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radv: add gs ring size calculations to pipeline.

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Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie
2017-01-20 10:21:19 +10:00
parent 99936d3606
commit 8f41fe4389
2 changed files with 34 additions and 0 deletions
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32
src/amd/vulkan/radv_pipeline.c
View File

@@ -1450,6 +1450,37 @@ radv_compute_vs_key(const VkGraphicsPipelineCreateInfo *pCreateInfo, bool as_es)
return key; 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 VkResult
radv_pipeline_init(struct radv_pipeline *pipeline, radv_pipeline_init(struct radv_pipeline *pipeline,
struct radv_device *device, struct radv_device *device,
@@ -1504,6 +1535,7 @@ radv_pipeline_init(struct radv_pipeline *pipeline,
pipeline->layout, &key); pipeline->layout, &key);
pipeline->active_stages |= mesa_to_vk_shader_stage(MESA_SHADER_GEOMETRY); pipeline->active_stages |= mesa_to_vk_shader_stage(MESA_SHADER_GEOMETRY);
calculate_gs_ring_sizes(pipeline);
} }
if (!modules[MESA_SHADER_FRAGMENT]) { if (!modules[MESA_SHADER_FRAGMENT]) {

2
src/amd/vulkan/radv_private.h
View File

@@ -939,6 +939,8 @@ struct radv_pipeline {
unsigned prim; unsigned prim;
unsigned gs_out; unsigned gs_out;
bool prim_restart_enable; bool prim_restart_enable;
unsigned esgs_ring_size;
unsigned gsvs_ring_size;
} graphics; } graphics;
}; };