From 1db276ba23805984197493c858187acd782c2e9f Mon Sep 17 00:00:00 2001 From: Samuel Pitoiset Date: Thu, 9 Jan 2020 08:24:11 +0100 Subject: [PATCH] radv/gfx10: add support for NGG passthrough mode Signed-off-by: Samuel Pitoiset Reviewed-by: Bas Nieuwenhuizen --- src/amd/vulkan/radv_nir_to_llvm.c | 22 +++++++++++++--------- src/amd/vulkan/radv_pipeline.c | 2 ++ 2 files changed, 15 insertions(+), 9 deletions(-) diff --git a/src/amd/vulkan/radv_nir_to_llvm.c b/src/amd/vulkan/radv_nir_to_llvm.c index e646ea4f93c..e870a38e059 100644 --- a/src/amd/vulkan/radv_nir_to_llvm.c +++ b/src/amd/vulkan/radv_nir_to_llvm.c @@ -2974,15 +2974,19 @@ handle_ngg_outputs_post_2(struct radv_shader_context *ctx) { struct ac_ngg_prim prim = {}; - prim.num_vertices = num_vertices; - prim.isnull = ctx->ac.i1false; - memcpy(prim.index, vtxindex, sizeof(vtxindex[0]) * 3); - - for (unsigned i = 0; i < num_vertices; ++i) { - tmp = LLVMBuildLShr(builder, - ac_get_arg(&ctx->ac, ctx->args->ac.gs_invocation_id), - LLVMConstInt(ctx->ac.i32, 8 + i, false), ""); - prim.edgeflag[i] = LLVMBuildTrunc(builder, tmp, ctx->ac.i1, ""); + if (ctx->args->options->key.vs_common_out.as_ngg_passthrough) { + prim.passthrough = ac_get_arg(&ctx->ac, ctx->args->gs_vtx_offset[0]); + } else { + prim.num_vertices = num_vertices; + prim.isnull = ctx->ac.i1false; + memcpy(prim.index, vtxindex, sizeof(vtxindex[0]) * 3); + + for (unsigned i = 0; i < num_vertices; ++i) { + tmp = LLVMBuildLShr(builder, + ac_get_arg(&ctx->ac, ctx->args->ac.gs_invocation_id), + LLVMConstInt(ctx->ac.i32, 8 + i, false), ""); + prim.edgeflag[i] = LLVMBuildTrunc(builder, tmp, ctx->ac.i1, ""); + } } ac_build_export_prim(&ctx->ac, &prim); diff --git a/src/amd/vulkan/radv_pipeline.c b/src/amd/vulkan/radv_pipeline.c index 12fea44bed8..dcc9518bfe9 100644 --- a/src/amd/vulkan/radv_pipeline.c +++ b/src/amd/vulkan/radv_pipeline.c @@ -4475,6 +4475,8 @@ radv_compute_vgt_shader_stages_en(const struct radv_pipeline *pipeline) stages |= S_028B54_PRIMGEN_EN(1); if (pipeline->streamout_shader) stages |= S_028B54_NGG_WAVE_ID_EN(1); + if (radv_pipeline_has_ngg_passthrough(pipeline)) + stages |= S_028B54_PRIMGEN_PASSTHRU_EN(1); } else if (radv_pipeline_has_gs(pipeline)) { stages |= S_028B54_VS_EN(V_028B54_VS_STAGE_COPY_SHADER); } -- 2.30.2