diff options
| author | Dave Airlie <[email protected]> | 2017-10-25 08:05:11 +1000 |
|---|---|---|
| committer | Dave Airlie <[email protected]> | 2017-10-25 10:01:13 +1000 |
| commit | 3cd3035aceeafa212a95cf3784fa21a978bdd09f (patch) | |
| tree | eaf99fca7348a37e59a5b5f99b2a9f8716db4892 /src/amd | |
| parent | b704538b00ee082ecb32e2bd2b0d610f791bcce0 (diff) | |
radv: use a define for the transition point between cp and compute shader
For certain buffer meta ops we can use the CP or a compute shader,
we should use a define to rather than hardcoding 4096, allows
for easier testing and more consistency.
Reviewed-by: Samuel Pitoiset <[email protected]>
Reviewed-by: Bas Nieuwenhuizen <[email protected]>
Signed-off-by: Dave Airlie <[email protected]>
Diffstat (limited to 'src/amd')
| -rw-r--r-- | src/amd/vulkan/radv_meta_buffer.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/src/amd/vulkan/radv_meta_buffer.c b/src/amd/vulkan/radv_meta_buffer.c index e009234f045..a737dbeec39 100644 --- a/src/amd/vulkan/radv_meta_buffer.c +++ b/src/amd/vulkan/radv_meta_buffer.c @@ -4,6 +4,12 @@ #include "sid.h" #include "radv_cs.h" +/* + * This is the point we switch from using CP to compute shader + * for certain buffer operations. + */ +#define RADV_BUFFER_OPS_CS_THRESHOLD 4096 + static nir_shader * build_buffer_fill_shader(struct radv_device *dev) { @@ -405,7 +411,7 @@ void radv_fill_buffer(struct radv_cmd_buffer *cmd_buffer, assert(!(offset & 3)); assert(!(size & 3)); - if (size >= 4096) + if (size >= RADV_BUFFER_OPS_CS_THRESHOLD) fill_buffer_shader(cmd_buffer, bo, offset, size, value); else if (size) { uint64_t va = radv_buffer_get_va(bo); @@ -422,7 +428,7 @@ void radv_copy_buffer(struct radv_cmd_buffer *cmd_buffer, uint64_t src_offset, uint64_t dst_offset, uint64_t size) { - if (size >= 4096 && !(size & 3) && !(src_offset & 3) && !(dst_offset & 3)) + if (size >= RADV_BUFFER_OPS_CS_THRESHOLD && !(size & 3) && !(src_offset & 3) && !(dst_offset & 3)) copy_buffer_shader(cmd_buffer, src_bo, dst_bo, src_offset, dst_offset, size); else if (size) { @@ -496,7 +502,7 @@ void radv_CmdUpdateBuffer( if (!dataSize) return; - if (dataSize < 4096) { + if (dataSize < RADV_BUFFER_OPS_CS_THRESHOLD) { si_emit_cache_flush(cmd_buffer); cmd_buffer->device->ws->cs_add_buffer(cmd_buffer->cs, dst_buffer->bo, 8); |