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crocus/gen8: add streamout support

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Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11507>
This commit is contained in:
Dave Airlie 2021-06-22 05:02:59 +10:00 • committed by Marge Bot
parent 750e0c1ff3
commit 88bba6a49e
1 changed files with 36 additions and 1 deletions
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37
src/gallium/drivers/crocus/crocus_state.c
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@ -3803,6 +3803,10 @@ struct crocus_stream_output_target {
struct crocus_streamout_counter prev_count;
struct crocus_streamout_counter count;
#endif
#if GFX_VER == 8
/** Does the next 3DSTATE_SO_BUFFER need to zero the offsets? */
bool zero_offset;
#endif
};
#if GFX_VER >= 7
@ -4064,8 +4068,13 @@ crocus_set_stream_output_targets(struct pipe_context *ctx,
struct crocus_stream_output_target *tgt =
(void *) ice->state.so_target[i];
if (offsets[i] == 0)
if (offsets[i] == 0) {
#if GFX_VER == 8
if (tgt)
tgt->zero_offset = true;
#endif
crocus_load_register_imm32(batch, GEN7_SO_WRITE_OFFSET(i), 0);
}
else if (tgt)
crocus_load_register_mem32(batch, GEN7_SO_WRITE_OFFSET(i),
tgt->offset_res->bo,
@ -4193,10 +4202,18 @@ crocus_create_so_decl_list(const struct pipe_stream_output_info *info,
// TODO: Double-check that stride == 0 means no buffer. Probably this
// needs to go elsewhere, where the buffer enable stuff is actually
// known.
#if GFX_VER < 8
sol.SOBufferEnable0 = !!info->stride[0];
sol.SOBufferEnable1 = !!info->stride[1];
sol.SOBufferEnable2 = !!info->stride[2];
sol.SOBufferEnable3 = !!info->stride[3];
#else
/* Set buffer pitches; 0 means unbound. */
sol.Buffer0SurfacePitch = 4 * info->stride[0];
sol.Buffer1SurfacePitch = 4 * info->stride[1];
sol.Buffer2SurfacePitch = 4 * info->stride[2];
sol.Buffer3SurfacePitch = 4 * info->stride[3];
#endif
}
crocus_pack_command(GENX(3DSTATE_SO_DECL_LIST), so_decl_map, list) {
@ -6282,13 +6299,31 @@ crocus_upload_dirty_render_state(struct crocus_context *ice,
}
struct crocus_resource *res = (void *) tgt->base.buffer;
uint32_t start = tgt->base.buffer_offset;
#if GFX_VER < 8
uint32_t end = ALIGN(start + tgt->base.buffer_size, 4);
#endif
crocus_emit_cmd(batch, GENX(3DSTATE_SO_BUFFER), sob) {
sob.SOBufferIndex = i;
sob.SurfaceBaseAddress = rw_bo(res->bo, start);
#if GFX_VER < 8
sob.SurfacePitch = tgt->stride;
sob.SurfaceEndAddress = rw_bo(res->bo, end);
#else
sob.SOBufferEnable = true;
sob.StreamOffsetWriteEnable = true;
sob.StreamOutputBufferOffsetAddressEnable = true;
sob.MOCS = crocus_mocs(res->bo, &batch->screen->isl_dev);
sob.SurfaceSize = MAX2(tgt->base.buffer_size / 4, 1) - 1;
sob.StreamOutputBufferOffsetAddress =
rw_bo(crocus_resource_bo(&tgt->offset_res->base), tgt->offset_offset);
if (tgt->zero_offset) {
sob.StreamOffset = 0;
tgt->zero_offset = false;
} else
sob.StreamOffset = 0xFFFFFFFF; /* not offset, see above */
#endif
}
}
}