From 09c1601b86d598398244f95cd2e222c044b25287 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=B3zef=20Kucia?= Date: Mon, 17 Jun 2019 15:43:26 +0200 Subject: [PATCH] tests: Add test for SV_PrimitiveID in hull shader. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Józef Kucia Signed-off-by: Henri Verbeet Signed-off-by: Alexandre Julliard --- tests/d3d12.c | 323 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 323 insertions(+) diff --git a/tests/d3d12.c b/tests/d3d12.c index 0c70d5f4..473a3471 100644 --- a/tests/d3d12.c +++ b/tests/d3d12.c @@ -27062,6 +27062,328 @@ done: destroy_test_context(&context); } +static void test_tessellation_primitive_id(void) +{ + static const float white[] = {1.0f, 1.0f, 1.0f, 1.0f}; + D3D12_ROOT_SIGNATURE_DESC root_signature_desc; + D3D12_GRAPHICS_PIPELINE_STATE_DESC pso_desc; + D3D12_ROOT_PARAMETER root_parameters[1]; + ID3D12GraphicsCommandList *command_list; + D3D12_INPUT_LAYOUT_DESC input_layout; + struct test_context_desc desc; + D3D12_VERTEX_BUFFER_VIEW vbv; + struct test_context context; + ID3D12Resource *raw_buffer; + ID3D12CommandQueue *queue; + ID3D12Resource *vb; + HRESULT hr; + +#if 0 + ByteAddressBuffer b; + + struct data + { + float4 position : POSITION; + float ref_buffer_data : REF_BUFFER_DATA; + }; + + struct ds_data + { + float4 position : POSITION; + float ref_buffer_data : REF_BUFFER_DATA; + uint primitive_id : PRIM_ID; + uint invocation_id : CP_ID; + }; + + struct ps_data + { + float4 position : SV_POSITION; + float4 color : COLOR; + }; + + struct patch_constant_data + { + float edges[3] : SV_TessFactor; + float inside : SV_InsideTessFactor; + float buffer_data : BUFFER_DATA; + uint primitive_id : PATCH_PRIM_ID; + }; + + data vs_main(in data input) + { + return input; + } + + void patch_constant(uint prim_id : SV_PrimitiveID, out patch_constant_data output) + { + output.edges[0] = output.edges[1] = output.edges[2] = 4.0f; + output.inside = 4.0f; + output.buffer_data = b.Load(4 * prim_id); + output.primitive_id = prim_id; + } + + [domain("tri")] + [outputcontrolpoints(3)] + [partitioning("integer")] + [outputtopology("triangle_cw")] + [patchconstantfunc("patch_constant")] + ds_data hs_main(const InputPatch input, + uint prim_id : SV_PrimitiveID, uint i : SV_OutputControlPointID) + { + ds_data output; + output.position = input[i].position; + output.ref_buffer_data = input[i].ref_buffer_data; + output.primitive_id = prim_id; + output.invocation_id = i; + return output; + } + + [domain("tri")] + void ds_main(patch_constant_data input, + float3 tess_coord : SV_DomainLocation, + const OutputPatch patch, + out ps_data output) + { + uint i; + + output.position = tess_coord.x * patch[0].position + + tess_coord.y * patch[1].position + + tess_coord.z * patch[2].position; + + for (i = 0; i < 3; ++i) + { + if (patch[i].ref_buffer_data != input.buffer_data) + { + output.color = float4(1, patch[i].ref_buffer_data / 255.0f, input.buffer_data / 255.0f, 0); + return; + } + } + + for (i = 0; i < 3; ++i) + { + if (patch[i].primitive_id != input.primitive_id) + { + output.color = float4(1, 0, 1, 1); + return; + } + } + + if (patch[0].invocation_id != 0 || patch[1].invocation_id != 1 || patch[2].invocation_id != 2) + { + output.color = float4(1, 1, 0, 1); + return; + } + + output.color = float4(0, 1, 0, 1); + } +#endif + static const DWORD vs_code[] = + { + 0x43425844, 0x1cf34a89, 0x09f0ca02, 0x1d9d7e25, 0x4161cddd, 0x00000001, 0x00000154, 0x00000003, + 0x0000002c, 0x00000088, 0x000000e4, 0x4e475349, 0x00000054, 0x00000002, 0x00000008, 0x00000038, + 0x00000000, 0x00000000, 0x00000003, 0x00000000, 0x00000f0f, 0x00000041, 0x00000000, 0x00000000, + 0x00000003, 0x00000001, 0x00000101, 0x49534f50, 0x4e4f4954, 0x46455200, 0x4655425f, 0x5f524546, + 0x41544144, 0xababab00, 0x4e47534f, 0x00000054, 0x00000002, 0x00000008, 0x00000038, 0x00000000, + 0x00000000, 0x00000003, 0x00000000, 0x0000000f, 0x00000041, 0x00000000, 0x00000000, 0x00000003, + 0x00000001, 0x00000e01, 0x49534f50, 0x4e4f4954, 0x46455200, 0x4655425f, 0x5f524546, 0x41544144, + 0xababab00, 0x58454853, 0x00000068, 0x00010050, 0x0000001a, 0x0100086a, 0x0300005f, 0x001010f2, + 0x00000000, 0x0300005f, 0x00101012, 0x00000001, 0x03000065, 0x001020f2, 0x00000000, 0x03000065, + 0x00102012, 0x00000001, 0x05000036, 0x001020f2, 0x00000000, 0x00101e46, 0x00000000, 0x05000036, + 0x00102012, 0x00000001, 0x0010100a, 0x00000001, 0x0100003e, + }; + static const D3D12_SHADER_BYTECODE vs = {vs_code, sizeof(vs_code)}; + static const DWORD hs_code[] = + { + 0x43425844, 0x23a919a7, 0xf5fdd1b4, 0x4f5a835f, 0xca389c71, 0x00000001, 0x00000464, 0x00000004, + 0x00000030, 0x0000008c, 0x00000124, 0x00000200, 0x4e475349, 0x00000054, 0x00000002, 0x00000008, + 0x00000038, 0x00000000, 0x00000000, 0x00000003, 0x00000000, 0x00000f0f, 0x00000041, 0x00000000, + 0x00000000, 0x00000003, 0x00000001, 0x00000101, 0x49534f50, 0x4e4f4954, 0x46455200, 0x4655425f, + 0x5f524546, 0x41544144, 0xababab00, 0x4e47534f, 0x00000090, 0x00000004, 0x00000008, 0x00000068, + 0x00000000, 0x00000000, 0x00000003, 0x00000000, 0x0000000f, 0x00000071, 0x00000000, 0x00000000, + 0x00000003, 0x00000001, 0x00000e01, 0x00000081, 0x00000000, 0x00000000, 0x00000001, 0x00000002, + 0x00000e01, 0x00000089, 0x00000000, 0x00000000, 0x00000001, 0x00000002, 0x00000d02, 0x49534f50, + 0x4e4f4954, 0x46455200, 0x4655425f, 0x5f524546, 0x41544144, 0x49525000, 0x44495f4d, 0x5f504300, + 0xab004449, 0x47534350, 0x000000d4, 0x00000006, 0x00000008, 0x00000098, 0x00000000, 0x0000000d, + 0x00000003, 0x00000000, 0x00000e01, 0x000000a6, 0x00000000, 0x00000000, 0x00000003, 0x00000000, + 0x00000d02, 0x00000098, 0x00000001, 0x0000000d, 0x00000003, 0x00000001, 0x00000e01, 0x000000b2, + 0x00000000, 0x00000000, 0x00000001, 0x00000001, 0x00000d02, 0x00000098, 0x00000002, 0x0000000d, + 0x00000003, 0x00000002, 0x00000e01, 0x000000c0, 0x00000000, 0x0000000e, 0x00000003, 0x00000003, + 0x00000e01, 0x545f5653, 0x46737365, 0x6f746361, 0x55420072, 0x52454646, 0x5441445f, 0x41500041, + 0x5f484354, 0x4d495250, 0x0044495f, 0x495f5653, 0x6469736e, 0x73655465, 0x63614673, 0x00726f74, + 0x58454853, 0x0000025c, 0x00030050, 0x00000097, 0x01000071, 0x01001893, 0x01001894, 0x01001095, + 0x01000896, 0x01001897, 0x0100086a, 0x030000a1, 0x00107000, 0x00000000, 0x01000072, 0x0200005f, + 0x00016000, 0x0200005f, 0x0000b000, 0x0400005f, 0x002010f2, 0x00000003, 0x00000000, 0x0400005f, + 0x00201012, 0x00000003, 0x00000001, 0x03000065, 0x001020f2, 0x00000000, 0x03000065, 0x00102012, + 0x00000001, 0x03000065, 0x00102012, 0x00000002, 0x03000065, 0x00102022, 0x00000002, 0x02000068, + 0x00000001, 0x04000036, 0x00100012, 0x00000000, 0x00016001, 0x07000036, 0x001020f2, 0x00000000, + 0x00a01e46, 0x0010000a, 0x00000000, 0x00000000, 0x07000036, 0x00102012, 0x00000001, 0x00a0100a, + 0x0010000a, 0x00000000, 0x00000001, 0x04000036, 0x00102012, 0x00000002, 0x0000b001, 0x04000036, + 0x00102022, 0x00000002, 0x00016001, 0x0100003e, 0x01000073, 0x02000099, 0x00000003, 0x0200005f, + 0x00017000, 0x04000067, 0x00102012, 0x00000000, 0x00000011, 0x04000067, 0x00102012, 0x00000001, + 0x00000012, 0x04000067, 0x00102012, 0x00000002, 0x00000013, 0x02000068, 0x00000001, 0x0400005b, + 0x00102012, 0x00000000, 0x00000003, 0x04000036, 0x00100012, 0x00000000, 0x0001700a, 0x06000036, + 0x00902012, 0x0010000a, 0x00000000, 0x00004001, 0x40800000, 0x0100003e, 0x01000073, 0x04000067, + 0x00102012, 0x00000003, 0x00000014, 0x05000036, 0x00102012, 0x00000003, 0x00004001, 0x40800000, + 0x0100003e, 0x01000073, 0x0200005f, 0x0000b000, 0x03000065, 0x00102022, 0x00000000, 0x02000068, + 0x00000001, 0x06000029, 0x00100012, 0x00000000, 0x0000b001, 0x00004001, 0x00000002, 0x890000a5, + 0x800002c2, 0x00199983, 0x00100012, 0x00000000, 0x0010000a, 0x00000000, 0x00107006, 0x00000000, + 0x05000056, 0x00102022, 0x00000000, 0x0010000a, 0x00000000, 0x0100003e, 0x01000073, 0x0200005f, + 0x0000b000, 0x03000065, 0x00102022, 0x00000001, 0x04000036, 0x00102022, 0x00000001, 0x0000b001, + 0x0100003e, + }; + static const D3D12_SHADER_BYTECODE hs = {hs_code, sizeof(hs_code)}; + static const DWORD ds_code[] = + { + 0x43425844, 0x4b659bb4, 0x3eb61f16, 0xaa8397b6, 0xd60e8c43, 0x00000001, 0x000005ec, 0x00000004, + 0x00000030, 0x000000c8, 0x000001a4, 0x000001f8, 0x4e475349, 0x00000090, 0x00000004, 0x00000008, + 0x00000068, 0x00000000, 0x00000000, 0x00000003, 0x00000000, 0x00000f0f, 0x00000071, 0x00000000, + 0x00000000, 0x00000003, 0x00000001, 0x00000101, 0x00000081, 0x00000000, 0x00000000, 0x00000001, + 0x00000002, 0x00000101, 0x00000089, 0x00000000, 0x00000000, 0x00000001, 0x00000002, 0x00000202, + 0x49534f50, 0x4e4f4954, 0x46455200, 0x4655425f, 0x5f524546, 0x41544144, 0x49525000, 0x44495f4d, + 0x5f504300, 0xab004449, 0x47534350, 0x000000d4, 0x00000006, 0x00000008, 0x00000098, 0x00000000, + 0x0000000d, 0x00000003, 0x00000000, 0x00000001, 0x000000a6, 0x00000000, 0x00000000, 0x00000003, + 0x00000000, 0x00000202, 0x00000098, 0x00000001, 0x0000000d, 0x00000003, 0x00000001, 0x00000001, + 0x000000b2, 0x00000000, 0x00000000, 0x00000001, 0x00000001, 0x00000202, 0x00000098, 0x00000002, + 0x0000000d, 0x00000003, 0x00000002, 0x00000001, 0x000000c0, 0x00000000, 0x0000000e, 0x00000003, + 0x00000003, 0x00000001, 0x545f5653, 0x46737365, 0x6f746361, 0x55420072, 0x52454646, 0x5441445f, + 0x41500041, 0x5f484354, 0x4d495250, 0x0044495f, 0x495f5653, 0x6469736e, 0x73655465, 0x63614673, + 0x00726f74, 0x4e47534f, 0x0000004c, 0x00000002, 0x00000008, 0x00000038, 0x00000000, 0x00000001, + 0x00000003, 0x00000000, 0x0000000f, 0x00000044, 0x00000000, 0x00000000, 0x00000003, 0x00000001, + 0x0000000f, 0x505f5653, 0x5449534f, 0x004e4f49, 0x4f4c4f43, 0xabab0052, 0x58454853, 0x000003ec, + 0x00040050, 0x000000fb, 0x01001893, 0x01001095, 0x0100086a, 0x0300005f, 0x0011b022, 0x00000000, + 0x0300005f, 0x0011b022, 0x00000001, 0x0200005f, 0x0001c072, 0x0400005f, 0x002190f2, 0x00000003, + 0x00000000, 0x0400005f, 0x00219012, 0x00000003, 0x00000001, 0x0400005f, 0x00219012, 0x00000003, + 0x00000002, 0x0400005f, 0x00219022, 0x00000003, 0x00000002, 0x04000067, 0x001020f2, 0x00000000, + 0x00000001, 0x03000065, 0x001020f2, 0x00000001, 0x02000068, 0x00000002, 0x07000038, 0x001000f2, + 0x00000000, 0x0001c556, 0x00219e46, 0x00000001, 0x00000000, 0x09000032, 0x001000f2, 0x00000000, + 0x0001c006, 0x00219e46, 0x00000000, 0x00000000, 0x00100e46, 0x00000000, 0x09000032, 0x001000f2, + 0x00000000, 0x0001caa6, 0x00219e46, 0x00000002, 0x00000000, 0x00100e46, 0x00000000, 0x05000036, + 0x00100012, 0x00000001, 0x00004001, 0x00000000, 0x01000030, 0x07000050, 0x00100022, 0x00000001, + 0x0010000a, 0x00000001, 0x00004001, 0x00000003, 0x03040003, 0x0010001a, 0x00000001, 0x09000039, + 0x00100022, 0x00000001, 0x0011b01a, 0x00000000, 0x00a1900a, 0x0010000a, 0x00000001, 0x00000001, + 0x0304001f, 0x0010001a, 0x00000001, 0x05000036, 0x001020f2, 0x00000000, 0x00100e46, 0x00000000, + 0x08000036, 0x00102092, 0x00000001, 0x00004002, 0x3f800000, 0x00000000, 0x00000000, 0x00000000, + 0x09000038, 0x00102022, 0x00000001, 0x00004001, 0x3b808081, 0x00a1900a, 0x0010000a, 0x00000001, + 0x00000001, 0x07000038, 0x00102042, 0x00000001, 0x0011b01a, 0x00000000, 0x00004001, 0x3b808081, + 0x0100003e, 0x01000015, 0x0700001e, 0x00100012, 0x00000001, 0x0010000a, 0x00000001, 0x00004001, + 0x00000001, 0x01000016, 0x05000036, 0x00100012, 0x00000001, 0x00004001, 0x00000000, 0x01000030, + 0x07000050, 0x00100022, 0x00000001, 0x0010000a, 0x00000001, 0x00004001, 0x00000003, 0x03040003, + 0x0010001a, 0x00000001, 0x09000027, 0x00100022, 0x00000001, 0x0011b01a, 0x00000001, 0x00a1900a, + 0x0010000a, 0x00000001, 0x00000002, 0x0304001f, 0x0010001a, 0x00000001, 0x05000036, 0x001020f2, + 0x00000000, 0x00100e46, 0x00000000, 0x08000036, 0x001020f2, 0x00000001, 0x00004002, 0x3f800000, + 0x00000000, 0x3f800000, 0x3f800000, 0x0100003e, 0x01000015, 0x0700001e, 0x00100012, 0x00000001, + 0x0010000a, 0x00000001, 0x00004001, 0x00000001, 0x01000016, 0x08000027, 0x00100012, 0x00000001, + 0x00004001, 0x00000000, 0x0021901a, 0x00000000, 0x00000002, 0x08000027, 0x00100022, 0x00000001, + 0x00004001, 0x00000001, 0x0021901a, 0x00000001, 0x00000002, 0x0700003c, 0x00100012, 0x00000001, + 0x0010001a, 0x00000001, 0x0010000a, 0x00000001, 0x08000027, 0x00100022, 0x00000001, 0x00004001, + 0x00000002, 0x0021901a, 0x00000002, 0x00000002, 0x0700003c, 0x00100012, 0x00000001, 0x0010001a, + 0x00000001, 0x0010000a, 0x00000001, 0x0304001f, 0x0010000a, 0x00000001, 0x05000036, 0x001020f2, + 0x00000000, 0x00100e46, 0x00000000, 0x08000036, 0x001020f2, 0x00000001, 0x00004002, 0x3f800000, + 0x3f800000, 0x00000000, 0x3f800000, 0x0100003e, 0x01000015, 0x05000036, 0x001020f2, 0x00000000, + 0x00100e46, 0x00000000, 0x08000036, 0x001020f2, 0x00000001, 0x00004002, 0x00000000, 0x3f800000, + 0x00000000, 0x3f800000, 0x0100003e, + }; + static const D3D12_SHADER_BYTECODE ds = {ds_code, sizeof(ds_code)}; + static const DWORD ps_code[] = + { +#if 0 + float4 main(in float4 p : SV_Position, in float4 color : COLOR) : SV_Target + { + return color; + } +#endif + 0x43425844, 0xbd83f517, 0x8974e87a, 0xaf402223, 0xaec7f351, 0x00000001, 0x000000f8, 0x00000003, + 0x0000002c, 0x00000080, 0x000000b4, 0x4e475349, 0x0000004c, 0x00000002, 0x00000008, 0x00000038, + 0x00000000, 0x00000001, 0x00000003, 0x00000000, 0x0000000f, 0x00000044, 0x00000000, 0x00000000, + 0x00000003, 0x00000001, 0x00000f0f, 0x505f5653, 0x7469736f, 0x006e6f69, 0x4f4c4f43, 0xabab0052, + 0x4e47534f, 0x0000002c, 0x00000001, 0x00000008, 0x00000020, 0x00000000, 0x00000000, 0x00000003, + 0x00000000, 0x0000000f, 0x545f5653, 0x65677261, 0xabab0074, 0x58454853, 0x0000003c, 0x00000050, + 0x0000000f, 0x0100086a, 0x03001062, 0x001010f2, 0x00000001, 0x03000065, 0x001020f2, 0x00000000, + 0x05000036, 0x001020f2, 0x00000000, 0x00101e46, 0x00000001, 0x0100003e, + }; + static const D3D12_SHADER_BYTECODE ps = {ps_code, sizeof(ps_code)}; + static const D3D12_INPUT_ELEMENT_DESC layout_desc[] = + { + {"POSITION", 0, DXGI_FORMAT_R32G32B32A32_FLOAT, 0, 0, D3D12_INPUT_CLASSIFICATION_PER_VERTEX_DATA, 0}, + {"REF_BUFFER_DATA", 0, DXGI_FORMAT_R32_FLOAT, 0, 16, D3D12_INPUT_CLASSIFICATION_PER_VERTEX_DATA, 0}, + }; + static const struct + { + struct vec4 position; + float ref_buffer_data; + } + vertices[] = + { + {{-1.0f, -1.0f, 0.0f, 1.0f}, 1.0f}, + {{-1.0f, 1.0f, 0.0f, 1.0f}, 1.0f}, + {{ 1.0f, -1.0f, 0.0f, 1.0f}, 1.0f}, + + {{-1.0f, 1.0f, 0.0f, 1.0f}, 2.0f}, + {{ 1.0f, 1.0f, 0.0f, 1.0f}, 2.0f}, + {{ 1.0f, -1.0f, 0.0f, 1.0f}, 2.0f}, + }; + static const uint32_t buffer_data[] = {1, 2}; + + memset(&desc, 0, sizeof(desc)); + desc.no_root_signature = true; + if (!init_test_context(&context, &desc)) + return; + command_list = context.list; + queue = context.queue; + + root_parameters[0].ParameterType = D3D12_ROOT_PARAMETER_TYPE_SRV; + root_parameters[0].Descriptor.ShaderRegister = 0; + root_parameters[0].Descriptor.RegisterSpace = 0; + root_parameters[0].ShaderVisibility = D3D12_SHADER_VISIBILITY_HULL; + memset(&root_signature_desc, 0, sizeof(root_signature_desc)); + root_signature_desc.NumParameters = ARRAY_SIZE(root_parameters); + root_signature_desc.pParameters = root_parameters; + root_signature_desc.Flags = D3D12_ROOT_SIGNATURE_FLAG_ALLOW_INPUT_ASSEMBLER_INPUT_LAYOUT; + hr = create_root_signature(context.device, &root_signature_desc, &context.root_signature); + ok(hr == S_OK, "Failed to create root signature, hr %#x.\n", hr); + + input_layout.pInputElementDescs = layout_desc; + input_layout.NumElements = ARRAY_SIZE(layout_desc); + init_pipeline_state_desc(&pso_desc, context.root_signature, + context.render_target_desc.Format, NULL, NULL, &input_layout); + pso_desc.VS = vs; + pso_desc.HS = hs; + pso_desc.DS = ds; + pso_desc.PS = ps; + pso_desc.PrimitiveTopologyType = D3D12_PRIMITIVE_TOPOLOGY_TYPE_PATCH; + hr = ID3D12Device_CreateGraphicsPipelineState(context.device, &pso_desc, + &IID_ID3D12PipelineState, (void **)&context.pipeline_state); + ok(hr == S_OK, "Failed to create state, hr %#x.\n", hr); + + vb = create_upload_buffer(context.device, sizeof(vertices), vertices); + vbv.BufferLocation = ID3D12Resource_GetGPUVirtualAddress(vb); + vbv.StrideInBytes = sizeof(*vertices); + vbv.SizeInBytes = sizeof(vertices); + + raw_buffer = create_upload_buffer(context.device, sizeof(buffer_data), buffer_data); + + ID3D12GraphicsCommandList_ClearRenderTargetView(command_list, context.rtv, white, 0, NULL); + + ID3D12GraphicsCommandList_OMSetRenderTargets(command_list, 1, &context.rtv, FALSE, NULL); + ID3D12GraphicsCommandList_SetGraphicsRootSignature(command_list, context.root_signature); + ID3D12GraphicsCommandList_SetPipelineState(command_list, context.pipeline_state); + ID3D12GraphicsCommandList_IASetPrimitiveTopology(command_list, D3D_PRIMITIVE_TOPOLOGY_3_CONTROL_POINT_PATCHLIST); + ID3D12GraphicsCommandList_RSSetViewports(command_list, 1, &context.viewport); + ID3D12GraphicsCommandList_RSSetScissorRects(command_list, 1, &context.scissor_rect); + ID3D12GraphicsCommandList_IASetVertexBuffers(command_list, 0, 1, &vbv); + ID3D12GraphicsCommandList_SetGraphicsRootShaderResourceView(command_list, + 0, ID3D12Resource_GetGPUVirtualAddress(raw_buffer)); + ID3D12GraphicsCommandList_DrawInstanced(command_list, 6, 1, 0, 0); + + transition_resource_state(command_list, context.render_target, + D3D12_RESOURCE_STATE_RENDER_TARGET, D3D12_RESOURCE_STATE_COPY_SOURCE); + check_sub_resource_uint(context.render_target, 0, queue, command_list, 0xff00ff00, 0); + + ID3D12Resource_Release(vb); + ID3D12Resource_Release(raw_buffer); + destroy_test_context(&context); +} + static void test_render_a8(void) { static const float black[] = {0.0f, 0.0f, 0.0f, 0.0f}; @@ -30973,6 +31295,7 @@ START_TEST(d3d12) run_test(test_hull_shader_control_point_phase); run_test(test_hull_shader_fork_phase); run_test(test_line_tessellation); + run_test(test_tessellation_primitive_id); run_test(test_render_a8); run_test(test_cpu_descriptors_lifetime); run_test(test_clip_distance);