Yuri Kunde Schlesner
9 years ago
4 changed files with 189 additions and 172 deletions
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1src/video_core/CMakeLists.txt
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186src/video_core/shader/debug_data.h
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173src/video_core/shader/shader.h
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1src/video_core/shader/shader_interpreter.cpp
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// Copyright 2016 Citra Emulator Project |
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// Licensed under GPLv2 or any later version |
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// Refer to the license.txt file included. |
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#pragma once |
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#include <vector> |
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#include "common/common_types.h" |
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#include "common/vector_math.h" |
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#include "video_core/pica_types.h" |
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namespace Pica { |
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namespace Shader { |
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/// Helper structure used to keep track of data useful for inspection of shader emulation |
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template <bool full_debugging> |
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struct DebugData; |
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template <> |
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struct DebugData<false> { |
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// TODO: Hide these behind and interface and move them to DebugData<true> |
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u32 max_offset; ///< maximum program counter ever reached |
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u32 max_opdesc_id; ///< maximum swizzle pattern index ever used |
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}; |
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template <> |
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struct DebugData<true> { |
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/// Records store the input and output operands of a particular instruction. |
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struct Record { |
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enum Type { |
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// Floating point arithmetic operands |
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SRC1 = 0x1, |
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SRC2 = 0x2, |
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SRC3 = 0x4, |
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// Initial and final output operand value |
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DEST_IN = 0x8, |
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DEST_OUT = 0x10, |
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// Current and next instruction offset (in words) |
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CUR_INSTR = 0x20, |
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NEXT_INSTR = 0x40, |
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// Output address register value |
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ADDR_REG_OUT = 0x80, |
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// Result of a comparison instruction |
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CMP_RESULT = 0x100, |
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// Input values for conditional flow control instructions |
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COND_BOOL_IN = 0x200, |
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COND_CMP_IN = 0x400, |
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// Input values for a loop |
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LOOP_INT_IN = 0x800, |
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}; |
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Math::Vec4<float24> src1; |
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Math::Vec4<float24> src2; |
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Math::Vec4<float24> src3; |
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Math::Vec4<float24> dest_in; |
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Math::Vec4<float24> dest_out; |
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s32 address_registers[2]; |
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bool conditional_code[2]; |
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bool cond_bool; |
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bool cond_cmp[2]; |
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Math::Vec4<u8> loop_int; |
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u32 instruction_offset; |
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u32 next_instruction; |
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/// set of enabled fields (as a combination of Type flags) |
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unsigned mask = 0; |
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}; |
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u32 max_offset; ///< maximum program counter ever reached |
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u32 max_opdesc_id; ///< maximum swizzle pattern index ever used |
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/// List of records for each executed shader instruction |
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std::vector<DebugData<true>::Record> records; |
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}; |
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/// Type alias for better readability |
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using DebugDataRecord = DebugData<true>::Record; |
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/// Helper function to set a DebugData<true>::Record field based on the template enum parameter. |
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template <DebugDataRecord::Type type, typename ValueType> |
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inline void SetField(DebugDataRecord& record, ValueType value); |
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template <> |
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inline void SetField<DebugDataRecord::SRC1>(DebugDataRecord& record, float24* value) { |
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record.src1.x = value[0]; |
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record.src1.y = value[1]; |
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record.src1.z = value[2]; |
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record.src1.w = value[3]; |
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} |
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template <> |
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inline void SetField<DebugDataRecord::SRC2>(DebugDataRecord& record, float24* value) { |
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record.src2.x = value[0]; |
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record.src2.y = value[1]; |
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record.src2.z = value[2]; |
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record.src2.w = value[3]; |
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} |
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template <> |
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inline void SetField<DebugDataRecord::SRC3>(DebugDataRecord& record, float24* value) { |
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record.src3.x = value[0]; |
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record.src3.y = value[1]; |
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record.src3.z = value[2]; |
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record.src3.w = value[3]; |
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} |
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template <> |
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inline void SetField<DebugDataRecord::DEST_IN>(DebugDataRecord& record, float24* value) { |
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record.dest_in.x = value[0]; |
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record.dest_in.y = value[1]; |
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record.dest_in.z = value[2]; |
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record.dest_in.w = value[3]; |
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} |
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template <> |
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inline void SetField<DebugDataRecord::DEST_OUT>(DebugDataRecord& record, float24* value) { |
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record.dest_out.x = value[0]; |
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record.dest_out.y = value[1]; |
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record.dest_out.z = value[2]; |
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record.dest_out.w = value[3]; |
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} |
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template <> |
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inline void SetField<DebugDataRecord::ADDR_REG_OUT>(DebugDataRecord& record, s32* value) { |
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record.address_registers[0] = value[0]; |
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record.address_registers[1] = value[1]; |
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} |
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template <> |
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inline void SetField<DebugDataRecord::CMP_RESULT>(DebugDataRecord& record, bool* value) { |
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record.conditional_code[0] = value[0]; |
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record.conditional_code[1] = value[1]; |
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} |
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template <> |
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inline void SetField<DebugDataRecord::COND_BOOL_IN>(DebugDataRecord& record, bool value) { |
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record.cond_bool = value; |
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} |
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template <> |
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inline void SetField<DebugDataRecord::COND_CMP_IN>(DebugDataRecord& record, bool* value) { |
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record.cond_cmp[0] = value[0]; |
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record.cond_cmp[1] = value[1]; |
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} |
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template <> |
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inline void SetField<DebugDataRecord::LOOP_INT_IN>(DebugDataRecord& record, Math::Vec4<u8> value) { |
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record.loop_int = value; |
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} |
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template <> |
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inline void SetField<DebugDataRecord::CUR_INSTR>(DebugDataRecord& record, u32 value) { |
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record.instruction_offset = value; |
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} |
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template <> |
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inline void SetField<DebugDataRecord::NEXT_INSTR>(DebugDataRecord& record, u32 value) { |
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record.next_instruction = value; |
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} |
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/// Helper function to set debug information on the current shader iteration. |
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template <DebugDataRecord::Type type, typename ValueType> |
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inline void Record(DebugData<false>& debug_data, u32 offset, ValueType value) { |
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// Debugging disabled => nothing to do |
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} |
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template <DebugDataRecord::Type type, typename ValueType> |
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inline void Record(DebugData<true>& debug_data, u32 offset, ValueType value) { |
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if (offset >= debug_data.records.size()) |
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debug_data.records.resize(offset + 1); |
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SetField<type, ValueType>(debug_data.records[offset], value); |
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debug_data.records[offset].mask |= type; |
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} |
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} // namespace Shader |
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} // namespace Pica |
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