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[GPU] XXH3 hash instead of XXH64

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This commit is contained in:
Triang3l
2020-12-08 22:31:09 +03:00
parent 9a4643d0f2
commit 36a0bcec8b
24 changed files with 83 additions and 2002 deletions
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10
src/xenia/gpu/vulkan/texture_cache.cc
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@@ -1377,7 +1377,7 @@ void TextureCache::WritebackTexture(Texture* texture) {
}
void TextureCache::HashTextureBindings(
XXH64_state_t* hash_state, uint32_t& fetch_mask,
XXH3_state_t* hash_state, uint32_t& fetch_mask,
const std::vector<Shader::TextureBinding>& bindings) {
for (auto& binding : bindings) {
uint32_t fetch_bit = 1 << binding.fetch_constant;
@@ -1393,7 +1393,7 @@ void TextureCache::HashTextureBindings(
reinterpret_cast<const xenos::xe_gpu_fetch_group_t*>(&regs.values[r]);
auto& fetch = group->texture_fetch;
XXH64_update(hash_state, &fetch, sizeof(fetch));
XXH3_64bits_update(hash_state, &fetch, sizeof(fetch));
}
}
@@ -1401,14 +1401,14 @@ VkDescriptorSet TextureCache::PrepareTextureSet(
VkCommandBuffer command_buffer, VkFence completion_fence,
const std::vector<Shader::TextureBinding>& vertex_bindings,
const std::vector<Shader::TextureBinding>& pixel_bindings) {
XXH64_state_t hash_state;
XXH64_reset(&hash_state, 0);
XXH3_state_t hash_state;
XXH3_64bits_reset(&hash_state);
// (quickly) Generate a hash.
uint32_t fetch_mask = 0;
HashTextureBindings(&hash_state, fetch_mask, vertex_bindings);
HashTextureBindings(&hash_state, fetch_mask, pixel_bindings);
uint64_t hash = XXH64_digest(&hash_state);
uint64_t hash = XXH3_64bits_digest(&hash_state);
for (auto it = texture_sets_.find(hash); it != texture_sets_.end(); ++it) {
// TODO(DrChat): We need to compare the bindings and ensure they're equal.
return it->second;