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diff --git a/source/blender/render/intern/texture_procedural.c b/source/blender/render/intern/texture_procedural.c
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+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
+ * All rights reserved.
+ */
+
+/** \file
+ * \ingroup render
+ */
+
+#include <math.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "BLI_math.h"
+#include "BLI_noise.h"
+#include "BLI_rand.h"
+#include "BLI_utildefines.h"
+
+#include "DNA_anim_types.h"
+#include "DNA_image_types.h"
+#include "DNA_light_types.h"
+#include "DNA_material_types.h"
+#include "DNA_meshdata_types.h"
+#include "DNA_node_types.h"
+#include "DNA_object_types.h"
+#include "DNA_texture_types.h"
+
+#include "IMB_colormanagement.h"
+#include "IMB_imbuf_types.h"
+
+#include "BKE_image.h"
+#include "BKE_node.h"
+
+#include "BKE_colorband.h"
+#include "BKE_material.h"
+#include "BKE_scene.h"
+
+#include "BKE_texture.h"
+
+#include "MEM_guardedalloc.h"
+
+#include "render_types.h"
+#include "texture_common.h"
+
+#include "RE_texture.h"
+
+static RNG_THREAD_ARRAY *random_tex_array;
+
+void RE_texture_rng_init(void)
+{
+ random_tex_array = BLI_rng_threaded_new();
+}
+
+void RE_texture_rng_exit(void)
+{
+ if (random_tex_array == NULL) {
+ return;
+ }
+ BLI_rng_threaded_free(random_tex_array);
+ random_tex_array = NULL;
+}
+
+/* ------------------------------------------------------------------------- */
+
+/* this allows colorbanded textures to control normals as well */
+static void tex_normal_derivate(const Tex *tex, TexResult *texres)
+{
+ if (tex->flag & TEX_COLORBAND) {
+ float col[4];
+ if (BKE_colorband_evaluate(tex->coba, texres->tin, col)) {
+ float fac0, fac1, fac2, fac3;
+
+ fac0 = (col[0] + col[1] + col[2]);
+ BKE_colorband_evaluate(tex->coba, texres->nor[0], col);
+ fac1 = (col[0] + col[1] + col[2]);
+ BKE_colorband_evaluate(tex->coba, texres->nor[1], col);
+ fac2 = (col[0] + col[1] + col[2]);
+ BKE_colorband_evaluate(tex->coba, texres->nor[2], col);
+ fac3 = (col[0] + col[1] + col[2]);
+
+ texres->nor[0] = (fac0 - fac1) / 3.0f;
+ texres->nor[1] = (fac0 - fac2) / 3.0f;
+ texres->nor[2] = (fac0 - fac3) / 3.0f;
+
+ return;
+ }
+ }
+ texres->nor[0] = texres->tin - texres->nor[0];
+ texres->nor[1] = texres->tin - texres->nor[1];
+ texres->nor[2] = texres->tin - texres->nor[2];
+}
+
+static int blend(const Tex *tex, const float texvec[3], TexResult *texres)
+{
+ float x, y, t;
+
+ if (tex->flag & TEX_FLIPBLEND) {
+ x = texvec[1];
+ y = texvec[0];
+ }
+ else {
+ x = texvec[0];
+ y = texvec[1];
+ }
+
+ if (tex->stype == TEX_LIN) { /* lin */
+ texres->tin = (1.0f + x) / 2.0f;
+ }
+ else if (tex->stype == TEX_QUAD) { /* quad */
+ texres->tin = (1.0f + x) / 2.0f;
+ if (texres->tin < 0.0f) {
+ texres->tin = 0.0f;
+ }
+ else {
+ texres->tin *= texres->tin;
+ }
+ }
+ else if (tex->stype == TEX_EASE) { /* ease */
+ texres->tin = (1.0f + x) / 2.0f;
+ if (texres->tin <= 0.0f) {
+ texres->tin = 0.0f;
+ }
+ else if (texres->tin >= 1.0f) {
+ texres->tin = 1.0f;
+ }
+ else {
+ t = texres->tin * texres->tin;
+ texres->tin = (3.0f * t - 2.0f * t * texres->tin);
+ }
+ }
+ else if (tex->stype == TEX_DIAG) { /* diag */
+ texres->tin = (2.0f + x + y) / 4.0f;
+ }
+ else if (tex->stype == TEX_RAD) { /* radial */
+ texres->tin = (atan2f(y, x) / (float)(2 * M_PI) + 0.5f);
+ }
+ else { /* sphere TEX_SPHERE */
+ texres->tin = 1.0f - sqrtf(x * x + y * y + texvec[2] * texvec[2]);
+ if (texres->tin < 0.0f) {
+ texres->tin = 0.0f;
+ }
+ if (tex->stype == TEX_HALO) {
+ texres->tin *= texres->tin; /* halo */
+ }
+ }
+
+ BRICONT;
+
+ return TEX_INT;
+}
+
+/* ------------------------------------------------------------------------- */
+/* ************************************************************************* */
+
+/* newnoise: all noisebased types now have different noisebases to choose from */
+
+static int clouds(const Tex *tex, const float texvec[3], TexResult *texres)
+{
+ int rv = TEX_INT;
+
+ texres->tin = BLI_noise_generic_turbulence(tex->noisesize,
+ texvec[0],
+ texvec[1],
+ texvec[2],
+ tex->noisedepth,
+ (tex->noisetype != TEX_NOISESOFT),
+ tex->noisebasis);
+
+ if (texres->nor != NULL) {
+ /* calculate bumpnormal */
+ texres->nor[0] = BLI_noise_generic_turbulence(tex->noisesize,
+ texvec[0] + tex->nabla,
+ texvec[1],
+ texvec[2],
+ tex->noisedepth,
+ (tex->noisetype != TEX_NOISESOFT),
+ tex->noisebasis);
+ texres->nor[1] = BLI_noise_generic_turbulence(tex->noisesize,
+ texvec[0],
+ texvec[1] + tex->nabla,
+ texvec[2],
+ tex->noisedepth,
+ (tex->noisetype != TEX_NOISESOFT),
+ tex->noisebasis);
+ texres->nor[2] = BLI_noise_generic_turbulence(tex->noisesize,
+ texvec[0],
+ texvec[1],
+ texvec[2] + tex->nabla,
+ tex->noisedepth,
+ (tex->noisetype != TEX_NOISESOFT),
+ tex->noisebasis);
+
+ tex_normal_derivate(tex, texres);
+ rv |= TEX_NOR;
+ }
+
+ if (tex->stype == TEX_COLOR) {
+ /* in this case, int. value should really be computed from color,
+ * and bumpnormal from that, would be too slow, looks ok as is */
+ texres->tr = texres->tin;
+ texres->tg = BLI_noise_generic_turbulence(tex->noisesize,
+ texvec[1],
+ texvec[0],
+ texvec[2],
+ tex->noisedepth,
+ (tex->noisetype != TEX_NOISESOFT),
+ tex->noisebasis);
+ texres->tb = BLI_noise_generic_turbulence(tex->noisesize,
+ texvec[1],
+ texvec[2],
+ texvec[0],
+ tex->noisedepth,
+ (tex->noisetype != TEX_NOISESOFT),
+ tex->noisebasis);
+ BRICONTRGB;
+ texres->ta = 1.0;
+ return (rv | TEX_RGB);
+ }
+
+ BRICONT;
+
+ return rv;
+}
+
+/* creates a sine wave */
+static float tex_sin(float a)
+{
+ a = 0.5f + 0.5f * sinf(a);
+
+ return a;
+}
+
+/* creates a saw wave */
+static float tex_saw(float a)
+{
+ const float b = 2 * M_PI;
+
+ int n = (int)(a / b);
+ a -= n * b;
+ if (a < 0) {
+ a += b;
+ }
+ return a / b;
+}
+
+/* creates a triangle wave */
+static float tex_tri(float a)
+{
+ const float b = 2 * M_PI;
+ const float rmax = 1.0;
+
+ a = rmax - 2.0f * fabsf(floorf((a * (1.0f / b)) + 0.5f) - (a * (1.0f / b)));
+
+ return a;
+}
+
+/* computes basic wood intensity value at x,y,z */
+static float wood_int(const Tex *tex, float x, float y, float z)
+{
+ float wi = 0;
+ /* wave form: TEX_SIN=0, TEX_SAW=1, TEX_TRI=2 */
+ short wf = tex->noisebasis2;
+ /* wood type: TEX_BAND=0, TEX_RING=1, TEX_BANDNOISE=2, TEX_RINGNOISE=3 */
+ short wt = tex->stype;
+
+ float (*waveform[3])(float); /* create array of pointers to waveform functions */
+ waveform[0] = tex_sin; /* assign address of tex_sin() function to pointer array */
+ waveform[1] = tex_saw;
+ waveform[2] = tex_tri;
+
+ if ((wf > TEX_TRI) || (wf < TEX_SIN)) {
+ wf = 0; /* check to be sure noisebasis2 is initialized ahead of time */
+ }
+
+ if (wt == TEX_BAND) {
+ wi = waveform[wf]((x + y + z) * 10.0f);
+ }
+ else if (wt == TEX_RING) {
+ wi = waveform[wf](sqrtf(x * x + y * y + z * z) * 20.0f);
+ }
+ else if (wt == TEX_BANDNOISE) {
+ wi = tex->turbul *
+ BLI_noise_generic_noise(
+ tex->noisesize, x, y, z, (tex->noisetype != TEX_NOISESOFT), tex->noisebasis);
+ wi = waveform[wf]((x + y + z) * 10.0f + wi);
+ }
+ else if (wt == TEX_RINGNOISE) {
+ wi = tex->turbul *
+ BLI_noise_generic_noise(
+ tex->noisesize, x, y, z, (tex->noisetype != TEX_NOISESOFT), tex->noisebasis);
+ wi = waveform[wf](sqrtf(x * x + y * y + z * z) * 20.0f + wi);
+ }
+
+ return wi;
+}
+
+static int wood(const Tex *tex, const float texvec[3], TexResult *texres)
+{
+ int rv = TEX_INT;
+
+ texres->tin = wood_int(tex, texvec[0], texvec[1], texvec[2]);
+ if (texres->nor != NULL) {
+ /* calculate bumpnormal */
+ texres->nor[0] = wood_int(tex, texvec[0] + tex->nabla, texvec[1], texvec[2]);
+ texres->nor[1] = wood_int(tex, texvec[0], texvec[1] + tex->nabla, texvec[2]);
+ texres->nor[2] = wood_int(tex, texvec[0], texvec[1], texvec[2] + tex->nabla);
+
+ tex_normal_derivate(tex, texres);
+ rv |= TEX_NOR;
+ }
+
+ BRICONT;
+
+ return rv;
+}
+
+/* computes basic marble intensity at x,y,z */
+static float marble_int(const Tex *tex, float x, float y, float z)
+{
+ float n, mi;
+ short wf = tex->noisebasis2; /* wave form: TEX_SIN=0, TEX_SAW=1, TEX_TRI=2 */
+ short mt = tex->stype; /* marble type: TEX_SOFT=0, TEX_SHARP=1, TEX_SHAPER=2 */
+
+ float (*waveform[3])(float); /* create array of pointers to waveform functions */
+ waveform[0] = tex_sin; /* assign address of tex_sin() function to pointer array */
+ waveform[1] = tex_saw;
+ waveform[2] = tex_tri;
+
+ if ((wf > TEX_TRI) || (wf < TEX_SIN)) {
+ wf = 0; /* check to be sure noisebasis2 isn't initialized ahead of time */
+ }
+
+ n = 5.0f * (x + y + z);
+
+ mi = n + tex->turbul * BLI_noise_generic_turbulence(tex->noisesize,
+ x,
+ y,
+ z,
+ tex->noisedepth,
+ (tex->noisetype != TEX_NOISESOFT),
+ tex->noisebasis);
+
+ if (mt >= TEX_SOFT) { /* TEX_SOFT always true */
+ mi = waveform[wf](mi);
+ if (mt == TEX_SHARP) {
+ mi = sqrtf(mi);
+ }
+ else if (mt == TEX_SHARPER) {
+ mi = sqrtf(sqrtf(mi));
+ }
+ }
+
+ return mi;
+}
+
+static int marble(const Tex *tex, const float texvec[3], TexResult *texres)
+{
+ int rv = TEX_INT;
+
+ texres->tin = marble_int(tex, texvec[0], texvec[1], texvec[2]);
+
+ if (texres->nor != NULL) {
+ /* calculate bumpnormal */
+ texres->nor[0] = marble_int(tex, texvec[0] + tex->nabla, texvec[1], texvec[2]);
+ texres->nor[1] = marble_int(tex, texvec[0], texvec[1] + tex->nabla, texvec[2]);
+ texres->nor[2] = marble_int(tex, texvec[0], texvec[1], texvec[2] + tex->nabla);
+
+ tex_normal_derivate(tex, texres);
+
+ rv |= TEX_NOR;
+ }
+
+ BRICONT;
+
+ return rv;
+}
+
+/* ------------------------------------------------------------------------- */
+
+static int magic(const Tex *tex, const float texvec[3], TexResult *texres)
+{
+ float x, y, z, turb;
+ int n;
+
+ n = tex->noisedepth;
+ turb = tex->turbul / 5.0f;
+
+ x = sinf((texvec[0] + texvec[1] + texvec[2]) * 5.0f);
+ y = cosf((-texvec[0] + texvec[1] - texvec[2]) * 5.0f);
+ z = -cosf((-texvec[0] - texvec[1] + texvec[2]) * 5.0f);
+ if (n > 0) {
+ x *= turb;
+ y *= turb;
+ z *= turb;
+ y = -cosf(x - y + z);
+ y *= turb;
+ if (n > 1) {
+ x = cosf(x - y - z);
+ x *= turb;
+ if (n > 2) {
+ z = sinf(-x - y - z);
+ z *= turb;
+ if (n > 3) {
+ x = -cosf(-x + y - z);
+ x *= turb;
+ if (n > 4) {
+ y = -sinf(-x + y + z);
+ y *= turb;
+ if (n > 5) {
+ y = -cosf(-x + y + z);
+ y *= turb;
+ if (n > 6) {
+ x = cosf(x + y + z);
+ x *= turb;
+ if (n > 7) {
+ z = sinf(x + y - z);
+ z *= turb;
+ if (n > 8) {
+ x = -cosf(-x - y + z);
+ x *= turb;
+ if (n > 9) {
+ y = -sinf(x - y + z);
+ y *= turb;
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+
+ if (turb != 0.0f) {
+ turb *= 2.0f;
+ x /= turb;
+ y /= turb;
+ z /= turb;
+ }
+ texres->tr = 0.5f - x;
+ texres->tg = 0.5f - y;
+ texres->tb = 0.5f - z;
+
+ texres->tin = (1.0f / 3.0f) * (texres->tr + texres->tg + texres->tb);
+
+ BRICONTRGB;
+ texres->ta = 1.0f;
+
+ return TEX_RGB;
+}
+
+/* ------------------------------------------------------------------------- */
+
+/* newnoise: stucci also modified to use different noisebasis */
+static int stucci(const Tex *tex, const float texvec[3], TexResult *texres)
+{
+ float nor[3], b2, ofs;
+ int retval = TEX_INT;
+
+ b2 = BLI_noise_generic_noise(tex->noisesize,
+ texvec[0],
+ texvec[1],
+ texvec[2],
+ (tex->noisetype != TEX_NOISESOFT),
+ tex->noisebasis);
+
+ ofs = tex->turbul / 200.0f;
+
+ if (tex->stype) {
+ ofs *= (b2 * b2);
+ }
+ nor[0] = BLI_noise_generic_noise(tex->noisesize,
+ texvec[0] + ofs,
+ texvec[1],
+ texvec[2],
+ (tex->noisetype != TEX_NOISESOFT),
+ tex->noisebasis);
+ nor[1] = BLI_noise_generic_noise(tex->noisesize,
+ texvec[0],
+ texvec[1] + ofs,
+ texvec[2],
+ (tex->noisetype != TEX_NOISESOFT),
+ tex->noisebasis);
+ nor[2] = BLI_noise_generic_noise(tex->noisesize,
+ texvec[0],
+ texvec[1],
+ texvec[2] + ofs,
+ (tex->noisetype != TEX_NOISESOFT),
+ tex->noisebasis);
+
+ texres->tin = nor[2];
+
+ if (texres->nor) {
+
+ copy_v3_v3(texres->nor, nor);
+ tex_normal_derivate(tex, texres);
+
+ if (tex->stype == TEX_WALLOUT) {
+ texres->nor[0] = -texres->nor[0];
+ texres->nor[1] = -texres->nor[1];
+ texres->nor[2] = -texres->nor[2];
+ }
+
+ retval |= TEX_NOR;
+ }
+
+ if (tex->stype == TEX_WALLOUT) {
+ texres->tin = 1.0f - texres->tin;
+ }
+
+ if (texres->tin < 0.0f) {
+ texres->tin = 0.0f;
+ }
+
+ return retval;
+}
+
+/* ------------------------------------------------------------------------- */
+/* newnoise: musgrave terrain noise types */
+
+static int mg_mFractalOrfBmTex(const Tex *tex, const float texvec[3], TexResult *texres)
+{
+ int rv = TEX_INT;
+ float (*mgravefunc)(float, float, float, float, float, float, int);
+
+ if (tex->stype == TEX_MFRACTAL) {
+ mgravefunc = BLI_noise_mg_multi_fractal;
+ }
+ else {
+ mgravefunc = BLI_noise_mg_fbm;
+ }
+
+ texres->tin = tex->ns_outscale * mgravefunc(texvec[0],
+ texvec[1],
+ texvec[2],
+ tex->mg_H,
+ tex->mg_lacunarity,
+ tex->mg_octaves,
+ tex->noisebasis);
+
+ if (texres->nor != NULL) {
+ float offs = tex->nabla / tex->noisesize; /* also scaling of texvec */
+
+ /* calculate bumpnormal */
+ texres->nor[0] = tex->ns_outscale * mgravefunc(texvec[0] + offs,
+ texvec[1],
+ texvec[2],
+ tex->mg_H,
+ tex->mg_lacunarity,
+ tex->mg_octaves,
+ tex->noisebasis);
+ texres->nor[1] = tex->ns_outscale * mgravefunc(texvec[0],
+ texvec[1] + offs,
+ texvec[2],
+ tex->mg_H,
+ tex->mg_lacunarity,
+ tex->mg_octaves,
+ tex->noisebasis);
+ texres->nor[2] = tex->ns_outscale * mgravefunc(texvec[0],
+ texvec[1],
+ texvec[2] + offs,
+ tex->mg_H,
+ tex->mg_lacunarity,
+ tex->mg_octaves,
+ tex->noisebasis);
+
+ tex_normal_derivate(tex, texres);
+ rv |= TEX_NOR;
+ }
+
+ BRICONT;
+
+ return rv;
+}
+
+static int mg_ridgedOrHybridMFTex(const Tex *tex, const float texvec[3], TexResult *texres)
+{
+ int rv = TEX_INT;
+ float (*mgravefunc)(float, float, float, float, float, float, float, float, int);
+
+ if (tex->stype == TEX_RIDGEDMF) {
+ mgravefunc = BLI_noise_mg_ridged_multi_fractal;
+ }
+ else {
+ mgravefunc = BLI_noise_mg_hybrid_multi_fractal;
+ }
+
+ texres->tin = tex->ns_outscale * mgravefunc(texvec[0],
+ texvec[1],
+ texvec[2],
+ tex->mg_H,
+ tex->mg_lacunarity,
+ tex->mg_octaves,
+ tex->mg_offset,
+ tex->mg_gain,
+ tex->noisebasis);
+
+ if (texres->nor != NULL) {
+ float offs = tex->nabla / tex->noisesize; /* also scaling of texvec */
+
+ /* calculate bumpnormal */
+ texres->nor[0] = tex->ns_outscale * mgravefunc(texvec[0] + offs,
+ texvec[1],
+ texvec[2],
+ tex->mg_H,
+ tex->mg_lacunarity,
+ tex->mg_octaves,
+ tex->mg_offset,
+ tex->mg_gain,
+ tex->noisebasis);
+ texres->nor[1] = tex->ns_outscale * mgravefunc(texvec[0],
+ texvec[1] + offs,
+ texvec[2],
+ tex->mg_H,
+ tex->mg_lacunarity,
+ tex->mg_octaves,
+ tex->mg_offset,
+ tex->mg_gain,
+ tex->noisebasis);
+ texres->nor[2] = tex->ns_outscale * mgravefunc(texvec[0],
+ texvec[1],
+ texvec[2] + offs,
+ tex->mg_H,
+ tex->mg_lacunarity,
+ tex->mg_octaves,
+ tex->mg_offset,
+ tex->mg_gain,
+ tex->noisebasis);
+
+ tex_normal_derivate(tex, texres);
+ rv |= TEX_NOR;
+ }
+
+ BRICONT;
+
+ return rv;
+}
+
+static int mg_HTerrainTex(const Tex *tex, const float texvec[3], TexResult *texres)
+{
+ int rv = TEX_INT;
+
+ texres->tin = tex->ns_outscale * BLI_noise_mg_hetero_terrain(texvec[0],
+ texvec[1],
+ texvec[2],
+ tex->mg_H,
+ tex->mg_lacunarity,
+ tex->mg_octaves,
+ tex->mg_offset,
+ tex->noisebasis);
+
+ if (texres->nor != NULL) {
+ float offs = tex->nabla / tex->noisesize; /* also scaling of texvec */
+
+ /* calculate bumpnormal */
+ texres->nor[0] = tex->ns_outscale * BLI_noise_mg_hetero_terrain(texvec[0] + offs,
+ texvec[1],
+ texvec[2],
+ tex->mg_H,
+ tex->mg_lacunarity,
+ tex->mg_octaves,
+ tex->mg_offset,
+ tex->noisebasis);
+ texres->nor[1] = tex->ns_outscale * BLI_noise_mg_hetero_terrain(texvec[0],
+ texvec[1] + offs,
+ texvec[2],
+ tex->mg_H,
+ tex->mg_lacunarity,
+ tex->mg_octaves,
+ tex->mg_offset,
+ tex->noisebasis);
+ texres->nor[2] = tex->ns_outscale * BLI_noise_mg_hetero_terrain(texvec[0],
+ texvec[1],
+ texvec[2] + offs,
+ tex->mg_H,
+ tex->mg_lacunarity,
+ tex->mg_octaves,
+ tex->mg_offset,
+ tex->noisebasis);
+
+ tex_normal_derivate(tex, texres);
+ rv |= TEX_NOR;
+ }
+
+ BRICONT;
+
+ return rv;
+}
+
+static int mg_distNoiseTex(const Tex *tex, const float texvec[3], TexResult *texres)
+{
+ int rv = TEX_INT;
+
+ texres->tin = BLI_noise_mg_variable_lacunarity(
+ texvec[0], texvec[1], texvec[2], tex->dist_amount, tex->noisebasis, tex->noisebasis2);
+
+ if (texres->nor != NULL) {
+ float offs = tex->nabla / tex->noisesize; /* also scaling of texvec */
+
+ /* calculate bumpnormal */
+ texres->nor[0] = BLI_noise_mg_variable_lacunarity(texvec[0] + offs,
+ texvec[1],
+ texvec[2],
+ tex->dist_amount,
+ tex->noisebasis,
+ tex->noisebasis2);
+ texres->nor[1] = BLI_noise_mg_variable_lacunarity(texvec[0],
+ texvec[1] + offs,
+ texvec[2],
+ tex->dist_amount,
+ tex->noisebasis,
+ tex->noisebasis2);
+ texres->nor[2] = BLI_noise_mg_variable_lacunarity(texvec[0],
+ texvec[1],
+ texvec[2] + offs,
+ tex->dist_amount,
+ tex->noisebasis,
+ tex->noisebasis2);
+
+ tex_normal_derivate(tex, texres);
+ rv |= TEX_NOR;
+ }
+
+ BRICONT;
+
+ return rv;
+}
+
+/* ------------------------------------------------------------------------- */
+/* newnoise: Voronoi texture type
+ *
+ * probably the slowest, especially with minkovsky, bumpmapping, could be done another way.
+ */
+
+static int voronoiTex(const Tex *tex, const float texvec[3], TexResult *texres)
+{
+ int rv = TEX_INT;
+ float da[4], pa[12]; /* distance and point coordinate arrays of 4 nearest neighbors */
+ float aw1 = fabsf(tex->vn_w1);
+ float aw2 = fabsf(tex->vn_w2);
+ float aw3 = fabsf(tex->vn_w3);
+ float aw4 = fabsf(tex->vn_w4);
+ float sc = (aw1 + aw2 + aw3 + aw4);
+ if (sc != 0.0f) {
+ sc = tex->ns_outscale / sc;
+ }
+
+ BLI_noise_voronoi(texvec[0], texvec[1], texvec[2], da, pa, tex->vn_mexp, tex->vn_distm);
+ texres->tin = sc * fabsf(dot_v4v4(&tex->vn_w1, da));
+
+ if (tex->vn_coltype) {
+ float ca[3]; /* cell color */
+ BLI_noise_cell_v3(pa[0], pa[1], pa[2], ca);
+ texres->tr = aw1 * ca[0];
+ texres->tg = aw1 * ca[1];
+ texres->tb = aw1 * ca[2];
+ BLI_noise_cell_v3(pa[3], pa[4], pa[5], ca);
+ texres->tr += aw2 * ca[0];
+ texres->tg += aw2 * ca[1];
+ texres->tb += aw2 * ca[2];
+ BLI_noise_cell_v3(pa[6], pa[7], pa[8], ca);
+ texres->tr += aw3 * ca[0];
+ texres->tg += aw3 * ca[1];
+ texres->tb += aw3 * ca[2];
+ BLI_noise_cell_v3(pa[9], pa[10], pa[11], ca);
+ texres->tr += aw4 * ca[0];
+ texres->tg += aw4 * ca[1];
+ texres->tb += aw4 * ca[2];
+ if (tex->vn_coltype >= 2) {
+ float t1 = (da[1] - da[0]) * 10;
+ if (t1 > 1) {
+ t1 = 1;
+ }
+ if (tex->vn_coltype == 3) {
+ t1 *= texres->tin;
+ }
+ else {
+ t1 *= sc;
+ }
+ texres->tr *= t1;
+ texres->tg *= t1;
+ texres->tb *= t1;
+ }
+ else {
+ texres->tr *= sc;
+ texres->tg *= sc;
+ texres->tb *= sc;
+ }
+ }
+
+ if (texres->nor != NULL) {
+ float offs = tex->nabla / tex->noisesize; /* also scaling of texvec */
+
+ /* calculate bumpnormal */
+ BLI_noise_voronoi(texvec[0] + offs, texvec[1], texvec[2], da, pa, tex->vn_mexp, tex->vn_distm);
+ texres->nor[0] = sc * fabsf(dot_v4v4(&tex->vn_w1, da));
+ BLI_noise_voronoi(texvec[0], texvec[1] + offs, texvec[2], da, pa, tex->vn_mexp, tex->vn_distm);
+ texres->nor[1] = sc * fabsf(dot_v4v4(&tex->vn_w1, da));
+ BLI_noise_voronoi(texvec[0], texvec[1], texvec[2] + offs, da, pa, tex->vn_mexp, tex->vn_distm);
+ texres->nor[2] = sc * fabsf(dot_v4v4(&tex->vn_w1, da));
+
+ tex_normal_derivate(tex, texres);
+ rv |= TEX_NOR;
+ }
+
+ if (tex->vn_coltype) {
+ BRICONTRGB;
+ texres->ta = 1.0;
+ return (rv | TEX_RGB);
+ }
+
+ BRICONT;
+
+ return rv;
+}
+
+/* ------------------------------------------------------------------------- */
+
+static int texnoise(const Tex *tex, TexResult *texres, int thread)
+{
+ float div = 3.0;
+ int val, ran, loop, shift = 29;
+
+ ran = BLI_rng_thread_rand(random_tex_array, thread);
+
+ loop = tex->noisedepth;
+
+ /* start from top bits since they have more variance */
+ val = ((ran >> shift) & 3);
+
+ while (loop--) {
+ shift -= 2;
+ val *= ((ran >> shift) & 3);
+ div *= 3.0f;
+ }
+
+ texres->tin = ((float)val) / div;
+
+ BRICONT;
+ return TEX_INT;
+}
+
+/* ------------------------------------------------------------------------- */
+
+static int cubemap_glob(const float n[3], float x, float y, float z, float *adr1, float *adr2)
+{
+ float x1, y1, z1, nor[3];
+ int ret;
+
+ if (n == NULL) {
+ nor[0] = x;
+ nor[1] = y;
+ nor[2] = z; /* use local render coord */
+ }
+ else {
+ copy_v3_v3(nor, n);
+ }
+
+ x1 = fabsf(nor[0]);
+ y1 = fabsf(nor[1]);
+ z1 = fabsf(nor[2]);
+
+ if (z1 >= x1 && z1 >= y1) {
+ *adr1 = (x + 1.0f) / 2.0f;
+ *adr2 = (y + 1.0f) / 2.0f;
+ ret = 0;
+ }
+ else if (y1 >= x1 && y1 >= z1) {
+ *adr1 = (x + 1.0f) / 2.0f;
+ *adr2 = (z + 1.0f) / 2.0f;
+ ret = 1;
+ }
+ else {
+ *adr1 = (y + 1.0f) / 2.0f;
+ *adr2 = (z + 1.0f) / 2.0f;
+ ret = 2;
+ }
+ return ret;
+}
+
+/* ------------------------------------------------------------------------- */
+
+static void do_2d_mapping(
+ const MTex *mtex, float texvec[3], const float n[3], float dxt[3], float dyt[3])
+{
+ Tex *tex;
+ float fx, fy, fac1, area[8];
+ int ok, proj, areaflag = 0, wrap;
+
+ /* #MTex variables localized, only cube-map doesn't cooperate yet. */
+ wrap = mtex->mapping;
+ tex = mtex->tex;
+
+ if (!(dxt && dyt)) {
+
+ if (wrap == MTEX_FLAT) {
+ fx = (texvec[0] + 1.0f) / 2.0f;
+ fy = (texvec[1] + 1.0f) / 2.0f;
+ }
+ else if (wrap == MTEX_TUBE) {
+ map_to_tube(&fx, &fy, texvec[0], texvec[1], texvec[2]);
+ }
+ else if (wrap == MTEX_SPHERE) {
+ map_to_sphere(&fx, &fy, texvec[0], texvec[1], texvec[2]);
+ }
+ else {
+ cubemap_glob(n, texvec[0], texvec[1], texvec[2], &fx, &fy);
+ }
+
+ /* repeat */
+ if (tex->extend == TEX_REPEAT) {
+ if (tex->xrepeat > 1) {
+ float origf = fx *= tex->xrepeat;
+
+ if (fx > 1.0f) {
+ fx -= (int)(fx);
+ }
+ else if (fx < 0.0f) {
+ fx += 1 - (int)(fx);
+ }
+
+ if (tex->flag & TEX_REPEAT_XMIR) {
+ int orig = (int)floor(origf);
+ if (orig & 1) {
+ fx = 1.0f - fx;
+ }
+ }
+ }
+ if (tex->yrepeat > 1) {
+ float origf = fy *= tex->yrepeat;
+
+ if (fy > 1.0f) {
+ fy -= (int)(fy);
+ }
+ else if (fy < 0.0f) {
+ fy += 1 - (int)(fy);
+ }
+
+ if (tex->flag & TEX_REPEAT_YMIR) {
+ int orig = (int)floor(origf);
+ if (orig & 1) {
+ fy = 1.0f - fy;
+ }
+ }
+ }
+ }
+ /* crop */
+ if (tex->cropxmin != 0.0f || tex->cropxmax != 1.0f) {
+ fac1 = tex->cropxmax - tex->cropxmin;
+ fx = tex->cropxmin + fx * fac1;
+ }
+ if (tex->cropymin != 0.0f || tex->cropymax != 1.0f) {
+ fac1 = tex->cropymax - tex->cropymin;
+ fy = tex->cropymin + fy * fac1;
+ }
+
+ texvec[0] = fx;
+ texvec[1] = fy;
+ }
+ else {
+
+ if (wrap == MTEX_FLAT) {
+ fx = (texvec[0] + 1.0f) / 2.0f;
+ fy = (texvec[1] + 1.0f) / 2.0f;
+ dxt[0] /= 2.0f;
+ dxt[1] /= 2.0f;
+ dxt[2] /= 2.0f;
+ dyt[0] /= 2.0f;
+ dyt[1] /= 2.0f;
+ dyt[2] /= 2.0f;
+ }
+ else if (ELEM(wrap, MTEX_TUBE, MTEX_SPHERE)) {
+ /* exception: the seam behind (y<0.0) */
+ ok = 1;
+ if (texvec[1] <= 0.0f) {
+ fx = texvec[0] + dxt[0];
+ fy = texvec[0] + dyt[0];
+ if (fx >= 0.0f && fy >= 0.0f && texvec[0] >= 0.0f) {
+ /* pass */
+ }
+ else if (fx <= 0.0f && fy <= 0.0f && texvec[0] <= 0.0f) {
+ /* pass */
+ }
+ else {
+ ok = 0;
+ }
+ }
+
+ if (ok) {
+ if (wrap == MTEX_TUBE) {
+ map_to_tube(area, area + 1, texvec[0], texvec[1], texvec[2]);
+ map_to_tube(
+ area + 2, area + 3, texvec[0] + dxt[0], texvec[1] + dxt[1], texvec[2] + dxt[2]);
+ map_to_tube(
+ area + 4, area + 5, texvec[0] + dyt[0], texvec[1] + dyt[1], texvec[2] + dyt[2]);
+ }
+ else {
+ map_to_sphere(area, area + 1, texvec[0], texvec[1], texvec[2]);
+ map_to_sphere(
+ area + 2, area + 3, texvec[0] + dxt[0], texvec[1] + dxt[1], texvec[2] + dxt[2]);
+ map_to_sphere(
+ area + 4, area + 5, texvec[0] + dyt[0], texvec[1] + dyt[1], texvec[2] + dyt[2]);
+ }
+ areaflag = 1;
+ }
+ else {
+ if (wrap == MTEX_TUBE) {
+ map_to_tube(&fx, &fy, texvec[0], texvec[1], texvec[2]);
+ }
+ else {
+ map_to_sphere(&fx, &fy, texvec[0], texvec[1], texvec[2]);
+ }
+ dxt[0] /= 2.0f;
+ dxt[1] /= 2.0f;
+ dyt[0] /= 2.0f;
+ dyt[1] /= 2.0f;
+ }
+ }
+ else {
+
+ proj = cubemap_glob(n, texvec[0], texvec[1], texvec[2], &fx, &fy);
+
+ if (proj == 1) {
+ SWAP(float, dxt[1], dxt[2]);
+ SWAP(float, dyt[1], dyt[2]);
+ }
+ else if (proj == 2) {
+ float f1 = dxt[0], f2 = dyt[0];
+ dxt[0] = dxt[1];
+ dyt[0] = dyt[1];
+ dxt[1] = dxt[2];
+ dyt[1] = dyt[2];
+ dxt[2] = f1;
+ dyt[2] = f2;
+ }
+
+ dxt[0] *= 0.5f;
+ dxt[1] *= 0.5f;
+ dxt[2] *= 0.5f;
+
+ dyt[0] *= 0.5f;
+ dyt[1] *= 0.5f;
+ dyt[2] *= 0.5f;
+ }
+
+ /* if area, then reacalculate dxt[] and dyt[] */
+ if (areaflag) {
+ fx = area[0];
+ fy = area[1];
+ dxt[0] = area[2] - fx;
+ dxt[1] = area[3] - fy;
+ dyt[0] = area[4] - fx;
+ dyt[1] = area[5] - fy;
+ }
+
+ /* repeat */
+ if (tex->extend == TEX_REPEAT) {
+ float max = 1.0f;
+ if (tex->xrepeat > 1) {
+ float origf = fx *= tex->xrepeat;
+
+ /* TXF: omit mirror here, see comments in do_material_tex() after do_2d_mapping() call */
+ if (tex->texfilter == TXF_BOX) {
+ if (fx > 1.0f) {
+ fx -= (int)(fx);
+ }
+ else if (fx < 0.0f) {
+ fx += 1 - (int)(fx);
+ }
+
+ if (tex->flag & TEX_REPEAT_XMIR) {
+ int orig = (int)floor(origf);
+ if (orig & 1) {
+ fx = 1.0f - fx;
+ }
+ }
+ }
+
+ max = tex->xrepeat;
+
+ dxt[0] *= tex->xrepeat;
+ dyt[0] *= tex->xrepeat;
+ }
+ if (tex->yrepeat > 1) {
+ float origf = fy *= tex->yrepeat;
+
+ /* TXF: omit mirror here, see comments in do_material_tex() after do_2d_mapping() call */
+ if (tex->texfilter == TXF_BOX) {
+ if (fy > 1.0f) {
+ fy -= (int)(fy);
+ }
+ else if (fy < 0.0f) {
+ fy += 1 - (int)(fy);
+ }
+
+ if (tex->flag & TEX_REPEAT_YMIR) {
+ int orig = (int)floor(origf);
+ if (orig & 1) {
+ fy = 1.0f - fy;
+ }
+ }
+ }
+
+ if (max < tex->yrepeat) {
+ max = tex->yrepeat;
+ }
+
+ dxt[1] *= tex->yrepeat;
+ dyt[1] *= tex->yrepeat;
+ }
+ if (max != 1.0f) {
+ dxt[2] *= max;
+ dyt[2] *= max;
+ }
+ }
+ /* crop */
+ if (tex->cropxmin != 0.0f || tex->cropxmax != 1.0f) {
+ fac1 = tex->cropxmax - tex->cropxmin;
+ fx = tex->cropxmin + fx * fac1;
+ dxt[0] *= fac1;
+ dyt[0] *= fac1;
+ }
+ if (tex->cropymin != 0.0f || tex->cropymax != 1.0f) {
+ fac1 = tex->cropymax - tex->cropymin;
+ fy = tex->cropymin + fy * fac1;
+ dxt[1] *= fac1;
+ dyt[1] *= fac1;
+ }
+
+ texvec[0] = fx;
+ texvec[1] = fy;
+ }
+}
+
+/* ************************************** */
+
+static int multitex(Tex *tex,
+ const float texvec[3],
+ float dxt[3],
+ float dyt[3],
+ int osatex,
+ TexResult *texres,
+ const short thread,
+ const short which_output,
+ struct ImagePool *pool,
+ const bool skip_load_image,
+ const bool texnode_preview,
+ const bool use_nodes)
+{
+ float tmpvec[3];
+ int retval = 0; /* return value, int:0, col:1, nor:2, everything:3 */
+
+ texres->talpha = false; /* is set when image texture returns alpha (considered premul) */
+
+ if (use_nodes && tex->use_nodes && tex->nodetree) {
+ const float cfra = 1.0f; /* This was only set for Blender Internal render before. */
+ retval = ntreeTexExecTree(tex->nodetree,
+ texres,
+ texvec,
+ dxt,
+ dyt,
+ osatex,
+ thread,
+ tex,
+ which_output,
+ cfra,
+ texnode_preview,
+ NULL);
+ }
+ else {
+ switch (tex->type) {
+ case 0:
+ texres->tin = 0.0f;
+ return 0;
+ case TEX_CLOUDS:
+ retval = clouds(tex, texvec, texres);
+ break;
+ case TEX_WOOD:
+ retval = wood(tex, texvec, texres);
+ break;
+ case TEX_MARBLE:
+ retval = marble(tex, texvec, texres);
+ break;
+ case TEX_MAGIC:
+ retval = magic(tex, texvec, texres);
+ break;
+ case TEX_BLEND:
+ retval = blend(tex, texvec, texres);
+ break;
+ case TEX_STUCCI:
+ retval = stucci(tex, texvec, texres);
+ break;
+ case TEX_NOISE:
+ retval = texnoise(tex, texres, thread);
+ break;
+ case TEX_IMAGE:
+ if (osatex) {
+ retval = imagewraposa(
+ tex, tex->ima, NULL, texvec, dxt, dyt, texres, pool, skip_load_image);
+ }
+ else {
+ retval = imagewrap(tex, tex->ima, texvec, texres, pool, skip_load_image);
+ }
+ if (tex->ima) {
+ BKE_image_tag_time(tex->ima);
+ }
+ break;
+ case TEX_MUSGRAVE:
+ /* newnoise: musgrave types */
+
+ /* ton: added this, for Blender convention reason.
+ * artificer: added the use of tmpvec to avoid scaling texvec
+ */
+ copy_v3_v3(tmpvec, texvec);
+ mul_v3_fl(tmpvec, 1.0f / tex->noisesize);
+
+ switch (tex->stype) {
+ case TEX_MFRACTAL:
+ case TEX_FBM:
+ retval = mg_mFractalOrfBmTex(tex, tmpvec, texres);
+ break;
+ case TEX_RIDGEDMF:
+ case TEX_HYBRIDMF:
+ retval = mg_ridgedOrHybridMFTex(tex, tmpvec, texres);
+ break;
+ case TEX_HTERRAIN:
+ retval = mg_HTerrainTex(tex, tmpvec, texres);
+ break;
+ }
+ break;
+ /* newnoise: voronoi type */
+ case TEX_VORONOI:
+ /* ton: added this, for Blender convention reason.
+ * artificer: added the use of tmpvec to avoid scaling texvec
+ */
+ copy_v3_v3(tmpvec, texvec);
+ mul_v3_fl(tmpvec, 1.0f / tex->noisesize);
+
+ retval = voronoiTex(tex, tmpvec, texres);
+ break;
+ case TEX_DISTNOISE:
+ /* ton: added this, for Blender convention reason.
+ * artificer: added the use of tmpvec to avoid scaling texvec
+ */
+ copy_v3_v3(tmpvec, texvec);
+ mul_v3_fl(tmpvec, 1.0f / tex->noisesize);
+
+ retval = mg_distNoiseTex(tex, tmpvec, texres);
+ break;
+ }
+ }
+
+ if (tex->flag & TEX_COLORBAND) {
+ float col[4];
+ if (BKE_colorband_evaluate(tex->coba, texres->tin, col)) {
+ texres->talpha = true;
+ texres->tr = col[0];
+ texres->tg = col[1];
+ texres->tb = col[2];
+ texres->ta = col[3];
+ retval |= TEX_RGB;
+ }
+ }
+ return retval;
+}
+
+static int multitex_nodes_intern(Tex *tex,
+ const float texvec[3],
+ float dxt[3],
+ float dyt[3],
+ int osatex,
+ TexResult *texres,
+ const short thread,
+ short which_output,
+ MTex *mtex,
+ struct ImagePool *pool,
+ const bool scene_color_manage,
+ const bool skip_load_image,
+ const bool texnode_preview,
+ const bool use_nodes)
+{
+ if (tex == NULL) {
+ memset(texres, 0, sizeof(TexResult));
+ return 0;
+ }
+
+ if (mtex) {
+ which_output = mtex->which_output;
+ }
+
+ if (tex->type == TEX_IMAGE) {
+ int rgbnor;
+
+ if (mtex) {
+ float texvec_l[3];
+ copy_v3_v3(texvec_l, texvec);
+ /* we have mtex, use it for 2d mapping images only */
+ do_2d_mapping(mtex, texvec_l, NULL, dxt, dyt);
+ rgbnor = multitex(tex,
+ texvec_l,
+ dxt,
+ dyt,
+ osatex,
+ texres,
+ thread,
+ which_output,
+ pool,
+ skip_load_image,
+ texnode_preview,
+ use_nodes);
+
+ if (mtex->mapto & MAP_COL) {
+ ImBuf *ibuf = BKE_image_pool_acquire_ibuf(tex->ima, &tex->iuser, pool);
+
+ /* don't linearize float buffers, assumed to be linear */
+ if (ibuf != NULL && ibuf->rect_float == NULL && (rgbnor & TEX_RGB) && scene_color_manage) {
+ IMB_colormanagement_colorspace_to_scene_linear_v3(&texres->tr, ibuf->rect_colorspace);
+ }
+
+ BKE_image_pool_release_ibuf(tex->ima, ibuf, pool);
+ }
+ }
+ else {
+ /* we don't have mtex, do default flat 2d projection */
+ MTex localmtex;
+ float texvec_l[3], dxt_l[3], dyt_l[3];
+
+ localmtex.mapping = MTEX_FLAT;
+ localmtex.tex = tex;
+ localmtex.object = NULL;
+ localmtex.texco = TEXCO_ORCO;
+
+ copy_v3_v3(texvec_l, texvec);
+ if (dxt && dyt) {
+ copy_v3_v3(dxt_l, dxt);
+ copy_v3_v3(dyt_l, dyt);
+ }
+ else {
+ zero_v3(dxt_l);
+ zero_v3(dyt_l);
+ }
+
+ do_2d_mapping(&localmtex, texvec_l, NULL, dxt_l, dyt_l);
+ rgbnor = multitex(tex,
+ texvec_l,
+ dxt_l,
+ dyt_l,
+ osatex,
+ texres,
+ thread,
+ which_output,
+ pool,
+ skip_load_image,
+ texnode_preview,
+ use_nodes);
+
+ {
+ ImBuf *ibuf = BKE_image_pool_acquire_ibuf(tex->ima, &tex->iuser, pool);
+
+ /* don't linearize float buffers, assumed to be linear */
+ if (ibuf != NULL && ibuf->rect_float == NULL && (rgbnor & TEX_RGB) && scene_color_manage) {
+ IMB_colormanagement_colorspace_to_scene_linear_v3(&texres->tr, ibuf->rect_colorspace);
+ }
+
+ BKE_image_pool_release_ibuf(tex->ima, ibuf, pool);
+ }
+ }
+
+ return rgbnor;
+ }
+
+ return multitex(tex,
+ texvec,
+ dxt,
+ dyt,
+ osatex,
+ texres,
+ thread,
+ which_output,
+ pool,
+ skip_load_image,
+ texnode_preview,
+ use_nodes);
+}
+
+/* this is called from the shader and texture nodes
+ * Use it from render pipeline only!
+ */
+int multitex_nodes(Tex *tex,
+ const float texvec[3],
+ float dxt[3],
+ float dyt[3],
+ int osatex,
+ TexResult *texres,
+ const short thread,
+ short which_output,
+ MTex *mtex,
+ struct ImagePool *pool)
+{
+ return multitex_nodes_intern(tex,
+ texvec,
+ dxt,
+ dyt,
+ osatex,
+ texres,
+ thread,
+ which_output,
+ mtex,
+ pool,
+ true,
+ false,
+ false,
+ true);
+}
+
+/**
+ * \warning if the texres's values are not declared zero,
+ * check the return value to be sure the color values are set before using the r/g/b values,
+ * otherwise you may use uninitialized values - Campbell
+ *
+ * Use it for stuff which is out of render pipeline.
+ */
+int multitex_ext(Tex *tex,
+ float texvec[3],
+ float dxt[3],
+ float dyt[3],
+ int osatex,
+ TexResult *texres,
+ const short thread,
+ struct ImagePool *pool,
+ bool scene_color_manage,
+ const bool skip_load_image)
+{
+ return multitex_nodes_intern(tex,
+ texvec,
+ dxt,
+ dyt,
+ osatex,
+ texres,
+ thread,
+ 0,
+ NULL,
+ pool,
+ scene_color_manage,
+ skip_load_image,
+ false,
+ true);
+}
+
+/* extern-tex doesn't support nodes (ntreeBeginExec() can't be called when rendering is going on)\
+ *
+ * Use it for stuff which is out of render pipeline.
+ */
+int multitex_ext_safe(Tex *tex,
+ const float texvec[3],
+ TexResult *texres,
+ struct ImagePool *pool,
+ bool scene_color_manage,
+ const bool skip_load_image)
+{
+ return multitex_nodes_intern(tex,
+ texvec,
+ NULL,
+ NULL,
+ 0,
+ texres,
+ 0,
+ 0,
+ NULL,
+ pool,
+ scene_color_manage,
+ skip_load_image,
+ false,
+ false);
+}
+
+/* ------------------------------------------------------------------------- */
+
+/* in = destination, tex = texture, out = previous color */
+/* fact = texture strength, facg = button strength value */
+void texture_rgb_blend(
+ float in[3], const float tex[3], const float out[3], float fact, float facg, int blendtype)
+{
+ float facm;
+
+ switch (blendtype) {
+ case MTEX_BLEND:
+ fact *= facg;
+ facm = 1.0f - fact;
+
+ in[0] = (fact * tex[0] + facm * out[0]);
+ in[1] = (fact * tex[1] + facm * out[1]);
+ in[2] = (fact * tex[2] + facm * out[2]);
+ break;
+
+ case MTEX_MUL:
+ fact *= facg;
+ facm = 1.0f - fact;
+ in[0] = (facm + fact * tex[0]) * out[0];
+ in[1] = (facm + fact * tex[1]) * out[1];
+ in[2] = (facm + fact * tex[2]) * out[2];
+ break;
+
+ case MTEX_SCREEN:
+ fact *= facg;
+ facm = 1.0f - fact;
+ in[0] = 1.0f - (facm + fact * (1.0f - tex[0])) * (1.0f - out[0]);
+ in[1] = 1.0f - (facm + fact * (1.0f - tex[1])) * (1.0f - out[1]);
+ in[2] = 1.0f - (facm + fact * (1.0f - tex[2])) * (1.0f - out[2]);
+ break;
+
+ case MTEX_OVERLAY:
+ fact *= facg;
+ facm = 1.0f - fact;
+
+ if (out[0] < 0.5f) {
+ in[0] = out[0] * (facm + 2.0f * fact * tex[0]);
+ }
+ else {
+ in[0] = 1.0f - (facm + 2.0f * fact * (1.0f - tex[0])) * (1.0f - out[0]);
+ }
+ if (out[1] < 0.5f) {
+ in[1] = out[1] * (facm + 2.0f * fact * tex[1]);
+ }
+ else {
+ in[1] = 1.0f - (facm + 2.0f * fact * (1.0f - tex[1])) * (1.0f - out[1]);
+ }
+ if (out[2] < 0.5f) {
+ in[2] = out[2] * (facm + 2.0f * fact * tex[2]);
+ }
+ else {
+ in[2] = 1.0f - (facm + 2.0f * fact * (1.0f - tex[2])) * (1.0f - out[2]);
+ }
+ break;
+
+ case MTEX_SUB:
+ fact = -fact;
+ ATTR_FALLTHROUGH;
+ case MTEX_ADD:
+ fact *= facg;
+ in[0] = (fact * tex[0] + out[0]);
+ in[1] = (fact * tex[1] + out[1]);
+ in[2] = (fact * tex[2] + out[2]);
+ break;
+
+ case MTEX_DIV:
+ fact *= facg;
+ facm = 1.0f - fact;
+
+ if (tex[0] != 0.0f) {
+ in[0] = facm * out[0] + fact * out[0] / tex[0];
+ }
+ if (tex[1] != 0.0f) {
+ in[1] = facm * out[1] + fact * out[1] / tex[1];
+ }
+ if (tex[2] != 0.0f) {
+ in[2] = facm * out[2] + fact * out[2] / tex[2];
+ }
+
+ break;
+
+ case MTEX_DIFF:
+ fact *= facg;
+ facm = 1.0f - fact;
+ in[0] = facm * out[0] + fact * fabsf(tex[0] - out[0]);
+ in[1] = facm * out[1] + fact * fabsf(tex[1] - out[1]);
+ in[2] = facm * out[2] + fact * fabsf(tex[2] - out[2]);
+ break;
+
+ case MTEX_DARK:
+ fact *= facg;
+ facm = 1.0f - fact;
+
+ in[0] = min_ff(out[0], tex[0]) * fact + out[0] * facm;
+ in[1] = min_ff(out[1], tex[1]) * fact + out[1] * facm;
+ in[2] = min_ff(out[2], tex[2]) * fact + out[2] * facm;
+ break;
+
+ case MTEX_LIGHT:
+ fact *= facg;
+
+ in[0] = max_ff(fact * tex[0], out[0]);
+ in[1] = max_ff(fact * tex[1], out[1]);
+ in[2] = max_ff(fact * tex[2], out[2]);
+ break;
+
+ case MTEX_BLEND_HUE:
+ fact *= facg;
+ copy_v3_v3(in, out);
+ ramp_blend(MA_RAMP_HUE, in, fact, tex);
+ break;
+ case MTEX_BLEND_SAT:
+ fact *= facg;
+ copy_v3_v3(in, out);
+ ramp_blend(MA_RAMP_SAT, in, fact, tex);
+ break;
+ case MTEX_BLEND_VAL:
+ fact *= facg;
+ copy_v3_v3(in, out);
+ ramp_blend(MA_RAMP_VAL, in, fact, tex);
+ break;
+ case MTEX_BLEND_COLOR:
+ fact *= facg;
+ copy_v3_v3(in, out);
+ ramp_blend(MA_RAMP_COLOR, in, fact, tex);
+ break;
+ case MTEX_SOFT_LIGHT:
+ fact *= facg;
+ copy_v3_v3(in, out);
+ ramp_blend(MA_RAMP_SOFT, in, fact, tex);
+ break;
+ case MTEX_LIN_LIGHT:
+ fact *= facg;
+ copy_v3_v3(in, out);
+ ramp_blend(MA_RAMP_LINEAR, in, fact, tex);
+ break;
+ }
+}
+
+float texture_value_blend(float tex, float out, float fact, float facg, int blendtype)
+{
+ float in = 0.0, facm, col, scf;
+ int flip = (facg < 0.0f);
+
+ facg = fabsf(facg);
+
+ fact *= facg;
+ facm = 1.0f - fact;
+ if (flip) {
+ SWAP(float, fact, facm);
+ }
+
+ switch (blendtype) {
+ case MTEX_BLEND:
+ in = fact * tex + facm * out;
+ break;
+
+ case MTEX_MUL:
+ facm = 1.0f - facg;
+ in = (facm + fact * tex) * out;
+ break;
+
+ case MTEX_SCREEN:
+ facm = 1.0f - facg;
+ in = 1.0f - (facm + fact * (1.0f - tex)) * (1.0f - out);
+ break;
+
+ case MTEX_OVERLAY:
+ facm = 1.0f - facg;
+ if (out < 0.5f) {
+ in = out * (facm + 2.0f * fact * tex);
+ }
+ else {
+ in = 1.0f - (facm + 2.0f * fact * (1.0f - tex)) * (1.0f - out);
+ }
+ break;
+
+ case MTEX_SUB:
+ fact = -fact;
+ ATTR_FALLTHROUGH;
+ case MTEX_ADD:
+ in = fact * tex + out;
+ break;
+
+ case MTEX_DIV:
+ if (tex != 0.0f) {
+ in = facm * out + fact * out / tex;
+ }
+ break;
+
+ case MTEX_DIFF:
+ in = facm * out + fact * fabsf(tex - out);
+ break;
+
+ case MTEX_DARK:
+ in = min_ff(out, tex) * fact + out * facm;
+ break;
+
+ case MTEX_LIGHT:
+ col = fact * tex;
+ if (col > out) {
+ in = col;
+ }
+ else {
+ in = out;
+ }
+ break;
+
+ case MTEX_SOFT_LIGHT:
+ scf = 1.0f - (1.0f - tex) * (1.0f - out);
+ in = facm * out + fact * ((1.0f - out) * tex * out) + (out * scf);
+ break;
+
+ case MTEX_LIN_LIGHT:
+ if (tex > 0.5f) {
+ in = out + fact * (2.0f * (tex - 0.5f));
+ }
+ else {
+ in = out + fact * (2.0f * tex - 1.0f);
+ }
+ break;
+ }
+
+ return in;
+}
+
+/* ------------------------------------------------------------------------- */
+
+/**
+ * \param pool: Thread pool, may be NULL.
+ *
+ * \return True if the texture has color, otherwise false.
+ */
+bool RE_texture_evaluate(const MTex *mtex,
+ const float vec[3],
+ const int thread,
+ struct ImagePool *pool,
+ const bool skip_load_image,
+ const bool texnode_preview,
+ /* Return arguments. */
+ float *r_intensity,
+ float r_rgba[4])
+{
+ Tex *tex;
+ TexResult texr;
+ float dxt[3], dyt[3], texvec[3];
+ int rgb;
+
+ tex = mtex->tex;
+ if (tex == NULL) {
+ return 0;
+ }
+ texr.nor = NULL;
+
+ /* placement */
+ if (mtex->projx) {
+ texvec[0] = mtex->size[0] * (vec[mtex->projx - 1] + mtex->ofs[0]);
+ }
+ else {
+ texvec[0] = mtex->size[0] * (mtex->ofs[0]);
+ }
+
+ if (mtex->projy) {
+ texvec[1] = mtex->size[1] * (vec[mtex->projy - 1] + mtex->ofs[1]);
+ }
+ else {
+ texvec[1] = mtex->size[1] * (mtex->ofs[1]);
+ }
+
+ if (mtex->projz) {
+ texvec[2] = mtex->size[2] * (vec[mtex->projz - 1] + mtex->ofs[2]);
+ }
+ else {
+ texvec[2] = mtex->size[2] * (mtex->ofs[2]);
+ }
+
+ /* texture */
+ if (tex->type == TEX_IMAGE) {
+ do_2d_mapping(mtex, texvec, NULL, dxt, dyt);
+ }
+
+ rgb = multitex(tex,
+ texvec,
+ dxt,
+ dyt,
+ 0,
+ &texr,
+ thread,
+ mtex->which_output,
+ pool,
+ skip_load_image,
+ texnode_preview,
+ true);
+
+ if (rgb) {
+ texr.tin = IMB_colormanagement_get_luminance(&texr.tr);
+ }
+ else {
+ texr.tr = mtex->r;
+ texr.tg = mtex->g;
+ texr.tb = mtex->b;
+ }
+
+ *r_intensity = texr.tin;
+ r_rgba[0] = texr.tr;
+ r_rgba[1] = texr.tg;
+ r_rgba[2] = texr.tb;
+ r_rgba[3] = texr.ta;
+
+ return (rgb != 0);
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-19 04:33:46 +0300