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fix(draw): solve memory leaking issue

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This commit is contained in:
Gabriel Wang
2022-06-30 22:38:51 +01:00
parent c2c44c68ee
commit 6f36e1a8c3
1 changed files with 43 additions and 41 deletions
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src/draw/sw/lv_draw_sw_layer.c
+8 -6
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@@ -43,9 +43,10 @@
struct _lv_draw_layer_ctx_t * lv_draw_sw_layer_create(struct _lv_draw_ctx_t * draw_ctx, lv_draw_layer_ctx_t * layer_ctx, struct _lv_draw_layer_ctx_t * lv_draw_sw_layer_create(struct _lv_draw_ctx_t * draw_ctx, lv_draw_layer_ctx_t * layer_ctx,
lv_draw_layer_flags_t flags) lv_draw_layer_flags_t flags)
{ {
do{
if(LV_COLOR_SCREEN_TRANSP == 0 && (flags & LV_DRAW_LAYER_FLAG_HAS_ALPHA)) { if(LV_COLOR_SCREEN_TRANSP == 0 && (flags & LV_DRAW_LAYER_FLAG_HAS_ALPHA)) {
LV_LOG_WARN("Rendering this widget needs LV_COLOR_SCREEN_TRANSP 1"); LV_LOG_WARN("Rendering this widget needs LV_COLOR_SCREEN_TRANSP 1");
return NULL; break;
} }
lv_draw_sw_layer_ctx_t * layer_sw_ctx = (lv_draw_sw_layer_ctx_t *) layer_ctx; lv_draw_sw_layer_ctx_t * layer_sw_ctx = (lv_draw_sw_layer_ctx_t *) layer_ctx;
@@ -61,8 +62,7 @@ struct _lv_draw_layer_ctx_t * lv_draw_sw_layer_create(struct _lv_draw_ctx_t * dr
layer_sw_ctx->buf_size_bytes = LV_LAYER_SIMPLE_FALLBACK_BUF_SIZE; layer_sw_ctx->buf_size_bytes = LV_LAYER_SIMPLE_FALLBACK_BUF_SIZE;
layer_sw_ctx->base_draw.buf = lv_mem_alloc(layer_sw_ctx->buf_size_bytes); layer_sw_ctx->base_draw.buf = lv_mem_alloc(layer_sw_ctx->buf_size_bytes);
if(layer_sw_ctx->base_draw.buf == NULL) { if(layer_sw_ctx->base_draw.buf == NULL) {
lv_mem_free(layer_ctx); break;
return NULL;
} }
} }
layer_sw_ctx->base_draw.area_act = layer_sw_ctx->base_draw.area_full; layer_sw_ctx->base_draw.area_act = layer_sw_ctx->base_draw.area_full;
@@ -78,8 +78,7 @@ struct _lv_draw_layer_ctx_t * lv_draw_sw_layer_create(struct _lv_draw_ctx_t * dr
lv_memset_00(layer_sw_ctx->base_draw.buf, layer_sw_ctx->buf_size_bytes); lv_memset_00(layer_sw_ctx->base_draw.buf, layer_sw_ctx->buf_size_bytes);
layer_sw_ctx->has_alpha = flags & LV_DRAW_LAYER_FLAG_HAS_ALPHA ? 1 : 0; layer_sw_ctx->has_alpha = flags & LV_DRAW_LAYER_FLAG_HAS_ALPHA ? 1 : 0;
if(layer_sw_ctx->base_draw.buf == NULL) { if(layer_sw_ctx->base_draw.buf == NULL) {
lv_mem_free(layer_ctx); break;
return NULL;
} }
draw_ctx->buf = layer_sw_ctx->base_draw.buf; draw_ctx->buf = layer_sw_ctx->base_draw.buf;
@@ -89,8 +88,11 @@ struct _lv_draw_layer_ctx_t * lv_draw_sw_layer_create(struct _lv_draw_ctx_t * dr
lv_disp_t * disp_refr = _lv_refr_get_disp_refreshing(); lv_disp_t * disp_refr = _lv_refr_get_disp_refreshing();
disp_refr->driver->screen_transp = flags & LV_DRAW_LAYER_FLAG_HAS_ALPHA ? 1 : 0; disp_refr->driver->screen_transp = flags & LV_DRAW_LAYER_FLAG_HAS_ALPHA ? 1 : 0;
} }
return layer_ctx; return layer_ctx;
} while(0);
lv_mem_free(layer_ctx);
return NULL;
} }
void lv_draw_sw_layer_adjust(struct _lv_draw_ctx_t * draw_ctx, struct _lv_draw_layer_ctx_t * layer_ctx, void lv_draw_sw_layer_adjust(struct _lv_draw_ctx_t * draw_ctx, struct _lv_draw_layer_ctx_t * layer_ctx,