Merge branch 'master' into docking

# Conflicts:
#	backends/imgui_impl_dx10.cpp
#	backends/imgui_impl_dx10.h
#	backends/imgui_impl_dx11.cpp
#	backends/imgui_impl_dx11.h
#	backends/imgui_impl_dx12.cpp
#	backends/imgui_impl_dx12.h
#	backends/imgui_impl_opengl2.cpp
#	backends/imgui_impl_opengl3.cpp
#	backends/imgui_impl_opengl3.h
#	backends/imgui_impl_sdlgpu3.cpp
#	backends/imgui_impl_sdlgpu3.h
#	backends/imgui_impl_sdlrenderer3.cpp
#	backends/imgui_impl_sdlrenderer3.h
#	backends/imgui_impl_vulkan.cpp
#	backends/imgui_impl_vulkan.h
#	backends/imgui_impl_wgpu.cpp
#	backends/imgui_impl_wgpu.h
#	imgui.cpp
#	imgui_internal.h
#	imgui_widgets.cpp

backends/imgui_impl_dx10.cpp

@@ -5,6 +5,7 @@
 //  [X] Renderer: User texture binding. Use 'ID3D10ShaderResourceView*' as texture identifier. Read the FAQ about ImTextureID/ImTextureRef!
 //  [X] Renderer: Large meshes support (64k+ vertices) even with 16-bit indices (ImGuiBackendFlags_RendererHasVtxOffset).
 //  [X] Renderer: Texture updates support for dynamic font atlas (ImGuiBackendFlags_RendererHasTextures).
+//  [X] Renderer: Expose selected render state for draw callbacks to use. Access with ImGui_ImplDX10_GetRenderState().
 //  [X] Renderer: Multi-viewport support (multiple windows). Enable with 'io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable'.
 
 // You can use unmodified imgui_impl_* files in your project. See examples/ folder for examples of using this.

backends/imgui_impl_dx10.h

@@ -5,6 +5,7 @@
 //  [X] Renderer: User texture binding. Use 'ID3D10ShaderResourceView*' as texture identifier. Read the FAQ about ImTextureID/ImTextureRef!
 //  [X] Renderer: Large meshes support (64k+ vertices) even with 16-bit indices (ImGuiBackendFlags_RendererHasVtxOffset).
 //  [X] Renderer: Texture updates support for dynamic font atlas (ImGuiBackendFlags_RendererHasTextures).
+//  [X] Renderer: Expose selected render state for draw callbacks to use. Access with ImGui_ImplDX10_GetRenderState().
 //  [X] Renderer: Multi-viewport support (multiple windows). Enable with 'io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable'.
 
 // You can use unmodified imgui_impl_* files in your project. See examples/ folder for examples of using this.
@@ -47,4 +48,6 @@ struct ImGui_ImplDX10_RenderState
     //ID3D10SamplerState*   SamplerNearest;         // Use ImDrawList::AddCallback(ImGui::GetPlatform().DrawCallback_SetSamplerNearest)
 };
 
+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

@@ -5,7 +5,7 @@
 //  [X] Renderer: User texture binding. Use 'ID3D11ShaderResourceView*' as texture identifier. Read the FAQ about ImTextureID/ImTextureRef!
 //  [X] Renderer: Large meshes support (64k+ vertices) even with 16-bit indices (ImGuiBackendFlags_RendererHasVtxOffset).
 //  [X] Renderer: Texture updates support for dynamic font atlas (ImGuiBackendFlags_RendererHasTextures).
-//  [X] Renderer: Expose selected render state for draw callbacks to use. Access in '(ImGui_ImplXXXX_RenderState*)GetPlatformIO().Renderer_RenderState'.
+//  [X] Renderer: Expose selected render state for draw callbacks to use. Access with ImGui_ImplDX11_GetRenderState().
 //  [X] Renderer: Multi-viewport support (multiple windows). Enable with 'io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable'.
 
 // You can use unmodified imgui_impl_* files in your project. See examples/ folder for examples of using this.

backends/imgui_impl_dx11.h

@@ -5,7 +5,7 @@
 //  [X] Renderer: User texture binding. Use 'ID3D11ShaderResourceView*' as texture identifier. Read the FAQ about ImTextureID/ImTextureRef!
 //  [X] Renderer: Large meshes support (64k+ vertices) even with 16-bit indices (ImGuiBackendFlags_RendererHasVtxOffset).
 //  [X] Renderer: Texture updates support for dynamic font atlas (ImGuiBackendFlags_RendererHasTextures).
-//  [X] Renderer: Expose selected render state for draw callbacks to use. Access in '(ImGui_ImplXXXX_RenderState*)GetPlatformIO().Renderer_RenderState'.
+//  [X] Renderer: Expose selected render state for draw callbacks to use. Access with ImGui_ImplDX11_GetRenderState().
 //  [X] Renderer: Multi-viewport support (multiple windows). Enable with 'io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable'.
 
 // You can use unmodified imgui_impl_* files in your project. See examples/ folder for examples of using this.
@@ -50,4 +50,6 @@ struct ImGui_ImplDX11_RenderState
     //ID3D11SamplerState*   SamplerNearest;         // Use ImDrawList::AddCallback(ImGui::GetPlatform().DrawCallback_SetSamplerNearest)
 };
 
+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

@@ -5,7 +5,7 @@
 //  [X] Renderer: User texture binding. Use 'D3D12_GPU_DESCRIPTOR_HANDLE' as texture identifier. Read the FAQ about ImTextureID/ImTextureRef!
 //  [X] Renderer: Large meshes support (64k+ vertices) even with 16-bit indices (ImGuiBackendFlags_RendererHasVtxOffset).
 //  [X] Renderer: Texture updates support for dynamic font atlas (ImGuiBackendFlags_RendererHasTextures).
-//  [X] Renderer: Expose selected render state for draw callbacks to use. Access in '(ImGui_ImplXXXX_RenderState*)GetPlatformIO().Renderer_RenderState'.
+//  [X] Renderer: Expose selected render state for draw callbacks to use. Access with ImGui_ImplDX12_GetRenderState().
 //  [X] Renderer: Multi-viewport support (multiple windows). Enable with 'io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable'.
 //      FIXME: The transition from removing a viewport and moving the window in an existing hosted viewport tends to flicker.
 

backends/imgui_impl_dx12.h

@@ -5,7 +5,7 @@
 //  [X] Renderer: User texture binding. Use 'D3D12_GPU_DESCRIPTOR_HANDLE' as texture identifier. Read the FAQ about ImTextureID/ImTextureRef!
 //  [X] Renderer: Large meshes support (64k+ vertices) even with 16-bit indices (ImGuiBackendFlags_RendererHasVtxOffset).
 //  [X] Renderer: Texture updates support for dynamic font atlas (ImGuiBackendFlags_RendererHasTextures).
-//  [X] Renderer: Expose selected render state for draw callbacks to use. Access in '(ImGui_ImplXXXX_RenderState*)GetPlatformIO().Renderer_RenderState'.
+//  [X] Renderer: Expose selected render state for draw callbacks to use. Access with ImGui_ImplDX12_GetRenderState().
 //  [X] Renderer: Multi-viewport support (multiple windows). Enable with 'io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable'.
 
 // The aim of imgui_impl_dx12.h/.cpp is to be usable in your engine without any modification.
@@ -76,6 +76,8 @@ struct ImGui_ImplDX12_RenderState
     ID3D12GraphicsCommandList*  CommandList;
 };
 
+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
 // - font_srv_cpu_desc_handle and font_srv_gpu_desc_handle are handles to a single SRV descriptor to use for the internal font texture, they must be in 'srv_descriptor_heap'

backends/imgui_impl_opengl2.cpp

@@ -28,7 +28,8 @@
 // CHANGELOG
 // (minor and older changes stripped away, please see git history for details)
 //  2026-XX-XX: Platform: Added support for multiple windows via the ImGuiPlatformIO interface.
-//  2026-09-07: Round framebuffer dimensions to the nearest integer instead of truncating them. (#9538, 9515, #8628)
+//  2026-09-17: OpenGL: Added support for platform_io.DrawCallback_SetSamplerFromTex. (#9378)
+//  2026-09-07: OpenGL: Round framebuffer dimensions to the nearest integer instead of truncating them. (#9538, 9515, #8628)
 //  2026-07-15: OpenGL: Backup and restore GL_UNPACK_ROW_LENGTH and GL_UNPACK_ALIGNMENT in UpdateTexture() to avoid corrupting caller GL state. (#8802, #9473)
 //  2026-04-23: OpenGL: Added support for standard draw callbacks (in platform_io): DrawCallback_ResetRenderState, DrawCallback_SetSamplerLinear, DrawCallback_SetSamplerNearest. (#9378)
 //  2026-03-12: OpenGL: Fixed invalid assert in ImGui_ImplOpenGL3_UpdateTexture() if ImTextureID_Invalid is defined to be != 0, which became the default since 2026-03-12. (#9295)
@@ -138,6 +139,8 @@ static void ImGui_ImplOpenGL2_SetupRenderState(ImDrawData* draw_data, int fb_wid
     glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
     glShadeModel(GL_SMOOTH);
     glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+
+    bd->UseTexParameterToSetSampler = false;
     bd->NextSampler = GL_LINEAR;
 
     // If you are using this code with non-legacy OpenGL header/contexts (which you should not, prefer using imgui_impl_opengl3.cpp!!),
@@ -164,9 +167,13 @@ static void ImGui_ImplOpenGL2_SetupRenderState(ImDrawData* draw_data, int fb_wid
 }
 
 // Draw callbacks
-static void ImGui_ImplOpenGL2_DrawCallback_ResetRenderState(const ImDrawList*, const ImDrawCmd*)    {} // Intentionally empty. Used as an identifier for rendering loop to call its code. Simpler to implement this way.
+// - IMPORTANT: Using DrawCallback_SetSamplerLinear/DrawCallback_SetSamplerNearest will trash glTexParameteri() values for the texture!!
-static void ImGui_ImplOpenGL2_DrawCallback_SetSamplerLinear(const ImDrawList*, const ImDrawCmd*)    { ImGui_ImplOpenGL2_Data* bd = ImGui_ImplOpenGL2_GetBackendData(); bd->UseTexParameterToSetSampler = true; bd->NextSampler = GL_LINEAR; }
+//   We cannot decently backup/restore that state because glGetTexParameteriv() is slow on many setups.
-static void ImGui_ImplOpenGL2_DrawCallback_SetSamplerNearest(const ImDrawList*, const ImDrawCmd*)   { ImGui_ImplOpenGL2_Data* bd = ImGui_ImplOpenGL2_GetBackendData(); bd->UseTexParameterToSetSampler = true; bd->NextSampler = GL_NEAREST; }
+// - Using DrawCallback_SetSamplerFromTex will basically instruct the backend to use existing glTexParameteri() values without modifying anything, which is the initial state.
+static void ImGui_ImplOpenGL2_DrawCallback_ResetRenderState(const ImDrawList*, const ImDrawCmd*)  {} // Intentionally empty. Used as an identifier for rendering loop to call its code. Simpler to implement this way.
+static void ImGui_ImplOpenGL2_DrawCallback_SetSamplerLinear(const ImDrawList*, const ImDrawCmd*)  { ImGui_ImplOpenGL2_Data* bd = ImGui_ImplOpenGL2_GetBackendData(); bd->UseTexParameterToSetSampler = true; bd->NextSampler = GL_LINEAR; }
+static void ImGui_ImplOpenGL2_DrawCallback_SetSamplerNearest(const ImDrawList*, const ImDrawCmd*) { ImGui_ImplOpenGL2_Data* bd = ImGui_ImplOpenGL2_GetBackendData(); bd->UseTexParameterToSetSampler = true; bd->NextSampler = GL_NEAREST; }
+static void ImGui_ImplOpenGL2_DrawCallback_SetSamplerFromTex(const ImDrawList*, const ImDrawCmd*) { ImGui_ImplOpenGL2_Data* bd = ImGui_ImplOpenGL2_GetBackendData(); bd->UseTexParameterToSetSampler = false; }
 
 // OpenGL2 Render function.
 // Note that this implementation is little overcomplicated because we are saving/setting up/restoring every OpenGL state explicitly.
@@ -369,6 +376,7 @@ bool    ImGui_ImplOpenGL2_Init()
     platform_io.DrawCallback_ResetRenderState = ImGui_ImplOpenGL2_DrawCallback_ResetRenderState;
     platform_io.DrawCallback_SetSamplerLinear = ImGui_ImplOpenGL2_DrawCallback_SetSamplerLinear;
     platform_io.DrawCallback_SetSamplerNearest = ImGui_ImplOpenGL2_DrawCallback_SetSamplerNearest;
+    platform_io.DrawCallback_SetSamplerFromTex = ImGui_ImplOpenGL2_DrawCallback_SetSamplerFromTex;
 
     return true;
 }

backends/imgui_impl_opengl3.cpp

@@ -7,6 +7,7 @@
 //  [X] Renderer: User texture binding. Use 'GLuint' OpenGL texture as texture identifier. Read the FAQ about ImTextureID/ImTextureRef!
 //  [x] Renderer: Large meshes support (64k+ vertices) even with 16-bit indices (ImGuiBackendFlags_RendererHasVtxOffset) [Desktop OpenGL only!]
 //  [X] Renderer: Texture updates support for dynamic font atlas (ImGuiBackendFlags_RendererHasTextures).
+//  [X] Renderer: Expose selected render state for draw callbacks to use. Access with ImGui_ImplOpenGL3_GetRenderState().
 //  [X] Renderer: Multi-viewport support (multiple windows). Enable with 'io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable'.
 
 // About WebGL/ES:
@@ -25,7 +26,8 @@
 // CHANGELOG
 // (minor and older changes stripped away, please see git history for details)
 //  2026-XX-XX: Platform: Added support for multiple windows via the ImGuiPlatformIO interface.
-//  2026-09-07: Round framebuffer dimensions to the nearest integer instead of truncating them. (#9538, 9515, #8628)
+//  2026-09-17: OpenGL: Added support for platform_io.DrawCallback_SetSamplerFromTex. (#9378)
+//  2026-09-07: OpenGL: Round framebuffer dimensions to the nearest integer instead of truncating them. (#9538, 9515, #8628)
 //  2026-07-15: OpenGL: Backup and restore GL_UNPACK_ROW_LENGTH and GL_UNPACK_ALIGNMENT in UpdateTexture() to avoid corrupting caller GL state. (#8802, #9473)
 //  2026-06-17: OpenGL: Expose selected render state in ImGui_ImplOpenGL3_RenderState, Allowing to dynamically select between use of glBindSampler() and glTexParameter(). You can access in 'void* platform_io.Renderer_RenderState' during rendering.
 //  2026-06-03: OpenGL: GLSL version detection assume GLSL 410 when GL context is 4.1. Fixes an issue running on macOS with Wine. (#9427, #6577)
@@ -392,9 +394,12 @@ static void ImGui_ImplOpenGL3_SetupRenderState(ImDrawData* draw_data, ImGui_Impl
     glUniform1i(bd->AttribLocationTex, 0);
     glUniformMatrix4fv(bd->AttribLocationProjMtx, 1, GL_FALSE, &ortho_projection[0][0]);
 
-    (void)render_state;
+    render_state->UseBindSampler = bd->HasBindSampler;
+    render_state->UseTexParameterFilter = false;
+    render_state->CurrentSampler = 0;
+    render_state->CurrentTexParameterFilter = 0;
 #ifdef IMGUI_IMPL_OPENGL_MAY_HAVE_BIND_SAMPLER
-    if (render_state->UseBindSampler)
+    if (bd->HasBindSampler && render_state->UseBindSampler)
     {
         render_state->CurrentSampler = bd->TexSamplers[0];
         glBindSampler(0, render_state->CurrentSampler); // We use combined texture/sampler state. Applications using GL 3.3 and GL ES 3.0 may set that otherwise.
@@ -417,16 +422,15 @@ static void ImGui_ImplOpenGL3_SetupRenderState(ImDrawData* draw_data, ImGui_Impl
     GL_CALL(glVertexAttribPointer(bd->AttribLocationVtxColor, 4, GL_UNSIGNED_BYTE, GL_TRUE, sizeof(ImDrawVert), (GLvoid*)offsetof(ImDrawVert, col)));
 }
 
-// Draw callbacks
+static void ImGui_ImplOpenGL3_DrawCallback_SetSampler(unsigned int sampler_idx, unsigned int tex_parameter_filter)
-static void ImGui_ImplOpenGL3_DrawCallback_ResetRenderState(const ImDrawList*, const ImDrawCmd*)    {} // Intentionally empty. Used as an identifier for rendering loop to call its code. Simpler to implement this way.
-static void ImGui_ImplOpenGL3_DrawCallback_SetSamplerLinear(const ImDrawList*, const ImDrawCmd*)
 {
     ImGui_ImplOpenGL3_RenderState* render_state = ImGui_ImplOpenGL3_GetRenderState();
+    IM_UNUSED(sampler_idx);
 #ifdef IMGUI_IMPL_OPENGL_MAY_HAVE_BIND_SAMPLER
     ImGui_ImplOpenGL3_Data* bd = ImGui_ImplOpenGL3_GetBackendData();
-    if (bd->HasBindSampler)
+    if (bd->HasBindSampler && render_state->UseBindSampler)
     {
-        render_state->CurrentSampler = bd->TexSamplers[0];
+        render_state->CurrentSampler = bd->TexSamplers[sampler_idx];
         render_state->UseTexParameterFilter = false;
         glBindSampler(0, render_state->CurrentSampler);
     }
@@ -434,26 +438,30 @@ static void ImGui_ImplOpenGL3_DrawCallback_SetSamplerLinear(const ImDrawList*, c
 #endif
     {
         render_state->UseTexParameterFilter = true;
-        render_state->CurrentTexParameterFilter = GL_LINEAR;
+        render_state->CurrentTexParameterFilter = tex_parameter_filter;
     }
 }
-static void ImGui_ImplOpenGL3_DrawCallback_SetSamplerNearest(const ImDrawList*, const ImDrawCmd*)
+
+// Draw callbacks
+// - IMPORTANT: Using DrawCallback_SetSamplerLinear/DrawCallback_SetSamplerNearest will trash glTexParameteri() values for the texture if used on a GL context not supporting glBindSampler()!!
+//   We cannot decently backup/restore that state because glGetTexParameteriv() is slow on many setups.
+// - Using DrawCallback_SetSamplerFromTex will basically instruct the backend to use existing glTexParameteri() values without modifying anything.
+static void ImGui_ImplOpenGL3_DrawCallback_ResetRenderState(const ImDrawList*, const ImDrawCmd*)  {} // Intentionally empty. Used as an identifier for rendering loop to call its code. Simpler to implement this way.
+static void ImGui_ImplOpenGL3_DrawCallback_SetSamplerLinear(const ImDrawList*, const ImDrawCmd*)  { ImGui_ImplOpenGL3_DrawCallback_SetSampler(0, GL_LINEAR); }
+static void ImGui_ImplOpenGL3_DrawCallback_SetSamplerNearest(const ImDrawList*, const ImDrawCmd*) { ImGui_ImplOpenGL3_DrawCallback_SetSampler(1, GL_NEAREST); }
+static void ImGui_ImplOpenGL3_DrawCallback_SetSamplerFromTex(const ImDrawList*, const ImDrawCmd*)
 {
     ImGui_ImplOpenGL3_RenderState* render_state = ImGui_ImplOpenGL3_GetRenderState();
 #ifdef IMGUI_IMPL_OPENGL_MAY_HAVE_BIND_SAMPLER
     ImGui_ImplOpenGL3_Data* bd = ImGui_ImplOpenGL3_GetBackendData();
     if (bd->HasBindSampler)
     {
-        render_state->CurrentSampler = bd->TexSamplers[1];
+        render_state->CurrentSampler = 0;
-        render_state->UseTexParameterFilter = false;
+        glBindSampler(0, 0);
-        glBindSampler(0, render_state->CurrentSampler);
     }
-    else
 #endif
-    {
+    render_state->UseBindSampler = false;
-        render_state->UseTexParameterFilter = true;
+    render_state->UseTexParameterFilter = false;
-        render_state->CurrentTexParameterFilter = GL_NEAREST;
-    }
 }
 
 // OpenGL3 Render function.
@@ -527,11 +535,7 @@ void    ImGui_ImplOpenGL3_RenderDrawData(ImDrawData* draw_data)
 
     // Setup render state structure (for callbacks and custom texture bindings)
     ImGuiPlatformIO& platform_io = ImGui::GetPlatformIO();
-    ImGui_ImplOpenGL3_RenderState render_state;
+    ImGui_ImplOpenGL3_RenderState render_state = {};
-    render_state.UseBindSampler = bd->HasBindSampler;
-    render_state.UseTexParameterFilter = false;
-    render_state.CurrentSampler = 0;
-    render_state.CurrentTexParameterFilter = 0;
     platform_io.Renderer_RenderState = &render_state;
 
     ImGui_ImplOpenGL3_SetupRenderState(draw_data, &render_state, fb_width, fb_height, vertex_array_object);
@@ -1102,6 +1106,7 @@ bool    ImGui_ImplOpenGL3_Init(const char* glsl_version)
     platform_io.DrawCallback_ResetRenderState = ImGui_ImplOpenGL3_DrawCallback_ResetRenderState;
     platform_io.DrawCallback_SetSamplerLinear = ImGui_ImplOpenGL3_DrawCallback_SetSamplerLinear;
     platform_io.DrawCallback_SetSamplerNearest = ImGui_ImplOpenGL3_DrawCallback_SetSamplerNearest;
+    platform_io.DrawCallback_SetSamplerFromTex = ImGui_ImplOpenGL3_DrawCallback_SetSamplerFromTex;
 
     // Store GLSL version string so we can refer to it later in case we recreate shaders.
     // Note: GLSL version is NOT the same as GL version. Leave this to nullptr if unsure.

backends/imgui_impl_opengl3.h

@@ -7,6 +7,7 @@
 //  [X] Renderer: User texture binding. Use 'GLuint' OpenGL texture as texture identifier. Read the FAQ about ImTextureID/ImTextureRef!
 //  [x] Renderer: Large meshes support (64k+ vertices) even with 16-bit indices (ImGuiBackendFlags_RendererHasVtxOffset) [Desktop OpenGL only!]
 //  [X] Renderer: Texture updates support for dynamic font atlas (ImGuiBackendFlags_RendererHasTextures).
+//  [X] Renderer: Expose selected render state for draw callbacks to use. Access with ImGui_ImplOpenGL3_GetRenderState().
 //  [X] Renderer: Multi-viewport support (multiple windows). Enable with 'io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable'.
 
 // About WebGL/ES:
@@ -73,8 +74,8 @@ struct ImGui_ImplOpenGL3_RenderState
 {
     bool            UseBindSampler;
     bool            UseTexParameterFilter;
-    unsigned int    CurrentSampler;                 // (GLuint) Used if UseBindSampler == true, otherwise always 0
+    unsigned int    CurrentSampler;                 // (GLuint) Used if UseBindSampler == true (and are available), otherwise always 0
-    unsigned int    CurrentTexParameterFilter;      // (GLuint) Used if UseTexParameterToSetSampler == true
+    unsigned int    CurrentTexParameterFilter;      // (GLuint) Used if UseTexParameterFilter == true
 };
 
 static inline ImGui_ImplOpenGL3_RenderState* ImGui_ImplOpenGL3_GetRenderState() { return (ImGui_ImplOpenGL3_RenderState*)ImGui::GetPlatformIO().Renderer_RenderState; }

backends/imgui_impl_sdlgpu3.cpp

@@ -5,6 +5,7 @@
 //  [X] Renderer: User texture binding. Use 'SDL_GPUTexture*' as texture identifier. Read the FAQ about ImTextureID/ImTextureRef! **IMPORTANT** Before 2025/08/08, ImTextureID was a reference to a SDL_GPUTextureSamplerBinding struct.
 //  [X] Renderer: Large meshes support (64k+ vertices) even with 16-bit indices (ImGuiBackendFlags_RendererHasVtxOffset).
 //  [X] Renderer: Texture updates support for dynamic font atlas (ImGuiBackendFlags_RendererHasTextures).
+//  [X] Renderer: Expose selected render state for draw callbacks to use. Access with ImGui_ImplSDLGPU3_GetRenderState().
 //  [X] Renderer: Multi-viewport support (multiple windows). Enable with 'io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable'.
 
 // The aim of imgui_impl_sdlgpu3.h/.cpp is to be usable in your engine without any modification.

backends/imgui_impl_sdlgpu3.h

@@ -5,6 +5,7 @@
 //  [X] Renderer: User texture binding. Use 'SDL_GPUTexture*' as texture identifier. Read the FAQ about ImTextureID/ImTextureRef! **IMPORTANT** Before 2025/08/08, ImTextureID was a reference to a SDL_GPUTextureSamplerBinding struct.
 //  [X] Renderer: Large meshes support (64k+ vertices) even with 16-bit indices (ImGuiBackendFlags_RendererHasVtxOffset).
 //  [X] Renderer: Texture updates support for dynamic font atlas (ImGuiBackendFlags_RendererHasTextures).
+//  [X] Renderer: Expose selected render state for draw callbacks to use. Access with ImGui_ImplSDLGPU3_GetRenderState().
 //  [X] Renderer: Multi-viewport support (multiple windows). Enable with 'io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable'.
 
 // The aim of imgui_impl_sdlgpu3.h/.cpp is to be usable in your engine without any modification.
@@ -60,4 +61,6 @@ struct ImGui_ImplSDLGPU3_RenderState
     SDL_GPUDevice*      Device;
 };
 
+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

@@ -56,7 +56,8 @@
 #endif
 
 // SDL
-#include <SDL.h>
+#include <SDL_render.h>
+#include <SDL_version.h>
 #if !SDL_VERSION_ATLEAST(2,0,17)
 #error This backend requires SDL 2.0.17+ because of SDL_RenderGeometry() function
 #endif

backends/imgui_impl_sdlrenderer2.h

@@ -53,4 +53,6 @@ struct ImGui_ImplSDLRenderer2_RenderState
     SDL_Renderer*       Renderer;
 };
 
+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

@@ -13,7 +13,7 @@
 //  [X] Renderer: User texture binding. Use 'SDL_Texture*' as texture identifier. Read the FAQ about ImTextureID/ImTextureRef!
 //  [X] Renderer: Large meshes support (64k+ vertices) even with 16-bit indices (ImGuiBackendFlags_RendererHasVtxOffset).
 //  [X] Renderer: Texture updates support for dynamic font atlas (ImGuiBackendFlags_RendererHasTextures).
-//  [X] Renderer: Expose selected render state for draw callbacks to use. Access in '(ImGui_ImplXXXX_RenderState*)GetPlatformIO().Renderer_RenderState'.
+//  [X] Renderer: Expose selected render state for draw callbacks to use. Access with ImGui_ImplSDLRenderer3_GetRenderState().
 // Missing features:
 //  [ ] Renderer: Multi-viewport support (multiple windows).
 
@@ -27,6 +27,7 @@
 
 // CHANGELOG
 // (minor and older changes stripped away, please see git history for details)
+//  2026-09-17: Restore modified texture scale modes at the end of RenderDrawData(). Added DrawCallback_SetSamplerFromTex support. Added CurrentScaleMode in ImGui_ImplSDLRenderer3_RenderState (#9543, #9378)
 //  2026-07-15: Fixed default sampler state to be linear (broken 2026-04-23). (#9470, #9378)
 //  2026-04-23: Added support for standard draw callbacks (in platform_io): DrawCallback_ResetRenderState, DrawCallback_SetSamplerLinear, DrawCallback_SetSamplerNearest. (#9378)
 //  2026-03-12: Fixed invalid assert in ImGui_ImplSDLRenderer3_UpdateTexture() if ImTextureID_Invalid is defined to be != 0, which became the default since 2026-03-12. (#9295)
@@ -53,19 +54,24 @@
 #endif
 
 // SDL
-#include <SDL3/SDL.h>
+#include <SDL3/SDL_render.h>
+#include <SDL3/SDL_version.h>
 #if !SDL_VERSION_ATLEAST(3,0,0)
 #error This backend requires SDL 3.0.0+
 #endif
 
 // SDL_Renderer data
+struct ImGui_ImplSDLRenderer3_TexScaleModeEntry
+{
+    SDL_Texture*    Texture;
+    SDL_ScaleMode   ScaleModeBackup;
+};
+
 struct ImGui_ImplSDLRenderer3_Data
 {
     SDL_Renderer*           Renderer;       // Main viewport's renderer
     ImVector<SDL_FColor>    ColorBuffer;
-
+    ImVector<ImGui_ImplSDLRenderer3_TexScaleModeEntry> TexScaleModeBackups;  // Backup of texture scale modes
-    // Render State
-    SDL_ScaleMode           CurrentScaleMode;
 
     ImGui_ImplSDLRenderer3_Data()   { memset((void*)this, 0, sizeof(*this)); }
 };
@@ -80,14 +86,13 @@ static ImGui_ImplSDLRenderer3_Data* ImGui_ImplSDLRenderer3_GetBackendData()
 // Functions
 static void ImGui_ImplSDLRenderer3_SetupRenderState(SDL_Renderer* renderer)
 {
-    ImGui_ImplSDLRenderer3_Data* bd = ImGui_ImplSDLRenderer3_GetBackendData();
+    ImGui_ImplSDLRenderer3_RenderState* render_state = ImGui_ImplSDLRenderer3_GetRenderState();
 
     // Clear out any viewports and cliprect set by the user
     // FIXME: Technically speaking there are lots of other things we could backup/setup/restore during our render process.
     SDL_SetRenderViewport(renderer, nullptr);
     SDL_SetRenderClipRect(renderer, nullptr);
-
+    render_state->CurrentScaleMode = SDL_SCALEMODE_LINEAR;
-    bd->CurrentScaleMode = SDL_SCALEMODE_LINEAR;
 }
 
 void ImGui_ImplSDLRenderer3_NewFrame()
@@ -117,8 +122,61 @@ static int SDL_RenderGeometryRaw8BitColor(SDL_Renderer* renderer, ImVector<SDL_F
 
 // Draw callbacks
 static void ImGui_ImplSDLRenderer3_DrawCallback_ResetRenderState(const ImDrawList*, const ImDrawCmd*)   {} // Intentionally empty. Used as an identifier for rendering loop to call its code. Simpler to implement this way.
-static void ImGui_ImplSDLRenderer3_DrawCallback_SetSamplerLinear(const ImDrawList*, const ImDrawCmd*)   { ImGui_ImplSDLRenderer3_Data* bd = ImGui_ImplSDLRenderer3_GetBackendData(); bd->CurrentScaleMode = SDL_SCALEMODE_LINEAR; }
+static void ImGui_ImplSDLRenderer3_DrawCallback_SetSamplerLinear(const ImDrawList*, const ImDrawCmd*)   { ImGui_ImplSDLRenderer3_RenderState* render_state = ImGui_ImplSDLRenderer3_GetRenderState(); render_state->CurrentScaleMode = SDL_SCALEMODE_LINEAR; }
-static void ImGui_ImplSDLRenderer3_DrawCallback_SetSamplerNearest(const ImDrawList*, const ImDrawCmd*)  { ImGui_ImplSDLRenderer3_Data* bd = ImGui_ImplSDLRenderer3_GetBackendData(); bd->CurrentScaleMode = SDL_SCALEMODE_NEAREST; }
+static void ImGui_ImplSDLRenderer3_DrawCallback_SetSamplerNearest(const ImDrawList*, const ImDrawCmd*)  { ImGui_ImplSDLRenderer3_RenderState* render_state = ImGui_ImplSDLRenderer3_GetRenderState(); render_state->CurrentScaleMode = SDL_SCALEMODE_NEAREST; }
+static void ImGui_ImplSDLRenderer3_DrawCallback_SetSamplerFromTex(const ImDrawList*, const ImDrawCmd*)  { ImGui_ImplSDLRenderer3_RenderState* render_state = ImGui_ImplSDLRenderer3_GetRenderState(); render_state->CurrentScaleMode = SDL_SCALEMODE_INVALID; } // SDL_SCALEMODE_INVALID = use/keep value in texture.
+
+// SDLRenderer has various design issues which makes it hard to do it compared to regular graphics API.
+// - scale/filtering mode is tied to a texture.
+// - scale/filtering mode is not queued as part of the SDL_RenderGeometryXXX commands, so a change in one texture requires a flush.
+static void ImGui_ImplSDLRenderer3_TexScaleModeUpdate(SDL_Renderer* renderer, SDL_Texture* tex, SDL_ScaleMode desired_scale_mode)
+{
+    ImGui_ImplSDLRenderer3_Data* bd = ImGui_ImplSDLRenderer3_GetBackendData();
+    if (desired_scale_mode != SDL_SCALEMODE_INVALID)
+    {
+        // Enforce a scale mode
+        SDL_ScaleMode tex_scale_mode = desired_scale_mode;
+        if (!SDL_GetTextureScaleMode(tex, &tex_scale_mode) || tex_scale_mode == desired_scale_mode)
+            return;
+        SDL_FlushRenderer(renderer);
+        SDL_SetTextureScaleMode(tex, desired_scale_mode);
+
+        // Store backup of old scale mode (FIXME-OPT)
+        for (ImGui_ImplSDLRenderer3_TexScaleModeEntry& entry : bd->TexScaleModeBackups)
+            if (entry.Texture == tex)
+            {
+                if (entry.ScaleModeBackup == SDL_SCALEMODE_INVALID)
+                    entry.ScaleModeBackup = tex_scale_mode;
+                return;
+            }
+        ImGui_ImplSDLRenderer3_TexScaleModeEntry entry = { tex, tex_scale_mode };
+        bd->TexScaleModeBackups.push_back(entry);
+    }
+    else
+    {
+        // Use scale mode that was set in texture by user. If there is an entry, restore it and clear the entry.
+        for (ImGui_ImplSDLRenderer3_TexScaleModeEntry& entry : bd->TexScaleModeBackups)
+            if (entry.Texture == tex && entry.ScaleModeBackup != SDL_SCALEMODE_INVALID)
+            {
+                SDL_FlushRenderer(renderer);
+                SDL_SetTextureScaleMode(tex, entry.ScaleModeBackup);
+                entry.ScaleModeBackup = SDL_SCALEMODE_INVALID;
+                return;
+            }
+    }
+}
+
+static void ImGui_ImplSDLRenderer3_TexScaleModeRestoreBackups(SDL_Renderer* renderer)
+{
+    ImGui_ImplSDLRenderer3_Data* bd = ImGui_ImplSDLRenderer3_GetBackendData();
+    if (bd->TexScaleModeBackups.Size == 0)
+        return;
+    SDL_FlushRenderer(renderer);
+    for (ImGui_ImplSDLRenderer3_TexScaleModeEntry& entry : bd->TexScaleModeBackups)
+        if (entry.ScaleModeBackup != SDL_SCALEMODE_INVALID)
+            SDL_SetTextureScaleMode(entry.Texture, entry.ScaleModeBackup);
+    bd->TexScaleModeBackups.resize(0);
+}
 
 void ImGui_ImplSDLRenderer3_RenderDrawData(ImDrawData* draw_data, SDL_Renderer* renderer)
 {
@@ -161,19 +219,19 @@ void ImGui_ImplSDLRenderer3_RenderDrawData(ImDrawData* draw_data, SDL_Renderer*
     SDL_GetRenderViewport(renderer, &old.Viewport);
     SDL_GetRenderClipRect(renderer, &old.ClipRect);
 
-    // Setup desired state
-    ImGui_ImplSDLRenderer3_SetupRenderState(renderer);
-
     // Setup render state structure (for callbacks and custom texture bindings)
     ImGuiPlatformIO& platform_io = ImGui::GetPlatformIO();
     ImGui_ImplSDLRenderer3_RenderState render_state;
     render_state.Renderer = renderer;
     platform_io.Renderer_RenderState = &render_state;
 
+    // Setup desired state
+    ImGui_ImplSDLRenderer3_SetupRenderState(renderer);
+    IM_ASSERT(bd->TexScaleModeBackups.Size == 0);
+
     // Will project scissor/clipping rectangles into framebuffer space
     ImVec2 clip_off = draw_data->DisplayPos;         // (0,0) unless using multi-viewports
     ImVec2 clip_scale = render_scale;
-    SDL_ScaleMode last_scale_mode = bd->CurrentScaleMode;
 
     // Render command lists
     for (const ImDrawList* draw_list : draw_data->CmdLists)
@@ -203,20 +261,17 @@ void ImGui_ImplSDLRenderer3_RenderDrawData(ImDrawData* draw_data, SDL_Renderer*
                 if (clip_max.y > (float)fb_height) { clip_max.y = (float)fb_height; }
                 if (clip_max.x <= clip_min.x || clip_max.y <= clip_min.y)
                     continue;
-
                 SDL_Rect r = { (int)(clip_min.x), (int)(clip_min.y), (int)(clip_max.x - clip_min.x), (int)(clip_max.y - clip_min.y) };
                 SDL_SetRenderClipRect(renderer, &r);
 
+                // Setup texture scale/filtering mode
+                SDL_Texture* tex = (SDL_Texture*)pcmd->GetTexID();
+                ImGui_ImplSDLRenderer3_TexScaleModeUpdate(renderer, tex, render_state.CurrentScaleMode);
+
+                // Draw
                 const float* xy = (const float*)(const void*)((const char*)(vtx_buffer + pcmd->VtxOffset) + offsetof(ImDrawVert, pos));
                 const float* uv = (const float*)(const void*)((const char*)(vtx_buffer + pcmd->VtxOffset) + offsetof(ImDrawVert, uv));
-                const SDL_Color* color = (const SDL_Color*)(const void*)((const char*)(vtx_buffer + pcmd->VtxOffset) + offsetof(ImDrawVert, col)); // SDL 2.0.19+
+                const SDL_Color* color = (const SDL_Color*)(const void*)((const char*)(vtx_buffer + pcmd->VtxOffset) + offsetof(ImDrawVert, col));
-
-                if (last_scale_mode != bd->CurrentScaleMode)
-                    SDL_FlushRenderer(renderer);
-
-                // Bind texture, Draw
-                SDL_Texture* tex = (SDL_Texture*)pcmd->GetTexID();
-                SDL_SetTextureScaleMode(tex, bd->CurrentScaleMode);
                 SDL_RenderGeometryRaw8BitColor(renderer, bd->ColorBuffer, tex,
                     xy, (int)sizeof(ImDrawVert),
                     color, (int)sizeof(ImDrawVert),
@@ -231,6 +286,7 @@ void ImGui_ImplSDLRenderer3_RenderDrawData(ImDrawData* draw_data, SDL_Renderer*
     // Restore modified SDL_Renderer state
     SDL_SetRenderViewport(renderer, old.ViewportEnabled ? &old.Viewport : nullptr);
     SDL_SetRenderClipRect(renderer, old.ClipEnabled ? &old.ClipRect : nullptr);
+    ImGui_ImplSDLRenderer3_TexScaleModeRestoreBackups(renderer);
 }
 
 void ImGui_ImplSDLRenderer3_UpdateTexture(ImTextureData* tex)
@@ -312,6 +368,7 @@ bool ImGui_ImplSDLRenderer3_Init(SDL_Renderer* renderer)
     platform_io.DrawCallback_ResetRenderState = ImGui_ImplSDLRenderer3_DrawCallback_ResetRenderState;
     platform_io.DrawCallback_SetSamplerLinear = ImGui_ImplSDLRenderer3_DrawCallback_SetSamplerLinear;
     platform_io.DrawCallback_SetSamplerNearest = ImGui_ImplSDLRenderer3_DrawCallback_SetSamplerNearest;
+    platform_io.DrawCallback_SetSamplerFromTex = ImGui_ImplSDLRenderer3_DrawCallback_SetSamplerFromTex;
 
     bd->Renderer = renderer;
 

backends/imgui_impl_sdlrenderer3.h

@@ -13,7 +13,7 @@
 //  [X] Renderer: User texture binding. Use 'SDL_Texture*' as texture identifier. Read the FAQ about ImTextureID/ImTextureRef!
 //  [X] Renderer: Large meshes support (64k+ vertices) even with 16-bit indices (ImGuiBackendFlags_RendererHasVtxOffset).
 //  [X] Renderer: Texture updates support for dynamic font atlas (ImGuiBackendFlags_RendererHasTextures).
-//  [X] Renderer: Expose selected render state for draw callbacks to use. Access in '(ImGui_ImplXXXX_RenderState*)GetPlatformIO().Renderer_RenderState'.
+//  [X] Renderer: Expose selected render state for draw callbacks to use. Access with ImGui_ImplSDLRenderer3_GetRenderState().
 // Missing features:
 //  [ ] Renderer: Multi-viewport support (multiple windows).
 
@@ -29,7 +29,8 @@
 #include "imgui.h"      // IMGUI_IMPL_API
 #ifndef IMGUI_DISABLE
 
-struct SDL_Renderer;
+// For SDL_ScaleMode which cannot be forward declared.
+#include <SDL3/SDL_render.h>
 
 // Follow "Getting Started" link and check examples/ folder to learn about using backends!
 IMGUI_IMPL_API bool     ImGui_ImplSDLRenderer3_Init(SDL_Renderer* renderer);
@@ -50,6 +51,9 @@ IMGUI_IMPL_API void     ImGui_ImplSDLRenderer3_UpdateTexture(ImTextureData* tex)
 struct ImGui_ImplSDLRenderer3_RenderState
 {
     SDL_Renderer*       Renderer;
+    SDL_ScaleMode       CurrentScaleMode;   // Current scale mode during render. Set to SDL_SCALEMODE_INVALID to use "SetSamplerFromTex" mode.
 };
 
+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

@@ -5,7 +5,7 @@
 //  [!] Renderer: User texture binding. Use a VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE 'VkDescriptorSet' as texture identifier. Call ImGui_ImplVulkan_AddTexture() to register one. Read the FAQ about ImTextureID/ImTextureRef + https://github.com/ocornut/imgui/pull/914 for discussions.
 //  [X] Renderer: Large meshes support (64k+ vertices) even with 16-bit indices (ImGuiBackendFlags_RendererHasVtxOffset).
 //  [X] Renderer: Texture updates support for dynamic font atlas (ImGuiBackendFlags_RendererHasTextures).
-//  [X] Renderer: Expose selected render state for draw callbacks to use. Access in '(ImGui_ImplXXXX_RenderState*)GetPlatformIO().Renderer_RenderState'.
+//  [X] Renderer: Expose selected render state for draw callbacks to use. Access with ImGui_ImplVulkan_GetRenderState().
 //  [x] Renderer: Multi-viewport / platform windows. With issues (flickering when creating a new viewport).
 
 // The aim of imgui_impl_vulkan.h/.cpp is to be usable in your engine without any modification.

backends/imgui_impl_vulkan.h

@@ -5,7 +5,7 @@
 //  [!] Renderer: User texture binding. Use a VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE 'VkDescriptorSet' as texture identifier. Call ImGui_ImplVulkan_AddTexture() to register one. Read the FAQ about ImTextureID/ImTextureRef + https://github.com/ocornut/imgui/pull/914 for discussions.
 //  [X] Renderer: Large meshes support (64k+ vertices) even with 16-bit indices (ImGuiBackendFlags_RendererHasVtxOffset).
 //  [X] Renderer: Texture updates support for dynamic font atlas (ImGuiBackendFlags_RendererHasTextures).
-//  [X] Renderer: Expose selected render state for draw callbacks to use. Access in '(ImGui_ImplXXXX_RenderState*)GetPlatformIO().Renderer_RenderState'.
+//  [X] Renderer: Expose selected render state for draw callbacks to use. Access with ImGui_ImplVulkan_GetRenderState().
 //  [x] Renderer: Multi-viewport / platform windows. With issues (flickering when creating a new viewport).
 
 // The aim of imgui_impl_vulkan.h/.cpp is to be usable in your engine without any modification.
@@ -184,6 +184,8 @@ struct ImGui_ImplVulkan_RenderState
     VkPipelineLayout    PipelineLayout;
 };
 
+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

@@ -5,8 +5,8 @@
 // Implemented features:
 //  [X] Renderer: User texture binding. Use 'WGPUTextureView' as ImTextureID. Read the FAQ about ImTextureID/ImTextureRef!
 //  [X] Renderer: Large meshes support (64k+ vertices) even with 16-bit indices (ImGuiBackendFlags_RendererHasVtxOffset).
-//  [X] Renderer: Expose selected render state for draw callbacks to use. Access in '(ImGui_ImplXXXX_RenderState*)GetPlatformIO().Renderer_RenderState'.
 //  [X] Renderer: Texture updates support for dynamic font system (ImGuiBackendFlags_RendererHasTextures).
+//  [X] Renderer: Expose selected render state for draw callbacks to use. Access with ImGui_ImplWGPU_GetRenderState().
 // Missing features or Issues:
 //  [ ] Renderer: Multi-viewport support (multiple windows), useful for desktop.
 

backends/imgui_impl_wgpu.h

@@ -17,8 +17,8 @@
 // Implemented features:
 //  [X] Renderer: User texture binding. Use 'WGPUTextureView' as ImTextureID. Read the FAQ about ImTextureID/ImTextureRef!
 //  [X] Renderer: Large meshes support (64k+ vertices) even with 16-bit indices (ImGuiBackendFlags_RendererHasVtxOffset).
-//  [X] Renderer: Expose selected render state for draw callbacks to use. Access in '(ImGui_ImplXXXX_RenderState*)GetPlatformIO().Renderer_RenderState'.
 //  [X] Renderer: Texture updates support for dynamic font system (ImGuiBackendFlags_RendererHasTextures).
+//  [X] Renderer: Expose selected render state for draw callbacks to use. Access with ImGui_ImplWGPU_GetRenderState().
 // Missing features or Issues:
 //  [ ] Renderer: Multi-viewport support (multiple windows), useful for desktop.
 
@@ -84,6 +84,8 @@ struct ImGui_ImplWGPU_RenderState
     WGPURenderPassEncoder       RenderPassEncoder;
 };
 
+static inline ImGui_ImplWGPU_RenderState* ImGui_ImplWGPU_GetRenderState() { return (ImGui_ImplWGPU_RenderState*)ImGui::GetPlatformIO().Renderer_RenderState; }
+
 //-------------------------------------------------------------------------
 // Internal Helpers
 // Those are currently used by our example applications.

docs/CHANGELOG.txt

@@ -45,6 +45,8 @@ Breaking Changes:
   favor of `style.CurveTessellationMaxError` (default 1.12)` which is in Pixels unit. It is
   easier to tweak + this allows us to easily scale error threshold on high density screens.
   - style.CurveTessellationMaxError == sqrf(style.CurveTessellationTol).
+- ImGuiTextFilter: removed `float width` parameter of `Draw(const char* filter, float width)`:
+  prefer using `SetNextItemWidth(float)` which is standard. Kept inline redirection function.
 - Backends:
   - DirectX12: Removed support for legacy `ImGui_ImplDX12_Init()` signature, which was
     obsoleted in 1.91.6 (December 2014), because it needed to forcefully disable support
@@ -60,6 +62,14 @@ Other Changes:
 - TreeNode:
   - Fixed issues/asserts with 32+ deep trees when using ImGuiTreeNodeFlags_DrawLinesXXX
     features or other features requiring stack storage. (#9509) [@lasrod]
+- TabBar:
+  - Improved scroll target when clicking a Tab that is larger than the scrolling
+    section width.
+  - Using <> scrolling buttons while the selected Tab is at either end of the
+    section mid-section but not fully visible always makes it fully visible
+    (before eventually selecting a Tab in the leading/trailing section)
+- Selectable:
+  - Fixed `ImGuiSelectableFlags_SelectOnNav` triggering during NavInit.
 - Fonts:
   - Reworked `AddFontDefault()` to use `io.DisplayFrameBufferScale` as part of the heuristic
     to select `AddFontDefaultVector()` by default, effectively using ProggyForever instead of
@@ -73,6 +83,16 @@ Other Changes:
   - Amended context menu right-click opening code to check that the right-click
     hasn't been owned by another items. This is more correct and also necessary
     to avoid Drags/Sliders cancelling also triggering a cancel menu. (#8564, #9534)
+- ImGuiTextFilter:
+  - Added support for space ' ' as separator, which is more standard. (#2435, #30)
+  - Added support for quoted "xxx" blocks to e.g. match words sequences. (#2435)
+  - Fixed filtering when mixing "include" and "-exclude" keyword so that an "-exclude"
+    match always filters out. (#2435) [@kudaba, @ocornut]
+  - Added `DrawWithHint()` function. (#6206, #6395, #6447)
+  - Added a "incl -excl" hint by default when the search field is empty. (#6206, #6395, #6447)
+- Style:
+  - Inverted `ImGuiCol_TitleBgXXX` colors for `StyleColorsLight()` so that the selected
+    window title bar appears brighter.
 - Misc:
   - Added `ImGuiItemFlags_MixedValue` flag for representing mixed/indeterminate values.
     Supported by: Checkbox(), RadioButton(), DragXXX(), SliderXXX(), InputXXX(), ColorXXX()
@@ -87,19 +107,34 @@ Other Changes:
     and various operators.
   - IO: restore default clipboard/ime/shell platform handlers on ClearPlatformHandlers(), fixing
     issues switching backends mid-session to one relying on default. (#9537, #8945, #2769) [@lstalmir]
-- ImDrawList:
+- DrawList:
   - Per-viewport FramebufferScale for Apple/Retina screen is applied to draw lists:
     - AA Fringe is scaled accordingly.
     - Circle and Curves tessellation error are scaled accordingly.
   - Reworked assert in PushTexture() to allow convenience grace period of using a
     texture that was queue for destroy during the frame. Make it safe to stick to
     an existing texture during the frame. (#9528, #8465)
+  - Added optional `platform_io.DrawCallback_SetSamplerFromTex` standard backend-agnostic
+    draw callback for requesting to use the sampler associated already associated to a texture.
+    Currently only supported by the OpenGL2/3 and SDLRenderer3 backend. (#9378)
 - Demo:
   - Added `Widgets->Mixed Values` section. (#5518, #5677, #6865)
+  - Style Editor: fixed style/colors combo box applying style when opening Combo.
 - Backends:
   - QNX: added QNX Screen backend. (#9492) [@mgorchak-blackberry]
+  - OpenGL2, OpenGL3: added support for `platform_io.DrawCallback_SetSamplerFromTex` draw
+    callback to request using the sampler associated already associated to a texture. (#9378)
+  - OpenGL2, OpenGL3: fixed `DrawCallback_ResetRenderState` handler not reseting all states
+    in the glTexParameter() path. (#9378)
   - SDL2: fixed querying framebuffer scale/density when using Metal without
     going through a SDL_Renderer. (#5592) [@lailoken]
+  - SDLRenderer3: restore any temporarily modified texture scale modes at the of `RenderDrawData()`. (#9378)
+  - SDLRenderer3: expose CurrentScaleMode in ImGui_ImplSDLRenderer3_RenderState. (#9543, #9378) [@Clownacy]
+  - SDLRenderer3: added support for `platform_io.DrawCallback_SetSamplerFromTex` draw callback to request
+    using the sampler associated already associated to a texture via `SDL_SetTextureScaleMode()`. (#9378)
+    It is equivalent to setting `render_state->CurrentScaleMode = SDL_SCALEMODE_INVALID`.
+    Note: this  callback is only supported by selected rendering backends: most other graphics API
+    don't have the equivalent of `SDL_SetTextureScaleMode()` and the callback won't work with them.
   - Vulkan: added for support for multiple Vulkan contexts with custom loaders. (#6616) [@lstalmir]
   - WebGPU: fixed passing non-integer sizes to `wgpuRenderPassEncoderSetViewport()`
     when when `FramebufferScale` is >1.0f. (#9515, #8628) [@WayU]

imgui.cpp

@@ -402,6 +402,8 @@ IMPLEMENTING SUPPORT for ImGuiBackendFlags_RendererHasTextures:
                             you may use GetMainViewport()->Pos to offset hard-coded positions, e.g. SetNextWindowPos(GetMainViewport()->Pos)
                           - likewise io.MousePos and GetMousePos() will use OS coordinates.
                             If you query mouse positions to interact with non-imgui coordinates you will need to offset them, e.g. subtract GetWindowViewport()->Pos.
+
+ - 2026/09/18 (1.93.0) - ImGuiTextFilter: removed `float width` parameter of `Draw(const char* filter, float width)`: prefer using `SetNextItemWidth(float)` which is standard. Kept inline redirection function.
  - 2026/08/03 (1.93.0) - Style: obsoleted `style.CurveTessellationTol (default 1.25)` which was in Pixels² unit in favor of `style.CurveTessellationMaxError` (default 1.12)` which is in Pixels unit.
                          - style.CurveTessellationMaxError == sqrf(style.CurveTessellationTol).
  - 2026/07/20 (1.92.9) - DragXXX, SliderXXX, InputScalar: with `ImGuiItemFlags_LiveEditOnInputScalar` now defaulting to being disabled:
@@ -3154,11 +3156,13 @@ IM_MSVC_RUNTIME_CHECKS_RESTORE
 // [SECTION] ImGuiTextFilter
 //-----------------------------------------------------------------------------
 
-// Helper: Parse and apply text filters. In format "aaaaa[,bbbb][,ccccc]"
+// Helper: Parse and apply text filters e.g. 'aaa bbb -ccc'.
 ImGuiTextFilter::ImGuiTextFilter(const char* default_filter) //-V1077
 {
     InputBuf[0] = 0;
-    CountGrep = 0;
+    FilterOp = '|';
+    MinWordSize = 1;
+    _CountExclude = _CountInclude = 0;
     if (default_filter)
     {
         ImStrncpy(InputBuf, default_filter, IM_COUNTOF(InputBuf));
@@ -3166,85 +3170,93 @@ ImGuiTextFilter::ImGuiTextFilter(const char* default_filter) //-V1077
     }
 }
 
-bool ImGuiTextFilter::Draw(const char* label, float width)
+bool ImGuiTextFilter::Draw(const char* label)
 {
-    if (width != 0.0f)
+    return DrawWithHint(label, "incl -excl");
-        ImGui::SetNextItemWidth(width);
+}
-    bool value_changed = ImGui::InputText(label, InputBuf, IM_COUNTOF(InputBuf));
+
+// Use ImGui::SetNextItemWidth() manually if you want to use this.
+bool ImGuiTextFilter::DrawWithHint(const char* label, const char* hint)
+{
+    bool value_changed = ImGui::InputTextWithHint(label, hint, InputBuf, IM_COUNTOF(InputBuf));
     if (value_changed)
         Build();
     return value_changed;
 }
 
-void ImGuiTextFilter::ImGuiTextRange::split(char separator, ImVector<ImGuiTextRange>* out) const
+// Parse filter and split into items
-{
-    out->resize(0);
-    const char* wb = b;
-    const char* we = wb;
-    while (we < e)
-    {
-        if (*we == separator)
-        {
-            out->push_back(ImGuiTextRange(wb, we));
-            wb = we + 1;
-        }
-        we++;
-    }
-    if (wb != we)
-        out->push_back(ImGuiTextRange(wb, we));
-}
-
 void ImGuiTextFilter::Build()
 {
-    Filters.resize(0);
+    _Items.resize(0);
-    ImGuiTextRange input_range(InputBuf, InputBuf + ImStrlen(InputBuf));
+    _CountExclude = _CountInclude = 0;
-    input_range.split(',', &Filters);
+    IM_ASSERT(FilterOp == '|' || FilterOp == '&');
-
+    const char* buf_e = InputBuf + ImStrlen(InputBuf);
-    CountGrep = 0;
+    const char* word_e;
-    for (ImGuiTextRange& f : Filters)
+    for (const char* word_b = InputBuf; word_b < buf_e; word_b = word_e + 1)
     {
-        while (f.b < f.e && ImCharIsBlankA(f.b[0]))
+        // Trim blanks
-            f.b++;
+        while (word_b < buf_e && ImCharIsBlankA(word_b[0])) // FIXME: UTF-8 support
-        while (f.e > f.b && ImCharIsBlankA(f.e[-1]))
+            word_b++;
-            f.e--;
+        const bool is_excl = (word_b < buf_e && word_b[0] == '-');
-        if (f.empty())
+        if (is_excl)
+            word_b++;
+        const bool is_quote = (word_b < buf_e && word_b[0] == '\"');
+        if (is_quote)
+        {
+            // Parsing quotes. Omit storing leading/trailing quotes.
+            word_e = ImStrchrRange(++word_b, buf_e, '\"');
+            if (word_e == NULL)
+                word_e = buf_e;
+        }
+        else
+        {
+            // Handle both ' ' and ',' separators.
+            for (word_e = word_b; word_e < buf_e; word_e++)
+                if (*word_e == ' ' || *word_e == ',')
+                    break;
+        }
+
+        // Min length
+        if (word_e - word_b < MinWordSize)
             continue;
-        if (f.b[0] != '-')
+
-            CountGrep += 1;
+        // Add to list
+        // The '-' is not stored in items but implicitly inferred using (n < CountExclude).
+        // FIXME-OPT: about ~push_front(): as N is derived from user inputs we expect this to be fine.
+        _Items.insert(is_excl ? _Items.Data : _Items.Data + _Items.Size, ImGuiTextFilter::ImGuiTextFilterItem(word_b, word_e));
+        if (is_excl)
+            _CountExclude++;
+        else
+            _CountInclude++;
     }
 }
 
 bool ImGuiTextFilter::PassFilter(const char* text, const char* text_end) const
 {
-    if (Filters.Size == 0)
+    if (_Items.Size == 0)
         return true;
-
     if (text == NULL)
         text = text_end = "";
 
-    for (const ImGuiTextRange& f : Filters)
+    // Filters are sorted so that '-' ones are always leading.
+    int n;
+    for (n = 0; n < _CountExclude; n++)
+        if (ImStristr(text, text_end, _Items.Data[n].Begin, _Items.Data[n].End) != NULL)
+            return false;
+    const bool is_and_filter = (FilterOp == '&');
+    for (; n < _Items.Size; n++)
     {
-        if (f.b == f.e)
+        const bool is_match = ImStristr(text, text_end, _Items.Data[n].Begin, _Items.Data[n].End) != NULL;
-            continue;
+        if (is_match && !is_and_filter)     //  or   incl  1  -> true
-        if (f.b[0] == '-')
+            return true;                    //  or   incl  0  -> continue
-        {
+        if (!is_match && is_and_filter)     //  and  incl  1  -> continue
-            // Subtract
+            return false;                   //  and  incl  0  -> false
-            if (ImStristr(text, text_end, f.b + 1, f.e) != NULL)
-                return false;
-        }
-        else
-        {
-            // Grep
-            if (ImStristr(text, text_end, f.b, f.e) != NULL)
-                return true;
-        }
     }
 
-    // Implicit * grep
+    // When no inclusion are specified (only exclusions) we implicitly pass
-    if (CountGrep == 0)
+    if (_CountInclude == 0)
         return true;
-
+    return is_and_filter;
-    return false;
 }
 
 //-----------------------------------------------------------------------------
@@ -4420,7 +4432,7 @@ ImGuiContext::ImGuiContext(ImFontAtlas* shared_font_atlas)
 
     NavJustMovedFromFocusScopeId = NavJustMovedToId = NavJustMovedToFocusScopeId = 0;
     NavJustMovedToKeyMods = ImGuiMod_None;
-    NavJustMovedToIsTabbing = false;
+    NavJustMovedToIsTabbing = NavJustMovedToIsInit = false;
     NavJustMovedToHasSelectionData = false;
 
     // All platforms use Ctrl+Tab but Ctrl<>Super are swapped on Mac...
@@ -14885,6 +14897,7 @@ void ImGui::NavInitRequestApplyResult()
         g.NavJustMovedToFocusScopeId = result->FocusScopeId;
         g.NavJustMovedToKeyMods = 0;
         g.NavJustMovedToIsTabbing = false;
+        g.NavJustMovedToIsInit = true;
         g.NavJustMovedToHasSelectionData = (result->ItemFlags & ImGuiItemFlags_HasSelectionUserData) != 0;
     }
 
@@ -15152,6 +15165,7 @@ void ImGui::NavMoveRequestApplyResult()
         g.NavJustMovedToFocusScopeId = result->FocusScopeId;
         g.NavJustMovedToKeyMods = g.NavMoveKeyMods;
         g.NavJustMovedToIsTabbing = (g.NavMoveFlags & ImGuiNavMoveFlags_IsTabbing) != 0;
+        g.NavJustMovedToIsInit = false;
         g.NavJustMovedToHasSelectionData = (result->ItemFlags & ImGuiItemFlags_HasSelectionUserData) != 0;
         //IMGUI_DEBUG_LOG_NAV("[nav] NavJustMovedFromFocusScopeId = 0x%08X, NavJustMovedToFocusScopeId = 0x%08X\n", g.NavJustMovedFromFocusScopeId, g.NavJustMovedToFocusScopeId);
     }
@@ -16078,17 +16092,9 @@ const ImGuiPayload* ImGui::AcceptDragDropPayload(const char* type, ImGuiDragDrop
     flags |= (g.DragDropSourceFlags & ImGuiDragDropFlags_AcceptNoDrawDefaultRect); // Source can also inhibit the preview (useful for external sources that live for 1 frame)
     const bool draw_target_rect = payload.Preview && !(flags & ImGuiDragDropFlags_AcceptNoDrawDefaultRect);
     if (draw_target_rect && g.DragDropTargetFullViewport != 0)
-    {
+        RenderDragDropTargetRectForViewport(g.DragDropTargetFullViewport, g.DragDropTargetRect);
-        ImGuiViewport* viewport = FindViewportByID(g.DragDropTargetFullViewport);
-        IM_ASSERT(viewport != NULL);
-        ImRect bb = g.DragDropTargetRect;
-        bb.Expand(-3.5f);
-        RenderDragDropTargetRectEx(GetForegroundDrawList(viewport), bb, g.Style.DragDropTargetRounding);
-    }
     else if (draw_target_rect)
-    {
         RenderDragDropTargetRectForItem(r);
-    }
 
     g.DragDropAcceptFrameCount = g.FrameCount;
     if ((g.DragDropSourceFlags & ImGuiDragDropFlags_SourceExtern) && g.DragDropMouseButton == -1)
@@ -16119,6 +16125,16 @@ void ImGui::RenderDragDropTargetRectForItem(const ImRect& bb)
         window->DrawList->PopClipRect();
 }
 
+void ImGui::RenderDragDropTargetRectForViewport(ImGuiID viewport_id, const ImRect& bb)
+{
+    ImGuiContext& g = *GImGui;
+    ImGuiViewport* viewport = FindViewportByID(viewport_id);
+    IM_ASSERT(viewport != NULL);
+    ImRect bb_padded = bb;
+    bb_padded.Expand(-g.Style.DragDropTargetPadding);
+    RenderDragDropTargetRectEx(GetForegroundDrawList(viewport), bb_padded, g.Style.DragDropTargetRounding);
+}
+
 void ImGui::RenderDragDropTargetRectEx(ImDrawList* draw_list, const ImRect& bb, float rounding)
 {
     ImGuiContext& g = *GImGui;
@@ -16898,7 +16914,7 @@ void ImGuiPlatformIO::ClearRendererHandlers()
     Renderer_CreateWindow = Renderer_DestroyWindow = NULL;
     Renderer_SetWindowSize = NULL;
     Renderer_RenderWindow = Renderer_SwapBuffers = NULL;
-    DrawCallback_ResetRenderState = DrawCallback_SetSamplerLinear = DrawCallback_SetSamplerNearest = NULL;
+    DrawCallback_ResetRenderState = DrawCallback_SetSamplerLinear = DrawCallback_SetSamplerNearest = DrawCallback_SetSamplerFromTex = NULL;
 }
 
 ImGuiViewport* ImGui::GetMainViewport()

imgui.h

@@ -2919,30 +2919,37 @@ struct ImGuiOnceUponAFrame
     operator bool() const { int current_frame = ImGui::GetFrameCount(); if (RefFrame == current_frame) return false; RefFrame = current_frame; return true; }
 };
 
-// Helper: Parse and apply text filters. In format "aaaaa[,bbbb][,ccccc]"
+// Helper: Parse and apply text filters e.g. 'aaa bbb -ccc'.
 struct ImGuiTextFilter
 {
     IMGUI_API           ImGuiTextFilter(const char* default_filter = "");
-    IMGUI_API bool      Draw(const char* label = "Filter (inc,-exc)", float width = 0.0f);  // Helper calling InputText+Build
     IMGUI_API bool      PassFilter(const char* text, const char* text_end = NULL) const;
-    IMGUI_API void      Build();
+    IMGUI_API void      Build();                                        // Update internal data when filter changes
-    void                Clear()          { InputBuf[0] = 0; Build(); }
+    inline void         Clear()          { InputBuf[0] = 0; Build(); }  // Clear filter
-    bool                IsActive() const { return !Filters.empty(); }
+    inline bool         IsActive() const { return _Items.Size != 0; }   // Useful if you need e.g. an alternative code-path when there are no filters
 
-    // [Internal]
+    // Helper to call InputText() + Build() when buffer is changed.
-    struct ImGuiTextRange
+    IMGUI_API bool      Draw(const char* label = "Filter");
+    IMGUI_API bool      DrawWithHint(const char* label = "Filter", const char* hint = "incl -excl");
+#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS
+    inline bool         Draw(const char* label, float width)            { if (width != 0.0f) ImGui::SetNextItemWidth(width); return Draw(label); }
+#endif
+
+    // [Internal] Don't use! Will be replaced with ImStrv.
+    struct ImGuiTextFilterItem
     {
-        const char*     b;
+        const char*     Begin;
-        const char*     e;
+        const char*     End;
-
+        ImGuiTextFilterItem(const char* b, const char* e) { Begin = b; End = e; }
-        ImGuiTextRange()                                { b = e = NULL; }
-        ImGuiTextRange(const char* _b, const char* _e)  { b = _b; e = _e; }
-        bool            empty() const                   { return b == e; }
-        IMGUI_API void  split(char separator, ImVector<ImGuiTextRange>* out) const;
     };
-    char                    InputBuf[256];
+
-    ImVector<ImGuiTextRange>Filters;
+    // [Internal] Members
-    int                     CountGrep;
+    char                InputBuf[256];      // User input buffer
+    char                FilterOp;           // == '|' (any) pr '&' (all)
+    ImU8                MinWordSize;        // == 1
+    int                 _CountExclude;      // >= 0
+    int                 _CountInclude;      // >= 0
+    ImVector<ImGuiTextFilterItem> _Items;   // Pre-parsed, trimmed, reordered items
 };
 
 // Helper: Growable text buffer for logging/accumulating text
@@ -4324,6 +4331,7 @@ struct ImGuiPlatformIO
     ImDrawCallback  DrawCallback_ResetRenderState;      // Request to reset the graphics/render state.
     ImDrawCallback  DrawCallback_SetSamplerLinear;      // Request backend to set texture sampling to Linear.
     ImDrawCallback  DrawCallback_SetSamplerNearest;     // Request backend to set texture sampling to Nearest/Point.
+    ImDrawCallback  DrawCallback_SetSamplerFromTex;     // Request backend to use sampler associated to texture - only available in some backends: OpenGL2/3 and SDLRenderer3.
     //ImDrawCallback  DrawCallback_SetSamplerCustom;    // Request backend to set texture sampling using Backend Specific data.
 
     //------------------------------------------------------------------

imgui_demo.cpp

@@ -1523,7 +1523,8 @@ static void DemoWindowWidgetsComboBoxes()
                 filter.Clear();
             }
             ImGui::SetNextItemShortcut(ImGuiMod_Ctrl | ImGuiKey_F);
-            filter.Draw("##Filter", -FLT_MIN);
+            ImGui::SetNextItemWidth(-FLT_MIN);
+            filter.DrawWithHint("##Filter", "Filter (incl -excl)");
 
             for (int n = 0; n < IM_COUNTOF(items); n++)
             {
@@ -3830,11 +3831,13 @@ static void DemoWindowWidgetsTabs()
             // but they tend to make more sense together)
             static bool show_leading_button = true;
             static bool show_trailing_button = true;
+            static bool show_leading_trailing_tabs = false;
             ImGui::Checkbox("Show Leading TabItemButton()", &show_leading_button);
             ImGui::Checkbox("Show Trailing TabItemButton()", &show_trailing_button);
+            ImGui::Checkbox("Show Leading+Trailing TabItem()", &show_leading_trailing_tabs);
 
             // Expose some other flags which are useful to showcase how they interact with Leading/Trailing tabs
-            static ImGuiTabBarFlags tab_bar_flags = ImGuiTabBarFlags_AutoSelectNewTabs | ImGuiTabBarFlags_Reorderable | ImGuiTabBarFlags_FittingPolicyShrink;
+            static ImGuiTabBarFlags tab_bar_flags = ImGuiTabBarFlags_AutoSelectNewTabs | ImGuiTabBarFlags_Reorderable | ImGuiTabBarFlags_FittingPolicyMixed;
             EditTabBarFittingPolicyFlags(&tab_bar_flags);
 
             if (ImGui::BeginTabBar("MyTabBar", tab_bar_flags))
@@ -3849,6 +3852,15 @@ static void DemoWindowWidgetsTabs()
                     ImGui::EndPopup();
                 }
 
+                // Demo Leading/Trailing Tabs
+                if (show_leading_trailing_tabs)
+                {
+                    if (ImGui::BeginTabItem("Leading", NULL, ImGuiTabItemFlags_Leading))
+                        ImGui::EndTabItem();
+                    if (ImGui::BeginTabItem("Trailing", NULL, ImGuiTabItemFlags_Trailing))
+                        ImGui::EndTabItem();
+                }
+
                 // Demo Trailing Tabs: click the "+" button to add a new tab.
                 // (In your app you may want to use a font icon instead of the "+")
                 // We submit it before the regular tabs, but thanks to the ImGuiTabItemFlags_Trailing flag it will always appear at the end.
@@ -4020,7 +4032,8 @@ static void DemoWindowWidgetsTextFilter()
             "  \"xxx\"      display lines containing \"xxx\"\n"
             "  \"xxx,yyy\"  display lines containing \"xxx\" or \"yyy\"\n"
             "  \"-xxx\"     hide lines containing \"xxx\"");
-        filter.Draw();
+        ImGui::SetNextItemWidth(-FLT_MIN);
+        filter.DrawWithHint("##Filter", "Filter (incl -excl)");
         const char* lines[] = { "aaa1.c", "bbb1.c", "ccc1.c", "aaa2.cpp", "bbb2.cpp", "ccc2.cpp", "abc.h", "hello, world" };
         for (int i = 0; i < IM_COUNTOF(lines); i++)
             if (filter.PassFilter(lines[i]))
@@ -8923,9 +8936,6 @@ void ImGui::ShowStyleEditor(ImGuiStyle* ref)
             SameLine(); SetNextItemWidth(GetFontSize() * 10); Combo("##output_type", &output_dest, "To Clipboard\0To TTY\0");
             SameLine(); Checkbox("Only Modified Colors", &output_only_modified);
 
-            static ImGuiTextFilter filter;
-            filter.Draw("Filter colors", GetFontSize() * 16);
-
             static ImGuiColorEditFlags alpha_flags = 0;
             if (RadioButton("Opaque", alpha_flags == ImGuiColorEditFlags_AlphaOpaque))       { alpha_flags = ImGuiColorEditFlags_AlphaOpaque; } SameLine();
             if (RadioButton("Alpha",  alpha_flags == ImGuiColorEditFlags_None))              { alpha_flags = ImGuiColorEditFlags_None; } SameLine();
@@ -8935,6 +8945,10 @@ void ImGui::ShowStyleEditor(ImGuiStyle* ref)
                 "Left-click on color square to open color picker,\n"
                 "Right-click to open edit options menu.");
 
+            static ImGuiTextFilter filter;
+            SetNextItemWidth(-FLT_MIN);
+            filter.DrawWithHint("##FilterColors", "Filter Colors (incl -excl)");
+
             SetNextWindowSizeConstraints(ImVec2(0.0f, GetTextLineHeightWithSpacing() * 10), ImVec2(FLT_MAX, FLT_MAX));
             BeginChild("##colors", ImVec2(0, 0), ImGuiChildFlags_Borders | ImGuiChildFlags_NavFlattened, ImGuiWindowFlags_AlwaysVerticalScrollbar | ImGuiWindowFlags_AlwaysHorizontalScrollbar);
             PushItemWidth(GetFontSize() * -12);
@@ -9347,7 +9361,10 @@ struct ExampleAppConsole
         if (ImGui::Button("Options"))
             ImGui::OpenPopup("Options");
         ImGui::SameLine();
-        Filter.Draw("Filter (\"incl,-excl\") (\"error\")", 180);
+
+        ImGui::SetNextItemShortcut(ImGuiMod_Ctrl | ImGuiKey_F, ImGuiInputFlags_Tooltip);
+        ImGui::SetNextItemWidth(-FLT_MIN);
+        Filter.DrawWithHint("##Filter", "Filter (incl -excl)");
         ImGui::Separator();
 
         // Reserve enough left-over height for 1 separator + 1 input text
@@ -9682,7 +9699,8 @@ struct ExampleAppLog
         ImGui::SameLine();
         bool copy = ImGui::Button("Copy");
         ImGui::SameLine();
-        Filter.Draw("Filter", -100.0f);
+        ImGui::SetNextItemWidth(-FLT_MIN);
+        Filter.DrawWithHint("##Filter", "Filter (incl -excl)");
 
         ImGui::Separator();
 
@@ -9877,7 +9895,7 @@ struct ExampleAppPropertyEditor
             ImGui::Text("(%d root nodes)", root_node->Childs.Size);
             ImGui::SetNextItemWidth(-FLT_MIN);
             ImGui::SetNextItemShortcut(ImGuiMod_Ctrl | ImGuiKey_F, ImGuiInputFlags_Tooltip);
-            if (ImGui::InputTextWithHint("##Filter", "incl,-excl", Filter.InputBuf, IM_COUNTOF(Filter.InputBuf), ImGuiInputTextFlags_EscapeClearsAll))
+            if (ImGui::InputTextWithHint("##Filter", "incl -excl", Filter.InputBuf, IM_COUNTOF(Filter.InputBuf), ImGuiInputTextFlags_EscapeClearsAll))
                 Filter.Build();
             ImGui::PopItemFlag();
 

imgui_draw.cpp

@@ -340,9 +340,9 @@ void ImGui::StyleColorsLight(ImGuiStyle* dst)
     colors[ImGuiCol_FrameBg]                = ImVec4(1.00f, 1.00f, 1.00f, 1.00f);
     colors[ImGuiCol_FrameBgHovered]         = ImVec4(0.26f, 0.59f, 0.98f, 0.40f);
     colors[ImGuiCol_FrameBgActive]          = ImVec4(0.26f, 0.59f, 0.98f, 0.67f);
-    colors[ImGuiCol_TitleBg]                = ImVec4(0.96f, 0.96f, 0.96f, 1.00f);
+    colors[ImGuiCol_TitleBg]                = ImVec4(0.82f, 0.82f, 0.82f, 1.00f);
-    colors[ImGuiCol_TitleBgActive]          = ImVec4(0.82f, 0.82f, 0.82f, 1.00f);
+    colors[ImGuiCol_TitleBgActive]          = ImVec4(1.00f, 1.00f, 1.00f, 1.00f);
-    colors[ImGuiCol_TitleBgCollapsed]       = ImVec4(1.00f, 1.00f, 1.00f, 0.51f);
+    colors[ImGuiCol_TitleBgCollapsed]       = ImVec4(1.00f, 1.00f, 1.00f, 0.43f);
     colors[ImGuiCol_MenuBarBg]              = ImVec4(0.86f, 0.86f, 0.86f, 1.00f);
     colors[ImGuiCol_ScrollbarBg]            = ImVec4(0.98f, 0.98f, 0.98f, 0.53f);
     colors[ImGuiCol_ScrollbarGrab]          = ImVec4(0.69f, 0.69f, 0.69f, 0.80f);

imgui_internal.h

@@ -418,7 +418,7 @@ IMGUI_API const char*   ImStrSkipBlank(const char* str);
 IMGUI_API int           ImStrlenW(const ImWchar* str);                                      // Computer string length (ImWchar string)
 IMGUI_API const char*   ImStrbol(const char* buf_mid_line, const char* buf_begin);          // Find beginning-of-line
 IM_MSVC_RUNTIME_CHECKS_OFF
-inline char             ImToUpper(char c)               { return (c >= 'a' && c <= 'z') ? c &= ~32 : c; }
+inline char             ImToUpper(char c)               { return (c >= 'a' && c <= 'z') ? c & ~32 : c; }
 inline bool             ImCharIsBlankA(char c)          { return c == ' ' || c == '\t'; }
 inline bool             ImCharIsBlankW(unsigned int c)  { return c == ' ' || c == '\t' || c == 0x3000; }
 inline bool             ImCharIsXdigitA(char c)         { return (c >= '0' && c <= '9') || (c >= 'A' && c <= 'F') || (c >= 'a' && c <= 'f'); }
@@ -2651,6 +2651,7 @@ struct ImGuiContext
     ImGuiID                 NavJustMovedToFocusScopeId;         // Just navigated to this focus scope id (result of a successfully MoveRequest).
     ImGuiKeyChord           NavJustMovedToKeyMods;
     bool                    NavJustMovedToIsTabbing;            // Copy of ImGuiNavMoveFlags_IsTabbing. Maybe we should store whole flags.
+    bool                    NavJustMovedToIsInit;               // Copy of ImGuiNavMoveFlags_IsTabbing. Maybe we should store whole flags.
     bool                    NavJustMovedToHasSelectionData;     // Copy of move result's ItemFlags & ImGuiItemFlags_HasSelectionUserData). Maybe we should just store ImGuiNavItemData.
 
     // Navigation: extra config options (will be made public eventually)
@@ -3588,7 +3589,7 @@ namespace ImGui
     // - You are calling ImGui functions after ImGui::EndFrame()/ImGui::Render() and before the next ImGui::NewFrame(), which is also illegal.
     IMGUI_API ImGuiIO&         GetIO(ImGuiContext* ctx);
     IMGUI_API ImGuiPlatformIO& GetPlatformIO(ImGuiContext* ctx);
-    inline    float         GetScale()                  { ImGuiContext& g = *GImGui; return g.Style._MainScale; } // FIXME-DPI: I don't want to formalize this just yet. Because reasons. Please don't use.
+    inline    float         GetScale()                  { ImGuiContext& g = *GImGui; return g.Style._MainScale; } // FIXME-DPI: PLEASE DO NOT USE. I don't want to formalize this just yet. Because reasons.
     inline    ImGuiWindow*  GetCurrentWindowRead()      { ImGuiContext& g = *GImGui; return g.CurrentWindow; }
     inline    ImGuiWindow*  GetCurrentWindow()          { ImGuiContext& g = *GImGui; g.CurrentWindow->WriteAccessed = true; return g.CurrentWindow; }
     IMGUI_API ImGuiWindow*  FindWindowByID(ImGuiID id);
@@ -3966,6 +3967,7 @@ namespace ImGui
     IMGUI_API void          ClearDragDrop();
     IMGUI_API bool          IsDragDropPayloadBeingAccepted();
     IMGUI_API void          RenderDragDropTargetRectForItem(const ImRect& bb);
+    IMGUI_API void          RenderDragDropTargetRectForViewport(ImGuiID viewport_id, const ImRect& bb);
     IMGUI_API void          RenderDragDropTargetRectEx(ImDrawList* draw_list, const ImRect& bb, float rounding);
 
     // Typing-Select API
@@ -3999,6 +4001,7 @@ namespace ImGui
     IMGUI_API ImGuiTabItem* TabBarGetCurrentTab(ImGuiTabBar* tab_bar);
     inline int              TabBarGetTabOrder(ImGuiTabBar* tab_bar, ImGuiTabItem* tab) { return tab_bar->Tabs.index_from_ptr(tab); }
     IMGUI_API const char*   TabBarGetTabName(ImGuiTabBar* tab_bar, ImGuiTabItem* tab);
+    IMGUI_API ImVec2        TabBarGetTabPos(ImGuiTabBar* tab_bar, ImGuiTabItem* tab);
     IMGUI_API void          TabBarAddTab(ImGuiTabBar* tab_bar, ImGuiTabItemFlags tab_flags, ImGuiWindow* window);
     IMGUI_API void          TabBarRemoveTab(ImGuiTabBar* tab_bar, ImGuiID tab_id);
     IMGUI_API void          TabBarCloseTab(ImGuiTabBar* tab_bar, ImGuiTabItem* tab);

imgui_widgets.cpp

@@ -3184,18 +3184,18 @@ bool ImGui::SliderBehaviorT(const ImRect& bb, ImGuiID id, ImGuiDataType data_typ
         float clicked_t = 0.0f;
         if (g.ActiveIdSource == ImGuiInputSource_Mouse)
         {
-            const float mouse_abs_pos = g.IO.MousePos[axis];
+            const float mouse_pos = g.IO.MousePos[axis];
             if (g.ActiveIdIsJustActivated)
             {
                 float grab_t = ScaleRatioFromValueT<TYPE, SIGNEDTYPE, FLOATTYPE>(data_type, *v, v_min, v_max, logarithmic_zero_epsilon, zero_deadzone_halfsize);
                 if (axis == ImGuiAxis_Y)
                     grab_t = 1.0f - grab_t;
                 const float grab_pos = ImLerp(slider_usable_pos_min, slider_usable_pos_max, grab_t);
-                const bool clicked_around_grab = (mouse_abs_pos >= grab_pos - grab_sz * 0.5f - 1.0f) && (mouse_abs_pos <= grab_pos + grab_sz * 0.5f + 1.0f); // No harm being extra generous here.
+                const bool clicked_around_grab = (mouse_pos >= grab_pos - grab_sz * 0.5f - 1.0f) && (mouse_pos <= grab_pos + grab_sz * 0.5f + 1.0f); // No harm being extra generous here.
-                g.SliderGrabClickOffset = (clicked_around_grab && is_floating_point) ? mouse_abs_pos - grab_pos : 0.0f;
+                g.SliderGrabClickOffset = (clicked_around_grab && is_floating_point) ? mouse_pos - grab_pos : 0.0f;
             }
             if (slider_usable_sz > 0.0f)
-                clicked_t = ImSaturate((mouse_abs_pos - g.SliderGrabClickOffset - slider_usable_pos_min) / slider_usable_sz);
+                clicked_t = ImSaturate((mouse_pos - g.SliderGrabClickOffset - slider_usable_pos_min) / slider_usable_sz);
             if (axis == ImGuiAxis_Y)
                 clicked_t = 1.0f - clicked_t;
             set_new_value = true;
@@ -7623,7 +7623,7 @@ bool ImGui::Selectable(const char* label, bool selected, ImGuiSelectableFlags fl
         //   - (1) it would require focus scope to be set, need exposing PushFocusScope() or equivalent (e.g. BeginSelection() calling PushFocusScope())
         //   - (2) usage will fail with clipped items
         //   The multi-select API aim to fix those issues, e.g. may be replaced with a BeginSelection() API.
-        if ((flags & ImGuiSelectableFlags_SelectOnNav) && g.NavJustMovedToId != 0 && g.NavJustMovedToFocusScopeId == g.CurrentFocusScopeId)
+        if ((flags & ImGuiSelectableFlags_SelectOnNav) && g.NavJustMovedToId != 0 && g.NavJustMovedToFocusScopeId == g.CurrentFocusScopeId && !g.NavJustMovedToIsInit)
             if (g.NavJustMovedToId == id && (g.NavJustMovedToKeyMods & ImGuiMod_Ctrl) == 0)
                 selected = pressed = auto_selected = true;
     }
@@ -10235,16 +10235,17 @@ static void ImGui::TabBarLayout(ImGuiTabBar* tab_bar)
     }
 
     // Horizontal scrolling buttons
-    // Important: note that TabBarScrollButtons() will alter BarRect.Max.x.
+    // - Important: note that TabBarScrollButtons() will alter BarRect.Max.x.
+    // - Selection skips buttons and might cross through sections if there are Tabs in Leading/Trailing sections.
     const bool can_scroll = (tab_bar->Flags & ImGuiTabBarFlags_FittingPolicyScroll) || (tab_bar->Flags & ImGuiTabBarFlags_FittingPolicyMixed);
     const float width_all_tabs_to_use_for_scroll = (tab_bar->Flags & ImGuiTabBarFlags_FittingPolicyScroll) ? tab_bar->WidthAllTabs : width_all_tabs_after_min_width_shrink;
     tab_bar->ScrollButtonEnabled = ((width_all_tabs_to_use_for_scroll > tab_bar->BarRect.GetWidth() && tab_bar->Tabs.Size > 1) && !(tab_bar->Flags & ImGuiTabBarFlags_NoTabListScrollingButtons) && can_scroll);
     if (tab_bar->ScrollButtonEnabled)
         if (ImGuiTabItem* scroll_and_select_tab = TabBarScrollingButtons(tab_bar))
         {
-            scroll_to_tab_id = scroll_and_select_tab->ID;
             if ((scroll_and_select_tab->Flags & ImGuiTabItemFlags_Button) == 0)
-                tab_bar->SelectedTabId = scroll_to_tab_id;
+                tab_bar->SelectedTabId = scroll_and_select_tab->ID;
+            scroll_to_tab_id = scroll_and_select_tab->ID;
         }
     if (scroll_to_tab_id == 0 && scroll_to_selected_tab)
         scroll_to_tab_id = tab_bar->SelectedTabId;
@@ -10437,6 +10438,14 @@ const char* ImGui::TabBarGetTabName(ImGuiTabBar* tab_bar, ImGuiTabItem* tab)
     return tab_bar->TabsNames.Buf.Data + tab->NameOffset;
 }
 
+ImVec2 ImGui::TabBarGetTabPos(ImGuiTabBar* tab_bar, ImGuiTabItem* tab)
+{
+    if ((tab->Flags & ImGuiTabItemFlags_SectionMask_) == 0)
+        return tab_bar->BarRect.Min + ImVec2(IM_TRUNC(tab->Offset - tab_bar->ScrollingAnim), 0.0f);
+    else
+        return tab_bar->BarRect.Min + ImVec2(tab->Offset, 0.0f);
+}
+
 // The purpose of this call is to register tab in advance so we can control their order at the time they appear.
 // Otherwise calling this is unnecessary as tabs are appending as needed by the BeginTabItem() function.
 void ImGui::TabBarAddTab(ImGuiTabBar* tab_bar, ImGuiTabItemFlags tab_flags, ImGuiWindow* window)
@@ -10505,11 +10514,20 @@ static void ImGui::TabBarScrollToTab(ImGuiTabBar* tab_bar, ImGuiID tab_id, ImGui
     ImGuiTabItem* tab = TabBarFindTabByID(tab_bar, tab_id);
     if (tab == NULL)
         return;
+
+    // Clamp attempt to scroll to leading/trailing sections items.
+    // This could be done at the TabBarScrollingButtons() call site as well, but here works.
+    if (tab->Flags & ImGuiTabItemFlags_Leading)
+        tab = &tab_bar->Tabs[sections[0].TabCount];
+    else if (tab->Flags & ImGuiTabItemFlags_Trailing)
+        tab = &tab_bar->Tabs[sections[0].TabCount + sections[1].TabCount];
     if (tab->Flags & ImGuiTabItemFlags_SectionMask_)
         return;
 
+    // When scrolling to make Tab N+1 visible always make a bit of N visible to suggest more scrolling area (since we don't have a scrollbar)
+    // Disable the margin if the scrolling section is too small for the target tab: prefer displaying a maximum of the label.
     ImGuiContext& g = *GImGui;
-    float margin = g.FontSize * 1.0f; // When to scroll to make Tab N+1 visible always make a bit of N visible to suggest more scrolling area (since we don't have a scrollbar)
+    float margin = ImClamp(tab_bar->ScrollingRectMaxX - tab_bar->ScrollingRectMinX - tab->Width, g.Style.ItemInnerSpacing.x, g.FontSize * 1.0f);
     int order = TabBarGetTabOrder(tab_bar, tab);
 
     // Scrolling happens only in the central section (leading/trailing sections are not scrolling)
@@ -10914,10 +10932,7 @@ bool    ImGui::TabItemEx(ImGuiTabBar* tab_bar, const char* label, bool* p_open,
     // Layout
     const bool is_central_section = (tab->Flags & ImGuiTabItemFlags_SectionMask_) == 0;
     size.x = tab->Width;
-    if (is_central_section)
+    window->DC.CursorPos = TabBarGetTabPos(tab_bar, tab);
-        window->DC.CursorPos = tab_bar->BarRect.Min + ImVec2(IM_TRUNC(tab->Offset - tab_bar->ScrollingAnim), 0.0f);
-    else
-        window->DC.CursorPos = tab_bar->BarRect.Min + ImVec2(tab->Offset, 0.0f);
     ImVec2 pos = window->DC.CursorPos;
     ImRect bb(pos, pos + size);