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converting the last vertices again instead of copying from buffer on buffer split

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for mapping, this buffer must be write only, so we cannot copy anthing.
converting again needs more cpu, but should happen rarely
This commit is contained in:
degasus
2013-02-21 11:36:10 +01:00
parent e9232280c4
commit 7a89faf13f
2 changed files with 36 additions and 28 deletions
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63
Source/Core/VideoCommon/Src/VertexLoader.cpp
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@ -571,7 +571,6 @@ void VertexLoader::RunVertices(int vtx_attr_group, int primitive, int count)
if (remainingVerts < granularity) {
INCSTAT(stats.thisFrame.numBufferSplits);
// This buffer full - break current primitive and flush, to switch to the next buffer.
u8* plastptr = VertexManager::s_pCurBufferPointer;
if (v - startv > 0)
VertexManager::AddVertices(primitive, v - startv + extraverts);
VertexManager::Flush();
@ -581,27 +580,28 @@ void VertexLoader::RunVertices(int vtx_attr_group, int primitive, int count)
case 3: // triangle strip, copy last two vertices
// a little trick since we have to keep track of signs
if (v & 1) {
memcpy_gc(VertexManager::s_pCurBufferPointer, plastptr-2*native_stride, native_stride);
memcpy_gc(VertexManager::s_pCurBufferPointer+native_stride, plastptr-native_stride*2, 2*native_stride);
VertexManager::s_pCurBufferPointer += native_stride*3;
g_pVideoData -= m_VertexSize*2;
ConvertVertices(1);
g_pVideoData -= m_VertexSize;
ConvertVertices(2);
extraverts = 3;
}
else {
memcpy_gc(VertexManager::s_pCurBufferPointer, plastptr-native_stride*2, native_stride*2);
VertexManager::s_pCurBufferPointer += native_stride*2;
g_pVideoData -= m_VertexSize*2;
ConvertVertices(2);
extraverts = 2;
}
break;
case 4: // tri fan, copy first and last vert
memcpy_gc(VertexManager::s_pCurBufferPointer, plastptr-native_stride*(v-startv+extraverts), native_stride);
VertexManager::s_pCurBufferPointer += native_stride;
memcpy_gc(VertexManager::s_pCurBufferPointer, plastptr-native_stride, native_stride);
VertexManager::s_pCurBufferPointer += native_stride;
g_pVideoData -= m_VertexSize*(v-startv+extraverts);
ConvertVertices(1);
g_pVideoData += m_VertexSize*(v-startv+extraverts-2);
ConvertVertices(1);
extraverts = 2;
break;
case 6: // line strip
memcpy_gc(VertexManager::s_pCurBufferPointer, plastptr-native_stride, native_stride);
VertexManager::s_pCurBufferPointer += native_stride;
g_pVideoData -= m_VertexSize*1;
ConvertVertices(1);
extraverts = 1;
break;
default:
@ -615,22 +615,8 @@ void VertexLoader::RunVertices(int vtx_attr_group, int primitive, int count)
if (count - v < remainingVerts)
remainingVerts = count - v;
#ifdef USE_JIT
if (remainingVerts > 0) {
loop_counter = remainingVerts;
((void (*)())(void*)m_compiledCode)();
}
#else
for (int s = 0; s < remainingVerts; s++)
{
tcIndex = 0;
colIndex = 0;
s_texmtxwrite = s_texmtxread = 0;
for (int i = 0; i < m_numPipelineStages; i++)
m_PipelineStages[i]();
PRIM_LOG("\n");
}
#endif
ConvertVertices(remainingVerts);
v += remainingVerts;
}
@ -639,6 +625,27 @@ void VertexLoader::RunVertices(int vtx_attr_group, int primitive, int count)
}
void VertexLoader::ConvertVertices ( int count )
{
#ifdef USE_JIT
if (count > 0) {
loop_counter = count;
((void (*)())(void*)m_compiledCode)();
}
#else
for (int s = 0; s < count; s++)
{
tcIndex = 0;
colIndex = 0;
s_texmtxwrite = s_texmtxread = 0;
for (int i = 0; i < m_numPipelineStages; i++)
m_PipelineStages[i]();
PRIM_LOG("\n");
}
#endif
}
void VertexLoader::RunCompiledVertices(int vtx_attr_group, int primitive, int count, u8* Data)