SPIRV-Tools/source/ext_inst.cpp
2016-01-07 13:44:22 -05:00

227 lines
7.5 KiB
C++

// Copyright (c) 2015-2016 The Khronos Group Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and/or associated documentation files (the
// "Materials"), to deal in the Materials without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Materials, and to
// permit persons to whom the Materials are furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Materials.
//
// MODIFICATIONS TO THIS FILE MAY MEAN IT NO LONGER ACCURATELY REFLECTS
// KHRONOS STANDARDS. THE UNMODIFIED, NORMATIVE VERSIONS OF KHRONOS
// SPECIFICATIONS AND HEADER INFORMATION ARE LOCATED AT
// https://www.khronos.org/registry/
//
// THE MATERIALS ARE 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 AUTHORS OR COPYRIGHT HOLDERS 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
// MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
#include "ext_inst.h"
#include <string.h>
/// Generate a spv_ext_inst_desc_t literal for a GLSL std450 extended
/// instruction with one/two/three <id> parameter(s).
#define GLSL450Inst1(name) \
#name, GLSLstd450::GLSLstd450##name, { SPV_OPERAND_TYPE_ID }
#define GLSL450Inst2(name) \
#name, GLSLstd450::GLSLstd450##name, { \
SPV_OPERAND_TYPE_ID, SPV_OPERAND_TYPE_ID \
}
#define GLSL450Inst3(name) \
#name, GLSLstd450::GLSLstd450##name, { \
SPV_OPERAND_TYPE_ID, SPV_OPERAND_TYPE_ID, SPV_OPERAND_TYPE_ID \
}
static const spv_ext_inst_desc_t glslStd450Entries[] = {
{GLSL450Inst1(Round)},
{GLSL450Inst1(RoundEven)},
{GLSL450Inst1(Trunc)},
{GLSL450Inst1(FAbs)},
{GLSL450Inst1(SAbs)},
{GLSL450Inst1(FSign)},
{GLSL450Inst1(SSign)},
{GLSL450Inst1(Floor)},
{GLSL450Inst1(Ceil)},
{GLSL450Inst1(Fract)},
{GLSL450Inst1(Radians)},
{GLSL450Inst1(Degrees)},
{GLSL450Inst1(Sin)},
{GLSL450Inst1(Cos)},
{GLSL450Inst1(Tan)},
{GLSL450Inst1(Asin)},
{GLSL450Inst1(Acos)},
{GLSL450Inst1(Atan)},
{GLSL450Inst1(Sinh)},
{GLSL450Inst1(Cosh)},
{GLSL450Inst1(Tanh)},
{GLSL450Inst1(Asinh)},
{GLSL450Inst1(Acosh)},
{GLSL450Inst1(Atanh)},
{GLSL450Inst2(Atan2)},
{GLSL450Inst2(Pow)},
{GLSL450Inst1(Exp)},
{GLSL450Inst1(Log)},
{GLSL450Inst1(Exp2)},
{GLSL450Inst1(Log2)},
{GLSL450Inst1(Sqrt)},
{GLSL450Inst1(InverseSqrt)},
{GLSL450Inst1(Determinant)},
{GLSL450Inst1(MatrixInverse)},
{GLSL450Inst2(Modf)},
{GLSL450Inst1(ModfStruct)},
{GLSL450Inst2(FMin)},
{GLSL450Inst2(UMin)},
{GLSL450Inst2(SMin)},
{GLSL450Inst2(FMax)},
{GLSL450Inst2(UMax)},
{GLSL450Inst2(SMax)},
{GLSL450Inst3(FClamp)},
{GLSL450Inst3(UClamp)},
{GLSL450Inst3(SClamp)},
{GLSL450Inst3(FMix)},
{GLSL450Inst3(IMix)},
{GLSL450Inst2(Step)},
{GLSL450Inst3(SmoothStep)},
{GLSL450Inst3(Fma)},
{GLSL450Inst2(Frexp)},
{GLSL450Inst1(FrexpStruct)},
{GLSL450Inst2(Ldexp)},
{GLSL450Inst1(PackSnorm4x8)},
{GLSL450Inst1(PackUnorm4x8)},
{GLSL450Inst1(PackSnorm2x16)},
{GLSL450Inst1(PackUnorm2x16)},
{GLSL450Inst1(PackHalf2x16)},
{GLSL450Inst1(PackDouble2x32)},
{GLSL450Inst1(UnpackSnorm2x16)},
{GLSL450Inst1(UnpackUnorm2x16)},
{GLSL450Inst1(UnpackHalf2x16)},
{GLSL450Inst1(UnpackSnorm4x8)},
{GLSL450Inst1(UnpackUnorm4x8)},
{GLSL450Inst1(UnpackDouble2x32)},
{GLSL450Inst1(Length)},
{GLSL450Inst2(Distance)},
{GLSL450Inst2(Cross)},
{GLSL450Inst1(Normalize)},
{GLSL450Inst3(FaceForward)},
{GLSL450Inst2(Reflect)},
{GLSL450Inst3(Refract)},
{GLSL450Inst1(FindILsb)},
{GLSL450Inst1(FindSMsb)},
{GLSL450Inst1(FindUMsb)},
{GLSL450Inst1(InterpolateAtCentroid)},
{GLSL450Inst2(InterpolateAtSample)},
{GLSL450Inst2(InterpolateAtOffset)},
};
static const spv_ext_inst_desc_t openclEntries[] = {
#define ExtInst(Name, Opcode, OperandList) \
{ #Name, Opcode, OperandList } \
,
#define EmptyList \
{}
#define List(...) \
{ __VA_ARGS__ }
#define OperandId SPV_OPERAND_TYPE_ID
#define OperandLiteralNumber SPV_OPERAND_TYPE_LITERAL_INTEGER
#define OperandFPRoundingMode SPV_OPERAND_TYPE_FP_ROUNDING_MODE
#define OperandVariableIds SPV_OPERAND_TYPE_VARIABLE_ID
#include "opencl_std_ext_inst.inc"
#undef ExtList
#undef EmptyList
#undef List
#undef OperandId
#undef OperandLiteralNumber
#undef OperandFPRoundingMode
#undef OperandVariableIds
};
spv_result_t spvExtInstTableGet(spv_ext_inst_table* pExtInstTable) {
if (!pExtInstTable) return SPV_ERROR_INVALID_POINTER;
static const spv_ext_inst_group_t groups[] = {
{SPV_EXT_INST_TYPE_GLSL_STD_450,
static_cast<uint32_t>(sizeof(glslStd450Entries) /
sizeof(spv_ext_inst_desc_t)),
glslStd450Entries},
{SPV_EXT_INST_TYPE_OPENCL_STD,
static_cast<uint32_t>(sizeof(openclEntries) /
sizeof(spv_ext_inst_desc_t)),
openclEntries},
};
static const spv_ext_inst_table_t table = {
static_cast<uint32_t>(sizeof(groups) / sizeof(spv_ext_inst_group_t)),
groups};
*pExtInstTable = &table;
return SPV_SUCCESS;
}
spv_ext_inst_type_t spvExtInstImportTypeGet(const char* name) {
// The names are specified by the respective extension instruction
// specifications.
if (!strcmp("GLSL.std.450", name)) {
return SPV_EXT_INST_TYPE_GLSL_STD_450;
}
if (!strcmp("OpenCL.std", name)) {
return SPV_EXT_INST_TYPE_OPENCL_STD;
}
return SPV_EXT_INST_TYPE_NONE;
}
spv_result_t spvExtInstTableNameLookup(const spv_ext_inst_table table,
const spv_ext_inst_type_t type,
const char* name,
spv_ext_inst_desc* pEntry) {
if (!table) return SPV_ERROR_INVALID_TABLE;
if (!pEntry) return SPV_ERROR_INVALID_POINTER;
for (uint32_t groupIndex = 0; groupIndex < table->count; groupIndex++) {
auto& group = table->groups[groupIndex];
if (type == group.type) {
for (uint32_t index = 0; index < group.count; index++) {
auto& entry = group.entries[index];
if (!strcmp(name, entry.name)) {
*pEntry = &table->groups[groupIndex].entries[index];
return SPV_SUCCESS;
}
}
}
}
return SPV_ERROR_INVALID_LOOKUP;
}
spv_result_t spvExtInstTableValueLookup(const spv_ext_inst_table table,
const spv_ext_inst_type_t type,
const uint32_t value,
spv_ext_inst_desc* pEntry) {
if (!table) return SPV_ERROR_INVALID_TABLE;
if (!pEntry) return SPV_ERROR_INVALID_POINTER;
for (uint32_t groupIndex = 0; groupIndex < table->count; groupIndex++) {
auto& group = table->groups[groupIndex];
if (type == group.type) {
for (uint32_t index = 0; index < group.count; index++) {
auto& entry = group.entries[index];
if (value == entry.ext_inst) {
*pEntry = &table->groups[groupIndex].entries[index];
return SPV_SUCCESS;
}
}
}
}
return SPV_ERROR_INVALID_LOOKUP;
}