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Work around bug in certain Intel drivers with #pragma include

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This commit is contained in:
rdb 2016-04-12 18:20:27 +02:00
parent 449d4c8a89
commit 873fd3294a
1 changed files with 5 additions and 3 deletions
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8
panda/src/gobj/shader.cxx
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@ -2274,15 +2274,14 @@ r_preprocess_source(ostream &out, const Filename &fn,
bool had_include = false;
int lineno = 0;
while (getline(*source, line)) {
// We always forward the actual line - the GLSL compiler will
// silently ignore #pragma lines anyway.
++lineno;
out << line << "\n";
// Check if this line contains a #pragma.
char pragma[64];
if (line.size() < 8 ||
sscanf(line.c_str(), " # pragma %63s", pragma) != 1) {
// Just pass the line through unmodified.
out << line << "\n";
// One exception: check for an #endif after an include. We have
// to restore the line number in case the include happened under
@ -2347,8 +2346,11 @@ r_preprocess_source(ostream &out, const Filename &fn,
} else if (strcmp(pragma, "optionNV") == 0) {
// This is processed by NVIDIA drivers. Don't touch it.
out << line << "\n";
} else {
// Forward it, the driver will ignore it if it doesn't know it.
out << line << "\n";
shader_cat.warning()
<< "Ignoring unknown pragma directive \"" << pragma << "\" at line "
<< lineno << " of file " << fn << ":\n " << line << "\n";