Replace manual flooring with IM_FLOOR() macro. (#2850)

Macro is used to ensure that flooring operation is always inlined even in debug builds. __forceinline does not force inlining in /Od builds with MSVC.

(cherry picked from commit bc165df6fd7969605bbc07b8a6d3d28f9109e8f3)
This commit is contained in:
Rokas Kupstys
2019-10-17 12:36:26 +03:00
committed by omar
parent 53278be61f
commit 714fe29d1a
5 changed files with 69 additions and 68 deletions

View File

@ -144,6 +144,7 @@ extern IMGUI_API ImGuiContext* GImGui; // Current implicit context pointer
#define IM_STATIC_ASSERT(_COND) typedef char static_assertion_##__line__[(_COND)?1:-1]
#define IM_F32_TO_INT8_UNBOUND(_VAL) ((int)((_VAL) * 255.0f + ((_VAL)>=0 ? 0.5f : -0.5f))) // Unsaturated, for display purpose
#define IM_F32_TO_INT8_SAT(_VAL) ((int)(ImSaturate(_VAL) * 255.0f + 0.5f)) // Saturated, always output 0..255
#define IM_FLOOR(_VAL) ((float)(int)(_VAL)) // ImFloor() is not inlined in MSVC debug builds
// Debug Logging
#ifndef IMGUI_DEBUG_LOG
@ -569,7 +570,7 @@ struct IMGUI_API ImRect
void TranslateY(float dy) { Min.y += dy; Max.y += dy; }
void ClipWith(const ImRect& r) { Min = ImMax(Min, r.Min); Max = ImMin(Max, r.Max); } // Simple version, may lead to an inverted rectangle, which is fine for Contains/Overlaps test but not for display.
void ClipWithFull(const ImRect& r) { Min = ImClamp(Min, r.Min, r.Max); Max = ImClamp(Max, r.Min, r.Max); } // Full version, ensure both points are fully clipped.
void Floor() { Min.x = (float)(int)Min.x; Min.y = (float)(int)Min.y; Max.x = (float)(int)Max.x; Max.y = (float)(int)Max.y; }
void Floor() { Min.x = IM_FLOOR(Min.x); Min.y = IM_FLOOR(Min.y); Max.x = IM_FLOOR(Max.x); Max.y = IM_FLOOR(Max.y); }
bool IsInverted() const { return Min.x > Max.x || Min.y > Max.y; }
};