Backends: fixed Clang -Wold-style-cast warnings.

Amend 8e17468

# Conflicts:
#	backends/imgui_impl_dx10.cpp
#	backends/imgui_impl_dx11.cpp
#	backends/imgui_impl_opengl3.cpp

backends/imgui_impl_dx10.cpp

@@ -103,6 +103,11 @@ static ImGui_ImplDX10_Data* ImGui_ImplDX10_GetBackendData()
     return ImGui::GetCurrentContext() ? (ImGui_ImplDX10_Data*)ImGui::GetIO().BackendRendererUserData : nullptr;
 }
 
+ImGui_ImplDX10_RenderState* ImGui_ImplDX10_GetRenderState()
+{
+    return (ImGui_ImplDX10_RenderState*)ImGui::GetPlatformIO().Renderer_RenderState;
+}
+
 // Forward Declarations
 static void ImGui_ImplDX10_InitMultiViewportSupport();
 static void ImGui_ImplDX10_ShutdownMultiViewportSupport();

backends/imgui_impl_dx10.h

@@ -47,7 +47,6 @@ struct ImGui_ImplDX10_RenderState
     //ID3D10SamplerState*   SamplerLinear;          // Use ImDrawList::AddCallback(ImGui::GetPlatform().DrawCallback_SetSamplerLinear)
     //ID3D10SamplerState*   SamplerNearest;         // Use ImDrawList::AddCallback(ImGui::GetPlatform().DrawCallback_SetSamplerNearest)
 };
-
+IMGUI_IMPL_API ImGui_ImplDX10_RenderState* ImGui_ImplDX10_GetRenderState();
-static inline ImGui_ImplDX10_RenderState* ImGui_ImplDX10_GetRenderState() { return (ImGui_ImplDX10_RenderState*)ImGui::GetPlatformIO().Renderer_RenderState; }
 
 #endif // #ifndef IMGUI_DISABLE

backends/imgui_impl_dx11.cpp

@@ -107,6 +107,11 @@ static ImGui_ImplDX11_Data* ImGui_ImplDX11_GetBackendData()
     return ImGui::GetCurrentContext() ? (ImGui_ImplDX11_Data*)ImGui::GetIO().BackendRendererUserData : nullptr;
 }
 
+ImGui_ImplDX11_RenderState* ImGui_ImplDX11_GetRenderState()
+{
+    return (ImGui_ImplDX11_RenderState*)ImGui::GetPlatformIO().Renderer_RenderState;
+}
+
 // Forward Declarations
 static void ImGui_ImplDX11_InitMultiViewportSupport();
 static void ImGui_ImplDX11_ShutdownMultiViewportSupport();

backends/imgui_impl_dx11.h

@@ -49,7 +49,6 @@ struct ImGui_ImplDX11_RenderState
     //ID3D11SamplerState*   SamplerLinear;          // Use ImDrawList::AddCallback(ImGui::GetPlatform().DrawCallback_SetSamplerLinear)
     //ID3D11SamplerState*   SamplerNearest;         // Use ImDrawList::AddCallback(ImGui::GetPlatform().DrawCallback_SetSamplerNearest)
 };
-
+IMGUI_IMPL_API ImGui_ImplDX11_RenderState* ImGui_ImplDX11_GetRenderState();
-static inline ImGui_ImplDX11_RenderState* ImGui_ImplDX11_GetRenderState() { return (ImGui_ImplDX11_RenderState*)ImGui::GetPlatformIO().Renderer_RenderState; }
 
 #endif // #ifndef IMGUI_DISABLE

backends/imgui_impl_dx12.cpp

@@ -134,6 +134,11 @@ static ImGui_ImplDX12_Data* ImGui_ImplDX12_GetBackendData()
     return ImGui::GetCurrentContext() ? (ImGui_ImplDX12_Data*)ImGui::GetIO().BackendRendererUserData : nullptr;
 }
 
+ImGui_ImplDX12_RenderState* ImGui_ImplDX12_GetRenderState()
+{
+    return (ImGui_ImplDX12_RenderState*)ImGui::GetPlatformIO().Renderer_RenderState;
+}
+
 // Buffers used during the rendering of a frame
 struct ImGui_ImplDX12_RenderBuffers
 {

backends/imgui_impl_dx12.h

@@ -75,8 +75,7 @@ struct ImGui_ImplDX12_RenderState
     ID3D12Device*               Device;
     ID3D12GraphicsCommandList*  CommandList;
 };
-
+IMGUI_IMPL_API ImGui_ImplDX12_RenderState* ImGui_ImplDX12_GetRenderState();
-static inline ImGui_ImplDX12_RenderState* ImGui_ImplDX12_GetRenderState() { return (ImGui_ImplDX12_RenderState*)ImGui::GetPlatformIO().Renderer_RenderState; }
 
 #ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS
 // Legacy initialization API Obsoleted in 1.91.5

backends/imgui_impl_opengl3.cpp

@@ -278,6 +278,11 @@ static ImGui_ImplOpenGL3_Data* ImGui_ImplOpenGL3_GetBackendData()
     return ImGui::GetCurrentContext() ? (ImGui_ImplOpenGL3_Data*)ImGui::GetIO().BackendRendererUserData : nullptr;
 }
 
+ImGui_ImplOpenGL3_RenderState* ImGui_ImplOpenGL3_GetRenderState()
+{
+    return (ImGui_ImplOpenGL3_RenderState*)ImGui::GetPlatformIO().Renderer_RenderState;
+}
+
 // Forward Declarations
 static void ImGui_ImplOpenGL3_InitMultiViewportSupport();
 static void ImGui_ImplOpenGL3_ShutdownMultiViewportSupport();

backends/imgui_impl_opengl3.h

@@ -77,7 +77,6 @@ struct ImGui_ImplOpenGL3_RenderState
     unsigned int    CurrentSampler;                 // (GLuint) Used if UseBindSampler == true (and are available), otherwise always 0
     unsigned int    CurrentTexParameterFilter;      // (GLuint) Used if UseTexParameterFilter == true
 };
-
+IMGUI_IMPL_API ImGui_ImplOpenGL3_RenderState* ImGui_ImplOpenGL3_GetRenderState();
-static inline ImGui_ImplOpenGL3_RenderState* ImGui_ImplOpenGL3_GetRenderState() { return (ImGui_ImplOpenGL3_RenderState*)ImGui::GetPlatformIO().Renderer_RenderState; }
 
 #endif // #ifndef IMGUI_DISABLE

backends/imgui_impl_sdlgpu3.cpp

@@ -96,6 +96,11 @@ static ImGui_ImplSDLGPU3_Data* ImGui_ImplSDLGPU3_GetBackendData()
     return ImGui::GetCurrentContext() ? (ImGui_ImplSDLGPU3_Data*)ImGui::GetIO().BackendRendererUserData : nullptr;
 }
 
+ImGui_ImplSDLGPU3_RenderState* ImGui_ImplSDLGPU3_GetRenderState()
+{
+    return (ImGui_ImplSDLGPU3_RenderState*)ImGui::GetPlatformIO().Renderer_RenderState;
+}
+
 static void ImGui_ImplSDLGPU3_SetupRenderState(ImDrawData* draw_data, SDL_GPUGraphicsPipeline* pipeline, SDL_GPUCommandBuffer* command_buffer, SDL_GPURenderPass* render_pass, ImGui_ImplSDLGPU3_FrameData* fd, uint32_t fb_width, uint32_t fb_height)
 {
     ImGui_ImplSDLGPU3_Data* bd = ImGui_ImplSDLGPU3_GetBackendData();

backends/imgui_impl_sdlgpu3.h

@@ -60,7 +60,6 @@ struct ImGui_ImplSDLGPU3_RenderState
 {
     SDL_GPUDevice*      Device;
 };
-
+IMGUI_IMPL_API ImGui_ImplSDLGPU3_RenderState* ImGui_ImplSDLGPU3_GetRenderState();
-static inline ImGui_ImplSDLGPU3_RenderState* ImGui_ImplSDLGPU3_GetRenderState() { return (ImGui_ImplSDLGPU3_RenderState*)ImGui::GetPlatformIO().Renderer_RenderState; }
 
 #endif // #ifndef IMGUI_DISABLE

backends/imgui_impl_sdlrenderer2.cpp

@@ -77,6 +77,11 @@ static ImGui_ImplSDLRenderer2_Data* ImGui_ImplSDLRenderer2_GetBackendData()
     return ImGui::GetCurrentContext() ? (ImGui_ImplSDLRenderer2_Data*)ImGui::GetIO().BackendRendererUserData : nullptr;
 }
 
+ImGui_ImplSDLRenderer2_RenderState* ImGui_ImplSDLRenderer2_GetRenderState()
+{
+    return (ImGui_ImplSDLRenderer2_RenderState*)ImGui::GetPlatformIO().Renderer_RenderState;
+}
+
 // Functions
 static void ImGui_ImplSDLRenderer2_SetupRenderState(SDL_Renderer* renderer)
 {

backends/imgui_impl_sdlrenderer2.h

@@ -52,7 +52,6 @@ struct ImGui_ImplSDLRenderer2_RenderState
 {
     SDL_Renderer*       Renderer;
 };
-
+IMGUI_IMPL_API ImGui_ImplSDLRenderer2_RenderState* ImGui_ImplSDLRenderer2_GetRenderState();
-static inline ImGui_ImplSDLRenderer2_RenderState* ImGui_ImplSDLRenderer2_GetRenderState() { return (ImGui_ImplSDLRenderer2_RenderState*)ImGui::GetPlatformIO().Renderer_RenderState; }
 
 #endif // #ifndef IMGUI_DISABLE

backends/imgui_impl_sdlrenderer3.cpp

@@ -83,6 +83,11 @@ static ImGui_ImplSDLRenderer3_Data* ImGui_ImplSDLRenderer3_GetBackendData()
     return ImGui::GetCurrentContext() ? (ImGui_ImplSDLRenderer3_Data*)ImGui::GetIO().BackendRendererUserData : nullptr;
 }
 
+ImGui_ImplSDLRenderer3_RenderState* ImGui_ImplSDLRenderer3_GetRenderState()
+{
+    return (ImGui_ImplSDLRenderer3_RenderState*)ImGui::GetPlatformIO().Renderer_RenderState;
+}
+
 // Functions
 static void ImGui_ImplSDLRenderer3_SetupRenderState(SDL_Renderer* renderer)
 {

backends/imgui_impl_sdlrenderer3.h

@@ -53,7 +53,6 @@ struct ImGui_ImplSDLRenderer3_RenderState
     SDL_Renderer*       Renderer;
     SDL_ScaleMode       CurrentScaleMode;   // Current scale mode during render. Set to SDL_SCALEMODE_INVALID to use "SetSamplerFromTex" mode.
 };
-
+IMGUI_IMPL_API ImGui_ImplSDLRenderer3_RenderState* ImGui_ImplSDLRenderer3_GetRenderState();
-static inline ImGui_ImplSDLRenderer3_RenderState* ImGui_ImplSDLRenderer3_GetRenderState() { return (ImGui_ImplSDLRenderer3_RenderState*)ImGui::GetPlatformIO().Renderer_RenderState; }
 
 #endif // #ifndef IMGUI_DISABLE

backends/imgui_impl_vulkan.cpp

@@ -489,6 +489,11 @@ static ImGui_ImplVulkan_Data* ImGui_ImplVulkan_GetBackendData()
     return ImGui::GetCurrentContext() ? (ImGui_ImplVulkan_Data*)ImGui::GetIO().BackendRendererUserData : nullptr;
 }
 
+ImGui_ImplVulkan_RenderState* ImGui_ImplVulkan_GetRenderState()
+{
+    return (ImGui_ImplVulkan_RenderState*)ImGui::GetPlatformIO().Renderer_RenderState;
+}
+
 #ifdef IMGUI_IMPL_VULKAN_USE_LOADER
 // Get the Vulkan function pointers used by the current backend.
 // If no backend is available, return the currently loaded global function pointers (ImGuiImplVulkanFuncs).

backends/imgui_impl_vulkan.h

@@ -183,8 +183,7 @@ struct ImGui_ImplVulkan_RenderState
     VkPipeline          Pipeline;
     VkPipelineLayout    PipelineLayout;
 };
-
+IMGUI_IMPL_API ImGui_ImplVulkan_RenderState* ImGui_ImplVulkan_GetRenderState();
-static inline ImGui_ImplVulkan_RenderState* ImGui_ImplVulkan_GetRenderState() { return (ImGui_ImplVulkan_RenderState*)ImGui::GetPlatformIO().Renderer_RenderState; }
 
 //-------------------------------------------------------------------------
 // Internal / Miscellaneous Vulkan Helpers

backends/imgui_impl_wgpu.cpp

@@ -131,6 +131,11 @@ static ImGui_ImplWGPU_Data* ImGui_ImplWGPU_GetBackendData()
     return ImGui::GetCurrentContext() ? (ImGui_ImplWGPU_Data*)ImGui::GetIO().BackendRendererUserData : nullptr;
 }
 
+ImGui_ImplWGPU_RenderState* ImGui_ImplWGPU_GetRenderState()
+{
+    return (ImGui_ImplWGPU_RenderState*)ImGui::GetPlatformIO().Renderer_RenderState;
+}
+
 //-----------------------------------------------------------------------------
 // SHADERS
 //-----------------------------------------------------------------------------

backends/imgui_impl_wgpu.h

@@ -83,8 +83,7 @@ struct ImGui_ImplWGPU_RenderState
     WGPUDevice                  Device;
     WGPURenderPassEncoder       RenderPassEncoder;
 };
-
+IMGUI_IMPL_API ImGui_ImplWGPU_RenderState* ImGui_ImplWGPU_GetRenderState();
-static inline ImGui_ImplWGPU_RenderState* ImGui_ImplWGPU_GetRenderState() { return (ImGui_ImplWGPU_RenderState*)ImGui::GetPlatformIO().Renderer_RenderState; }
 
 //-------------------------------------------------------------------------
 // Internal Helpers