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| author | Takoroka <137927095+Takoroka@users.noreply.github.com> | 2026-10-29 03:39:52 -0400 |
|---|---|---|
| committer | Takoroka <137927095+Takoroka@users.noreply.github.com> | 2026-10-29 03:39:52 -0400 |
| commit | e17fd9cef116a088f080ca502951e500864a58b6 (patch) | |
| tree | e7ff65f614622515d6a2e4263521909eea89a5d8 /src/video_core/shader_cache.cpp | |
| parent | ea6c1193fbfa95e586bb6d129dc684163a12cb3e (diff) | |
| parent | 80c79333fe6fd28a31b65b997f1cbf2987711c91 (diff) | |
Merge Switch 2 work from local Eden (nx2 at b0dd3fe)
Diffstat (limited to 'src/video_core/shader_cache.cpp')
| -rw-r--r-- | src/video_core/shader_cache.cpp | 121 |
1 files changed, 111 insertions, 10 deletions
diff --git a/src/video_core/shader_cache.cpp b/src/video_core/shader_cache.cpp index f1aff2810f..dfe80abac3 100644 --- a/src/video_core/shader_cache.cpp +++ b/src/video_core/shader_cache.cpp @@ -5,12 +5,17 @@ // SPDX-License-Identifier: GPL-2.0-or-later #include <algorithm> +#include <cstring> +#include <string> +#include <unordered_set> +#include <fmt/ranges.h> #include <array> #include <vector> #include <boost/container/small_vector.hpp> #include "common/assert.h" #include "shader_recompiler/frontend/maxwell/control_flow.h" +#include "shader_recompiler/exception.h" #include "shader_recompiler/object_pool.h" #include "video_core/control/channel_state.h" #include "video_core/dirty_flags.h" @@ -43,7 +48,7 @@ void ShaderCache::SyncGuestHost() { ShaderCache::ShaderCache(Tegra::MaxwellDeviceMemoryManager& device_memory_) : device_memory{device_memory_} {} -bool ShaderCache::RefreshStages(std::array<u64, 6>& unique_hashes) { +bool ShaderCache::RefreshStages(std::array<u64, 6>& unique_hashes) try { auto& dirty{maxwell3d->dirty.flags}; if (!dirty[VideoCommon::Dirty::Shaders]) { return last_shaders_valid; @@ -51,6 +56,7 @@ bool ShaderCache::RefreshStages(std::array<u64, 6>& unique_hashes) { dirty[VideoCommon::Dirty::Shaders] = false; const GPUVAddr base_addr{maxwell3d->regs.program_region.Address()}; + const bool native = maxwell3d->GetNativeMacroEngine().native_turing; for (size_t index = 0; index < Tegra::Engines::Maxwell3D::Regs::MaxShaderProgram; ++index) { if (!maxwell3d->regs.IsShaderConfigEnabled(index)) { unique_hashes[index] = 0; @@ -63,7 +69,9 @@ bool ShaderCache::RefreshStages(std::array<u64, 6>& unique_hashes) { unique_hashes[index] = 0; continue; } - const GPUVAddr shader_addr{base_addr + shader_config.offset}; + const GPUVAddr shader_addr{native + ? (static_cast<u64>(shader_config.reserved[0] & 0xff) << 32) | shader_config.reserved[1] + : base_addr + shader_config.offset}; const std::optional<VAddr> cpu_shader_addr{gpu_memory->GpuToCpuAddress(shader_addr)}; if (!cpu_shader_addr) { LOG_ERROR(HW_GPU, "Invalid GPU address for shader {:#016x}", shader_addr); @@ -71,16 +79,68 @@ bool ShaderCache::RefreshStages(std::array<u64, 6>& unique_hashes) { return false; } const ShaderInfo* shader_info{TryGet(*cpu_shader_addr)}; + if (!shader_info && native && IsRejected(*cpu_shader_addr)) { + // A rejected program fails the same way every time it is bound: skip its draws + // without rethrowing (two C++ throws each time cost ~1-2% of the GPU thread). + maxwell3d->GetNativeMacroEngine().native_execution_failed = true; + last_shaders_valid = false; + return false; + } if (!shader_info) { - const u32 start_address{shader_config.offset}; - GraphicsEnvironment env{*maxwell3d, *gpu_memory, program, base_addr, start_address}; - shader_info = MakeShaderInfo(env, *cpu_shader_addr); + const u32 start_address{native ? 0 : shader_config.offset}; + try { + // Native programs are lowered while the environment is built. + RethrowIfRejected(*cpu_shader_addr); + GraphicsEnvironment env{*maxwell3d, *gpu_memory, program, native ? shader_addr : base_addr, start_address}; + shader_info = MakeShaderInfo(env, *cpu_shader_addr); + } catch (const Shader::Exception&) { + RememberRejection(*cpu_shader_addr); + // Once per program: which stage slot it is bound to, its header and the slot's + // registers (to tell how a pipeline with task/mesh programs is set up). + static std::unordered_set<GPUVAddr> described; + if (native && described.insert(shader_addr).second) { + std::array<u32, 5> header{}; + gpu_memory->ReadBlockUnsafe(shader_addr, header.data(), sizeof(header)); + std::array<u32, sizeof(shader_config) / sizeof(u32)> config{}; + std::memcpy(config.data(), &shader_config, sizeof(config)); + LOG_ERROR(HW_GPU, "Rejected program {:#x} is bound to stage {}: header {:08x}, slot {:08x}", + shader_addr, index, fmt::join(header, " "), fmt::join(config, " ")); + } + throw; + } } shader_infos[index] = shader_info; unique_hashes[index] = shader_info->unique_hash; } last_shaders_valid = true; return true; +} catch (const Shader::Exception& error) { + auto& native = maxwell3d->GetNativeMacroEngine(); + if (!native.native_turing) throw; + native.native_execution_failed = true; + last_shaders_valid = false; + // Each rejected program is logged once (the draws that use it keep failing quietly). + static std::unordered_set<std::string> logged; + if (logged.insert(error.what()).second) { + LOG_ERROR(HW_GPU, "Native graphics shader rejected: {}", error.what()); + } + // Once: show what the vertex stage has bound, to find where an unbound bank's data lives. + static std::vector<std::string> dumped_errors; + if (const std::string what{error.what()}; + what.find("constant buffer") != std::string::npos && dumped_errors.size() < 12 && + std::count(dumped_errors.begin(), dumped_errors.end(), what) < 3) { + dumped_errors.push_back(what); + LOG_INFO(HW_GPU, "VS cbuf dump for: {}", what.substr(0, 40)); + for (u32 slot = 3; slot < 8; ++slot) { + const auto& buffer = maxwell3d->state.shader_stages[0].const_buffers[slot]; + if (!buffer.enabled) continue; + std::array<u32, 24> words{}; + gpu_memory->ReadBlockUnsafe(buffer.address, words.data(), sizeof(words)); + LOG_INFO(HW_GPU, "VS cbuf {} at {:#x} size {:#x}: {:08x}", slot, buffer.address, buffer.size, + fmt::join(words, " ")); + } + } + return false; } const ShaderInfo* ShaderCache::ComputeShader() { @@ -95,22 +155,54 @@ const ShaderInfo* ShaderCache::ComputeShader() { if (const ShaderInfo* const shader = TryGet(*cpu_shader_addr)) { return shader; } - ComputeEnvironment env{*kepler_compute, *gpu_memory, program_base, qmd.program_start}; - return MakeShaderInfo(env, *cpu_shader_addr); + try { + RethrowIfRejected(*cpu_shader_addr); + ComputeEnvironment env{*kepler_compute, *gpu_memory, program_base, qmd.program_start}; + return MakeShaderInfo(env, *cpu_shader_addr); + } catch (const Shader::Exception&) { + RememberRejection(*cpu_shader_addr); + throw; + } +} + +void ShaderCache::RethrowIfRejected(VAddr addr) { + std::scoped_lock lock{rejected_mutex}; + if (const auto it = rejected_native.find(addr); it != rejected_native.end()) { + std::rethrow_exception(it->second); + } +} + +bool ShaderCache::IsRejected(VAddr addr) { + std::scoped_lock lock{rejected_mutex}; + return rejected_native.contains(addr); +} + +void ShaderCache::RememberRejection(VAddr addr) { + std::scoped_lock lock{rejected_mutex}; + rejected_native.emplace(addr, std::current_exception()); + rejected_lowest.store((std::min)(rejected_lowest.load(std::memory_order_relaxed), addr), + std::memory_order_relaxed); + rejected_highest.store((std::max)(rejected_highest.load(std::memory_order_relaxed), addr), + std::memory_order_relaxed); } void ShaderCache::GetGraphicsEnvironments(GraphicsEnvironments& result, const std::array<u64, NUM_PROGRAMS>& unique_hashes) { size_t env_index{}; const GPUVAddr base_addr{maxwell3d->regs.program_region.Address()}; + const bool native = maxwell3d->GetNativeMacroEngine().native_turing; for (size_t index = 0; index < NUM_PROGRAMS; ++index) { if (unique_hashes[index] == 0) { continue; } const auto program{static_cast<Tegra::Engines::Maxwell3D::Regs::ShaderType>(index)}; auto& env{result.envs[index]}; - const u32 start_address{maxwell3d->regs.pipelines[index].offset}; - env = GraphicsEnvironment{*maxwell3d, *gpu_memory, program, base_addr, start_address}; + const auto& config = maxwell3d->regs.pipelines[index]; + const u32 start_address{native ? 0 : config.offset}; + const GPUVAddr address = native + ? (static_cast<u64>(config.reserved[0] & 0xff) << 32) | config.reserved[1] + : base_addr; + env = GraphicsEnvironment{*maxwell3d, *gpu_memory, program, address, start_address}; env.SetCachedSize(shader_infos[index]->size_bytes); result.env_ptrs[env_index++] = &env; } @@ -144,6 +236,15 @@ void ShaderCache::Register(std::unique_ptr<ShaderInfo> data, VAddr addr, size_t void ShaderCache::InvalidatePagesInRegion(VAddr addr, size_t size) { const VAddr addr_end = addr + size; + // Rejected programs are few and in a few places: look at them only for writes that can + // reach them (this runs for every inline upload and pre-draw invalidation). + if (addr_end > rejected_lowest.load(std::memory_order_relaxed) && + addr <= rejected_highest.load(std::memory_order_relaxed)) { + std::scoped_lock lock{rejected_mutex}; + boost::unordered::erase_if(rejected_native, [&](const auto& rejected) { + return rejected.first >= addr && rejected.first < addr_end; + }); + } const u64 page_end = (addr_end + YUZU_PAGESIZE - 1) >> YUZU_PAGEBITS; for (u64 page = addr >> YUZU_PAGEBITS; page < page_end; ++page) { auto it = invalidation_cache.find(page); @@ -241,7 +342,7 @@ const ShaderInfo* ShaderCache::MakeShaderInfo(GenericEnvironment& env, VAddr cpu info->unique_hash = env.CalculateHash(); info->size_bytes = env.ReadSizeBytes(); } - const size_t size_bytes{info->size_bytes}; + const size_t size_bytes{env.SourceSizeBytes() ? env.SourceSizeBytes() : info->size_bytes}; const ShaderInfo* const result{info.get()}; Register(std::move(info), cpu_addr, size_bytes); return result; |
