initial commit, 4.5 stable

scene/resources/external_texture.cpp

@@ -0,0 +1,110 @@
+/**************************************************************************/
+/*  external_texture.cpp                                                  */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#include "external_texture.h"
+
+void ExternalTexture::_bind_methods() {
+	ClassDB::bind_method(D_METHOD("set_size", "size"), &ExternalTexture::set_size);
+	ClassDB::bind_method(D_METHOD("get_external_texture_id"), &ExternalTexture::get_external_texture_id);
+	ClassDB::bind_method(D_METHOD("set_external_buffer_id", "external_buffer_id"), &ExternalTexture::set_external_buffer_id);
+
+	ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "size"), "set_size", "get_size");
+}
+
+uint64_t ExternalTexture::get_external_texture_id() const {
+	_ensure_created();
+	return RenderingServer::get_singleton()->texture_get_native_handle(texture);
+}
+
+void ExternalTexture::set_size(const Size2 &p_size) {
+	if (p_size.width > 0 && p_size.height > 0 && p_size != size) {
+		size = p_size;
+		_ensure_created();
+		RenderingServer::get_singleton()->texture_external_update(texture, size.width, size.height, external_buffer);
+		emit_changed();
+	}
+}
+
+Size2 ExternalTexture::get_size() const {
+	return size;
+}
+
+void ExternalTexture::set_external_buffer_id(uint64_t p_external_buffer) {
+	if (p_external_buffer != external_buffer) {
+		external_buffer = p_external_buffer;
+		_ensure_created();
+		RenderingServer::get_singleton()->texture_external_update(texture, size.width, size.height, external_buffer);
+	}
+}
+
+int ExternalTexture::get_width() const {
+	return size.width;
+}
+
+int ExternalTexture::get_height() const {
+	return size.height;
+}
+
+bool ExternalTexture::has_alpha() const {
+	return false;
+}
+
+RID ExternalTexture::get_rid() const {
+	if (!texture.is_valid()) {
+		texture = RenderingServer::get_singleton()->texture_2d_placeholder_create();
+		using_placeholder = true;
+	}
+	return texture;
+}
+
+void ExternalTexture::_ensure_created() const {
+	if (texture.is_valid() && !using_placeholder) {
+		return;
+	}
+
+	RID new_texture = RenderingServer::get_singleton()->texture_external_create(size.width, size.height);
+	if (using_placeholder) {
+		DEV_ASSERT(texture.is_valid());
+		RenderingServer::get_singleton()->texture_replace(texture, new_texture);
+		using_placeholder = false;
+	} else {
+		texture = new_texture;
+	}
+}
+
+ExternalTexture::ExternalTexture() {
+}
+
+ExternalTexture::~ExternalTexture() {
+	if (texture.is_valid()) {
+		ERR_FAIL_NULL(RenderingServer::get_singleton());
+		RenderingServer::get_singleton()->free(texture);
+	}
+}