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buffer_cache: Heuristically decide to skip cache on uniform buffers

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Some games benefit from skipping caches (Pokémon Sword), and others
don't (Animal Crossing: New Horizons). Add an heuristic to decide this
at runtime.

The cache hit ratio has to be ~98% or better to not skip the cache.
There are 16 frames of buffer.
This commit is contained in:
ReinUsesLisp 2021-03-02 02:44:19 -03:00
parent d384b5101c
commit 06028cda0c
2 changed files with 37 additions and 11 deletions
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3
src/video_core/renderer_opengl/gl_buffer_cache.cpp
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@ -73,7 +73,8 @@ BufferCacheRuntime::BufferCacheRuntime(const Device& device_)
for (auto& stage_uniforms : fast_uniforms) {
for (OGLBuffer& buffer : stage_uniforms) {
buffer.Create();
glNamedBufferData(buffer.handle, BufferCache::SKIP_CACHE_SIZE, nullptr, GL_STREAM_DRAW);
glNamedBufferData(buffer.handle, BufferCache::DEFAULT_SKIP_CACHE_SIZE, nullptr,
GL_STREAM_DRAW);
}
}
for (auto& stage_uniforms : copy_uniforms) {