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feat(draw_buf): misc update (#5498)

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Signed-off-by: Xu Xingliang <xuxingliang@xiaomi.com>
This commit is contained in:
Neo Xu 2024-01-29 17:18:24 +08:00 committed by GitHub
parent 152dc0b2be
commit da3ff11bd5
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GPG Key ID: B5690EEEBB952194
4 changed files with 20 additions and 1 deletions
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4
src/draw/lv_draw_buf.c
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@ -296,8 +296,12 @@ lv_draw_buf_t * lv_draw_buf_adjust_stride(const lv_draw_buf_t * src, uint32_t st
lv_draw_buf_t * dst = lv_draw_buf_create(header->w, header->h, header->cf, stride);
if(dst == NULL) return NULL;
uint32_t offset = LV_COLOR_INDEXED_PALETTE_SIZE(header->cf) * 4;
if(offset) lv_memcpy(dst->data, src->data, offset);
uint8_t * dst_data = dst->data;
dst_data += offset;
const uint8_t * src_data = src->data;
src_data += offset;
for(int32_t y = 0; y < src->header.h; y++) {
lv_memcpy(dst_data, src_data, min_stride);
src_data += src->header.stride;

10
src/draw/lv_draw_buf.h
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@ -224,6 +224,16 @@ static inline bool lv_draw_buf_has_flag(lv_draw_buf_t * draw_buf, lv_image_flags
return draw_buf->header.flags & flag;
}
static inline void lv_draw_buf_set_flag(lv_draw_buf_t * draw_buf, lv_image_flags_t flag)
{
draw_buf->header.flags |= flag;
}
static inline void lv_draw_buf_clear_flag(lv_draw_buf_t * draw_buf, lv_image_flags_t flag)
{
draw_buf->header.flags &= ~flag;
}
/**
* As of now, draw buf share same definition as `lv_image_dsc_t`.
* And is interchangeable with `lv_image_dsc_t`.

3
src/draw/vg_lite/lv_draw_vg_lite.c
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@ -104,6 +104,9 @@ static void draw_execute(lv_draw_vg_lite_unit_t * u)
lv_vg_lite_buffer_from_draw_buf(&u->target_buffer, layer->draw_buf);
/* VG-Lite will output premultiplied image, set the flag correspondingly. */
lv_draw_buf_set_flag(layer->draw_buf, LV_IMAGE_FLAGS_PREMULTIPLIED);
vg_lite_identity(&u->global_matrix);
vg_lite_translate(-layer->buf_area.x1, -layer->buf_area.y1, &u->global_matrix);

4
src/draw/vg_lite/lv_draw_vg_lite_layer.c
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@ -51,7 +51,9 @@ void lv_draw_vg_lite_layer(lv_draw_unit_t * draw_unit, const lv_draw_image_dsc_t
LV_PROFILER_BEGIN;
/* The GPU output should already be premultiplied RGB */
layer->draw_buf->header.flags |= LV_IMAGE_FLAGS_PREMULTIPLIED;
if(!lv_draw_buf_has_flag(layer->draw_buf, LV_IMAGE_FLAGS_PREMULTIPLIED)) {
LV_LOG_WARN("Non-premultiplied layer buffer for GPU to draw.");
}
lv_draw_image_dsc_t new_draw_dsc = *draw_dsc;
new_draw_dsc.src = layer->draw_buf;