Ian Romanick <i...@freedesktop.org> writes: > On 12/20/2012 04:07 PM, Eric Anholt wrote: >> We don't have native hardware support for these, so they get promoted to >> RGBA, in which case we don't have hardware dealing with the channel >> swizzling for us. >> >> Fixes piglit EXT_texture_snorm/texwrap formats bordercolor (-swizzled). >> --- >> src/mesa/drivers/dri/i965/brw_wm_sampler_state.c | 31 >> ++++++++++++++++++++-- >> 1 file changed, 29 insertions(+), 2 deletions(-) >> >> diff --git a/src/mesa/drivers/dri/i965/brw_wm_sampler_state.c >> b/src/mesa/drivers/dri/i965/brw_wm_sampler_state.c >> index 0d1f249..006aa68 100644 >> --- a/src/mesa/drivers/dri/i965/brw_wm_sampler_state.c >> +++ b/src/mesa/drivers/dri/i965/brw_wm_sampler_state.c >> @@ -89,7 +89,8 @@ upload_default_color(struct brw_context *brw, struct >> gl_sampler_object *sampler,
>> + case GL_LUMINANCE_ALPHA: >> + color[0] = sampler->BorderColor.f[0]; >> + color[1] = sampler->BorderColor.f[0]; >> + color[2] = sampler->BorderColor.f[0]; >> + color[3] = sampler->BorderColor.f[3]; >> + break; >> + default: >> color[0] = sampler->BorderColor.f[0]; >> color[1] = sampler->BorderColor.f[1]; >> color[2] = sampler->BorderColor.f[2]; >> color[3] = sampler->BorderColor.f[3]; > > Is this the correct handing for RED / RG? If it's not, it's a > pre-existing issue. I haven't reviewed that part of the spec recently... Behavior is already correct for the non-deprecated formats because they don't get promoted to a different non-deprecated format.
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