diff options
Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_nir.c')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_nir.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_nir.c b/src/mesa/drivers/dri/i965/brw_nir.c index 62f3171..b8eeaa0 100644 --- a/src/mesa/drivers/dri/i965/brw_nir.c +++ b/src/mesa/drivers/dri/i965/brw_nir.c @@ -416,6 +416,33 @@ brw_create_nir(struct brw_context *brw, return nir; } +nir_shader * +brw_nir_apply_sampler_key(nir_shader *nir, + const struct brw_device_info *devinfo, + const struct brw_sampler_prog_key_data *key_tex, + bool is_scalar) +{ + nir_lower_tex_options tex_options = { 0 }; + + /* Iron Lake and prior require lowering of all rectangle textures */ + if (devinfo->gen < 6) + tex_options.lower_rect = true; + + /* Prior to Broadwell, our hardware can't actually do GL_CLAMP */ + if (devinfo->gen < 8) { + tex_options.saturate_s = key_tex->gl_clamp_mask[0]; + tex_options.saturate_t = key_tex->gl_clamp_mask[1]; + tex_options.saturate_r = key_tex->gl_clamp_mask[2]; + } + + if (nir_lower_tex(nir, &tex_options)) { + nir_validate_shader(nir); + nir = nir_optimize(nir, is_scalar); + } + + return nir; +} + enum brw_reg_type brw_type_for_nir_type(nir_alu_type type) { |