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Cleanup some audio system code

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This commit is contained in:
Dr. Chat
2015-05-19 21:52:21 -05:00
parent 721974185f
commit 38918c86a8
3 changed files with 94 additions and 80 deletions
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26
src/xenia/apu/audio_system.cc
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@@ -295,16 +295,20 @@ void AudioSystem::WriteRegister(uint32_t addr, uint64_t value) {
uint32_t guest_ptr =
registers_.xma_context_array_ptr + context_id * kXmaContextSize;
auto context_ptr = memory()->TranslateVirtual(guest_ptr);
uint32_t dword0 = xe::load_and_swap<uint32_t>(context_ptr + 0);
bool has_valid_input = (dword0 & 0x00300000) != 0;
XMAContextData data(context_ptr);
bool has_valid_input = data.input_buffer_0_valid ||
data.input_buffer_1_valid;
if (has_valid_input) {
dword0 = dword0 & ~0x00300000;
xe::store_and_swap<uint32_t>(context_ptr + 0, dword0);
// Invalidate the buffers.
data.input_buffer_0_valid = 0;
data.input_buffer_1_valid = 0;
// Set output buffer to invalid.
uint32_t dword1 = xe::load_and_swap<uint32_t>(context_ptr + 4);
dword1 = dword1 & ~0x80000000;
xe::store_and_swap<uint32_t>(context_ptr + 4, dword1);
data.output_buffer_valid = false;
}
data.Store(context_ptr);
}
value >>= 1;
}
@@ -327,6 +331,14 @@ void AudioSystem::WriteRegister(uint32_t addr, uint64_t value) {
uint32_t context_id = i + (r - 0x1A80) / 4 * 32;
XELOGAPU("AudioSystem: reset context %d", context_id);
// TODO(benvanik): something?
uint32_t guest_ptr =
registers_.xma_context_array_ptr + context_id * kXmaContextSize;
auto context_ptr = memory()->TranslateVirtual(guest_ptr);
XMAContextData data(context_ptr);
data.Store(context_ptr);
}
value >>= 1;
}