From 4cadf4309c6785dbf067d95a570bc886e0370484 Mon Sep 17 00:00:00 2001 From: Samuel Pitoiset Date: Tue, 9 Jul 2019 09:18:25 +0200 Subject: [PATCH] radv: compute correct number of input vertices for NGG Signed-off-by: Samuel Pitoiset Reviewed-by: Bas Nieuwenhuizen --- src/amd/vulkan/radv_pipeline.c | 25 ++++++++++++++++++++++++- 1 file changed, 24 insertions(+), 1 deletion(-) 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); -- 2.30.2