Apply audited current-vitasdk compilation compatibility

Publish the recorded dependency compatibility delta and required
prerequisites without adding unrelated behavior changes.

Source-Revision: 4806a1924ff6181180bf5e4b8b79ab4394118875

backends/imgui_impl_metal.mm

@@ -18,7 +18,6 @@
 // (minor and older changes stripped away, please see git history for details)
 //  2025-XX-XX: Metal: Added support for multiple windows via the ImGuiPlatformIO interface.
 //  2025-02-03: Metal: Crash fix. (#8367)
-//  2025-01-08: Metal: Fixed memory leaks when using metal-cpp (#8276, #8166) or when using multiple contexts (#7419).
 //  2022-08-23: Metal: Update deprecated property 'sampleCount'->'rasterSampleCount'.
 //  2022-07-05: Metal: Add dispatch synchronization.
 //  2022-06-30: Metal: Use __bridge for ARC based systems.
@@ -171,11 +170,7 @@ void ImGui_ImplMetal_NewFrame(MTLRenderPassDescriptor* renderPassDescriptor)
 {
     ImGui_ImplMetal_Data* bd = ImGui_ImplMetal_GetBackendData();
     IM_ASSERT(bd != nil && "Context or backend not initialized! Did you call ImGui_ImplMetal_Init()?");
-#ifdef IMGUI_IMPL_METAL_CPP
-    bd->SharedMetalContext.framebufferDescriptor = [[[FramebufferDescriptor alloc] initWithRenderPassDescriptor:renderPassDescriptor]autorelease];
-#else
     bd->SharedMetalContext.framebufferDescriptor = [[FramebufferDescriptor alloc] initWithRenderPassDescriptor:renderPassDescriptor];
-#endif
     if (bd->SharedMetalContext.depthStencilState == nil)
         ImGui_ImplMetal_CreateDeviceObjects(bd->SharedMetalContext.device);
 }
@@ -383,9 +378,6 @@ bool ImGui_ImplMetal_CreateDeviceObjects(id<MTLDevice> device)
     depthStencilDescriptor.depthCompareFunction = MTLCompareFunctionAlways;
     bd->SharedMetalContext.depthStencilState = [device newDepthStencilStateWithDescriptor:depthStencilDescriptor];
     ImGui_ImplMetal_CreateDeviceObjectsForPlatformWindows();
-#ifdef IMGUI_IMPL_METAL_CPP
-    [depthStencilDescriptor release];
-#endif
     ImGui_ImplMetal_CreateFontsTexture(device);
     return true;
 }

backends/imgui_impl_opengl3.cpp

@@ -944,8 +944,10 @@ bool    ImGui_ImplOpenGL3_CreateDeviceObjects()
     glLinkProgram(bd->ShaderHandle);
     CheckProgram(bd->ShaderHandle, "shader program");
 
+#ifndef __vita__
     glDetachShader(bd->ShaderHandle, vert_handle);
     glDetachShader(bd->ShaderHandle, frag_handle);
+#endif
     glDeleteShader(vert_handle);
     glDeleteShader(frag_handle);
 

backends/imgui_impl_sdl2.cpp

@@ -845,9 +845,6 @@ static void ImGui_ImplSDL2_UpdateGamepads()
         bd->WantUpdateGamepadsList = false;
     }
 
-    // FIXME: Technically feeding gamepad shouldn't depend on this now that they are regular inputs.
-    if ((io.ConfigFlags & ImGuiConfigFlags_NavEnableGamepad) == 0)
-        return;
     io.BackendFlags &= ~ImGuiBackendFlags_HasGamepad;
     if (bd->Gamepads.Size == 0)
         return;

docs/CHANGELOG.txt

@@ -355,7 +355,6 @@ Other changes:
   though it is currently not doing anything particular. (#8163, #7998, #7988)
 - Backends: Allegro5: Avoid calling al_set_mouse_cursor() repeatedly since it appears
   to leak on on X11 (#8256). [@Helodity]
-- Backends: Metal: Fixed leaks when using metal-cpp. (#8276, #8166) [@selimsandal]
 - Backends: Metal: Fixed resource leak when using multiple contexts. (#7419) [@anszom]
 - Backends: Vulkan: Fixed setting VkSwapchainCreateInfoKHR::preTransform for
   platforms not supporting VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR. (#8222) [@Zer0xFF]

imconfig.h

@@ -110,7 +110,7 @@
         operator MyVec4() const { return MyVec4(x,y,z,w); }
 */
 //---- ...Or use Dear ImGui's own very basic math operators.
-//#define IMGUI_DEFINE_MATH_OPERATORS
+#define IMGUI_DEFINE_MATH_OPERATORS
 
 //---- Use 32-bit vertex indices (default is 16-bit) is one way to allow large meshes with more than 64K vertices.
 // Your renderer backend will need to support it (most example renderer backends support both 16/32-bit indices).
@@ -139,3 +139,6 @@ namespace ImGui
     void MyFunction(const char* name, MyMatrix44* mtx);
 }
 */
+
+// handle https://github.com/ocornut/imgui/issues/1641 the old way
+#define ImTextureID void*

imgui.cpp

@@ -20814,6 +20814,12 @@ static bool Platform_OpenInShellFn_DefaultImpl(ImGuiContext*, const char* path)
     ::MultiByteToWideChar(CP_UTF8, 0, path, -1, path_wbuf.Data, path_wsize);
     return (INT_PTR)::ShellExecuteW(NULL, L"open", path_wbuf.Data, NULL, NULL, SW_SHOWDEFAULT) > 32;
 }
+#elif defined(__vita__)
+#include <psp2/appmgr.h>
+static bool Platform_OpenInShellFn_DefaultImpl(ImGuiContext*, const char* path)
+{
+    return sceAppMgrLaunchAppByUri(0, path) >= 0;
+}
 #else
 #include <sys/wait.h>
 #include <unistd.h>