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Clamp float z in throughmode, rather than wrapping.

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Matches tests, fixes sky in Tales of Eternia (#4572.)
This commit is contained in:
Unknown W. Brackets 2014-02-13 08:03:56 -08:00
parent eaa10de9af
commit 97192388b6
1 changed files with 6 additions and 2 deletions
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8
GPU/Common/VertexDecoderCommon.h
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@ -95,8 +95,8 @@ public:
const float *f = (const float *)(data_ + decFmt_.posoff);
memcpy(pos, f, 12);
if (isThrough()) {
// Integer value passed in a float. Wraps and all, required for Monster Hunter.
pos[2] = (float)((u16)(s32)pos[2]) * (1.0f / 65535.0f);
// Integer value passed in a float. Clamped to 0, 65535.
pos[2] = pos[2] > 65535.0f ? 1.0f : (pos[2] < 0.0f ? 0.0f : pos[2] * (1.0f / 65535.0f));
}
// See https://github.com/hrydgard/ppsspp/pull/3419, something is weird.
}
@ -144,6 +144,10 @@ public:
{
const float *f = (const float *)(data_ + decFmt_.posoff);
memcpy(pos, f, 12);
if (isThrough()) {
// Integer value passed in a float. Clamped to 0, 65535.
pos[2] = pos[2] > 65535.0f ? 65535.0f : (pos[2] < 0.0f ? 0.0f : pos[2]);
}
// TODO: Does non-through need conversion?
}
break;