diff options
| author | Samuel Pitoiset <[email protected]> | 2019-08-29 09:18:54 +0200 |
|---|---|---|
| committer | Samuel Pitoiset <[email protected]> | 2019-08-29 16:08:37 +0200 |
| commit | b650ecfe31215c213876771134bf6685b7765601 (patch) | |
| tree | 3e5546bcd0c3b3587809cc63238b2eb5aefc6a3d /src/amd/vulkan | |
| parent | e64091ebd4187a383b122060d358780a376772a6 (diff) | |
radv/gfx10: compute the LDS size for exporting PrimID for VS
Signed-off-by: Samuel Pitoiset <[email protected]>
Reviewed-by: Bas Nieuwenhuizen <[email protected]>
Diffstat (limited to 'src/amd/vulkan')
| -rw-r--r-- | src/amd/vulkan/radv_pipeline.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/amd/vulkan/radv_pipeline.c b/src/amd/vulkan/radv_pipeline.c index ecd4edf6500..3e448db1fd5 100644 --- a/src/amd/vulkan/radv_pipeline.c +++ b/src/amd/vulkan/radv_pipeline.c @@ -1751,6 +1751,15 @@ calculate_ngg_info(const VkGraphicsPipelineCreateInfo *pCreateInfo, if (es_info->info.so.num_outputs) esvert_lds_size = 4 * es_info->info.so.num_outputs + 1; */ + + /* LDS size for passing data from GS to ES. + * GS stores Primitive IDs (one DWORD) into LDS at the address + * corresponding to the ES thread of the provoking vertex. All + * ES threads load and export PrimitiveID for their thread. + */ + if (!radv_pipeline_has_tess(pipeline) && + pipeline->shaders[MESA_SHADER_VERTEX]->info.vs.export_prim_id) + esvert_lds_size = MAX2(esvert_lds_size, 1); } unsigned max_gsprims = max_gsprims_base; |