From a0b4a1330be6a36ad095222d2ea83927cd33514d Mon Sep 17 00:00:00 2001 From: marha Date: Fri, 25 Nov 2011 08:22:48 +0100 Subject: mesa xserver pixman git update 25 nov 2011 --- mesalib/src/mesa/state_tracker/st_cb_fbo.c | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) (limited to 'mesalib/src/mesa/state_tracker/st_cb_fbo.c') diff --git a/mesalib/src/mesa/state_tracker/st_cb_fbo.c b/mesalib/src/mesa/state_tracker/st_cb_fbo.c index a351d1197..1e8ec0556 100644 --- a/mesalib/src/mesa/state_tracker/st_cb_fbo.c +++ b/mesalib/src/mesa/state_tracker/st_cb_fbo.c @@ -75,8 +75,18 @@ st_renderbuffer_alloc_storage(struct gl_context * ctx, enum pipe_format format; struct pipe_surface surf_tmpl; - format = st_choose_renderbuffer_format(screen, internalFormat, - rb->NumSamples); + if (internalFormat == GL_RGBA16_SNORM && strb->software) { + /* Special case for software accum buffers. Otherwise, if the + * call to st_choose_renderbuffer_format() fails (because the + * driver doesn't support signed 16-bit/channel colors) we'd + * just return without allocating the software accum buffer. + */ + format = PIPE_FORMAT_R16G16B16A16_SNORM; + } + else { + format = st_choose_renderbuffer_format(screen, internalFormat, + rb->NumSamples); + } if (format == PIPE_FORMAT_NONE) { return FALSE; -- cgit v1.2.3