diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/state_tracker/st_cb_fbo.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/src/mesa/state_tracker/st_cb_fbo.c b/src/mesa/state_tracker/st_cb_fbo.c index a351d119749..1e8ec0556ef 100644 --- a/src/mesa/state_tracker/st_cb_fbo.c +++ b/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; |