diff options
Diffstat (limited to 'main/http_api.c')
| -rw-r--r-- | main/http_api.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/main/http_api.c b/main/http_api.c index c87b8dc..447cb52 100644 --- a/main/http_api.c +++ b/main/http_api.c @@ -365,9 +365,13 @@ static esp_err_t frame_post_handler(httpd_req_t *req) int64_t t_recv = esp_timer_get_time(); - void *rgb = NULL; + // Decode straight into the panel's back framebuffer — no scratch + // buffer, no later memcpy. The flip below is a cache writeback + + // index swap inside the IDF DPI driver. + size_t back_size = 0; + void *back = display_back_buffer(&back_size); uint16_t w = 0, h = 0; - esp_err_t dec_err = jpeg_decoder_decode(got, &rgb, &w, &h); + esp_err_t dec_err = jpeg_decoder_decode(got, back, back_size, &w, &h); int64_t t_decode = esp_timer_get_time(); if (dec_err != ESP_OK) { viewport_state_lock(); @@ -392,7 +396,7 @@ static esp_err_t frame_post_handler(httpd_req_t *req) return respond_status(req, "400 Bad Request", msg); } - esp_err_t paint_err = display_present_bgr888(rgb); + esp_err_t paint_err = display_flip_back_buffer(); int64_t t_paint = esp_timer_get_time(); int64_t t_post = 0; if (paint_err != ESP_OK) { |