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

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
View File

@ -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)

1
Source/Core/VideoCommon/Src/VertexLoader.h
View File

@ -119,6 +119,7 @@ private:
void SetVAT(u32 _group0, u32 _group1, u32 _group2);
void CompileVertexTranslator();
void ConvertVertices(int count);
void WriteCall(TPipelineFunction);