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ShaderCache: Add a data version field

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We can increment this to prevent people's shader caches from growing too
large with shader changes.
This commit is contained in:
Connor McLaughlin
2021-01-11 14:50:25 +10:00
parent 97971464d1
commit fd166a4485
14 changed files with 56 additions and 29 deletions
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7
src/common/vulkan/shader_cache.h
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@ -18,7 +18,7 @@ class ShaderCache
public:
~ShaderCache();
static void Create(std::string_view base_path, bool debug);
static void Create(std::string_view base_path, u32 version, bool debug);
static void Destroy();
/// Returns a handle to the pipeline cache. Set set_dirty to true if you are planning on writing to it externally.
@ -36,7 +36,7 @@ public:
VkShaderModule GetComputeShader(std::string_view shader_code);
private:
static constexpr u32 FILE_VERSION = 1;
static constexpr u32 FILE_VERSION = 2;
struct CacheIndexKey
{
@ -73,7 +73,7 @@ private:
static std::string GetPipelineCacheBaseFileName(const std::string_view& base_path, bool debug);
static CacheIndexKey GetCacheKey(ShaderCompiler::Type type, const std::string_view& shader_code);
void Open(std::string_view base_path, bool debug);
void Open(std::string_view base_path, u32 version, bool debug);
bool CreateNewShaderCache(const std::string& index_filename, const std::string& blob_filename);
bool ReadExistingShaderCache(const std::string& index_filename, const std::string& blob_filename);
@ -93,6 +93,7 @@ private:
CacheIndex m_index;
VkPipelineCache m_pipeline_cache = VK_NULL_HANDLE;
u32 m_version = 0;
bool m_debug = false;
bool m_pipeline_cache_dirty = false;
};