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Backends: WebGPU: protect better against zero tex id.

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ocornut
2026-04-23 20:50:34 +02:00
parent e887098740
commit a6a16cf8a2
1 changed files with 5 additions and 6 deletions
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backends/imgui_impl_wgpu.cpp
+5 -6
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@@ -551,12 +551,11 @@ void ImGui_ImplWGPU_RenderDrawData(ImDrawData* draw_data, WGPURenderPassEncoder
ImTextureID tex_id = pcmd->GetTexID(); ImTextureID tex_id = pcmd->GetTexID();
ImGuiID tex_id_hash = ImHashData(&tex_id, sizeof(tex_id), 0); ImGuiID tex_id_hash = ImHashData(&tex_id, sizeof(tex_id), 0);
WGPUBindGroup bind_group = (WGPUBindGroup)bd->renderResources.ImageBindGroups.GetVoidPtr(tex_id_hash); WGPUBindGroup bind_group = (WGPUBindGroup)bd->renderResources.ImageBindGroups.GetVoidPtr(tex_id_hash);
if (!bind_group) if (!bind_group && tex_id != 0)
{ if ((bind_group = ImGui_ImplWGPU_CreateImageBindGroup(bd->renderResources.ImageBindGroupLayout, (WGPUTextureView)tex_id)) != 0)
bind_group = ImGui_ImplWGPU_CreateImageBindGroup(bd->renderResources.ImageBindGroupLayout, (WGPUTextureView)tex_id); bd->renderResources.ImageBindGroups.SetVoidPtr(tex_id_hash, bind_group);
bd->renderResources.ImageBindGroups.SetVoidPtr(tex_id_hash, bind_group); if (bind_group)
} wgpuRenderPassEncoderSetBindGroup(pass_encoder, 1, (WGPUBindGroup)bind_group, 0, nullptr);
wgpuRenderPassEncoderSetBindGroup(pass_encoder, 1, (WGPUBindGroup)bind_group, 0, nullptr);
// Project scissor/clipping rectangles into framebuffer space // Project scissor/clipping rectangles into framebuffer space
ImVec2 clip_min((pcmd->ClipRect.x - clip_off.x) * clip_scale.x, (pcmd->ClipRect.y - clip_off.y) * clip_scale.y); ImVec2 clip_min((pcmd->ClipRect.x - clip_off.x) * clip_scale.x, (pcmd->ClipRect.y - clip_off.y) * clip_scale.y);