From: Dave Airlie <[email protected]> This adds the get_dims callback that is called from the tgsi exec_txq.
It returns values as per EXT_gpu_program4. Signed-off-by: Dave Airlie <[email protected]> --- src/gallium/drivers/softpipe/sp_tex_sample.c | 36 ++++++++++++++++++++++++++ 1 files changed, 36 insertions(+), 0 deletions(-) diff --git a/src/gallium/drivers/softpipe/sp_tex_sample.c b/src/gallium/drivers/softpipe/sp_tex_sample.c index f730948..4929f92 100644 --- a/src/gallium/drivers/softpipe/sp_tex_sample.c +++ b/src/gallium/drivers/softpipe/sp_tex_sample.c @@ -2566,6 +2566,41 @@ sp_sampler_variant_destroy( struct sp_sampler_variant *samp ) FREE(samp); } +static void +sample_get_dims(struct tgsi_sampler *tgsi_sampler, int level, + int dims[4]) +{ + struct sp_sampler_variant *samp = sp_sampler_variant(tgsi_sampler); + const struct pipe_sampler_view *view = samp->view; + const struct pipe_resource *texture = view->texture; + const struct pipe_sampler_state *sampler = samp->sampler; + + /* undefined according to EXT_gpu_program */ + level += view->u.tex.first_level; + if (level > view->u.tex.last_level) + return; + + dims[0] = u_minify(texture->width0, level); + if (texture->target == PIPE_TEXTURE_1D) + return; + + if (texture->target == PIPE_TEXTURE_1D_ARRAY) { + dims[1] = texture->array_size; + return; + } + + dims[1] = u_minify(texture->height0, level); + + if (texture->target == PIPE_TEXTURE_2D_ARRAY) { + dims[2] = texture->array_size; + return; + } + + if (texture->target != PIPE_TEXTURE_3D) + return; + + dims[2] = u_minify(texture->depth0, level); +} /** * Create a sampler variant for a given set of non-orthogonal state. @@ -2692,5 +2727,6 @@ sp_create_sampler_variant( const struct pipe_sampler_state *sampler, samp->base.get_samples = samp->sample_target; } + samp->base.get_dims = sample_get_dims; return samp; } -- 1.7.6 _______________________________________________ mesa-dev mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/mesa-dev
