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implement some code to reduce the amounts of calls to setup vertex format, in d3d9 it gives no noticeable speedup, in opengl it still does not work right.

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thanks to neobrain for the idea
This commit is contained in:
rodolfoosvaldobogado
2012-10-26 23:18:09 -03:00
parent eaa1ea71c1
commit ee72852491
9 changed files with 305 additions and 110 deletions
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96
Source/Plugins/Plugin_VideoOGL/Src/VertexManager.cpp
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@ -114,8 +114,9 @@ void VertexManager::CreateDeviceObjects()
m_buffers_count = MAX_VBUFFER_COUNT;
m_current_index_buffer = 0;
m_current_vertex_buffer = 0;
m_index_buffer_cursor = 0;
m_vertex_buffer_cursor = 0;
m_index_buffer_cursor = m_index_buffer_size;
m_vertex_buffer_cursor = m_vertex_buffer_size;
m_CurrentVertexFmt = NULL;
}
void VertexManager::DestroyDeviceObjects()
{
@ -153,18 +154,20 @@ void VertexManager::PrepareDrawBuffers(u32 stride)
int line_index_size = IndexGenerator::GetLineindexLen() * sizeof(u16);
int point_index_size = IndexGenerator::GetPointindexLen() * sizeof(u16);
int index_data_size = triangle_index_size + line_index_size + point_index_size;
GLbitfield LockMode = GL_MAP_WRITE_BIT;
GLbitfield LockMode = GL_MAP_WRITE_BIT;
m_vertex_buffer_cursor--;
m_vertex_buffer_cursor = m_vertex_buffer_cursor - (m_vertex_buffer_cursor % stride) + stride;
if (m_vertex_buffer_cursor > m_vertex_buffer_size - vertex_data_size)
{
LockMode |= GL_MAP_INVALIDATE_BUFFER_BIT;
m_vertex_buffer_cursor = 0;
m_current_vertex_buffer = (m_current_vertex_buffer + 1) % m_buffers_count;
glBindBuffer(GL_ARRAY_BUFFER, m_vertex_buffers[m_current_vertex_buffer]);
}
else
{
LockMode |= GL_MAP_INVALIDATE_RANGE_BIT | GL_MAP_UNSYNCHRONIZED_BIT;
}
glBindBuffer(GL_ARRAY_BUFFER, m_vertex_buffers[m_current_vertex_buffer]);
}
if(GLEW_ARB_map_buffer_range)
{
pVertices = (u8*)glMapBufferRange(GL_ARRAY_BUFFER, m_vertex_buffer_cursor, vertex_data_size, LockMode);
@ -189,13 +192,13 @@ void VertexManager::PrepareDrawBuffers(u32 stride)
{
LockMode |= GL_MAP_INVALIDATE_BUFFER_BIT;
m_index_buffer_cursor = 0;
m_current_index_buffer = (m_current_index_buffer + 1) % m_buffers_count;
m_current_index_buffer = (m_current_index_buffer + 1) % m_buffers_count;
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_index_buffers[m_current_index_buffer]);
}
else
{
LockMode |= GL_MAP_INVALIDATE_RANGE_BIT | GL_MAP_UNSYNCHRONIZED_BIT;
}
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_index_buffers[m_current_index_buffer]);
}
if(GLEW_ARB_map_buffer_range)
{
pIndices = (u16*)glMapBufferRange(GL_ELEMENT_ARRAY_BUFFER, m_index_buffer_cursor , index_data_size, LockMode);
@ -279,11 +282,33 @@ void VertexManager::DrawVertexBufferObject()
}
}
void VertexManager::DrawVertexBufferObjectBase(u32 stride)
{
int triangle_index_size = IndexGenerator::GetTriangleindexLen();
int line_index_size = IndexGenerator::GetLineindexLen();
int point_index_size = IndexGenerator::GetPointindexLen();
int StartIndex = m_index_buffer_cursor;
if (triangle_index_size > 0)
{
glDrawElementsBaseVertex(GL_TRIANGLES, triangle_index_size, GL_UNSIGNED_SHORT, (GLvoid*)StartIndex, m_vertex_buffer_cursor / stride);
INCSTAT(stats.thisFrame.numIndexedDrawCalls);
}
if (line_index_size > 0)
{
StartIndex += triangle_index_size * sizeof(u16);
glDrawElementsBaseVertex(GL_LINES, line_index_size, GL_UNSIGNED_SHORT, (GLvoid*)StartIndex, m_vertex_buffer_cursor / stride);
INCSTAT(stats.thisFrame.numIndexedDrawCalls);
}
if (point_index_size > 0)
{
StartIndex += line_index_size * sizeof(u16);
glDrawElementsBaseVertex(GL_POINTS, point_index_size, GL_UNSIGNED_SHORT, (GLvoid*)StartIndex, m_vertex_buffer_cursor / stride);
INCSTAT(stats.thisFrame.numIndexedDrawCalls);
}
}
void VertexManager::vFlush()
{
if (LocalVBuffer == s_pCurBufferPointer) return;
if (Flushed) return;
Flushed=true;
VideoFifo_CheckEFBAccess();
#if defined(_DEBUG) || defined(DEBUGFAST)
PRIM_LOG("frame%d:\n texgen=%d, numchan=%d, dualtex=%d, ztex=%d, cole=%d, alpe=%d, ze=%d", g_ActiveConfig.iSaveTargetId, xfregs.numTexGen.numTexGens,
@ -318,13 +343,18 @@ void VertexManager::vFlush()
u32 stride = g_nativeVertexFmt->GetVertexStride();
PrepareDrawBuffers(stride);
if(m_buffers_count)
//still testing if this line is enabled to reduce the amount of vertex setup call everything goes wrong
//if(m_CurrentVertexFmt != g_nativeVertexFmt || !GLEW_ARB_draw_elements_base_vertex )
{
((GLVertexFormat*)g_nativeVertexFmt)->SetupVertexPointersOffset(m_vertex_buffer_cursor);
}
else
{
g_nativeVertexFmt->SetupVertexPointers();
if(m_buffers_count)
{
((GLVertexFormat*)g_nativeVertexFmt)->SetupVertexPointersOffset(GLEW_ARB_draw_elements_base_vertex ? 0 : m_vertex_buffer_cursor);
}
else
{
g_nativeVertexFmt->SetupVertexPointers();
}
m_CurrentVertexFmt = g_nativeVertexFmt;
}
GL_REPORT_ERRORD();
@ -402,7 +432,21 @@ void VertexManager::vFlush()
if (ps) PixelShaderCache::SetCurrentShader(ps->glprogid); // Lego Star Wars crashes here.
if (vs) VertexShaderCache::SetCurrentShader(vs->glprogid);
if(m_buffers_count) { DrawVertexBufferObject(); }else{ DrawVertexArray();};
if(m_buffers_count)
{
if(GLEW_ARB_draw_elements_base_vertex)
{
DrawVertexBufferObjectBase(stride);
}
else
{
DrawVertexBufferObject();
}
}
else
{
DrawVertexArray();
}
// run through vertex groups again to set alpha
if (useDstAlpha && !dualSourcePossible)
@ -415,7 +459,21 @@ void VertexManager::vFlush()
glDisable(GL_BLEND);
if(m_buffers_count) { DrawVertexBufferObject(); }else{ DrawVertexArray();};
if(m_buffers_count)
{
if(GLEW_ARB_draw_elements_base_vertex)
{
DrawVertexBufferObjectBase(stride);
}
else
{
DrawVertexBufferObject();
}
}
else
{
DrawVertexArray();
}
// restore color mask
g_renderer->SetColorMask();