On Mon, Mar 9, 2015 at 11:15 AM, Stefan Dösinger <stefandoesin...@gmx.at> wrote: > This fixes the GL_COMPRESSED_RED_RGTC1 part of piglit's rgtc-teximage-01 > test as well as the precision part of Wine's 3dc format test (fd.o bug > 89156).
This is often identified in the commit message with Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=89156 > > The Z component seems to contain a lower precision version of the > result, probably a temporary value from the decompression computation. > The Y and W component contain different data that depends on the input > values as well, but I could not make sense of them (Not that I tried > very hard). > > GL_COMPRESSED_SIGNED_RED_RGTC1 still seems to have precision problems in > piglit, and both formats are affected by a compiler bug if they're I don't suppose you've tried adding RGTC1_SNORM/LATC1_SNORM into that condition? > sampled by the shader with a swizzle other than .xyzw. Wine uses .xxxx, > which returns random garbage. > --- > src/gallium/drivers/r300/r300_texture.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/src/gallium/drivers/r300/r300_texture.c > b/src/gallium/drivers/r300/r300_texture.c > index ffe8c00..340b8fc 100644 > --- a/src/gallium/drivers/r300/r300_texture.c > +++ b/src/gallium/drivers/r300/r300_texture.c > @@ -176,7 +176,9 @@ uint32_t r300_translate_texformat(enum pipe_format format, > format != PIPE_FORMAT_RGTC2_UNORM && > format != PIPE_FORMAT_RGTC2_SNORM && > format != PIPE_FORMAT_LATC2_UNORM && > - format != PIPE_FORMAT_LATC2_SNORM) { > + format != PIPE_FORMAT_LATC2_SNORM && > + format != PIPE_FORMAT_RGTC1_UNORM && > + format != PIPE_FORMAT_LATC1_UNORM) { > result |= r300_get_swizzle_combined(desc->swizzle, swizzle_view, > TRUE); > } else { > -- > 2.0.5 > > _______________________________________________ > mesa-dev mailing list > mesa-dev@lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/mesa-dev _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev
