Merge branch 'master' into docking

# Conflicts:
#	imgui.cpp
#	imgui_demo.cpp

examples/.gitignore

@@ -25,6 +25,7 @@ project.xcworkspace
 xcuserdata
 
 ## Emscripten output
+*.o.tmp
 *.out.js
 *.out.wasm
 example_emscripten/example_emscripten.*

examples/example_emscripten/Makefile

@@ -24,10 +24,12 @@ UNAME_S := $(shell uname -s)
 EMS = -s USE_SDL=2 -s WASM=1
 EMS += -s ALLOW_MEMORY_GROWTH=1 -s BINARYEN_TRAP_MODE=clamp
 EMS += -s DISABLE_EXCEPTION_CATCHING=1 -s NO_EXIT_RUNTIME=0
-EMS += -s ASSERTIONS=1 -s SAFE_HEAP=1
+EMS += -s ASSERTIONS=1 -s NO_FILESYSTEM=1
+#EMS += -s SAFE_HEAP=1    ## Adds overhead
 
 CPPFLAGS = -I../ -I../../
-CPPFLAGS += -g -Wall -Wformat -O3
+#CPPFLAGS += -g
+CPPFLAGS += -Wall -Wformat -Os
 CPPFLAGS += $(EMS)
 LIBS = $(EMS)
 LDFLAGS = --shell-file shell_minimal.html

examples/example_emscripten/main.cpp

@@ -14,7 +14,7 @@
 #include <SDL.h>
 #include <SDL_opengles2.h>
 
-// Emscripten requires to have full control over the main loop. We're going to store our SDL book-keeping variables globally. 
+// Emscripten requires to have full control over the main loop. We're going to store our SDL book-keeping variables globally.
 // Having a single function that acts as a loop prevents us to store state in the stack of said function. So we need some location for this.
 SDL_Window*     g_Window = NULL;
 SDL_GLContext   g_GLContext = NULL;
@@ -63,6 +63,10 @@ int main(int, char**)
     ImGuiIO& io = ImGui::GetIO(); (void)io;
     //io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard;  // Enable Keyboard Controls
 
+    // For an Emscripten build we are disabling file-system access, so let's not attempt to do a fopen() of the imgui.ini file.
+    // You may manually call LoadIniSettingsFromMemory() to load settings from your own storage.
+    io.IniFilename = NULL;
+
     // Setup Dear ImGui style
     ImGui::StyleColorsDark();
     //ImGui::StyleColorsClassic();
@@ -90,7 +94,7 @@ int main(int, char**)
     emscripten_set_main_loop_arg(main_loop, NULL, 0, true);
 }
 
-void main_loop(void* arg) 
+void main_loop(void* arg)
 {
     ImGuiIO& io = ImGui::GetIO();
     IM_UNUSED(arg); // We can pass this argument as the second parameter of emscripten_set_main_loop_arg(), but we don't use that.

examples/imgui_impl_allegro5.cpp

@@ -64,6 +64,10 @@ struct ImDrawVertAllegro
 // (this used to be set in io.RenderDrawListsFn and called by ImGui::Render(), but you can now call this directly from your main loop)
 void ImGui_ImplAllegro5_RenderDrawData(ImDrawData* draw_data)
 {
+    // Avoid rendering when minimized
+    if (draw_data->DisplaySize.x <= 0.0f || draw_data->DisplaySize.y <= 0.0f)
+        return;
+
     // Backup Allegro state that will be modified
     ALLEGRO_TRANSFORM last_transform = *al_get_current_transform();
     ALLEGRO_TRANSFORM last_projection_transform = *al_get_current_projection_transform();

examples/imgui_impl_dx10.cpp

@@ -65,6 +65,10 @@ static void ImGui_ImplDX10_ShutdownPlatformInterface();
 // (this used to be set in io.RenderDrawListsFn and called by ImGui::Render(), but you can now call this directly from your main loop)
 void ImGui_ImplDX10_RenderDrawData(ImDrawData* draw_data)
 {
+    // Avoid rendering when minimized
+    if (draw_data->DisplaySize.x <= 0.0f || draw_data->DisplaySize.y <= 0.0f)
+        return;
+
     ID3D10Device* ctx = g_pd3dDevice;
 
     // Create and grow vertex/index buffers if needed

examples/imgui_impl_dx11.cpp

@@ -65,6 +65,10 @@ static void ImGui_ImplDX11_ShutdownPlatformInterface();
 // (this used to be set in io.RenderDrawListsFn and called by ImGui::Render(), but you can now call this directly from your main loop)
 void ImGui_ImplDX11_RenderDrawData(ImDrawData* draw_data)
 {
+    // Avoid rendering when minimized
+    if (draw_data->DisplaySize.x <= 0.0f || draw_data->DisplaySize.y <= 0.0f)
+        return;
+
     ID3D11DeviceContext* ctx = g_pd3dDeviceContext;
 
     // Create and grow vertex/index buffers if needed

examples/imgui_impl_dx12.cpp

@@ -66,6 +66,10 @@ static void ImGui_ImplDX12_ShutdownPlatformInterface();
 // (this used to be set in io.RenderDrawListsFn and called by ImGui::Render(), but you can now call this directly from your main loop)
 void ImGui_ImplDX12_RenderDrawData(ImDrawData* draw_data, ID3D12GraphicsCommandList* ctx)
 {
+    // Avoid rendering when minimized
+    if (draw_data->DisplaySize.x <= 0.0f || draw_data->DisplaySize.y <= 0.0f)
+        return;
+
     // FIXME: I'm assuming that this only gets called once per frame!
     // If not, we can't just re-allocate the IB or VB, we'll have to do a proper allocator.
     g_frameIndex = g_frameIndex + 1;

examples/imgui_impl_marmalade.cpp

@@ -40,6 +40,10 @@ static ImVec2       g_RenderScale = ImVec2(1.0f,1.0f);
 // (this used to be set in io.RenderDrawListsFn and called by ImGui::Render(), but you can now call this directly from your main loop)
 void ImGui_Marmalade_RenderDrawData(ImDrawData* draw_data)
 {
+    // Avoid rendering when minimized
+    if (draw_data->DisplaySize.x <= 0.0f || draw_data->DisplaySize.y <= 0.0f)
+        return;
+
     // Render command lists
     for (int n = 0; n < draw_data->CmdListsCount; n++)
     {