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(glslang_util_cxx.cpp) Use string_starts_with

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This commit is contained in:
twinaphex 2020-06-28 21:46:08 +02:00
parent c600fbc6ff
commit fe8a191012
1 changed files with 109 additions and 99 deletions
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16
gfx/drivers_shader/glslang_util_cxx.cpp
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@ -43,9 +43,9 @@ static std::string build_stage_source(
* there is nothing to be gained from trying to replace
* this ostringstream with a C-based alternative
* (would require a rewrite of deps/glslang/glslang.cpp) */
size_t i;
std::ostringstream str;
bool active = true;
size_t i;
if (!lines)
return "";
@ -61,6 +61,8 @@ static std::string build_stage_source(
{
const char *line = lines->elems[i].data;
if (string_starts_with(line, "#pragma"))
{
/* Identify 'stage' (fragment/vertex) */
if (!strncmp("#pragma stage ", line, STRLEN_CONST("#pragma stage ")))
{
@ -77,13 +79,18 @@ static std::string build_stage_source(
}
}
else if (
!strncmp("#pragma name ", line, STRLEN_CONST("#pragma name ")) ||
!strncmp("#pragma format ", line, STRLEN_CONST("#pragma format ")))
!strncmp("#pragma name ", line,
STRLEN_CONST("#pragma name ")) ||
!strncmp("#pragma format ", line,
STRLEN_CONST("#pragma format ")))
{
/* Ignore */
}
else if (active)
str << line;
}
else if (active)
str << line;
str << '\n';
}
@ -104,6 +111,8 @@ bool glslang_parse_meta(const struct string_list *lines, glslang_meta *meta)
{
const char *line = lines->elems[i].data;
if (string_starts_with(line, "#pragma"))
{
/* Check for shader identifier */
if (!strncmp("#pragma name ", line,
STRLEN_CONST("#pragma name ")))
@ -208,6 +217,7 @@ bool glslang_parse_meta(const struct string_list *lines, glslang_meta *meta)
}
}
}
}
return true;
}