On Tue, May 16, 2017 at 11:40 PM, Pohjolainen, Topi < topi.pohjolai...@gmail.com> wrote:
> On Tue, May 16, 2017 at 03:45:03PM -0700, Jason Ekstrand wrote: > > --- > > src/intel/isl/isl.c | 3 +-- > > src/intel/isl/isl_gen4.c | 51 ++++++++++++++++++++++++++++++ > ++++++++++++++++++ > > src/intel/isl/isl_gen4.h | 5 +++++ > > 3 files changed, 57 insertions(+), 2 deletions(-) > > > > diff --git a/src/intel/isl/isl.c b/src/intel/isl/isl.c > > index c728a85..321850e 100644 > > --- a/src/intel/isl/isl.c > > +++ b/src/intel/isl/isl.c > > @@ -296,8 +296,7 @@ isl_surf_choose_tiling(const struct isl_device *dev, > > if (ISL_DEV_GEN(dev) >= 6) { > > isl_gen6_filter_tiling(dev, info, &tiling_flags); > > } else { > > - isl_finishme("%s: gen%u", __func__, ISL_DEV_GEN(dev)); > > - isl_gen6_filter_tiling(dev, info, &tiling_flags); > > + isl_gen4_filter_tiling(dev, info, &tiling_flags); > > } > > > > #define CHOOSE(__tiling) \ > > diff --git a/src/intel/isl/isl_gen4.c b/src/intel/isl/isl_gen4.c > > index 9fed454..63547f7 100644 > > --- a/src/intel/isl/isl_gen4.c > > +++ b/src/intel/isl/isl_gen4.c > > @@ -38,6 +38,57 @@ isl_gen4_choose_msaa_layout(const struct isl_device > *dev, > > } > > > > void > > +isl_gen4_filter_tiling(const struct isl_device *dev, > > + const struct isl_surf_init_info *restrict info, > > + isl_tiling_flags_t *flags) > > +{ > > + /* Gen4-5 only support linear, X, and Y-tiling. */ > > + *flags &= ISL_TILING_LINEAR_BIT | ISL_TILING_X_BIT | > ISL_TILING_Y0_BIT; > > Can we put () around .. | .. | .. just as you have further down? > Sure. > > + > > + if (isl_surf_usage_is_depth_or_stencil(info->usage)) { > > + assert(!ISL_DEV_USE_SEPARATE_STENCIL(dev)); > > + > > + /* From the g35 PRM Vol. 2, 3DSTATE_DEPTH_BUFFER::Tile Walk: > > + * > > + * "The Depth Buffer, if tiled, must use Y-Major tiling" > > + */ > > + *flags &= ISL_TILING_LINEAR_BIT | ISL_TILING_Y0_BIT; > > Same here. > > > + } > > + > > + if (info->usage & (ISL_SURF_USAGE_DISPLAY_ROTATE_90_BIT | > > + ISL_SURF_USAGE_DISPLAY_ROTATE_180_BIT | > > + ISL_SURF_USAGE_DISPLAY_ROTATE_270_BIT)) { > > + assert(*flags & ISL_SURF_USAGE_DISPLAY_BIT); > > + isl_finishme("%s:%s: handle rotated display surfaces", > > + __FILE__, __func__); > > + } > > + > > + if (info->usage & (ISL_SURF_USAGE_DISPLAY_FLIP_X_BIT | > > + ISL_SURF_USAGE_DISPLAY_FLIP_Y_BIT)) { > > + assert(*flags & ISL_SURF_USAGE_DISPLAY_BIT); > > + isl_finishme("%s:%s: handle flipped display surfaces", > > + __FILE__, __func__); > > + } > > + > > + if (info->usage & ISL_SURF_USAGE_DISPLAY_BIT) { > > + /* Before Skylake, the display engine does not accept Y */ > > + *flags &= (ISL_TILING_LINEAR_BIT | ISL_TILING_X_BIT); > > + } > > + > > + assert(info->samples == 1); > > + > > + /* From the g35 PRM, Volume 1, 11.5.5, "Per-Stream Tile Format > Support": > > + * > > + * "NOTE: 128BPE Format Color buffer ( render target ) MUST be > either > > + * TileX or Linear." > > + * > > + * This is required all the way up to Sandy Bridge. > > + */ > > + if (isl_format_get_layout(info->format)->bpb >= 128) > > + *flags &= ~ISL_TILING_Y0_BIT; > > +} > > + > > +void > > isl_gen4_choose_image_alignment_el(const struct isl_device *dev, > > const struct isl_surf_init_info > *restrict info, > > enum isl_tiling tiling, > > diff --git a/src/intel/isl/isl_gen4.h b/src/intel/isl/isl_gen4.h > > index dc6102b..c04f7fb 100644 > > --- a/src/intel/isl/isl_gen4.h > > +++ b/src/intel/isl/isl_gen4.h > > @@ -37,6 +37,11 @@ isl_gen4_choose_msaa_layout(const struct isl_device > *dev, > > enum isl_msaa_layout *msaa_layout); > > > > void > > +isl_gen4_filter_tiling(const struct isl_device *dev, > > + const struct isl_surf_init_info *restrict info, > > + isl_tiling_flags_t *flags); > > + > > +void > > isl_gen4_choose_image_alignment_el(const struct isl_device *dev, > > const struct isl_surf_init_info > *restrict info, > > enum isl_tiling tiling, > > -- > > 2.5.0.400.gff86faf > > > > _______________________________________________ > > mesa-dev mailing list > > mesa-dev@lists.freedesktop.org > > https://lists.freedesktop.org/mailman/listinfo/mesa-dev >
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