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shader: cache registered code identities instead of parsing legacy footers

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Co-authored-by: Mac <me@itsmemac.com>
Co-authored-by: Senaxx <michelbeld@gmail.com>
This commit is contained in:
nmzik
2026-10-01 02:34:51 +04:00
parent c2f8e64f6d
commit 0ecd32299c
2 changed files with 49 additions and 70 deletions
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tests/shaderCfgTests.cpp
+21 -4
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@@ -13503,11 +13503,11 @@ void TestPixelProgramCacheBindingIdentity() {
Check(MakeStageStaticKey(no_depth_export) != MakeStageStaticKey(depth_export),
"pixel shader identity omitted depth-export semantics");
auto check_program_identity = [&](const uint32_t *shader) {
auto check_program_identity = [&](std::span<const uint32_t> shader) {
HW::PixelShaderInfo regs{};
regs.ps_regs.data_addr = reinterpret_cast<uint64_t>(shader);
regs.ps_regs.data_addr = reinterpret_cast<uint64_t>(shader.data());
ShaderMappedData mapped{};
mapped.code_size_bytes = sizeof(uint32_t);
mapped.code_size_bytes = static_cast<uint32_t>(shader.size_bytes());
ShaderMapUserData(regs.ps_regs.data_addr, mapped);
const std::array<Prospero::ColorComponentMapping, 8> identity_mappings{};
@@ -13522,7 +13522,8 @@ void TestPixelProgramCacheBindingIdentity() {
second_info);
CompilePixelRuntime(second_params, second_info);
Check(
first_params.hash == second_params.hash &&
first_params.hash == XXH3_64bits(shader.data(), shader.size_bytes()) &&
first_params.hash == second_params.hash &&
first_key == MakeStageStaticKey(second_info) &&
first_info.stage.program != nullptr &&
second_info.stage.program != nullptr,
@@ -13535,6 +13536,22 @@ void TestPixelProgramCacheBindingIdentity() {
Check(request_01 == request_10,
"relocated identical pixel programs did not share their source identity");
// Identical metadata after the scalar-literal prefix must not mask changes
// to the executable code when computing program identity.
std::array<uint32_t, 200> shader{};
shader[0] = 0xbeeb03ffu;
shader[1] = 0x5fu;
shader[2] = EncodeSMovB32(0, 129);
shader[3] = EncodeSopp(0x01);
shader[192] = 0x65726162u;
shader[193] = 0x746f6f66u;
shader[196] = 0x12345678u;
shader[197] = 0x9abcdef0u;
const auto first = check_program_identity(shader);
shader[2] = EncodeSMovB32(0, 130);
Check(check_program_identity(shader).first != first.first,
"re-registering changed code at the same address reused its old identity");
}
void TestGraphicsPushConstantPlacement() {