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i965: Only resolve texture levels/layers that are accessed. 

This should avoid unnecessary resolves when working with texture views.

Reviewed-by: Topi Pohjolainen <topi.pohjolainen@intel.com>
Reviewed-by; Jason Ekstrand <jason@jlekstrand.net>
This commit is contained in:
Kenneth Graunke 2017-10-16 12:28:17 -07:00
parent 0954ce1000
commit e208d7f874
1 changed files with 16 additions and 2 deletions
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18
src/mesa/drivers/dri/i965/brw_draw.c
View File

@ -399,12 +399,26 @@ brw_predraw_resolve_inputs(struct brw_context *brw)
enum isl_format view_format =
translate_tex_format(brw, tex_obj->_Format, sampler->sRGBDecode);
unsigned min_level, min_layer, num_levels, num_layers;
if (tex_obj->base.Immutable) {
min_level = tex_obj->base.MinLevel;
num_levels = MIN2(tex_obj->base.NumLevels, tex_obj->_MaxLevel + 1);
min_layer = tex_obj->base.MinLayer;
num_layers = tex_obj->base.Target != GL_TEXTURE_3D ?
tex_obj->base.NumLayers : INTEL_REMAINING_LAYERS;
} else {
min_level = tex_obj->base.BaseLevel;
num_levels = tex_obj->_MaxLevel - tex_obj->base.BaseLevel + 1;
min_layer = 0;
num_layers = INTEL_REMAINING_LAYERS;
}
const bool disable_aux =
intel_disable_rb_aux_buffer(brw, tex_obj->mt, "for sampling");
intel_miptree_prepare_texture(brw, tex_obj->mt, view_format,
0, INTEL_REMAINING_LEVELS,
0, INTEL_REMAINING_LAYERS,
min_level, num_levels,
min_layer, num_layers,
disable_aux);
brw_render_cache_set_check_flush(brw, tex_obj->mt->bo);