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// Copyright (C) 2003 Dolphin Project.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/
#include <algorithm>
#ifdef _MSC_VER
#include <hash_map>
using stdext::hash_map;
#else
#include <ext/hash_map>
using __gnu_cxx::hash_map;
#endif
#include <map>
#include <vector>
#include "VideoCommon.h"
#include "Statistics.h"
#include "VertexShaderManager.h"
#include "VertexLoader.h"
#include "VertexLoaderManager.h"
static int s_attr_dirty; // bitfield
static VertexLoader *g_VertexLoaders[8];
#ifdef _MSC_VER
namespace stdext {
inline size_t hash_value(const VertexLoaderUID& uid) {
return uid.GetHash();
}
}
#else
namespace __gnu_cxx {
template<> struct hash<VertexLoaderUID> {
size_t operator()(const VertexLoaderUID& uid) const {
return uid.GetHash();
}
};
}
#endif
namespace VertexLoaderManager
{
typedef hash_map<VertexLoaderUID, VertexLoader*> VertexLoaderMap;
static VertexLoaderMap g_VertexLoaderMap;
// TODO - change into array of pointers. Keep a map of all seen so far.
void Init()
{
MarkAllDirty();
for (int i = 0; i < 8; i++)
g_VertexLoaders[i] = NULL;
RecomputeCachedArraybases();
}
void Shutdown()
{
for (VertexLoaderMap::iterator iter = g_VertexLoaderMap.begin(); iter != g_VertexLoaderMap.end(); ++iter)
{
delete iter->second;
}
g_VertexLoaderMap.clear();
}
namespace {
struct entry {
std::string text;
u64 num_verts;
bool operator < (const entry &other) const {
return num_verts > other.num_verts;
}
};
}
void AppendListToString(std::string *dest)
{
std::vector<entry> entries;
size_t total_size = 0;
for (VertexLoaderMap::const_iterator iter = g_VertexLoaderMap.begin(); iter != g_VertexLoaderMap.end(); ++iter)
{
entry e;
iter->second->AppendToString(&e.text);
e.num_verts = iter->second->GetNumLoadedVerts();
entries.push_back(e);
total_size += e.text.size() + 1;
}
sort(entries.begin(), entries.end());
dest->reserve(dest->size() + total_size);
for (std::vector<entry>::const_iterator iter = entries.begin(); iter != entries.end(); ++iter) {
dest->append(iter->text);
}
}
void MarkAllDirty()
{
s_attr_dirty = 0xff;
}
static void RefreshLoader(int vtx_attr_group)
{
if ((s_attr_dirty >> vtx_attr_group) & 1)
{
VertexLoaderUID uid;
uid.InitFromCurrentState(vtx_attr_group);
VertexLoaderMap::iterator iter = g_VertexLoaderMap.find(uid);
if (iter != g_VertexLoaderMap.end())
{
g_VertexLoaders[vtx_attr_group] = iter->second;
}
else
{
VertexLoader *loader = new VertexLoader(g_VtxDesc, g_VtxAttr[vtx_attr_group]);
g_VertexLoaderMap[uid] = loader;
g_VertexLoaders[vtx_attr_group] = loader;
INCSTAT(stats.numVertexLoaders);
}
}
s_attr_dirty &= ~(1 << vtx_attr_group);
}
void RunVertices(int vtx_attr_group, int primitive, int count)
{
if (!count)
return;
RefreshLoader(vtx_attr_group);
g_VertexLoaders[vtx_attr_group]->RunVertices(vtx_attr_group, primitive, count);
}
int GetVertexSize(int vtx_attr_group)
{
RefreshLoader(vtx_attr_group);
return g_VertexLoaders[vtx_attr_group]->GetVertexSize();
}
} // namespace
void LoadCPReg(u32 sub_cmd, u32 value)
{
switch (sub_cmd & 0xF0)
{
case 0x30:
VertexShaderManager::SetTexMatrixChangedA(value);
break;
case 0x40:
VertexShaderManager::SetTexMatrixChangedB(value);
break;
case 0x50:
g_VtxDesc.Hex &= ~0x1FFFF; // keep the Upper bits
g_VtxDesc.Hex |= value;
s_attr_dirty = 0xFF;
break;
case 0x60:
g_VtxDesc.Hex &= 0x1FFFF; // keep the lower 17Bits
g_VtxDesc.Hex |= (u64)value << 17;
s_attr_dirty = 0xFF;
break;
case 0x70:
_assert_((sub_cmd & 0x0F) < 8);
g_VtxAttr[sub_cmd & 7].g0.Hex = value;
s_attr_dirty |= 1 << (sub_cmd & 7);
break;
case 0x80:
_assert_((sub_cmd & 0x0F) < 8);
g_VtxAttr[sub_cmd & 7].g1.Hex = value;
s_attr_dirty |= 1 << (sub_cmd & 7);
break;
case 0x90:
_assert_((sub_cmd & 0x0F) < 8);
g_VtxAttr[sub_cmd & 7].g2.Hex = value;
s_attr_dirty |= 1 << (sub_cmd & 7);
break;
// Pointers to vertex arrays in GC RAM
case 0xA0:
arraybases[sub_cmd & 0xF] = value;
cached_arraybases[sub_cmd & 0xF] = Memory_GetPtr(value);
break;
case 0xB0:
arraystrides[sub_cmd & 0xF] = value & 0xFF;
break;
}
}
void RecomputeCachedArraybases()
{
for (int i = 0; i < 16; i++)
{
cached_arraybases[i] = Memory_GetPtr(arraybases[i]);
}
}
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