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Backends: SDL_GPU: add swapchain parameters to ImGui_ImplSDLGPU3_InitInfo. (#8892)

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PTSVU
2025-08-19 12:48:59 +03:00
committed by ocornut
parent 42656b3aa1
commit 7c6fa8f8f7
3 changed files with 10 additions and 5 deletions
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1
backends/imgui_impl_sdlgpu3.cpp
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@@ -22,6 +22,7 @@
// Calling the function is MANDATORY, otherwise the ImGui will not upload neither the vertex nor the index buffer for the GPU. See imgui_impl_sdlgpu3.cpp for more info.
// CHANGELOG
// 2025-08-20: Added SwapchainComposition::SwapchainComposition and SwapchainComposition::PresentMode to configure how secondary viewports are created.
// 2025-08-08: *BREAKING* Changed ImTextureID type from SDL_GPUTextureSamplerBinding* to SDL_GPUTexture*, which is more natural and easier for user to manage. If you need to change the current sampler, you can access the ImGui_ImplSDLGPU3_RenderState struct. (#8866, #8163, #7998, #7988)
// 2025-08-08: Expose SamplerDefault and SamplerCurrent in ImGui_ImplSDLGPU3_RenderState. Allow callback to change sampler.
// 2025-06-25: Mapping transfer buffer for texture update use cycle=true. Fixes artifacts e.g. on Metal backend.

10
backends/imgui_impl_sdlgpu3.h
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@@ -27,12 +27,14 @@
#include <SDL3/SDL_gpu.h>
// Initialization data, for ImGui_ImplSDLGPU_Init()
// - Remember to set ColorTargetFormat to the correct format. If you're rendering to the swapchain, call SDL_GetGPUSwapchainTextureFormat to query the right value
// - Remember to set ColorTargetFormat to the correct format. If you're rendering to the swapchain, call SDL_GetGPUSwapchainTextureFormat() to query the right value
struct ImGui_ImplSDLGPU3_InitInfo
{
SDL_GPUDevice* Device = nullptr;
SDL_GPUTextureFormat ColorTargetFormat = SDL_GPU_TEXTUREFORMAT_INVALID;
SDL_GPUSampleCount MSAASamples = SDL_GPU_SAMPLECOUNT_1;
SDL_GPUDevice* Device = nullptr;
SDL_GPUTextureFormat ColorTargetFormat = SDL_GPU_TEXTUREFORMAT_INVALID;
SDL_GPUSampleCount MSAASamples = SDL_GPU_SAMPLECOUNT_1;
SDL_GPUSwapchainComposition SwapchainComposition = SDL_GPU_SWAPCHAINCOMPOSITION_SDR; // Only used in multi-viewports mode.
SDL_GPUPresentMode PresentMode = SDL_GPU_PRESENTMODE_VSYNC; // Only used in multi-viewports mode.
};
// Follow "Getting Started" link and check examples/ folder to learn about using backends!