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glgsg: Suppress useless shader linking warnings on macOS

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This commit is contained in:
rdb 2021-02-26 13:33:25 +01:00
parent 6a51709332
commit b6096c3d40
1 changed files with 31 additions and 0 deletions
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31
panda/src/glstuff/glShaderContext_src.cxx
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@ -3095,6 +3095,37 @@ glsl_report_program_errors(GLuint program, bool fatal) {
if (strcmp(info_log, "Success.\n") != 0 &&
strcmp(info_log, "No errors.\n") != 0 &&
strcmp(info_log, "Validation successful.\n") != 0) {
#ifdef __APPLE__
// Filter out these unhelpful warnings that Apple always generates.
while (true) {
if (info_log[0] == '\n') {
++info_log;
continue;
}
if (info_log[0] == '\0') {
// We reached the end without finding anything interesting.
return;
}
int linelen = 0;
if ((sscanf(info_log, "WARNING: Could not find vertex shader attribute %*s to match BindAttributeLocation request.%*[\n]%n", &linelen) == 0 && linelen > 0) ||
(sscanf(info_log, "WARNING: Could not find fragment shader output %*s to match FragDataBinding request.%*[\n]%n", &linelen) == 0 && linelen > 0)) {
info_log += linelen;
continue;
}
else {
break;
}
info_log = strchr(info_log, '\n');
if (info_log == nullptr) {
// We reached the end without finding anything interesting.
return;
}
++info_log;
}
#endif
if (!fatal) {
GLCAT.warning()
<< "Shader " << _shader->get_filename() << " produced the "