diff options
Diffstat (limited to 'src/gallium/drivers/radeonsi/si_shader.c')
-rw-r--r-- | src/gallium/drivers/radeonsi/si_shader.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c index 83bcf5eac18..b04d0f7375a 100644 --- a/src/gallium/drivers/radeonsi/si_shader.c +++ b/src/gallium/drivers/radeonsi/si_shader.c @@ -2444,6 +2444,48 @@ handle_semantic: } } +static void si_copy_tcs_inputs(struct lp_build_tgsi_context *bld_base) +{ + struct si_shader_context *ctx = si_shader_context(bld_base); + struct gallivm_state *gallivm = bld_base->base.gallivm; + LLVMValueRef invocation_id, rw_buffers, buffer, buffer_offset; + LLVMValueRef lds_vertex_stride, lds_vertex_offset, lds_base; + uint64_t inputs; + + invocation_id = unpack_param(ctx, SI_PARAM_REL_IDS, 8, 5); + + rw_buffers = LLVMGetParam(ctx->radeon_bld.main_fn, SI_PARAM_RW_BUFFERS); + buffer = build_indexed_load_const(ctx, rw_buffers, + lp_build_const_int32(gallivm, SI_HS_RING_TESS_OFFCHIP)); + + buffer_offset = LLVMGetParam(ctx->radeon_bld.main_fn, ctx->param_oc_lds); + + lds_vertex_stride = unpack_param(ctx, SI_PARAM_TCS_IN_LAYOUT, 13, 8); + lds_vertex_offset = LLVMBuildMul(gallivm->builder, invocation_id, + lds_vertex_stride, ""); + lds_base = get_tcs_in_current_patch_offset(ctx); + lds_base = LLVMBuildAdd(gallivm->builder, lds_base, lds_vertex_offset, ""); + + inputs = ctx->shader->key.tcs.epilog.inputs_to_copy; + while (inputs) { + unsigned i = u_bit_scan64(&inputs); + + LLVMValueRef lds_ptr = LLVMBuildAdd(gallivm->builder, lds_base, + lp_build_const_int32(gallivm, 4 * i), + ""); + + LLVMValueRef buffer_addr = get_tcs_tes_buffer_address(ctx, + invocation_id, + lp_build_const_int32(gallivm, i)); + + LLVMValueRef value = lds_load(bld_base, TGSI_TYPE_SIGNED, ~0, + lds_ptr); + + build_tbuffer_store_dwords(ctx, buffer, value, 4, buffer_addr, + buffer_offset, 0); + } +} + static void si_write_tess_factors(struct lp_build_tgsi_context *bld_base, LLVMValueRef rel_patch_id, LLVMValueRef invocation_id, @@ -2585,6 +2627,7 @@ static void si_llvm_emit_tcs_epilogue(struct lp_build_tgsi_context *bld_base) return; } + si_copy_tcs_inputs(bld_base); si_write_tess_factors(bld_base, rel_patch_id, invocation_id, tf_lds_offset); } @@ -7426,6 +7469,8 @@ int si_shader_create(struct si_screen *sscreen, LLVMTargetMachineRef tm, shader->key.vs.as_ls != mainp->key.vs.as_ls)) || (shader->selector->type == PIPE_SHADER_TESS_EVAL && shader->key.tes.as_es != mainp->key.tes.as_es) || + (shader->selector->type == PIPE_SHADER_TESS_CTRL && + shader->key.tcs.epilog.inputs_to_copy) || shader->selector->type == PIPE_SHADER_COMPUTE) { /* Monolithic shader (compiled as a whole, has many variants, * may take a long time to compile). |