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Misc: Made IMGUI_CHECKVERSION() macro also check for matching size of ImDrawIdx.

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omar
2019-05-03 18:40:36 +02:00
parent e2166db282
commit 9c1f02a42c
3 changed files with 10 additions and 5 deletions
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10
imgui.cpp
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@@ -3039,9 +3039,12 @@ void ImGui::SetCurrentContext(ImGuiContext* ctx)
#endif
}
// Helper function to verify that the type sizes are matching between the calling file's compilation unit and imgui.cpp's compilation unit
// If the user has inconsistent compilation settings, imgui configuration #define, packing pragma, etc. you may see different structures from what imgui.cpp sees which is highly problematic.
bool ImGui::DebugCheckVersionAndDataLayout(const char* version, size_t sz_io, size_t sz_style, size_t sz_vec2, size_t sz_vec4, size_t sz_vert)
// Helper function to verify ABI compatibility between caller code and compiled version of Dear ImGui.
// Verify that the type sizes are matching between the calling file's compilation unit and imgui.cpp's compilation unit
// If the user has inconsistent compilation settings, imgui configuration #define, packing pragma, etc. your user code
// may see different structures thanwhat imgui.cpp sees, which is problematic.
// We usually require settings to be in imconfig.h to make sure that they are accessible to all compilation units involved with Dear ImGui.
bool ImGui::DebugCheckVersionAndDataLayout(const char* version, size_t sz_io, size_t sz_style, size_t sz_vec2, size_t sz_vec4, size_t sz_vert, size_t sz_idx)
{
bool error = false;
if (strcmp(version, IMGUI_VERSION)!=0) { error = true; IM_ASSERT(strcmp(version,IMGUI_VERSION)==0 && "Mismatched version string!"); }
@@ -3050,6 +3053,7 @@ bool ImGui::DebugCheckVersionAndDataLayout(const char* version, size_t sz_io, si
if (sz_vec2 != sizeof(ImVec2)) { error = true; IM_ASSERT(sz_vec2 == sizeof(ImVec2) && "Mismatched struct layout!"); }
if (sz_vec4 != sizeof(ImVec4)) { error = true; IM_ASSERT(sz_vec4 == sizeof(ImVec4) && "Mismatched struct layout!"); }
if (sz_vert != sizeof(ImDrawVert)) { error = true; IM_ASSERT(sz_vert == sizeof(ImDrawVert) && "Mismatched struct layout!"); }
if (sz_idx != sizeof(ImDrawIdx)) { error = true; IM_ASSERT(sz_idx == sizeof(ImDrawIdx) && "Mismatched struct layout!"); }
return !error;
}