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Micro-optimization: Don't need to check drawcalls for 0. Extract shared expression. Yes I checked assembly.

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Henrik Rydgård 2023-10-01 14:10:02 +02:00
parent 52ad0d0335
commit a2fe906534
2 changed files with 4 additions and 10 deletions
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2
GPU/GPUCommon.cpp
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@ -1944,7 +1944,7 @@ bool GPUCommon::DescribeCodePtr(const u8 *ptr, std::string &name) {
void GPUCommon::UpdateUVScaleOffset() {
#ifdef _M_SSE
__m128i values = _mm_slli_epi32(_mm_load_si128((const __m128i *) & gstate.texscaleu), 8);
__m128i values = _mm_slli_epi32(_mm_load_si128((const __m128i *)&gstate.texscaleu), 8);
_mm_storeu_si128((__m128i *)&gstate_c.uv, values);
#elif PPSSPP_ARCH(ARM_NEON)
const uint32x4_t values = vshlq_n_u32(vld1q_u32((const u32 *)&gstate.texscaleu), 8);

12
GPU/GPUCommonHW.cpp
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@ -949,8 +949,6 @@ void GPUCommonHW::Execute_Prim(u32 op, u32 diff) {
}
u32 count = op & 0xFFFF;
if (count == 0)
return;
// Must check this after SetRenderFrameBuffer so we know SKIPDRAW_NON_DISPLAYED_FB.
if (gstate_c.skipDrawReason & (SKIPDRAW_SKIPFRAME | SKIPDRAW_NON_DISPLAYED_FB)) {
@ -1017,11 +1015,6 @@ void GPUCommonHW::Execute_Prim(u32 op, u32 diff) {
case GE_CMD_PRIM:
{
u32 count = data & 0xFFFF;
if (count == 0) {
// Ignore.
break;
}
GEPrimitiveType newPrim = static_cast<GEPrimitiveType>((data >> 16) & 7);
SetDrawType(DRAW_PRIM, newPrim);
// TODO: more efficient updating of verts/inds
@ -1151,8 +1144,9 @@ bail:
}
}
gpuStats.vertexGPUCycles += vertexCost_ * totalVertCount;
cyclesExecuted += vertexCost_ * totalVertCount;
int cycles = vertexCost_ * totalVertCount;
gpuStats.vertexGPUCycles += cycles;
cyclesExecuted += cycles;
}
void GPUCommonHW::Execute_Bezier(u32 op, u32 diff) {