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Try harder to show a useful post shader error.

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It's worth seeing the error quickly, but mostly will need to look at the
log.
This commit is contained in:
Unknown W. Brackets 2014-02-16 01:25:33 -08:00
parent 258bf3af4a
commit be9194b887
1 changed files with 20 additions and 3 deletions
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23
GPU/GLES/Framebuffer.cpp
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@ -226,13 +226,30 @@ void FramebufferManager::CompileDraw2DProgram() {
// user shader experiments.
ERROR_LOG(G3D, "Failed to build post-processing program from %s and %s!\n%s", shaderInfo->vertexShaderFile.c_str(), shaderInfo->fragmentShaderFile.c_str(), errorString.c_str());
// let's show the first line of the error string as an OSM.
std::set<std::string> blacklistedLines;
// These aren't useful to show, skip to the first interesting line.
blacklistedLines.insert("Fragment shader failed to compile with the following errors:");
blacklistedLines.insert("Vertex shader failed to compile with the following errors:");
blacklistedLines.insert("Compile failed.");
blacklistedLines.insert("");
std::string firstLine;
size_t start = 0;
for (size_t i = 0; i < errorString.size(); i++) {
if (errorString[i] == '\n') {
errorString = errorString.substr(0, i);
break;
firstLine = errorString.substr(start, i - start);
if (blacklistedLines.find(firstLine) == blacklistedLines.end()) {
break;
}
start = i + 1;
firstLine.clear();
}
}
osm.Show("Post-shader error: " + errorString + " ...", 10.0f, 0xFF3090FF);
if (!firstLine.empty()) {
osm.Show("Post-shader error: " + firstLine + "...", 10.0f, 0xFF3090FF);
} else {
osm.Show("Post-shader error, see log for details", 10.0f, 0xFF3090FF);
}
usePostShader_ = false;
} else {
glsl_bind(postShaderProgram_);