/**************************************************************************
*
* Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
* All Rights Reserved.
*
* 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, sub license, 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 NON-INFRINGEMENT.
* IN NO EVENT SHALL TUNGSTEN GRAPHICS 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 "util/u_debug.h"
#include "pipe/p_format.h"
#include "pipe/p_shader_tokens.h"
#include "tgsi_build.h"
#include "tgsi_parse.h"
/*
* header
*/
struct tgsi_header
tgsi_build_header( void )
{
struct tgsi_header header;
header.HeaderSize = 1;
header.BodySize = 0;
return header;
}
static void
header_headersize_grow( struct tgsi_header *header )
{
assert( header
->HeaderSize
< 0xFF ); assert( header
->BodySize
== 0 );
header->HeaderSize++;
}
static void
header_bodysize_grow( struct tgsi_header *header )
{
assert( header
->BodySize
< 0xFFFFFF );
header->BodySize++;
}
struct tgsi_processor
tgsi_build_processor(
unsigned type,
struct tgsi_header *header )
{
struct tgsi_processor processor;
processor.Processor = type;
processor.Padding = 0;
header_headersize_grow( header );
return processor;
}
/*
* declaration
*/
static void
declaration_grow(
struct tgsi_declaration *declaration,
struct tgsi_header *header )
{
assert( declaration
->NrTokens
< 0xFF );
declaration->NrTokens++;
header_bodysize_grow( header );
}
static struct tgsi_declaration
tgsi_default_declaration( void )
{
struct tgsi_declaration declaration;
declaration.Type = TGSI_TOKEN_TYPE_DECLARATION;
declaration.NrTokens = 1;
declaration.File = TGSI_FILE_NULL;
declaration.UsageMask = TGSI_WRITEMASK_XYZW;
declaration.Interpolate = 0;
declaration.Dimension = 0;
declaration.Semantic = 0;
declaration.Invariant = 0;
declaration.Local = 0;
declaration.Array = 0;
declaration.Padding = 0;
return declaration;
}
static struct tgsi_declaration
tgsi_build_declaration(
unsigned file,
unsigned usage_mask,
unsigned interpolate,
unsigned dimension,
unsigned semantic,
unsigned invariant,
unsigned local,
struct tgsi_header *header )
{
struct tgsi_declaration declaration;
assert( file
< TGSI_FILE_COUNT
); assert( interpolate
< TGSI_INTERPOLATE_COUNT
);
declaration = tgsi_default_declaration();
declaration.File = file;
declaration.UsageMask = usage_mask;
declaration.Interpolate = interpolate;
declaration.Dimension = dimension;
declaration.Semantic = semantic;
declaration.Invariant = invariant;
declaration.Local = local;
header_bodysize_grow( header );
return declaration;
}
static struct tgsi_declaration_range
tgsi_default_declaration_range( void )
{
struct tgsi_declaration_range dr;
dr.First = 0;
dr.Last = 0;
return dr;
}
static struct tgsi_declaration_range
tgsi_build_declaration_range(
unsigned first,
unsigned last,
struct tgsi_declaration *declaration,
struct tgsi_header *header )
{
struct tgsi_declaration_range declaration_range;
declaration_range.First = first;
declaration_range.Last = last;
declaration_grow( declaration, header );
return declaration_range;
}
static struct tgsi_declaration_dimension
tgsi_build_declaration_dimension(unsigned index_2d,
struct tgsi_declaration *declaration,
struct tgsi_header *header)
{
struct tgsi_declaration_dimension dd;
dd.Index2D = index_2d;
dd.Padding = 0;
declaration_grow(declaration, header);
return dd;
}
static struct tgsi_declaration_interp
tgsi_default_declaration_interp( void )
{
struct tgsi_declaration_interp di;
di.Interpolate = TGSI_INTERPOLATE_CONSTANT;
di.Centroid = 0;
di.CylindricalWrap = 0;
di.Padding = 0;
return di;
}
static struct tgsi_declaration_interp
tgsi_build_declaration_interp(unsigned interpolate,
unsigned centroid,
unsigned cylindrical_wrap,
struct tgsi_declaration *declaration,
struct tgsi_header *header)
{
struct tgsi_declaration_interp di;
di.Interpolate = interpolate;
di.Centroid = centroid;
di.CylindricalWrap = cylindrical_wrap;
di.Padding = 0;
declaration_grow(declaration, header);
return di;
}
static struct tgsi_declaration_semantic
tgsi_default_declaration_semantic( void )
{
struct tgsi_declaration_semantic ds;
ds.Name = TGSI_SEMANTIC_POSITION;
ds.Index = 0;
ds.Padding = 0;
return ds;
}
static struct tgsi_declaration_semantic
tgsi_build_declaration_semantic(
unsigned semantic_name,
unsigned semantic_index,
struct tgsi_declaration *declaration,
struct tgsi_header *header )
{
struct tgsi_declaration_semantic ds;
assert( semantic_name
<= TGSI_SEMANTIC_COUNT
); assert( semantic_index
<= 0xFFFF );
ds.Name = semantic_name;
ds.Index = semantic_index;
ds.Padding = 0;
declaration_grow( declaration, header );
return ds;
}
static struct tgsi_declaration_resource
tgsi_default_declaration_resource(void)
{
struct tgsi_declaration_resource dr;
dr.Resource = TGSI_TEXTURE_BUFFER;
dr.Raw = 0;
dr.Writable = 0;
dr.Padding = 0;
return dr;
}
static struct tgsi_declaration_resource
tgsi_build_declaration_resource(unsigned texture,
unsigned raw,
unsigned writable,
struct tgsi_declaration *declaration,
struct tgsi_header *header)
{
struct tgsi_declaration_resource dr;
dr = tgsi_default_declaration_resource();
dr.Resource = texture;
dr.Raw = raw;
dr.Writable = writable;
declaration_grow(declaration, header);
return dr;
}
static struct tgsi_declaration_sampler_view
tgsi_default_declaration_sampler_view(void)
{
struct tgsi_declaration_sampler_view dsv;
dsv.Resource = TGSI_TEXTURE_BUFFER;
dsv.ReturnTypeX = PIPE_TYPE_UNORM;
dsv.ReturnTypeY = PIPE_TYPE_UNORM;
dsv.ReturnTypeZ = PIPE_TYPE_UNORM;
dsv.ReturnTypeW = PIPE_TYPE_UNORM;
return dsv;
}
static struct tgsi_declaration_sampler_view
tgsi_build_declaration_sampler_view(unsigned texture,
unsigned return_type_x,
unsigned return_type_y,
unsigned return_type_z,
unsigned return_type_w,
struct tgsi_declaration *declaration,
struct tgsi_header *header)
{
struct tgsi_declaration_sampler_view dsv;
dsv = tgsi_default_declaration_sampler_view();
dsv.Resource = texture;
dsv.ReturnTypeX = return_type_x;
dsv.ReturnTypeY = return_type_y;
dsv.ReturnTypeZ = return_type_z;
dsv.ReturnTypeW = return_type_w;
declaration_grow(declaration, header);
return dsv;
}
static struct tgsi_declaration_array
tgsi_default_declaration_array( void )
{
struct tgsi_declaration_array a;
a.ArrayID = 0;
a.Padding = 0;
return a;
}
struct tgsi_full_declaration
tgsi_default_full_declaration( void )
{
struct tgsi_full_declaration full_declaration;
full_declaration.Declaration = tgsi_default_declaration();
full_declaration.Range = tgsi_default_declaration_range();
full_declaration.Semantic = tgsi_default_declaration_semantic();
full_declaration.Interp = tgsi_default_declaration_interp();
full_declaration.Resource = tgsi_default_declaration_resource();
full_declaration.SamplerView = tgsi_default_declaration_sampler_view();
full_declaration.Array = tgsi_default_declaration_array();
return full_declaration;
}
unsigned
tgsi_build_full_declaration(
const struct tgsi_full_declaration *full_decl,
struct tgsi_token *tokens,
struct tgsi_header *header,
unsigned maxsize )
{
unsigned size = 0;
struct tgsi_declaration *declaration;
struct tgsi_declaration_range *dr;
if( maxsize <= size )
return 0;
declaration = (struct tgsi_declaration *) &tokens[size];
size++;
*declaration = tgsi_build_declaration(
full_decl->Declaration.File,
full_decl->Declaration.UsageMask,
full_decl->Declaration.Interpolate,
full_decl->Declaration.Dimension,
full_decl->Declaration.Semantic,
full_decl->Declaration.Invariant,
full_decl->Declaration.Local,
header );
if (maxsize <= size)
return 0;
dr = (struct tgsi_declaration_range *) &tokens[size];
size++;
*dr = tgsi_build_declaration_range(
full_decl->Range.First,
full_decl->Range.Last,
declaration,
header );
if (full_decl->Declaration.Dimension) {
struct tgsi_declaration_dimension *dd;
if (maxsize <= size) {
return 0;
}
dd = (struct tgsi_declaration_dimension *)&tokens[size];
size++;
*dd = tgsi_build_declaration_dimension(full_decl->Dim.Index2D,
declaration,
header);
}
if (full_decl->Declaration.Interpolate) {
struct tgsi_declaration_interp *di;
if (maxsize <= size) {
return 0;
}
di = (struct tgsi_declaration_interp *)&tokens[size];
size++;
*di = tgsi_build_declaration_interp(full_decl->Interp.Interpolate,
full_decl->Interp.Centroid,
full_decl->Interp.CylindricalWrap,
declaration,
header);
}
if( full_decl->Declaration.Semantic ) {
struct tgsi_declaration_semantic *ds;
if( maxsize <= size )
return 0;
ds = (struct tgsi_declaration_semantic *) &tokens[size];
size++;
*ds = tgsi_build_declaration_semantic(
full_decl->Semantic.Name,
full_decl->Semantic.Index,
declaration,
header );
}
if (full_decl->Declaration.File == TGSI_FILE_RESOURCE) {
struct tgsi_declaration_resource *dr;
if (maxsize <= size) {
return 0;
}
dr = (struct tgsi_declaration_resource *)&tokens[size];
size++;
*dr = tgsi_build_declaration_resource(full_decl->Resource.Resource,
full_decl->Resource.Raw,
full_decl->Resource.Writable,
declaration,
header);
}
if (full_decl->Declaration.File == TGSI_FILE_SAMPLER_VIEW) {
struct tgsi_declaration_sampler_view *dsv;
if (maxsize <= size) {
return 0;
}
dsv = (struct tgsi_declaration_sampler_view *)&tokens[size];
size++;
*dsv = tgsi_build_declaration_sampler_view(
full_decl->SamplerView.Resource,
full_decl->SamplerView.ReturnTypeX,
full_decl->SamplerView.ReturnTypeY,
full_decl->SamplerView.ReturnTypeZ,
full_decl->SamplerView.ReturnTypeW,
declaration,
header);
}
return size;
}
/*
* immediate
*/
static struct tgsi_immediate
tgsi_default_immediate( void )
{
struct tgsi_immediate immediate;
immediate.Type = TGSI_TOKEN_TYPE_IMMEDIATE;
immediate.NrTokens = 1;
immediate.DataType = TGSI_IMM_FLOAT32;
immediate.Padding = 0;
return immediate;
}
static struct tgsi_immediate
tgsi_build_immediate(
struct tgsi_header *header,
unsigned type )
{
struct tgsi_immediate immediate;
immediate = tgsi_default_immediate();
immediate.DataType = type;
header_bodysize_grow( header );
return immediate;
}
struct tgsi_full_immediate
tgsi_default_full_immediate( void )
{
struct tgsi_full_immediate fullimm;
fullimm.Immediate = tgsi_default_immediate();
fullimm.u[0].Float = 0.0f;
fullimm.u[1].Float = 0.0f;
fullimm.u[2].Float = 0.0f;
fullimm.u[3].Float = 0.0f;
return fullimm;
}
static void
immediate_grow(
struct tgsi_immediate *immediate,
struct tgsi_header *header )
{
assert( immediate
->NrTokens
< 0xFF );
immediate->NrTokens++;
header_bodysize_grow( header );
}
unsigned
tgsi_build_full_immediate(
const struct tgsi_full_immediate *full_imm,
struct tgsi_token *tokens,
struct tgsi_header *header,
unsigned maxsize )
{
unsigned size = 0, i;
struct tgsi_immediate *immediate;
if( maxsize <= size )
return 0;
immediate = (struct tgsi_immediate *) &tokens[size];
size++;
*immediate = tgsi_build_immediate( header, full_imm->Immediate.DataType );
assert( full_imm
->Immediate.
NrTokens <= 4 + 1 );
for( i = 0; i < full_imm->Immediate.NrTokens - 1; i++ ) {
union tgsi_immediate_data *data;
if( maxsize <= size )
return 0;
data = (union tgsi_immediate_data *) &tokens[size];
*data = full_imm->u[i];
immediate_grow( immediate, header );
size++;
}
return size;
}
/*
* instruction
*/
struct tgsi_instruction
tgsi_default_instruction( void )
{
struct tgsi_instruction instruction;
instruction.Type = TGSI_TOKEN_TYPE_INSTRUCTION;
instruction.NrTokens = 0;
instruction.Opcode = TGSI_OPCODE_MOV;
instruction.Saturate = TGSI_SAT_NONE;
instruction.Predicate = 0;
instruction.NumDstRegs = 1;
instruction.NumSrcRegs = 1;
instruction.Label = 0;
instruction.Texture = 0;
instruction.Padding = 0;
return instruction;
}
static struct tgsi_instruction
tgsi_build_instruction(unsigned opcode,
unsigned saturate,
unsigned predicate,
unsigned num_dst_regs,
unsigned num_src_regs,
struct tgsi_header *header)
{
struct tgsi_instruction instruction;
assert (opcode
<= TGSI_OPCODE_LAST
); assert (saturate
<= TGSI_SAT_MINUS_PLUS_ONE
);
instruction = tgsi_default_instruction();
instruction.Opcode = opcode;
instruction.Saturate = saturate;
instruction.Predicate = predicate;
instruction.NumDstRegs = num_dst_regs;
instruction.NumSrcRegs = num_src_regs;
header_bodysize_grow( header );
return instruction;
}
static void
instruction_grow(
struct tgsi_instruction *instruction,
struct tgsi_header *header )
{
assert (instruction
->NrTokens
< 0xFF);
instruction->NrTokens++;
header_bodysize_grow( header );
}
struct tgsi_instruction_predicate
tgsi_default_instruction_predicate(void)
{
struct tgsi_instruction_predicate instruction_predicate;
instruction_predicate.SwizzleX = TGSI_SWIZZLE_X;
instruction_predicate.SwizzleY = TGSI_SWIZZLE_Y;
instruction_predicate.SwizzleZ = TGSI_SWIZZLE_Z;
instruction_predicate.SwizzleW = TGSI_SWIZZLE_W;
instruction_predicate.Negate = 0;
instruction_predicate.Index = 0;
instruction_predicate.Padding = 0;
return instruction_predicate;
}
static struct tgsi_instruction_predicate
tgsi_build_instruction_predicate(int index,
unsigned negate,
unsigned swizzleX,
unsigned swizzleY,
unsigned swizzleZ,
unsigned swizzleW,
struct tgsi_instruction *instruction,
struct tgsi_header *header)
{
struct tgsi_instruction_predicate instruction_predicate;
instruction_predicate = tgsi_default_instruction_predicate();
instruction_predicate.SwizzleX = swizzleX;
instruction_predicate.SwizzleY = swizzleY;
instruction_predicate.SwizzleZ = swizzleZ;
instruction_predicate.SwizzleW = swizzleW;
instruction_predicate.Negate = negate;
instruction_predicate.Index = index;
instruction_grow(instruction, header);
return instruction_predicate;
}
static struct tgsi_instruction_label
tgsi_default_instruction_label( void )
{
struct tgsi_instruction_label instruction_label;
instruction_label.Label = 0;
instruction_label.Padding = 0;
return instruction_label;
}
static struct tgsi_instruction_label
tgsi_build_instruction_label(
unsigned label,
struct tgsi_token *prev_token,
struct tgsi_instruction *instruction,
struct tgsi_header *header )
{
struct tgsi_instruction_label instruction_label;
instruction_label.Label = label;
instruction_label.Padding = 0;
instruction->Label = 1;
instruction_grow( instruction, header );
return instruction_label;
}
static struct tgsi_instruction_texture
tgsi_default_instruction_texture( void )
{
struct tgsi_instruction_texture instruction_texture;
instruction_texture.Texture = TGSI_TEXTURE_UNKNOWN;
instruction_texture.NumOffsets = 0;
instruction_texture.Padding = 0;
return instruction_texture;
}
static struct tgsi_instruction_texture
tgsi_build_instruction_texture(
unsigned texture,
unsigned num_offsets,
struct tgsi_token *prev_token,
struct tgsi_instruction *instruction,
struct tgsi_header *header )
{
struct tgsi_instruction_texture instruction_texture;
instruction_texture.Texture = texture;
instruction_texture.NumOffsets = num_offsets;
instruction_texture.Padding = 0;
instruction->Texture = 1;
instruction_grow( instruction, header );
return instruction_texture;
}
static struct tgsi_texture_offset
tgsi_default_texture_offset( void )
{
struct tgsi_texture_offset texture_offset;
texture_offset.Index = 0;
texture_offset.File = 0;
texture_offset.SwizzleX = 0;
texture_offset.SwizzleY = 0;
texture_offset.SwizzleZ = 0;
texture_offset.Padding = 0;
return texture_offset;
}
static struct tgsi_texture_offset
tgsi_build_texture_offset(
int index, int file, int swizzle_x, int swizzle_y, int swizzle_z,
struct tgsi_token *prev_token,
struct tgsi_instruction *instruction,
struct tgsi_header *header )
{
struct tgsi_texture_offset texture_offset;
texture_offset.Index = index;
texture_offset.File = file;
texture_offset.SwizzleX = swizzle_x;
texture_offset.SwizzleY = swizzle_y;
texture_offset.SwizzleZ = swizzle_z;
texture_offset.Padding = 0;
instruction_grow( instruction, header );
return texture_offset;
}
static struct tgsi_src_register
tgsi_default_src_register( void )
{
struct tgsi_src_register src_register;
src_register.File = TGSI_FILE_NULL;
src_register.SwizzleX = TGSI_SWIZZLE_X;
src_register.SwizzleY = TGSI_SWIZZLE_Y;
src_register.SwizzleZ = TGSI_SWIZZLE_Z;
src_register.SwizzleW = TGSI_SWIZZLE_W;
src_register.Negate = 0;
src_register.Absolute = 0;
src_register.Indirect = 0;
src_register.Dimension = 0;
src_register.Index = 0;
return src_register;
}
static struct tgsi_src_register
tgsi_build_src_register(
unsigned file,
unsigned swizzle_x,
unsigned swizzle_y,
unsigned swizzle_z,
unsigned swizzle_w,
unsigned negate,
unsigned absolute,
unsigned indirect,
unsigned dimension,
int index,
struct tgsi_instruction *instruction,
struct tgsi_header *header )
{
struct tgsi_src_register src_register;
assert( file
< TGSI_FILE_COUNT
); assert( swizzle_x
<= TGSI_SWIZZLE_W
); assert( swizzle_y
<= TGSI_SWIZZLE_W
); assert( swizzle_z
<= TGSI_SWIZZLE_W
); assert( swizzle_w
<= TGSI_SWIZZLE_W
); assert( index
>= -0x8000 && index
<= 0x7FFF );
src_register.File = file;
src_register.SwizzleX = swizzle_x;
src_register.SwizzleY = swizzle_y;
src_register.SwizzleZ = swizzle_z;
src_register.SwizzleW = swizzle_w;
src_register.Negate = negate;
src_register.Absolute = absolute;
src_register.Indirect = indirect;
src_register.Dimension = dimension;
src_register.Index = index;
instruction_grow( instruction, header );
return src_register;
}
static struct tgsi_ind_register
tgsi_default_ind_register( void )
{
struct tgsi_ind_register ind_register;
ind_register.File = TGSI_FILE_NULL;
ind_register.Index = 0;
ind_register.Swizzle = TGSI_SWIZZLE_X;
ind_register.ArrayID = 0;
return ind_register;
}
static struct tgsi_ind_register
tgsi_build_ind_register(
unsigned file,
unsigned swizzle,
unsigned arrayid,
int index,
struct tgsi_instruction *instruction,
struct tgsi_header *header )
{
struct tgsi_ind_register ind_register;
assert( file
< TGSI_FILE_COUNT
); assert( swizzle
<= TGSI_SWIZZLE_W
); assert( index
>= -0x8000 && index
<= 0x7FFF );
ind_register.File = file;
ind_register.Swizzle = swizzle;
ind_register.Index = index;
ind_register.ArrayID = arrayid;
instruction_grow( instruction, header );
return ind_register;
}
static struct tgsi_dimension
tgsi_default_dimension( void )
{
struct tgsi_dimension dimension;
dimension.Indirect = 0;
dimension.Dimension = 0;
dimension.Padding = 0;
dimension.Index = 0;
return dimension;
}
static struct tgsi_full_src_register
tgsi_default_full_src_register( void )
{
struct tgsi_full_src_register full_src_register;
full_src_register.Register = tgsi_default_src_register();
full_src_register.Indirect = tgsi_default_ind_register();
full_src_register.Dimension = tgsi_default_dimension();
full_src_register.DimIndirect = tgsi_default_ind_register();
return full_src_register;
}
static struct tgsi_dimension
tgsi_build_dimension(
unsigned indirect,
unsigned index,
struct tgsi_instruction *instruction,
struct tgsi_header *header )
{
struct tgsi_dimension dimension;
dimension.Indirect = indirect;
dimension.Dimension = 0;
dimension.Padding = 0;
dimension.Index = index;
instruction_grow( instruction, header );
return dimension;
}
static struct tgsi_dst_register
tgsi_default_dst_register( void )
{
struct tgsi_dst_register dst_register;
dst_register.File = TGSI_FILE_NULL;
dst_register.WriteMask = TGSI_WRITEMASK_XYZW;
dst_register.Indirect = 0;
dst_register.Dimension = 0;
dst_register.Index = 0;
dst_register.Padding = 0;
return dst_register;
}
static struct tgsi_dst_register
tgsi_build_dst_register(
unsigned file,
unsigned mask,
unsigned indirect,
unsigned dimension,
int index,
struct tgsi_instruction *instruction,
struct tgsi_header *header )
{
struct tgsi_dst_register dst_register;
assert( file
< TGSI_FILE_COUNT
); assert( mask
<= TGSI_WRITEMASK_XYZW
); assert( index
>= -32768 && index
<= 32767 );
dst_register.File = file;
dst_register.WriteMask = mask;
dst_register.Indirect = indirect;
dst_register.Dimension = dimension;
dst_register.Index = index;
dst_register.Padding = 0;
instruction_grow( instruction, header );
return dst_register;
}
static struct tgsi_full_dst_register
tgsi_default_full_dst_register( void )
{
struct tgsi_full_dst_register full_dst_register;
full_dst_register.Register = tgsi_default_dst_register();
full_dst_register.Indirect = tgsi_default_ind_register();
full_dst_register.Dimension = tgsi_default_dimension();
full_dst_register.DimIndirect = tgsi_default_ind_register();
return full_dst_register;
}
struct tgsi_full_instruction
tgsi_default_full_instruction( void )
{
struct tgsi_full_instruction full_instruction;
unsigned i;
full_instruction.Instruction = tgsi_default_instruction();
full_instruction.Predicate = tgsi_default_instruction_predicate();
full_instruction.Label = tgsi_default_instruction_label();
full_instruction.Texture = tgsi_default_instruction_texture();
for( i = 0; i < TGSI_FULL_MAX_TEX_OFFSETS; i++ ) {
full_instruction.TexOffsets[i] = tgsi_default_texture_offset();
}
for( i = 0; i < TGSI_FULL_MAX_DST_REGISTERS; i++ ) {
full_instruction.Dst[i] = tgsi_default_full_dst_register();
}
for( i = 0; i < TGSI_FULL_MAX_SRC_REGISTERS; i++ ) {
full_instruction.Src[i] = tgsi_default_full_src_register();
}
return full_instruction;
}
unsigned
tgsi_build_full_instruction(
const struct tgsi_full_instruction *full_inst,
struct tgsi_token *tokens,
struct tgsi_header *header,
unsigned maxsize )
{
unsigned size = 0;
unsigned i;
struct tgsi_instruction *instruction;
struct tgsi_token *prev_token;
if( maxsize <= size )
return 0;
instruction = (struct tgsi_instruction *) &tokens[size];
size++;
*instruction = tgsi_build_instruction(full_inst->Instruction.Opcode,
full_inst->Instruction.Saturate,
full_inst->Instruction.Predicate,
full_inst->Instruction.NumDstRegs,
full_inst->Instruction.NumSrcRegs,
header);
prev_token = (struct tgsi_token *) instruction;
if (full_inst->Instruction.Predicate) {
struct tgsi_instruction_predicate *instruction_predicate;
if (maxsize <= size) {
return 0;
}
instruction_predicate = (struct tgsi_instruction_predicate *)&tokens[size];
size++;
*instruction_predicate =
tgsi_build_instruction_predicate(full_inst->Predicate.Index,
full_inst->Predicate.Negate,
full_inst->Predicate.SwizzleX,
full_inst->Predicate.SwizzleY,
full_inst->Predicate.SwizzleZ,
full_inst->Predicate.SwizzleW,
instruction,
header);
}
if (full_inst->Instruction.Label) {
struct tgsi_instruction_label *instruction_label;
if( maxsize <= size )
return 0;
instruction_label =
(struct tgsi_instruction_label *) &tokens[size];
size++;
*instruction_label = tgsi_build_instruction_label(
full_inst->Label.Label,
prev_token,
instruction,
header );
prev_token = (struct tgsi_token *) instruction_label;
}
if (full_inst->Instruction.Texture) {
struct tgsi_instruction_texture *instruction_texture;
if( maxsize <= size )
return 0;
instruction_texture =
(struct tgsi_instruction_texture *) &tokens[size];
size++;
*instruction_texture = tgsi_build_instruction_texture(
full_inst->Texture.Texture,
full_inst->Texture.NumOffsets,
prev_token,
instruction,
header );
prev_token = (struct tgsi_token *) instruction_texture;
for (i = 0; i < full_inst->Texture.NumOffsets; i++) {
struct tgsi_texture_offset *texture_offset;
if ( maxsize <= size )
return 0;
texture_offset = (struct tgsi_texture_offset *)&tokens[size];
size++;
*texture_offset = tgsi_build_texture_offset(
full_inst->TexOffsets[i].Index,
full_inst->TexOffsets[i].File,
full_inst->TexOffsets[i].SwizzleX,
full_inst->TexOffsets[i].SwizzleY,
full_inst->TexOffsets[i].SwizzleZ,
prev_token,
instruction,
header);
prev_token = (struct tgsi_token *) texture_offset;
}
}
for( i = 0; i < full_inst->Instruction.NumDstRegs; i++ ) {
const struct tgsi_full_dst_register *reg = &full_inst->Dst[i];
struct tgsi_dst_register *dst_register;
if( maxsize <= size )
return 0;
dst_register = (struct tgsi_dst_register *) &tokens[size];
size++;
*dst_register = tgsi_build_dst_register(
reg->Register.File,
reg->Register.WriteMask,
reg->Register.Indirect,
reg->Register.Dimension,
reg->Register.Index,
instruction,
header );
if( reg->Register.Indirect ) {
struct tgsi_ind_register *ind;
if( maxsize <= size )
return 0;
ind = (struct tgsi_ind_register *) &tokens[size];
size++;
*ind = tgsi_build_ind_register(
reg->Indirect.File,
reg->Indirect.Swizzle,
reg->Indirect.Index,
reg->Indirect.ArrayID,
instruction,
header );
}
if( reg->Register.Dimension ) {
struct tgsi_dimension *dim;
assert( !reg
->Dimension.
Dimension );
if( maxsize <= size )
return 0;
dim = (struct tgsi_dimension *) &tokens[size];
size++;
*dim = tgsi_build_dimension(
reg->Dimension.Indirect,
reg->Dimension.Index,
instruction,
header );
if( reg->Dimension.Indirect ) {
struct tgsi_ind_register *ind;
if( maxsize <= size )
return 0;
ind = (struct tgsi_ind_register *) &tokens[size];
size++;
*ind = tgsi_build_ind_register(
reg->DimIndirect.File,
reg->DimIndirect.Swizzle,
reg->DimIndirect.Index,
reg->DimIndirect.ArrayID,
instruction,
header );
}
}
}
for( i = 0; i < full_inst->Instruction.NumSrcRegs; i++ ) {
const struct tgsi_full_src_register *reg = &full_inst->Src[i];
struct tgsi_src_register *src_register;
if( maxsize <= size )
return 0;
src_register = (struct tgsi_src_register *) &tokens[size];
size++;
*src_register = tgsi_build_src_register(
reg->Register.File,
reg->Register.SwizzleX,
reg->Register.SwizzleY,
reg->Register.SwizzleZ,
reg->Register.SwizzleW,
reg->Register.Negate,
reg->Register.Absolute,
reg->Register.Indirect,
reg->Register.Dimension,
reg->Register.Index,
instruction,
header );
if( reg->Register.Indirect ) {
struct tgsi_ind_register *ind;
if( maxsize <= size )
return 0;
ind = (struct tgsi_ind_register *) &tokens[size];
size++;
*ind = tgsi_build_ind_register(
reg->Indirect.File,
reg->Indirect.Swizzle,
reg->Indirect.Index,
reg->Indirect.ArrayID,
instruction,
header );
}
if( reg->Register.Dimension ) {
struct tgsi_dimension *dim;
assert( !reg
->Dimension.
Dimension );
if( maxsize <= size )
return 0;
dim = (struct tgsi_dimension *) &tokens[size];
size++;
*dim = tgsi_build_dimension(
reg->Dimension.Indirect,
reg->Dimension.Index,
instruction,
header );
if( reg->Dimension.Indirect ) {
struct tgsi_ind_register *ind;
if( maxsize <= size )
return 0;
ind = (struct tgsi_ind_register *) &tokens[size];
size++;
*ind = tgsi_build_ind_register(
reg->DimIndirect.File,
reg->DimIndirect.Swizzle,
reg->DimIndirect.Index,
reg->DimIndirect.ArrayID,
instruction,
header );
}
}
}
return size;
}
static struct tgsi_property
tgsi_default_property( void )
{
struct tgsi_property property;
property.Type = TGSI_TOKEN_TYPE_PROPERTY;
property.NrTokens = 1;
property.PropertyName = TGSI_PROPERTY_GS_INPUT_PRIM;
property.Padding = 0;
return property;
}
static struct tgsi_property
tgsi_build_property(unsigned property_name,
struct tgsi_header *header)
{
struct tgsi_property property;
property = tgsi_default_property();
property.PropertyName = property_name;
header_bodysize_grow( header );
return property;
}
struct tgsi_full_property
tgsi_default_full_property( void )
{
struct tgsi_full_property full_property;
full_property.Property = tgsi_default_property();
sizeof(struct tgsi_property_data) * 8);
return full_property;
}
static void
property_grow(
struct tgsi_property *property,
struct tgsi_header *header )
{
assert( property
->NrTokens
< 0xFF );
property->NrTokens++;
header_bodysize_grow( header );
}
static struct tgsi_property_data
tgsi_build_property_data(
unsigned value,
struct tgsi_property *property,
struct tgsi_header *header )
{
struct tgsi_property_data property_data;
property_data.Data = value;
property_grow( property, header );
return property_data;
}
unsigned
tgsi_build_full_property(
const struct tgsi_full_property *full_prop,
struct tgsi_token *tokens,
struct tgsi_header *header,
unsigned maxsize )
{
unsigned size = 0, i;
struct tgsi_property *property;
if( maxsize <= size )
return 0;
property = (struct tgsi_property *) &tokens[size];
size++;
*property = tgsi_build_property(
full_prop->Property.PropertyName,
header );
assert( full_prop
->Property.
NrTokens <= 8 + 1 );
for( i = 0; i < full_prop->Property.NrTokens - 1; i++ ) {
struct tgsi_property_data *data;
if( maxsize <= size )
return 0;
data = (struct tgsi_property_data *) &tokens[size];
size++;
*data = tgsi_build_property_data(
full_prop->u[i].Data,
property,
header );
}
return size;
}