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// Copyright 2009-2021 Intel Corporation
// SPDX-License-Identifier: Apache-2.0
#pragma once
#include "texture2d.isph"
#include "ospray/math/AffineSpace.ih"
//! Texture2D including coordinate transformation, plus helpers
struct TextureParam
{
uniform Texture2D* map;
affine2f xform;
};
inline uniform TextureParam make_TextureParam(uniform Texture2D * uniform tex, const uniform affine2f &xform)
{
uniform TextureParam t;
t.map = tex;
t.xform = xform;
return t;
}
inline bool valid(const uniform TextureParam uniform &tex)
{
return tex.map;
}
inline float get1f(const uniform TextureParam uniform &tex,
const varying Vec2f uv)
{
return get1f(tex.map, tex.xform * uv);
}
inline float get1f(const uniform TextureParam uniform &tex,
const varying Vec2f uv,
const varying float defaultValue)
{
if (tex.map == NULL)
return defaultValue;
return get1f(tex.map, tex.xform * uv);
}
inline Vec3f get3f(const uniform TextureParam uniform &tex,
const varying Vec2f uv)
{
return get3f(tex.map, tex.xform * uv);
}
inline Vec3f get3f(const uniform TextureParam uniform &tex,
const varying Vec2f uv,
const varying Vec3f defaultValue)
{
if (tex.map == NULL)
return defaultValue;
return get3f(tex.map, tex.xform * uv);
}
inline Vec4f get4f(const uniform TextureParam uniform &tex,
const varying Vec2f uv)
{
return get4f(tex.map, tex.xform * uv);
}
inline Vec4f get4f(const uniform TextureParam uniform &tex,
const varying Vec2f uv,
const varying Vec4f defaultValue)
{
if (tex.map == NULL)
return defaultValue;
return get4f(tex.map, tex.xform * uv);
}
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