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GPU: Okay, so fix another potential bug with main memory display mode in 15-bit since the evaluation order of function parameters is not guaranteed across different compilers. (In this particular case, the evaluation order is actually important.)

This commit is contained in:
rogerman 2018-10-27 19:49:24 -07:00
parent fb7dbca344
commit 79687d3031
1 changed files with 5 additions and 1 deletions
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6
desmume/src/GPU.cpp
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@ -7956,7 +7956,11 @@ void GPUEngineA::_HandleDisplayModeMainMemory(const size_t l)
const __m128i alphaBit = _mm_set1_epi16(0x8000); const __m128i alphaBit = _mm_set1_epi16(0x8000);
for (size_t i = 0; i < GPU_FRAMEBUFFER_NATIVE_WIDTH * sizeof(u16) / sizeof(__m128i); i++) for (size_t i = 0; i < GPU_FRAMEBUFFER_NATIVE_WIDTH * sizeof(u16) / sizeof(__m128i); i++)
{ {
const __m128i fifoColor = _mm_setr_epi32(DISP_FIFOrecv(), DISP_FIFOrecv(), DISP_FIFOrecv(), DISP_FIFOrecv()); const u32 srcA = DISP_FIFOrecv();
const u32 srcB = DISP_FIFOrecv();
const u32 srcC = DISP_FIFOrecv();
const u32 srcD = DISP_FIFOrecv();
const __m128i fifoColor = _mm_setr_epi32(srcA, srcB, srcC, srcD);
_mm_store_si128((__m128i *)dst + i, _mm_or_si128(fifoColor, alphaBit)); _mm_store_si128((__m128i *)dst + i, _mm_or_si128(fifoColor, alphaBit));
} }
#else #else