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Textures: Add ImTextureUserID_Invalid + introducing SetTexID().

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Which gives us room for potentially updating ImDrawData during render.
This commit is contained in:
ocornut 2025-01-30 15:35:32 +01:00
parent 2cde9125d6
commit ee357aaddf
2 changed files with 18 additions and 9 deletions
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6
imgui_draw.cpp
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@ -2695,7 +2695,7 @@ void ImFontAtlasUpdateNewFrame(ImFontAtlas* atlas)
if (tex->Status == ImTextureStatus_Destroyed)
{
IM_ASSERT(tex->TexID == 0 && tex->BackendUserData == NULL);
IM_ASSERT(tex->TexID == ImTextureID_Invalid && tex->BackendUserData == NULL);
if (tex->WantDestroyNextFrame)
remove_from_list = true; // Destroy was scheduled by us
else
@ -2715,7 +2715,7 @@ void ImFontAtlasUpdateNewFrame(ImFontAtlas* atlas)
tex->UnusedFrames++;
// If a texture has never reached the backend, they don't need to know about it.
if (tex->Status == ImTextureStatus_WantDestroy && tex->TexID == 0 && tex->BackendUserData == NULL)
if (tex->Status == ImTextureStatus_WantDestroy && tex->TexID == ImTextureID_Invalid && tex->BackendUserData == NULL)
remove_from_list = true;
// Remove
@ -3518,7 +3518,7 @@ ImTextureData* ImFontAtlasBuildAddTexture(ImFontAtlas* atlas, int w, int h)
/*if (old_tex != NULL && old_tex->Status == ImTextureStatus_WantCreate)
{
// Reuse texture not yet used by backend.
IM_ASSERT(old_tex->TexID == 0 && old_tex->BackendUserData == NULL);
IM_ASSERT(old_tex->TexID == ImTextureID_Invalid && old_tex->BackendUserData == NULL);
old_tex->DestroyPixels();
old_tex->Updates.clear();
new_tex = old_tex;