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fm: Make --writeShaders dump fragment, vertex, and key files

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Bug: skia:11372
Change-Id: Ib764b8d995655317e8968e57b1ea0528339d430b
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/379060
Reviewed-by: Mike Klein <mtklein@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
This commit is contained in:
Brian Osman 2021-03-03 14:24:37 -05:00 committed by Skia Commit-Bot
parent dc41f59b3d
commit 9e1ef99d1e
1 changed files with 24 additions and 6 deletions
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30
tools/gpu/MemoryCache.cpp
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@ -94,17 +94,35 @@ void MemoryCache::writeShadersToDisk(const char* path, GrBackendApi api) {
SkSL::Program::Inputs inputsIgnored[kGrShaderTypeCount];
SkSL::String shaders[kGrShaderTypeCount];
const SkData* data = it->second.fData.get();
// Even with the SPIR-V switches, it seems like we must use .spv, or malisc tries to
// run glslang on the input.
const char* ext = GrBackendApi::kOpenGL == api ? "frag" : "spv";
const SkString& description = it->second.fDescription;
SkReadBuffer reader(data->data(), data->size());
GrPersistentCacheUtils::GetType(&reader); // Shader type tag
GrPersistentCacheUtils::UnpackCachedShaders(&reader, shaders,
inputsIgnored, kGrShaderTypeCount);
SkString filename = SkStringPrintf("%s/%s.%s", path, md5.c_str(), ext);
SkFILEWStream file(filename.c_str());
file.write(shaders[kFragment_GrShaderType].c_str(), shaders[kFragment_GrShaderType].size());
// Even with the SPIR-V switches, it seems like we must use .spv, or malisc tries to
// run glslang on the input.
{
const char* ext = GrBackendApi::kOpenGL == api ? "frag" : "frag.spv";
SkString filename = SkStringPrintf("%s/%s.%s", path, md5.c_str(), ext);
SkFILEWStream file(filename.c_str());
file.write(shaders[kFragment_GrShaderType].c_str(),
shaders[kFragment_GrShaderType].size());
}
{
const char* ext = GrBackendApi::kOpenGL == api ? "vert" : "vert.spv";
SkString filename = SkStringPrintf("%s/%s.%s", path, md5.c_str(), ext);
SkFILEWStream file(filename.c_str());
file.write(shaders[kVertex_GrShaderType].c_str(),
shaders[kVertex_GrShaderType].size());
}
if (!description.isEmpty()) {
const char* ext = "key";
SkString filename = SkStringPrintf("%s/%s.%s", path, md5.c_str(), ext);
SkFILEWStream file(filename.c_str());
file.write(description.c_str(), description.size());
}
}
}