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Implement sampler address modes (API, D3D, MTL, GL).

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This commit is contained in:
Stephen White
2018-03-29 14:02:52 -04:00
committed by Corentin Wallez
parent cd4f8a2e2f
commit a9e3d7fd00
6 changed files with 105 additions and 4 deletions
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17
src/backend/opengl/SamplerGL.cpp
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@@ -54,6 +54,20 @@ namespace backend { namespace opengl {
UNREACHABLE();
}
}
GLenum WrapMode(nxt::AddressMode mode) {
switch (mode) {
case nxt::AddressMode::Repeat:
return GL_REPEAT;
case nxt::AddressMode::MirroredRepeat:
return GL_MIRRORED_REPEAT;
case nxt::AddressMode::ClampToEdge:
return GL_CLAMP_TO_EDGE;
default:
UNREACHABLE();
}
}
} // namespace
Sampler::Sampler(SamplerBuilder* builder) : SamplerBase(builder) {
@@ -61,6 +75,9 @@ namespace backend { namespace opengl {
glSamplerParameteri(mHandle, GL_TEXTURE_MAG_FILTER, MagFilterMode(builder->GetMagFilter()));
glSamplerParameteri(mHandle, GL_TEXTURE_MIN_FILTER,
MinFilterMode(builder->GetMinFilter(), builder->GetMipMapFilter()));
glSamplerParameteri(mHandle, GL_TEXTURE_WRAP_R, WrapMode(builder->GetAddressModeW()));
glSamplerParameteri(mHandle, GL_TEXTURE_WRAP_S, WrapMode(builder->GetAddressModeU()));
glSamplerParameteri(mHandle, GL_TEXTURE_WRAP_T, WrapMode(builder->GetAddressModeV()));
}
GLuint Sampler::GetHandle() const {