mirror of
https://github.com/Dingo-Shenanigans/ReSkate.git
synced 2026-10-24 17:06:17 +02:00
141 lines
8.2 KiB
C++
141 lines
8.2 KiB
C++
// Reviewed native contract for supported_build::game_sha256 (September 29 2026).
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// These are the complete instructions changed by the render-resource pool
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// redirect. Keeping the before and after bytes together makes partial opcode
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// patches impossible.
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#pragma once
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#include <array>
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#include <cstddef>
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#include <cstdint>
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#include <span>
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namespace dingosdk::game::build::v20260929::render_resource_pool {
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template<std::size_t N> consteval auto hex_bytes(const char (&hex)[N]) {
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static_assert(N % 2 == 1);
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std::array<std::uint8_t, (N - 1) / 2> result{};
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const auto nibble = [](char value) -> unsigned {
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if (value >= '0' && value <= '9') return static_cast<unsigned>(value - '0');
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if (value >= 'a' && value <= 'f') return static_cast<unsigned>(value - 'a' + 10);
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throw "Invalid native render-resource contract hex";
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};
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for (std::size_t index = 0; index < result.size(); ++index)
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result[index] = static_cast<std::uint8_t>(
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(nibble(hex[index * 2]) << 4) | nibble(hex[index * 2 + 1]));
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return result;
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}
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inline constexpr auto constructor_entry = hex_bytes(
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"48895c2410488974241855574156488d6c24a04881ec60010000488b059f5034");
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inline constexpr auto index_table_constructor_entry = hex_bytes(
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"4053555657415641574883ec78c5f9efc033ed488bf948896c2428488d4c2440");
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inline constexpr auto vector_begin_before = hex_bytes("488d81b0000000");
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inline constexpr auto vector_begin_after = hex_bytes("488b8190000000");
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inline constexpr auto vector_bytes_before = hex_bytes("480500001e00");
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inline constexpr auto vector_bytes_after = hex_bytes("48050000f000");
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inline constexpr auto capacity_before = hex_bytes("81fa00200000");
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inline constexpr auto capacity_after = hex_bytes("81fa00000100");
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inline constexpr auto append_metadata_before = hex_bytes("8bc941c7848f80032d00f0237449");
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inline constexpr auto append_metadata_after = hex_bytes("498b9728ae1a01c7048af0237449");
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inline constexpr auto view_begin_before = hex_bytes("498d9680032d00");
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inline constexpr auto view_begin_after = hex_bytes("498b9628ae1a01");
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inline constexpr auto view_end_before = hex_bytes("488d8a00800000");
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inline constexpr auto view_end_after = hex_bytes("498b8e30ae1a01");
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inline constexpr auto view_store_end_before = hex_bytes("498d8680832d00");
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inline constexpr auto view_store_end_after = hex_bytes("498b8630ae1a01");
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inline constexpr auto metadata_init_end_before = hex_bytes("488d8780832d00");
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inline constexpr auto metadata_init_end_after = hex_bytes("488b8730ae1a01");
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inline constexpr auto metadata_init_begin_before = hex_bytes("488d9780032d00");
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inline constexpr auto metadata_init_begin_after = hex_bytes("488b9728ae1a01");
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inline constexpr auto metadata_init_loop_end_before = hex_bytes("488d8a00800000");
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inline constexpr auto metadata_init_loop_end_after = hex_bytes("488b8f30ae1a01");
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inline constexpr auto resource_state_begin_before = hex_bytes("498d4618");
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inline constexpr auto resource_state_begin_after = hex_bytes("498b0690");
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inline constexpr auto resource_state_bytes_before = hex_bytes("48050000e700");
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inline constexpr auto resource_state_bytes_after = hex_bytes("480500003807");
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inline constexpr auto resource_state_count_before = hex_bytes("bd00200000");
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inline constexpr auto resource_state_count_after = hex_bytes("bd00000100");
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inline constexpr auto resource_state_end_add_before = hex_bytes("4881c30000e700");
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inline constexpr auto resource_state_end_add_after = hex_bytes("4881c300003807");
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inline constexpr auto resource_state_end_store_before = hex_bytes("48050000e700");
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inline constexpr auto resource_state_end_store_after = hex_bytes("480500003807");
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inline constexpr auto relation_masks_begin_before = hex_bytes("498d4718");
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inline constexpr auto relation_masks_begin_after = hex_bytes("498b0790");
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inline constexpr auto relation_masks_bytes_before = hex_bytes("480500000600");
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inline constexpr auto relation_masks_bytes_after = hex_bytes("480500003000");
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inline constexpr auto relation_masks_end_before = hex_bytes("498d8000000600");
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inline constexpr auto relation_masks_end_after = hex_bytes("498d8000003000");
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inline constexpr auto resource_lookup_clamp_before = hex_bytes("b9ff1f0000");
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inline constexpr auto resource_lookup_clamp_after = hex_bytes("b9ffff0000");
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inline constexpr auto resource_flags_fill_before = hex_bytes("4881c180800400");
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inline constexpr auto resource_flags_fill_after = hex_bytes("488b8930abf100");
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inline constexpr auto resource_flags_read_priority = hex_bytes("430fb6840180832d00");
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inline constexpr auto resource_flags_read_visibility = hex_bytes("0fb6940f80832d00");
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struct Patch {
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std::uintptr_t rva;
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std::span<const std::uint8_t> expected;
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std::span<const std::uint8_t> replacement;
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};
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// Renderer owner fields the redirected instructions above address.
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inline constexpr std::ptrdiff_t vector_begin_offset = 0x90;
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inline constexpr std::ptrdiff_t vector_end_offset = 0x98;
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inline constexpr std::ptrdiff_t vector_capacity_offset = 0xa0;
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inline constexpr std::ptrdiff_t metadata_begin_offset = 0x11aae28;
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inline constexpr std::ptrdiff_t metadata_end_offset = 0x11aae30;
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inline constexpr std::ptrdiff_t resource_state_vector_offset = 0x2da920;
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inline constexpr std::ptrdiff_t relation_mask_vector_offset = 0x114ab60;
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inline constexpr std::uintptr_t constructor_rva = 0x03e7f300;
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inline constexpr std::uintptr_t index_table_constructor_rva = 0x03e7e400;
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inline constexpr std::uintptr_t resource_flags_priority_rva = 0x03f56073;
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inline constexpr std::uintptr_t resource_flags_visibility_rva = 0x03f5789a;
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inline constexpr Patch patches[]{
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{0x03e7f33c, vector_begin_before, vector_begin_after},
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{0x03e7f351, vector_bytes_before, vector_bytes_after},
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{0x03e94e99, capacity_before, capacity_after},
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{0x03e94fe6, append_metadata_before, append_metadata_after},
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{0x030e6bff, view_begin_before, view_begin_after},
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{0x030e6c0d, view_end_before, view_end_after},
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{0x030e6c1b, view_store_end_before, view_store_end_after},
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{0x03f3f007, metadata_init_end_before, metadata_init_end_after},
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{0x03f3f058, metadata_init_begin_before, metadata_init_begin_after},
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{0x03f3f05f, metadata_init_loop_end_before, metadata_init_loop_end_after},
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{0x03f33b3f, resource_state_begin_before, resource_state_begin_after},
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{0x03f33b5c, resource_state_bytes_before, resource_state_bytes_after},
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// The native constructor sizes and constructs both synchronized arrays to
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// 8,192 entries after assigning their storage. Capacity alone is not
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// sufficient: high resource IDs would otherwise reach reserved but
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// unconstructed 0x738-byte state records.
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{0x03f33d9e, resource_state_count_before, resource_state_count_after},
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{0x03f33dce, resource_state_end_add_before, resource_state_end_add_after},
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{0x03f33df7, resource_state_end_store_before, resource_state_end_store_after},
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{0x03f33ba2, relation_masks_begin_before, relation_masks_begin_after},
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{0x03f33bad, relation_masks_bytes_before, relation_masks_bytes_after},
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{0x03f33ec1, relation_masks_end_before, relation_masks_end_after},
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// A render-worker lookup independently clamps the 16-bit resource ID
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// before indexing the state vector. Keep that ID paired with the raw ID
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// consumed by the following routine instead of folding 0x2000+ entries
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// onto stock slot 0x1fff.
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{0x03f60237, resource_lookup_clamp_before, resource_lookup_clamp_after},
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// The fill helper receives owner+0x290410. The replacement loads the
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// metadata end pointer at owner+0x11ab400, which is also the beginning of
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// the adjacent external per-resource byte flags.
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{0x03e898f3, resource_flags_fill_before, resource_flags_fill_after},
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};
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// Generated resource-flag stubs: the replaced priority/visibility reads, now
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// loading the external flag array from the metadata end pointer.
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inline constexpr std::array<std::uint8_t, 12> priority_stub_prefix{
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0x49, 0x8b, 0x80, 0x30, 0xae, 0x1a, 0x01, // mov rax,[r8+0x11ab400]
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0x42, 0x0f, 0xb6, 0x04, 0x08 // movzx eax,byte ptr [rax+r9]
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};
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inline constexpr std::array<std::uint8_t, 11> visibility_stub_prefix{
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0x48, 0x8b, 0x97, 0x30, 0xae, 0x1a, 0x01, // mov rdx,[rdi+0x11ab400]
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0x0f, 0xb6, 0x14, 0x0a // movzx edx,byte ptr [rdx+rcx]
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};
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} // namespace dingosdk::game::build::v20260929::render_resource_pool
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