diff options
| author | Dave Airlie <airlied@redhat.com> | 2016-03-16 10:45:54 +1000 |
|---|---|---|
| committer | Adam Jackson <ajax@redhat.com> | 2016-03-16 09:42:54 -0400 |
| commit | a288cf58a0dc0f965a6f964c76bb86bb1989d797 (patch) | |
| tree | 003cd5be7e78a5ff167d351d3acfd6fd046aae6f /glamor/glamor_fbo.c | |
| parent | 4583fa9a6cd3095d7497c075d68e7430ea3c5cb0 (diff) | |
glamor: swizzle RED to 0 for alpha textures
I'm pretty sure Eric suspected this could cause a problem, and we
couldn't find a test. Well loading feedly in firefox seems to trigger
badness that this solves.
bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=94554
Reviewed-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Tested-by: Timo Aaltonen <tjaalton@ubuntu.com>
Diffstat (limited to 'glamor/glamor_fbo.c')
| -rw-r--r-- | glamor/glamor_fbo.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/glamor/glamor_fbo.c b/glamor/glamor_fbo.c index a531f6052..f4f874981 100644 --- a/glamor/glamor_fbo.c +++ b/glamor/glamor_fbo.c @@ -352,8 +352,10 @@ _glamor_create_tex(glamor_screen_private *glamor_priv, glBindTexture(GL_TEXTURE_2D, tex); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); - if (format == glamor_priv->one_channel_format && format == GL_RED) + if (format == glamor_priv->one_channel_format && format == GL_RED) { + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_R, GL_ZERO); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_A, GL_RED); + } glamor_priv->suppress_gl_out_of_memory_logging = true; glTexImage2D(GL_TEXTURE_2D, 0, format, w, h, 0, format, GL_UNSIGNED_BYTE, NULL); |