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graphics: compact shader keys and hash packed pipeline state

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This commit is contained in:
nmzik
2026-09-29 03:40:03 +04:00
parent 5e4f6afc30
commit 0fbeac6d3f
4 changed files with 49 additions and 47 deletions
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src/graphics/host_gpu/renderer/pipeline/pipelineCache.h
+1 -36
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@@ -166,45 +166,10 @@ private:
hash ^= value + static_cast<std::size_t>(0x9e3779b97f4a7c15ull) + (hash << 6u) +
(hash >> 2u);
}
static void MixStaticParams(std::size_t& hash, const PipelineStaticParameters& params) {
const auto* bytes = reinterpret_cast<const uint8_t*>(&params);
for (std::size_t i = 0; i < sizeof(params); i++) {
Mix(hash, bytes[i]);
}
}
static void MixRendering(std::size_t& hash, const PipelineRenderingState& rendering) {
Mix(hash, rendering.color_count);
for (uint32_t i = 0; i < rendering.color_count; i++) {
Mix(hash, static_cast<uint32_t>(rendering.color_formats[i]));
}
Mix(hash, static_cast<uint32_t>(rendering.depth_format));
Mix(hash, static_cast<uint32_t>(rendering.stencil_format));
}
};
struct GraphicsPipelineKeyHash {
std::size_t operator()(const GraphicsPipelineKey& key) const {
std::size_t hash = 0;
PipelineKeyHash::MixRendering(hash, key.rendering);
for (const auto id: key.vertex_shader_ids) {
PipelineKeyHash::Mix(hash, id);
}
PipelineKeyHash::Mix(hash, key.ps_shader_id);
PipelineKeyHash::Mix(hash, key.vertex_input.binding_count);
for (uint32_t i = 0; i < key.vertex_input.binding_count; i++) {
PipelineKeyHash::Mix(hash, key.vertex_input.bindings[i].stride);
PipelineKeyHash::Mix(hash, key.vertex_input.bindings[i].instance);
}
PipelineKeyHash::Mix(hash, key.vertex_input.attribute_count);
for (uint32_t i = 0; i < key.vertex_input.attribute_count; i++) {
PipelineKeyHash::Mix(hash, key.vertex_input.attributes[i].offset);
PipelineKeyHash::Mix(hash, key.vertex_input.attributes[i].binding);
}
PipelineKeyHash::MixStaticParams(hash, key.static_params);
return hash;
}
std::size_t operator()(const GraphicsPipelineKey& key) const;
};
GraphicContext& m_graphics;