147 lines
5.7 KiB
C++
147 lines
5.7 KiB
C++
#ifndef _INST_H
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#define _INST_H
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#define TSP_MAX_ARGS 7
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#define TSP_NUM_TEXTURE_UNITS 4
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#ifdef _WIN32
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# define BYTE_ORDER !BIG_ENDIAN
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#endif
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#include <stdlib.h>
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typedef union _InstructionEnum {
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struct {
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#if BYTE_ORDER != BIG_ENDIAN
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unsigned int instruction :10; // instruction id
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unsigned int stage : 4; // stage number
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unsigned int dependent : 1; // dependent operation
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unsigned int noOutput : 1; // no RGBA output
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#else
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unsigned int noOutput : 1;
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unsigned int dependent : 1;
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unsigned int stage : 4;
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unsigned int instruction :10;
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#endif
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} bits;
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unsigned int word;
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} InstructionEnum;
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// WARNING: Don't monkey with the above structure or this macro
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// unless you're absolutely sure of what you're doing!
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// This constant allocation makes validation *much* cleaner.
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#define TSP_SET_INSTRUCTION_ENUM(inst, st, dep, noout) \
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((noout << 15) | (dep << 14) | (st << 10) | inst)
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#define TSP_NOP TSP_SET_INSTRUCTION_ENUM(0, 0, 0, 1)
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#define TSP_TEXTURE_1D TSP_SET_INSTRUCTION_ENUM(1, 0, 0, 0)
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#define TSP_TEXTURE_2D TSP_SET_INSTRUCTION_ENUM(2, 0, 0, 0)
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#define TSP_TEXTURE_RECTANGLE TSP_SET_INSTRUCTION_ENUM(3, 0, 0, 0)
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#define TSP_TEXTURE_3D TSP_SET_INSTRUCTION_ENUM(4, 0, 0, 0)
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#define TSP_TEXTURE_CUBE_MAP TSP_SET_INSTRUCTION_ENUM(5, 0, 0, 0)
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#define TSP_CULL_FRAGMENT TSP_SET_INSTRUCTION_ENUM(6, 0, 0, 1)
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#define TSP_PASS_THROUGH TSP_SET_INSTRUCTION_ENUM(7, 0, 0, 0)
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#define TSP_DEPENDENT_AR TSP_SET_INSTRUCTION_ENUM(8, 0, 1, 0)
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#define TSP_DEPENDENT_GB TSP_SET_INSTRUCTION_ENUM(9, 0, 1, 0)
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#define TSP_OFFSET_2D TSP_SET_INSTRUCTION_ENUM(10, 0, 1, 0)
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#define TSP_OFFSET_2D_SCALE TSP_SET_INSTRUCTION_ENUM(11, 0, 1, 0)
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#define TSP_OFFSET_RECTANGLE TSP_SET_INSTRUCTION_ENUM(12, 0, 1, 0)
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#define TSP_OFFSET_RECTANGLE_SCALE TSP_SET_INSTRUCTION_ENUM(13, 0, 1, 0)
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#define TSP_DOT_PRODUCT_2D_1_OF_2 TSP_SET_INSTRUCTION_ENUM(14, 0, 1, 1)
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#define TSP_DOT_PRODUCT_2D_2_OF_2 TSP_SET_INSTRUCTION_ENUM(14, 1, 1, 0)
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#define TSP_DOT_PRODUCT_RECTANGLE_1_OF_2 TSP_SET_INSTRUCTION_ENUM(15, 0, 1, 1)
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#define TSP_DOT_PRODUCT_RECTANGLE_2_OF_2 TSP_SET_INSTRUCTION_ENUM(15, 1, 1, 0)
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#define TSP_DOT_PRODUCT_DEPTH_REPLACE_1_OF_2 TSP_SET_INSTRUCTION_ENUM(16, 0, 1, 1)
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#define TSP_DOT_PRODUCT_DEPTH_REPLACE_2_OF_2 TSP_SET_INSTRUCTION_ENUM(16, 1, 1, 0)
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#define TSP_DOT_PRODUCT_3D_1_OF_3 TSP_SET_INSTRUCTION_ENUM(17, 0, 1, 1)
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#define TSP_DOT_PRODUCT_3D_2_OF_3 TSP_SET_INSTRUCTION_ENUM(17, 1, 1, 1)
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#define TSP_DOT_PRODUCT_3D_3_OF_3 TSP_SET_INSTRUCTION_ENUM(17, 2, 1, 0)
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#define TSP_DOT_PRODUCT_CUBE_MAP_1_OF_3 TSP_SET_INSTRUCTION_ENUM(18, 0, 1, 1)
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#define TSP_DOT_PRODUCT_CUBE_MAP_2_OF_3 TSP_SET_INSTRUCTION_ENUM(18, 1, 1, 1)
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#define TSP_DOT_PRODUCT_CUBE_MAP_3_OF_3 TSP_SET_INSTRUCTION_ENUM(18, 2, 1, 0)
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#define TSP_DOT_PRODUCT_REFLECT_CUBE_MAP_EYE_FROM_QS_1_OF_3 TSP_SET_INSTRUCTION_ENUM(19, 0, 1, 1)
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#define TSP_DOT_PRODUCT_REFLECT_CUBE_MAP_EYE_FROM_QS_2_OF_3 TSP_SET_INSTRUCTION_ENUM(19, 1, 1, 1)
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#define TSP_DOT_PRODUCT_REFLECT_CUBE_MAP_EYE_FROM_QS_3_OF_3 TSP_SET_INSTRUCTION_ENUM(19, 2, 1, 0)
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#define TSP_DOT_PRODUCT_REFLECT_CUBE_MAP_CONST_EYE_1_OF_3 TSP_SET_INSTRUCTION_ENUM(20, 0, 1, 1)
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#define TSP_DOT_PRODUCT_REFLECT_CUBE_MAP_CONST_EYE_2_OF_3 TSP_SET_INSTRUCTION_ENUM(20, 1, 1, 1)
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#define TSP_DOT_PRODUCT_REFLECT_CUBE_MAP_CONST_EYE_3_OF_3 TSP_SET_INSTRUCTION_ENUM(20, 2, 1, 0)
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#define TSP_DOT_PRODUCT_CUBE_MAP_AND_REFLECT_CUBE_MAP_EYE_FROM_QS_1_OF_3 TSP_SET_INSTRUCTION_ENUM(21, 0, 1, 1)
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#define TSP_DOT_PRODUCT_CUBE_MAP_AND_REFLECT_CUBE_MAP_EYE_FROM_QS_2_OF_3 TSP_SET_INSTRUCTION_ENUM(21, 1, 1, 0)
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#define TSP_DOT_PRODUCT_CUBE_MAP_AND_REFLECT_CUBE_MAP_EYE_FROM_QS_3_OF_3 TSP_SET_INSTRUCTION_ENUM(21, 2, 1, 0)
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#define TSP_DOT_PRODUCT_CUBE_MAP_AND_REFLECT_CUBE_MAP_CONST_EYE_1_OF_3 TSP_SET_INSTRUCTION_ENUM(22, 0, 1, 1)
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#define TSP_DOT_PRODUCT_CUBE_MAP_AND_REFLECT_CUBE_MAP_CONST_EYE_2_OF_3 TSP_SET_INSTRUCTION_ENUM(22, 1, 1, 0)
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#define TSP_DOT_PRODUCT_CUBE_MAP_AND_REFLECT_CUBE_MAP_CONST_EYE_3_OF_3 TSP_SET_INSTRUCTION_ENUM(22, 2, 1, 0)
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#define TSP_OFFSET_PROJECTIVE_2D TSP_SET_INSTRUCTION_ENUM(23, 0, 1, 0)
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#define TSP_OFFSET_PROJECTIVE_2D_SCALE TSP_SET_INSTRUCTION_ENUM(24, 0, 1, 0)
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#define TSP_OFFSET_PROJECTIVE_RECTANGLE TSP_SET_INSTRUCTION_ENUM(25, 0, 1, 0)
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#define TSP_OFFSET_PROJECTIVE_RECTANGLE_SCALE TSP_SET_INSTRUCTION_ENUM(26, 0, 1, 0)
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typedef struct _MappedVariable {
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float var;
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int expand;
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} MappedVariable, *MappedVariablePtr;
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typedef class Inst {
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public:
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Inst(int inst, float arg0 = 0., float arg1 = 0., float arg2 = 0., float arg3 = 0., float arg4 = 0., float arg5 = 0., float arg6 = 0.);
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Inst(int inst, MappedVariablePtr arg0, float arg1 = 0., float arg2 = 0., float arg3 = 0., float arg4 = 0., float arg5 = 0., float arg6 = 0.);
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void Invoke();
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InstructionEnum opcode;
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float args[TSP_MAX_ARGS];
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private:
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int expand;
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} *InstPtr;
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#ifdef TEST_BIT_FIELDS
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#include <stdio.h>
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class InstructionEnumTest {
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public:
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InstructionEnumTest()
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{
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InstructionEnum inst;
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bool error = false;
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if (sizeof(inst.bits) != sizeof(inst.word))
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error = true;
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inst.word = 0; inst.bits.instruction = 0x3FF;
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if (TSP_SET_INSTRUCTION_ENUM(0x3FF, 0, 0, 0) != inst.word)
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error = true;
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inst.word = 0; inst.bits.stage = 0x0F;
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if (TSP_SET_INSTRUCTION_ENUM(0, 0x0F, 0, 0) != inst.word)
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error = true;
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inst.word = 0; inst.bits.dependent = true;
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if (TSP_SET_INSTRUCTION_ENUM(0, 0, 1, 0) != inst.word)
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error = true;
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inst.word = 0; inst.bits.noOutput = true;
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if (TSP_SET_INSTRUCTION_ENUM(0, 0, 0, 1) != inst.word)
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error = true;
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if (error) {
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fprintf(stderr, "ERROR: Bit Fields were not compiled correctly in " __FILE__ "!\n");
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_asm {int 3}
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exit(1);
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}
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}
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};
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static InstructionEnumTest instructionEnumTest;
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#endif /* TEST_BIT_FIELDS */
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#endif
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