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rsx: Fix NOP shader passing

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- NOP shaders are used to stub rendering when a pass is supposed to be disabled
This commit is contained in:
kd-11 2020-05-10 20:14:58 +03:00 committed by kd-11
parent bd61347b21
commit 79e2a87bc5
2 changed files with 7 additions and 1 deletions
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7
rpcs3/Emu/RSX/Common/ProgramStateCache.cpp
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@ -340,6 +340,8 @@ fragment_program_utils::fragment_program_metadata fragment_program_utils::analys
// Check for opcode high bit which indicates a branch instructions (opcode 0x40...0x45)
if (inst._u32[2] & (1 << 23))
{
// NOTE: Jump instructions are not yet proved to work outside of loops and if/else blocks
// Otherwise we would need to follow the execution chain
result.has_branch_instructions = true;
}
else
@ -348,7 +350,9 @@ fragment_program_utils::fragment_program_metadata fragment_program_utils::analys
if (opcode)
{
if (result.program_start_offset == umax)
{
result.program_start_offset = index * 16;
}
switch (opcode)
{
@ -402,7 +406,8 @@ fragment_program_utils::fragment_program_metadata fragment_program_utils::analys
if (result.program_start_offset == umax)
{
result.program_start_offset = index * 16;
result.program_constants_buffer_length = 16;
result.program_ucode_length = 16;
result.is_nop_shader = true;
}
break;

1
rpcs3/Emu/RSX/Common/ProgramStateCache.h
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@ -53,6 +53,7 @@ namespace program_hash_util
bool has_pack_instructions;
bool has_branch_instructions;
bool is_nop_shader; // Does this affect Z-pass testing???
};
/**