diff options
Diffstat (limited to 'src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline_llvm.c')
-rw-r--r-- | src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline_llvm.c | 27 |
1 files changed, 17 insertions, 10 deletions
diff --git a/src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline_llvm.c b/src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline_llvm.c index a53a768d02..2e3afb22c4 100644 --- a/src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline_llvm.c +++ b/src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline_llvm.c @@ -34,6 +34,7 @@ #include "draw/draw_pt.h" #include "draw/draw_vs.h" #include "draw/draw_llvm.h" +#include "gallivm/lp_bld_init.h" struct llvm_middle_end { @@ -72,19 +73,18 @@ llvm_middle_end_prepare( struct draw_pt_middle_end *middle, struct draw_llvm_variant_list_item *li; unsigned i; unsigned instance_id_index = ~0; - - - unsigned out_prim = (draw->gs.geometry_shader ? - draw->gs.geometry_shader->output_primitive : - in_prim); + const unsigned out_prim = (draw->gs.geometry_shader ? + draw->gs.geometry_shader->output_primitive : + in_prim); /* Add one to num_outputs because the pipeline occasionally tags on * an additional texcoord, eg for AA lines. */ - unsigned nr = MAX2( shader->base.info.num_inputs, - shader->base.info.num_outputs + 1 ); + const unsigned nr = MAX2( shader->base.info.num_inputs, + shader->base.info.num_outputs + 1 ); /* Scan for instanceID system value. + * XXX but we never use instance_id_index?! */ for (i = 0; i < shader->base.info.num_inputs; i++) { if (shader->base.info.input_semantic_name[i] == TGSI_SEMANTIC_INSTANCEID) { @@ -133,9 +133,10 @@ llvm_middle_end_prepare( struct draw_pt_middle_end *middle, key = draw_llvm_make_variant_key(fpme->llvm, store); + /* Search shader's list of variants for the key */ li = first_elem(&shader->variants); - while(!at_end(&shader->variants, li)) { - if(memcmp(&li->base->key, key, shader->variant_key_size) == 0) { + while (!at_end(&shader->variants, li)) { + if (memcmp(&li->base->key, key, shader->variant_key_size) == 0) { variant = li->base; break; } @@ -143,10 +144,16 @@ llvm_middle_end_prepare( struct draw_pt_middle_end *middle, } if (variant) { + /* found the variant, move to head of global list (for LRU) */ move_to_head(&fpme->llvm->vs_variants_list, &variant->list_item_global); } else { + /* Need to create new variant */ unsigned i; + + /* First check if we've created too many variants. If so, free + * 25% of the LRU to avoid using too much memory. + */ if (fpme->llvm->nr_variants >= DRAW_MAX_SHADER_VARIANTS) { /* * XXX: should we flush here ? @@ -422,7 +429,7 @@ draw_pt_fetch_pipeline_or_emit_llvm(struct draw_context *draw) { struct llvm_middle_end *fpme = 0; - if (!draw->engine) + if (!draw->llvm->gallivm->engine) return NULL; fpme = CALLOC_STRUCT( llvm_middle_end ); |