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Scale Z to 0...1 in through mode.

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(alternatively, could try setting through mode depth range to 65536..0)
This commit is contained in:
Henrik Rydgard 2013-02-19 21:38:19 +01:00
parent d72d59f4b8
commit 67272ec271
1 changed files with 12 additions and 13 deletions
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25
GPU/GLES/VertexDecoder.h
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@ -192,21 +192,20 @@ public:
switch (decFmt_.posfmt) {
case DEC_FLOAT_3:
{
//memcpy(pos, data_ + decFmt_.posoff, 12);
const float *f = (const float *)(data_ + decFmt_.posoff);
for (int i = 0; i < 3; i++)
pos[i] = f[i] ;
memcpy(pos, f, 12);
// pos[2] is an integer value clamped between 0 and 65535
if ((vtype_ >> 23) & 0x1) {
if (pos[2] < 0.f) {
pos[2] = 0.f;
if (isThrough()) {
if (pos[2] < 0.f && pos[2] != 0.0f) { // make sure we get negative zero
pos[2] = 0.f;
} else if (pos[2] > 65535.f) {
pos[2] = 65535.f;
} else {
// 2D positions are always integer values: truncate float value
pos[2] = (int) pos[2];
}
pos[2] /= 65535.0f;
}
}
break;
@ -215,10 +214,10 @@ public:
// 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 ((vtype_ >> 23) & 0x1) {
if (isThrough()) {
for (int i = 0; i < 2; i++)
pos[i] = s[i] ;
pos[2] = u[2] ;
pos[i] = s[i];
pos[2] = u[2] / 65535.0f;
} else {
for (int i = 0; i < 3; i++)
pos[i] = s[i] * (1.f / 32767.f);
@ -230,10 +229,10 @@ public:
// 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 ((vtype_ >> 23) & 0x1) {
if (isThrough()) {
for (int i = 0; i < 2; i++)
pos[i] = b[i] ;
pos[2] = u[2] ;
pos[i] = b[i];
pos[2] = u[2] / 255.0f;
} else {
for (int i = 0; i < 3; i++)
pos[i] = b[i] * (1.f / 127.f);