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Fix #118666: VSE scopes showing garbage data in some cases 

Waveform/vecscope does not write all the image pixels, so they
have to be initialized upon imbuf creation.
This commit is contained in:
Aras Pranckevicius 2024-03-01 09:26:55 +02:00
parent 6e8272a5dd
commit 43d93973c0
1 changed files with 3 additions and 3 deletions
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6
source/blender/editors/space_sequencer/sequencer_scopes.cc
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@ -113,7 +113,7 @@ ImBuf *make_waveform_view_from_ibuf(const ImBuf *ibuf)
#endif
const int w = ibuf->x;
const int h = 256;
ImBuf *rval = IMB_allocImBuf(w, h, 32, IB_rect | IB_uninitialized_pixels);
ImBuf *rval = IMB_allocImBuf(w, h, 32, IB_rect);
uchar *tgt = rval->byte_buffer.data;
uchar wtable[256];
@ -172,7 +172,7 @@ ImBuf *make_sep_waveform_view_from_ibuf(const ImBuf *ibuf)
#endif
int w = ibuf->x;
int h = 256;
ImBuf *rval = IMB_allocImBuf(w, h, 32, IB_rect | IB_uninitialized_pixels);
ImBuf *rval = IMB_allocImBuf(w, h, 32, IB_rect);
uchar *tgt = rval->byte_buffer.data;
int sw = ibuf->x / 3;
@ -346,7 +346,7 @@ ImBuf *make_vectorscope_view_from_ibuf(const ImBuf *ibuf)
#endif
const int size = 512;
const float size_mul = size - 1.0f;
ImBuf *rval = IMB_allocImBuf(size, size, 32, IB_rect | IB_uninitialized_pixels);
ImBuf *rval = IMB_allocImBuf(size, size, 32, IB_rect);
uchar *dst = rval->byte_buffer.data;
float rgb[3];