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#include "Common.h"
#include "Statistics.h"
#include "OpcodeDecoding.h"
#include "IndexGenerator.h"
#include "VertexShaderManager.h"
#include "PixelShaderManager.h"
#include "NativeVertexFormat.h"
#include "TextureCacheBase.h"
#include "RenderBase.h"
#include "BPStructs.h"
#include "VertexManagerBase.h"
#include "MainBase.h"
#include "VideoConfig.h"
VertexManager *g_vertex_manager;
u8 *VertexManager::s_pCurBufferPointer;
u8 *VertexManager::s_pBaseBufferPointer;
u8 *VertexManager::s_pEndBufferPointer;
VertexManager::VertexManager()
{
LocalVBuffer.resize(MAXVBUFFERSIZE);
s_pCurBufferPointer = s_pBaseBufferPointer = &LocalVBuffer[0];
s_pEndBufferPointer = s_pBaseBufferPointer + LocalVBuffer.size();
TIBuffer.resize(MAXIBUFFERSIZE);
LIBuffer.resize(MAXIBUFFERSIZE);
PIBuffer.resize(MAXIBUFFERSIZE);
ResetBuffer();
}
VertexManager::~VertexManager()
{
}
void VertexManager::ResetBuffer()
{
s_pCurBufferPointer = s_pBaseBufferPointer;
IndexGenerator::Start(GetTriangleIndexBuffer(), GetLineIndexBuffer(), GetPointIndexBuffer());
}
u32 VertexManager::GetRemainingSize()
{
return (u32)(s_pEndBufferPointer - s_pCurBufferPointer);
}
void VertexManager::PrepareForAdditionalData(int primitive, u32 count, u32 stride)
{
u32 const needed_vertex_bytes = count * stride;
if (count > IndexGenerator::GetRemainingIndices() || count > GetRemainingIndices(primitive) || needed_vertex_bytes > GetRemainingSize())
{
Flush();
if(count > IndexGenerator::GetRemainingIndices())
ERROR_LOG(VIDEO, "Too little remaining index values. Use 32-bit or reset them on flush.");
if (count > GetRemainingIndices(primitive))
ERROR_LOG(VIDEO, "VertexManager: Buffer not large enough for all indices! "
"Increase MAXIBUFFERSIZE or we need primitive breaking after all.");
if (needed_vertex_bytes > GetRemainingSize())
ERROR_LOG(VIDEO, "VertexManager: Buffer not large enough for all vertices! "
"Increase MAXVBUFFERSIZE or we need primitive breaking after all.");
}
}
bool VertexManager::IsFlushed() const
{
return s_pBaseBufferPointer == s_pCurBufferPointer;
}
u32 VertexManager::GetRemainingIndices(int primitive)
{
if(g_Config.backend_info.bSupportsPrimitiveRestart)
{
switch (primitive)
{
case GX_DRAW_QUADS:
return (MAXIBUFFERSIZE - IndexGenerator::GetTriangleindexLen()) / 5 * 4;
case GX_DRAW_TRIANGLES:
return (MAXIBUFFERSIZE - IndexGenerator::GetTriangleindexLen()) / 4 * 3;
case GX_DRAW_TRIANGLE_STRIP:
return (MAXIBUFFERSIZE - IndexGenerator::GetTriangleindexLen()) / 1 - 1;
case GX_DRAW_TRIANGLE_FAN:
return (MAXIBUFFERSIZE - IndexGenerator::GetTriangleindexLen()) / 6 * 4 + 1;
case GX_DRAW_LINES:
return (MAXIBUFFERSIZE - IndexGenerator::GetLineindexLen());
case GX_DRAW_LINE_STRIP:
return (MAXIBUFFERSIZE - IndexGenerator::GetLineindexLen()) / 2 + 1;
case GX_DRAW_POINTS:
return (MAXIBUFFERSIZE - IndexGenerator::GetPointindexLen());
default:
return 0;
}
}
else
{
switch (primitive)
{
case GX_DRAW_QUADS:
return (MAXIBUFFERSIZE - IndexGenerator::GetTriangleindexLen()) / 6 * 4;
case GX_DRAW_TRIANGLES:
return (MAXIBUFFERSIZE - IndexGenerator::GetTriangleindexLen());
case GX_DRAW_TRIANGLE_STRIP:
return (MAXIBUFFERSIZE - IndexGenerator::GetTriangleindexLen()) / 3 + 2;
case GX_DRAW_TRIANGLE_FAN:
return (MAXIBUFFERSIZE - IndexGenerator::GetTriangleindexLen()) / 3 + 2;
case GX_DRAW_LINES:
return (MAXIBUFFERSIZE - IndexGenerator::GetLineindexLen());
case GX_DRAW_LINE_STRIP:
return (MAXIBUFFERSIZE - IndexGenerator::GetLineindexLen()) / 2 + 1;
case GX_DRAW_POINTS:
return (MAXIBUFFERSIZE - IndexGenerator::GetPointindexLen());
default:
return 0;
}
}
}
void VertexManager::AddVertices(int primitive, u32 numVertices)
{
if (numVertices <= 0)
return;
ADDSTAT(stats.thisFrame.numPrims, numVertices);
INCSTAT(stats.thisFrame.numPrimitiveJoins);
IndexGenerator::AddIndices(primitive, numVertices);
}
void VertexManager::Flush()
{
if (g_vertex_manager->IsFlushed())
return;
// loading a state will invalidate BP, so check for it
g_video_backend->CheckInvalidState();
VideoFifo_CheckEFBAccess();
// TODO: need to merge more stuff into VideoCommon
g_vertex_manager->vFlush();
g_vertex_manager->ResetBuffer();
}
void VertexManager::DoState(PointerWrap& p)
{
g_vertex_manager->vDoState(p);
}
void VertexManager::DoStateShared(PointerWrap& p)
{
// It seems we half-assume to be flushed here
// We update s_pCurBufferPointer yet don't worry about IndexGenerator's outdated pointers
// and maybe other things are overlooked
p.Do(LocalVBuffer);
p.Do(TIBuffer);
p.Do(LIBuffer);
p.Do(PIBuffer);
s_pBaseBufferPointer = &LocalVBuffer[0];
s_pEndBufferPointer = s_pBaseBufferPointer + LocalVBuffer.size();
p.DoPointer(s_pCurBufferPointer, s_pBaseBufferPointer);
}
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