diff options
| author | Plamena Manolova <[email protected]> | 2019-10-23 23:45:58 +0100 |
|---|---|---|
| committer | Plamena Manolova <[email protected]> | 2019-10-29 19:20:25 +0000 |
| commit | 0f610e17bc743b9eff23688281d658f0866b79a2 (patch) | |
| tree | 89f633880d4b9dccc6ebc4590167b97e2d833518 /src/gallium | |
| parent | 665b81e29a2655b1c317ddb441635cf23ae04862 (diff) | |
iris: Implement new way for setting streamout buffers.
For gen12 we set the streamout buffers using 4 separate
commands instead of 3DSTATE_SO_BUFFER.
Signed-off-by: Plamena Manolova <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
Reviewed-by: Jason Ekstrand <[email protected]>
Diffstat (limited to 'src/gallium')
| -rw-r--r-- | src/gallium/drivers/iris/iris_defines.h | 10 | ||||
| -rw-r--r-- | src/gallium/drivers/iris/iris_state.c | 16 |
2 files changed, 23 insertions, 3 deletions
diff --git a/src/gallium/drivers/iris/iris_defines.h b/src/gallium/drivers/iris/iris_defines.h index d36b6452612..ca103927800 100644 --- a/src/gallium/drivers/iris/iris_defines.h +++ b/src/gallium/drivers/iris/iris_defines.h @@ -55,4 +55,14 @@ /* The number of bits in our TIMESTAMP queries. */ #define TIMESTAMP_BITS 36 +/* For gen12 we set the streamout buffers using 4 separate commands + * (3DSTATE_SO_BUFFER_INDEX_*) instead of 3DSTATE_SO_BUFFER. However the layout + * of the 3DSTATE_SO_BUFFER_INDEX_* commands is identical to that of + * 3DSTATE_SO_BUFFER apart from the SOBufferIndex field, so for now we use the + * 3DSTATE_SO_BUFFER command, but change the 3DCommandSubOpcode. + * SO_BUFFER_INDEX_0_CMD is actually the 3DCommandSubOpcode for + * 3DSTATE_SO_BUFFER_INDEX_0. + */ +#define SO_BUFFER_INDEX_0_CMD 0x60 + #endif diff --git a/src/gallium/drivers/iris/iris_state.c b/src/gallium/drivers/iris/iris_state.c index 5fe2b94b65a..e55ccc08b61 100644 --- a/src/gallium/drivers/iris/iris_state.c +++ b/src/gallium/drivers/iris/iris_state.c @@ -3545,8 +3545,14 @@ iris_set_stream_output_targets(struct pipe_context *ctx, unsigned offset = offsets[i]; if (!tgt) { - iris_pack_command(GENX(3DSTATE_SO_BUFFER), so_buffers, sob) + iris_pack_command(GENX(3DSTATE_SO_BUFFER), so_buffers, sob) { +#if GEN_GEN < 12 sob.SOBufferIndex = i; +#else + sob._3DCommandOpcode = 0; + sob._3DCommandSubOpcode = SO_BUFFER_INDEX_0_CMD + i; +#endif + } continue; } @@ -3567,6 +3573,12 @@ iris_set_stream_output_targets(struct pipe_context *ctx, offset = 0; iris_pack_command(GENX(3DSTATE_SO_BUFFER), so_buffers, sob) { +#if GEN_GEN < 12 + sob.SOBufferIndex = i; +#else + sob._3DCommandOpcode = 0; + sob._3DCommandSubOpcode = SO_BUFFER_INDEX_0_CMD + i; +#endif sob.SurfaceBaseAddress = rw_bo(NULL, res->bo->gtt_offset + tgt->base.buffer_offset); sob.SOBufferEnable = true; @@ -3575,8 +3587,6 @@ iris_set_stream_output_targets(struct pipe_context *ctx, sob.MOCS = mocs(res->bo); sob.SurfaceSize = MAX2(tgt->base.buffer_size / 4, 1) - 1; - - sob.SOBufferIndex = i; sob.StreamOffset = offset; sob.StreamOutputBufferOffsetAddress = rw_bo(NULL, iris_resource_bo(tgt->offset.res)->gtt_offset + |