//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Update the rendered image, with or without passes
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void BlenderSession::do_write_update_render_img(bool do_update_only) {
int x = 0;
int y = 0;
int w = width;
int h = height;
// Get render result
BL::RenderResult b_rr = begin_render_result(b_engine, x, y, w, h, b_rlay_name.c_str());
// Can happen if the intersected rectangle gives 0 width or height
if (!b_rr.ptr.data) return;
BL::RenderResult::layers_iterator b_single_rlay;
b_rr.layers.begin(b_single_rlay);
BL::RenderLayer b_rlay = *b_single_rlay;
if(do_update_only) {
// Update only needed
update_render_result(b_rr, b_rlay);
end_render_result(b_engine, b_rr, true, true);
}
else {
// Write result
write_render_result(b_rr, b_rlay);
end_render_result(b_engine, b_rr, false, true);
}
} //do_write_update_render_img()
void BlenderSession::do_write_update_render_tile(RenderTile& rtile, bool do_update_only)
{
BufferParams& params = rtile.buffers->params;
int x = params.full_x - session->tile_manager.params.full_x;
int y = params.full_y - session->tile_manager.params.full_y;
int w = params.width;
int h = params.height;
/* get render result */
BL::RenderResult b_rr = begin_render_result(b_engine, x, y, w, h, b_rlay_name.c_str(), b_rview_name.c_str());
/* can happen if the intersected rectangle gives 0 width or height */
if(b_rr.ptr.data == NULL) {
return;
}
BL::RenderResult::layers_iterator b_single_rlay;
b_rr.layers.begin(b_single_rlay);
/* layer will be missing if it was disabled in the UI */
if(b_single_rlay == b_rr.layers.end())
return;
BL::RenderLayer b_rlay = *b_single_rlay;
if(do_update_only) {
/* update only needed */
if(rtile.sample != 0) {
/* sample would be zero at initial tile update, which is only needed
* to tag tile form blender side as IN PROGRESS for proper highlight
* no buffers should be sent to blender yet
*/
update_render_result(b_rr, b_rlay, rtile);
}
end_render_result(b_engine, b_rr, true, true);
}
else {
/* write result */
write_render_result(b_rr, b_rlay, rtile);
end_render_result(b_engine, b_rr, false, true);
}
}
void BlenderSession::tag_redraw()
{
if(background) {
/* update stats and progress, only for background here because
in 3d view we do it in draw for thread safety reasons */
update_status_progress();
/* offline render, redraw if timeout passed */
if(time_dt() - last_redraw_time > 1.0f) {
write_render_result();
engine_tag_redraw((RenderEngine*)b_engine.ptr.data);
last_redraw_time = time_dt();
}
}
else {
/* tell blender that we want to redraw */
engine_tag_redraw((RenderEngine*)b_engine.ptr.data);
}
}
void BlenderSession::render()
{
/* get buffer parameters */
SessionParams session_params = BlenderSync::get_session_params(b_userpref, b_scene, background);
BufferParams buffer_params = BlenderSync::get_buffer_params(b_scene, b_rv3d, width, height);
int w = buffer_params.width, h = buffer_params.height;
/* create render result */
RenderResult *rrp = RE_engine_begin_result((RenderEngine*)b_engine.ptr.data, 0, 0, w, h);
PointerRNA rrptr;
RNA_pointer_create(NULL, &RNA_RenderResult, rrp, &rrptr);
b_rr = BL::RenderResult(rrptr);
BL::RenderSettings r = b_scene.render();
BL::RenderResult::layers_iterator b_iter;
BL::RenderLayers b_rr_layers(r.ptr);
/* render each layer */
for(b_rr.layers.begin(b_iter); b_iter != b_rr.layers.end(); ++b_iter) {
/* set layer */
b_rlay = *b_iter;
/* add passes */
vector<Pass> passes;
Pass::add(PASS_COMBINED, passes);
if(session_params.device.advanced_shading) {
BL::RenderLayer::passes_iterator b_pass_iter;
for(b_rlay.passes.begin(b_pass_iter); b_pass_iter != b_rlay.passes.end(); ++b_pass_iter) {
BL::RenderPass b_pass(*b_pass_iter);
PassType pass_type = get_pass_type(b_pass);
if(pass_type != PASS_NONE)
Pass::add(pass_type, passes);
}
}
buffer_params.passes = passes;
scene->film->passes = passes;
scene->film->tag_update(scene);
/* update session */
session->reset(buffer_params, session_params.samples);
/* update scene */
sync->sync_data(b_v3d, b_iter->name().c_str());
/* render */
session->start();
session->wait();
if(session->progress.get_cancel())
break;
/* write result */
write_render_result();
}
/* delete render result */
RE_engine_end_result((RenderEngine*)b_engine.ptr.data, (RenderResult*)b_rr.ptr.data);
}
