diff options
| author | Kenneth Graunke <[email protected]> | 2015-12-17 21:39:28 -0800 |
|---|---|---|
| committer | Kenneth Graunke <[email protected]> | 2015-12-22 17:22:06 -0800 |
| commit | 2432643e89ece4ed642db7ec8d811e724d1e8a35 (patch) | |
| tree | 1b359d768575faa325e0aa6ecae01973fa58f8c9 /src/mesa | |
| parent | 239a4bdcd44529e9495d9e68cf5a157421753b3c (diff) | |
i965: Create and set a new brw_tcs_prog_data::outputs_written field.
When the application hasn't supplied a TCS, and we have to create one,
we need to know what VS outputs to copy to TES inputs.
To do this, we create a new program key field, and set it to the TES
InputsRead bitfield.
Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-by: Jordan Justen <[email protected]>
Diffstat (limited to 'src/mesa')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_compiler.h | 3 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_tcs.c | 17 |
2 files changed, 14 insertions, 6 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_compiler.h b/src/mesa/drivers/dri/i965/brw_compiler.h index 59084e62035..0ffaac7f5ce 100644 --- a/src/mesa/drivers/dri/i965/brw_compiler.h +++ b/src/mesa/drivers/dri/i965/brw_compiler.h @@ -200,6 +200,9 @@ struct brw_tcs_prog_key unsigned input_vertices; + /** A bitfield of per-vertex outputs written. */ + uint64_t outputs_written; + struct brw_sampler_prog_key_data tex; }; diff --git a/src/mesa/drivers/dri/i965/brw_tcs.c b/src/mesa/drivers/dri/i965/brw_tcs.c index 5de6f4859ad..1da87eedeec 100644 --- a/src/mesa/drivers/dri/i965/brw_tcs.c +++ b/src/mesa/drivers/dri/i965/brw_tcs.c @@ -201,19 +201,24 @@ brw_upload_tcs_prog(struct brw_context *brw) memset(&key, 0, sizeof(key)); - key.program_string_id = tcp->id; - key.input_vertices = ctx->TessCtrlProgram.patch_vertices; - /* _NEW_TEXTURE */ - brw_populate_sampler_prog_key_data(ctx, prog, stage_state->sampler_count, - &key.tex); - /* We need to specialize our code generation for tessellation levels * based on the domain the DS is expecting to tessellate. */ key.tes_primitive_mode = tep->program.PrimitiveMode; + if (tcp) { + key.program_string_id = tcp->id; + + /* _NEW_TEXTURE */ + brw_populate_sampler_prog_key_data(ctx, prog, stage_state->sampler_count, + &key.tex); + } else { + key.outputs_written = tep->program.Base.InputsRead; + } + + if (!brw_search_cache(&brw->cache, BRW_CACHE_TCS_PROG, &key, sizeof(key), &stage_state->prog_offset, &brw->tcs.prog_data)) { |