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authorSamuel Pitoiset <[email protected]>2019-07-09 09:18:25 +0200
committerSamuel Pitoiset <[email protected]>2019-07-10 15:17:08 +0200
commit4cadf4309c6785dbf067d95a570bc886e0370484 (patch)
tree714c0b8b4412a5e028199c12d6eaa448d73e9ce5 /src/amd
parent3303bc8b748256c5bfb959d0f35f34e6a7168354 (diff)
radv: compute correct number of input vertices for NGG
Signed-off-by: Samuel Pitoiset <[email protected]> Reviewed-by: Bas Nieuwenhuizen <[email protected]>
Diffstat (limited to 'src/amd')
-rw-r--r--src/amd/vulkan/radv_pipeline.c25
1 files changed, 24 insertions, 1 deletions
diff --git a/src/amd/vulkan/radv_pipeline.c b/src/amd/vulkan/radv_pipeline.c
index a5a7ca23bc8..f259f01bd75 100644
--- a/src/amd/vulkan/radv_pipeline.c
+++ b/src/amd/vulkan/radv_pipeline.c
@@ -1616,6 +1616,29 @@ static void clamp_gsprims_to_esverts(unsigned *max_gsprims, unsigned max_esverts
*max_gsprims = MIN2(*max_gsprims, 1 + max_reuse);
}
+static unsigned
+radv_get_num_input_vertices(struct radv_pipeline *pipeline)
+{
+ if (radv_pipeline_has_gs(pipeline)) {
+ struct radv_shader_variant *gs =
+ radv_get_shader(pipeline, MESA_SHADER_GEOMETRY);
+
+ return gs->info.gs.vertices_in;
+ }
+
+ if (radv_pipeline_has_tess(pipeline)) {
+ struct radv_shader_variant *tes = radv_get_shader(pipeline, MESA_SHADER_TESS_EVAL);
+
+ if (tes->info.tes.point_mode)
+ return 1;
+ if (tes->info.tes.primitive_mode == GL_ISOLINES)
+ return 2;
+ return 3;
+ }
+
+ return 3;
+}
+
static struct radv_ngg_state
calculate_ngg_info(const VkGraphicsPipelineCreateInfo *pCreateInfo,
struct radv_pipeline *pipeline)
@@ -1625,7 +1648,7 @@ calculate_ngg_info(const VkGraphicsPipelineCreateInfo *pCreateInfo,
struct radv_es_output_info *es_info =
radv_pipeline_has_tess(pipeline) ? &gs_info->tes.es_info : &gs_info->vs.es_info;
unsigned gs_type = radv_pipeline_has_gs(pipeline) ? MESA_SHADER_GEOMETRY : MESA_SHADER_VERTEX;
- unsigned max_verts_per_prim = 3; // triangles
+ unsigned max_verts_per_prim = radv_get_num_input_vertices(pipeline);
unsigned min_verts_per_prim =
gs_type == MESA_SHADER_GEOMETRY ? max_verts_per_prim : 1;
unsigned gs_num_invocations = 1;//MAX2(gs_info->gs.invocations, 1);