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GPUDevice: Support transpiling shaders at compile time

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And use it for GLSL postprocessing shaders.
This commit is contained in:
Stenzek
2024-06-14 14:37:33 +10:00
parent f0c2832d03
commit ef69c31e9f
37 changed files with 918 additions and 470 deletions
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19
src/util/gpu_shader_cache.cpp
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@ -20,7 +20,9 @@ Log_SetChannel(GPUShaderCache);
#pragma pack(push, 1)
struct CacheIndexEntry
{
u32 shader_type;
u8 shader_type;
u8 shader_language;
u8 unused[2];
u32 source_length;
u64 source_hash_low;
u64 source_hash_high;
@ -202,8 +204,9 @@ bool GPUShaderCache::ReadExisting(const std::string& index_filename, const std::
return false;
}
const CacheIndexKey key{entry.shader_type, entry.source_length, entry.source_hash_low,
entry.source_hash_high, entry.entry_point_low, entry.entry_point_high};
const CacheIndexKey key{entry.shader_type, entry.shader_language, {},
entry.source_length, entry.source_hash_low, entry.source_hash_high,
entry.entry_point_low, entry.entry_point_high};
const CacheIndexData data{entry.file_offset, entry.compressed_size, entry.uncompressed_size};
m_index.emplace(key, data);
}
@ -215,8 +218,8 @@ bool GPUShaderCache::ReadExisting(const std::string& index_filename, const std::
return true;
}
GPUShaderCache::CacheIndexKey GPUShaderCache::GetCacheKey(GPUShaderStage stage, std::string_view shader_code,
std::string_view entry_point)
GPUShaderCache::CacheIndexKey GPUShaderCache::GetCacheKey(GPUShaderStage stage, GPUShaderLanguage language,
std::string_view shader_code, std::string_view entry_point)
{
union
{
@ -229,7 +232,8 @@ GPUShaderCache::CacheIndexKey GPUShaderCache::GetCacheKey(GPUShaderStage stage,
} h;
CacheIndexKey key = {};
key.shader_type = static_cast<u32>(stage);
key.shader_type = static_cast<u8>(stage);
key.shader_language = static_cast<u8>(language);
MD5Digest digest;
digest.Update(shader_code.data(), static_cast<u32>(shader_code.length()));
@ -295,7 +299,8 @@ bool GPUShaderCache::Insert(const CacheIndexKey& key, const void* data, u32 data
idata.uncompressed_size = data_size;
CacheIndexEntry entry = {};
entry.shader_type = static_cast<u32>(key.shader_type);
entry.shader_type = static_cast<u8>(key.shader_type);
entry.shader_language = static_cast<u8>(key.shader_language);
entry.source_length = key.source_length;
entry.source_hash_low = key.source_hash_low;
entry.source_hash_high = key.source_hash_high;