mirror of
https://github.com/ocornut/imgui.git
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Backends: DX11, DX12, Vulkan, WGPU: Expose some backend-specific render state usable for callbacks. (#6969, #5834, #7468, #3590)
This commit is contained in:
ocornut
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@ -4,6 +4,7 @@
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// Implemented features:
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// [X] Renderer: User texture binding. Use 'ID3D11ShaderResourceView*' as ImTextureID. Read the FAQ about ImTextureID!
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// [X] Renderer: Large meshes support (64k+ vertices) with 16-bit indices.
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// [X] Renderer: Expose selected render state for draw callbacks to use. Access in '(ImGui_ImplXXXX_RenderState*)platform_io.BackendRendererRenderState'.
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// You can use unmodified imgui_impl_* files in your project. See examples/ folder for examples of using this.
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// Prefer including the entire imgui/ repository into your project (either as a copy or as a submodule), and only build the backends you need.
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@ -15,6 +16,7 @@
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// CHANGELOG
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// (minor and older changes stripped away, please see git history for details)
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// 2024-10-07: DirectX11: Expose selected render state in ImGui_ImplDX11_RenderState, which you can access in 'void* platform_io.Renderer_RenderState' during draw callbacks.
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// 2022-10-11: Using 'nullptr' instead of 'NULL' as per our switch to C++11.
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// 2021-06-29: Reorganized backend to pull data from a single structure to facilitate usage with multiple-contexts (all g_XXXX access changed to bd->XXXX).
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// 2021-05-19: DirectX11: Replaced direct access to ImDrawCmd::TextureId with a call to ImDrawCmd::GetTexID(). (will become a requirement)
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@ -246,6 +248,14 @@ void ImGui_ImplDX11_RenderDrawData(ImDrawData* draw_data)
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// Setup desired DX state
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ImGui_ImplDX11_SetupRenderState(draw_data, device);
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// Setup render state structure (for callbacks and custom texture bindings)
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ImGuiPlatformIO& platform_io = ImGui::GetPlatformIO();
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ImGui_ImplDX11_RenderState render_state;
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render_state.Device = bd->pd3dDevice;
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render_state.DeviceContext = bd->pd3dDeviceContext;
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render_state.SamplerDefault = bd->pFontSampler;
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platform_io.Renderer_RenderState = &render_state;
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// Render command lists
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// (Because we merged all buffers into a single one, we maintain our own offset into them)
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int global_idx_offset = 0;
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@ -287,6 +297,7 @@ void ImGui_ImplDX11_RenderDrawData(ImDrawData* draw_data)
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global_idx_offset += draw_list->IdxBuffer.Size;
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global_vtx_offset += draw_list->VtxBuffer.Size;
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}
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platform_io.Renderer_RenderState = NULL;
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// Restore modified DX state
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device->RSSetScissorRects(old.ScissorRectsCount, old.ScissorRects);
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@ -4,6 +4,7 @@
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// Implemented features:
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// [X] Renderer: User texture binding. Use 'ID3D11ShaderResourceView*' as ImTextureID. Read the FAQ about ImTextureID!
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// [X] Renderer: Large meshes support (64k+ vertices) with 16-bit indices.
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// [X] Renderer: Expose selected render state for draw callbacks to use. Access in '(ImGui_ImplXXXX_RenderState*)platform_io.BackendRendererRenderState'.
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// You can use unmodified imgui_impl_* files in your project. See examples/ folder for examples of using this.
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// Prefer including the entire imgui/ repository into your project (either as a copy or as a submodule), and only build the backends you need.
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@ -19,6 +20,7 @@
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struct ID3D11Device;
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struct ID3D11DeviceContext;
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struct ID3D11SamplerState;
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// Follow "Getting Started" link and check examples/ folder to learn about using backends!
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IMGUI_IMPL_API bool ImGui_ImplDX11_Init(ID3D11Device* device, ID3D11DeviceContext* device_context);
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@ -30,4 +32,14 @@ IMGUI_IMPL_API void ImGui_ImplDX11_RenderDrawData(ImDrawData* draw_data);
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IMGUI_IMPL_API void ImGui_ImplDX11_InvalidateDeviceObjects();
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IMGUI_IMPL_API bool ImGui_ImplDX11_CreateDeviceObjects();
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// [BETA] Selected render state data shared with callbacks.
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// This is temporarily stored in io.BackendRendererRenderState during the ImGui_ImplDX11_RenderDrawData() call.
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// (Please open an issue if you feel you need access to more data)
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struct ImGui_ImplDX11_RenderState
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{
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ID3D11Device* Device;
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ID3D11DeviceContext* DeviceContext;
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ID3D11SamplerState* SamplerDefault;
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};
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#endif // #ifndef IMGUI_DISABLE
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@ -4,6 +4,7 @@
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// Implemented features:
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// [X] Renderer: User texture binding. Use 'D3D12_GPU_DESCRIPTOR_HANDLE' as ImTextureID. Read the FAQ about ImTextureID!
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// [X] Renderer: Large meshes support (64k+ vertices) with 16-bit indices.
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// [X] Renderer: Expose selected render state for draw callbacks to use. Access in '(ImGui_ImplXXXX_RenderState*)platform_io.BackendRendererRenderState'.
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// Important: to compile on 32-bit systems, this backend requires code to be compiled with '#define ImTextureID ImU64'.
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// This is because we need ImTextureID to carry a 64-bit value and by default ImTextureID is defined as void*.
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@ -23,6 +24,7 @@
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// CHANGELOG
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// (minor and older changes stripped away, please see git history for details)
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// 2024-10-07: DirectX12: Expose selected render state in ImGui_ImplDX12_RenderState, which you can access in 'void* platform_io.Renderer_RenderState' during draw callbacks.
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// 2022-10-11: Using 'nullptr' instead of 'NULL' as per our switch to C++11.
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// 2021-06-29: Reorganized backend to pull data from a single structure to facilitate usage with multiple-contexts (all g_XXXX access changed to bd->XXXX).
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// 2021-05-19: DirectX12: Replaced direct access to ImDrawCmd::TextureId with a call to ImDrawCmd::GetTexID(). (will become a requirement)
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@ -245,6 +247,13 @@ void ImGui_ImplDX12_RenderDrawData(ImDrawData* draw_data, ID3D12GraphicsCommandL
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// Setup desired DX state
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ImGui_ImplDX12_SetupRenderState(draw_data, command_list, fr);
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// Setup render state structure (for callbacks and custom texture bindings)
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ImGuiPlatformIO& platform_io = ImGui::GetPlatformIO();
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ImGui_ImplDX12_RenderState render_state;
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render_state.Device = bd->pd3dDevice;
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render_state.CommandList = command_list;
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platform_io.Renderer_RenderState = &render_state;
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// Render command lists
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// (Because we merged all buffers into a single one, we maintain our own offset into them)
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int global_vtx_offset = 0;
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@ -287,6 +296,7 @@ void ImGui_ImplDX12_RenderDrawData(ImDrawData* draw_data, ID3D12GraphicsCommandL
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global_idx_offset += draw_list->IdxBuffer.Size;
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global_vtx_offset += draw_list->VtxBuffer.Size;
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}
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platform_io.Renderer_RenderState = NULL;
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}
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static void ImGui_ImplDX12_CreateFontsTexture()
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@ -4,6 +4,7 @@
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// Implemented features:
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// [X] Renderer: User texture binding. Use 'D3D12_GPU_DESCRIPTOR_HANDLE' as ImTextureID. Read the FAQ about ImTextureID!
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// [X] Renderer: Large meshes support (64k+ vertices) with 16-bit indices.
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// [X] Renderer: Expose selected render state for draw callbacks to use. Access in '(ImGui_ImplXXXX_RenderState*)platform_io.BackendRendererRenderState'.
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// Important: to compile on 32-bit systems, this backend requires code to be compiled with '#define ImTextureID ImU64'.
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// See imgui_impl_dx12.cpp file for details.
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@ -42,4 +43,13 @@ IMGUI_IMPL_API void ImGui_ImplDX12_RenderDrawData(ImDrawData* draw_data, ID3
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IMGUI_IMPL_API void ImGui_ImplDX12_InvalidateDeviceObjects();
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IMGUI_IMPL_API bool ImGui_ImplDX12_CreateDeviceObjects();
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// [BETA] Selected render state data shared with callbacks.
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// This is temporarily stored in io.BackendRendererRenderState during the ImGui_ImplDX12_RenderDrawData() call.
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// (Please open an issue if you feel you need access to more data)
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struct ImGui_ImplDX12_RenderState
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{
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ID3D12Device* Device;
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ID3D12GraphicsCommandList* CommandList;
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};
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#endif // #ifndef IMGUI_DISABLE
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@ -4,6 +4,7 @@
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// Implemented features:
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// [!] Renderer: User texture binding. Use 'VkDescriptorSet' as ImTextureID. Read the FAQ about ImTextureID! See https://github.com/ocornut/imgui/pull/914 for discussions.
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// [X] Renderer: Large meshes support (64k+ vertices) with 16-bit indices.
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// [X] Renderer: Expose selected render state for draw callbacks to use. Access in '(ImGui_ImplXXXX_RenderState*)platform_io.BackendRendererRenderState'.
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// Important: on 32-bit systems, user texture binding is only supported if your imconfig file has '#define ImTextureID ImU64'.
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// This is because we need ImTextureID to carry a 64-bit value and by default ImTextureID is defined as void*.
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@ -33,6 +34,7 @@
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// CHANGELOG
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// (minor and older changes stripped away, please see git history for details)
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// 2024-10-07: Vulkan: Expose selected render state in ImGui_ImplVulkan_RenderState, which you can access in 'void* platform_io.Renderer_RenderState' during draw callbacks.
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// 2024-04-19: Vulkan: Added convenience support for Volk via IMGUI_IMPL_VULKAN_USE_VOLK define (you can also use IMGUI_IMPL_VULKAN_NO_PROTOTYPES + wrap Volk via ImGui_ImplVulkan_LoadFunctions().)
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// 2024-02-14: *BREAKING CHANGE*: Moved RenderPass parameter from ImGui_ImplVulkan_Init() function to ImGui_ImplVulkan_InitInfo structure. Not required when using dynamic rendering.
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// 2024-02-12: *BREAKING CHANGE*: Dynamic rendering now require filling PipelineRenderingCreateInfo structure.
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@ -540,6 +542,14 @@ void ImGui_ImplVulkan_RenderDrawData(ImDrawData* draw_data, VkCommandBuffer comm
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// Setup desired Vulkan state
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ImGui_ImplVulkan_SetupRenderState(draw_data, pipeline, command_buffer, rb, fb_width, fb_height);
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// Setup render state structure (for callbacks and custom texture bindings)
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ImGuiPlatformIO& platform_io = ImGui::GetPlatformIO();
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ImGui_ImplVulkan_RenderState render_state;
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render_state.CommandBuffer = command_buffer;
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render_state.Pipeline = pipeline;
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render_state.PipelineLayout = bd->PipelineLayout;
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platform_io.Renderer_RenderState = &render_state;
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// Will project scissor/clipping rectangles into framebuffer space
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ImVec2 clip_off = draw_data->DisplayPos; // (0,0) unless using multi-viewports
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ImVec2 clip_scale = draw_data->FramebufferScale; // (1,1) unless using retina display which are often (2,2)
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@ -602,6 +612,7 @@ void ImGui_ImplVulkan_RenderDrawData(ImDrawData* draw_data, VkCommandBuffer comm
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global_idx_offset += draw_list->IdxBuffer.Size;
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global_vtx_offset += draw_list->VtxBuffer.Size;
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}
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platform_io.Renderer_RenderState = NULL;
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// Note: at this point both vkCmdSetViewport() and vkCmdSetScissor() have been called.
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// Our last values will leak into user/application rendering IF:
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@ -4,6 +4,7 @@
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// Implemented features:
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// [!] Renderer: User texture binding. Use 'VkDescriptorSet' as ImTextureID. Read the FAQ about ImTextureID! See https://github.com/ocornut/imgui/pull/914 for discussions.
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// [X] Renderer: Large meshes support (64k+ vertices) with 16-bit indices.
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// [X] Renderer: Expose selected render state for draw callbacks to use. Access in '(ImGui_ImplXXXX_RenderState*)platform_io.BackendRendererRenderState'.
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// Important: on 32-bit systems, user texture binding is only supported if your imconfig file has '#define ImTextureID ImU64'.
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// See imgui_impl_vulkan.cpp file for details.
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@ -117,6 +118,16 @@ IMGUI_IMPL_API void ImGui_ImplVulkan_RemoveTexture(VkDescriptorSet de
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// This is only useful with IMGUI_IMPL_VULKAN_NO_PROTOTYPES / VK_NO_PROTOTYPES
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IMGUI_IMPL_API bool ImGui_ImplVulkan_LoadFunctions(PFN_vkVoidFunction(*loader_func)(const char* function_name, void* user_data), void* user_data = nullptr);
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// [BETA] Selected render state data shared with callbacks.
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// This is temporarily stored in io.BackendRendererRenderState during the ImGui_ImplVulkan_RenderDrawData() call.
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// (Please open an issue if you feel you need access to more data)
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struct ImGui_ImplVulkan_RenderState
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{
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VkCommandBuffer CommandBuffer;
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VkPipeline Pipeline;
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VkPipelineLayout PipelineLayout;
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};
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//-------------------------------------------------------------------------
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// Internal / Miscellaneous Vulkan Helpers
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// (Used by example's main.cpp. Used by multi-viewport features. PROBABLY NOT used by your own engine/app.)
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@ -5,6 +5,7 @@
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// Implemented features:
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// [X] Renderer: User texture binding. Use 'WGPUTextureView' as ImTextureID. Read the FAQ about ImTextureID!
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// [X] Renderer: Large meshes support (64k+ vertices) with 16-bit indices.
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// [X] Renderer: Expose selected render state for draw callbacks to use. Access in '(ImGui_ImplXXXX_RenderState*)platform_io.BackendRendererRenderState'.
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// You can use unmodified imgui_impl_* files in your project. See examples/ folder for examples of using this.
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// Prefer including the entire imgui/ repository into your project (either as a copy or as a submodule), and only build the backends you need.
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@ -16,6 +17,7 @@
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// CHANGELOG
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// (minor and older changes stripped away, please see git history for details)
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// 2024-10-07: Expose selected render state in ImGui_ImplWGPU_RenderState, which you can access in 'void* platform_io.Renderer_RenderState' during draw callbacks.
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// 2024-09-16: Added support for optional IMGUI_IMPL_WEBGPU_BACKEND_DAWN / IMGUI_IMPL_WEBGPU_BACKEND_WGPU define to handle ever-changing native implementations. (#7977)
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// 2024-01-22: Added configurable PipelineMultisampleState struct. (#7240)
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// 2024-01-22: (Breaking) ImGui_ImplWGPU_Init() now takes a ImGui_ImplWGPU_InitInfo structure instead of variety of parameters, allowing for easier further changes.
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@ -439,6 +441,13 @@ void ImGui_ImplWGPU_RenderDrawData(ImDrawData* draw_data, WGPURenderPassEncoder
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// Setup desired render state
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ImGui_ImplWGPU_SetupRenderState(draw_data, pass_encoder, fr);
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// Setup render state structure (for callbacks and custom texture bindings)
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ImGuiPlatformIO& platform_io = ImGui::GetPlatformIO();
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ImGui_ImplWGPU_RenderState render_state;
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render_state.Device = bd->wgpuDevice;
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render_state.RenderPassEncoder = pass_encoder;
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platform_io.Renderer_RenderState = &render_state;
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// Render command lists
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// (Because we merged all buffers into a single one, we maintain our own offset into them)
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int global_vtx_offset = 0;
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@ -497,6 +506,7 @@ void ImGui_ImplWGPU_RenderDrawData(ImDrawData* draw_data, WGPURenderPassEncoder
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global_idx_offset += draw_list->IdxBuffer.Size;
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global_vtx_offset += draw_list->VtxBuffer.Size;
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}
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platform_io.Renderer_RenderState = NULL;
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}
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static void ImGui_ImplWGPU_CreateFontsTexture()
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@ -12,6 +12,7 @@
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// Implemented features:
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// [X] Renderer: User texture binding. Use 'WGPUTextureView' as ImTextureID. Read the FAQ about ImTextureID!
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// [X] Renderer: Large meshes support (64k+ vertices) with 16-bit indices.
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// [X] Renderer: Expose selected render state for draw callbacks to use. Access in '(ImGui_ImplXXXX_RenderState*)platform_io.BackendRendererRenderState'.
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// You can use unmodified imgui_impl_* files in your project. See examples/ folder for examples of using this.
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// Prefer including the entire imgui/ repository into your project (either as a copy or as a submodule), and only build the backends you need.
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@ -54,4 +55,13 @@ IMGUI_IMPL_API void ImGui_ImplWGPU_RenderDrawData(ImDrawData* draw_data, WGPURen
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IMGUI_IMPL_API void ImGui_ImplWGPU_InvalidateDeviceObjects();
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IMGUI_IMPL_API bool ImGui_ImplWGPU_CreateDeviceObjects();
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// [BETA] Selected render state data shared with callbacks.
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// This is temporarily stored in io.BackendRendererRenderState during the ImGui_ImplWGPU_RenderDrawData() call.
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// (Please open an issue if you feel you need access to more data)
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struct ImGui_ImplWGPU_RenderState
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{
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WGPUDevice Device;
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WGPURenderPassEncoder RenderPassEncoder;
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};
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#endif // #ifndef IMGUI_DISABLE
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@ -43,6 +43,12 @@ Breaking changes:
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Other changes:
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- IO: added 'void* platform_io.Renderer_RenderState' which is set during the
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ImGui_ImplXXXX_RenderDrawData() of standard backend to expose selected render
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state to draw callbacks. (#6969, #5834, #7468, #3590)
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- Backends: DX11, DX12, Vulkan, WGPU: expose selected state in ImGui_ImplXXXX_RenderState.
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structure during render loop. (#6969, #5834, #7468, #3590)
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-----------------------------------------------------------------------
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VERSION 1.91.3 (Released 2024-10-04)
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9
imgui.h
9
imgui.h
@ -3515,7 +3515,7 @@ struct ImGuiPlatformIO
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IMGUI_API ImGuiPlatformIO();
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//------------------------------------------------------------------
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// Input - Interface with OS/backends
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// Interface with OS and Platform backend
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//------------------------------------------------------------------
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// Optional: Access OS clipboard
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@ -3538,6 +3538,13 @@ struct ImGuiPlatformIO
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// Optional: Platform locale
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// [Experimental] Configure decimal point e.g. '.' or ',' useful for some languages (e.g. German), generally pulled from *localeconv()->decimal_point
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ImWchar Platform_LocaleDecimalPoint; // '.'
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//------------------------------------------------------------------
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// Interface with Renderer Backend
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//------------------------------------------------------------------
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// Written by some backends during ImGui_ImplXXXX_RenderDrawData() call to point backend_specific ImGui_ImplXXXX_RenderState* structure.
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void* Renderer_RenderState;
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};
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// (Optional) Support for IME (Input Method Editor) via the platform_io.Platform_SetImeDataFn() function.
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