diff options
| author | Brecht Van Lommel <brechtvanlommel@gmail.com> | 2018-02-14 03:01:29 +0300 |
|---|---|---|
| committer | Brecht Van Lommel <brechtvanlommel@gmail.com> | 2018-02-14 16:00:57 +0300 |
| commit | 618bc6c67954f80b3c0c0332f44648b3187c23ca (patch) | |
| tree | cf9a51893f50cfb69229d345fbd18484c76525b5 /source/blender/editors/space_clip/clip_draw.c | |
| parent | 7028a11db9ec3d29282739f7ad9a0343711ebc24 (diff) | |
GPU: use alpha blend that works for drawing to transparent buffer.
It's unlikely to ever be intentional to square the source alpha, as happens
with glBlendFunc, so this changes the blending throughout the code.
Diffstat (limited to 'source/blender/editors/space_clip/clip_draw.c')
| -rw-r--r-- | source/blender/editors/space_clip/clip_draw.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/source/blender/editors/space_clip/clip_draw.c b/source/blender/editors/space_clip/clip_draw.c index 09d225fc1b8..96968a14883 100644 --- a/source/blender/editors/space_clip/clip_draw.c +++ b/source/blender/editors/space_clip/clip_draw.c @@ -157,7 +157,7 @@ static void draw_movieclip_cache(SpaceClip *sc, ARegion *ar, MovieClip *clip, Sc MovieTrackingReconstruction *reconstruction = BKE_tracking_get_active_reconstruction(tracking); glEnable(GL_BLEND); - glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE_MINUS_SRC_ALPHA); /* cache background */ ED_region_cache_draw_background(ar); @@ -314,7 +314,7 @@ static void draw_movieclip_buffer(const bContext *C, SpaceClip *sc, ARegion *ar, /* checkerboard for case alpha */ if (ibuf->planes == 32) { glEnable(GL_BLEND); - glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE_MINUS_SRC_ALPHA); imm_draw_box_checker_2d(x, y, x + zoomx * ibuf->x, y + zoomy * ibuf->y); } @@ -1126,7 +1126,7 @@ static void draw_plane_marker_image(Scene *scene, if (plane_track->image_opacity != 1.0f || ibuf->planes == 32) { transparent = true; glEnable(GL_BLEND); - glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE_MINUS_SRC_ALPHA); } glGenTextures(1, (GLuint *)&texid); |