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Minor warning fixes.

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This commit is contained in:
ocornut 2021-05-28 17:56:51 +02:00
parent b4ac0f261b
commit 670b020a7e
1 changed files with 7 additions and 5 deletions
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12
imgui_draw.cpp
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@ -789,8 +789,14 @@ if (USE_NEW_CODE)
const float half_thickness_aa = half_thickness + AA_SIZE; const float half_thickness_aa = half_thickness + AA_SIZE;
const unsigned int first_vtx_idx = _VtxCurrentIdx; const unsigned int first_vtx_idx = _VtxCurrentIdx;
// Declare temporary variables in outer scope. Declared without a default value would trigger static analyser, and doing it in inner-scope would be more wasteful.
float mlx, mly, mrx, mry; // Left and right miters
float mlax = 0.0f, mlay = 0.0f, mrax = 0.0f, mray = 0.0f; // Left and right miters including anti-aliasing
float b1x = 0.0f, b1y = 0.0f, b2x = 0.0f, b2y = 0.0f; // First and second bevel point
float b1ax = 0.0f, b1ay = 0.0f, b2ax = 0.0f, b2ay = 0.0f; // First and second bevel point including anti-aliasing
float sqlen1 = 0.0f; float sqlen1 = 0.0f;
float dx1, dy1; float dx1 = 0.0f, dy1 = 0.0f;
if (closed) if (closed)
{ {
dx1 = points[0].x - points[points_count - 1].x; dx1 = points[0].x - points[points_count - 1].x;
@ -823,8 +829,6 @@ if (USE_NEW_CODE)
} }
float miter_l_recip = dx1 * dy2 - dy1 * dx2; float miter_l_recip = dx1 * dy2 - dy1 * dx2;
float mlx, mly, mrx, mry; // Left and right miters
float mlax, mlay, mrax, mray; // Left and right miters including anti-aliasing
const bool bevel = (dx1 * dx2 + dy1 * dy2) > 1e-5f; const bool bevel = (dx1 * dx2 + dy1 * dy2) > 1e-5f;
if (ImFabs(miter_l_recip) > 1e-5f) if (ImFabs(miter_l_recip) > 1e-5f)
{ {
@ -869,8 +873,6 @@ if (USE_NEW_CODE)
// The two bevel vertices if the angle is right or obtuse // The two bevel vertices if the angle is right or obtuse
// miter_sign == 1, iff the outer (maybe bevelled) edge is on the right, -1 iff it is on the left // miter_sign == 1, iff the outer (maybe bevelled) edge is on the right, -1 iff it is on the left
int miter_sign = (miter_l_recip >= 0) - (miter_l_recip < 0); int miter_sign = (miter_l_recip >= 0) - (miter_l_recip < 0);
float b1x, b1y, b2x, b2y; // First and second bevel point
float b1ax, b1ay, b2ax, b2ay; // First and second bevel point including anti-aliasing
if (bevel) if (bevel)
{ {
// FIXME-OPT: benchmark if doing these computations only once in AA case saves cycles // FIXME-OPT: benchmark if doing these computations only once in AA case saves cycles