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VideoCommon: rewrite frame skipping code

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This commit is contained in:
degasus 2014-09-03 21:49:15 +02:00
parent e1248599eb
commit 8b84ddce9a
8 changed files with 20 additions and 34 deletions
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34
Source/Core/VideoCommon/OpcodeDecoding.cpp
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@ -91,7 +91,7 @@ static u32 InterpretDisplayList(u32 address, u32 size)
Statistics::SwapDL();
u8 *end = g_pVideoData + size;
cycles = OpcodeDecoder_Run(false, end);
cycles = OpcodeDecoder_Run(end);
INCSTAT(stats.thisFrame.numDListsCalled);
// un-swap
@ -146,7 +146,7 @@ static void UnknownOpcode(u8 cmd_byte, void *buffer, bool preprocess)
}
}
static u32 Decode(u8* end, bool skipped_frame)
static u32 Decode(u8* end)
{
u8 *opcodeStart = g_pVideoData;
if (g_pVideoData == end)
@ -221,10 +221,7 @@ static u32 Decode(u8* end, bool skipped_frame)
return 0;
u32 address = DataReadU32();
u32 count = DataReadU32();
if (skipped_frame)
cycles = 45; // xxx
else
cycles = 6 + InterpretDisplayList(address, count);
cycles = 6 + InterpretDisplayList(address, count);
}
break;
@ -261,21 +258,14 @@ static u32 Decode(u8* end, bool skipped_frame)
return 0;
u16 numVertices = DataReadU16();
if (skipped_frame)
if (!VertexLoaderManager::RunVertices(
cmd_byte & GX_VAT_MASK, // Vertex loader index (0 - 7)
(cmd_byte & GX_PRIMITIVE_MASK) >> GX_PRIMITIVE_SHIFT,
numVertices,
end - g_pVideoData,
g_bSkipCurrentFrame))
{
size_t size = numVertices * VertexLoaderManager::GetVertexSize(cmd_byte & GX_VAT_MASK);
if ((size_t) (end - g_pVideoData) < size)
return 0;
DataSkip((u32)size);
}
else
{
if (!VertexLoaderManager::RunVertices(
cmd_byte & GX_VAT_MASK, // Vertex loader index (0 - 7)
(cmd_byte & GX_PRIMITIVE_MASK) >> GX_PRIMITIVE_SHIFT,
numVertices,
end - g_pVideoData))
return 0;
return 0;
}
}
else
@ -311,13 +301,13 @@ void OpcodeDecoder_Shutdown()
{
}
u32 OpcodeDecoder_Run(bool skipped_frame, u8* end)
u32 OpcodeDecoder_Run(u8* end)
{
u32 totalCycles = 0;
while (true)
{
u8* old = g_pVideoData;
u32 cycles = Decode(end, skipped_frame);
u32 cycles = Decode(end);
if (cycles == 0)
{
g_pVideoData = old;