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_view3d/view3d_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_view3d/view3d_draw.c')
| -rw-r--r-- | source/blender/editors/space_view3d/view3d_draw.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/source/blender/editors/space_view3d/view3d_draw.c b/source/blender/editors/space_view3d/view3d_draw.c index c3a42cc0cad..3fdc938aec2 100644 --- a/source/blender/editors/space_view3d/view3d_draw.c +++ b/source/blender/editors/space_view3d/view3d_draw.c @@ -494,7 +494,7 @@ static void drawviewborder(Scene *scene, const Depsgraph *depsgraph, ARegion *ar float alpha = 1.0f; if (ca->passepartalpha != 1.0f) { - 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); glEnable(GL_BLEND); alpha = ca->passepartalpha; } @@ -1455,7 +1455,7 @@ static void draw_view_axis(RegionView3D *rv3d, const rcti *rect) glLineWidth(2.0f); glEnable(GL_LINE_SMOOTH); 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); Gwn_VertFormat *format = immVertexFormat(); unsigned int pos = GWN_vertformat_attr_add(format, "pos", GWN_COMP_F32, 2, GWN_FETCH_FLOAT); @@ -1498,7 +1498,7 @@ static void UNUSED_FUNCTION(draw_rotation_guide)(RegionView3D *rv3d) negate_v3_v3(o, rv3d->ofs); 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); glDepthMask(GL_FALSE); /* don't overwrite zbuf */ Gwn_VertFormat *format = immVertexFormat(); |