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// Copyright 2024 Intel Corporation
// SPDX-License-Identifier: Apache-2.0
#include "TextureParam.ih"
OSPRAY_BEGIN_ISPC_NAMESPACE
#define TEXTURE_TRANSFORM(fn) \
DifferentialGeometry xfmDg = dg; \
if (tp.transformFlags & TRANSFORM_FLAG_2D) { \
xfmDg.st = xfmPoint(tp.xform2f, dg.st); \
xfmDg.pixelFootprint *= tp.scale2f; \
} \
if (tp.transformFlags & TRANSFORM_FLAG_3D) \
xfmDg.lP = xfmPoint(tp.xform3f, dg.lP); \
return fn(tp.ptr, xfmDg)
SYCL_EXTERNAL __noinline float get1f(const uniform TextureParam uniform &tp,
const varying DifferentialGeometry &dg)
{
TEXTURE_TRANSFORM(get1f);
}
SYCL_EXTERNAL __noinline vec3f get3f(const uniform TextureParam uniform &tp,
const varying DifferentialGeometry &dg)
{
TEXTURE_TRANSFORM(get3f);
}
SYCL_EXTERNAL __noinline vec4f get4f(const uniform TextureParam uniform &tp,
const varying DifferentialGeometry &dg)
{
TEXTURE_TRANSFORM(get4f);
}
SYCL_EXTERNAL __noinline vec3f getNormal(const uniform TextureParam uniform &tp,
const varying DifferentialGeometry &dg)
{
TEXTURE_TRANSFORM(getNormal);
}
OSPRAY_END_ISPC_NAMESPACE
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