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Textures: Detect when using a texture that's about to be destroyed.

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ocornut 2025-03-05 17:18:54 +01:00
parent 0b71339122
commit 131f5c57ab
2 changed files with 6 additions and 1 deletions
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5
imgui.cpp
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@ -15733,7 +15733,10 @@ void ImGui::DebugNodeTexture(ImTextureData* tex)
Checkbox("Show used rect", &cfg->ShowTextureUsedRect);
PushStyleVar(ImGuiStyleVar_ImageBorderSize, ImMax(1.0f, g.Style.ImageBorderSize));
ImVec2 p = GetCursorScreenPos();
ImageWithBg(tex->GetTexRef(), ImVec2((float)tex->Width, (float)tex->Height), ImVec2(0.0f, 0.0f), ImVec2(1.0f, 1.0f), ImVec4(0.0f, 0.0f, 0.0f, 1.0f));
if (tex->WantDestroyNextFrame)
Dummy(ImVec2((float)tex->Width, (float)tex->Height));
else
ImageWithBg(tex->GetTexRef(), ImVec2((float)tex->Width, (float)tex->Height), ImVec2(0.0f, 0.0f), ImVec2(1.0f, 1.0f), ImVec4(0.0f, 0.0f, 0.0f, 1.0f));
if (cfg->ShowTextureUsedRect)
GetWindowDrawList()->AddRect(ImVec2(p.x + tex->UsedRect.x, p.y + tex->UsedRect.y), ImVec2(p.x + tex->UsedRect.x + tex->UsedRect.w, p.y + tex->UsedRect.y + tex->UsedRect.h), IM_COL32(255, 0, 255, 255));
PopStyleVar();

2
imgui_draw.cpp
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@ -676,6 +676,8 @@ void ImDrawList::PushTexture(ImTextureRef tex_ref)
{
_TextureStack.push_back(tex_ref);
_CmdHeader.TexRef = tex_ref;
if (tex_ref._TexData != NULL)
IM_ASSERT(tex_ref._TexData->WantDestroyNextFrame == false);
_OnChangedTexture();
}