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Merge pull request #281 from raven02/master

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gl4: implement texture max anisotropy
This commit is contained in:
Ben Vanik
2015-06-26 07:52:18 -07:00
parent 248625832e d7dfb681aa
commit 55f6ab4f38
4 changed files with 36 additions and 4 deletions
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29
src/xenia/gpu/gl4/texture_cache.cc
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@@ -362,8 +362,33 @@ TextureCache::SamplerEntry* TextureCache::LookupOrInsertSampler(
glSamplerParameteri(entry->handle, GL_TEXTURE_MIN_FILTER, min_filter);
glSamplerParameteri(entry->handle, GL_TEXTURE_MAG_FILTER, mag_filter);
// TODO(benvanik): anisotropic filtering.
// GL_TEXTURE_MAX_ANISOTROPY_EXT
GLfloat aniso;
switch (sampler_info.aniso_filter) {
case ucode::ANISO_FILTER_DISABLED:
aniso = 0.0f;
break;
case ucode::ANISO_FILTER_MAX_1_1:
aniso = 1.0f;
break;
case ucode::ANISO_FILTER_MAX_2_1:
aniso = 2.0f;
break;
case ucode::ANISO_FILTER_MAX_4_1:
aniso = 4.0f;
break;
case ucode::ANISO_FILTER_MAX_8_1:
aniso = 8.0f;
break;
case ucode::ANISO_FILTER_MAX_16_1:
aniso = 16.0f;
break;
default:
assert_unhandled_case(aniso);
return nullptr;
}
if (aniso)
glSamplerParameterf(entry->handle, GL_TEXTURE_MAX_ANISOTROPY_EXT, aniso);
// Add to map - map takes ownership.
auto entry_ptr = entry.get();