diff options
Diffstat (limited to 'src/gallium/drivers/softpipe/sp_tex_sample.c')
| -rw-r--r-- | src/gallium/drivers/softpipe/sp_tex_sample.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/src/gallium/drivers/softpipe/sp_tex_sample.c b/src/gallium/drivers/softpipe/sp_tex_sample.c index f7309480bb..2b03d844f5 100644 --- a/src/gallium/drivers/softpipe/sp_tex_sample.c +++ b/src/gallium/drivers/softpipe/sp_tex_sample.c @@ -2566,6 +2566,45 @@ 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; + + /* 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); + + switch(texture->target) { + case PIPE_TEXTURE_1D_ARRAY: + dims[1] = texture->array_size; + /* fallthrough */ + case PIPE_TEXTURE_1D: + case PIPE_BUFFER: + return; + case PIPE_TEXTURE_2D_ARRAY: + dims[2] = texture->array_size; + /* fallthrough */ + case PIPE_TEXTURE_2D: + case PIPE_TEXTURE_CUBE: + case PIPE_TEXTURE_RECT: + dims[1] = u_minify(texture->height0, level); + return; + case PIPE_TEXTURE_3D: + dims[1] = u_minify(texture->height0, level); + dims[2] = u_minify(texture->depth0, level); + return; + default: + assert(!"unexpected texture target in sample_get_dims()"); + return; + } +} /** * Create a sampler variant for a given set of non-orthogonal state. @@ -2692,5 +2731,6 @@ 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; } |