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dolphin/Source/Core/VideoCommon/Src/VertexLoader.cpp

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// Copyright (C) 2003-2008 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 <assert.h>
#include "Common.h"
#include "VideoCommon.h"
#include "Profiler.h"
#include "MemoryUtil.h"
#include "StringUtil.h"
#include "x64Emitter.h"
#include "ABI.h"
#include "LookUpTables.h"
#include "Statistics.h"
#include "VertexLoaderManager.h"
#include "VertexLoader.h"
#include "BPMemory.h"
#include "DataReader.h"
#include "NativeVertexWriter.h"
#include "VertexLoader_Position.h"
#include "VertexLoader_Normal.h"
#include "VertexLoader_Color.h"
#include "VertexLoader_TextCoord.h"
#define USE_JIT
#define COMPILED_CODE_SIZE 4096
NativeVertexFormat *g_nativeVertexFmt;
#ifndef _WIN32
#undef inline
#define inline
#endif
// Matrix components are first in GC format but later in PC format - we need to store it temporarily
// when decoding each vertex.
static u8 s_curposmtx;
static u8 s_curtexmtx[8];
static int s_texmtxwrite = 0;
static int s_texmtxread = 0;
static int loop_counter;
// Vertex loaders read these. Although the scale ones should be baked into the shader.
int tcIndex;
int colIndex;
TVtxAttr* pVtxAttr;
int colElements[2];
float posScale;
float tcScale[8];
using namespace Gen;
void LOADERDECL PosMtx_ReadDirect_UByte()
{
s_curposmtx = DataReadU8() & 0x3f;
PRIM_LOG("posmtx: %d, ", s_curposmtx);
}
void LOADERDECL PosMtx_Write()
{
*VertexManager::s_pCurBufferPointer++ = s_curposmtx;
*VertexManager::s_pCurBufferPointer++ = 0;
*VertexManager::s_pCurBufferPointer++ = 0;
*VertexManager::s_pCurBufferPointer++ = 0;
}
void LOADERDECL TexMtx_ReadDirect_UByte()
{
s_curtexmtx[s_texmtxread] = DataReadU8()&0x3f;
PRIM_LOG("texmtx%d: %d, ", s_texmtxread, s_curtexmtx[s_texmtxread]);
s_texmtxread++;
}
void LOADERDECL TexMtx_Write_Float()
{
*(float*)VertexManager::s_pCurBufferPointer = (float)s_curtexmtx[s_texmtxwrite++];
VertexManager::s_pCurBufferPointer += 4;
}
void LOADERDECL TexMtx_Write_Float2()
{
((float*)VertexManager::s_pCurBufferPointer)[0] = 0;
((float*)VertexManager::s_pCurBufferPointer)[1] = (float)s_curtexmtx[s_texmtxwrite++];
VertexManager::s_pCurBufferPointer += 8;
}
void LOADERDECL TexMtx_Write_Short3()
{
((s16*)VertexManager::s_pCurBufferPointer)[0] = 0;
((s16*)VertexManager::s_pCurBufferPointer)[1] = 0;
((s16*)VertexManager::s_pCurBufferPointer)[2] = s_curtexmtx[s_texmtxwrite++];
VertexManager::s_pCurBufferPointer += 8;
}
VertexLoader::VertexLoader(const TVtxDesc &vtx_desc, const VAT &vtx_attr)
{
m_compiledCode = NULL;
m_numLoadedVertices = 0;
m_VertexSize = 0;
m_numPipelineStages = 0;
m_NativeFmt = NativeVertexFormat::Create();
loop_counter = 0;
VertexLoader_Normal::Init();
m_VtxDesc = vtx_desc;
SetVAT(vtx_attr.g0.Hex, vtx_attr.g1.Hex, vtx_attr.g2.Hex);
AllocCodeSpace(COMPILED_CODE_SIZE);
CompileVertexTranslator();
WriteProtect();
}
VertexLoader::~VertexLoader()
{
FreeCodeSpace();
delete m_NativeFmt;
}
void VertexLoader::CompileVertexTranslator()
{
m_VertexSize = 0;
const TVtxAttr &vtx_attr = m_VtxAttr;
#ifdef USE_JIT
if (m_compiledCode)
PanicAlert("trying to recompile a vtx translator");
m_compiledCode = GetCodePtr();
ABI_EmitPrologue(4);
// Start loop here
const u8 *loop_start = GetCodePtr();
// Reset component counters if present in vertex format only.
if (m_VtxDesc.Tex0Coord || m_VtxDesc.Tex1Coord || m_VtxDesc.Tex2Coord || m_VtxDesc.Tex3Coord ||
m_VtxDesc.Tex4Coord || m_VtxDesc.Tex5Coord || m_VtxDesc.Tex6Coord || m_VtxDesc.Tex7Coord) {
MOV(32, M(&tcIndex), Imm32(0));
}
if (m_VtxDesc.Color0 || m_VtxDesc.Color1) {
MOV(32, M(&colIndex), Imm32(0));
}
if (m_VtxDesc.Tex0MatIdx || m_VtxDesc.Tex1MatIdx || m_VtxDesc.Tex2MatIdx || m_VtxDesc.Tex3MatIdx ||
m_VtxDesc.Tex4MatIdx || m_VtxDesc.Tex5MatIdx || m_VtxDesc.Tex6MatIdx || m_VtxDesc.Tex7MatIdx) {
MOV(32, M(&s_texmtxwrite), Imm32(0));
MOV(32, M(&s_texmtxread), Imm32(0));
}
#endif
// Colors
const int col[2] = {m_VtxDesc.Color0, m_VtxDesc.Color1};
// TextureCoord
// Since m_VtxDesc.Text7Coord is broken across a 32 bit word boundary, retrieve its value manually.
// If we didn't do this, the vertex format would be read as one bit offset from where it should be, making
// 01 become 00, and 10/11 become 01
const int tc[8] = {
m_VtxDesc.Tex0Coord, m_VtxDesc.Tex1Coord, m_VtxDesc.Tex2Coord, m_VtxDesc.Tex3Coord,
m_VtxDesc.Tex4Coord, m_VtxDesc.Tex5Coord, m_VtxDesc.Tex6Coord, (m_VtxDesc.Hex >> 31) & 3
};
// Reset pipeline
m_numPipelineStages = 0;
// It's a bit ugly that we poke inside m_NativeFmt in this function. Planning to fix this.
m_NativeFmt->m_components = 0;
// Position in pc vertex format.
int nat_offset = 0;
PortableVertexDeclaration vtx_decl;
memset(&vtx_decl, 0, sizeof(vtx_decl));
for (int i = 0; i < 8; i++) {
vtx_decl.texcoord_offset[i] = -1;
}
// m_VBVertexStride for texmtx and posmtx is computed later when writing.
// Position Matrix Index
if (m_VtxDesc.PosMatIdx) {
WriteCall(PosMtx_ReadDirect_UByte);
m_NativeFmt->m_components |= VB_HAS_POSMTXIDX;
m_VertexSize += 1;
}
if (m_VtxDesc.Tex0MatIdx) {m_VertexSize += 1; m_NativeFmt->m_components |= VB_HAS_TEXMTXIDX0; WriteCall(TexMtx_ReadDirect_UByte); }
if (m_VtxDesc.Tex1MatIdx) {m_VertexSize += 1; m_NativeFmt->m_components |= VB_HAS_TEXMTXIDX1; WriteCall(TexMtx_ReadDirect_UByte); }
if (m_VtxDesc.Tex2MatIdx) {m_VertexSize += 1; m_NativeFmt->m_components |= VB_HAS_TEXMTXIDX2; WriteCall(TexMtx_ReadDirect_UByte); }
if (m_VtxDesc.Tex3MatIdx) {m_VertexSize += 1; m_NativeFmt->m_components |= VB_HAS_TEXMTXIDX3; WriteCall(TexMtx_ReadDirect_UByte); }
if (m_VtxDesc.Tex4MatIdx) {m_VertexSize += 1; m_NativeFmt->m_components |= VB_HAS_TEXMTXIDX4; WriteCall(TexMtx_ReadDirect_UByte); }
if (m_VtxDesc.Tex5MatIdx) {m_VertexSize += 1; m_NativeFmt->m_components |= VB_HAS_TEXMTXIDX5; WriteCall(TexMtx_ReadDirect_UByte); }
if (m_VtxDesc.Tex6MatIdx) {m_VertexSize += 1; m_NativeFmt->m_components |= VB_HAS_TEXMTXIDX6; WriteCall(TexMtx_ReadDirect_UByte); }
if (m_VtxDesc.Tex7MatIdx) {m_VertexSize += 1; m_NativeFmt->m_components |= VB_HAS_TEXMTXIDX7; WriteCall(TexMtx_ReadDirect_UByte); }
switch (m_VtxDesc.Position) {
case NOT_PRESENT: {_assert_msg_(0, "Vertex descriptor without position!", "WTF?");} break;
case DIRECT:
switch (m_VtxAttr.PosFormat) {
case FORMAT_UBYTE: m_VertexSize += m_VtxAttr.PosElements?3:2; WriteCall(Pos_ReadDirect_UByte); break;
case FORMAT_BYTE: m_VertexSize += m_VtxAttr.PosElements?3:2; WriteCall(Pos_ReadDirect_Byte); break;
case FORMAT_USHORT: m_VertexSize += m_VtxAttr.PosElements?6:4; WriteCall(Pos_ReadDirect_UShort); break;
case FORMAT_SHORT: m_VertexSize += m_VtxAttr.PosElements?6:4; WriteCall(Pos_ReadDirect_Short); break;
case FORMAT_FLOAT: m_VertexSize += m_VtxAttr.PosElements?12:8; WriteCall(Pos_ReadDirect_Float); break;
default: _assert_(0); break;
}
nat_offset += 12;
break;
case INDEX8:
switch (m_VtxAttr.PosFormat) {
case FORMAT_UBYTE: WriteCall(Pos_ReadIndex8_UByte); break; //WTF?
case FORMAT_BYTE: WriteCall(Pos_ReadIndex8_Byte); break;
case FORMAT_USHORT: WriteCall(Pos_ReadIndex8_UShort); break;
case FORMAT_SHORT: WriteCall(Pos_ReadIndex8_Short); break;
case FORMAT_FLOAT: WriteCall(Pos_ReadIndex8_Float); break;
default: _assert_(0); break;
}
m_VertexSize += 1;
nat_offset += 12;
break;
case INDEX16:
switch (m_VtxAttr.PosFormat) {
case FORMAT_UBYTE: WriteCall(Pos_ReadIndex16_UByte); break;
case FORMAT_BYTE: WriteCall(Pos_ReadIndex16_Byte); break;
case FORMAT_USHORT: WriteCall(Pos_ReadIndex16_UShort); break;
case FORMAT_SHORT: WriteCall(Pos_ReadIndex16_Short); break;
case FORMAT_FLOAT: WriteCall(Pos_ReadIndex16_Float); break;
default: _assert_(0); break;
}
m_VertexSize += 2;
nat_offset += 12;
break;
}
// Normals
vtx_decl.num_normals = 0;
if (m_VtxDesc.Normal != NOT_PRESENT) {
m_VertexSize += VertexLoader_Normal::GetSize(m_VtxDesc.Normal, m_VtxAttr.NormalFormat, m_VtxAttr.NormalElements, m_VtxAttr.NormalIndex3);
TPipelineFunction pFunc = VertexLoader_Normal::GetFunction(m_VtxDesc.Normal, m_VtxAttr.NormalFormat, m_VtxAttr.NormalElements, m_VtxAttr.NormalIndex3);
if (pFunc == 0)
{
char temp[256];
sprintf(temp,"%i %i %i %i", m_VtxDesc.Normal, m_VtxAttr.NormalFormat, m_VtxAttr.NormalElements, m_VtxAttr.NormalIndex3);
g_VideoInitialize.pSysMessage("VertexLoader_Normal::GetFunction returned zero!");
}
WriteCall(pFunc);
vtx_decl.num_normals = vtx_attr.NormalElements ? 3 : 1;
switch (vtx_attr.NormalFormat) {
case FORMAT_UBYTE:
case FORMAT_BYTE:
vtx_decl.normal_gl_type = VAR_BYTE;
vtx_decl.normal_gl_size = 4;
vtx_decl.normal_offset[0] = nat_offset;
nat_offset += 4;
if (vtx_attr.NormalElements) {
vtx_decl.normal_offset[1] = nat_offset;
nat_offset += 4;
vtx_decl.normal_offset[2] = nat_offset;
nat_offset += 4;
}
break;
case FORMAT_USHORT:
case FORMAT_SHORT:
vtx_decl.normal_gl_type = VAR_SHORT;
vtx_decl.normal_gl_size = 4;
vtx_decl.normal_offset[0] = nat_offset;
nat_offset += 8;
if (vtx_attr.NormalElements) {
vtx_decl.normal_offset[1] = nat_offset;
nat_offset += 8;
vtx_decl.normal_offset[2] = nat_offset;
nat_offset += 8;
}
break;
case FORMAT_FLOAT:
vtx_decl.normal_gl_type = VAR_FLOAT;
vtx_decl.normal_gl_size = 3;
vtx_decl.normal_offset[0] = nat_offset;
nat_offset += 12;
if (vtx_attr.NormalElements) {
vtx_decl.normal_offset[1] = nat_offset;
nat_offset += 12;
vtx_decl.normal_offset[2] = nat_offset;
nat_offset += 12;
}
break;
default: _assert_(0); break;
}
int numNormals = (m_VtxAttr.NormalElements == 1) ? NRM_THREE : NRM_ONE;
m_NativeFmt->m_components |= VB_HAS_NRM0;
if (numNormals == NRM_THREE)
m_NativeFmt->m_components |= VB_HAS_NRM1 | VB_HAS_NRM2;
}
vtx_decl.color_gl_type = VAR_UNSIGNED_BYTE;
for (int i = 0; i < 2; i++) {
m_NativeFmt->m_components |= VB_HAS_COL0 << i;
switch (col[i])
{
case NOT_PRESENT:
m_NativeFmt->m_components &= ~(VB_HAS_COL0 << i);
vtx_decl.color_offset[i] = -1;
break;
case DIRECT:
switch (m_VtxAttr.color[i].Comp)
{
case FORMAT_16B_565: m_VertexSize += 2; WriteCall(Color_ReadDirect_16b_565); break;
case FORMAT_24B_888: m_VertexSize += 3; WriteCall(Color_ReadDirect_24b_888); break;
case FORMAT_32B_888x: m_VertexSize += 4; WriteCall(Color_ReadDirect_32b_888x); break;
case FORMAT_16B_4444: m_VertexSize += 2; WriteCall(Color_ReadDirect_16b_4444); break;
case FORMAT_24B_6666: m_VertexSize += 3; WriteCall(Color_ReadDirect_24b_6666); break;
case FORMAT_32B_8888: m_VertexSize += 4; WriteCall(Color_ReadDirect_32b_8888); break;
default: _assert_(0); break;
}
break;
case INDEX8:
m_VertexSize += 1;
switch (m_VtxAttr.color[i].Comp)
{
case FORMAT_16B_565: WriteCall(Color_ReadIndex8_16b_565); break;
case FORMAT_24B_888: WriteCall(Color_ReadIndex8_24b_888); break;
case FORMAT_32B_888x: WriteCall(Color_ReadIndex8_32b_888x); break;
case FORMAT_16B_4444: WriteCall(Color_ReadIndex8_16b_4444); break;
case FORMAT_24B_6666: WriteCall(Color_ReadIndex8_24b_6666); break;
case FORMAT_32B_8888: WriteCall(Color_ReadIndex8_32b_8888); break;
default: _assert_(0); break;
}
break;
case INDEX16:
m_VertexSize += 2;
switch (m_VtxAttr.color[i].Comp)
{
case FORMAT_16B_565: WriteCall(Color_ReadIndex16_16b_565); break;
case FORMAT_24B_888: WriteCall(Color_ReadIndex16_24b_888); break;
case FORMAT_32B_888x: WriteCall(Color_ReadIndex16_32b_888x); break;
case FORMAT_16B_4444: WriteCall(Color_ReadIndex16_16b_4444); break;
case FORMAT_24B_6666: WriteCall(Color_ReadIndex16_24b_6666); break;
case FORMAT_32B_8888: WriteCall(Color_ReadIndex16_32b_8888); break;
default: _assert_(0); break;
}
break;
}
// Common for the three bottom cases
if (col[i] != NOT_PRESENT) {
vtx_decl.color_offset[i] = nat_offset;
nat_offset += 4;
}
}
// Texture matrix indices (remove if corresponding texture coordinate isn't enabled)
for (int i = 0; i < 8; i++) {
m_NativeFmt->m_components |= VB_HAS_UV0 << i;
int elements = m_VtxAttr.texCoord[i].Elements;
switch (tc[i])
{
case NOT_PRESENT:
m_NativeFmt->m_components &= ~(VB_HAS_UV0 << i);
break;
case DIRECT:
switch (m_VtxAttr.texCoord[i].Format)
{
case FORMAT_UBYTE: m_VertexSize += elements?2:1; WriteCall(elements?TexCoord_ReadDirect_UByte2:TexCoord_ReadDirect_UByte1); break;
case FORMAT_BYTE: m_VertexSize += elements?2:1; WriteCall(elements?TexCoord_ReadDirect_Byte2:TexCoord_ReadDirect_Byte1); break;
case FORMAT_USHORT: m_VertexSize += elements?4:2; WriteCall(elements?TexCoord_ReadDirect_UShort2:TexCoord_ReadDirect_UShort1); break;
case FORMAT_SHORT: m_VertexSize += elements?4:2; WriteCall(elements?TexCoord_ReadDirect_Short2:TexCoord_ReadDirect_Short1); break;
case FORMAT_FLOAT: m_VertexSize += elements?8:4; WriteCall(elements?TexCoord_ReadDirect_Float2:TexCoord_ReadDirect_Float1); break;
default: _assert_(0); break;
}
break;
case INDEX8:
m_VertexSize += 1;
switch (m_VtxAttr.texCoord[i].Format)
{
case FORMAT_UBYTE: WriteCall(elements?TexCoord_ReadIndex8_UByte2:TexCoord_ReadIndex8_UByte1); break;
case FORMAT_BYTE: WriteCall(elements?TexCoord_ReadIndex8_Byte2:TexCoord_ReadIndex8_Byte1); break;
case FORMAT_USHORT: WriteCall(elements?TexCoord_ReadIndex8_UShort2:TexCoord_ReadIndex8_UShort1); break;
case FORMAT_SHORT: WriteCall(elements?TexCoord_ReadIndex8_Short2:TexCoord_ReadIndex8_Short1); break;
case FORMAT_FLOAT: WriteCall(elements?TexCoord_ReadIndex8_Float2:TexCoord_ReadIndex8_Float1); break;
default: _assert_(0); break;
}
break;
case INDEX16:
m_VertexSize += 2;
switch (m_VtxAttr.texCoord[i].Format)
{
case FORMAT_UBYTE: WriteCall(elements?TexCoord_ReadIndex16_UByte2:TexCoord_ReadIndex16_UByte1); break;
case FORMAT_BYTE: WriteCall(elements?TexCoord_ReadIndex16_Byte2:TexCoord_ReadIndex16_Byte1); break;
case FORMAT_USHORT: WriteCall(elements?TexCoord_ReadIndex16_UShort2:TexCoord_ReadIndex16_UShort1); break;
case FORMAT_SHORT: WriteCall(elements?TexCoord_ReadIndex16_Short2:TexCoord_ReadIndex16_Short1); break;
case FORMAT_FLOAT: WriteCall(elements?TexCoord_ReadIndex16_Float2:TexCoord_ReadIndex16_Float1); break;
default: _assert_(0);
}
break;
}
if (m_NativeFmt->m_components & (VB_HAS_TEXMTXIDX0 << i)) {
if (tc[i] != NOT_PRESENT) {
// if texmtx is included, texcoord will always be 3 floats, z will be the texmtx index
vtx_decl.texcoord_offset[i] = nat_offset;
vtx_decl.texcoord_gl_type[i] = VAR_FLOAT;
vtx_decl.texcoord_size[i] = 3;
nat_offset += 12;
WriteCall(m_VtxAttr.texCoord[i].Elements ? TexMtx_Write_Float : TexMtx_Write_Float2);
}
else {
m_NativeFmt->m_components |= VB_HAS_UV0 << i; // have to include since using now
vtx_decl.texcoord_offset[i] = nat_offset;
vtx_decl.texcoord_gl_type[i] = VAR_SHORT;
vtx_decl.texcoord_size[i] = 4;
nat_offset += 8; // still include the texture coordinate, but this time as 6 + 2 bytes
WriteCall(TexMtx_Write_Short3);
}
}
else {
if (tc[i] != NOT_PRESENT) {
vtx_decl.texcoord_offset[i] = nat_offset;
vtx_decl.texcoord_gl_type[i] = VAR_FLOAT;
vtx_decl.texcoord_size[i] = vtx_attr.texCoord[i].Elements ? 2 : 1;
nat_offset += 4 * (vtx_attr.texCoord[i].Elements ? 2 : 1);
} else {
vtx_decl.texcoord_offset[i] = -1;
}
}
if (tc[i] == NOT_PRESENT) {
// if there's more tex coords later, have to write a dummy call
int j = i + 1;
for (; j < 8; ++j) {
if (tc[j] != NOT_PRESENT) {
WriteCall(TexCoord_Read_Dummy); // important to get indices right!
break;
}
}
// tricky!
if (j == 8 && !((m_NativeFmt->m_components & VB_HAS_TEXMTXIDXALL) & (VB_HAS_TEXMTXIDXALL << (i + 1)))) {
// no more tex coords and tex matrices, so exit loop
break;
}
}
}
if (m_VtxDesc.PosMatIdx) {
WriteCall(PosMtx_Write);
vtx_decl.posmtx_offset = nat_offset;
nat_offset += 4;
} else {
vtx_decl.posmtx_offset = -1;
}
native_stride = nat_offset;
vtx_decl.stride = native_stride;
#ifdef USE_JIT
// End loop here
SUB(32, M(&loop_counter), Imm8(1));
//SUB(32, R(EBX), Imm8(1));
J_CC(CC_NZ, loop_start, true);
ABI_EmitEpilogue(4);
#endif
m_NativeFmt->Initialize(vtx_decl);
}
void VertexLoader::WriteCall(TPipelineFunction func)
{
#ifdef USE_JIT
CALL((void*)func);
#else
m_PipelineStages[m_numPipelineStages++] = func;
#endif
}
void VertexLoader::RunVertices(int vtx_attr_group, int primitive, int count)
{
DVSTARTPROFILE();
m_numLoadedVertices += count;
// Flush if our vertex format is different from the currently set.
if (g_nativeVertexFmt != NULL && g_nativeVertexFmt != m_NativeFmt)
{
VertexManager::Flush();
// Also move the Set() here?
}
g_nativeVertexFmt = m_NativeFmt;
if (bpmem.genMode.cullmode == 3 && primitive < 5)
{
// if cull mode is none, ignore triangles and quads
DataSkip(count * m_VertexSize);
return;
}
VertexManager::EnableComponents(m_NativeFmt->m_components);
// Load position and texcoord scale factors.
m_VtxAttr.PosFrac = g_VtxAttr[vtx_attr_group].g0.PosFrac;
m_VtxAttr.texCoord[0].Frac = g_VtxAttr[vtx_attr_group].g0.Tex0Frac;
m_VtxAttr.texCoord[1].Frac = g_VtxAttr[vtx_attr_group].g1.Tex1Frac;
m_VtxAttr.texCoord[2].Frac = g_VtxAttr[vtx_attr_group].g1.Tex2Frac;
m_VtxAttr.texCoord[3].Frac = g_VtxAttr[vtx_attr_group].g1.Tex3Frac;
m_VtxAttr.texCoord[4].Frac = g_VtxAttr[vtx_attr_group].g2.Tex4Frac;
m_VtxAttr.texCoord[5].Frac = g_VtxAttr[vtx_attr_group].g2.Tex5Frac;
m_VtxAttr.texCoord[6].Frac = g_VtxAttr[vtx_attr_group].g2.Tex6Frac;
m_VtxAttr.texCoord[7].Frac = g_VtxAttr[vtx_attr_group].g2.Tex7Frac;
pVtxAttr = &m_VtxAttr;
posScale = shiftLookup[m_VtxAttr.PosFrac];
if (m_NativeFmt->m_components & VB_HAS_UVALL)
for (int i = 0; i < 8; i++)
tcScale[i] = shiftLookup[m_VtxAttr.texCoord[i].Frac];
for (int i = 0; i < 2; i++)
colElements[i] = m_VtxAttr.color[i].Elements;
// if strips or fans, make sure all vertices can fit in buffer, otherwise flush
int granularity = 1;
switch (primitive) {
case 3: // strip .. hm, weird
case 4: // fan
if (VertexManager::GetRemainingSize() < 3 * native_stride)
VertexManager::Flush();
break;
case 6: // line strip
if (VertexManager::GetRemainingSize() < 2 * native_stride)
VertexManager::Flush();
break;
case 0: granularity = 4; break; // quads
case 2: granularity = 3; break; // tris
case 5: granularity = 2; break; // lines
}
int startv = 0, extraverts = 0;
int v = 0;
while (v < count)
{
int remainingVerts = VertexManager::GetRemainingSize() / native_stride;
if (remainingVerts < granularity) {
INCSTAT(stats.thisFrame.numBufferSplits);
// This buffer full - break current primitive and flush, to switch to the next buffer.
u8* plastptr = VertexManager::s_pCurBufferPointer;
if (v - startv > 0)
VertexManager::AddVertices(primitive, v - startv + extraverts);
VertexManager::Flush();
// Why does this need to be so complicated?
switch (primitive) {
case 3: // triangle strip, copy last two vertices
// a little trick since we have to keep track of signs
if (v & 1) {
memcpy_gc(VertexManager::s_pCurBufferPointer, plastptr-2*native_stride, native_stride);
memcpy_gc(VertexManager::s_pCurBufferPointer+native_stride, plastptr-native_stride*2, 2*native_stride);
VertexManager::s_pCurBufferPointer += native_stride*3;
extraverts = 3;
}
else {
memcpy_gc(VertexManager::s_pCurBufferPointer, plastptr-native_stride*2, native_stride*2);
VertexManager::s_pCurBufferPointer += native_stride*2;
extraverts = 2;
}
break;
case 4: // tri fan, copy first and last vert
memcpy_gc(VertexManager::s_pCurBufferPointer, plastptr-native_stride*(v-startv+extraverts), native_stride);
VertexManager::s_pCurBufferPointer += native_stride;
memcpy_gc(VertexManager::s_pCurBufferPointer, plastptr-native_stride, native_stride);
VertexManager::s_pCurBufferPointer += native_stride;
extraverts = 2;
break;
case 6: // line strip
memcpy_gc(VertexManager::s_pCurBufferPointer, plastptr-native_stride, native_stride);
VertexManager::s_pCurBufferPointer += native_stride;
extraverts = 1;
break;
default:
extraverts = 0;
break;
}
startv = v;
}
int remainingPrims = remainingVerts / granularity;
remainingVerts = remainingPrims * granularity;
if (count - v < remainingVerts)
remainingVerts = count - v;
#ifdef USE_JIT
if (remainingVerts > 0) {
loop_counter = remainingVerts;
((void (*)())(void*)m_compiledCode)();
}
#else
for (int s = 0; s < remainingVerts; s++)
{
tcIndex = 0;
colIndex = 0;
s_texmtxwrite = s_texmtxread = 0;
for (int i = 0; i < m_numPipelineStages; i++)
m_PipelineStages[i]();
PRIM_LOG("\n");
}
#endif
v += remainingVerts;
}
if (startv < count)
VertexManager::AddVertices(primitive, count - startv + extraverts);
}
void VertexLoader::SetVAT(u32 _group0, u32 _group1, u32 _group2)
{
VAT vat;
vat.g0.Hex = _group0;
vat.g1.Hex = _group1;
vat.g2.Hex = _group2;
m_VtxAttr.PosElements = vat.g0.PosElements;
m_VtxAttr.PosFormat = vat.g0.PosFormat;
m_VtxAttr.PosFrac = vat.g0.PosFrac;
m_VtxAttr.NormalElements = vat.g0.NormalElements;
m_VtxAttr.NormalFormat = vat.g0.NormalFormat;
m_VtxAttr.color[0].Elements = vat.g0.Color0Elements;
m_VtxAttr.color[0].Comp = vat.g0.Color0Comp;
m_VtxAttr.color[1].Elements = vat.g0.Color1Elements;
m_VtxAttr.color[1].Comp = vat.g0.Color1Comp;
m_VtxAttr.texCoord[0].Elements = vat.g0.Tex0CoordElements;
m_VtxAttr.texCoord[0].Format = vat.g0.Tex0CoordFormat;
m_VtxAttr.texCoord[0].Frac = vat.g0.Tex0Frac;
m_VtxAttr.ByteDequant = vat.g0.ByteDequant;
m_VtxAttr.NormalIndex3 = vat.g0.NormalIndex3;
m_VtxAttr.texCoord[1].Elements = vat.g1.Tex1CoordElements;
m_VtxAttr.texCoord[1].Format = vat.g1.Tex1CoordFormat;
m_VtxAttr.texCoord[1].Frac = vat.g1.Tex1Frac;
m_VtxAttr.texCoord[2].Elements = vat.g1.Tex2CoordElements;
m_VtxAttr.texCoord[2].Format = vat.g1.Tex2CoordFormat;
m_VtxAttr.texCoord[2].Frac = vat.g1.Tex2Frac;
m_VtxAttr.texCoord[3].Elements = vat.g1.Tex3CoordElements;
m_VtxAttr.texCoord[3].Format = vat.g1.Tex3CoordFormat;
m_VtxAttr.texCoord[3].Frac = vat.g1.Tex3Frac;
m_VtxAttr.texCoord[4].Elements = vat.g1.Tex4CoordElements;
m_VtxAttr.texCoord[4].Format = vat.g1.Tex4CoordFormat;
m_VtxAttr.texCoord[4].Frac = vat.g2.Tex4Frac;
m_VtxAttr.texCoord[5].Elements = vat.g2.Tex5CoordElements;
m_VtxAttr.texCoord[5].Format = vat.g2.Tex5CoordFormat;
m_VtxAttr.texCoord[5].Frac = vat.g2.Tex5Frac;
m_VtxAttr.texCoord[6].Elements = vat.g2.Tex6CoordElements;
m_VtxAttr.texCoord[6].Format = vat.g2.Tex6CoordFormat;
m_VtxAttr.texCoord[6].Frac = vat.g2.Tex6Frac;
m_VtxAttr.texCoord[7].Elements = vat.g2.Tex7CoordElements;
m_VtxAttr.texCoord[7].Format = vat.g2.Tex7CoordFormat;
m_VtxAttr.texCoord[7].Frac = vat.g2.Tex7Frac;
};
void VertexLoader::AppendToString(std::string *dest) {
static const char *posMode[4] = {
"Invalid",
"Direct",
"Idx8",
"Idx16",
};
static const char *posFormats[5] = {
"u8", "s8", "u16", "s16", "flt",
};
dest->append(StringFromFormat("sz: %i skin: %i Pos: %i %s %s Nrm: %i %s %s - %i vtx\n",
m_VertexSize, m_VtxDesc.PosMatIdx, m_VtxAttr.PosElements ? 3 : 2, posMode[m_VtxDesc.Position], posFormats[m_VtxAttr.PosFormat],
m_VtxAttr.NormalElements, posMode[m_VtxDesc.Normal], posFormats[m_VtxAttr.NormalFormat], m_numLoadedVertices));
}
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