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Texture lod bias should be signed

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This commit is contained in:
raven02 2014-04-05 14:30:23 +08:00
parent d8df88bc1f
commit a6523dd507
2 changed files with 2 additions and 8 deletions
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6
GPU/GLES/GLES_GPU.cpp
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@ -1581,12 +1581,6 @@ void GLES_GPU::ExecuteOpInternal(u32 op, u32 diff) {
#endif
case GE_CMD_TEXLEVEL:
#ifndef MOBILE_DEVICE
if (data == 1)
WARN_LOG_REPORT_ONCE(texLevel1, G3D, "Unsupported texture level bias settings: %06x", data)
else if (data != 0)
WARN_LOG_REPORT_ONCE(texLevel2, G3D, "Unsupported texture level bias settings: %06x", data);
#endif
if (diff)
gstate_c.textureChanged = true;
break;

4
GPU/GLES/TextureCache.cpp
View File

@ -489,8 +489,8 @@ void TextureCache::UpdateSamplingParams(TexCacheEntry &entry, bool force) {
// Enforce no mip filtering, for safety.
minFilt &= 1; // no mipmaps yet
} else {
// TODO: Is this a signed value? Which direction?
float lodBias = 0.0; // -(float)((gstate.texlevel >> 16) & 0xFF) / 16.0f;
// Texture lod bias should be signed.
float lodBias = (float)(int)(s8)((gstate.texlevel >> 16) & 0xFF) / 16.0f;
if (force || entry.lodBias != lodBias) {
#ifndef USING_GLES2
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_LOD_BIAS, lodBias);