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Textures: ImTextureData pixels are not immediately destroyed on setting ImTextureStatus_WantDestroy.

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ocornut
2025-06-11 15:52:12 +02:00
parent 8ea0ae454f
commit 52a6863771
1 changed files with 3 additions and 2 deletions
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imgui_draw.cpp
+3 -2
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@@ -2780,9 +2780,9 @@ void ImFontAtlasUpdateNewFrame(ImFontAtlas* atlas, int frame_count)
else if (tex->WantDestroyNextFrame && tex->Status != ImTextureStatus_WantDestroy) else if (tex->WantDestroyNextFrame && tex->Status != ImTextureStatus_WantDestroy)
{ {
// Request destroy. Keep bool as it allows us to keep track of things. // Request destroy. Keep bool as it allows us to keep track of things.
// We don't destroy pixels right away, as backend may have an in-flight copy from RAM.
IM_ASSERT(tex->Status == ImTextureStatus_OK || tex->Status == ImTextureStatus_WantCreate || tex->Status == ImTextureStatus_WantUpdates); IM_ASSERT(tex->Status == ImTextureStatus_OK || tex->Status == ImTextureStatus_WantCreate || tex->Status == ImTextureStatus_WantUpdates);
tex->Status = ImTextureStatus_WantDestroy; tex->Status = ImTextureStatus_WantDestroy;
tex->DestroyPixels();
} }
// The backend may need defer destroying by a few frames, to handle texture used by previous in-flight rendering. // The backend may need defer destroying by a few frames, to handle texture used by previous in-flight rendering.
@@ -2794,9 +2794,10 @@ void ImFontAtlasUpdateNewFrame(ImFontAtlas* atlas, int frame_count)
if (tex->Status == ImTextureStatus_WantDestroy && tex->TexID == ImTextureID_Invalid && tex->BackendUserData == NULL) if (tex->Status == ImTextureStatus_WantDestroy && tex->TexID == ImTextureID_Invalid && tex->BackendUserData == NULL)
remove_from_list = true; remove_from_list = true;
// Remove // Destroy and remove
if (remove_from_list) if (remove_from_list)
{ {
tex->DestroyPixels();
IM_DELETE(tex); IM_DELETE(tex);
atlas->TexList.erase(atlas->TexList.begin() + tex_n); atlas->TexList.erase(atlas->TexList.begin() + tex_n);
tex_n--; tex_n--;