dolphin/Source/Core/VideoCommon/Src/VertexManagerBase.cpp
degasus 470c9ff08a check for overflow vertex indices, fixes issue 6135
thx @ JMC47 for identifying the reversion, creating a useful bug report with fifo log :-)
2013-03-23 00:18:35 +01:00

278 lines
8.6 KiB
C++

#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 less index values. Use 32bit 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 afterall.");
if (needed_vertex_bytes > GetRemainingSize())
ERROR_LOG(VIDEO, "VertexManager: Buffer not large enough for all vertices! "
"Increase MAXVBUFFERSIZE or we need primitive breaking afterall.");
}
}
bool VertexManager::IsFlushed() const
{
return s_pBaseBufferPointer == s_pCurBufferPointer;
}
u32 VertexManager::GetRemainingIndices(int primitive)
{
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();
g_vertex_manager->vFlush();
g_vertex_manager->ResetBuffer();
}
// TODO: need to merge more stuff into VideoCommon to use this
#if (0)
void VertexManager::Flush()
{
#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.numTexGens,
xfregs.nNumChans, (int)xfregs.bEnableDualTexTransform, bpmem.ztex2.op,
bpmem.blendmode.colorupdate, bpmem.blendmode.alphaupdate, bpmem.zmode.updateenable);
for (int i = 0; i < xfregs.nNumChans; ++i)
{
LitChannel* ch = &xfregs.colChans[i].color;
PRIM_LOG("colchan%d: matsrc=%d, light=0x%x, ambsrc=%d, diffunc=%d, attfunc=%d", i, ch->matsource, ch->GetFullLightMask(), ch->ambsource, ch->diffusefunc, ch->attnfunc);
ch = &xfregs.colChans[i].alpha;
PRIM_LOG("alpchan%d: matsrc=%d, light=0x%x, ambsrc=%d, diffunc=%d, attfunc=%d", i, ch->matsource, ch->GetFullLightMask(), ch->ambsource, ch->diffusefunc, ch->attnfunc);
}
for (int i = 0; i < xfregs.numTexGens; ++i)
{
TexMtxInfo tinfo = xfregs.texcoords[i].texmtxinfo;
if (tinfo.texgentype != XF_TEXGEN_EMBOSS_MAP) tinfo.hex &= 0x7ff;
if (tinfo.texgentype != XF_TEXGEN_REGULAR) tinfo.projection = 0;
PRIM_LOG("txgen%d: proj=%d, input=%d, gentype=%d, srcrow=%d, embsrc=%d, emblght=%d, postmtx=%d, postnorm=%d",
i, tinfo.projection, tinfo.inputform, tinfo.texgentype, tinfo.sourcerow, tinfo.embosssourceshift, tinfo.embosslightshift,
xfregs.texcoords[i].postmtxinfo.index, xfregs.texcoords[i].postmtxinfo.normalize);
}
PRIM_LOG("pixel: tev=%d, ind=%d, texgen=%d, dstalpha=%d, alphafunc=0x%x", bpmem.genMode.numtevstages+1, bpmem.genMode.numindstages,
bpmem.genMode.numtexgens, (u32)bpmem.dstalpha.enable, (bpmem.alpha_test.hex>>16)&0xff);
#endif
u32 usedtextures = 0;
for (u32 i = 0; i < (u32)bpmem.genMode.numtevstages + 1; ++i)
if (bpmem.tevorders[i / 2].getEnable(i & 1))
usedtextures |= 1 << bpmem.tevorders[i/2].getTexMap(i & 1);
if (bpmem.genMode.numindstages > 0)
for (u32 i = 0; i < (u32)bpmem.genMode.numtevstages + 1; ++i)
if (bpmem.tevind[i].IsActive() && bpmem.tevind[i].bt < bpmem.genMode.numindstages)
usedtextures |= 1 << bpmem.tevindref.getTexMap(bpmem.tevind[i].bt);
for (u32 i = 0; i < 8; ++i)
{
if (usedtextures & (1 << i))
{
// TODO:
//glActiveTexture(GL_TEXTURE0 + i);
Renderer::SetSamplerState(i & 3, i >> 2);
FourTexUnits &tex = bpmem.tex[i >> 2];
TCacheEntry::TCacheEntryBase* tentry = TextureCache::Load(i,
(tex.texImage3[i&3].image_base/* & 0x1FFFFF*/) << 5,
tex.texImage0[i&3].width + 1, tex.texImage0[i&3].height + 1,
tex.texImage0[i&3].format, tex.texTlut[i&3].tmem_offset<<9,
tex.texTlut[i&3].tlut_format,
(tex.texMode0[i&3].min_filter & 3) && (tex.texMode0[i&3].min_filter != 8),
(tex.texMode1[i&3].max_lod >> 4));
if (tentry)
{
// 0s are probably for no manual wrapping needed.
PixelShaderManager::SetTexDims(i, tentry->nativeW, tentry->nativeH, 0, 0);
}
else
ERROR_LOG(VIDEO, "error loading texture");
}
}
// set global constants
VertexShaderManager::SetConstants();
PixelShaderManager::SetConstants();
// finally bind
if (false == PixelShaderCache::SetShader(false, g_nativeVertexFmt->m_components))
return;
if (false == VertexShaderCache::SetShader(g_nativeVertexFmt->m_components))
return;
const int stride = g_nativeVertexFmt->GetVertexStride();
//if (g_nativeVertexFmt)
g_nativeVertexFmt->SetupVertexPointers();
g_renderer->ResumePixelPerf(false);
g_vertex_manager->Draw(stride, false);
g_renderer->PausePixelPerf(false);
// run through vertex groups again to set alpha
if (false == g_ActiveConfig.bDstAlphaPass && bpmem.dstalpha.enable && bpmem.blendmode.alphaupdate)
{
if (false == PixelShaderCache::SetShader(true, g_nativeVertexFmt->m_components))
return;
g_vertex_manager->Draw(stride, true);
}
// TODO:
//IndexGenerator::Start(TIBuffer, LIBuffer, PIBuffer);
#if defined(_DEBUG) || defined(DEBUGFAST)
if (g_ActiveConfig.iLog & CONF_SAVESHADERS)
{
// save the shaders
char strfile[255];
sprintf(strfile, "%sps%.3d.txt", File::GetUserPath(D_DUMPFRAMES_IDX).c_str(), g_ActiveConfig.iSaveTargetId);
std::ofstream fps;
OpenFStream(fps, strfile, std::ios_base::out);
fps << ps->strprog.c_str();
sprintf(strfile, "%svs%.3d.txt", File::GetUserPath(D_DUMPFRAMES_IDX).c_str(), g_ActiveConfig.iSaveTargetId);
std::ofstream fvs;
OpenFStream(fvs, strfile, std::ios_base::out);
fvs << vs->strprog.c_str();
}
if (g_ActiveConfig.iLog & CONF_SAVETARGETS)
{
char str[128];
sprintf(str, "%starg%.3d.tga", File::GetUserPath(D_DUMPFRAMES_IDX).c_str(), g_ActiveConfig.iSaveTargetId);
TargetRectangle tr;
tr.left = 0;
tr.right = Renderer::GetTargetWidth();
tr.top = 0;
tr.bottom = Renderer::GetTargetHeight();
Renderer::SaveRenderTarget(str, tr);
}
#endif
++g_Config.iSaveTargetId;
}
#endif
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);
}