diff options
| author | Dave Airlie <[email protected]> | 2017-01-20 10:21:19 +1000 |
|---|---|---|
| committer | Dave Airlie <[email protected]> | 2017-01-31 09:30:15 +1000 |
| commit | 8f41fe4389a820d243651a31c7e44ba57735b3ff (patch) | |
| tree | f34537af05ef133d71c461ab3449e0b05ec156e2 /src/amd/vulkan/radv_pipeline.c | |
| parent | 99936d360610ee06fec5c29e73dd295402e2c357 (diff) | |
radv: add gs ring size calculations to pipeline.
Reviewed-by: Bas Nieuwenhuizen <[email protected]>
Signed-off-by: Dave Airlie <[email protected]>
Diffstat (limited to 'src/amd/vulkan/radv_pipeline.c')
| -rw-r--r-- | src/amd/vulkan/radv_pipeline.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/src/amd/vulkan/radv_pipeline.c b/src/amd/vulkan/radv_pipeline.c index 4b5c5435dfd..279a0767efd 100644 --- a/src/amd/vulkan/radv_pipeline.c +++ b/src/amd/vulkan/radv_pipeline.c @@ -1450,6 +1450,37 @@ radv_compute_vs_key(const VkGraphicsPipelineCreateInfo *pCreateInfo, bool as_es) return key; } +static void +calculate_gs_ring_sizes(struct radv_pipeline *pipeline) +{ + struct radv_device *device = pipeline->device; + unsigned num_se = device->physical_device->rad_info.max_se; + unsigned wave_size = 64; + unsigned max_gs_waves = 32 * num_se; /* max 32 per SE on GCN */ + unsigned gs_vertex_reuse = 16 * num_se; /* GS_VERTEX_REUSE register (per SE) */ + unsigned alignment = 256 * num_se; + /* The maximum size is 63.999 MB per SE. */ + unsigned max_size = ((unsigned)(63.999 * 1024 * 1024) & ~255) * num_se; + + struct ac_shader_variant_info *gs_info = &pipeline->shaders[MESA_SHADER_GEOMETRY]->info; + struct ac_shader_variant_info *es_info = &pipeline->shaders[MESA_SHADER_VERTEX]->info; + /* Calculate the minimum size. */ + unsigned min_esgs_ring_size = align(es_info->vs.esgs_itemsize * gs_vertex_reuse * + wave_size, alignment); + /* These are recommended sizes, not minimum sizes. */ + unsigned esgs_ring_size = max_gs_waves * 2 * wave_size * + es_info->vs.esgs_itemsize * gs_info->gs.vertices_in; + unsigned gsvs_ring_size = max_gs_waves * 2 * wave_size * + gs_info->gs.max_gsvs_emit_size * 1; // no streams in VK (gs->max_gs_stream + 1); + + min_esgs_ring_size = align(min_esgs_ring_size, alignment); + esgs_ring_size = align(esgs_ring_size, alignment); + gsvs_ring_size = align(gsvs_ring_size, alignment); + + pipeline->graphics.esgs_ring_size = CLAMP(esgs_ring_size, min_esgs_ring_size, max_size); + pipeline->graphics.gsvs_ring_size = MIN2(gsvs_ring_size, max_size); +} + VkResult radv_pipeline_init(struct radv_pipeline *pipeline, struct radv_device *device, @@ -1504,6 +1535,7 @@ radv_pipeline_init(struct radv_pipeline *pipeline, pipeline->layout, &key); pipeline->active_stages |= mesa_to_vk_shader_stage(MESA_SHADER_GEOMETRY); + calculate_gs_ring_sizes(pipeline); } if (!modules[MESA_SHADER_FRAGMENT]) { |