mirror of
https://github.com/libretro/ppsspp.git
synced 2024-12-06 16:09:43 +00:00
102 lines
2.8 KiB
C++
102 lines
2.8 KiB
C++
// Copyright (c) 2013- 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 <stdio.h>
|
|
#include "GPU/Common/VertexDecoderCommon.h"
|
|
|
|
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;
|
|
}
|
|
}
|
|
|
|
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 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]);
|
|
}
|