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>
(cherry picked from commit a288cf58a0
)
This commit is contained in:
parent
1bffe77769
commit
fb8ddcf1cb
|
@ -340,8 +340,10 @@ _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);
|
||||
|
|
Loading…
Reference in New Issue
Block a user