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(glslang_util_cxx.cpp) Use string_starts_with
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twinaphex
parent
c600fbc6ff
commit
fe8a191012
@ -43,9 +43,9 @@ static std::string build_stage_source(
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* there is nothing to be gained from trying to replace
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* there is nothing to be gained from trying to replace
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* this ostringstream with a C-based alternative
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* this ostringstream with a C-based alternative
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* (would require a rewrite of deps/glslang/glslang.cpp) */
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* (would require a rewrite of deps/glslang/glslang.cpp) */
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size_t i;
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std::ostringstream str;
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std::ostringstream str;
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bool active = true;
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bool active = true;
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size_t i;
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if (!lines)
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if (!lines)
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return "";
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return "";
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@ -61,26 +61,33 @@ static std::string build_stage_source(
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{
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{
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const char *line = lines->elems[i].data;
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const char *line = lines->elems[i].data;
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/* Identify 'stage' (fragment/vertex) */
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if (string_starts_with(line, "#pragma"))
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if (!strncmp("#pragma stage ", line, STRLEN_CONST("#pragma stage ")))
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{
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{
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if (!string_is_empty(stage))
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/* Identify 'stage' (fragment/vertex) */
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if (!strncmp("#pragma stage ", line, STRLEN_CONST("#pragma stage ")))
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{
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{
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char expected[128];
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if (!string_is_empty(stage))
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{
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char expected[128];
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expected[0] = '\0';
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expected[0] = '\0';
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strlcpy(expected, "#pragma stage ", sizeof(expected));
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strlcpy(expected, "#pragma stage ", sizeof(expected));
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strlcat(expected, stage, sizeof(expected));
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strlcat(expected, stage, sizeof(expected));
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active = string_is_equal(expected, line);
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active = string_is_equal(expected, line);
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}
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}
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}
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}
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else if (
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else if (
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!strncmp("#pragma name ", line,
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!strncmp("#pragma name ", line, STRLEN_CONST("#pragma name ")) ||
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STRLEN_CONST("#pragma name ")) ||
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!strncmp("#pragma format ", line, STRLEN_CONST("#pragma format ")))
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!strncmp("#pragma format ", line,
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{
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STRLEN_CONST("#pragma format ")))
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/* Ignore */
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{
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/* Ignore */
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}
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else if (active)
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str << line;
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}
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}
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else if (active)
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else if (active)
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str << line;
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str << line;
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@ -104,107 +111,110 @@ bool glslang_parse_meta(const struct string_list *lines, glslang_meta *meta)
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{
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{
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const char *line = lines->elems[i].data;
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const char *line = lines->elems[i].data;
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/* Check for shader identifier */
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if (string_starts_with(line, "#pragma"))
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if (!strncmp("#pragma name ", line,
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STRLEN_CONST("#pragma name ")))
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{
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{
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const char *str = NULL;
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/* Check for shader identifier */
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if (!strncmp("#pragma name ", line,
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if (!meta->name.empty())
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STRLEN_CONST("#pragma name ")))
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{
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{
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RARCH_ERR("[slang]: Trying to declare multiple names for file.\n");
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const char *str = NULL;
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return false;
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}
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str = line + STRLEN_CONST("#pragma name ");
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if (!meta->name.empty())
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while (*str == ' ')
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str++;
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meta->name = str;
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}
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/* Check for shader parameters */
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else if (!strncmp("#pragma parameter ", line,
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STRLEN_CONST("#pragma parameter ")))
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{
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float initial, minimum, maximum, step;
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int ret = sscanf(
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line, "#pragma parameter %63s \"%63[^\"]\" %f %f %f %f",
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id, desc, &initial, &minimum, &maximum, &step);
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if (ret == 5)
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{
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step = 0.1f * (maximum - minimum);
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ret = 6;
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}
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if (ret == 6)
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{
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bool parameter_found = false;
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size_t parameter_index = 0;
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size_t j;
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for (j = 0; j < meta->parameters.size(); j++)
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{
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{
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/* Note: LHS is a std:string, RHS is a C string.
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RARCH_ERR("[slang]: Trying to declare multiple names for file.\n");
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* (the glslang_meta stuff has to be C++) */
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return false;
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if (meta->parameters[j].id == id)
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{
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parameter_found = true;
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parameter_index = j;
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break;
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}
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}
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}
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/* Allow duplicate #pragma parameter, but only
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str = line + STRLEN_CONST("#pragma name ");
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* if they are exactly the same. */
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while (*str == ' ')
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if (parameter_found)
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str++;
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{
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const glslang_parameter *parameter =
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&meta->parameters[parameter_index];
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if ( parameter->desc != desc ||
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meta->name = str;
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parameter->initial != initial ||
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}
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parameter->minimum != minimum ||
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/* Check for shader parameters */
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parameter->maximum != maximum ||
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else if (!strncmp("#pragma parameter ", line,
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parameter->step != step
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STRLEN_CONST("#pragma parameter ")))
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)
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{
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float initial, minimum, maximum, step;
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int ret = sscanf(
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line, "#pragma parameter %63s \"%63[^\"]\" %f %f %f %f",
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id, desc, &initial, &minimum, &maximum, &step);
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if (ret == 5)
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{
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step = 0.1f * (maximum - minimum);
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ret = 6;
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}
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if (ret == 6)
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{
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bool parameter_found = false;
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size_t parameter_index = 0;
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size_t j;
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for (j = 0; j < meta->parameters.size(); j++)
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{
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{
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RARCH_ERR("[slang]: Duplicate parameters found for \"%s\", but arguments do not match.\n", id);
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/* Note: LHS is a std:string, RHS is a C string.
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return false;
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* (the glslang_meta stuff has to be C++) */
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if (meta->parameters[j].id == id)
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{
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parameter_found = true;
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parameter_index = j;
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break;
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}
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}
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}
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/* Allow duplicate #pragma parameter, but only
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* if they are exactly the same. */
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if (parameter_found)
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{
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const glslang_parameter *parameter =
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&meta->parameters[parameter_index];
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if ( parameter->desc != desc ||
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parameter->initial != initial ||
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parameter->minimum != minimum ||
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parameter->maximum != maximum ||
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parameter->step != step
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)
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{
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RARCH_ERR("[slang]: Duplicate parameters found for \"%s\", but arguments do not match.\n", id);
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return false;
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}
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}
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else
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meta->parameters.push_back({ id, desc, initial, minimum, maximum, step });
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}
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}
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else
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else
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meta->parameters.push_back({ id, desc, initial, minimum, maximum, step });
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{
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RARCH_ERR("[slang]: Invalid #pragma parameter line: \"%s\".\n",
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line);
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return false;
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}
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}
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}
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else
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/* Check for framebuffer format */
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else if (!strncmp("#pragma format ", line,
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STRLEN_CONST("#pragma format ")))
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{
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{
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RARCH_ERR("[slang]: Invalid #pragma parameter line: \"%s\".\n",
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const char *str = NULL;
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line);
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return false;
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}
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}
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/* Check for framebuffer format */
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else if (!strncmp("#pragma format ", line,
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STRLEN_CONST("#pragma format ")))
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{
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const char *str = NULL;
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if (meta->rt_format != SLANG_FORMAT_UNKNOWN)
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if (meta->rt_format != SLANG_FORMAT_UNKNOWN)
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{
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{
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RARCH_ERR("[slang]: Trying to declare format multiple times for file.\n");
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RARCH_ERR("[slang]: Trying to declare format multiple times for file.\n");
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return false;
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return false;
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}
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}
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str = line + STRLEN_CONST("#pragma format ");
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str = line + STRLEN_CONST("#pragma format ");
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while (*str == ' ')
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while (*str == ' ')
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str++;
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str++;
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meta->rt_format = glslang_find_format(str);
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meta->rt_format = glslang_find_format(str);
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if (meta->rt_format == SLANG_FORMAT_UNKNOWN)
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if (meta->rt_format == SLANG_FORMAT_UNKNOWN)
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{
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{
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RARCH_ERR("[slang]: Failed to find format \"%s\".\n", str);
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RARCH_ERR("[slang]: Failed to find format \"%s\".\n", str);
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return false;
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return false;
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}
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}
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}
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}
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}
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}
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}
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