diff options
| author | Samuel Iglesias Gonsalvez <[email protected]> | 2014-07-18 13:04:36 +0200 |
|---|---|---|
| committer | Iago Toral Quiroga <[email protected]> | 2014-09-19 15:01:16 +0200 |
| commit | 6947a8a593ce1252ef380d653f29f8e225ef8b83 (patch) | |
| tree | ba90ccb43332d0cf171dbaebc83137a134c9f7fc | |
| parent | c66165ab2b15047792808433b788632a4b9df287 (diff) | |
i965/gen6/gs: Enable transform feedback support in geometry shaders
Signed-off-by: Samuel Iglesias Gonsalvez <[email protected]>
Acked-by: Kenneth Graunke <[email protected]>
Reviewed-by: Jordan Justen <[email protected]>
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_vec4_gs.c | 6 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/gen6_gs_state.c | 13 |
2 files changed, 11 insertions, 8 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_vec4_gs.c b/src/mesa/drivers/dri/i965/brw_vec4_gs.c index 3c618828c2e..c8814fe70cc 100644 --- a/src/mesa/drivers/dri/i965/brw_vec4_gs.c +++ b/src/mesa/drivers/dri/i965/brw_vec4_gs.c @@ -105,6 +105,12 @@ do_gs_prog(struct brw_context *brw, } else { /* There are no control data bits in gen6. */ c.control_data_bits_per_vertex = 0; + + /* If it is using transform feedback, enable it */ + if (prog->TransformFeedback.NumVarying) + c.prog_data.gen6_xfb_enabled = true; + else + c.prog_data.gen6_xfb_enabled = false; } c.control_data_header_size_bits = gp->program.VerticesOut * c.control_data_bits_per_vertex; diff --git a/src/mesa/drivers/dri/i965/gen6_gs_state.c b/src/mesa/drivers/dri/i965/gen6_gs_state.c index 6b4e99386f0..85eb46dbd82 100644 --- a/src/mesa/drivers/dri/i965/gen6_gs_state.c +++ b/src/mesa/drivers/dri/i965/gen6_gs_state.c @@ -154,10 +154,7 @@ upload_gs_state(struct brw_context *brw) GEN6_GS_SO_STATISTICS_ENABLE | GEN6_GS_RENDERING_ENABLE); - /* FIXME: Enable SVBI payload only when TF is enable in SNB for - * user-provided GS. - */ - if (0) { + if (brw->gs.prog_data->gen6_xfb_enabled) { /* GEN6_GS_REORDER is equivalent to GEN7_GS_REORDER_TRAILING * in gen7. SNB and IVB specs are the same regarding the reordering of * TRISTRIP/TRISTRIP_REV vertices and triangle orientation, so we do @@ -166,9 +163,6 @@ upload_gs_state(struct brw_context *brw) */ OUT_BATCH(GEN6_GS_REORDER | GEN6_GS_SVBI_PAYLOAD_ENABLE | - GEN6_GS_SVBI_POSTINCREMENT_ENABLE | - /* FIXME: prog_data->svbi_postincrement_value instead of 0 */ - (0 << GEN6_GS_SVBI_POSTINCREMENT_VALUE_SHIFT) | GEN6_GS_ENABLE); } else { OUT_BATCH(GEN6_GS_REORDER | GEN6_GS_ENABLE); @@ -202,7 +196,10 @@ upload_gs_state(struct brw_context *brw) const struct brw_tracked_state gen6_gs_state = { .dirty = { .mesa = _NEW_TRANSFORM | _NEW_PROGRAM_CONSTANTS, - .brw = BRW_NEW_CONTEXT | BRW_NEW_PUSH_CONSTANT_ALLOCATION, + .brw = (BRW_NEW_CONTEXT | + BRW_NEW_PUSH_CONSTANT_ALLOCATION | + BRW_NEW_GEOMETRY_PROGRAM | + BRW_NEW_BATCH), .cache = (CACHE_NEW_GS_PROG | CACHE_NEW_FF_GS_PROG) }, .emit = upload_gs_state, |