VG_LITE_SWIZZLE_UV;
buffer->yuv.uv_stride = buffer->stride;
buffer->yuv.alpha_stride = buffer->stride;
buffer->yuv.uv_height = buffer->height / 2;
buffer->yuv.uv_memory = (uint8_t *)ptr + (buffer->stride * buffer->height);
buffer->yuv.uv_planar = (uint32_t)(uintptr_t)buffer->yuv.uv_memory;
buffer->yuv.uv_memory = (void *)frame_p->semi_planar.uv.buf;
buffer->yuv.uv_planar = (uint32_t)(uintptr_t)frame_p->semi_planar.uv.buf;
buffer->yuv.uv_stride = frame_p->semi_planar.uv.stride;
}
else {
buffer->memory = (void *)ptr;
buffer->address = (uintptr_t)ptr;
}
return true;

17
src/misc/lv_color.h
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@ -139,6 +139,22 @@ enum _lv_color_format_t {
LV_COLOR_FORMAT_A2 = 0x0C,
LV_COLOR_FORMAT_A4 = 0x0D,
/* reference to https://wiki.videolan.org/YUV/ */
/*YUV planar formats*/
LV_COLOR_FORMAT_YUV_START = 0x20,
LV_COLOR_FORMAT_I420 = LV_COLOR_FORMAT_YUV_START, /*YUV420 planar(3 plane)*/
LV_COLOR_FORMAT_I422 = 0x21, /*YUV422 planar(3 plane)*/
LV_COLOR_FORMAT_I444 = 0x22, /*YUV444 planar(3 plane)*/
LV_COLOR_FORMAT_I400 = 0x23, /*YUV400 no chroma channel*/
LV_COLOR_FORMAT_NV21 = 0x24, /*YUV420 planar(2 plane), UV plane in 'V, U, V, U'*/
LV_COLOR_FORMAT_NV12 = 0x25, /*YUV420 planar(2 plane), UV plane in 'U, V, U, V'*/
/*YUV packed formats*/
LV_COLOR_FORMAT_YUY2 = 0x26, /*YUV422 packed like 'Y U Y V'*/
LV_COLOR_FORMAT_UYVY = 0x27, /*YUV422 packed like 'U Y V Y'*/
LV_COLOR_FORMAT_YUV_END = LV_COLOR_FORMAT_UYVY,
/*Color formats in which LVGL can render*/
#if LV_COLOR_DEPTH == 8
LV_COLOR_FORMAT_NATIVE = LV_COLOR_FORMAT_L8,
@ -162,6 +178,7 @@ typedef uint8_t lv_color_format_t;
#define LV_COLOR_FORMAT_IS_ALPHA_ONLY(cf) ((cf) >= LV_COLOR_FORMAT_A1 && (cf) <= LV_COLOR_FORMAT_A8)
#define LV_COLOR_FORMAT_IS_INDEXED(cf) ((cf) >= LV_COLOR_FORMAT_I1 && (cf) <= LV_COLOR_FORMAT_I8)
#define LV_COLOR_FORMAT_IS_YUV(cf) ((cf) >= LV_COLOR_FORMAT_YUV_START && (cf) <= LV_COLOR_FORMAT_YUV_END)
#define LV_COLOR_INDEXED_PALETTE_SIZE(cf) ((cf) == LV_COLOR_FORMAT_I1 ? 2 :\
(cf) == LV_COLOR_FORMAT_I2 ? 4 :\
(cf) == LV_COLOR_FORMAT_I4 ? 16 :\