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mesa: add environment variable MESA_NO_SHADER_REPLACEMENT

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for performance comparisons

Reviewed-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12492>
This commit is contained in:
Marek Olšák 2021-08-20 12:25:34 -04:00 • committed by Marge Bot
parent 805c6a37b8
commit dab8bded4d
1 changed files with 13 additions and 11 deletions
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24
src/mesa/main/shaderapi.c
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@ -2043,20 +2043,22 @@ _mesa_read_shader_source(const gl_shader_stage stage, const char *source)
generate_sha1(source, sha);
const char *process_name =
ARRAY_SIZE(shader_replacements) ? util_get_process_name() : NULL;
for (size_t i = 0; i < ARRAY_SIZE(shader_replacements); i++) {
if (stage != shader_replacements[i].stage)
continue;
if (!debug_get_bool_option("MESA_NO_SHADER_REPLACEMENT", false)) {
const char *process_name =
ARRAY_SIZE(shader_replacements) ? util_get_process_name() : NULL;
for (size_t i = 0; i < ARRAY_SIZE(shader_replacements); i++) {
if (stage != shader_replacements[i].stage)
continue;
if (shader_replacements[i].app &&
strcmp(process_name, shader_replacements[i].app) != 0)
continue;
if (shader_replacements[i].app &&
strcmp(process_name, shader_replacements[i].app) != 0)
continue;
if (memcmp(sha, shader_replacements[i].sha1, 40) != 0)
continue;
if (memcmp(sha, shader_replacements[i].sha1, 40) != 0)
continue;
return load_shader_replacement(&shader_replacements[i]);
return load_shader_replacement(&shader_replacements[i]);
}
}
if (!path_exists)