Feature/thesis work merge (#566)

Web GUI from Klas Eskilson (three new modules: webgui, webbrowser and cefwebgui) Parallel connection refactorization Wormhole server added to the main repository Transfer function editor work from Cristoffer Särevall Update ghoul
2026-05-05 10:59:47 -05:00 · 2018-03-20 09:30:59 +01:00
parent 35fe90cbfa
commit d64a0df5f6
340 changed files with 26401 additions and 1625 deletions
@@ -0,0 +1,95 @@
+/*****************************************************************************************
+ *                                                                                       *
+ * OpenSpace                                                                             *
+ *                                                                                       *
+ * Copyright (c) 2014-2017                                                               *
+ *                                                                                       *
+ * 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 <glm/gtc/matrix_transform.hpp>
+#include <ghoul/filesystem/filesystem.h>
+#include "modules/cefwebgui/include/guirenderhandler.h"
+
+namespace {
+    std::string _loggerCat = "WebGUI:RenderHandler";
+}
+
+namespace openspace {
+
+GUIRenderHandler::GUIRenderHandler() {
+    OsEng.registerModuleCallback(
+            OpenSpaceEngine::CallbackOption::InitializeGL,
+            [this](){
+                LDEBUG("Initializing WebGUI RenderHandler OpenGL");
+                initializeGL();
+            }
+    );
+}
+
+void GUIRenderHandler::initializeGL() {
+    LDEBUG("Initializing CEF GL environment...");
+    _programObject = ghoul::opengl::ProgramObject::Build(
+            "WebGUICEFProgram",
+            absPath("${MODULE_CEFWEBGUI}/shaders/gui_vs.glsl"),
+            absPath("${MODULE_CEFWEBGUI}/shaders/gui_fs.glsl")
+    );
+    float data[] = {-1.0f, -1.0f, -1.0f,
+                     1.0f,  1.0f, -1.0f,
+                     1.0f, -1.0f, -1.0f,
+                     1.0f,  1.0f,  1.0f};
+    glGenVertexArrays(1, &_vao);
+    glBindVertexArray(_vao);
+    glGenBuffers(1, &_vbo);
+    glGenTextures(1, &_texture);
+    glBindBuffer(GL_ARRAY_BUFFER, _vbo);
+    glBufferData(GL_ARRAY_BUFFER, sizeof(data), data, GL_STATIC_DRAW);
+    glEnableVertexAttribArray(0);
+    glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 2 * sizeof(GLfloat), 0);
+    glBindVertexArray(0);
+    LDEBUG("Initializing CEF GL environment... done!");
+}
+
+void GUIRenderHandler::draw(void) {
+    if (_programObject->isDirty()) {
+        _programObject->rebuildFromFile();
+    }
+
+    glEnable(GL_BLEND);
+    glBlendEquation(GL_FUNC_ADD);
+    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+    glDisable(GL_DEPTH_TEST);
+    glDisable(GL_CULL_FACE);
+
+    _programObject->activate();
+
+    ghoul::opengl::TextureUnit unit;
+    unit.activate();
+    glBindTexture(GL_TEXTURE_2D, _texture);
+    _programObject->setUniform("tex", unit);
+
+    glBindVertexArray(_vao);
+    glDrawArrays(GL_TRIANGLES, 0, 6);
+    glBindVertexArray(0);
+
+    _programObject->deactivate();
+
+    glEnable(GL_CULL_FACE);
+}
+
+} // namespace openspace