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/**************************************************************************
*
* Copyright 2010 Luca Barbieri
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial
* portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
#include "tpf.h"
#include "utils.h"
#if 1
#define check(x) assert(x)
#define fail(x) assert(0 && (x))
#else
#define check(x) do {if(!(x)) throw(#x);} while(0)
#define fail(x) throw(x)
#endif
struct tpf_parser
{
unsigned* tokens;
unsigned* tokens_end;
tpf_program& program;
tpf_parser(tpf_program& program, void* p_tokens, unsigned size)
: program(program)
{
tokens = (unsigned*)p_tokens;
tokens_end = (unsigned*)((char*)p_tokens + size);
}
/* TODO: byteswap if machine is big endian */
uint32_t read32()
{
check(tokens < tokens_end);
return bswap_le32(*tokens++);
}
template<typename T>
void read_token(T* tok)
{
*(unsigned*)tok = read32();
}
uint64_t read64()
{
unsigned a = read32();
unsigned b = read32();
return (uint64_t)a | ((uint64_t)b << 32);
}
void skip(unsigned toskip)
{
tokens += toskip;
}
void read_op(tpf_op* pop)
{
tpf_op& op = *pop;
tpf_token_operand optok;
read_token(&optok);
assert(optok.file < TPF_FILE_COUNT);
op.swizzle[0] = 0;
op.swizzle[1] = 1;
op.swizzle[2] = 2;
op.swizzle[3] = 3;
op.mask = 0xf;
switch(optok.comps_enum)
{
case TPF_OPERAND_COMPS_0:
op.comps = 0;
break;
case TPF_OPERAND_COMPS_1:
op.comps = 1;
break;
case TPF_OPERAND_COMPS_4:
op.comps = 4;
op.mode = optok.mode;
switch(optok.mode)
{
case TPF_OPERAND_MODE_MASK:
op.mask = TPF_OPERAND_SEL_MASK(optok.sel);
break;
case TPF_OPERAND_MODE_SWIZZLE:
op.swizzle[0] = TPF_OPERAND_SEL_SWZ(optok.sel, 0);
op.swizzle[1] = TPF_OPERAND_SEL_SWZ(optok.sel, 1);
op.swizzle[2] = TPF_OPERAND_SEL_SWZ(optok.sel, 2);
op.swizzle[3] = TPF_OPERAND_SEL_SWZ(optok.sel, 3);
break;
case TPF_OPERAND_MODE_SCALAR:
op.swizzle[0] = op.swizzle[1] = op.swizzle[2] = op.swizzle[3] = TPF_OPERAND_SEL_SCALAR(optok.sel);
break;
}
break;
case TPF_OPERAND_COMPS_N:
fail("Unhandled operand component type");
}
op.file = (tpf_file)optok.file;
op.num_indices = optok.num_indices;
if(optok.extended)
{
tpf_token_operand_extended optokext;
read_token(&optokext);
if(optokext.type == 0)
{}
else if(optokext.type == 1)
{
op.neg = optokext.neg;
op.abs= optokext.abs;
}
else
fail("Unhandled extended operand token type");
}
for(unsigned i = 0; i < op.num_indices; ++i)
{
unsigned repr;
if(i == 0)
repr = optok.index0_repr;
else if(i == 1)
repr = optok.index1_repr;
else if(i == 2)
repr = optok.index2_repr;
else
fail("Unhandled operand index representation");
op.indices[0].disp = 0;
// TODO: is disp supposed to be signed here??
switch(repr)
{
case TPF_OPERAND_INDEX_REPR_IMM32:
op.indices[i].disp = (int32_t)read32();
break;
case TPF_OPERAND_INDEX_REPR_IMM64:
op.indices[i].disp = read64();
break;
case TPF_OPERAND_INDEX_REPR_REG:
relative:
op.indices[i].reg.reset(new tpf_op());
read_op(&*op.indices[0].reg);
break;
case TPF_OPERAND_INDEX_REPR_REG_IMM32:
op.indices[i].disp = (int32_t)read32();
goto relative;
case TPF_OPERAND_INDEX_REPR_REG_IMM64:
op.indices[i].disp = read64();
goto relative;
}
}
if(op.file == TPF_FILE_IMMEDIATE32)
{
for(unsigned i = 0; i < op.comps; ++i)
op.imm_values[i].i32 = read32();
}
else if(op.file == TPF_FILE_IMMEDIATE64)
{
for(unsigned i = 0; i < op.comps; ++i)
op.imm_values[i].i64 = read64();
}
}
void do_parse()
{
read_token(&program.version);
unsigned lentok = read32();
tokens_end = tokens - 2 + lentok;
while(tokens != tokens_end)
{
tpf_token_instruction insntok;
read_token(&insntok);
unsigned* insn_end = tokens - 1 + insntok.length;
tpf_opcode opcode = (tpf_opcode)insntok.opcode;
check(opcode < TPF_OPCODE_D3D11_COUNT);
if(opcode == TPF_OPCODE_CUSTOMDATA)
{
unsigned customlen = read32() - 2;
skip(customlen);
continue;
}
if((opcode >= TPF_OPCODE_DCL_RESOURCE && opcode <= TPF_OPCODE_DCL_GLOBAL_FLAGS)
|| (opcode >= TPF_OPCODE_DCL_STREAM && opcode <= TPF_OPCODE_DCL_RESOURCE_STRUCTURED))
{
tpf_dcl& dcl = *new tpf_dcl;
program.dcls.push_back(&dcl);
(tpf_token_instruction&)dcl = insntok;
tpf_token_instruction_extended exttok;
memcpy(&exttok, &insntok, sizeof(exttok));
while(exttok.extended)
{
read_token(&exttok);
}
#define READ_OP_ANY dcl.op.reset(new tpf_op()); read_op(&*dcl.op);
#define READ_OP(FILE) READ_OP_ANY
//check(dcl.op->file == TPF_FILE_##FILE);
switch(opcode)
{
case TPF_OPCODE_DCL_GLOBAL_FLAGS:
break;
case TPF_OPCODE_DCL_RESOURCE:
READ_OP(RESOURCE);
read_token(&dcl.rrt);
break;
case TPF_OPCODE_DCL_SAMPLER:
READ_OP(SAMPLER);
break;
case TPF_OPCODE_DCL_INPUT:
case TPF_OPCODE_DCL_INPUT_PS:
READ_OP(INPUT);
break;
case TPF_OPCODE_DCL_INPUT_SIV:
case TPF_OPCODE_DCL_INPUT_SGV:
case TPF_OPCODE_DCL_INPUT_PS_SIV:
case TPF_OPCODE_DCL_INPUT_PS_SGV:
READ_OP(INPUT);
dcl.sv = (tpf_sv)(uint16_t)read32();
break;
case TPF_OPCODE_DCL_OUTPUT:
READ_OP(OUTPUT);
break;
case TPF_OPCODE_DCL_OUTPUT_SIV:
case TPF_OPCODE_DCL_OUTPUT_SGV:
READ_OP(OUTPUT);
dcl.sv = (tpf_sv)(uint16_t)read32();
break;
case TPF_OPCODE_DCL_INDEX_RANGE:
READ_OP_ANY;
check(dcl.op->file == TPF_FILE_INPUT || dcl.op->file == TPF_FILE_OUTPUT);
dcl.num = read32();
break;
case TPF_OPCODE_DCL_TEMPS:
dcl.num = read32();
break;
case TPF_OPCODE_DCL_INDEXABLE_TEMP:
READ_OP(INDEXABLE_TEMP);
dcl.indexable_temp.num = read32();
dcl.indexable_temp.comps = read32();
break;
case TPF_OPCODE_DCL_CONSTANT_BUFFER:
READ_OP(CONSTANT_BUFFER);
break;
case TPF_OPCODE_DCL_GS_INPUT_PRIMITIVE:
case TPF_OPCODE_DCL_GS_OUTPUT_PRIMITIVE_TOPOLOGY:
break;
case TPF_OPCODE_DCL_MAX_OUTPUT_VERTEX_COUNT:
dcl.num = read32();
break;
case TPF_OPCODE_DCL_GS_INSTANCE_COUNT:
dcl.num = read32();
break;
case TPF_OPCODE_DCL_INPUT_CONTROL_POINT_COUNT:
case TPF_OPCODE_DCL_OUTPUT_CONTROL_POINT_COUNT:
case TPF_OPCODE_DCL_TESS_DOMAIN:
case TPF_OPCODE_DCL_TESS_PARTITIONING:
case TPF_OPCODE_DCL_TESS_OUTPUT_PRIMITIVE:
break;
case TPF_OPCODE_DCL_HS_MAX_TESSFACTOR:
dcl.f32 = read32();
break;
case TPF_OPCODE_DCL_HS_FORK_PHASE_INSTANCE_COUNT:
dcl.num = read32();
break;
case TPF_OPCODE_DCL_FUNCTION_BODY:
dcl.num = read32();
break;
case TPF_OPCODE_DCL_FUNCTION_TABLE:
dcl.num = read32();
dcl.data = malloc(dcl.num * sizeof(uint32_t));
for(unsigned i = 0; i < dcl.num; ++i)
((uint32_t*)dcl.data)[i] = read32();
break;
case TPF_OPCODE_DCL_INTERFACE:
dcl.intf.id = read32();
dcl.intf.expected_function_table_length = read32();
{
uint32_t v = read32();
dcl.intf.table_length = v & 0xffff;
dcl.intf.array_length = v >> 16;
}
dcl.data = malloc(dcl.intf.table_length * sizeof(uint32_t));
for(unsigned i = 0; i < dcl.intf.table_length; ++i)
((uint32_t*)dcl.data)[i] = read32();
break;
case TPF_OPCODE_DCL_THREAD_GROUP:
dcl.thread_group_size[0] = read32();
dcl.thread_group_size[1] = read32();
dcl.thread_group_size[2] = read32();
break;
case TPF_OPCODE_DCL_UNORDERED_ACCESS_VIEW_TYPED:
READ_OP(UNORDERED_ACCESS_VIEW);
read_token(&dcl.rrt);
break;
case TPF_OPCODE_DCL_UNORDERED_ACCESS_VIEW_RAW:
READ_OP(UNORDERED_ACCESS_VIEW);
break;
case TPF_OPCODE_DCL_UNORDERED_ACCESS_VIEW_STRUCTURED:
READ_OP(UNORDERED_ACCESS_VIEW);
dcl.structured.stride = read32();
break;
case TPF_OPCODE_DCL_THREAD_GROUP_SHARED_MEMORY_RAW:
READ_OP(THREAD_GROUP_SHARED_MEMORY);
dcl.num = read32();
break;
case TPF_OPCODE_DCL_THREAD_GROUP_SHARED_MEMORY_STRUCTURED:
READ_OP(THREAD_GROUP_SHARED_MEMORY);
dcl.structured.stride = read32();
dcl.structured.count = read32();
break;
case TPF_OPCODE_DCL_RESOURCE_RAW:
READ_OP(RESOURCE);
break;
case TPF_OPCODE_DCL_RESOURCE_STRUCTURED:
READ_OP(RESOURCE);
dcl.structured.stride = read32();
break;
case TPF_OPCODE_DCL_STREAM:
/* TODO: dcl_stream is undocumented: what is it? */
fail("Unhandled dcl_stream since it's undocumented");
default:
fail("Unhandled declaration");
}
check(tokens == insn_end);
}
else
{
tpf_insn& insn = *new tpf_insn;
program.insns.push_back(&insn);
(tpf_token_instruction&)insn = insntok;
tpf_token_instruction_extended exttok;
memcpy(&exttok, &insntok, sizeof(exttok));
while(exttok.extended)
{
read_token(&exttok);
if(exttok.type == TPF_TOKEN_INSTRUCTION_EXTENDED_TYPE_SAMPLE_CONTROLS)
{
insn.sample_offset[0] = exttok.sample_controls.offset_u;
insn.sample_offset[1] = exttok.sample_controls.offset_v;
insn.sample_offset[2] = exttok.sample_controls.offset_w;
}
else if(exttok.type == TPF_TOKEN_INSTRUCTION_EXTENDED_TYPE_RESOURCE_DIM)
insn.resource_target = exttok.resource_target.target;
else if(exttok.type == TPF_TOKEN_INSTRUCTION_EXTENDED_TYPE_RESOURCE_RETURN_TYPE)
{
insn.resource_return_type[0] = exttok.resource_return_type.x;
insn.resource_return_type[1] = exttok.resource_return_type.y;
insn.resource_return_type[2] = exttok.resource_return_type.z;
insn.resource_return_type[3] = exttok.resource_return_type.w;
}
}
switch(opcode)
{
case TPF_OPCODE_INTERFACE_CALL:
insn.num = read32();
break;
default:
break;
}
unsigned op_num = 0;
while(tokens != insn_end)
{
check(tokens < insn_end);
check(op_num < TPF_MAX_OPS);
insn.ops[op_num].reset(new tpf_op);
read_op(&*insn.ops[op_num]);
++op_num;
}
insn.num_ops = op_num;
}
}
}
const char* parse()
{
try
{
do_parse();
return 0;
}
catch(const char* error)
{
return error;
}
}
};
tpf_program* tpf_parse(void* tokens, int size)
{
tpf_program* program = new tpf_program;
tpf_parser parser(*program, tokens, size);
if(!parser.parse())
return program;
delete program;
return 0;
}
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