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tgsi: use switches instead of big if/else ifs 

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
This commit is contained in:
Brian Paul 2016-02-08 09:29:38 -07:00
parent 37eb3f0400
commit da6e879a6c
1 changed files with 36 additions and 24 deletions
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60
src/gallium/auxiliary/tgsi/tgsi_scan.c
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@ -307,28 +307,35 @@ scan_declaration(struct tgsi_shader_info *info,
info->system_value_semantic_name[index] = semName;
info->num_system_values = MAX2(info->num_system_values, index + 1);
if (semName == TGSI_SEMANTIC_INSTANCEID) {
switch (semName) {
case TGSI_SEMANTIC_INSTANCEID:
info->uses_instanceid = TRUE;
}
else if (semName == TGSI_SEMANTIC_VERTEXID) {
break;
case TGSI_SEMANTIC_VERTEXID:
info->uses_vertexid = TRUE;
}
else if (semName == TGSI_SEMANTIC_VERTEXID_NOBASE) {
break;
case TGSI_SEMANTIC_VERTEXID_NOBASE:
info->uses_vertexid_nobase = TRUE;
}
else if (semName == TGSI_SEMANTIC_BASEVERTEX) {
break;
case TGSI_SEMANTIC_BASEVERTEX:
info->uses_basevertex = TRUE;
}
else if (semName == TGSI_SEMANTIC_PRIMID) {
break;
case TGSI_SEMANTIC_PRIMID:
info->uses_primid = TRUE;
} else if (semName == TGSI_SEMANTIC_INVOCATIONID) {
break;
case TGSI_SEMANTIC_INVOCATIONID:
info->uses_invocationid = TRUE;
} else if (semName == TGSI_SEMANTIC_POSITION)
break;
case TGSI_SEMANTIC_POSITION:
info->reads_position = TRUE;
else if (semName == TGSI_SEMANTIC_FACE)
break;
case TGSI_SEMANTIC_FACE:
info->uses_frontface = TRUE;
else if (semName == TGSI_SEMANTIC_SAMPLEMASK)
break;
case TGSI_SEMANTIC_SAMPLEMASK:
info->reads_samplemask = TRUE;
break;
}
}
else if (file == TGSI_FILE_OUTPUT) {
info->output_semantic_name[reg] = (ubyte) semName;
@ -342,28 +349,33 @@ scan_declaration(struct tgsi_shader_info *info,
procType == TGSI_PROCESSOR_GEOMETRY ||
procType == TGSI_PROCESSOR_TESS_CTRL ||
procType == TGSI_PROCESSOR_TESS_EVAL) {
if (semName == TGSI_SEMANTIC_VIEWPORT_INDEX) {
switch (semName) {
case TGSI_SEMANTIC_VIEWPORT_INDEX:
info->writes_viewport_index = TRUE;
}
else if (semName == TGSI_SEMANTIC_LAYER) {
break;
case TGSI_SEMANTIC_LAYER:
info->writes_layer = TRUE;
}
else if (semName == TGSI_SEMANTIC_PSIZE) {
break;
case TGSI_SEMANTIC_PSIZE:
info->writes_psize = TRUE;
}
else if (semName == TGSI_SEMANTIC_CLIPVERTEX) {
break;
case TGSI_SEMANTIC_CLIPVERTEX:
info->writes_clipvertex = TRUE;
break;
}
}
if (procType == TGSI_PROCESSOR_FRAGMENT) {
if (semName == TGSI_SEMANTIC_POSITION) {
switch (semName) {
case TGSI_SEMANTIC_POSITION:
info->writes_z = TRUE;
}
else if (semName == TGSI_SEMANTIC_STENCIL) {
break;
case TGSI_SEMANTIC_STENCIL:
info->writes_stencil = TRUE;
} else if (semName == TGSI_SEMANTIC_SAMPLEMASK) {
break;
case TGSI_SEMANTIC_SAMPLEMASK:
info->writes_samplemask = TRUE;
break;
}
}