ppsspp/GPU/GLES/VertexDecoder.cpp

866 lines
23 KiB
C++

// Copyright (c) 2012- PPSSPP 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 or later versions.
// 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 git repository and contact information can be found at
// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
#include "math/lin/matrix4x4.h"
#include "Core/Config.h"
#include "Core/MemMap.h"
#include "GPU/ge_constants.h"
#include "VertexDecoder.h"
#include "VertexShaderGenerator.h"
void PrintDecodedVertex(VertexReader &vtx) {
if (vtx.hasNormal())
{
float nrm[3];
vtx.ReadNrm(nrm);
printf("N: %f %f %f\n", nrm[0], nrm[1], nrm[2]);
}
if (vtx.hasUV()) {
float uv[2];
vtx.ReadUV(uv);
printf("TC: %f %f\n", uv[0], uv[1]);
}
if (vtx.hasColor0()) {
float col0[4];
vtx.ReadColor0(col0);
printf("C0: %f %f %f %f\n", col0[0], col0[1], col0[2], col0[3]);
}
if (vtx.hasColor1()) {
float col1[3];
vtx.ReadColor1(col1);
printf("C1: %f %f %f\n", col1[0], col1[1], col1[2]);
}
// Etc..
float pos[3];
vtx.ReadPos(pos);
printf("P: %f %f %f\n", pos[0], pos[1], pos[2]);
}
const u8 tcsize[4] = {0,2,4,8}, tcalign[4] = {0,1,2,4};
const u8 colsize[8] = {0,0,0,0,2,2,2,4}, colalign[8] = {0,0,0,0,2,2,2,4};
const u8 nrmsize[4] = {0,3,6,12}, nrmalign[4] = {0,1,2,4};
const u8 possize[4] = {0,3,6,12}, posalign[4] = {0,1,2,4};
const u8 wtsize[4] = {0,1,2,4}, wtalign[4] = {0,1,2,4};
inline int align(int n, int align) {
return (n + (align - 1)) & ~(align - 1);
}
int DecFmtSize(u8 fmt) {
switch (fmt) {
case DEC_NONE: return 0;
case DEC_FLOAT_1: return 4;
case DEC_FLOAT_2: return 8;
case DEC_FLOAT_3: return 12;
case DEC_FLOAT_4: return 16;
case DEC_S8_3: return 4;
case DEC_S16_3: return 8;
case DEC_U8_1: return 4;
case DEC_U8_2: return 4;
case DEC_U8_3: return 4;
case DEC_U8_4: return 4;
case DEC_U16_1: return 4;
case DEC_U16_2: return 4;
case DEC_U16_3: return 8;
case DEC_U16_4: return 8;
case DEC_U8A_2: return 4;
case DEC_U16A_2: return 4;
default:
return 0;
}
}
#if 0
// This is what the software transform spits out, and thus w
DecVtxFormat GetTransformedVtxFormat(const DecVtxFormat &fmt) {
DecVtxFormat tfm = {0};
int size = 0;
int offset = 0;
// Weights disappear during transform.
if (fmt.uvfmt) {
// UV always becomes float2.
tfm.uvfmt = DEC_FLOAT_2;
tfm.uvoff = offset;
offset += DecFmtSize(tfm.uvfmt);
}
// We always (?) get two colors out, they're floats (although we'd probably be fine with less precision).
tfm.c0fmt = DEC_FLOAT_4;
tfm.c0off = offset;
offset += DecFmtSize(tfm.c0fmt);
tfm.c1fmt = DEC_FLOAT_3; // color1 (specular) doesn't have alpha.
tfm.c1off = offset;
offset += DecFmtSize(tfm.c1fmt);
// We never get a normal, it's gone.
// But we do get a position, and it's always float3.
tfm.posfmt = DEC_FLOAT_3;
tfm.posoff = offset;
offset += DecFmtSize(tfm.posfmt);
// Update stride.
tfm.stride = offset;
return tfm;
}
#endif
void VertexDecoder::Step_WeightsU8() const
{
u8 *wt = (u8 *)(decoded_ + decFmt.w0off);
const u8 *wdata = (const u8*)(ptr_);
int j;
for (j = 0; j < nweights; j++)
wt[j] = wdata[j];
while (j & 3) // Zero additional weights rounding up to 4.
wt[j++] = 0;
}
void VertexDecoder::Step_WeightsU16() const
{
u16 *wt = (u16 *)(decoded_ + decFmt.w0off);
const u16 *wdata = (const u16*)(ptr_);
int j;
for (j = 0; j < nweights; j++)
wt[j] = wdata[j];
while (j & 3) // Zero additional weights rounding up to 4.
wt[j++] = 0;
}
// Float weights should be uncommon, we can live with having to multiply these by 2.0
// to avoid special checks in the vertex shader generator.
// (PSP uses 0.0-2.0 fixed point numbers for weights)
void VertexDecoder::Step_WeightsFloat() const
{
float *wt = (float *)(decoded_ + decFmt.w0off);
const float *wdata = (const float*)(ptr_);
int j;
for (j = 0; j < nweights; j++) {
wt[j] = wdata[j];
}
while (j & 3) // Zero additional weights rounding up to 4.
wt[j++] = 0.0f;
}
void VertexDecoder::Step_TcU8() const
{
u16 *uv = (u16*)(decoded_ + decFmt.uvoff);
const u16 *uvdata = (const u16*)(ptr_ + tcoff);
*uv = *uvdata;
}
void VertexDecoder::Step_TcU16() const
{
u32 *uv = (u32 *)(decoded_ + decFmt.uvoff);
const u32 *uvdata = (const u32*)(ptr_ + tcoff);
*uv = *uvdata;
}
void VertexDecoder::Step_TcU16Double() const
{
u16 *uv = (u16*)(decoded_ + decFmt.uvoff);
const u16 *uvdata = (const u16*)(ptr_ + tcoff);
*uv = *uvdata;
uv[0] = uvdata[0] * 2;
uv[1] = uvdata[1] * 2;
}
void VertexDecoder::Step_TcU16Through() const
{
u16 *uv = (u16 *)(decoded_ + decFmt.uvoff);
const u16 *uvdata = (const u16*)(ptr_ + tcoff);
uv[0] = uvdata[0];
uv[1] = uvdata[1];
}
void VertexDecoder::Step_TcU16ThroughDouble() const
{
u16 *uv = (u16 *)(decoded_ + decFmt.uvoff);
const u16 *uvdata = (const u16*)(ptr_ + tcoff);
uv[0] = uvdata[0] * 2;
uv[1] = uvdata[1] * 2;
}
void VertexDecoder::Step_TcFloat() const
{
float *uv = (float *)(decoded_ + decFmt.uvoff);
const float *uvdata = (const float*)(ptr_ + tcoff);
uv[0] = uvdata[0];
uv[1] = uvdata[1];
}
void VertexDecoder::Step_TcFloatThrough() const
{
float *uv = (float *)(decoded_ + decFmt.uvoff);
const float *uvdata = (const float*)(ptr_ + tcoff);
uv[0] = uvdata[0];
uv[1] = uvdata[1];
}
void VertexDecoder::Step_TcU8Prescale() const {
float *uv = (float *)(decoded_ + decFmt.uvoff);
const u8 *uvdata = (const u8 *)(ptr_ + tcoff);
uv[0] = (float)uvdata[0] * (1.f / 128.f) * gstate_c.uv.uScale + gstate_c.uv.uOff;
uv[1] = (float)uvdata[1] * (1.f / 128.f) * gstate_c.uv.vScale + gstate_c.uv.vOff;
}
void VertexDecoder::Step_TcU16Prescale() const {
float *uv = (float *)(decoded_ + decFmt.uvoff);
const u16 *uvdata = (const u16 *)(ptr_ + tcoff);
uv[0] = (float)uvdata[0] * (1.f / 32768.f) * gstate_c.uv.uScale + gstate_c.uv.uOff;
uv[1] = (float)uvdata[1] * (1.f / 32768.f) * gstate_c.uv.vScale + gstate_c.uv.vOff;
}
void VertexDecoder::Step_TcFloatPrescale() const {
float *uv = (float *)(decoded_ + decFmt.uvoff);
const float *uvdata = (const float*)(ptr_ + tcoff);
uv[0] = uvdata[0] * gstate_c.uv.uScale + gstate_c.uv.uOff;
uv[1] = uvdata[1] * gstate_c.uv.vScale + gstate_c.uv.vOff;
}
void VertexDecoder::Step_Color565() const
{
u8 *c = decoded_ + decFmt.c0off;
u16 cdata = *(u16*)(ptr_ + coloff);
c[0] = Convert5To8(cdata & 0x1f);
c[1] = Convert6To8((cdata>>5) & 0x3f);
c[2] = Convert5To8((cdata>>11) & 0x1f);
c[3] = 255;
}
void VertexDecoder::Step_Color5551() const
{
u8 *c = decoded_ + decFmt.c0off;
u16 cdata = *(u16*)(ptr_ + coloff);
c[0] = Convert5To8(cdata & 0x1f);
c[1] = Convert5To8((cdata>>5) & 0x1f);
c[2] = Convert5To8((cdata>>10) & 0x1f);
c[3] = (cdata >> 15) ? 255 : 0;
}
void VertexDecoder::Step_Color4444() const
{
u8 *c = decoded_ + decFmt.c0off;
u16 cdata = *(u16*)(ptr_ + coloff);
for (int j = 0; j < 4; j++)
c[j] = Convert4To8((cdata >> (j * 4)) & 0xF);
}
void VertexDecoder::Step_Color8888() const
{
u8 *c = decoded_ + decFmt.c0off;
const u8 *cdata = (const u8*)(ptr_ + coloff);
memcpy(c, cdata, sizeof(u8) * 4);
}
void VertexDecoder::Step_Color565Morph() const
{
float col[3] = {0};
for (int n = 0; n < morphcount; n++)
{
float w = gstate_c.morphWeights[n];
u16 cdata = *(u16*)(ptr_ + onesize_*n + coloff);
col[0] += w * (cdata & 0x1f) * (255.0f / 31.0f);
col[1] += w * ((cdata>>5) & 0x3f) * (255.0f / 63.0f);
col[2] += w * ((cdata>>11) & 0x1f) * (255.0f / 31.0f);
}
u8 *c = decoded_ + decFmt.c0off;
for (int i = 0; i < 3; i++) {
c[i] = (u8)col[i];
}
c[3] = 255;
}
void VertexDecoder::Step_Color5551Morph() const
{
float col[4] = {0};
for (int n = 0; n < morphcount; n++)
{
float w = gstate_c.morphWeights[n];
u16 cdata = *(u16*)(ptr_ + onesize_*n + coloff);
col[0] += w * (cdata & 0x1f) * (255.0f / 31.0f);
col[1] += w * ((cdata>>5) & 0x1f) * (255.0f / 31.0f);
col[2] += w * ((cdata>>10) & 0x1f) * (255.0f / 31.0f);
col[3] += w * ((cdata>>15) ? 255.0f : 0.0f);
}
u8 *c = decoded_ + decFmt.c0off;
for (int i = 0; i < 4; i++) {
c[i] = (u8)col[i];
}
}
void VertexDecoder::Step_Color4444Morph() const
{
float col[4] = {0};
for (int n = 0; n < morphcount; n++)
{
float w = gstate_c.morphWeights[n];
u16 cdata = *(u16*)(ptr_ + onesize_*n + coloff);
for (int j = 0; j < 4; j++)
col[j] += w * ((cdata >> (j * 4)) & 0xF) * (255.0f / 15.0f);
}
u8 *c = decoded_ + decFmt.c0off;
for (int i = 0; i < 4; i++) {
c[i] = (u8)col[i];
}
}
void VertexDecoder::Step_Color8888Morph() const
{
float col[4] = {0};
for (int n = 0; n < morphcount; n++)
{
float w = gstate_c.morphWeights[n];
const u8 *cdata = (const u8*)(ptr_ + onesize_*n + coloff);
for (int j = 0; j < 4; j++)
col[j] += w * cdata[j];
}
u8 *c = decoded_ + decFmt.c0off;
for (int i = 0; i < 4; i++) {
c[i] = (u8)(col[i]);
}
}
void VertexDecoder::Step_NormalS8() const
{
s8 *normal = (s8 *)(decoded_ + decFmt.nrmoff);
u8 xorval = 0;
if (gstate.areNormalsReversed())
xorval = 0xFF; // Using xor instead of - to handle -128
const s8 *sv = (const s8*)(ptr_ + nrmoff);
for (int j = 0; j < 3; j++)
normal[j] = sv[j] ^ xorval;
normal[3] = 0;
}
void VertexDecoder::Step_NormalS16() const
{
s16 *normal = (s16 *)(decoded_ + decFmt.nrmoff);
u16 xorval = 0;
if (gstate.areNormalsReversed())
xorval = 0xFFFF;
const s16 *sv = (const s16*)(ptr_ + nrmoff);
for (int j = 0; j < 3; j++)
normal[j] = sv[j] ^ xorval;
normal[3] = 0;
}
void VertexDecoder::Step_NormalFloat() const
{
float *normal = (float *)(decoded_ + decFmt.nrmoff);
float multiplier = 1.0f;
if (gstate.areNormalsReversed())
multiplier = -multiplier;
const float *fv = (const float*)(ptr_ + nrmoff);
for (int j = 0; j < 3; j++)
normal[j] = fv[j] * multiplier;
}
void VertexDecoder::Step_NormalS8Morph() const
{
float *normal = (float *)(decoded_ + decFmt.nrmoff);
memset(normal, 0, sizeof(float)*3);
for (int n = 0; n < morphcount; n++)
{
float multiplier = gstate_c.morphWeights[n];
if (gstate.areNormalsReversed()) {
multiplier = -multiplier;
}
const s8 *bv = (const s8*)(ptr_ + onesize_*n + nrmoff);
multiplier *= (1.0f/127.0f);
for (int j = 0; j < 3; j++)
normal[j] += bv[j] * multiplier;
}
}
void VertexDecoder::Step_NormalS16Morph() const
{
float *normal = (float *)(decoded_ + decFmt.nrmoff);
memset(normal, 0, sizeof(float)*3);
for (int n = 0; n < morphcount; n++)
{
float multiplier = gstate_c.morphWeights[n];
if (gstate.areNormalsReversed()) {
multiplier = -multiplier;
}
const s16 *sv = (const s16 *)(ptr_ + onesize_*n + nrmoff);
multiplier *= (1.0f/32767.0f);
for (int j = 0; j < 3; j++)
normal[j] += sv[j] * multiplier;
}
}
void VertexDecoder::Step_NormalFloatMorph() const
{
float *normal = (float *)(decoded_ + decFmt.nrmoff);
memset(normal, 0, sizeof(float)*3);
for (int n = 0; n < morphcount; n++)
{
float multiplier = gstate_c.morphWeights[n];
if (gstate.areNormalsReversed()) {
multiplier = -multiplier;
}
const float *fv = (const float*)(ptr_ + onesize_*n + nrmoff);
for (int j = 0; j < 3; j++)
normal[j] += fv[j] * multiplier;
}
}
void VertexDecoder::Step_PosS8() const
{
s8 *v = (s8 *)(decoded_ + decFmt.posoff);
const s8 *sv = (const s8*)(ptr_ + posoff);
for (int j = 0; j < 3; j++)
v[j] = sv[j];
v[3] = 0;
}
void VertexDecoder::Step_PosS16() const
{
s16 *v = (s16 *)(decoded_ + decFmt.posoff);
const s16 *sv = (const s16*)(ptr_ + posoff);
for (int j = 0; j < 3; j++)
v[j] = sv[j];
v[3] = 0;
}
void VertexDecoder::Step_PosFloat() const
{
u8 *v = (u8 *)(decoded_ + decFmt.posoff);
const u8 *fv = (const u8*)(ptr_ + posoff);
memcpy(v, fv, 12);
}
void VertexDecoder::Step_PosS8Through() const
{
float *v = (float *)(decoded_ + decFmt.posoff);
const s8 *sv = (const s8*)(ptr_ + posoff);
v[0] = sv[0];
v[1] = sv[1];
v[2] = sv[2];
v[3] = 0;
}
void VertexDecoder::Step_PosS16Through() const
{
float *v = (float *)(decoded_ + decFmt.posoff);
const s16 *sv = (const s16*)(ptr_ + posoff);
v[0] = sv[0];
v[1] = sv[1];
v[2] = sv[2];
v[3] = 0;
}
void VertexDecoder::Step_PosFloatThrough() const
{
u8 *v = (u8 *)(decoded_ + decFmt.posoff);
const u8 *fv = (const u8*)(ptr_ + posoff);
memcpy(v, fv, 12);
}
void VertexDecoder::Step_PosS8Morph() const
{
float *v = (float *)(decoded_ + decFmt.posoff);
memset(v, 0, sizeof(float) * 3);
for (int n = 0; n < morphcount; n++) {
float multiplier = 1.0f / 127.0f;
const s8 *sv = (const s8*)(ptr_ + onesize_*n + posoff);
for (int j = 0; j < 3; j++)
v[j] += (float)sv[j] * (multiplier * gstate_c.morphWeights[n]);
}
}
void VertexDecoder::Step_PosS16Morph() const
{
float *v = (float *)(decoded_ + decFmt.posoff);
memset(v, 0, sizeof(float) * 3);
for (int n = 0; n < morphcount; n++) {
float multiplier = 1.0f / 32767.0f;
const s16 *sv = (const s16*)(ptr_ + onesize_*n + posoff);
for (int j = 0; j < 3; j++)
v[j] += (float)sv[j] * (multiplier * gstate_c.morphWeights[n]);
}
}
void VertexDecoder::Step_PosFloatMorph() const
{
float *v = (float *)(decoded_ + decFmt.posoff);
memset(v, 0, sizeof(float) * 3);
for (int n = 0; n < morphcount; n++) {
const float *fv = (const float*)(ptr_ + onesize_*n + posoff);
for (int j = 0; j < 3; j++)
v[j] += fv[j] * gstate_c.morphWeights[n];
}
}
static const StepFunction wtstep[4] = {
0,
&VertexDecoder::Step_WeightsU8,
&VertexDecoder::Step_WeightsU16,
&VertexDecoder::Step_WeightsFloat,
};
static const StepFunction tcstep[4] = {
0,
&VertexDecoder::Step_TcU8,
&VertexDecoder::Step_TcU16,
&VertexDecoder::Step_TcFloat,
};
static const StepFunction tcstep_prescale[4] = {
0,
&VertexDecoder::Step_TcU8Prescale,
&VertexDecoder::Step_TcU16Prescale,
&VertexDecoder::Step_TcFloatPrescale,
};
static const StepFunction tcstep_through[4] = {
0,
&VertexDecoder::Step_TcU8,
&VertexDecoder::Step_TcU16Through,
&VertexDecoder::Step_TcFloatThrough,
};
// Some HD Remaster games double the u16 texture coordinates.
static const StepFunction tcstep_Remaster[4] = {
0,
&VertexDecoder::Step_TcU8,
&VertexDecoder::Step_TcU16Double,
&VertexDecoder::Step_TcFloat,
};
static const StepFunction tcstep_through_Remaster[4] = {
0,
&VertexDecoder::Step_TcU8,
&VertexDecoder::Step_TcU16ThroughDouble,
&VertexDecoder::Step_TcFloatThrough,
};
// TODO: Tc Morph
static const StepFunction colstep[8] = {
0, 0, 0, 0,
&VertexDecoder::Step_Color565,
&VertexDecoder::Step_Color5551,
&VertexDecoder::Step_Color4444,
&VertexDecoder::Step_Color8888,
};
static const StepFunction colstep_morph[8] = {
0, 0, 0, 0,
&VertexDecoder::Step_Color565Morph,
&VertexDecoder::Step_Color5551Morph,
&VertexDecoder::Step_Color4444Morph,
&VertexDecoder::Step_Color8888Morph,
};
static const StepFunction nrmstep[4] = {
0,
&VertexDecoder::Step_NormalS8,
&VertexDecoder::Step_NormalS16,
&VertexDecoder::Step_NormalFloat,
};
static const StepFunction nrmstep_morph[4] = {
0,
&VertexDecoder::Step_NormalS8Morph,
&VertexDecoder::Step_NormalS16Morph,
&VertexDecoder::Step_NormalFloatMorph,
};
static const StepFunction posstep[4] = {
0,
&VertexDecoder::Step_PosS8,
&VertexDecoder::Step_PosS16,
&VertexDecoder::Step_PosFloat,
};
static const StepFunction posstep_morph[4] = {
0,
&VertexDecoder::Step_PosS8Morph,
&VertexDecoder::Step_PosS16Morph,
&VertexDecoder::Step_PosFloatMorph,
};
static const StepFunction posstep_through[4] = {
0,
&VertexDecoder::Step_PosS8Through,
&VertexDecoder::Step_PosS16Through,
&VertexDecoder::Step_PosFloatThrough,
};
int RoundUp4(int x) {
return (x + 3) & ~3;
}
void VertexDecoder::SetVertexType(u32 fmt) {
fmt_ = fmt;
throughmode = (fmt & GE_VTYPE_THROUGH) != 0;
numSteps_ = 0;
int biggest = 0;
size = 0;
tc = fmt & 0x3;
col = (fmt >> 2) & 0x7;
nrm = (fmt >> 5) & 0x3;
pos = (fmt >> 7) & 0x3;
weighttype = (fmt >> 9) & 0x3;
idx = (fmt >> 11) & 0x3;
morphcount = ((fmt >> 18) & 0x7)+1;
nweights = ((fmt >> 14) & 0x7)+1;
int decOff = 0;
memset(&decFmt, 0, sizeof(decFmt));
DEBUG_LOG(G3D,"VTYPE: THRU=%i TC=%i COL=%i POS=%i NRM=%i WT=%i NW=%i IDX=%i MC=%i", (int)throughmode, tc,col,pos,nrm,weighttype,nweights,idx,morphcount);
if (weighttype) { // && nweights?
//size = align(size, wtalign[weighttype]); unnecessary
size += wtsize[weighttype] * nweights;
if (wtalign[weighttype] > biggest)
biggest = wtalign[weighttype];
steps_[numSteps_++] = wtstep[weighttype];
int fmtBase = DEC_FLOAT_1;
if (weighttype == GE_VTYPE_WEIGHT_8BIT >> GE_VTYPE_WEIGHT_SHIFT) {
fmtBase = DEC_U8_1;
} else if (weighttype == GE_VTYPE_WEIGHT_16BIT >> GE_VTYPE_WEIGHT_SHIFT) {
fmtBase = DEC_U16_1;
} else if (weighttype == GE_VTYPE_WEIGHT_FLOAT >> GE_VTYPE_WEIGHT_SHIFT) {
fmtBase = DEC_FLOAT_1;
}
int numWeights = TranslateNumBones(nweights);
if (numWeights <= 4) {
decFmt.w0off = decOff;
decFmt.w0fmt = fmtBase + numWeights - 1;
decOff += DecFmtSize(decFmt.w0fmt);
} else {
decFmt.w0off = decOff;
decFmt.w0fmt = fmtBase + 3;
decOff += DecFmtSize(decFmt.w0fmt);
decFmt.w1off = decOff;
decFmt.w1fmt = fmtBase + numWeights - 5;
decOff += DecFmtSize(decFmt.w1fmt);
}
}
if (tc) {
size = align(size, tcalign[tc]);
tcoff = size;
size += tcsize[tc];
if (tcalign[tc] > biggest)
biggest = tcalign[tc];
if (g_Config.bPrescaleUV && !throughmode && gstate.getTextureFunction() == 0) {
steps_[numSteps_++] = tcstep_prescale[tc];
decFmt.uvfmt = DEC_FLOAT_2;
} else {
if (g_DoubleTextureCoordinates)
steps_[numSteps_++] = throughmode ? tcstep_through_Remaster[tc] : tcstep_Remaster[tc];
else
steps_[numSteps_++] = throughmode ? tcstep_through[tc] : tcstep[tc];
switch (tc) {
case GE_VTYPE_TC_8BIT >> GE_VTYPE_TC_SHIFT:
decFmt.uvfmt = throughmode ? DEC_U8A_2 : DEC_U8_2;
break;
case GE_VTYPE_TC_16BIT >> GE_VTYPE_TC_SHIFT:
decFmt.uvfmt = throughmode ? DEC_U16A_2 : DEC_U16_2;
break;
case GE_VTYPE_TC_FLOAT >> GE_VTYPE_TC_SHIFT:
decFmt.uvfmt = DEC_FLOAT_2;
break;
}
}
decFmt.uvoff = decOff;
decOff += DecFmtSize(decFmt.uvfmt);
}
if (col) {
size = align(size, colalign[col]);
coloff = size;
size += colsize[col];
if (colalign[col] > biggest)
biggest = colalign[col];
steps_[numSteps_++] = morphcount == 1 ? colstep[col] : colstep_morph[col];
// All color formats decode to DEC_U8_4 currently.
// They can become floats later during transform though.
decFmt.c0fmt = DEC_U8_4;
decFmt.c0off = decOff;
decOff += DecFmtSize(decFmt.c0fmt);
} else {
coloff = 0;
}
if (nrm) {
size = align(size, nrmalign[nrm]);
nrmoff = size;
size += nrmsize[nrm];
if (nrmalign[nrm] > biggest)
biggest = nrmalign[nrm];
steps_[numSteps_++] = morphcount == 1 ? nrmstep[nrm] : nrmstep_morph[nrm];
if (morphcount == 1) {
// The normal formats match the gl formats perfectly, let's use 'em.
switch (nrm) {
case GE_VTYPE_NRM_8BIT >> GE_VTYPE_NRM_SHIFT: decFmt.nrmfmt = DEC_S8_3; break;
case GE_VTYPE_NRM_16BIT >> GE_VTYPE_NRM_SHIFT: decFmt.nrmfmt = DEC_S16_3; break;
case GE_VTYPE_NRM_FLOAT >> GE_VTYPE_NRM_SHIFT: decFmt.nrmfmt = DEC_FLOAT_3; break;
}
} else {
decFmt.nrmfmt = DEC_FLOAT_3;
}
// Actually, temporarily let's not.
decFmt.nrmoff = decOff;
decOff += DecFmtSize(decFmt.nrmfmt);
}
if (pos) // there's always a position
{
size = align(size, posalign[pos]);
posoff = size;
size += possize[pos];
if (posalign[pos] > biggest)
biggest = posalign[pos];
if (throughmode) {
steps_[numSteps_++] = posstep_through[pos];
decFmt.posfmt = DEC_FLOAT_3;
} else {
steps_[numSteps_++] = morphcount == 1 ? posstep[pos] : posstep_morph[pos];
if (morphcount == 1) {
// The non-through-mode position formats match the gl formats perfectly, let's use 'em.
switch (pos) {
case GE_VTYPE_POS_8BIT >> GE_VTYPE_POS_SHIFT: decFmt.posfmt = DEC_S8_3; break;
case GE_VTYPE_POS_16BIT >> GE_VTYPE_POS_SHIFT: decFmt.posfmt = DEC_S16_3; break;
case GE_VTYPE_POS_FLOAT >> GE_VTYPE_POS_SHIFT: decFmt.posfmt = DEC_FLOAT_3; break;
}
} else {
// Actually, temporarily let's not.
decFmt.posfmt = DEC_FLOAT_3;
}
}
decFmt.posoff = decOff;
decOff += DecFmtSize(decFmt.posfmt);
} else
ERROR_LOG_REPORT(G3D, "Vertices without position found")
decFmt.stride = decOff;
size = align(size, biggest);
onesize_ = size;
size *= morphcount;
DEBUG_LOG(G3D,"SVT : size = %i, aligned to biggest %i", size, biggest);
}
void GetIndexBounds(void *inds, int count, u32 vertType, u16 *indexLowerBound, u16 *indexUpperBound) {
// Find index bounds. Could cache this in display lists.
// Also, this could be greatly sped up with SSE2/NEON, although rarely a bottleneck.
int lowerBound = 0x7FFFFFFF;
int upperBound = 0;
u32 idx = vertType & GE_VTYPE_IDX_MASK;
if (idx == GE_VTYPE_IDX_8BIT) {
const u8 *ind8 = (const u8 *)inds;
for (int i = 0; i < count; i++) {
if (ind8[i] > upperBound)
upperBound = ind8[i];
if (ind8[i] < lowerBound)
lowerBound = ind8[i];
}
} else if (idx == GE_VTYPE_IDX_16BIT) {
const u16 *ind16 = (const u16*)inds;
for (int i = 0; i < count; i++) {
if (ind16[i] > upperBound)
upperBound = ind16[i];
if (ind16[i] < lowerBound)
lowerBound = ind16[i];
}
} else {
lowerBound = 0;
upperBound = count - 1;
}
*indexLowerBound = (u16)lowerBound;
*indexUpperBound = (u16)upperBound;
}
void VertexDecoder::DecodeVerts(u8 *decodedptr, const void *verts, int indexLowerBound, int indexUpperBound) const {
// Decode the vertices within the found bounds, once each
// decoded_ and ptr_ are used in the steps, so can't be turned into locals for speed.
decoded_ = decodedptr;
ptr_ = (const u8*)verts + indexLowerBound * size;
int stride = decFmt.stride;
for (int index = indexLowerBound; index <= indexUpperBound; index++) {
for (int i = 0; i < numSteps_; i++) {
((*this).*steps_[i])();
}
ptr_ += size;
decoded_ += stride;
}
}
// TODO: Does not support morphs, skinning etc.
u32 VertexDecoder::InjectUVs(u8 *decoded, const void *verts, float *customuv, int count) const {
u32 customVertType = (gstate.vertType & ~GE_VTYPE_TC_MASK) | GE_VTYPE_TC_FLOAT;
VertexDecoder decOut;
decOut.SetVertexType(customVertType);
const u8 *inp = (const u8 *)verts;
u8 *out = decoded;
for (int i = 0; i < count; i++) {
if (pos) memcpy(out + decOut.posoff, inp + posoff, possize[pos]);
if (nrm) memcpy(out + decOut.nrmoff, inp + nrmoff, nrmsize[nrm]);
if (col) memcpy(out + decOut.coloff, inp + coloff, colsize[col]);
// Ignore others for now, this is all we need for puzbob.
// Inject!
memcpy(out + decOut.tcoff, &customuv[i * 2], tcsize[decOut.tc]);
inp += this->onesize_;
out += decOut.onesize_;
}
return customVertType;
}
int VertexDecoder::ToString(char *output) const {
char * start = output;
output += sprintf(output, "P: %i ", pos);
if (nrm)
output += sprintf(output, "N: %i ", nrm);
if (col)
output += sprintf(output, "C: %i ", col);
if (tc)
output += sprintf(output, "T: %i ", tc);
if (weighttype)
output += sprintf(output, "W: %i ", weighttype);
if (idx)
output += sprintf(output, "I: %i ", idx);
if (morphcount > 1)
output += sprintf(output, "Morph: %i ", morphcount);
output += sprintf(output, "Verts: %i ", stats_[STAT_VERTSSUBMITTED]);
if (throughmode)
output += sprintf(output, " (through)");
output += sprintf(output, " (size: %i)", VertexSize());
return output - start;
}