108 lines
2.9 KiB
C++
108 lines
2.9 KiB
C++
/* SPDX-FileCopyrightText: 2006 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 render
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*
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* This include is for non-render pipeline exports (still old cruft here).
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*/
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#pragma once
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#include "BLI_compiler_attrs.h"
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/* called by meshtools */
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namespace blender {
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struct Depsgraph;
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struct ImagePool;
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struct MTex;
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struct Tex;
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/* `texture_procedural.cc` */
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/**
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* \param pool: Thread pool, may be NULL.
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*
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* \return True if the texture has color, otherwise false.
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*/
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bool RE_texture_evaluate(const struct MTex *mtex,
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const float vec[3],
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int thread,
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struct ImagePool *pool,
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bool skip_load_image,
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bool texnode_preview,
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/* Return arguments. */
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float *r_intensity,
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float r_rgba[4]) ATTR_NONNULL(1, 2, 7, 8);
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/**
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* \param tex: Texture.
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* \param out: Previous color.
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* \param fact: Texture strength.
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* \param facg: Button strength value.
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*/
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float texture_value_blend(float tex, float out, float fact, float facg, int blendtype);
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void RE_texture_rng_init();
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void RE_texture_rng_exit();
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/* `texture_procedural.cc` */
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/**
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* Texture evaluation result.
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*/
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struct TexResult {
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float tin;
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float trgba[4];
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/* Is actually a boolean: When true -> use alpha, false -> set alpha to 1.0. */
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int talpha;
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};
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/* This one uses nodes. */
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/**
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* WARNING(@ideasman42): if the texres's values are not declared zero,
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* check the return value to be sure the color values are set before using the r/g/b values,
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* otherwise you may use uninitialized values.
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*
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* Use it for stuff which is out of render pipeline.
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*/
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int multitex_ext(struct Tex *tex,
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const float texvec[3],
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struct TexResult *texres,
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short thread,
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struct ImagePool *pool,
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bool scene_color_manage,
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bool skip_load_image);
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/**
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* Nodes disabled.
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* extern-tex doesn't support nodes (#ntreeBeginExec() can't be called when rendering is going on).
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*
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* Use it for stuff which is out of render pipeline.
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*/
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int multitex_ext_safe(struct Tex *tex,
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const float texvec[3],
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struct TexResult *texres,
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struct ImagePool *pool,
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bool scene_color_manage,
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bool skip_load_image);
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/**
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* Only for internal node usage.
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*
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* this is called from the shader and texture nodes
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* Use it from render pipeline only!
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*/
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int multitex_nodes(struct Tex *tex,
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const float texvec[3],
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struct TexResult *texres,
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short thread,
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short which_output,
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const struct MTex *mtex,
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struct ImagePool *pool);
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} // namespace blender
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