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Removed IM_OFFSETOF() macro in favor of using offsetof() available in C++11. Kept redirection define. (#4537)

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ocornut
2023-11-09 16:44:39 +01:00
parent 0f50b52da4
commit ab522dd18c
15 changed files with 72 additions and 69 deletions
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8
imgui_draw.cpp
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@@ -386,9 +386,9 @@ void ImDrawListSharedData::SetCircleTessellationMaxError(float max_error)
void ImDrawList::_ResetForNewFrame()
{
// Verify that the ImDrawCmd fields we want to memcmp() are contiguous in memory.
IM_STATIC_ASSERT(IM_OFFSETOF(ImDrawCmd, ClipRect) == 0);
IM_STATIC_ASSERT(IM_OFFSETOF(ImDrawCmd, TextureId) == sizeof(ImVec4));
IM_STATIC_ASSERT(IM_OFFSETOF(ImDrawCmd, VtxOffset) == sizeof(ImVec4) + sizeof(ImTextureID));
IM_STATIC_ASSERT(offsetof(ImDrawCmd, ClipRect) == 0);
IM_STATIC_ASSERT(offsetof(ImDrawCmd, TextureId) == sizeof(ImVec4));
IM_STATIC_ASSERT(offsetof(ImDrawCmd, VtxOffset) == sizeof(ImVec4) + sizeof(ImTextureID));
if (_Splitter._Count > 1)
_Splitter.Merge(this);
@@ -475,7 +475,7 @@ void ImDrawList::AddCallback(ImDrawCallback callback, void* callback_data)
}
// Compare ClipRect, TextureId and VtxOffset with a single memcmp()
#define ImDrawCmd_HeaderSize (IM_OFFSETOF(ImDrawCmd, VtxOffset) + sizeof(unsigned int))
#define ImDrawCmd_HeaderSize (offsetof(ImDrawCmd, VtxOffset) + sizeof(unsigned int))
#define ImDrawCmd_HeaderCompare(CMD_LHS, CMD_RHS) (memcmp(CMD_LHS, CMD_RHS, ImDrawCmd_HeaderSize)) // Compare ClipRect, TextureId, VtxOffset
#define ImDrawCmd_HeaderCopy(CMD_DST, CMD_SRC) (memcpy(CMD_DST, CMD_SRC, ImDrawCmd_HeaderSize)) // Copy ClipRect, TextureId, VtxOffset
#define ImDrawCmd_AreSequentialIdxOffset(CMD_0, CMD_1) (CMD_0->IdxOffset + CMD_0->ElemCount == CMD_1->IdxOffset)