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+/*************************************************************************/
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+/* live_view.cpp */
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+/*************************************************************************/
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+/* This file is part of: */
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+/* GODOT ENGINE */
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+/* https://godotengine.org */
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+/*************************************************************************/
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+/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */
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+/* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md) */
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+/* */
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+/* Permission is hereby granted, free of charge, to any person obtaining */
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+/* a copy of this software and associated documentation files (the */
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+/* "Software"), to deal in the Software without restriction, including */
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+/* without limitation the rights to use, copy, modify, merge, publish, */
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+/* distribute, sublicense, and/or sell copies of the Software, and to */
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+/* permit persons to whom the Software is furnished to do so, subject to */
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+/* the following conditions: */
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+/* */
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+/* The above copyright notice and this permission notice shall be */
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+/* included in all copies or substantial portions of the Software. */
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+/* */
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+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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+/*************************************************************************/
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+
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+#include "editor/live_view.h"
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+#include "core/os/shared_mem_access.h"
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+#include "editor/script_editor_debugger.h"
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+#include "scene/main/scene_tree.h"
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+#include "scene/main/viewport.h"
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+
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+void LiveViewDock::_notification(int p_what) {
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+
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+ switch (p_what) {
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+ case NOTIFICATION_PROCESS: {
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+
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+ if (!is_visible_in_tree()) {
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+ waiting = false;
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+ break;
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+ }
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+ if (waiting) {
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+ break;
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+ }
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+
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+ ScriptEditorDebugger *sed = ScriptEditor::get_singleton()->get_debugger();
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+ if (sed) {
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+ Array msg;
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+ msg.push_back("request_framebuffer");
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+ if (sed->send_message(msg)) {
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+ waiting = true;
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+ }
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+ }
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+ } break;
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+ case NOTIFICATION_VISIBILITY_CHANGED: {
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+
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+ if (!is_visible_in_tree()) {
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+ waiting = false;
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+ }
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+ } break;
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+ }
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+}
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+
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+void LiveViewDock::start() {
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+
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+ fb_data->open
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+
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+ set_process(true);
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+ waiting = false;
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+}
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+
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+void LiveViewDock::stop() {
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+
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+ fb_data->close();
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+
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+ set_process(false);
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+ waiting = false;
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+}
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+
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+void LiveViewDock::update() {
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+
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+ if (!waiting) {
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+ return;
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+ }
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+
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+ if (!fb_data->is_open()) {
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+ if (fb_data->open() != OK) {
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+ return;
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+ }
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+ }
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+
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+ const uint32_t *data = (uint32_t *)fb_data->lock();
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+ if (data) {
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+
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+ int width = data[0];
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+ int height = data[1];
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+ Image::Format format = (Image::Format)data[2];
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+
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+ int data_size = data[3];
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+ PoolByteArray pixel_data;
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+ pixel_data.resize(data_size);
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+ {
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+ PoolByteArray::Write w = pixel_data.write();
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+ memcpy(w.ptr(), &data[4], data_size);
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+ }
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+
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+ Ref<Image> img = memnew(Image);
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+ img->create(width, height, false, format, pixel_data);
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+
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+ Ref<ImageTexture> tex = get_texture();
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+ // Create if no texture or recreate if size or format changed
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+ if (!tex.is_valid() ||
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+ tex->get_width() != width ||
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+ tex->get_height() != height ||
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+ tex->get_data()->get_format() != format) {
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+
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+ tex = Ref<ImageTexture>(memnew(ImageTexture));
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+ tex->create(width, height, format, Texture::FLAG_FILTER);
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+ set_texture(tex);
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+ }
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+
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+ tex->set_data(img);
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+
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+ fb_data->unlock();
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+ }
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+
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+ waiting = false;
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+}
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+
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+LiveViewDock::LiveViewDock() :
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+ waiting(false),
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+ fb_data(SharedMemAccess::create("godot_live_view")) {
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+
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+ fb_data->open(1);
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+ fb_data->close();
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+
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+ set_expand(true);
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+ set_stretch_mode(STRETCH_KEEP_ASPECT_CENTERED);
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+
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+ set_name("LiveView");
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+}
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+
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+LiveViewDock::~LiveViewDock() {
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+
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+ memdelete(fb_data);
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+}
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+
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+void LiveViewDebugHelper::_debugger_request_framebuffer(void *user_data) {
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+
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+ Ref<ViewportTexture> vp_texture = SceneTree::get_singleton()->get_root()->get_texture();
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+ Ref<Image> framebuffer = vp_texture->get_data();
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+
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+ SharedMemAccess *fb_data = SharedMemAccess::create("godot_live_view");
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+ fb_data->
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+
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+ uint32_t data_size = framebuffer->get_data().size();
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+
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+ Array result;
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+ result.append(framebuffer->get_width());
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+ result.append(framebuffer->get_height());
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+ result.append(framebuffer->get_format());
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+ result.append(framebuffer->get_data().size());
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+ result.append(framebuffer->get_data());
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+
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+ ScriptDebugger::get_singleton()->send_message("framebuffer", result);
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+}
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Pedro J. Estébanez