Emulator-Archive/ppsspp
1
0
Fork 0
mirror of https://github.com/hrydgard/ppsspp.git synced 2025-02-02 20:00:35 +00:00
Code Issues Actions 2 Packages Projects Releases Wiki Activity

Bypass vertex decoder z scaling.

Browse Source 
Everything is compared against the u16 value.  This should be correct for
throughmode at least.
This commit is contained in:
Unknown W. Brackets 2013-09-14 15:48:11 -07:00
parent 68f61e5071
commit 26f935bbe5
2 changed files with 50 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

48
GPU/GLES/VertexDecoder.h
View File

@ -260,6 +260,54 @@ public:
}
}
void ReadPosZ16(float pos[3]) const {
switch (decFmt_.posfmt) {
case DEC_FLOAT_3:
{
const float *f = (const float *)(data_ + decFmt_.posoff);
memcpy(pos, f, 12);
// TODO: Does non-through need conversion?
}
break;
case DEC_S16_3:
{
// X and Y are signed 16 bit, Z is unsigned 16 bit
const s16 *s = (const s16 *)(data_ + decFmt_.posoff);
const u16 *u = (const u16 *)(data_ + decFmt_.posoff);
if (isThrough()) {
for (int i = 0; i < 2; i++)
pos[i] = s[i];
pos[2] = u[2];
} else {
for (int i = 0; i < 3; i++)
pos[i] = s[i] * (1.f / 32767.f);
// TODO: Does depth need conversion?
}
}
break;
case DEC_S8_3:
{
// X and Y are signed 8 bit, Z is unsigned 8 bit
const s8 *b = (const s8 *)(data_ + decFmt_.posoff);
const u8 *u = (const u8 *)(data_ + decFmt_.posoff);
if (isThrough()) {
for (int i = 0; i < 2; i++)
pos[i] = b[i];
pos[2] = u[2];
} else {
for (int i = 0; i < 3; i++)
pos[i] = b[i] * (1.f / 127.f);
// TODO: Does depth need conversion?
}
}
break;
default:
ERROR_LOG_REPORT_ONCE(fmt, G3D, "Reader: Unsupported Pos Format %d", decFmt_.posfmt);
memset(pos, 0, sizeof(float) * 3);
break;
}
}
void ReadNrm(float nrm[3]) const {
switch (decFmt_.nrmfmt) {
case DEC_FLOAT_3:

3
GPU/Software/TransformUnit.cpp
View File

@ -100,7 +100,8 @@ static VertexData ReadVertex(VertexReader& vreader)
VertexData vertex;
float pos[3];
vreader.ReadPos(pos);
// VertexDecoder normally scales z, but we want it unscaled.
vreader.ReadPosZ16(pos);
if (!gstate.isModeClear() && gstate.isTextureMapEnabled() && vreader.hasUV()) {
float uv[2];