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tgsi: break gigantic tgsi_scan_shader() function into pieces 

New functions for examining instructions, declarations, etc.

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
tags/11.2-branchpoint
Brian Paul 10 years ago
parent
3c3ef69696
commit
37eb3f0400
1 changed files with 375 additions and 364 deletions
Split View Show Diff Stats
  1. 375
    364
      src/gallium/auxiliary/tgsi/tgsi_scan.c

+ 375
- 364
src/gallium/auxiliary/tgsi/tgsi_scan.c View File

@@ -44,6 +44,375 @@



static void
scan_instruction(struct tgsi_shader_info *info,
const struct tgsi_full_instruction *fullinst,
unsigned *current_depth)
{
unsigned i;

assert(fullinst->Instruction.Opcode < TGSI_OPCODE_LAST);
info->opcode_count[fullinst->Instruction.Opcode]++;

switch (fullinst->Instruction.Opcode) {
case TGSI_OPCODE_IF:
case TGSI_OPCODE_UIF:
case TGSI_OPCODE_BGNLOOP:
(*current_depth)++;
info->max_depth = MAX2(info->max_depth, *current_depth);
break;
case TGSI_OPCODE_ENDIF:
case TGSI_OPCODE_ENDLOOP:
(*current_depth)--;
break;
default:
break;
}

if (fullinst->Instruction.Opcode == TGSI_OPCODE_INTERP_CENTROID ||
fullinst->Instruction.Opcode == TGSI_OPCODE_INTERP_OFFSET ||
fullinst->Instruction.Opcode == TGSI_OPCODE_INTERP_SAMPLE) {
const struct tgsi_full_src_register *src0 = &fullinst->Src[0];
unsigned input;

if (src0->Register.Indirect && src0->Indirect.ArrayID)
input = info->input_array_first[src0->Indirect.ArrayID];
else
input = src0->Register.Index;

/* For the INTERP opcodes, the interpolation is always
* PERSPECTIVE unless LINEAR is specified.
*/
switch (info->input_interpolate[input]) {
case TGSI_INTERPOLATE_COLOR:
case TGSI_INTERPOLATE_CONSTANT:
case TGSI_INTERPOLATE_PERSPECTIVE:
switch (fullinst->Instruction.Opcode) {
case TGSI_OPCODE_INTERP_CENTROID:
info->uses_persp_opcode_interp_centroid = true;
break;
case TGSI_OPCODE_INTERP_OFFSET:
info->uses_persp_opcode_interp_offset = true;
break;
case TGSI_OPCODE_INTERP_SAMPLE:
info->uses_persp_opcode_interp_sample = true;
break;
}
break;

case TGSI_INTERPOLATE_LINEAR:
switch (fullinst->Instruction.Opcode) {
case TGSI_OPCODE_INTERP_CENTROID:
info->uses_linear_opcode_interp_centroid = true;
break;
case TGSI_OPCODE_INTERP_OFFSET:
info->uses_linear_opcode_interp_offset = true;
break;
case TGSI_OPCODE_INTERP_SAMPLE:
info->uses_linear_opcode_interp_sample = true;
break;
}
break;
}
}

if (fullinst->Instruction.Opcode >= TGSI_OPCODE_F2D &&
fullinst->Instruction.Opcode <= TGSI_OPCODE_DSSG)
info->uses_doubles = true;

for (i = 0; i < fullinst->Instruction.NumSrcRegs; i++) {
const struct tgsi_full_src_register *src = &fullinst->Src[i];
int ind = src->Register.Index;

/* Mark which inputs are effectively used */
if (src->Register.File == TGSI_FILE_INPUT) {
unsigned usage_mask;
usage_mask = tgsi_util_get_inst_usage_mask(fullinst, i);
if (src->Register.Indirect) {
for (ind = 0; ind < info->num_inputs; ++ind) {
info->input_usage_mask[ind] |= usage_mask;
}
} else {
assert(ind >= 0);
assert(ind < PIPE_MAX_SHADER_INPUTS);
info->input_usage_mask[ind] |= usage_mask;
}

if (info->processor == TGSI_PROCESSOR_FRAGMENT &&
!src->Register.Indirect) {
unsigned name =
info->input_semantic_name[src->Register.Index];
unsigned index =
info->input_semantic_index[src->Register.Index];

if (name == TGSI_SEMANTIC_POSITION &&
(src->Register.SwizzleX == TGSI_SWIZZLE_Z ||
src->Register.SwizzleY == TGSI_SWIZZLE_Z ||
src->Register.SwizzleZ == TGSI_SWIZZLE_Z ||
src->Register.SwizzleW == TGSI_SWIZZLE_Z))
info->reads_z = TRUE;

if (name == TGSI_SEMANTIC_COLOR) {
unsigned mask =
(1 << src->Register.SwizzleX) |
(1 << src->Register.SwizzleY) |
(1 << src->Register.SwizzleZ) |
(1 << src->Register.SwizzleW);

info->colors_read |= mask << (index * 4);
}
}
}

/* check for indirect register reads */
if (src->Register.Indirect) {
info->indirect_files |= (1 << src->Register.File);
info->indirect_files_read |= (1 << src->Register.File);
}

/* MSAA samplers */
if (src->Register.File == TGSI_FILE_SAMPLER) {
assert(fullinst->Instruction.Texture);
assert(src->Register.Index < Elements(info->is_msaa_sampler));

if (fullinst->Instruction.Texture &&
(fullinst->Texture.Texture == TGSI_TEXTURE_2D_MSAA ||
fullinst->Texture.Texture == TGSI_TEXTURE_2D_ARRAY_MSAA)) {
info->is_msaa_sampler[src->Register.Index] = TRUE;
}
}
}

/* check for indirect register writes */
for (i = 0; i < fullinst->Instruction.NumDstRegs; i++) {
const struct tgsi_full_dst_register *dst = &fullinst->Dst[i];
if (dst->Register.Indirect) {
info->indirect_files |= (1 << dst->Register.File);
info->indirect_files_written |= (1 << dst->Register.File);
}
}

info->num_instructions++;
}

static void
scan_declaration(struct tgsi_shader_info *info,
const struct tgsi_full_declaration *fulldecl)
{
const uint file = fulldecl->Declaration.File;
const unsigned procType = info->processor;
uint reg;

if (fulldecl->Declaration.Array) {
unsigned array_id = fulldecl->Array.ArrayID;

switch (file) {
case TGSI_FILE_INPUT:
assert(array_id < ARRAY_SIZE(info->input_array_first));
info->input_array_first[array_id] = fulldecl->Range.First;
info->input_array_last[array_id] = fulldecl->Range.Last;
break;
case TGSI_FILE_OUTPUT:
assert(array_id < ARRAY_SIZE(info->output_array_first));
info->output_array_first[array_id] = fulldecl->Range.First;
info->output_array_last[array_id] = fulldecl->Range.Last;
break;
}
info->array_max[file] = MAX2(info->array_max[file], array_id);
}

for (reg = fulldecl->Range.First; reg <= fulldecl->Range.Last; reg++) {
unsigned semName = fulldecl->Semantic.Name;
unsigned semIndex = fulldecl->Semantic.Index +
(reg - fulldecl->Range.First);

/* only first 32 regs will appear in this bitfield */
info->file_mask[file] |= (1 << reg);
info->file_count[file]++;
info->file_max[file] = MAX2(info->file_max[file], (int)reg);

if (file == TGSI_FILE_CONSTANT) {
int buffer = 0;

if (fulldecl->Declaration.Dimension)
buffer = fulldecl->Dim.Index2D;

info->const_file_max[buffer] =
MAX2(info->const_file_max[buffer], (int)reg);
}
else if (file == TGSI_FILE_INPUT) {
info->input_semantic_name[reg] = (ubyte) semName;
info->input_semantic_index[reg] = (ubyte) semIndex;
info->input_interpolate[reg] = (ubyte)fulldecl->Interp.Interpolate;
info->input_interpolate_loc[reg] = (ubyte)fulldecl->Interp.Location;
info->input_cylindrical_wrap[reg] = (ubyte)fulldecl->Interp.CylindricalWrap;
info->num_inputs++;

/* Only interpolated varyings. Don't include POSITION.
* Don't include integer varyings, because they are not
* interpolated.
*/
if (semName == TGSI_SEMANTIC_GENERIC ||
semName == TGSI_SEMANTIC_TEXCOORD ||
semName == TGSI_SEMANTIC_COLOR ||
semName == TGSI_SEMANTIC_BCOLOR ||
semName == TGSI_SEMANTIC_FOG ||
semName == TGSI_SEMANTIC_CLIPDIST ||
semName == TGSI_SEMANTIC_CULLDIST) {
switch (fulldecl->Interp.Interpolate) {
case TGSI_INTERPOLATE_COLOR:
case TGSI_INTERPOLATE_PERSPECTIVE:
switch (fulldecl->Interp.Location) {
case TGSI_INTERPOLATE_LOC_CENTER:
info->uses_persp_center = true;
break;
case TGSI_INTERPOLATE_LOC_CENTROID:
info->uses_persp_centroid = true;
break;
case TGSI_INTERPOLATE_LOC_SAMPLE:
info->uses_persp_sample = true;
break;
}
break;
case TGSI_INTERPOLATE_LINEAR:
switch (fulldecl->Interp.Location) {
case TGSI_INTERPOLATE_LOC_CENTER:
info->uses_linear_center = true;
break;
case TGSI_INTERPOLATE_LOC_CENTROID:
info->uses_linear_centroid = true;
break;
case TGSI_INTERPOLATE_LOC_SAMPLE:
info->uses_linear_sample = true;
break;
}
break;
/* TGSI_INTERPOLATE_CONSTANT doesn't do any interpolation. */
}
}

if (semName == TGSI_SEMANTIC_PRIMID)
info->uses_primid = TRUE;
else if (procType == TGSI_PROCESSOR_FRAGMENT) {
if (semName == TGSI_SEMANTIC_POSITION)
info->reads_position = TRUE;
else if (semName == TGSI_SEMANTIC_FACE)
info->uses_frontface = TRUE;
}
}
else if (file == TGSI_FILE_SYSTEM_VALUE) {
unsigned index = fulldecl->Range.First;

info->system_value_semantic_name[index] = semName;
info->num_system_values = MAX2(info->num_system_values, index + 1);

if (semName == TGSI_SEMANTIC_INSTANCEID) {
info->uses_instanceid = TRUE;
}
else if (semName == TGSI_SEMANTIC_VERTEXID) {
info->uses_vertexid = TRUE;
}
else if (semName == TGSI_SEMANTIC_VERTEXID_NOBASE) {
info->uses_vertexid_nobase = TRUE;
}
else if (semName == TGSI_SEMANTIC_BASEVERTEX) {
info->uses_basevertex = TRUE;
}
else if (semName == TGSI_SEMANTIC_PRIMID) {
info->uses_primid = TRUE;
} else if (semName == TGSI_SEMANTIC_INVOCATIONID) {
info->uses_invocationid = TRUE;
} else if (semName == TGSI_SEMANTIC_POSITION)
info->reads_position = TRUE;
else if (semName == TGSI_SEMANTIC_FACE)
info->uses_frontface = TRUE;
else if (semName == TGSI_SEMANTIC_SAMPLEMASK)
info->reads_samplemask = TRUE;
}
else if (file == TGSI_FILE_OUTPUT) {
info->output_semantic_name[reg] = (ubyte) semName;
info->output_semantic_index[reg] = (ubyte) semIndex;
info->num_outputs++;

if (semName == TGSI_SEMANTIC_COLOR)
info->colors_written |= 1 << semIndex;

if (procType == TGSI_PROCESSOR_VERTEX ||
procType == TGSI_PROCESSOR_GEOMETRY ||
procType == TGSI_PROCESSOR_TESS_CTRL ||
procType == TGSI_PROCESSOR_TESS_EVAL) {
if (semName == TGSI_SEMANTIC_VIEWPORT_INDEX) {
info->writes_viewport_index = TRUE;
}
else if (semName == TGSI_SEMANTIC_LAYER) {
info->writes_layer = TRUE;
}
else if (semName == TGSI_SEMANTIC_PSIZE) {
info->writes_psize = TRUE;
}
else if (semName == TGSI_SEMANTIC_CLIPVERTEX) {
info->writes_clipvertex = TRUE;
}
}

if (procType == TGSI_PROCESSOR_FRAGMENT) {
if (semName == TGSI_SEMANTIC_POSITION) {
info->writes_z = TRUE;
}
else if (semName == TGSI_SEMANTIC_STENCIL) {
info->writes_stencil = TRUE;
} else if (semName == TGSI_SEMANTIC_SAMPLEMASK) {
info->writes_samplemask = TRUE;
}
}

if (procType == TGSI_PROCESSOR_VERTEX) {
if (semName == TGSI_SEMANTIC_EDGEFLAG) {
info->writes_edgeflag = TRUE;
}
}
} else if (file == TGSI_FILE_SAMPLER) {
info->samplers_declared |= 1 << reg;
}
}
}


static void
scan_immediate(struct tgsi_shader_info *info)
{
uint reg = info->immediate_count++;
uint file = TGSI_FILE_IMMEDIATE;

info->file_mask[file] |= (1 << reg);
info->file_count[file]++;
info->file_max[file] = MAX2(info->file_max[file], (int)reg);
}


static void
scan_property(struct tgsi_shader_info *info,
const struct tgsi_full_property *fullprop)
{
unsigned name = fullprop->Property.PropertyName;
unsigned value = fullprop->u[0].Data;

assert(name < Elements(info->properties));
info->properties[name] = value;

switch (name) {
case TGSI_PROPERTY_NUM_CLIPDIST_ENABLED:
info->num_written_clipdistance = value;
info->clipdist_writemask |= (1 << value) - 1;
break;
case TGSI_PROPERTY_NUM_CULLDIST_ENABLED:
info->num_written_culldistance = value;
info->culldist_writemask |= (1 << value) - 1;
break;
}
}


/**
* Scan the given TGSI shader to collect information such as number of
@@ -93,378 +462,20 @@ tgsi_scan_shader(const struct tgsi_token *tokens,

switch( parse.FullToken.Token.Type ) {
case TGSI_TOKEN_TYPE_INSTRUCTION:
{
const struct tgsi_full_instruction *fullinst
= &parse.FullToken.FullInstruction;
uint i;

assert(fullinst->Instruction.Opcode < TGSI_OPCODE_LAST);
info->opcode_count[fullinst->Instruction.Opcode]++;

switch (fullinst->Instruction.Opcode) {
case TGSI_OPCODE_IF:
case TGSI_OPCODE_UIF:
case TGSI_OPCODE_BGNLOOP:
current_depth++;
info->max_depth = MAX2(info->max_depth, current_depth);
break;
case TGSI_OPCODE_ENDIF:
case TGSI_OPCODE_ENDLOOP:
current_depth--;
break;
default:
break;
}

if (fullinst->Instruction.Opcode == TGSI_OPCODE_INTERP_CENTROID ||
fullinst->Instruction.Opcode == TGSI_OPCODE_INTERP_OFFSET ||
fullinst->Instruction.Opcode == TGSI_OPCODE_INTERP_SAMPLE) {
const struct tgsi_full_src_register *src0 = &fullinst->Src[0];
unsigned input;

if (src0->Register.Indirect && src0->Indirect.ArrayID)
input = info->input_array_first[src0->Indirect.ArrayID];
else
input = src0->Register.Index;

/* For the INTERP opcodes, the interpolation is always
* PERSPECTIVE unless LINEAR is specified.
*/
switch (info->input_interpolate[input]) {
case TGSI_INTERPOLATE_COLOR:
case TGSI_INTERPOLATE_CONSTANT:
case TGSI_INTERPOLATE_PERSPECTIVE:
switch (fullinst->Instruction.Opcode) {
case TGSI_OPCODE_INTERP_CENTROID:
info->uses_persp_opcode_interp_centroid = true;
break;
case TGSI_OPCODE_INTERP_OFFSET:
info->uses_persp_opcode_interp_offset = true;
break;
case TGSI_OPCODE_INTERP_SAMPLE:
info->uses_persp_opcode_interp_sample = true;
break;
}
break;

case TGSI_INTERPOLATE_LINEAR:
switch (fullinst->Instruction.Opcode) {
case TGSI_OPCODE_INTERP_CENTROID:
info->uses_linear_opcode_interp_centroid = true;
break;
case TGSI_OPCODE_INTERP_OFFSET:
info->uses_linear_opcode_interp_offset = true;
break;
case TGSI_OPCODE_INTERP_SAMPLE:
info->uses_linear_opcode_interp_sample = true;
break;
}
break;
}
}

if (fullinst->Instruction.Opcode >= TGSI_OPCODE_F2D &&
fullinst->Instruction.Opcode <= TGSI_OPCODE_DSSG)
info->uses_doubles = true;

for (i = 0; i < fullinst->Instruction.NumSrcRegs; i++) {
const struct tgsi_full_src_register *src =
&fullinst->Src[i];
int ind = src->Register.Index;

/* Mark which inputs are effectively used */
if (src->Register.File == TGSI_FILE_INPUT) {
unsigned usage_mask;
usage_mask = tgsi_util_get_inst_usage_mask(fullinst, i);
if (src->Register.Indirect) {
for (ind = 0; ind < info->num_inputs; ++ind) {
info->input_usage_mask[ind] |= usage_mask;
}
} else {
assert(ind >= 0);
assert(ind < PIPE_MAX_SHADER_INPUTS);
info->input_usage_mask[ind] |= usage_mask;
}

if (procType == TGSI_PROCESSOR_FRAGMENT &&
!src->Register.Indirect) {
unsigned name =
info->input_semantic_name[src->Register.Index];
unsigned index =
info->input_semantic_index[src->Register.Index];

if (name == TGSI_SEMANTIC_POSITION &&
(src->Register.SwizzleX == TGSI_SWIZZLE_Z ||
src->Register.SwizzleY == TGSI_SWIZZLE_Z ||
src->Register.SwizzleZ == TGSI_SWIZZLE_Z ||
src->Register.SwizzleW == TGSI_SWIZZLE_Z))
info->reads_z = TRUE;

if (name == TGSI_SEMANTIC_COLOR) {
unsigned mask =
(1 << src->Register.SwizzleX) |
(1 << src->Register.SwizzleY) |
(1 << src->Register.SwizzleZ) |
(1 << src->Register.SwizzleW);

info->colors_read |= mask << (index * 4);
}
}
}

/* check for indirect register reads */
if (src->Register.Indirect) {
info->indirect_files |= (1 << src->Register.File);
info->indirect_files_read |= (1 << src->Register.File);
}

/* MSAA samplers */
if (src->Register.File == TGSI_FILE_SAMPLER) {
assert(fullinst->Instruction.Texture);
assert(src->Register.Index < Elements(info->is_msaa_sampler));

if (fullinst->Instruction.Texture &&
(fullinst->Texture.Texture == TGSI_TEXTURE_2D_MSAA ||
fullinst->Texture.Texture == TGSI_TEXTURE_2D_ARRAY_MSAA)) {
info->is_msaa_sampler[src->Register.Index] = TRUE;
}
}
}

/* check for indirect register writes */
for (i = 0; i < fullinst->Instruction.NumDstRegs; i++) {
const struct tgsi_full_dst_register *dst = &fullinst->Dst[i];
if (dst->Register.Indirect) {
info->indirect_files |= (1 << dst->Register.File);
info->indirect_files_written |= (1 << dst->Register.File);
}
}

info->num_instructions++;
}
scan_instruction(info, &parse.FullToken.FullInstruction,
&current_depth);
break;

case TGSI_TOKEN_TYPE_DECLARATION:
{
const struct tgsi_full_declaration *fulldecl
= &parse.FullToken.FullDeclaration;
const uint file = fulldecl->Declaration.File;
uint reg;

if (fulldecl->Declaration.Array) {
unsigned array_id = fulldecl->Array.ArrayID;

switch (file) {
case TGSI_FILE_INPUT:
assert(array_id < ARRAY_SIZE(info->input_array_first));
info->input_array_first[array_id] = fulldecl->Range.First;
info->input_array_last[array_id] = fulldecl->Range.Last;
break;
case TGSI_FILE_OUTPUT:
assert(array_id < ARRAY_SIZE(info->output_array_first));
info->output_array_first[array_id] = fulldecl->Range.First;
info->output_array_last[array_id] = fulldecl->Range.Last;
break;
}
info->array_max[file] = MAX2(info->array_max[file], array_id);
}

for (reg = fulldecl->Range.First;
reg <= fulldecl->Range.Last;
reg++) {
unsigned semName = fulldecl->Semantic.Name;
unsigned semIndex =
fulldecl->Semantic.Index + (reg - fulldecl->Range.First);

/* only first 32 regs will appear in this bitfield */
info->file_mask[file] |= (1 << reg);
info->file_count[file]++;
info->file_max[file] = MAX2(info->file_max[file], (int)reg);

if (file == TGSI_FILE_CONSTANT) {
int buffer = 0;

if (fulldecl->Declaration.Dimension)
buffer = fulldecl->Dim.Index2D;

info->const_file_max[buffer] =
MAX2(info->const_file_max[buffer], (int)reg);
}
else if (file == TGSI_FILE_INPUT) {
info->input_semantic_name[reg] = (ubyte) semName;
info->input_semantic_index[reg] = (ubyte) semIndex;
info->input_interpolate[reg] = (ubyte)fulldecl->Interp.Interpolate;
info->input_interpolate_loc[reg] = (ubyte)fulldecl->Interp.Location;
info->input_cylindrical_wrap[reg] = (ubyte)fulldecl->Interp.CylindricalWrap;
info->num_inputs++;

/* Only interpolated varyings. Don't include POSITION.
* Don't include integer varyings, because they are not
* interpolated.
*/
if (semName == TGSI_SEMANTIC_GENERIC ||
semName == TGSI_SEMANTIC_TEXCOORD ||
semName == TGSI_SEMANTIC_COLOR ||
semName == TGSI_SEMANTIC_BCOLOR ||
semName == TGSI_SEMANTIC_FOG ||
semName == TGSI_SEMANTIC_CLIPDIST ||
semName == TGSI_SEMANTIC_CULLDIST) {
switch (fulldecl->Interp.Interpolate) {
case TGSI_INTERPOLATE_COLOR:
case TGSI_INTERPOLATE_PERSPECTIVE:
switch (fulldecl->Interp.Location) {
case TGSI_INTERPOLATE_LOC_CENTER:
info->uses_persp_center = true;
break;
case TGSI_INTERPOLATE_LOC_CENTROID:
info->uses_persp_centroid = true;
break;
case TGSI_INTERPOLATE_LOC_SAMPLE:
info->uses_persp_sample = true;
break;
}
break;
case TGSI_INTERPOLATE_LINEAR:
switch (fulldecl->Interp.Location) {
case TGSI_INTERPOLATE_LOC_CENTER:
info->uses_linear_center = true;
break;
case TGSI_INTERPOLATE_LOC_CENTROID:
info->uses_linear_centroid = true;
break;
case TGSI_INTERPOLATE_LOC_SAMPLE:
info->uses_linear_sample = true;
break;
}
break;
/* TGSI_INTERPOLATE_CONSTANT doesn't do any interpolation. */
}
}

if (semName == TGSI_SEMANTIC_PRIMID)
info->uses_primid = TRUE;
else if (procType == TGSI_PROCESSOR_FRAGMENT) {
if (semName == TGSI_SEMANTIC_POSITION)
info->reads_position = TRUE;
else if (semName == TGSI_SEMANTIC_FACE)
info->uses_frontface = TRUE;
}
}
else if (file == TGSI_FILE_SYSTEM_VALUE) {
unsigned index = fulldecl->Range.First;

info->system_value_semantic_name[index] = semName;
info->num_system_values = MAX2(info->num_system_values,
index + 1);

if (semName == TGSI_SEMANTIC_INSTANCEID) {
info->uses_instanceid = TRUE;
}
else if (semName == TGSI_SEMANTIC_VERTEXID) {
info->uses_vertexid = TRUE;
}
else if (semName == TGSI_SEMANTIC_VERTEXID_NOBASE) {
info->uses_vertexid_nobase = TRUE;
}
else if (semName == TGSI_SEMANTIC_BASEVERTEX) {
info->uses_basevertex = TRUE;
}
else if (semName == TGSI_SEMANTIC_PRIMID) {
info->uses_primid = TRUE;
} else if (semName == TGSI_SEMANTIC_INVOCATIONID) {
info->uses_invocationid = TRUE;
} else if (semName == TGSI_SEMANTIC_POSITION)
info->reads_position = TRUE;
else if (semName == TGSI_SEMANTIC_FACE)
info->uses_frontface = TRUE;
else if (semName == TGSI_SEMANTIC_SAMPLEMASK)
info->reads_samplemask = TRUE;
}
else if (file == TGSI_FILE_OUTPUT) {
info->output_semantic_name[reg] = (ubyte) semName;
info->output_semantic_index[reg] = (ubyte) semIndex;
info->num_outputs++;

if (semName == TGSI_SEMANTIC_COLOR)
info->colors_written |= 1 << semIndex;

if (procType == TGSI_PROCESSOR_VERTEX ||
procType == TGSI_PROCESSOR_GEOMETRY ||
procType == TGSI_PROCESSOR_TESS_CTRL ||
procType == TGSI_PROCESSOR_TESS_EVAL) {
if (semName == TGSI_SEMANTIC_VIEWPORT_INDEX) {
info->writes_viewport_index = TRUE;
}
else if (semName == TGSI_SEMANTIC_LAYER) {
info->writes_layer = TRUE;
}
else if (semName == TGSI_SEMANTIC_PSIZE) {
info->writes_psize = TRUE;
}
else if (semName == TGSI_SEMANTIC_CLIPVERTEX) {
info->writes_clipvertex = TRUE;
}
}

if (procType == TGSI_PROCESSOR_FRAGMENT) {
if (semName == TGSI_SEMANTIC_POSITION) {
info->writes_z = TRUE;
}
else if (semName == TGSI_SEMANTIC_STENCIL) {
info->writes_stencil = TRUE;
} else if (semName == TGSI_SEMANTIC_SAMPLEMASK) {
info->writes_samplemask = TRUE;
}
}

if (procType == TGSI_PROCESSOR_VERTEX) {
if (semName == TGSI_SEMANTIC_EDGEFLAG) {
info->writes_edgeflag = TRUE;
}
}
} else if (file == TGSI_FILE_SAMPLER) {
info->samplers_declared |= 1 << reg;
}
}
}
scan_declaration(info, &parse.FullToken.FullDeclaration);
break;

case TGSI_TOKEN_TYPE_IMMEDIATE:
{
uint reg = info->immediate_count++;
uint file = TGSI_FILE_IMMEDIATE;

info->file_mask[file] |= (1 << reg);
info->file_count[file]++;
info->file_max[file] = MAX2(info->file_max[file], (int)reg);
}
scan_immediate(info);
break;

case TGSI_TOKEN_TYPE_PROPERTY:
{
const struct tgsi_full_property *fullprop
= &parse.FullToken.FullProperty;
unsigned name = fullprop->Property.PropertyName;
unsigned value = fullprop->u[0].Data;

assert(name < Elements(info->properties));
info->properties[name] = value;

switch (name) {
case TGSI_PROPERTY_NUM_CLIPDIST_ENABLED:
info->num_written_clipdistance = value;
info->clipdist_writemask |= (1 << value) - 1;
break;
case TGSI_PROPERTY_NUM_CULLDIST_ENABLED:
info->num_written_culldistance = value;
info->culldist_writemask |= (1 << value) - 1;
break;
}
}
scan_property(info, &parse.FullToken.FullProperty);
break;

default:
assert( 0 );
assert(!"Unexpected TGSI token type");
}
}


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