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qwertyquerty
5fee2ac628
* optimize fifo with realloc and remove double lookups * bp cache, xf cache, and last pipeline ref cache * remove double lookup from find/try_emplace * change name * Move xfRegCache * Update gx_test_stubs.cpp --------- Co-authored-by: Luke Street <luke@street.dev>
77 lines
2.1 KiB
C++
77 lines
2.1 KiB
C++
#include "fifo.hpp"
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#include "command_processor.hpp"
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#include "../internal.hpp"
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#include <cstdlib>
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#include <cstring>
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namespace aurora::gx::fifo {
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static Module Log("aurora::gx::fifo");
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namespace detail {
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uint8_t* sBufferData = nullptr;
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uint32_t sBufferSize = 0;
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uint32_t sBufferCapacity = 0;
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bool sInDisplayList = false;
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uint8_t* sDlBuffer = nullptr;
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uint32_t sDlSize = 0;
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uint32_t sDlWritePos = 0;
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} // namespace detail
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void init() {
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constexpr uint32_t initialCapacity = 64 * 1024;
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free(detail::sBufferData);
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detail::sBufferData = static_cast<uint8_t*>(malloc(initialCapacity));
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detail::sBufferSize = 0;
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detail::sBufferCapacity = initialCapacity;
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detail::sInDisplayList = false;
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detail::sDlBuffer = nullptr;
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detail::sDlSize = 0;
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detail::sDlWritePos = 0;
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}
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void write_data_grow(const void* data, uint32_t length) {
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uint32_t needed = detail::sBufferSize + length;
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uint32_t newCap = std::max(detail::sBufferCapacity * 2, needed);
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detail::sBufferData = static_cast<uint8_t*>(realloc(detail::sBufferData, newCap));
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std::memcpy(detail::sBufferData + detail::sBufferSize, data, length);
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detail::sBufferSize = needed;
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detail::sBufferCapacity = newCap;
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}
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void begin_display_list(uint8_t* buf, uint32_t size) {
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detail::sInDisplayList = true;
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detail::sDlBuffer = buf;
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detail::sDlSize = size;
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detail::sDlWritePos = 0;
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}
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uint32_t end_display_list() {
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detail::sInDisplayList = false;
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uint32_t bytesWritten = detail::sDlWritePos;
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uint32_t padded = (bytesWritten + 31) & ~31u;
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while (detail::sDlWritePos < padded && detail::sDlWritePos < detail::sDlSize) {
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detail::sDlBuffer[detail::sDlWritePos++] = 0;
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}
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detail::sDlBuffer = nullptr;
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detail::sDlSize = 0;
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detail::sDlWritePos = 0;
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return padded;
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}
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bool in_display_list() { return detail::sInDisplayList; }
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void drain() {
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if (detail::sBufferSize == 0) {
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return;
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}
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process(detail::sBufferData, detail::sBufferSize, true);
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detail::sBufferSize = 0;
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}
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const uint8_t* get_buffer_data() { return detail::sBufferData; }
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uint32_t get_buffer_size() { return detail::sBufferSize; }
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void clear_buffer() { detail::sBufferSize = 0; }
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} // namespace aurora::gx::fifo
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