GPU: Refactor "VertexShader" namespace to "Shader".

- Also renames "vertex_shader.*" to "shader_interpreter.*"

1 files changed, 629 insertions, 0 deletions

diff --git a/src/video_core/shader_interpreter.cpp b/src/video_core/shader_interpreter.cpp
new file mode 100644
index 000000000..3cce26d36
--- /dev/null
+++ b/src/video_core/shader_interpreter.cpp
@@ -0,0 +1,629 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <boost/container/static_vector.hpp>
+#include <boost/range/algorithm.hpp>
+
+#include <common/file_util.h>
+
+#include <nihstro/shader_bytecode.h>
+
+#include "common/profiler.h"
+
+#include "pica.h"
+#include "shader_interpreter.h"
+#include "debug_utils/debug_utils.h"
+
+using nihstro::OpCode;
+using nihstro::Instruction;
+using nihstro::RegisterType;
+using nihstro::SourceRegister;
+using nihstro::SwizzlePattern;
+
+namespace Pica {
+
+namespace Shader {
+
+struct ShaderState {
+    u32 program_counter;
+
+    const float24* input_register_table[16];
+    Math::Vec4<float24> output_registers[16];
+
+    Math::Vec4<float24> temporary_registers[16];
+    bool conditional_code[2];
+
+    // Two Address registers and one loop counter
+    // TODO: How many bits do these actually have?
+    s32 address_registers[3];
+
+    enum {
+        INVALID_ADDRESS = 0xFFFFFFFF
+    };
+
+    struct CallStackElement {
+        u32 final_address;  // Address upon which we jump to return_address
+        u32 return_address; // Where to jump when leaving scope
+        u8 repeat_counter;  // How often to repeat until this call stack element is removed
+        u8 loop_increment;  // Which value to add to the loop counter after an iteration
+                            // TODO: Should this be a signed value? Does it even matter?
+        u32 loop_address;   // The address where we'll return to after each loop iteration
+    };
+
+    // TODO: Is there a maximal size for this?
+    boost::container::static_vector<CallStackElement, 16> call_stack;
+
+    struct {
+        u32 max_offset; // maximum program counter ever reached
+        u32 max_opdesc_id; // maximum swizzle pattern index ever used
+    } debug;
+};
+
+static void ProcessShaderCode(ShaderState& state) {
+    const auto& uniforms = g_state.vs.uniforms;
+    const auto& swizzle_data = g_state.vs.swizzle_data;
+    const auto& program_code = g_state.vs.program_code;
+
+    // Placeholder for invalid inputs
+    static float24 dummy_vec4_float24[4];
+
+    while (true) {
+        if (!state.call_stack.empty()) {
+            auto& top = state.call_stack.back();
+            if (state.program_counter == top.final_address) {
+                state.address_registers[2] += top.loop_increment;
+
+                if (top.repeat_counter-- == 0) {
+                    state.program_counter = top.return_address;
+                    state.call_stack.pop_back();
+                } else {
+                    state.program_counter = top.loop_address;
+                }
+
+                // TODO: Is "trying again" accurate to hardware?
+                continue;
+            }
+        }
+
+        bool exit_loop = false;
+        const Instruction instr = { program_code[state.program_counter] };
+        const SwizzlePattern swizzle = { swizzle_data[instr.common.operand_desc_id] };
+
+        static auto call = [](ShaderState& state, u32 offset, u32 num_instructions,
+                              u32 return_offset, u8 repeat_count, u8 loop_increment) {
+            state.program_counter = offset - 1; // -1 to make sure when incrementing the PC we end up at the correct offset
+            ASSERT(state.call_stack.size() < state.call_stack.capacity());
+            state.call_stack.push_back({ offset + num_instructions, return_offset, repeat_count, loop_increment, offset });
+        };
+        state.debug.max_offset = std::max<u32>(state.debug.max_offset, 1 + state.program_counter);
+
+        auto LookupSourceRegister = [&](const SourceRegister& source_reg) -> const float24* {
+            switch (source_reg.GetRegisterType()) {
+            case RegisterType::Input:
+                return state.input_register_table[source_reg.GetIndex()];
+
+            case RegisterType::Temporary:
+                return &state.temporary_registers[source_reg.GetIndex()].x;
+
+            case RegisterType::FloatUniform:
+                return &uniforms.f[source_reg.GetIndex()].x;
+
+            default:
+                return dummy_vec4_float24;
+            }
+        };
+
+        switch (instr.opcode.Value().GetInfo().type) {
+        case OpCode::Type::Arithmetic:
+        {
+            const bool is_inverted = (0 != (instr.opcode.Value().GetInfo().subtype & OpCode::Info::SrcInversed));
+
+            const int address_offset = (instr.common.address_register_index == 0)
+                                       ? 0 : state.address_registers[instr.common.address_register_index - 1];
+
+            const float24* src1_ = LookupSourceRegister(instr.common.GetSrc1(is_inverted) + (!is_inverted * address_offset));
+            const float24* src2_ = LookupSourceRegister(instr.common.GetSrc2(is_inverted) + ( is_inverted * address_offset));
+
+            const bool negate_src1 = ((bool)swizzle.negate_src1 != false);
+            const bool negate_src2 = ((bool)swizzle.negate_src2 != false);
+
+            float24 src1[4] = {
+                src1_[(int)swizzle.GetSelectorSrc1(0)],
+                src1_[(int)swizzle.GetSelectorSrc1(1)],
+                src1_[(int)swizzle.GetSelectorSrc1(2)],
+                src1_[(int)swizzle.GetSelectorSrc1(3)],
+            };
+            if (negate_src1) {
+                src1[0] = src1[0] * float24::FromFloat32(-1);
+                src1[1] = src1[1] * float24::FromFloat32(-1);
+                src1[2] = src1[2] * float24::FromFloat32(-1);
+                src1[3] = src1[3] * float24::FromFloat32(-1);
+            }
+            float24 src2[4] = {
+                src2_[(int)swizzle.GetSelectorSrc2(0)],
+                src2_[(int)swizzle.GetSelectorSrc2(1)],
+                src2_[(int)swizzle.GetSelectorSrc2(2)],
+                src2_[(int)swizzle.GetSelectorSrc2(3)],
+            };
+            if (negate_src2) {
+                src2[0] = src2[0] * float24::FromFloat32(-1);
+                src2[1] = src2[1] * float24::FromFloat32(-1);
+                src2[2] = src2[2] * float24::FromFloat32(-1);
+                src2[3] = src2[3] * float24::FromFloat32(-1);
+            }
+
+            float24* dest = (instr.common.dest.Value() < 0x10) ? &state.output_registers[instr.common.dest.Value().GetIndex()][0]
+                        : (instr.common.dest.Value() < 0x20) ? &state.temporary_registers[instr.common.dest.Value().GetIndex()][0]
+                        : dummy_vec4_float24;
+
+            state.debug.max_opdesc_id = std::max<u32>(state.debug.max_opdesc_id, 1+instr.common.operand_desc_id);
+
+            switch (instr.opcode.Value().EffectiveOpCode()) {
+            case OpCode::Id::ADD:
+            {
+                for (int i = 0; i < 4; ++i) {
+                    if (!swizzle.DestComponentEnabled(i))
+                        continue;
+
+                    dest[i] = src1[i] + src2[i];
+                }
+
+                break;
+            }
+
+            case OpCode::Id::MUL:
+            {
+                for (int i = 0; i < 4; ++i) {
+                    if (!swizzle.DestComponentEnabled(i))
+                        continue;
+
+                    dest[i] = src1[i] * src2[i];
+                }
+
+                break;
+            }
+
+            case OpCode::Id::FLR:
+                for (int i = 0; i < 4; ++i) {
+                    if (!swizzle.DestComponentEnabled(i))
+                        continue;
+
+                    dest[i] = float24::FromFloat32(std::floor(src1[i].ToFloat32()));
+                }
+                break;
+
+            case OpCode::Id::MAX:
+                for (int i = 0; i < 4; ++i) {
+                    if (!swizzle.DestComponentEnabled(i))
+                        continue;
+
+                    dest[i] = std::max(src1[i], src2[i]);
+                }
+                break;
+
+            case OpCode::Id::MIN:
+                for (int i = 0; i < 4; ++i) {
+                    if (!swizzle.DestComponentEnabled(i))
+                        continue;
+
+                    dest[i] = std::min(src1[i], src2[i]);
+                }
+                break;
+
+            case OpCode::Id::DP3:
+            case OpCode::Id::DP4:
+            {
+                float24 dot = float24::FromFloat32(0.f);
+                int num_components = (instr.opcode.Value() == OpCode::Id::DP3) ? 3 : 4;
+                for (int i = 0; i < num_components; ++i)
+                    dot = dot + src1[i] * src2[i];
+
+                for (int i = 0; i < 4; ++i) {
+                    if (!swizzle.DestComponentEnabled(i))
+                        continue;
+
+                    dest[i] = dot;
+                }
+                break;
+            }
+
+            // Reciprocal
+            case OpCode::Id::RCP:
+            {
+                for (int i = 0; i < 4; ++i) {
+                    if (!swizzle.DestComponentEnabled(i))
+                        continue;
+
+                    // TODO: Be stable against division by zero!
+                    // TODO: I think this might be wrong... we should only use one component here
+                    dest[i] = float24::FromFloat32(1.0f / src1[i].ToFloat32());
+                }
+
+                break;
+            }
+
+            // Reciprocal Square Root
+            case OpCode::Id::RSQ:
+            {
+                for (int i = 0; i < 4; ++i) {
+                    if (!swizzle.DestComponentEnabled(i))
+                        continue;
+
+                    // TODO: Be stable against division by zero!
+                    // TODO: I think this might be wrong... we should only use one component here
+                    dest[i] = float24::FromFloat32(1.0f / sqrt(src1[i].ToFloat32()));
+                }
+
+                break;
+            }
+
+            case OpCode::Id::MOVA:
+            {
+                for (int i = 0; i < 2; ++i) {
+                    if (!swizzle.DestComponentEnabled(i))
+                        continue;
+
+                    // TODO: Figure out how the rounding is done on hardware
+                    state.address_registers[i] = static_cast<s32>(src1[i].ToFloat32());
+                }
+
+                break;
+            }
+
+            case OpCode::Id::MOV:
+            {
+                for (int i = 0; i < 4; ++i) {
+                    if (!swizzle.DestComponentEnabled(i))
+                        continue;
+
+                    dest[i] = src1[i];
+                }
+                break;
+            }
+
+            case OpCode::Id::SLT:
+            case OpCode::Id::SLTI:
+                for (int i = 0; i < 4; ++i) {
+                    if (!swizzle.DestComponentEnabled(i))
+                        continue;
+
+                    dest[i] = (src1[i] < src2[i]) ? float24::FromFloat32(1.0f) : float24::FromFloat32(0.0f);
+                }
+                break;
+
+            case OpCode::Id::CMP:
+                for (int i = 0; i < 2; ++i) {
+                    // TODO: Can you restrict to one compare via dest masking?
+
+                    auto compare_op = instr.common.compare_op;
+                    auto op = (i == 0) ? compare_op.x.Value() : compare_op.y.Value();
+
+                    switch (op) {
+                        case compare_op.Equal:
+                            state.conditional_code[i] = (src1[i] == src2[i]);
+                            break;
+
+                        case compare_op.NotEqual:
+                            state.conditional_code[i] = (src1[i] != src2[i]);
+                            break;
+
+                        case compare_op.LessThan:
+                            state.conditional_code[i] = (src1[i] <  src2[i]);
+                            break;
+
+                        case compare_op.LessEqual:
+                            state.conditional_code[i] = (src1[i] <= src2[i]);
+                            break;
+
+                        case compare_op.GreaterThan:
+                            state.conditional_code[i] = (src1[i] >  src2[i]);
+                            break;
+
+                        case compare_op.GreaterEqual:
+                            state.conditional_code[i] = (src1[i] >= src2[i]);
+                            break;
+
+                        default:
+                            LOG_ERROR(HW_GPU, "Unknown compare mode %x", static_cast<int>(op));
+                            break;
+                    }
+                }
+                break;
+
+            default:
+                LOG_ERROR(HW_GPU, "Unhandled arithmetic instruction: 0x%02x (%s): 0x%08x",
+                          (int)instr.opcode.Value().EffectiveOpCode(), instr.opcode.Value().GetInfo().name, instr.hex);
+                DEBUG_ASSERT(false);
+                break;
+            }
+
+            break;
+        }
+
+        case OpCode::Type::MultiplyAdd:
+        {
+            if ((instr.opcode.Value().EffectiveOpCode() == OpCode::Id::MAD) ||
+                (instr.opcode.Value().EffectiveOpCode() == OpCode::Id::MADI)) {
+                const SwizzlePattern& swizzle = *(SwizzlePattern*)&swizzle_data[instr.mad.operand_desc_id];
+
+                bool is_inverted = (instr.opcode.Value().EffectiveOpCode() == OpCode::Id::MADI);
+
+                const float24* src1_ = LookupSourceRegister(instr.mad.GetSrc1(is_inverted));
+                const float24* src2_ = LookupSourceRegister(instr.mad.GetSrc2(is_inverted));
+                const float24* src3_ = LookupSourceRegister(instr.mad.GetSrc3(is_inverted));
+
+                const bool negate_src1 = ((bool)swizzle.negate_src1 != false);
+                const bool negate_src2 = ((bool)swizzle.negate_src2 != false);
+                const bool negate_src3 = ((bool)swizzle.negate_src3 != false);
+
+                float24 src1[4] = {
+                    src1_[(int)swizzle.GetSelectorSrc1(0)],
+                    src1_[(int)swizzle.GetSelectorSrc1(1)],
+                    src1_[(int)swizzle.GetSelectorSrc1(2)],
+                    src1_[(int)swizzle.GetSelectorSrc1(3)],
+                };
+                if (negate_src1) {
+                    src1[0] = src1[0] * float24::FromFloat32(-1);
+                    src1[1] = src1[1] * float24::FromFloat32(-1);
+                    src1[2] = src1[2] * float24::FromFloat32(-1);
+                    src1[3] = src1[3] * float24::FromFloat32(-1);
+                }
+                float24 src2[4] = {
+                    src2_[(int)swizzle.GetSelectorSrc2(0)],
+                    src2_[(int)swizzle.GetSelectorSrc2(1)],
+                    src2_[(int)swizzle.GetSelectorSrc2(2)],
+                    src2_[(int)swizzle.GetSelectorSrc2(3)],
+                };
+                if (negate_src2) {
+                    src2[0] = src2[0] * float24::FromFloat32(-1);
+                    src2[1] = src2[1] * float24::FromFloat32(-1);
+                    src2[2] = src2[2] * float24::FromFloat32(-1);
+                    src2[3] = src2[3] * float24::FromFloat32(-1);
+                }
+                float24 src3[4] = {
+                    src3_[(int)swizzle.GetSelectorSrc3(0)],
+                    src3_[(int)swizzle.GetSelectorSrc3(1)],
+                    src3_[(int)swizzle.GetSelectorSrc3(2)],
+                    src3_[(int)swizzle.GetSelectorSrc3(3)],
+                };
+                if (negate_src3) {
+                    src3[0] = src3[0] * float24::FromFloat32(-1);
+                    src3[1] = src3[1] * float24::FromFloat32(-1);
+                    src3[2] = src3[2] * float24::FromFloat32(-1);
+                    src3[3] = src3[3] * float24::FromFloat32(-1);
+                }
+
+                float24* dest = (instr.mad.dest.Value() < 0x10) ? &state.output_registers[instr.mad.dest.Value().GetIndex()][0]
+                            : (instr.mad.dest.Value() < 0x20) ? &state.temporary_registers[instr.mad.dest.Value().GetIndex()][0]
+                            : dummy_vec4_float24;
+
+                for (int i = 0; i < 4; ++i) {
+                    if (!swizzle.DestComponentEnabled(i))
+                        continue;
+
+                    dest[i] = src1[i] * src2[i] + src3[i];
+                }
+            } else {
+                LOG_ERROR(HW_GPU, "Unhandled multiply-add instruction: 0x%02x (%s): 0x%08x",
+                          (int)instr.opcode.Value().EffectiveOpCode(), instr.opcode.Value().GetInfo().name, instr.hex);
+            }
+            break;
+        }
+
+        default:
+        {
+            static auto evaluate_condition = [](const ShaderState& state, bool refx, bool refy, Instruction::FlowControlType flow_control) {
+                bool results[2] = { refx == state.conditional_code[0],
+                                    refy == state.conditional_code[1] };
+
+                switch (flow_control.op) {
+                case flow_control.Or:
+                    return results[0] || results[1];
+
+                case flow_control.And:
+                    return results[0] && results[1];
+
+                case flow_control.JustX:
+                    return results[0];
+
+                case flow_control.JustY:
+                    return results[1];
+                }
+            };
+
+            // Handle each instruction on its own
+            switch (instr.opcode.Value()) {
+            case OpCode::Id::END:
+                exit_loop = true;
+                break;
+
+            case OpCode::Id::JMPC:
+                if (evaluate_condition(state, instr.flow_control.refx, instr.flow_control.refy, instr.flow_control)) {
+                    state.program_counter = instr.flow_control.dest_offset - 1;
+                }
+                break;
+
+            case OpCode::Id::JMPU:
+                if (uniforms.b[instr.flow_control.bool_uniform_id]) {
+                    state.program_counter = instr.flow_control.dest_offset - 1;
+                }
+                break;
+
+            case OpCode::Id::CALL:
+                call(state,
+                     instr.flow_control.dest_offset,
+                     instr.flow_control.num_instructions,
+                     state.program_counter + 1, 0, 0);
+                break;
+
+            case OpCode::Id::CALLU:
+                if (uniforms.b[instr.flow_control.bool_uniform_id]) {
+                    call(state,
+                        instr.flow_control.dest_offset,
+                        instr.flow_control.num_instructions,
+                        state.program_counter + 1, 0, 0);
+                }
+                break;
+
+            case OpCode::Id::CALLC:
+                if (evaluate_condition(state, instr.flow_control.refx, instr.flow_control.refy, instr.flow_control)) {
+                    call(state,
+                        instr.flow_control.dest_offset,
+                        instr.flow_control.num_instructions,
+                        state.program_counter + 1, 0, 0);
+                }
+                break;
+
+            case OpCode::Id::NOP:
+                break;
+
+            case OpCode::Id::IFU:
+                if (uniforms.b[instr.flow_control.bool_uniform_id]) {
+                    call(state,
+                         state.program_counter + 1,
+                         instr.flow_control.dest_offset - state.program_counter - 1,
+                         instr.flow_control.dest_offset + instr.flow_control.num_instructions, 0, 0);
+                } else {
+                    call(state,
+                         instr.flow_control.dest_offset,
+                         instr.flow_control.num_instructions,
+                         instr.flow_control.dest_offset + instr.flow_control.num_instructions, 0, 0);
+                }
+
+                break;
+
+            case OpCode::Id::IFC:
+            {
+                // TODO: Do we need to consider swizzlers here?
+
+                if (evaluate_condition(state, instr.flow_control.refx, instr.flow_control.refy, instr.flow_control)) {
+                    call(state,
+                         state.program_counter + 1,
+                         instr.flow_control.dest_offset - state.program_counter - 1,
+                         instr.flow_control.dest_offset + instr.flow_control.num_instructions, 0, 0);
+                } else {
+                    call(state,
+                         instr.flow_control.dest_offset,
+                         instr.flow_control.num_instructions,
+                         instr.flow_control.dest_offset + instr.flow_control.num_instructions, 0, 0);
+                }
+
+                break;
+            }
+
+            case OpCode::Id::LOOP:
+            {
+                state.address_registers[2] = uniforms.i[instr.flow_control.int_uniform_id].y;
+
+                call(state,
+                     state.program_counter + 1,
+                     instr.flow_control.dest_offset - state.program_counter + 1,
+                     instr.flow_control.dest_offset + 1,
+                     uniforms.i[instr.flow_control.int_uniform_id].x,
+                     uniforms.i[instr.flow_control.int_uniform_id].z);
+                break;
+            }
+
+            default:
+                LOG_ERROR(HW_GPU, "Unhandled instruction: 0x%02x (%s): 0x%08x",
+                          (int)instr.opcode.Value().EffectiveOpCode(), instr.opcode.Value().GetInfo().name, instr.hex);
+                break;
+            }
+
+            break;
+        }
+        }
+
+        ++state.program_counter;
+
+        if (exit_loop)
+            break;
+    }
+}
+
+static Common::Profiling::TimingCategory shader_category("Vertex Shader");
+
+OutputVertex RunShader(const InputVertex& input, int num_attributes, const Regs::ShaderConfig& config, const State::ShaderSetup& setup) {
+    Common::Profiling::ScopeTimer timer(shader_category);
+
+    ShaderState state;
+
+    state.program_counter = config.main_offset;
+    state.debug.max_offset = 0;
+    state.debug.max_opdesc_id = 0;
+
+    // Setup input register table
+    const auto& attribute_register_map = config.input_register_map;
+    float24 dummy_register;
+    boost::fill(state.input_register_table, &dummy_register);
+
+    if (num_attributes > 0) state.input_register_table[attribute_register_map.attribute0_register] = &input.attr[0].x;
+    if (num_attributes > 1) state.input_register_table[attribute_register_map.attribute1_register] = &input.attr[1].x;
+    if (num_attributes > 2) state.input_register_table[attribute_register_map.attribute2_register] = &input.attr[2].x;
+    if (num_attributes > 3) state.input_register_table[attribute_register_map.attribute3_register] = &input.attr[3].x;
+    if (num_attributes > 4) state.input_register_table[attribute_register_map.attribute4_register] = &input.attr[4].x;
+    if (num_attributes > 5) state.input_register_table[attribute_register_map.attribute5_register] = &input.attr[5].x;
+    if (num_attributes > 6) state.input_register_table[attribute_register_map.attribute6_register] = &input.attr[6].x;
+    if (num_attributes > 7) state.input_register_table[attribute_register_map.attribute7_register] = &input.attr[7].x;
+    if (num_attributes > 8) state.input_register_table[attribute_register_map.attribute8_register] = &input.attr[8].x;
+    if (num_attributes > 9) state.input_register_table[attribute_register_map.attribute9_register] = &input.attr[9].x;
+    if (num_attributes > 10) state.input_register_table[attribute_register_map.attribute10_register] = &input.attr[10].x;
+    if (num_attributes > 11) state.input_register_table[attribute_register_map.attribute11_register] = &input.attr[11].x;
+    if (num_attributes > 12) state.input_register_table[attribute_register_map.attribute12_register] = &input.attr[12].x;
+    if (num_attributes > 13) state.input_register_table[attribute_register_map.attribute13_register] = &input.attr[13].x;
+    if (num_attributes > 14) state.input_register_table[attribute_register_map.attribute14_register] = &input.attr[14].x;
+    if (num_attributes > 15) state.input_register_table[attribute_register_map.attribute15_register] = &input.attr[15].x;
+
+    state.conditional_code[0] = false;
+    state.conditional_code[1] = false;
+
+    ProcessShaderCode(state);
+#if PICA_DUMP_SHADERS
+    DebugUtils::DumpShader(setup.program_code.data(), state.debug.max_offset, setup.swizzle_data.data(),
+                           state.debug.max_opdesc_id, config.main_offset,
+                           g_state.regs.vs_output_attributes); // TODO: Don't hardcode VS here
+#endif
+
+    // Setup output data
+    OutputVertex ret;
+    // TODO(neobrain): Under some circumstances, up to 16 attributes may be output. We need to
+    // figure out what those circumstances are and enable the remaining outputs then.
+    for (int i = 0; i < 7; ++i) {
+        const auto& output_register_map = g_state.regs.vs_output_attributes[i]; // TODO: Don't hardcode VS here
+
+        u32 semantics[4] = {
+            output_register_map.map_x, output_register_map.map_y,
+            output_register_map.map_z, output_register_map.map_w
+        };
+
+        for (int comp = 0; comp < 4; ++comp) {
+            float24* out = ((float24*)&ret) + semantics[comp];
+            if (semantics[comp] != Regs::VSOutputAttributes::INVALID) {
+                *out = state.output_registers[i][comp];
+            } else {
+                // Zero output so that attributes which aren't output won't have denormals in them,
+                // which would slow us down later.
+                memset(out, 0, sizeof(*out));
+            }
+        }
+    }
+
+    // The hardware takes the absolute and saturates vertex colors like this, *before* doing interpolation
+    for (int i = 0; i < 4; ++i) {
+        ret.color[i] = float24::FromFloat32(
+            std::fmin(std::fabs(ret.color[i].ToFloat32()), 1.0f));
+    }
+
+    LOG_TRACE(Render_Software, "Output vertex: pos (%.2f, %.2f, %.2f, %.2f), col(%.2f, %.2f, %.2f, %.2f), tc0(%.2f, %.2f)",
+        ret.pos.x.ToFloat32(), ret.pos.y.ToFloat32(), ret.pos.z.ToFloat32(), ret.pos.w.ToFloat32(),
+        ret.color.x.ToFloat32(), ret.color.y.ToFloat32(), ret.color.z.ToFloat32(), ret.color.w.ToFloat32(),
+        ret.tc0.u().ToFloat32(), ret.tc0.v().ToFloat32());
+
+    return ret;
+}
+
+
+} // namespace
+
+} // namespace