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[shader_env] add termination detection for MESA nv50_ir like homebrews

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This commit is contained in:
xbzk 2026-05-25 17:26:24 -03:00
parent 8aff934778
commit f9af788554
1 changed files with 6 additions and 0 deletions
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6
src/video_core/shader_environment.cpp
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@ -254,6 +254,9 @@ std::optional<u64> GenericEnvironment::TryFindSize() {
static constexpr u64 SELF_BRANCH_A = 0xE2400FFFFF87000FULL;
static constexpr u64 SELF_BRANCH_B = 0xE2400FFFFF07000FULL;
static constexpr u64 MESA_EXIT_MASK = 0xFFF00000000F001FULL;
static constexpr u64 MESA_EXIT_VALUE = (0xE30ULL << 52) | (0x7ULL << 16) | 0xFULL;
GPUVAddr guest_addr{program_base + start_address};
size_t offset{0};
size_t size{BLOCK_SIZE};
@ -266,6 +269,9 @@ std::optional<u64> GenericEnvironment::TryFindSize() {
if (inst == SELF_BRANCH_A || inst == SELF_BRANCH_B) {
return offset + index;
}
if ((inst & MESA_EXIT_MASK) == MESA_EXIT_VALUE) {
return offset + index + INST_SIZE;
}
}
guest_addr += BLOCK_SIZE;
size += BLOCK_SIZE;