84 lines
2.0 KiB
C++
84 lines
2.0 KiB
C++
/* SPDX-FileCopyrightText: 2023 Blender Authors
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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/** \file
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* \ingroup RNA
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*/
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#include <cstdio>
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#include <cstdlib>
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#include <cstring>
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#include "BLI_utildefines.h"
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#include "RNA_define.hh"
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#include "rna_internal.hh" /* own include */
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#ifdef RNA_RUNTIME
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# include "BKE_context.hh"
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# include "BKE_global.hh"
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# include "BLI_math_vector.h"
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# include "DNA_scene_types.h"
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# include "IMB_imbuf.hh"
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# include "IMB_imbuf_types.hh"
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# include "RE_pipeline.h"
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# include "RE_texture.h"
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static void texture_evaluate(Tex *tex, const float value[3], float r_color[4])
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{
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TexResult texres = {0.0f};
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/* TODO(sergey): always use color management now. */
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multitex_ext(tex, value, nullptr, nullptr, 1, &texres, 0, nullptr, true, false);
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copy_v3_v3(r_color, texres.trgba);
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r_color[3] = texres.tin;
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}
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#else
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void RNA_api_texture(StructRNA *srna)
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{
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FunctionRNA *func;
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PropertyRNA *parm;
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func = RNA_def_function(srna, "evaluate", "texture_evaluate");
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RNA_def_function_ui_description(
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func, "Evaluate the texture at the a given coordinate and returns the result");
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parm = RNA_def_float_vector(
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func,
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"value",
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3,
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nullptr,
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-FLT_MAX,
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FLT_MAX,
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"The coordinates (x,y,z) of the texture, in case of a 3D texture, the z value is the slice "
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"of the texture that is evaluated. For 2D textures such as images, the z value is ignored",
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"",
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-1e4,
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1e4);
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RNA_def_parameter_flags(parm, PropertyFlag(0), PARM_REQUIRED);
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/* return location and normal */
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parm = RNA_def_float_vector(
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func,
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"result",
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4,
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nullptr,
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-FLT_MAX,
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FLT_MAX,
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"The result of the texture where (x,y,z,w) are (red, green, blue, intensity). "
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"For grayscale textures, often intensity only will be used",
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nullptr,
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-1e4,
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1e4);
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RNA_def_parameter_flags(parm, PROP_THICK_WRAP, ParameterFlag(0));
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RNA_def_function_output(func, parm);
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}
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#endif
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