Commit: c27b489ef72d5af39f06b17619cfd583a0f4cc80
Author: Richard Antalik
Date: Thu Sep 16 00:36:52 2021 +0200
Branches: temp-vse-thumbnail-mod
https://developer.blender.org/rBc27b489ef72d5af39f06b17619cfd583a0f4cc80
Fix alpha on overlap for float images
===================================================================
M source/blender/editors/space_sequencer/sequencer_draw.c
===================================================================
diff --git a/source/blender/editors/space_sequencer/sequencer_draw.c
b/source/blender/editors/space_sequencer/sequencer_draw.c
index b1560714d62..45e78bf11cd 100644
--- a/source/blender/editors/space_sequencer/sequencer_draw.c
+++ b/source/blender/editors/space_sequencer/sequencer_draw.c
@@ -1715,9 +1715,17 @@ static void draw_seq_strip_thumbnail(View2D *v2d,
/* Transparency on overlap. */
if (seq->flag & SEQ_OVERLAP) {
GPU_blend(GPU_BLEND_ALPHA);
- unsigned char *buf = (unsigned char *)ibuf->rect;
- for (int pixel = ibuf->x * ibuf->y; pixel--; buf += 4) {
- buf[3] = OVERLAP_ALPHA;
+ if (ibuf->rect) {
+ unsigned char *buf = (unsigned char *)ibuf->rect;
+ for (int pixel = ibuf->x * ibuf->y; pixel--; buf += 4) {
+ buf[3] = OVERLAP_ALPHA;
+ }
+ }
+ else if (ibuf->rect_float) {
+ float *buf = (float *)ibuf->rect_float;
+ for (int pixel = ibuf->x * ibuf->y; pixel--; buf += ibuf->channels) {
+ buf[3] = (OVERLAP_ALPHA / 255.0f);
+ }
}
}
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