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gpu: store large compute shared memory in device buffers

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This commit is contained in:
nmzik
2026-10-04 22:07:07 +04:00
parent 0ee8800905
commit b0bbaef1eb
17 changed files with 269 additions and 69 deletions
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src/graphics/host_gpu/renderer/pipeline/pipelineCache.cpp
+2 -13
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@@ -680,19 +680,8 @@ ShaderProgram PipelineCache::GetComputeProgram(const HW::ComputeShaderInfo& regs
ShaderComputeInputInfo& input_info) {
input_info.host_subgroup_size = m_graphics.SupportsComputeWave64() ? 64u : 32u;
const auto params = PrepareProgram(regs, sh, input_info);
// Use one effective size for the cache key, LDS declaration, and access bounds.
const auto max_lds_dwords =
m_graphics.GetPhysicalDeviceProperties().limits.maxComputeSharedMemorySize / 4u;
if (input_info.lds_size_dwords > max_lds_dwords) {
static std::atomic_bool warned = false;
if (!warned.exchange(true, std::memory_order_relaxed)) {
PipelineCacheLog("GPU warning: game compute shader requests {} bytes of LDS, but "
"the Vulkan device limit is {} bytes. Clamping LDS; rendering may "
"be incorrect.",
input_info.lds_size_dwords * 4u, max_lds_dwords * 4u);
}
}
input_info.lds_size_dwords = std::min(input_info.lds_size_dwords, max_lds_dwords);
input_info.lds_storage = input_info.lds_size_dwords * 4u >
m_graphics.GetPhysicalDeviceProperties().limits.maxComputeSharedMemorySize;
uint32_t push_data_cursor = 0;
return m_program_cache->Get(params, input_info, push_data_cursor);
}