diff options
| author | Rob Clark <[email protected]> | 2015-07-24 17:07:23 -0400 |
|---|---|---|
| committer | Rob Clark <[email protected]> | 2015-07-27 13:51:06 -0400 |
| commit | 65d36a109a7dd333c15180a0f30ad919eb01d78f (patch) | |
| tree | a56b976ad2eb9276bd5d3ba72fb8869337f264cd /src/gallium/drivers/freedreno/a4xx/fd4_emit.c | |
| parent | 1b1ef6b4573ab9f21abd5fb374bc74d03390146d (diff) | |
freedreno/a3xx+a4xx: add support for vtxcnt semantic
This will be used for stream-out (transform-feedback)
Signed-off-by: Rob Clark <[email protected]>
Diffstat (limited to 'src/gallium/drivers/freedreno/a4xx/fd4_emit.c')
| -rw-r--r-- | src/gallium/drivers/freedreno/a4xx/fd4_emit.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/src/gallium/drivers/freedreno/a4xx/fd4_emit.c b/src/gallium/drivers/freedreno/a4xx/fd4_emit.c index 4462a82777f..62a1e9ee955 100644 --- a/src/gallium/drivers/freedreno/a4xx/fd4_emit.c +++ b/src/gallium/drivers/freedreno/a4xx/fd4_emit.c @@ -251,7 +251,9 @@ fd4_emit_vertex_bufs(struct fd_ringbuffer *ring, struct fd4_emit *emit) uint32_t total_in = 0; const struct fd_vertex_state *vtx = emit->vtx; struct ir3_shader_variant *vp = fd4_emit_get_vp(emit); - unsigned vertex_regid = regid(63, 0), instance_regid = regid(63, 0); + unsigned vertex_regid = regid(63, 0); + unsigned instance_regid = regid(63, 0); + unsigned vtxcnt_regid = regid(63, 0); for (i = 0; i < vp->inputs_count; i++) { uint8_t semantic = sem2name(vp->inputs[i].semantic); @@ -259,6 +261,8 @@ fd4_emit_vertex_bufs(struct fd_ringbuffer *ring, struct fd4_emit *emit) vertex_regid = vp->inputs[i].regid; else if (semantic == TGSI_SEMANTIC_INSTANCEID) instance_regid = vp->inputs[i].regid; + else if (semantic == IR3_SEMANTIC_VTXCNT) + vtxcnt_regid = vp->inputs[i].regid; else if ((i < vtx->vtx->num_elements) && vp->inputs[i].compmask) last = i; } @@ -266,7 +270,8 @@ fd4_emit_vertex_bufs(struct fd_ringbuffer *ring, struct fd4_emit *emit) /* hw doesn't like to be configured for zero vbo's, it seems: */ if ((vtx->vtx->num_elements == 0) && (vertex_regid == regid(63, 0)) && - (instance_regid == regid(63, 0))) + (instance_regid == regid(63, 0)) && + (vtxcnt_regid == regid(63, 0))) return; for (i = 0, j = 0; i <= last; i++) { @@ -280,7 +285,8 @@ fd4_emit_vertex_bufs(struct fd_ringbuffer *ring, struct fd4_emit *emit) enum a4xx_vtx_fmt fmt = fd4_pipe2vtx(pfmt); bool switchnext = (i != last) || (vertex_regid != regid(63, 0)) || - (instance_regid != regid(63, 0)); + (instance_regid != regid(63, 0)) || + (vtxcnt_regid != regid(63, 0)); bool isint = util_format_is_pure_integer(pfmt); uint32_t fs = util_format_get_blocksize(pfmt); uint32_t off = vb->buffer_offset + elem->src_offset; @@ -321,7 +327,7 @@ fd4_emit_vertex_bufs(struct fd_ringbuffer *ring, struct fd4_emit *emit) A4XX_VFD_CONTROL_1_REGID4VTX(vertex_regid) | A4XX_VFD_CONTROL_1_REGID4INST(instance_regid)); OUT_RING(ring, 0x00000000); /* XXX VFD_CONTROL_2 */ - OUT_RING(ring, A4XX_VFD_CONTROL_3_REGID_VTXCNT(regid(63, 0))); + OUT_RING(ring, A4XX_VFD_CONTROL_3_REGID_VTXCNT(vtxcnt_regid)); OUT_RING(ring, 0x00000000); /* XXX VFD_CONTROL_4 */ /* cache invalidate, otherwise vertex fetch could see |