mirror of
https://github.com/dolphin-emu/dolphin.git
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262 lines
7.7 KiB
C++
262 lines
7.7 KiB
C++
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#include "Common.h"
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#include "Statistics.h"
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#include "OpcodeDecoding.h"
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#include "IndexGenerator.h"
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#include "VertexShaderManager.h"
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#include "PixelShaderManager.h"
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#include "NativeVertexFormat.h"
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#include "TextureCacheBase.h"
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#include "RenderBase.h"
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#include "BPStructs.h"
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#include "XFMemory.h"
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#include "VertexManagerBase.h"
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#include "MainBase.h"
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#include "VideoConfig.h"
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VertexManager *g_vertex_manager;
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u8 *VertexManager::s_pCurBufferPointer;
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u8 *VertexManager::s_pBaseBufferPointer;
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u8 *VertexManager::s_pEndBufferPointer;
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PrimitiveType VertexManager::current_primitive_type;
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static const PrimitiveType primitive_from_gx[8] = {
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PRIMITIVE_TRIANGLES, // GX_DRAW_QUADS
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PRIMITIVE_TRIANGLES, // GX_DRAW_NONE
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PRIMITIVE_TRIANGLES, // GX_DRAW_TRIANGLES
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PRIMITIVE_TRIANGLES, // GX_DRAW_TRIANGLE_STRIP
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PRIMITIVE_TRIANGLES, // GX_DRAW_TRIANGLE_FAN
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PRIMITIVE_LINES, // GX_DRAW_LINES
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PRIMITIVE_LINES, // GX_DRAW_LINE_STRIP
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PRIMITIVE_POINTS, // GX_DRAW_POINTS
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};
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VertexManager::VertexManager()
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{
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LocalVBuffer.resize(MAXVBUFFERSIZE);
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s_pCurBufferPointer = s_pBaseBufferPointer = &LocalVBuffer[0];
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s_pEndBufferPointer = s_pBaseBufferPointer + LocalVBuffer.size();
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LocalIBuffer.resize(MAXIBUFFERSIZE);
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ResetBuffer();
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}
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VertexManager::~VertexManager()
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{
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}
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void VertexManager::ResetBuffer()
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{
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s_pCurBufferPointer = s_pBaseBufferPointer;
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IndexGenerator::Start(GetIndexBuffer());
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}
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u32 VertexManager::GetRemainingSize()
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{
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return (u32)(s_pEndBufferPointer - s_pCurBufferPointer);
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}
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void VertexManager::PrepareForAdditionalData(int primitive, u32 count, u32 stride)
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{
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u32 const needed_vertex_bytes = count * stride;
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// We can't merge different kinds of primitives, so we have to flush here
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if (current_primitive_type != primitive_from_gx[primitive])
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Flush();
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current_primitive_type = primitive_from_gx[primitive];
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// Check for size in buffer, if the buffer gets full, call Flush()
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if (count > IndexGenerator::GetRemainingIndices() || count > GetRemainingIndices(primitive) || needed_vertex_bytes > GetRemainingSize())
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{
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Flush();
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if(count > IndexGenerator::GetRemainingIndices())
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ERROR_LOG(VIDEO, "Too little remaining index values. Use 32-bit or reset them on flush.");
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if (count > GetRemainingIndices(primitive))
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ERROR_LOG(VIDEO, "VertexManager: Buffer not large enough for all indices! "
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"Increase MAXIBUFFERSIZE or we need primitive breaking after all.");
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if (needed_vertex_bytes > GetRemainingSize())
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ERROR_LOG(VIDEO, "VertexManager: Buffer not large enough for all vertices! "
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"Increase MAXVBUFFERSIZE or we need primitive breaking after all.");
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}
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}
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bool VertexManager::IsFlushed() const
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{
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return s_pBaseBufferPointer == s_pCurBufferPointer;
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}
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u32 VertexManager::GetRemainingIndices(int primitive)
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{
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u32 index_len = MAXIBUFFERSIZE - IndexGenerator::GetIndexLen();
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if(g_Config.backend_info.bSupportsPrimitiveRestart)
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{
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switch (primitive)
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{
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case GX_DRAW_QUADS:
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return index_len / 5 * 4;
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case GX_DRAW_TRIANGLES:
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return index_len / 4 * 3;
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case GX_DRAW_TRIANGLE_STRIP:
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return index_len / 1 - 1;
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case GX_DRAW_TRIANGLE_FAN:
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return index_len / 6 * 4 + 1;
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case GX_DRAW_LINES:
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return index_len;
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case GX_DRAW_LINE_STRIP:
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return index_len / 2 + 1;
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case GX_DRAW_POINTS:
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return index_len;
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default:
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return 0;
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}
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}
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else
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{
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switch (primitive)
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{
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case GX_DRAW_QUADS:
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return index_len / 6 * 4;
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case GX_DRAW_TRIANGLES:
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return index_len;
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case GX_DRAW_TRIANGLE_STRIP:
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return index_len / 3 + 2;
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case GX_DRAW_TRIANGLE_FAN:
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return index_len / 3 + 2;
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case GX_DRAW_LINES:
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return index_len;
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case GX_DRAW_LINE_STRIP:
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return index_len / 2 + 1;
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case GX_DRAW_POINTS:
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return index_len;
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default:
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return 0;
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}
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}
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}
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void VertexManager::AddVertices(int primitive, u32 numVertices)
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{
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if (numVertices <= 0)
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return;
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ADDSTAT(stats.thisFrame.numPrims, numVertices);
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INCSTAT(stats.thisFrame.numPrimitiveJoins);
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IndexGenerator::AddIndices(primitive, numVertices);
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}
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void VertexManager::Flush()
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{
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if (g_vertex_manager->IsFlushed())
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return;
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// loading a state will invalidate BP, so check for it
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g_video_backend->CheckInvalidState();
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VideoFifo_CheckEFBAccess();
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#if defined(_DEBUG) || defined(DEBUGFAST)
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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,
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xfregs.numChan.numColorChans, xfregs.dualTexTrans.enabled, bpmem.ztex2.op,
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bpmem.blendmode.colorupdate, bpmem.blendmode.alphaupdate, bpmem.zmode.updateenable);
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for (unsigned int i = 0; i < xfregs.numChan.numColorChans; ++i)
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{
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LitChannel* ch = &xfregs.color[i];
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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);
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ch = &xfregs.alpha[i];
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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);
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}
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for (unsigned int i = 0; i < xfregs.numTexGen.numTexGens; ++i)
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{
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TexMtxInfo tinfo = xfregs.texMtxInfo[i];
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if (tinfo.texgentype != XF_TEXGEN_EMBOSS_MAP) tinfo.hex &= 0x7ff;
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if (tinfo.texgentype != XF_TEXGEN_REGULAR) tinfo.projection = 0;
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PRIM_LOG("txgen%d: proj=%d, input=%d, gentype=%d, srcrow=%d, embsrc=%d, emblght=%d, postmtx=%d, postnorm=%d",
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i, tinfo.projection, tinfo.inputform, tinfo.texgentype, tinfo.sourcerow, tinfo.embosssourceshift, tinfo.embosslightshift,
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xfregs.postMtxInfo[i].index, xfregs.postMtxInfo[i].normalize);
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}
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PRIM_LOG("pixel: tev=%d, ind=%d, texgen=%d, dstalpha=%d, alphatest=0x%x", bpmem.genMode.numtevstages+1, bpmem.genMode.numindstages,
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bpmem.genMode.numtexgens, (u32)bpmem.dstalpha.enable, (bpmem.alpha_test.hex>>16)&0xff);
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#endif
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u32 usedtextures = 0;
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for (u32 i = 0; i < bpmem.genMode.numtevstages + 1u; ++i)
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if (bpmem.tevorders[i / 2].getEnable(i & 1))
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usedtextures |= 1 << bpmem.tevorders[i/2].getTexMap(i & 1);
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if (bpmem.genMode.numindstages > 0)
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for (unsigned int i = 0; i < bpmem.genMode.numtevstages + 1u; ++i)
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if (bpmem.tevind[i].IsActive() && bpmem.tevind[i].bt < bpmem.genMode.numindstages)
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usedtextures |= 1 << bpmem.tevindref.getTexMap(bpmem.tevind[i].bt);
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for (unsigned int i = 0; i < 8; i++)
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{
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if (usedtextures & (1 << i))
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{
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g_renderer->SetSamplerState(i & 3, i >> 2);
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const FourTexUnits &tex = bpmem.tex[i >> 2];
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const TextureCache::TCacheEntryBase* tentry = TextureCache::Load(i,
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(tex.texImage3[i&3].image_base/* & 0x1FFFFF*/) << 5,
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tex.texImage0[i&3].width + 1, tex.texImage0[i&3].height + 1,
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tex.texImage0[i&3].format, tex.texTlut[i&3].tmem_offset<<9,
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tex.texTlut[i&3].tlut_format,
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((tex.texMode0[i&3].min_filter & 3) != 0),
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(tex.texMode1[i&3].max_lod + 0xf) / 0x10,
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(tex.texImage1[i&3].image_type != 0));
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if (tentry)
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{
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// 0s are probably for no manual wrapping needed.
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PixelShaderManager::SetTexDims(i, tentry->native_width, tentry->native_height, 0, 0);
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}
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else
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ERROR_LOG(VIDEO, "error loading texture");
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}
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}
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// set global constants
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VertexShaderManager::SetConstants();
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PixelShaderManager::SetConstants();
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// TODO: need to merge more stuff into VideoCommon
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g_vertex_manager->vFlush();
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g_vertex_manager->ResetBuffer();
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}
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void VertexManager::DoState(PointerWrap& p)
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{
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g_vertex_manager->vDoState(p);
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}
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void VertexManager::DoStateShared(PointerWrap& p)
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{
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// It seems we half-assume to be flushed here
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// We update s_pCurBufferPointer yet don't worry about IndexGenerator's outdated pointers
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// and maybe other things are overlooked
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p.Do(LocalVBuffer);
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p.Do(LocalIBuffer);
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s_pBaseBufferPointer = &LocalVBuffer[0];
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s_pEndBufferPointer = s_pBaseBufferPointer + LocalVBuffer.size();
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p.DoPointer(s_pCurBufferPointer, s_pBaseBufferPointer);
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}
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