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Improve glslang_read_shader_file somewhat

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This commit is contained in:
twinaphex 2020-08-26 23:46:04 +02:00
parent 044209bc5a
commit e8a0ea15cd
1 changed files with 17 additions and 17 deletions
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34
gfx/drivers_shader/glslang_util.c
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@ -197,18 +197,21 @@ bool glslang_read_shader_file(const char *path,
if (strncmp("#version ", line, STRLEN_CONST("#version ")))
{
RARCH_ERR("First line of the shader must contain a valid #version string.\n");
RARCH_ERR("First line of the shader must contain a valid "
"#version string.\n");
goto error;
}
if (!string_list_append(output, line, attr))
goto error;
/* Allows us to use #line to make dealing with shader errors easier.
* This is supported by glslang, but since we always use glslang statically,
* this is fine. */
if (!string_list_append(output, "#extension GL_GOOGLE_cpp_style_line_directive : require", attr))
/* Allows us to use #line to make dealing with shader
* errors easier.
* This is supported by glslang, but since we always
* use glslang statically, this is fine. */
if (!string_list_append(output,
"#extension GL_GOOGLE_cpp_style_line_directive : require",
attr))
goto error;
}
@ -221,7 +224,6 @@ bool glslang_read_shader_file(const char *path,
/* Loop through lines of file */
for (i = root_file ? 1 : 0; i < lines.size; i++)
{
unsigned push_line = 0;
const char *line = lines.elems[i].data;
/* Check for 'include' statements */
@ -251,7 +253,10 @@ bool glslang_read_shader_file(const char *path,
/* After including a file, use line directive
* to pull it back to current file. */
push_line = 1;
snprintf(tmp, sizeof(tmp), "#line %u \"%s\"",
(unsigned)(i + 1), basename);
if (!string_list_append(output, tmp, attr))
goto error;
}
else if (!strncmp("#endif", line, STRLEN_CONST("#endif")) ||
!strncmp("#pragma", line, STRLEN_CONST("#pragma")))
@ -261,21 +266,16 @@ bool glslang_read_shader_file(const char *path,
* Add extra offset here since we're setting #line
* for the line after this one.
*/
push_line = 2;
if (!string_list_append(output, line, attr))
goto error;
snprintf(tmp, sizeof(tmp), "#line %u \"%s\"",
(unsigned)(i + 2), basename);
if (!string_list_append(output, tmp, attr))
goto error;
}
else
if (!string_list_append(output, line, attr))
goto error;
if (push_line != 0)
{
snprintf(tmp, sizeof(tmp), "#line %u \"%s\"",
(unsigned)(i + push_line), basename);
if (!string_list_append(output, tmp, attr))
goto error;
}
}
string_list_deinitialize(&lines);