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mesa: don't overwrite existing shader files with MESA_SHADER_CAPTURE_PATH

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Reviewed-by: Tapani Pälli <tapani.palli@intel.com>
This commit is contained in:
Marek Olšák 2019-04-10 20:31:40 -04:00
parent bd2995c8b7
commit 467ff6ebfe
1 changed files with 17 additions and 3 deletions
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20
src/mesa/main/shaderapi.c
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@ -1240,10 +1240,24 @@ link_program(struct gl_context *ctx, struct gl_shader_program *shProg,
/* Capture .shader_test files. */
const char *capture_path = _mesa_get_shader_capture_path();
if (shProg->Name != 0 && shProg->Name != ~0 && capture_path != NULL) {
FILE *file;
char *filename = ralloc_asprintf(NULL, "%s/%u.shader_test",
/* Find an unused filename. */
char *filename = NULL;
for (unsigned i = 0;; i++) {
if (i) {
filename = ralloc_asprintf(NULL, "%s/%u-%u.shader_test",
capture_path, shProg->Name, i);
} else {
filename = ralloc_asprintf(NULL, "%s/%u.shader_test",
capture_path, shProg->Name);
file = fopen(filename, "w");
}
FILE *file = fopen(filename, "r");
if (!file)
break;
fclose(file);
ralloc_free(filename);
}
FILE *file = fopen(filename, "w");
if (file) {
fprintf(file, "[require]\nGLSL%s >= %u.%02u\n",
shProg->IsES ? " ES" : "",