jpeg pushed a commit to branch master. http://git.enlightenment.org/core/efl.git/commit/?id=223e1258c15636ba7b806f40daa62707fb68baf1
commit 223e1258c15636ba7b806f40daa62707fb68baf1 Author: Jean-Philippe Andre <[email protected]> Date: Wed Mar 19 09:40:28 2014 +0900 Evas filters: Quick redraw using output buffer In Image_Object, reuse the previous output buffer if it is still valid (image didn't change, etc...). --- src/lib/evas/canvas/evas_object_image.c | 47 ++++++++++++++++++++++++++++++--- 1 file changed, 43 insertions(+), 4 deletions(-) diff --git a/src/lib/evas/canvas/evas_object_image.c b/src/lib/evas/canvas/evas_object_image.c index a3931d2..be5966a 100644 --- a/src/lib/evas/canvas/evas_object_image.c +++ b/src/lib/evas/canvas/evas_object_image.c @@ -3152,12 +3152,47 @@ evas_object_image_render(Evas_Object *eo_obj, Evas_Object_Protected_Data *obj, v if (!o->cur->filter.invalid && o->cur->filter.code) { Evas_Filter_Program *pgm = o->cur->filter.chain;; + Eina_Bool redraw = o->cur->filter.changed; Eina_Bool ok; evas_filter_program_padding_get(pgm, &l, &r, &t, &b); W = obj->cur->geometry.w + l + r; H = obj->cur->geometry.h + t + b; + if (!redraw && o->cur->filter.output) + { + if (o->cur->filter.sources && o->cur->filter.sources_count > 0) + { + Evas_Filter_Proxy_Binding *pb; + Evas_Object_Protected_Data *prxsource; + Eina_Iterator *iter; + + iter = eina_hash_iterator_data_new(o->cur->filter.sources); + EINA_ITERATOR_FOREACH(iter, pb) + { + prxsource = eo_data_scope_get(pb->eo_source, EVAS_OBJ_CLASS); + if (prxsource->changed) + { + redraw = EINA_TRUE; + break; + } + } + eina_iterator_free(iter); + } + + if (!redraw) + { + // Render this image only + obj->layer->evas->engine.func->image_draw(output, context, + surface, o->cur->filter.output, + 0, 0, W, H, + offx, offy, W, H, + EINA_TRUE, + do_async); + return; + } + } + if (!pgm) { pgm = evas_filter_program_new("Image", EINA_FALSE); @@ -3428,10 +3463,14 @@ state_write: /* Evas filters wrap-up */ if (filter) { - //void *outbuf = evas_filter_buffer_backing_steal(filter, EVAS_FILTER_BUFFER_OUTPUT_ID); - //EINA_COW_IMAGE_STATE_WRITE_BEGIN(o, state_write) - //state_write->filter.output = outbuf; - //EINA_COW_IMAGE_STATE_WRITE_END(o, state_write) + void *outbuf = evas_filter_buffer_backing_steal(filter, EVAS_FILTER_BUFFER_OUTPUT_ID); + if (outbuf != o->cur->filter.output) + { + evas_filter_buffer_backing_release(filter, o->cur->filter.output); + EINA_COW_IMAGE_STATE_WRITE_BEGIN(o, state_write) + state_write->filter.output = outbuf; + EINA_COW_IMAGE_STATE_WRITE_END(o, state_write) + } evas_filter_image_draw(filter, context, EVAS_FILTER_BUFFER_INPUT_ID, surface, do_async_save); obj->layer->evas->engine.func->context_free(output, context); --
