fix spacebar bug, fix ios depth buffer error, parallelize raytracing

src/app_events.cpp

@@ -281,7 +281,7 @@ bool App::gesture_end()
 }
 bool App::key_down(kKey key)
 {
-    if (key == kKey::KeySpacebar)
+    if (key == kKey::KeySpacebar && vr_active)
         canvas->m_canvas->m_cam_rot = vr_rot;
     redraw = true;
     keys[(int)key] = true;

src/canvas.cpp

@@ -2208,7 +2208,7 @@ void Canvas::draw_objects(std::function<void(const glm::mat4& camera, const glm:
     GLuint rboID;
     glGenRenderbuffers(1, &rboID);
     glBindRenderbuffer(GL_RENDERBUFFER, rboID);
-    glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT, layer.w, layer.h);
+    glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT24, layer.w, layer.h);
     glBindRenderbuffer(GL_RENDERBUFFER, 0);
 
     glm::mat4 proj = glm::perspective(glm::radians(90.f), 1.f, .01f, 1000.f);

src/node_panel_grid.cpp

@@ -281,7 +281,14 @@ void NodePanelGrid::bake_uvs()
     auto light_dir = glm::normalize(light_pos);
 
     auto data_out = std::make_unique<uint8_t[]>(fb.getWidth() * fb.getHeight() * 4);
+#if _WIN32
+    concurrency::parallel_for(int(0), fb.getHeight(), [&](int y)
+#elif __IOS__ || __OSX__
+    dispatch_queue_t queue = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0);
+    dispatch_apply(count, queue, ^(size_t i)
+#else
     for (int y = 0; y < fb.getHeight(); y++)
+#endif
     {
         for (int x = 0; x < fb.getWidth(); x++)
         {
@@ -321,6 +328,9 @@ void NodePanelGrid::bake_uvs()
             }
         }
     }
+#if _WIN32 || __IOS__ || __OSX__
+    );
+#endif
     //stbi_write_jpg("bake-out.jpg", fb.getWidth(), fb.getHeight(), 4, data_out.get(), 75);
     m_texture.update(data_out.get());
 }

src/pch.h

@@ -66,6 +66,7 @@
     #include <shlobj.h>
     #include <shlwapi.h>
     #include <openvr.h>
+    #include <ppl.h>
 
     #define SHADER_VERSION "#version 150\n"
     #define PP_OS "win"