vkd3d/libs/vkd3d-shader/vkd3d_shader_private.h

/*
 * Copyright 2017 Józef Kucia for CodeWeavers
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 *
 * This file incorporates work covered by the following copyright and
 * permission notice:
 *
 * Copyright 2002-2003 The wine-d3d team
 * Copyright 2002-2003 2004 Jason Edmeades
 * Copyright 2002-2003 Raphael Junqueira
 * Copyright 2005 Oliver Stieber
 * Copyright 2006 Stefan Dösinger
 * Copyright 2006-2011, 2013 Stefan Dösinger for CodeWeavers
 * Copyright 2007 Henri Verbeet
 * Copyright 2008-2009 Henri Verbeet for CodeWeavers
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */

#ifndef __VKD3D_SHADER_PRIVATE_H
#define __VKD3D_SHADER_PRIVATE_H

#define NONAMELESSUNION
#include "vkd3d_common.h"
#include "vkd3d_memory.h"
#include "vkd3d_shader.h"
#include "list.h"

#include <assert.h>
#include <inttypes.h>
#include <limits.h>
#include <stdbool.h>
#include <string.h>

#define VKD3D_VEC4_SIZE 4
#define VKD3D_DVEC2_SIZE 2

enum vkd3d_shader_error
{
    VKD3D_SHADER_ERROR_DXBC_INVALID_SIZE                = 1,
    VKD3D_SHADER_ERROR_DXBC_INVALID_MAGIC               = 2,
    VKD3D_SHADER_ERROR_DXBC_INVALID_CHECKSUM            = 3,
    VKD3D_SHADER_ERROR_DXBC_INVALID_VERSION             = 4,
    VKD3D_SHADER_ERROR_DXBC_INVALID_CHUNK_OFFSET        = 5,
    VKD3D_SHADER_ERROR_DXBC_INVALID_CHUNK_SIZE          = 6,

    VKD3D_SHADER_ERROR_TPF_MISMATCHED_CF                = 1000,
    VKD3D_SHADER_ERROR_TPF_INVALID_REGISTER_RANGE       = 1001,

    VKD3D_SHADER_ERROR_SPV_DESCRIPTOR_BINDING_NOT_FOUND = 2000,
    VKD3D_SHADER_ERROR_SPV_INVALID_REGISTER_TYPE        = 2001,
    VKD3D_SHADER_ERROR_SPV_INVALID_DESCRIPTOR_BINDING   = 2002,
    VKD3D_SHADER_ERROR_SPV_DESCRIPTOR_IDX_UNSUPPORTED   = 2003,

    VKD3D_SHADER_ERROR_RS_OUT_OF_MEMORY                 = 3000,
    VKD3D_SHADER_ERROR_RS_INVALID_VERSION               = 3001,
    VKD3D_SHADER_ERROR_RS_INVALID_ROOT_PARAMETER_TYPE   = 3002,
    VKD3D_SHADER_ERROR_RS_INVALID_DESCRIPTOR_RANGE_TYPE = 3003,
    VKD3D_SHADER_ERROR_RS_MIXED_DESCRIPTOR_RANGE_TYPES  = 3004,

    VKD3D_SHADER_ERROR_PP_INVALID_SYNTAX                = 4000,
    VKD3D_SHADER_ERROR_PP_ERROR_DIRECTIVE               = 4001,
    VKD3D_SHADER_ERROR_PP_INCLUDE_FAILED                = 4002,

    VKD3D_SHADER_WARNING_PP_ALREADY_DEFINED             = 4300,
    VKD3D_SHADER_WARNING_PP_INVALID_DIRECTIVE           = 4301,
    VKD3D_SHADER_WARNING_PP_ARGUMENT_COUNT_MISMATCH     = 4302,
    VKD3D_SHADER_WARNING_PP_UNKNOWN_DIRECTIVE           = 4303,
    VKD3D_SHADER_WARNING_PP_UNTERMINATED_MACRO          = 4304,
    VKD3D_SHADER_WARNING_PP_UNTERMINATED_IF             = 4305,
    VKD3D_SHADER_WARNING_PP_DIV_BY_ZERO                 = 4306,

    VKD3D_SHADER_ERROR_HLSL_INVALID_SYNTAX              = 5000,
    VKD3D_SHADER_ERROR_HLSL_INVALID_MODIFIER            = 5001,
    VKD3D_SHADER_ERROR_HLSL_INVALID_TYPE                = 5002,
    VKD3D_SHADER_ERROR_HLSL_MODIFIES_CONST              = 5003,
    VKD3D_SHADER_ERROR_HLSL_MISSING_SEMANTIC            = 5004,
    VKD3D_SHADER_ERROR_HLSL_NOT_DEFINED                 = 5005,
    VKD3D_SHADER_ERROR_HLSL_REDEFINED                   = 5006,
    VKD3D_SHADER_ERROR_HLSL_WRONG_PARAMETER_COUNT       = 5007,
    VKD3D_SHADER_ERROR_HLSL_INVALID_SIZE                = 5008,
    VKD3D_SHADER_ERROR_HLSL_MISSING_INITIALIZER         = 5009,
    VKD3D_SHADER_ERROR_HLSL_INVALID_LVALUE              = 5010,
    VKD3D_SHADER_ERROR_HLSL_INVALID_WRITEMASK           = 5011,
    VKD3D_SHADER_ERROR_HLSL_INVALID_INDEX               = 5012,
    VKD3D_SHADER_ERROR_HLSL_INVALID_SEMANTIC            = 5013,
    VKD3D_SHADER_ERROR_HLSL_INVALID_RETURN              = 5014,
    VKD3D_SHADER_ERROR_HLSL_OVERLAPPING_RESERVATIONS    = 5015,
    VKD3D_SHADER_ERROR_HLSL_INVALID_RESERVATION         = 5016,
    VKD3D_SHADER_ERROR_HLSL_NOT_IMPLEMENTED             = 5017,

    VKD3D_SHADER_WARNING_HLSL_IMPLICIT_TRUNCATION       = 5300,

    VKD3D_SHADER_ERROR_GLSL_INTERNAL                    = 6000,
};

enum vkd3d_shader_opcode
{
    VKD3DSIH_ABS,
    VKD3DSIH_ADD,
    VKD3DSIH_AND,
    VKD3DSIH_ATOMIC_AND,
    VKD3DSIH_ATOMIC_CMP_STORE,
    VKD3DSIH_ATOMIC_IADD,
    VKD3DSIH_ATOMIC_IMAX,
    VKD3DSIH_ATOMIC_IMIN,
    VKD3DSIH_ATOMIC_OR,
    VKD3DSIH_ATOMIC_UMAX,
    VKD3DSIH_ATOMIC_UMIN,
    VKD3DSIH_ATOMIC_XOR,
    VKD3DSIH_BEM,
    VKD3DSIH_BFI,
    VKD3DSIH_BFREV,
    VKD3DSIH_BREAK,
    VKD3DSIH_BREAKC,
    VKD3DSIH_BREAKP,
    VKD3DSIH_BUFINFO,
    VKD3DSIH_CALL,
    VKD3DSIH_CALLNZ,
    VKD3DSIH_CASE,
    VKD3DSIH_CMP,
    VKD3DSIH_CND,
    VKD3DSIH_CONTINUE,
    VKD3DSIH_CONTINUEP,
    VKD3DSIH_COUNTBITS,
    VKD3DSIH_CRS,
    VKD3DSIH_CUT,
    VKD3DSIH_CUT_STREAM,
    VKD3DSIH_DADD,
    VKD3DSIH_DCL,
    VKD3DSIH_DCL_CONSTANT_BUFFER,
    VKD3DSIH_DCL_FUNCTION_BODY,
    VKD3DSIH_DCL_FUNCTION_TABLE,
    VKD3DSIH_DCL_GLOBAL_FLAGS,
    VKD3DSIH_DCL_GS_INSTANCES,
    VKD3DSIH_DCL_HS_FORK_PHASE_INSTANCE_COUNT,
    VKD3DSIH_DCL_HS_JOIN_PHASE_INSTANCE_COUNT,
    VKD3DSIH_DCL_HS_MAX_TESSFACTOR,
    VKD3DSIH_DCL_IMMEDIATE_CONSTANT_BUFFER,
    VKD3DSIH_DCL_INDEX_RANGE,
    VKD3DSIH_DCL_INDEXABLE_TEMP,
    VKD3DSIH_DCL_INPUT,
    VKD3DSIH_DCL_INPUT_CONTROL_POINT_COUNT,
    VKD3DSIH_DCL_INPUT_PRIMITIVE,
    VKD3DSIH_DCL_INPUT_PS,
    VKD3DSIH_DCL_INPUT_PS_SGV,
    VKD3DSIH_DCL_INPUT_PS_SIV,
    VKD3DSIH_DCL_INPUT_SGV,
    VKD3DSIH_DCL_INPUT_SIV,
    VKD3DSIH_DCL_INTERFACE,
    VKD3DSIH_DCL_OUTPUT,
    VKD3DSIH_DCL_OUTPUT_CONTROL_POINT_COUNT,
    VKD3DSIH_DCL_OUTPUT_SIV,
    VKD3DSIH_DCL_OUTPUT_TOPOLOGY,
    VKD3DSIH_DCL_RESOURCE_RAW,
    VKD3DSIH_DCL_RESOURCE_STRUCTURED,
    VKD3DSIH_DCL_SAMPLER,
    VKD3DSIH_DCL_STREAM,
    VKD3DSIH_DCL_TEMPS,
    VKD3DSIH_DCL_TESSELLATOR_DOMAIN,
    VKD3DSIH_DCL_TESSELLATOR_OUTPUT_PRIMITIVE,
    VKD3DSIH_DCL_TESSELLATOR_PARTITIONING,
    VKD3DSIH_DCL_TGSM_RAW,
    VKD3DSIH_DCL_TGSM_STRUCTURED,
    VKD3DSIH_DCL_THREAD_GROUP,
    VKD3DSIH_DCL_UAV_RAW,
    VKD3DSIH_DCL_UAV_STRUCTURED,
    VKD3DSIH_DCL_UAV_TYPED,
    VKD3DSIH_DCL_VERTICES_OUT,
    VKD3DSIH_DDIV,
    VKD3DSIH_DEF,
    VKD3DSIH_DEFAULT,
    VKD3DSIH_DEFB,
    VKD3DSIH_DEFI,
    VKD3DSIH_DEQ,
    VKD3DSIH_DFMA,
    VKD3DSIH_DGE,
    VKD3DSIH_DIV,
    VKD3DSIH_DLT,
    VKD3DSIH_DMAX,
    VKD3DSIH_DMIN,
    VKD3DSIH_DMOV,
    VKD3DSIH_DMOVC,
    VKD3DSIH_DMUL,
    VKD3DSIH_DNE,
    VKD3DSIH_DP2,
    VKD3DSIH_DP2ADD,
    VKD3DSIH_DP3,
    VKD3DSIH_DP4,
    VKD3DSIH_DRCP,
    VKD3DSIH_DST,
    VKD3DSIH_DSX,
    VKD3DSIH_DSX_COARSE,
    VKD3DSIH_DSX_FINE,
    VKD3DSIH_DSY,
    VKD3DSIH_DSY_COARSE,
    VKD3DSIH_DSY_FINE,
    VKD3DSIH_DTOF,
    VKD3DSIH_DTOI,
    VKD3DSIH_DTOU,
    VKD3DSIH_ELSE,
    VKD3DSIH_EMIT,
    VKD3DSIH_EMIT_STREAM,
    VKD3DSIH_ENDIF,
    VKD3DSIH_ENDLOOP,
    VKD3DSIH_ENDREP,
    VKD3DSIH_ENDSWITCH,
    VKD3DSIH_EQ,
    VKD3DSIH_EVAL_CENTROID,
    VKD3DSIH_EVAL_SAMPLE_INDEX,
    VKD3DSIH_EXP,
    VKD3DSIH_EXPP,
    VKD3DSIH_F16TOF32,
    VKD3DSIH_F32TOF16,
    VKD3DSIH_FCALL,
    VKD3DSIH_FIRSTBIT_HI,
    VKD3DSIH_FIRSTBIT_LO,
    VKD3DSIH_FIRSTBIT_SHI,
    VKD3DSIH_FRC,
    VKD3DSIH_FTOD,
    VKD3DSIH_FTOI,
    VKD3DSIH_FTOU,
    VKD3DSIH_GATHER4,
    VKD3DSIH_GATHER4_C,
    VKD3DSIH_GATHER4_PO,
    VKD3DSIH_GATHER4_PO_C,
    VKD3DSIH_GE,
    VKD3DSIH_HS_CONTROL_POINT_PHASE,
    VKD3DSIH_HS_DECLS,
    VKD3DSIH_HS_FORK_PHASE,
    VKD3DSIH_HS_JOIN_PHASE,
    VKD3DSIH_IADD,
    VKD3DSIH_IBFE,
    VKD3DSIH_IEQ,
    VKD3DSIH_IF,
    VKD3DSIH_IFC,
    VKD3DSIH_IGE,
    VKD3DSIH_ILT,
    VKD3DSIH_IMAD,
    VKD3DSIH_IMAX,
    VKD3DSIH_IMIN,
    VKD3DSIH_IMM_ATOMIC_ALLOC,
    VKD3DSIH_IMM_ATOMIC_AND,
    VKD3DSIH_IMM_ATOMIC_CMP_EXCH,
    VKD3DSIH_IMM_ATOMIC_CONSUME,
    VKD3DSIH_IMM_ATOMIC_EXCH,
    VKD3DSIH_IMM_ATOMIC_IADD,
    VKD3DSIH_IMM_ATOMIC_IMAX,
    VKD3DSIH_IMM_ATOMIC_IMIN,
    VKD3DSIH_IMM_ATOMIC_OR,
    VKD3DSIH_IMM_ATOMIC_UMAX,
    VKD3DSIH_IMM_ATOMIC_UMIN,
    VKD3DSIH_IMM_ATOMIC_XOR,
    VKD3DSIH_IMUL,
    VKD3DSIH_INE,
    VKD3DSIH_INEG,
    VKD3DSIH_ISHL,
    VKD3DSIH_ISHR,
    VKD3DSIH_ITOD,
    VKD3DSIH_ITOF,
    VKD3DSIH_LABEL,
    VKD3DSIH_LD,
    VKD3DSIH_LD2DMS,
    VKD3DSIH_LD_RAW,
    VKD3DSIH_LD_STRUCTURED,
    VKD3DSIH_LD_UAV_TYPED,
    VKD3DSIH_LIT,
    VKD3DSIH_LOD,
    VKD3DSIH_LOG,
    VKD3DSIH_LOGP,
    VKD3DSIH_LOOP,
    VKD3DSIH_LRP,
    VKD3DSIH_LT,
    VKD3DSIH_M3x2,
    VKD3DSIH_M3x3,
    VKD3DSIH_M3x4,
    VKD3DSIH_M4x3,
    VKD3DSIH_M4x4,
    VKD3DSIH_MAD,
    VKD3DSIH_MAX,
    VKD3DSIH_MIN,
    VKD3DSIH_MOV,
    VKD3DSIH_MOVA,
    VKD3DSIH_MOVC,
    VKD3DSIH_MUL,
    VKD3DSIH_NE,
    VKD3DSIH_NOP,
    VKD3DSIH_NOT,
    VKD3DSIH_NRM,
    VKD3DSIH_OR,
    VKD3DSIH_PHASE,
    VKD3DSIH_POW,
    VKD3DSIH_RCP,
    VKD3DSIH_REP,
    VKD3DSIH_RESINFO,
    VKD3DSIH_RET,
    VKD3DSIH_RETP,
    VKD3DSIH_ROUND_NE,
    VKD3DSIH_ROUND_NI,
    VKD3DSIH_ROUND_PI,
    VKD3DSIH_ROUND_Z,
    VKD3DSIH_RSQ,
    VKD3DSIH_SAMPLE,
    VKD3DSIH_SAMPLE_B,
    VKD3DSIH_SAMPLE_C,
    VKD3DSIH_SAMPLE_C_LZ,
    VKD3DSIH_SAMPLE_GRAD,
    VKD3DSIH_SAMPLE_INFO,
    VKD3DSIH_SAMPLE_LOD,
    VKD3DSIH_SAMPLE_POS,
    VKD3DSIH_SETP,
    VKD3DSIH_SGE,
    VKD3DSIH_SGN,
    VKD3DSIH_SINCOS,
    VKD3DSIH_SLT,
    VKD3DSIH_SQRT,
    VKD3DSIH_STORE_RAW,
    VKD3DSIH_STORE_STRUCTURED,
    VKD3DSIH_STORE_UAV_TYPED,
    VKD3DSIH_SUB,
    VKD3DSIH_SWAPC,
    VKD3DSIH_SWITCH,
    VKD3DSIH_SYNC,
    VKD3DSIH_TEX,
    VKD3DSIH_TEXBEM,
    VKD3DSIH_TEXBEML,
    VKD3DSIH_TEXCOORD,
    VKD3DSIH_TEXDEPTH,
    VKD3DSIH_TEXDP3,
    VKD3DSIH_TEXDP3TEX,
    VKD3DSIH_TEXKILL,
    VKD3DSIH_TEXLDD,
    VKD3DSIH_TEXLDL,
    VKD3DSIH_TEXM3x2DEPTH,
    VKD3DSIH_TEXM3x2PAD,
    VKD3DSIH_TEXM3x2TEX,
    VKD3DSIH_TEXM3x3,
    VKD3DSIH_TEXM3x3DIFF,
    VKD3DSIH_TEXM3x3PAD,
    VKD3DSIH_TEXM3x3SPEC,
    VKD3DSIH_TEXM3x3TEX,
    VKD3DSIH_TEXM3x3VSPEC,
    VKD3DSIH_TEXREG2AR,
    VKD3DSIH_TEXREG2GB,
    VKD3DSIH_TEXREG2RGB,
    VKD3DSIH_UBFE,
    VKD3DSIH_UDIV,
    VKD3DSIH_UGE,
    VKD3DSIH_ULT,
    VKD3DSIH_UMAX,
    VKD3DSIH_UMIN,
    VKD3DSIH_UMUL,
    VKD3DSIH_USHR,
    VKD3DSIH_UTOD,
    VKD3DSIH_UTOF,
    VKD3DSIH_XOR,

    VKD3DSIH_INVALID,
};

enum vkd3d_shader_register_type
{
    VKD3DSPR_TEMP = 0,
    VKD3DSPR_INPUT = 1,
    VKD3DSPR_CONST = 2,
    VKD3DSPR_ADDR = 3,
    VKD3DSPR_TEXTURE = 3,
    VKD3DSPR_RASTOUT = 4,
    VKD3DSPR_ATTROUT = 5,
    VKD3DSPR_TEXCRDOUT = 6,
    VKD3DSPR_OUTPUT = 6,
    VKD3DSPR_CONSTINT = 7,
    VKD3DSPR_COLOROUT = 8,
    VKD3DSPR_DEPTHOUT = 9,
    VKD3DSPR_SAMPLER = 10,
    VKD3DSPR_CONST2 = 11,
    VKD3DSPR_CONST3 = 12,
    VKD3DSPR_CONST4 = 13,
    VKD3DSPR_CONSTBOOL = 14,
    VKD3DSPR_LOOP = 15,
    VKD3DSPR_TEMPFLOAT16 = 16,
    VKD3DSPR_MISCTYPE = 17,
    VKD3DSPR_LABEL = 18,
    VKD3DSPR_PREDICATE = 19,
    VKD3DSPR_IMMCONST,
    VKD3DSPR_IMMCONST64,
    VKD3DSPR_CONSTBUFFER,
    VKD3DSPR_IMMCONSTBUFFER,
    VKD3DSPR_PRIMID,
    VKD3DSPR_NULL,
    VKD3DSPR_RESOURCE,
    VKD3DSPR_UAV,
    VKD3DSPR_OUTPOINTID,
    VKD3DSPR_FORKINSTID,
    VKD3DSPR_JOININSTID,
    VKD3DSPR_INCONTROLPOINT,
    VKD3DSPR_OUTCONTROLPOINT,
    VKD3DSPR_PATCHCONST,
    VKD3DSPR_TESSCOORD,
    VKD3DSPR_GROUPSHAREDMEM,
    VKD3DSPR_THREADID,
    VKD3DSPR_THREADGROUPID,
    VKD3DSPR_LOCALTHREADID,
    VKD3DSPR_LOCALTHREADINDEX,
    VKD3DSPR_IDXTEMP,
    VKD3DSPR_STREAM,
    VKD3DSPR_FUNCTIONBODY,
    VKD3DSPR_FUNCTIONPOINTER,
    VKD3DSPR_COVERAGE,
    VKD3DSPR_SAMPLEMASK,
    VKD3DSPR_GSINSTID,
    VKD3DSPR_DEPTHOUTGE,
    VKD3DSPR_DEPTHOUTLE,
    VKD3DSPR_RASTERIZER,

    VKD3DSPR_INVALID = ~0u,
};

enum vkd3d_data_type
{
    VKD3D_DATA_FLOAT,
    VKD3D_DATA_INT,
    VKD3D_DATA_RESOURCE,
    VKD3D_DATA_SAMPLER,
    VKD3D_DATA_UAV,
    VKD3D_DATA_UINT,
    VKD3D_DATA_UNORM,
    VKD3D_DATA_SNORM,
    VKD3D_DATA_OPAQUE,
    VKD3D_DATA_MIXED,
    VKD3D_DATA_DOUBLE,
    VKD3D_DATA_CONTINUED,
    VKD3D_DATA_UNUSED,
};

enum vkd3d_immconst_type
{
    VKD3D_IMMCONST_SCALAR,
    VKD3D_IMMCONST_VEC4,
};

enum vkd3d_shader_src_modifier
{
    VKD3DSPSM_NONE = 0,
    VKD3DSPSM_NEG = 1,
    VKD3DSPSM_BIAS = 2,
    VKD3DSPSM_BIASNEG = 3,
    VKD3DSPSM_SIGN = 4,
    VKD3DSPSM_SIGNNEG = 5,
    VKD3DSPSM_COMP = 6,
    VKD3DSPSM_X2 = 7,
    VKD3DSPSM_X2NEG = 8,
    VKD3DSPSM_DZ = 9,
    VKD3DSPSM_DW = 10,
    VKD3DSPSM_ABS = 11,
    VKD3DSPSM_ABSNEG = 12,
    VKD3DSPSM_NOT = 13,
};

#define VKD3DSP_WRITEMASK_0   0x1u /* .x r */
#define VKD3DSP_WRITEMASK_1   0x2u /* .y g */
#define VKD3DSP_WRITEMASK_2   0x4u /* .z b */
#define VKD3DSP_WRITEMASK_3   0x8u /* .w a */
#define VKD3DSP_WRITEMASK_ALL 0xfu /* all */

enum vkd3d_shader_dst_modifier
{
    VKD3DSPDM_NONE = 0,
    VKD3DSPDM_SATURATE = 1,
    VKD3DSPDM_PARTIALPRECISION = 2,
    VKD3DSPDM_MSAMPCENTROID = 4,
};

enum vkd3d_shader_interpolation_mode
{
    VKD3DSIM_NONE = 0,
    VKD3DSIM_CONSTANT = 1,
    VKD3DSIM_LINEAR = 2,
    VKD3DSIM_LINEAR_CENTROID = 3,
    VKD3DSIM_LINEAR_NOPERSPECTIVE = 4,
    VKD3DSIM_LINEAR_NOPERSPECTIVE_CENTROID = 5,
    VKD3DSIM_LINEAR_SAMPLE = 6,
    VKD3DSIM_LINEAR_NOPERSPECTIVE_SAMPLE = 7,
};

enum vkd3d_shader_global_flags
{
    VKD3DSGF_REFACTORING_ALLOWED               = 0x01,
    VKD3DSGF_ENABLE_DOUBLE_PRECISION_FLOAT_OPS = 0x02,
    VKD3DSGF_FORCE_EARLY_DEPTH_STENCIL         = 0x04,
    VKD3DSGF_ENABLE_RAW_AND_STRUCTURED_BUFFERS = 0x08,
    VKD3DSGF_SKIP_OPTIMIZATION                 = 0x10,
    VKD3DSGF_ENABLE_MINIMUM_PRECISION          = 0x20,
    VKD3DSGF_ENABLE_11_1_DOUBLE_EXTENSIONS     = 0x40,
};

enum vkd3d_shader_sync_flags
{
    VKD3DSSF_THREAD_GROUP        = 0x1,
    VKD3DSSF_GROUP_SHARED_MEMORY = 0x2,
    VKD3DSSF_GLOBAL_UAV          = 0x8,
};

enum vkd3d_shader_uav_flags
{
    VKD3DSUF_GLOBALLY_COHERENT = 0x2,
    VKD3DSUF_ORDER_PRESERVING_COUNTER = 0x100,
};

enum vkd3d_tessellator_domain
{
    VKD3D_TESSELLATOR_DOMAIN_LINE      = 1,
    VKD3D_TESSELLATOR_DOMAIN_TRIANGLE  = 2,
    VKD3D_TESSELLATOR_DOMAIN_QUAD      = 3,
};

#define VKD3DSI_NONE                    0x0
#define VKD3DSI_TEXLD_PROJECT           0x1
#define VKD3DSI_INDEXED_DYNAMIC         0x4
#define VKD3DSI_RESINFO_RCP_FLOAT       0x1
#define VKD3DSI_RESINFO_UINT            0x2
#define VKD3DSI_SAMPLE_INFO_UINT        0x1
#define VKD3DSI_SAMPLER_COMPARISON_MODE 0x1

#define VKD3DSI_PRECISE_X         0x100
#define VKD3DSI_PRECISE_Y         0x200
#define VKD3DSI_PRECISE_Z         0x400
#define VKD3DSI_PRECISE_W         0x800
#define VKD3DSI_PRECISE_XYZW      (VKD3DSI_PRECISE_X | VKD3DSI_PRECISE_Y \
                                  | VKD3DSI_PRECISE_Z | VKD3DSI_PRECISE_W)
#define VKD3DSI_PRECISE_SHIFT     8

enum vkd3d_shader_rel_op
{
    VKD3D_SHADER_REL_OP_GT = 1,
    VKD3D_SHADER_REL_OP_EQ = 2,
    VKD3D_SHADER_REL_OP_GE = 3,
    VKD3D_SHADER_REL_OP_LT = 4,
    VKD3D_SHADER_REL_OP_NE = 5,
    VKD3D_SHADER_REL_OP_LE = 6,
};

enum vkd3d_shader_conditional_op
{
    VKD3D_SHADER_CONDITIONAL_OP_NZ = 0,
    VKD3D_SHADER_CONDITIONAL_OP_Z  = 1
};

#define MAX_IMMEDIATE_CONSTANT_BUFFER_SIZE 4096
#define MAX_REG_OUTPUT 32

enum vkd3d_shader_type
{
    VKD3D_SHADER_TYPE_PIXEL,
    VKD3D_SHADER_TYPE_VERTEX,
    VKD3D_SHADER_TYPE_GEOMETRY,
    VKD3D_SHADER_TYPE_HULL,
    VKD3D_SHADER_TYPE_DOMAIN,
    VKD3D_SHADER_TYPE_GRAPHICS_COUNT,

    VKD3D_SHADER_TYPE_COMPUTE = VKD3D_SHADER_TYPE_GRAPHICS_COUNT,

    VKD3D_SHADER_TYPE_EFFECT,
    VKD3D_SHADER_TYPE_TEXTURE,
    VKD3D_SHADER_TYPE_LIBRARY,
    VKD3D_SHADER_TYPE_COUNT,
};

struct vkd3d_shader_version
{
    enum vkd3d_shader_type type;
    uint8_t major;
    uint8_t minor;
};

struct vkd3d_shader_immediate_constant_buffer
{
    unsigned int vec4_count;
    DWORD data[MAX_IMMEDIATE_CONSTANT_BUFFER_SIZE];
};

struct vkd3d_shader_indexable_temp
{
    struct list entry;
    unsigned int register_idx;
    unsigned int register_size;
    unsigned int component_count;
};

struct vkd3d_shader_register_index
{
    const struct vkd3d_shader_src_param *rel_addr;
    unsigned int offset;
};

struct vkd3d_shader_register
{
    enum vkd3d_shader_register_type type;
    enum vkd3d_data_type data_type;
    struct vkd3d_shader_register_index idx[3];
    enum vkd3d_immconst_type immconst_type;
    union
    {
        DWORD immconst_uint[VKD3D_VEC4_SIZE];
        float immconst_float[VKD3D_VEC4_SIZE];
        uint64_t immconst_uint64[VKD3D_DVEC2_SIZE];
        double immconst_double[VKD3D_DVEC2_SIZE];
        unsigned fp_body_idx;
    } u;
};

struct vkd3d_shader_dst_param
{
    struct vkd3d_shader_register reg;
    DWORD write_mask;
    DWORD modifiers;
    DWORD shift;
};

struct vkd3d_shader_src_param
{
    struct vkd3d_shader_register reg;
    DWORD swizzle;
    enum vkd3d_shader_src_modifier modifiers;
};

struct vkd3d_shader_index_range
{
    struct vkd3d_shader_dst_param dst;
    unsigned int register_count;
};

struct vkd3d_shader_register_range
{
    unsigned int space;
    unsigned int first, last;
};

struct vkd3d_shader_resource
{
    struct vkd3d_shader_dst_param reg;
    struct vkd3d_shader_register_range range;
};

enum vkd3d_decl_usage
{
    VKD3D_DECL_USAGE_POSITION             = 0,
    VKD3D_DECL_USAGE_BLEND_WEIGHT         = 1,
    VKD3D_DECL_USAGE_BLEND_INDICES        = 2,
    VKD3D_DECL_USAGE_NORMAL               = 3,
    VKD3D_DECL_USAGE_PSIZE                = 4,
    VKD3D_DECL_USAGE_TEXCOORD             = 5,
    VKD3D_DECL_USAGE_TANGENT              = 6,
    VKD3D_DECL_USAGE_BINORMAL             = 7,
    VKD3D_DECL_USAGE_TESS_FACTOR          = 8,
    VKD3D_DECL_USAGE_POSITIONT            = 9,
    VKD3D_DECL_USAGE_COLOR                = 10,
    VKD3D_DECL_USAGE_FOG                  = 11,
    VKD3D_DECL_USAGE_DEPTH                = 12,
    VKD3D_DECL_USAGE_SAMPLE               = 13
};

struct vkd3d_shader_semantic
{
    enum vkd3d_decl_usage usage;
    unsigned int usage_idx;
    enum vkd3d_shader_resource_type resource_type;
    enum vkd3d_data_type resource_data_type[VKD3D_VEC4_SIZE];
    struct vkd3d_shader_resource resource;
};

enum vkd3d_shader_input_sysval_semantic
{
    VKD3D_SIV_NONE                         = 0,
    VKD3D_SIV_POSITION                     = 1,
    VKD3D_SIV_CLIP_DISTANCE                = 2,
    VKD3D_SIV_CULL_DISTANCE                = 3,
    VKD3D_SIV_RENDER_TARGET_ARRAY_INDEX    = 4,
    VKD3D_SIV_VIEWPORT_ARRAY_INDEX         = 5,
    VKD3D_SIV_VERTEX_ID                    = 6,
    VKD3D_SIV_PRIMITIVE_ID                 = 7,
    VKD3D_SIV_INSTANCE_ID                  = 8,
    VKD3D_SIV_IS_FRONT_FACE                = 9,
    VKD3D_SIV_SAMPLE_INDEX                 = 10,
    VKD3D_SIV_QUAD_U0_TESS_FACTOR          = 11,
    VKD3D_SIV_QUAD_V0_TESS_FACTOR          = 12,
    VKD3D_SIV_QUAD_U1_TESS_FACTOR          = 13,
    VKD3D_SIV_QUAD_V1_TESS_FACTOR          = 14,
    VKD3D_SIV_QUAD_U_INNER_TESS_FACTOR     = 15,
    VKD3D_SIV_QUAD_V_INNER_TESS_FACTOR     = 16,
    VKD3D_SIV_TRIANGLE_U_TESS_FACTOR       = 17,
    VKD3D_SIV_TRIANGLE_V_TESS_FACTOR       = 18,
    VKD3D_SIV_TRIANGLE_W_TESS_FACTOR       = 19,
    VKD3D_SIV_TRIANGLE_INNER_TESS_FACTOR   = 20,
    VKD3D_SIV_LINE_DETAIL_TESS_FACTOR      = 21,
    VKD3D_SIV_LINE_DENSITY_TESS_FACTOR     = 22,
};

struct vkd3d_shader_desc
{
    const DWORD *byte_code;
    size_t byte_code_size;
    struct vkd3d_shader_signature input_signature;
    struct vkd3d_shader_signature output_signature;
    struct vkd3d_shader_signature patch_constant_signature;
};

struct vkd3d_shader_register_semantic
{
    struct vkd3d_shader_dst_param reg;
    enum vkd3d_shader_input_sysval_semantic sysval_semantic;
};

struct vkd3d_shader_sampler
{
    struct vkd3d_shader_src_param src;
    struct vkd3d_shader_register_range range;
};

struct vkd3d_shader_constant_buffer
{
    struct vkd3d_shader_src_param src;
    unsigned int size;
    struct vkd3d_shader_register_range range;
};

struct vkd3d_shader_structured_resource
{
    struct vkd3d_shader_resource resource;
    unsigned int byte_stride;
};

struct vkd3d_shader_raw_resource
{
    struct vkd3d_shader_resource resource;
};

struct vkd3d_shader_tgsm
{
    unsigned int size;
    unsigned int stride;
};

struct vkd3d_shader_tgsm_raw
{
    struct vkd3d_shader_dst_param reg;
    unsigned int byte_count;
};

struct vkd3d_shader_tgsm_structured
{
    struct vkd3d_shader_dst_param reg;
    unsigned int byte_stride;
    unsigned int structure_count;
};

struct vkd3d_shader_thread_group_size
{
    unsigned int x, y, z;
};

struct vkd3d_shader_function_table_pointer
{
    unsigned int index;
    unsigned int array_size;
    unsigned int body_count;
    unsigned int table_count;
};

struct vkd3d_shader_texel_offset
{
    signed char u, v, w;
};

enum vkd3d_primitive_type
{
    VKD3D_PT_UNDEFINED                    = 0,
    VKD3D_PT_POINTLIST                    = 1,
    VKD3D_PT_LINELIST                     = 2,
    VKD3D_PT_LINESTRIP                    = 3,
    VKD3D_PT_TRIANGLELIST                 = 4,
    VKD3D_PT_TRIANGLESTRIP                = 5,
    VKD3D_PT_TRIANGLEFAN                  = 6,
    VKD3D_PT_LINELIST_ADJ                 = 10,
    VKD3D_PT_LINESTRIP_ADJ                = 11,
    VKD3D_PT_TRIANGLELIST_ADJ             = 12,
    VKD3D_PT_TRIANGLESTRIP_ADJ            = 13,
    VKD3D_PT_PATCH                        = 14,
};

struct vkd3d_shader_primitive_type
{
    enum vkd3d_primitive_type type;
    unsigned int patch_vertex_count;
};

struct vkd3d_shader_instruction
{
    enum vkd3d_shader_opcode handler_idx;
    DWORD flags;
    unsigned int dst_count;
    unsigned int src_count;
    const struct vkd3d_shader_dst_param *dst;
    const struct vkd3d_shader_src_param *src;
    struct vkd3d_shader_texel_offset texel_offset;
    enum vkd3d_shader_resource_type resource_type;
    unsigned int resource_stride;
    enum vkd3d_data_type resource_data_type[VKD3D_VEC4_SIZE];
    bool coissue, structured, raw;
    const struct vkd3d_shader_src_param *predicate;
    union
    {
        struct vkd3d_shader_semantic semantic;
        struct vkd3d_shader_register_semantic register_semantic;
        struct vkd3d_shader_primitive_type primitive_type;
        struct vkd3d_shader_dst_param dst;
        struct vkd3d_shader_constant_buffer cb;
        struct vkd3d_shader_sampler sampler;
        unsigned int count;
        unsigned int index;
        const struct vkd3d_shader_immediate_constant_buffer *icb;
        struct vkd3d_shader_raw_resource raw_resource;
        struct vkd3d_shader_structured_resource structured_resource;
        struct vkd3d_shader_tgsm_raw tgsm_raw;
        struct vkd3d_shader_tgsm_structured tgsm_structured;
        struct vkd3d_shader_thread_group_size thread_group_size;
        enum vkd3d_tessellator_domain tessellator_domain;
        enum vkd3d_shader_tessellator_output_primitive tessellator_output_primitive;
        enum vkd3d_shader_tessellator_partitioning tessellator_partitioning;
        float max_tessellation_factor;
        struct vkd3d_shader_index_range index_range;
        struct vkd3d_shader_indexable_temp indexable_temp;
        struct vkd3d_shader_function_table_pointer fp;
    } declaration;
};

static inline bool vkd3d_shader_instruction_has_texel_offset(const struct vkd3d_shader_instruction *ins)
{
    return ins->texel_offset.u || ins->texel_offset.v || ins->texel_offset.w;
}

static inline bool vkd3d_shader_register_is_input(const struct vkd3d_shader_register *reg)
{
    return reg->type == VKD3DSPR_INPUT || reg->type == VKD3DSPR_INCONTROLPOINT || reg->type == VKD3DSPR_OUTCONTROLPOINT;
}

static inline bool vkd3d_shader_register_is_output(const struct vkd3d_shader_register *reg)
{
    return reg->type == VKD3DSPR_OUTPUT || reg->type == VKD3DSPR_COLOROUT;
}

void vkd3d_shader_trace(void *data);

const char *shader_get_type_prefix(enum vkd3d_shader_type type);

struct vkd3d_shader_message_context;

void *shader_sm4_init(const DWORD *byte_code, size_t byte_code_size,
        const struct vkd3d_shader_signature *output_signature, struct vkd3d_shader_message_context *message_context);
void shader_sm4_free(void *data);
void shader_sm4_read_header(void *data, const DWORD **ptr,
        struct vkd3d_shader_version *shader_version);
void shader_sm4_read_instruction(void *data, const DWORD **ptr,
        struct vkd3d_shader_instruction *ins);
bool shader_sm4_is_end(void *data, const DWORD **ptr);

struct vkd3d_string_buffer
{
    char *buffer;
    unsigned int buffer_size;
    unsigned int content_size;
};

struct vkd3d_string_buffer_cache
{
    struct vkd3d_string_buffer **buffers;
    size_t count, max_count, capacity;
};

enum vkd3d_result vkd3d_dxbc_binary_to_text(void *data,
        const struct vkd3d_shader_compile_info *compile_info, struct vkd3d_shader_code *out);
void vkd3d_string_buffer_cleanup(struct vkd3d_string_buffer *buffer);
struct vkd3d_string_buffer *vkd3d_string_buffer_get(struct vkd3d_string_buffer_cache *list);
void vkd3d_string_buffer_init(struct vkd3d_string_buffer *buffer);
void vkd3d_string_buffer_cache_cleanup(struct vkd3d_string_buffer_cache *list);
void vkd3d_string_buffer_cache_init(struct vkd3d_string_buffer_cache *list);
int vkd3d_string_buffer_printf(struct vkd3d_string_buffer *buffer, const char *format, ...) VKD3D_PRINTF_FUNC(2, 3);
void vkd3d_string_buffer_release(struct vkd3d_string_buffer_cache *list, struct vkd3d_string_buffer *buffer);
#define vkd3d_string_buffer_trace(buffer) \
        vkd3d_string_buffer_trace_(buffer, __FUNCTION__)
void vkd3d_string_buffer_trace_(const struct vkd3d_string_buffer *buffer, const char *function);
int vkd3d_string_buffer_vprintf(struct vkd3d_string_buffer *buffer, const char *format, va_list args);

struct vkd3d_bytecode_buffer
{
    uint8_t *data;
    size_t size, capacity;
    int status;
};

size_t bytecode_put_bytes(struct vkd3d_bytecode_buffer *buffer, const void *bytes, size_t size);
void set_u32(struct vkd3d_bytecode_buffer *buffer, size_t offset, uint32_t value);

static inline size_t put_u32(struct vkd3d_bytecode_buffer *buffer, uint32_t value)
{
    return bytecode_put_bytes(buffer, &value, sizeof(value));
}

static inline size_t put_f32(struct vkd3d_bytecode_buffer *buffer, float value)
{
    return bytecode_put_bytes(buffer, &value, sizeof(value));
}

static inline size_t put_string(struct vkd3d_bytecode_buffer *buffer, const char *string)
{
    return bytecode_put_bytes(buffer, string, strlen(string) + 1);
}

static inline size_t bytecode_get_size(struct vkd3d_bytecode_buffer *buffer)
{
    return buffer->size;
}

struct vkd3d_shader_location
{
    const char *source_name;
    unsigned int line, column;
};

struct vkd3d_shader_message_context
{
    enum vkd3d_shader_log_level log_level;
    struct vkd3d_string_buffer messages;
};

void vkd3d_shader_message_context_cleanup(struct vkd3d_shader_message_context *context);
bool vkd3d_shader_message_context_copy_messages(struct vkd3d_shader_message_context *context, char **out);
void vkd3d_shader_message_context_init(struct vkd3d_shader_message_context *context,
        enum vkd3d_shader_log_level log_level);
void vkd3d_shader_message_context_trace_messages_(const struct vkd3d_shader_message_context *context,
        const char *function);
#define vkd3d_shader_message_context_trace_messages(context) \
        vkd3d_shader_message_context_trace_messages_(context, __FUNCTION__)
void vkd3d_shader_error(struct vkd3d_shader_message_context *context, const struct vkd3d_shader_location *location,
        enum vkd3d_shader_error error, const char *format, ...) VKD3D_PRINTF_FUNC(4, 5);
void vkd3d_shader_verror(struct vkd3d_shader_message_context *context, const struct vkd3d_shader_location *location,
        enum vkd3d_shader_error error, const char *format, va_list args);
void vkd3d_shader_vnote(struct vkd3d_shader_message_context *context, const struct vkd3d_shader_location *location,
        enum vkd3d_shader_log_level level, const char *format, va_list args);
void vkd3d_shader_vwarning(struct vkd3d_shader_message_context *context, const struct vkd3d_shader_location *location,
        enum vkd3d_shader_error error, const char *format, va_list args);

void vkd3d_shader_dump_shader(enum vkd3d_shader_type type, const struct vkd3d_shader_code *shader);

int shader_extract_from_dxbc(const void *dxbc, size_t dxbc_length,
        struct vkd3d_shader_message_context *message_context, const char *source_name, struct vkd3d_shader_desc *desc);
void free_shader_desc(struct vkd3d_shader_desc *desc);

int shader_parse_input_signature(const void *dxbc, size_t dxbc_length,
        struct vkd3d_shader_message_context *message_context, struct vkd3d_shader_signature *signature);

struct vkd3d_glsl_generator;

struct vkd3d_glsl_generator *vkd3d_glsl_generator_create(const struct vkd3d_shader_compile_info *compile_info,
        struct vkd3d_shader_message_context *message_context);
int vkd3d_glsl_generator_generate(void *parser_data, const uint32_t *parser_ptr,
        struct vkd3d_glsl_generator *generator,
        struct vkd3d_shader_code *out);
void vkd3d_glsl_generator_destroy(struct vkd3d_glsl_generator *generator);

struct vkd3d_dxbc_compiler;

struct vkd3d_dxbc_compiler *vkd3d_dxbc_compiler_create(const struct vkd3d_shader_version *shader_version,
        const struct vkd3d_shader_desc *shader_desc, const struct vkd3d_shader_compile_info *compile_info,
        const struct vkd3d_shader_scan_descriptor_info *scan_descriptor_info,
        struct vkd3d_shader_message_context *message_context);
int vkd3d_dxbc_compiler_handle_instruction(struct vkd3d_dxbc_compiler *compiler,
        const struct vkd3d_shader_instruction *instruction);
int vkd3d_dxbc_compiler_generate_spirv(struct vkd3d_dxbc_compiler *compiler,
        const struct vkd3d_shader_compile_info *compile_info, struct vkd3d_shader_code *spirv);
void vkd3d_dxbc_compiler_destroy(struct vkd3d_dxbc_compiler *compiler);

void vkd3d_compute_dxbc_checksum(const void *dxbc, size_t size, uint32_t checksum[4]);

int preproc_lexer_parse(const struct vkd3d_shader_compile_info *compile_info,
        struct vkd3d_shader_code *out, struct vkd3d_shader_message_context *message_context);

int hlsl_compile_shader(const struct vkd3d_shader_code *hlsl, const struct vkd3d_shader_compile_info *compile_info,
        struct vkd3d_shader_code *dxbc, struct vkd3d_shader_message_context *message_context);

static inline enum vkd3d_shader_component_type vkd3d_component_type_from_data_type(
        enum vkd3d_data_type data_type)
{
    switch (data_type)
    {
        case VKD3D_DATA_FLOAT:
        case VKD3D_DATA_UNORM:
        case VKD3D_DATA_SNORM:
            return VKD3D_SHADER_COMPONENT_FLOAT;
        case VKD3D_DATA_UINT:
            return VKD3D_SHADER_COMPONENT_UINT;
        case VKD3D_DATA_INT:
            return VKD3D_SHADER_COMPONENT_INT;
        case VKD3D_DATA_DOUBLE:
            return VKD3D_SHADER_COMPONENT_DOUBLE;
        default:
            FIXME("Unhandled data type %#x.\n", data_type);
            return VKD3D_SHADER_COMPONENT_UINT;
    }
}

static inline enum vkd3d_data_type vkd3d_data_type_from_component_type(
        enum vkd3d_shader_component_type component_type)
{
    switch (component_type)
    {
        case VKD3D_SHADER_COMPONENT_FLOAT:
            return VKD3D_DATA_FLOAT;
        case VKD3D_SHADER_COMPONENT_UINT:
            return VKD3D_DATA_UINT;
        case VKD3D_SHADER_COMPONENT_INT:
            return VKD3D_DATA_INT;
        case VKD3D_SHADER_COMPONENT_DOUBLE:
            return VKD3D_DATA_DOUBLE;
        default:
            FIXME("Unhandled component type %#x.\n", component_type);
            return VKD3D_DATA_FLOAT;
    }
}

static inline unsigned int vkd3d_write_mask_get_component_idx(DWORD write_mask)
{
    unsigned int i;

    assert(write_mask);
    for (i = 0; i < VKD3D_VEC4_SIZE; ++i)
    {
        if (write_mask & (VKD3DSP_WRITEMASK_0 << i))
            return i;
    }

    FIXME("Invalid write mask %#x.\n", write_mask);
    return 0;
}

static inline unsigned int vkd3d_write_mask_component_count(DWORD write_mask)
{
    unsigned int count = vkd3d_popcount(write_mask & VKD3DSP_WRITEMASK_ALL);
    assert(1 <= count && count <= VKD3D_VEC4_SIZE);
    return count;
}

static inline unsigned int vkd3d_write_mask_from_component_count(unsigned int component_count)
{
    assert(component_count <= VKD3D_VEC4_SIZE);
    return (VKD3DSP_WRITEMASK_0 << component_count) - 1;
}

static inline unsigned int vkd3d_write_mask_64_from_32(DWORD write_mask32)
{
    unsigned int write_mask64 = write_mask32 | (write_mask32 >> 1);
    return (write_mask64 & VKD3DSP_WRITEMASK_0) | ((write_mask64 & VKD3DSP_WRITEMASK_2) >> 1);
}

static inline unsigned int vkd3d_write_mask_32_from_64(unsigned int write_mask64)
{
    unsigned int write_mask32 = (write_mask64 | (write_mask64 << 1))
            & (VKD3DSP_WRITEMASK_0 | VKD3DSP_WRITEMASK_2);
    return write_mask32 | (write_mask32 << 1);
}

static inline unsigned int vkd3d_swizzle_get_component(DWORD swizzle,
        unsigned int idx)
{
    return (swizzle >> VKD3D_SHADER_SWIZZLE_SHIFT(idx)) & VKD3D_SHADER_SWIZZLE_MASK;
}

static inline unsigned int vkd3d_swizzle_get_component64(DWORD swizzle,
        unsigned int idx)
{
    return ((swizzle >> VKD3D_SHADER_SWIZZLE_SHIFT(idx * 2)) & VKD3D_SHADER_SWIZZLE_MASK) / 2u;
}

static inline unsigned int vkd3d_compact_swizzle(unsigned int swizzle, unsigned int write_mask)
{
    unsigned int i, compacted_swizzle = 0;

    for (i = 0; i < VKD3D_VEC4_SIZE; ++i)
    {
        if (write_mask & (VKD3DSP_WRITEMASK_0 << i))
        {
            compacted_swizzle <<= VKD3D_SHADER_SWIZZLE_SHIFT(1);
            compacted_swizzle |= vkd3d_swizzle_get_component(swizzle, i);
        }
    }

    return compacted_swizzle;
}

struct vkd3d_struct
{
    enum vkd3d_shader_structure_type type;
    const void *next;
};

#define vkd3d_find_struct(c, t) vkd3d_find_struct_(c, VKD3D_SHADER_STRUCTURE_TYPE_##t)
static inline void *vkd3d_find_struct_(const struct vkd3d_struct *chain,
        enum vkd3d_shader_structure_type type)
{
    while (chain)
    {
        if (chain->type == type)
            return (void *)chain;

        chain = chain->next;
    }

    return NULL;
}

#define VKD3D_DXBC_MAX_SOURCE_COUNT 6
#define VKD3D_DXBC_HEADER_SIZE (8 * sizeof(uint32_t))

#define MAKE_TAG(ch0, ch1, ch2, ch3) \
    ((DWORD)(ch0) | ((DWORD)(ch1) << 8) | \
    ((DWORD)(ch2) << 16) | ((DWORD)(ch3) << 24 ))
#define TAG_AON9 MAKE_TAG('A', 'o', 'n', '9')
#define TAG_DXBC MAKE_TAG('D', 'X', 'B', 'C')
#define TAG_ISG1 MAKE_TAG('I', 'S', 'G', '1')
#define TAG_ISGN MAKE_TAG('I', 'S', 'G', 'N')
#define TAG_OSG1 MAKE_TAG('O', 'S', 'G', '1')
#define TAG_OSG5 MAKE_TAG('O', 'S', 'G', '5')
#define TAG_OSGN MAKE_TAG('O', 'S', 'G', 'N')
#define TAG_PCSG MAKE_TAG('P', 'C', 'S', 'G')
#define TAG_PSG1 MAKE_TAG('P', 'S', 'G', '1')
#define TAG_RD11 MAKE_TAG('R', 'D', '1', '1')
#define TAG_RDEF MAKE_TAG('R', 'D', 'E', 'F')
#define TAG_RTS0 MAKE_TAG('R', 'T', 'S', '0')
#define TAG_SHDR MAKE_TAG('S', 'H', 'D', 'R')
#define TAG_SHEX MAKE_TAG('S', 'H', 'E', 'X')

struct dxbc_writer_section
{
    uint32_t tag;
    const uint8_t *data;
    size_t size;
};

#define DXBC_MAX_SECTION_COUNT 5

struct dxbc_writer
{
    unsigned int section_count;
    struct dxbc_writer_section sections[DXBC_MAX_SECTION_COUNT];
};

void dxbc_writer_add_section(struct dxbc_writer *dxbc, uint32_t tag, const void *data, size_t size);
void dxbc_writer_init(struct dxbc_writer *dxbc);
int dxbc_writer_write(struct dxbc_writer *dxbc, struct vkd3d_shader_code *code);

#endif  /* __VKD3D_SHADER_PRIVATE_H */