gallium: in gen_mipmap, also set sampler lod_bias and do a flush() after rendering each level

This commit is contained in:
Brian Paul 2008-03-17 09:42:08 -06:00
parent f3c490634f
commit a2ab6930df
1 changed files with 6 additions and 0 deletions

View File

@ -282,8 +282,13 @@ st_render_mipmap(struct st_context *st,
/*
* Setup sampler state
* Note: we should only have to set the min/max LOD clamps to ensure
* we grab texels from the right mipmap level. But some hardware
* has trouble with min clamping so we also setting the lod_bias to
* try to work around that.
*/
sampler.min_lod = sampler.max_lod = srcLevel;
sampler.lod_bias = srcLevel;
sampler_cso = pipe->create_sampler_state(pipe, &sampler);
pipe->bind_sampler_states(pipe, 1, &sampler_cso);
@ -298,6 +303,7 @@ st_render_mipmap(struct st_context *st,
draw_quad(st->ctx);
pipe->flush(pipe, PIPE_FLUSH_WAIT);
pipe->delete_sampler_state(pipe, sampler_cso);
}