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Backends: SDL+GLFW, Examples: SDL+Metal, GLFW+Metal: Fix viewport support with Metal backend.

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Fixes #5392 + alignment fixes and removed static_cast<> + Amended with fix.
This commit is contained in:
rokups
2022-06-16 11:15:26 +03:00
committed by ocornut
parent e135cdbc24
commit 101aec95d9
7 changed files with 81 additions and 26 deletions
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12
backends/imgui_impl_glfw.cpp
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@@ -71,11 +71,17 @@
// GLFW
#include <GLFW/glfw3.h>
#ifdef _WIN32
#undef APIENTRY
#define GLFW_EXPOSE_NATIVE_WIN32
#include <GLFW/glfw3native.h> // for glfwGetWin32Window
#include <GLFW/glfw3native.h> // for glfwGetWin32Window()
#endif
#ifdef __APPLE__
#define GLFW_EXPOSE_NATIVE_COCOA
#include <GLFW/glfw3native.h> // for glfwGetCocoaWindow()
#endif
#define GLFW_HAS_WINDOW_TOPMOST (GLFW_VERSION_MAJOR * 1000 + GLFW_VERSION_MINOR * 100 >= 3200) // 3.2+ GLFW_FLOATING
#define GLFW_HAS_WINDOW_HOVERED (GLFW_VERSION_MAJOR * 1000 + GLFW_VERSION_MINOR * 100 >= 3300) // 3.3+ GLFW_HOVERED
#define GLFW_HAS_WINDOW_ALPHA (GLFW_VERSION_MAJOR * 1000 + GLFW_VERSION_MINOR * 100 >= 3300) // 3.3+ glfwSetWindowOpacity
@@ -538,6 +544,8 @@ static bool ImGui_ImplGlfw_Init(GLFWwindow* window, bool install_callbacks, Glfw
main_viewport->PlatformHandle = (void*)bd->Window;
#ifdef _WIN32
main_viewport->PlatformHandleRaw = glfwGetWin32Window(bd->Window);
#elif defined(__APPLE__)
main_viewport->PlatformHandleRaw = (void*)glfwGetCocoaWindow(bd->Window);
#endif
if (io.ConfigFlags & ImGuiConfigFlags_ViewportsEnable)
ImGui_ImplGlfw_InitPlatformInterface();
@@ -877,6 +885,8 @@ static void ImGui_ImplGlfw_CreateWindow(ImGuiViewport* viewport)
viewport->PlatformHandle = (void*)vd->Window;
#ifdef _WIN32
viewport->PlatformHandleRaw = glfwGetWin32Window(vd->Window);
#elif defined(__APPLE__)
viewport->PlatformHandleRaw = (void*)glfwGetCocoaWindow(vd->Window);
#endif
glfwSetWindowPos(vd->Window, (int)viewport->Pos.x, (int)viewport->Pos.y);

14
backends/imgui_impl_metal.mm
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@@ -75,16 +75,16 @@ static void ImGui_ImplMetal_InvalidateDeviceObjectsForPlatformWindows();
struct ImGui_ImplMetal_Data
{
MetalContext* SharedMetalContext;
MetalContext* SharedMetalContext;
ImGui_ImplMetal_Data() { memset(this, 0, sizeof(*this)); }
ImGui_ImplMetal_Data() { memset(this, 0, sizeof(*this)); }
};
static ImGui_ImplMetal_Data* ImGui_ImplMetal_CreateBackendData() { return IM_NEW(ImGui_ImplMetal_Data)(); }
static ImGui_ImplMetal_Data* ImGui_ImplMetal_GetBackendData() { return ImGui::GetCurrentContext() ? (ImGui_ImplMetal_Data*)ImGui::GetIO().BackendRendererUserData : NULL; }
static void ImGui_ImplMetal_DestroyBackendData() { IM_DELETE(ImGui_ImplMetal_GetBackendData()); }
static ImGui_ImplMetal_Data* ImGui_ImplMetal_CreateBackendData() { return IM_NEW(ImGui_ImplMetal_Data)(); }
static ImGui_ImplMetal_Data* ImGui_ImplMetal_GetBackendData() { return ImGui::GetCurrentContext() ? (ImGui_ImplMetal_Data*)ImGui::GetIO().BackendRendererUserData : NULL; }
static void ImGui_ImplMetal_DestroyBackendData(){ IM_DELETE(ImGui_ImplMetal_GetBackendData()); }
static inline CFTimeInterval GetMachAbsoluteTimeInSeconds() { return static_cast<CFTimeInterval>(static_cast<double>(clock_gettime_nsec_np(CLOCK_UPTIME_RAW)) / 1e9); }
static inline CFTimeInterval GetMachAbsoluteTimeInSeconds() { return (CFTimeInterval)(double)(clock_gettime_nsec_np(CLOCK_UPTIME_RAW) / 1e9); }
#ifdef IMGUI_IMPL_METAL_CPP
@@ -462,7 +462,7 @@ static void ImGui_ImplMetal_RenderWindow(ImGuiViewport* viewport, void*)
}
data->FirstFrame = false;
viewport->DpiScale = static_cast<float>(window.backingScaleFactor);
viewport->DpiScale = (float)window.backingScaleFactor;
if (data->MetalLayer.contentsScale != viewport->DpiScale)
{
data->MetalLayer.contentsScale = viewport->DpiScale;

26
backends/imgui_impl_osx.mm
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@@ -63,23 +63,23 @@
// Data
struct ImGui_ImplOSX_Data
{
CFTimeInterval Time;
NSCursor* MouseCursors[ImGuiMouseCursor_COUNT];
bool MouseCursorHidden;
ImGuiObserver* Observer;
KeyEventResponder* KeyEventResponder;
NSTextInputContext* InputContext;
id Monitor;
NSWindow* Window;
CFTimeInterval Time;
NSCursor* MouseCursors[ImGuiMouseCursor_COUNT];
bool MouseCursorHidden;
ImGuiObserver* Observer;
KeyEventResponder* KeyEventResponder;
NSTextInputContext* InputContext;
id Monitor;
NSWindow* Window;
ImGui_ImplOSX_Data() { memset(this, 0, sizeof(*this)); }
ImGui_ImplOSX_Data() { memset(this, 0, sizeof(*this)); }
};
static ImGui_ImplOSX_Data* ImGui_ImplOSX_CreateBackendData() { return IM_NEW(ImGui_ImplOSX_Data)(); }
static ImGui_ImplOSX_Data* ImGui_ImplOSX_GetBackendData() { return (ImGui_ImplOSX_Data*)ImGui::GetIO().BackendPlatformUserData; }
static void ImGui_ImplOSX_DestroyBackendData() { IM_DELETE(ImGui_ImplOSX_GetBackendData()); }
static ImGui_ImplOSX_Data* ImGui_ImplOSX_CreateBackendData() { return IM_NEW(ImGui_ImplOSX_Data)(); }
static ImGui_ImplOSX_Data* ImGui_ImplOSX_GetBackendData() { return (ImGui_ImplOSX_Data*)ImGui::GetIO().BackendPlatformUserData; }
static void ImGui_ImplOSX_DestroyBackendData() { IM_DELETE(ImGui_ImplOSX_GetBackendData()); }
static inline CFTimeInterval GetMachAbsoluteTimeInSeconds() { return static_cast<CFTimeInterval>(static_cast<double>(clock_gettime_nsec_np(CLOCK_UPTIME_RAW)) / 1e9); }
static inline CFTimeInterval GetMachAbsoluteTimeInSeconds() { return (CFTimeInterval)(double)(clock_gettime_nsec_np(CLOCK_UPTIME_RAW) / 1e9); }
// Forward Declarations
static void ImGui_ImplOSX_InitPlatformInterface();

14
backends/imgui_impl_sdl.cpp
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@@ -408,12 +408,16 @@ static bool ImGui_ImplSDL2_Init(SDL_Window* window, SDL_Renderer* renderer, void
// Our mouse update function expect PlatformHandle to be filled for the main viewport
ImGuiViewport* main_viewport = ImGui::GetMainViewport();
main_viewport->PlatformHandle = (void*)window;
#ifdef _WIN32
SDL_SysWMinfo info;
SDL_VERSION(&info.version);
if (SDL_GetWindowWMInfo(window, &info))
{
#ifdef _WIN32
main_viewport->PlatformHandleRaw = (void*)info.info.win.window;
#elif defined(__APPLE__)
main_viewport->PlatformHandleRaw = (void*)info.info.cocoa.window;
#endif
}
// Set SDL hint to receive mouse click events on window focus, otherwise SDL doesn't emit the event.
// Without this, when clicking to gain focus, our widgets wouldn't activate even though they showed as hovered.
@@ -639,6 +643,8 @@ static void ImGui_ImplSDL2_UpdateMonitors()
monitor.WorkSize = ImVec2((float)r.w, (float)r.h);
#endif
#if SDL_HAS_PER_MONITOR_DPI
// FIXME-VIEWPORT: On MacOS SDL reports actual monitor DPI scale, ignoring OS configuration. We may want to set
// DpiScale to cocoa_window.backingScaleFactor here.
float dpi = 0.0f;
if (!SDL_GetDisplayDPI(n, &dpi, NULL, NULL))
monitor.DpiScale = dpi / 96.0f;
@@ -748,12 +754,16 @@ static void ImGui_ImplSDL2_CreateWindow(ImGuiViewport* viewport)
SDL_GL_MakeCurrent(vd->Window, backup_context);
viewport->PlatformHandle = (void*)vd->Window;
#if defined(_WIN32)
SDL_SysWMinfo info;
SDL_VERSION(&info.version);
if (SDL_GetWindowWMInfo(vd->Window, &info))
{
#if defined(_WIN32)
viewport->PlatformHandleRaw = info.info.win.window;
#elif defined(__APPLE__)
viewport->PlatformHandleRaw = (void*)info.info.cocoa.window;
#endif
}
}
static void ImGui_ImplSDL2_DestroyWindow(ImGuiViewport* viewport)