From de6af75d4d10c2f9b3321435cb669f75f471ff70 Mon Sep 17 00:00:00 2001
From: Campbell Barton <ideasman42@gmail.com>
Date: Sat, 26 May 2012 16:04:31 +0000
Subject: code cleanup: use array size and const for vector args

---
 source/blender/blenpluginapi/iff.h                 |  2 +-
 source/blender/editors/mesh/editmesh_bvh.c         |  2 +-
 source/blender/editors/space_view3d/drawvolume.c   |  2 +-
 .../blender/editors/uvedit/uvedit_parametrizer.c   |  2 +-
 source/blender/imbuf/IMB_imbuf.h                   |  2 +-
 source/blender/imbuf/intern/rectop.c               |  2 +-
 .../blender/render/intern/include/pixelblending.h  | 12 +++++-----
 source/blender/render/intern/include/shading.h     |  2 +-
 source/blender/render/intern/include/sss.h         |  8 +++----
 source/blender/render/intern/include/texture.h     |  2 +-
 source/blender/render/intern/source/imagetexture.c |  6 ++---
 .../blender/render/intern/source/pixelblending.c   | 12 +++++-----
 source/blender/render/intern/source/pixelshading.c |  4 ++--
 source/blender/render/intern/source/rayshade.c     |  2 +-
 .../blender/render/intern/source/render_texture.c  | 18 +++++++--------
 source/blender/render/intern/source/rendercore.c   |  2 +-
 source/blender/render/intern/source/shadeoutput.c  | 26 +++++++++++-----------
 source/blender/render/intern/source/sss.c          |  6 ++---
 18 files changed, 56 insertions(+), 56 deletions(-)

(limited to 'source/blender')

diff --git a/source/blender/blenpluginapi/iff.h b/source/blender/blenpluginapi/iff.h
index 98382aca889..63d60ce7c82 100644
--- a/source/blender/blenpluginapi/iff.h
+++ b/source/blender/blenpluginapi/iff.h
@@ -114,7 +114,7 @@ LIBIMPORT void IMB_rectcpy(struct ImBuf *dbuf, struct ImBuf *sbuf,
 	int destx, int desty, int srcx, int srcy, int width, int height);
 
 LIBIMPORT void IMB_rectfill(struct ImBuf *drect, const float col[4]);
-LIBIMPORT void IMB_rectfill_area(struct ImBuf *ibuf, float *col, int x1, int y1, int x2, int y2);
+LIBIMPORT void IMB_rectfill_area(struct ImBuf *ibuf, const float col[4], int x1, int y1, int x2, int y2);
 LIBIMPORT void buf_rectfill_area(unsigned char *rect, float *rectf, int width, int height, const float col[4], int x1, int y1, int x2, int y2);
 LIBIMPORT void IMB_rectfill_alpha(struct ImBuf *drect, const float value);
 
diff --git a/source/blender/editors/mesh/editmesh_bvh.c b/source/blender/editors/mesh/editmesh_bvh.c
index 16948a2372d..c5f8494836b 100644
--- a/source/blender/editors/mesh/editmesh_bvh.c
+++ b/source/blender/editors/mesh/editmesh_bvh.c
@@ -380,7 +380,7 @@ static BMFace *edge_ray_cast(BMBVHTree *tree, float *co, float *dir, float *hito
 	return f;
 }
 
-static void scale_point(float *c1, float *p, float s)
+static void scale_point(float c1[3], const float p[3], const float s)
 {
 	sub_v3_v3(c1, p);
 	mul_v3_fl(c1, s);
diff --git a/source/blender/editors/space_view3d/drawvolume.c b/source/blender/editors/space_view3d/drawvolume.c
index 19cf9d9e20f..43252111303 100644
--- a/source/blender/editors/space_view3d/drawvolume.c
+++ b/source/blender/editors/space_view3d/drawvolume.c
@@ -146,7 +146,7 @@ static int intersect_edges(float *points, float a, float b, float c, float d, fl
 	return numpoints;
 }
 
-static int convex(float *p0, float *up, float *a, float *b)
+static int convex(const float p0[3], const float up[3], const float a[3], const float b[3])
 {
 	// Vec3 va = a-p0, vb = b-p0;
 	float va[3], vb[3], tmp[3];
diff --git a/source/blender/editors/uvedit/uvedit_parametrizer.c b/source/blender/editors/uvedit/uvedit_parametrizer.c
index 4a6de737e7a..4c0e96426e7 100644
--- a/source/blender/editors/uvedit/uvedit_parametrizer.c
+++ b/source/blender/editors/uvedit/uvedit_parametrizer.c
@@ -3596,7 +3596,7 @@ typedef struct SmoothNode {
 	int axis, ntri;
 } SmoothNode;
 
-static void p_barycentric_2d(float *v1, float *v2, float *v3, float *p, float *b)
+static void p_barycentric_2d(const float v1[2], const float v2[2], const float v3[2], float p[2], float b[2])
 {
 	float a[2], c[2], h[2], div;
 
diff --git a/source/blender/imbuf/IMB_imbuf.h b/source/blender/imbuf/IMB_imbuf.h
index a0c737b44fc..d79f0a3bf2c 100644
--- a/source/blender/imbuf/IMB_imbuf.h
+++ b/source/blender/imbuf/IMB_imbuf.h
@@ -480,7 +480,7 @@ void IMB_freezbuffloatImBuf(struct ImBuf *ibuf);
  * \attention Defined in rectop.c
  */
 void IMB_rectfill(struct ImBuf *drect, const float col[4]);
-void IMB_rectfill_area(struct ImBuf *ibuf, float *col, int x1, int y1, int x2, int y2);
+void IMB_rectfill_area(struct ImBuf *ibuf, const float col[4], int x1, int y1, int x2, int y2);
 void IMB_rectfill_alpha(struct ImBuf *ibuf, const float value);
 
 /* this should not be here, really, we needed it for operating on render data, IMB_rectfill_area calls it */
diff --git a/source/blender/imbuf/intern/rectop.c b/source/blender/imbuf/intern/rectop.c
index 2d765c7d6a1..da7618ef806 100644
--- a/source/blender/imbuf/intern/rectop.c
+++ b/source/blender/imbuf/intern/rectop.c
@@ -566,7 +566,7 @@ void buf_rectfill_area(unsigned char *rect, float *rectf, int width, int height,
 	}
 }
 
-void IMB_rectfill_area(struct ImBuf *ibuf, float *col, int x1, int y1, int x2, int y2)
+void IMB_rectfill_area(struct ImBuf *ibuf, const float col[4], int x1, int y1, int x2, int y2)
 {
 	if (!ibuf) return;
 	buf_rectfill_area((unsigned char *) ibuf->rect, ibuf->rect_float, ibuf->x, ibuf->y, col, x1, y1, x2, y2);
diff --git a/source/blender/render/intern/include/pixelblending.h b/source/blender/render/intern/include/pixelblending.h
index 97d41107856..bb2e7e7f9f9 100644
--- a/source/blender/render/intern/include/pixelblending.h
+++ b/source/blender/render/intern/include/pixelblending.h
@@ -36,30 +36,30 @@
  * add 1 pixel to into filtered three lines
  * (float vecs to float vec)
  */
-void add_filt_fmask(unsigned int mask, float *col, float *rowbuf, int row_w);
+void add_filt_fmask(unsigned int mask, const float col[4], float *rowbuf, int row_w);
 void add_filt_fmask_pixsize(unsigned int mask, float *in, float *rowbuf, int row_w, int pixsize);
-void add_filt_fmask_coord(float filt[][3], float *col, float *rowbuf, int row_w, int col_h, int x, int y);
+void add_filt_fmask_coord(float filt[][3], const float col[4], float *rowbuf, int row_w, int col_h, int x, int y);
 void mask_array(unsigned int mask, float filt[][3]);
 
 /**
  * Alpha-over blending for floats.
  */
-void addAlphaOverFloat(float *dest, float *source);  
+void addAlphaOverFloat(float dest[4], const float source[4]);
 
 /**
  * Alpha-under blending for floats.
  */
-void addAlphaUnderFloat(float *dest, float *source);  
+void addAlphaUnderFloat(float dest[4], const float source[4]);
 
 
 /**
  * Same for floats
  */
-void addalphaAddfacFloat(float *dest, float *source, char addfac);
+void addalphaAddfacFloat(float dest[4], const float source[4], char addfac);
 
 /**
  * dest = dest + source
  */
-void addalphaAddFloat(float *dest, float *source);
+void addalphaAddFloat(float dest[4], const float source[4]);
 
 #endif /* __PIXELBLENDING_H__ */
diff --git a/source/blender/render/intern/include/shading.h b/source/blender/render/intern/include/shading.h
index 558342a46ab..a8519d8a7fb 100644
--- a/source/blender/render/intern/include/shading.h
+++ b/source/blender/render/intern/include/shading.h
@@ -96,7 +96,7 @@ ListBase *get_lights(struct ShadeInput *shi);
 float lamp_get_visibility(struct LampRen *lar, const float co[3], float lv[3], float *dist);
 void lamp_get_shadow(struct LampRen *lar, ShadeInput *shi, float inp, float shadfac[4], int do_real);
 
-float	fresnel_fac(float *view, float *vn, float fresnel, float fac);
+float	fresnel_fac(const float view[3], const float vn[3], float fresnel, float fac);
 
 /* rayshade.c */
 extern void shade_ray(struct Isect *is, struct ShadeInput *shi, struct ShadeResult *shr);
diff --git a/source/blender/render/intern/include/sss.h b/source/blender/render/intern/include/sss.h
index 6a179d2f428..91a8b91e638 100644
--- a/source/blender/render/intern/include/sss.h
+++ b/source/blender/render/intern/include/sss.h
@@ -42,13 +42,13 @@ struct ScatterTree;
 typedef struct ScatterTree ScatterTree;
 
 ScatterSettings *scatter_settings_new(float refl, float radius, float ior,
-	float reflfac, float frontweight, float backweight);
+                                      float reflfac, float frontweight, float backweight);
 void scatter_settings_free(ScatterSettings *ss);
 
 ScatterTree *scatter_tree_new(ScatterSettings *ss[3], float scale, float error,
-	float (*co)[3], float (*color)[3], float *area, int totpoint);
+                              float (*co)[3], float (*color)[3], float *area, int totpoint);
 void scatter_tree_build(ScatterTree *tree);
-void scatter_tree_sample(ScatterTree *tree, float *co, float *color);
+void scatter_tree_sample(ScatterTree *tree, const float co[3], float color[3]);
 void scatter_tree_free(ScatterTree *tree);
 
 /* Internal renderer API */
@@ -61,7 +61,7 @@ void make_sss_tree(struct Render *re);
 void sss_add_points(Render *re, float (*co)[3], float (*color)[3], float *area, int totpoint);
 void free_sss(struct Render *re);
 
-int sample_sss(struct Render *re, struct Material *mat, float *co, float *col);
+int sample_sss(struct Render *re, struct Material *mat, const float co[3], float color[3]);
 int sss_pass_done(struct Render *re, struct Material *mat);
 
 #endif /*__SSS_H__*/
diff --git a/source/blender/render/intern/include/texture.h b/source/blender/render/intern/include/texture.h
index 33717d47c82..1c8a2552482 100644
--- a/source/blender/render/intern/include/texture.h
+++ b/source/blender/render/intern/include/texture.h
@@ -67,7 +67,7 @@ void do_halo_tex(struct HaloRen *har, float xn, float yn, float col_r[4]);
 void do_sky_tex(const float rco[3], float lo[3], const float dxyview[2], float hor[3], float zen[3], float *blend, int skyflag, short thread);
 void do_material_tex(struct ShadeInput *shi, struct Render *re);
 void do_lamp_tex(LampRen *la, const float lavec[3], struct ShadeInput *shi, float col_r[3], int effect);
-void do_volume_tex(struct ShadeInput *shi, const float xyz[3], int mapto_flag, float col[3], float *val, struct Render *re);
+void do_volume_tex(struct ShadeInput *shi, const float xyz[3], int mapto_flag, float col_r[3], float *val, struct Render *re);
 
 void init_render_textures(Render *re);
 void end_render_textures(Render *re);
diff --git a/source/blender/render/intern/source/imagetexture.c b/source/blender/render/intern/source/imagetexture.c
index d454ea60705..dcc09c92bb0 100644
--- a/source/blender/render/intern/source/imagetexture.c
+++ b/source/blender/render/intern/source/imagetexture.c
@@ -76,7 +76,7 @@ static void boxsample(ImBuf *ibuf, float minx, float miny, float maxx, float max
 
 
 /* x and y have to be checked for image size */
-static void ibuf_get_color(float *col, struct ImBuf *ibuf, int x, int y)
+static void ibuf_get_color(float col[4], struct ImBuf *ibuf, int x, int y)
 {
 	int ofs = y * ibuf->x + x;
 	
@@ -637,7 +637,7 @@ enum {TXC_XMIR=1, TXC_YMIR, TXC_REPT, TXC_EXTD};
 
 // similar to ibuf_get_color() but clips/wraps coords according to repeat/extend flags
 // returns true if out of range in clipmode
-static int ibuf_get_color_clip(float *col, ImBuf *ibuf, int x, int y, int extflag)
+static int ibuf_get_color_clip(float col[4], ImBuf *ibuf, int x, int y, int extflag)
 {
 	int clip = 0;
 	switch (extflag) {
@@ -695,7 +695,7 @@ static int ibuf_get_color_clip(float *col, ImBuf *ibuf, int x, int y, int extfla
 }
 
 // as above + bilerp
-static int ibuf_get_color_clip_bilerp(float *col, ImBuf *ibuf, float u, float v, int intpol, int extflag)
+static int ibuf_get_color_clip_bilerp(float col[4], ImBuf *ibuf, float u, float v, int intpol, int extflag)
 {
 	if (intpol) {
 		float c00[4], c01[4], c10[4], c11[4];
diff --git a/source/blender/render/intern/source/pixelblending.c b/source/blender/render/intern/source/pixelblending.c
index 522a41d9af7..151464064cb 100644
--- a/source/blender/render/intern/source/pixelblending.c
+++ b/source/blender/render/intern/source/pixelblending.c
@@ -73,7 +73,7 @@ extern struct Render R;
 
 /* ------------------------------------------------------------------------- */
 
-void addAlphaOverFloat(float *dest, float *source)
+void addAlphaOverFloat(float dest[4], const float source[4])
 {
 	/* d = s + (1-alpha_s)d*/
 	float mul;
@@ -90,7 +90,7 @@ void addAlphaOverFloat(float *dest, float *source)
 
 /* ------------------------------------------------------------------------- */
 
-void addAlphaUnderFloat(float *dest, float *source)
+void addAlphaUnderFloat(float dest[4], const float source[4])
 {
 	float mul;
 
@@ -104,7 +104,7 @@ void addAlphaUnderFloat(float *dest, float *source)
 
 
 /* ------------------------------------------------------------------------- */
-void addalphaAddfacFloat(float *dest, float *source, char addfac)
+void addalphaAddfacFloat(float dest[4], const float source[4], char addfac)
 {
 	float m; /* weiging factor of destination */
 	float c; /* intermediate color           */
@@ -148,7 +148,7 @@ void addalphaAddfacFloat(float *dest, float *source, char addfac)
 /* ------------------------------------------------------------------------- */
 
 /* filtered adding to scanlines */
-void add_filt_fmask(unsigned int mask, float *col, float *rowbuf, int row_w)
+void add_filt_fmask(unsigned int mask, const float col[4], float *rowbuf, int row_w)
 {
 	/* calc the value of mask */
 	float **fmask1= R.samples->fmask1, **fmask2=R.samples->fmask2;
@@ -242,7 +242,7 @@ void mask_array(unsigned int mask, float filt[][3])
  *      ---    ---   ---
  */
 
-void add_filt_fmask_coord(float filt[][3], float *col, float *rowbuf, int row_w, int col_h, int x, int y)
+void add_filt_fmask_coord(float filt[][3], const float col[4], float *rowbuf, int row_w, int col_h, int x, int y)
 {
 	float *fpoin[3][3];
 	float val, r, g, b, al, lfilt[3][3];
@@ -366,7 +366,7 @@ void add_filt_fmask_pixsize(unsigned int mask, float *in, float *rowbuf, int row
 }
 
 /* ------------------------------------------------------------------------- */
-void addalphaAddFloat(float *dest, float *source)
+void addalphaAddFloat(float dest[4], const float source[4])
 {
 
 	/* Makes me wonder whether this is required... */
diff --git a/source/blender/render/intern/source/pixelshading.c b/source/blender/render/intern/source/pixelshading.c
index 0aeee7e22e8..8e6078b18e0 100644
--- a/source/blender/render/intern/source/pixelshading.c
+++ b/source/blender/render/intern/source/pixelshading.c
@@ -280,8 +280,8 @@ static float haloZtoDist(int z)
  * \param xn The x coordinate of the pixel relaticve to the center of the halo. given in pixels
  * \param yn The y coordinate of the pixel relaticve to the center of the halo. given in pixels
  */
-int shadeHaloFloat(HaloRen *har,  float *col, int zz, 
-					float dist, float xn,  float yn, short flarec)
+int shadeHaloFloat(HaloRen *har, float col[4], int zz,
+                   float dist, float xn,  float yn, short flarec)
 {
 	/* fill in col */
 	float t, zn, radist, ringf=0.0f, linef=0.0f, alpha, si, co;
diff --git a/source/blender/render/intern/source/rayshade.c b/source/blender/render/intern/source/rayshade.c
index 726d89a7c3e..f11e5d22574 100644
--- a/source/blender/render/intern/source/rayshade.c
+++ b/source/blender/render/intern/source/rayshade.c
@@ -604,7 +604,7 @@ static void reflection(float ref[3], float n[3], const float view[3], const floa
 }
 
 #if 0
-static void color_combine(float *result, float fac1, float fac2, float *col1, float *col2)
+static void color_combine(float *result, float fac1, float fac2, float col1[3], float col2[3])
 {
 	float col1t[3], col2t[3];
 	
diff --git a/source/blender/render/intern/source/render_texture.c b/source/blender/render/intern/source/render_texture.c
index 7e8a1fbc53e..16b6eddaa29 100644
--- a/source/blender/render/intern/source/render_texture.c
+++ b/source/blender/render/intern/source/render_texture.c
@@ -814,7 +814,7 @@ static int plugintex(Tex *tex, float *texvec, float *dxt, float *dyt, int osatex
 }
 
 
-static int cubemap_glob(float *n, float x, float y, float z, float *adr1, float *adr2)
+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;
@@ -852,7 +852,7 @@ static int cubemap_glob(float *n, float x, float y, float z, float *adr1, float
 /* ------------------------------------------------------------------------- */
 
 /* mtex argument only for projection switches */
-static int cubemap(MTex *mtex, VlakRen *vlr, float *n, float x, float y, float z, float *adr1, float *adr2)
+static int cubemap(MTex *mtex, VlakRen *vlr, const float n[3], float x, float y, float z, float *adr1, float *adr2)
 {
 	int proj[4]={0, ME_PROJXY, ME_PROJXZ, ME_PROJYZ}, ret= 0;
 	
@@ -910,7 +910,7 @@ static int cubemap(MTex *mtex, VlakRen *vlr, float *n, float x, float y, float z
 
 /* ------------------------------------------------------------------------- */
 
-static int cubemap_ob(Object *ob, float *n, float x, float y, float z, float *adr1, float *adr2)
+static int cubemap_ob(Object *ob, const float n[3], float x, float y, float z, float *adr1, float *adr2)
 {
 	float x1, y1, z1, nor[3];
 	int ret;
@@ -944,7 +944,7 @@ static int cubemap_ob(Object *ob, float *n, float x, float y, float z, float *ad
 
 /* ------------------------------------------------------------------------- */
 
-static void do_2d_mapping(MTex *mtex, float *t, VlakRen *vlr, float *n, float *dxt, float *dyt)
+static void do_2d_mapping(MTex *mtex, float *t, VlakRen *vlr, const float n[3], float *dxt, float *dyt)
 {
 	Tex *tex;
 	Object *ob= NULL;
@@ -2690,7 +2690,7 @@ void do_material_tex(ShadeInput *shi, Render *re)
 }
 
 
-void do_volume_tex(ShadeInput *shi, const float *xyz, int mapto_flag, float *col, float *val, Render *re)
+void do_volume_tex(ShadeInput *shi, const float *xyz, int mapto_flag, float col_r[3], float *val, Render *re)
 {
 	MTex *mtex;
 	Tex *tex;
@@ -2811,17 +2811,17 @@ void do_volume_tex(ShadeInput *shi, const float *xyz, int mapto_flag, float *col
 				/* used for emit */
 				if ((mapto_flag & MAP_EMISSION_COL) && (mtex->mapto & MAP_EMISSION_COL)) {
 					float colemitfac= mtex->colemitfac*stencilTin;
-					texture_rgb_blend(col, tcol, col, texres.tin, colemitfac, mtex->blendtype);
+					texture_rgb_blend(col_r, tcol, col_r, texres.tin, colemitfac, mtex->blendtype);
 				}
 				
 				if ((mapto_flag & MAP_REFLECTION_COL) && (mtex->mapto & MAP_REFLECTION_COL)) {
 					float colreflfac= mtex->colreflfac*stencilTin;
-					texture_rgb_blend(col, tcol, col, texres.tin, colreflfac, mtex->blendtype);
+					texture_rgb_blend(col_r, tcol, col_r, texres.tin, colreflfac, mtex->blendtype);
 				}
 				
 				if ((mapto_flag & MAP_TRANSMISSION_COL) && (mtex->mapto & MAP_TRANSMISSION_COL)) {
 					float coltransfac= mtex->coltransfac*stencilTin;
-					texture_rgb_blend(col, tcol, col, texres.tin, coltransfac, mtex->blendtype);
+					texture_rgb_blend(col_r, tcol, col_r, texres.tin, coltransfac, mtex->blendtype);
 				}
 			}
 			
@@ -3508,7 +3508,7 @@ void render_realtime_texture(ShadeInput *shi, Image *ima)
 
 /* A modified part of shadeinput.c -> shade_input_set_uv()
  *  Used for sampling UV mapped texture color */
-static void textured_face_generate_uv(float *uv, float *normal, float *hit, float *v1, float *v2, float *v3)
+static void textured_face_generate_uv(float *uv, const float normal[3], float *hit, float *v1, float *v2, float *v3)
 {
 
 	float detsh, t00, t10, t01, t11;
diff --git a/source/blender/render/intern/source/rendercore.c b/source/blender/render/intern/source/rendercore.c
index 7addc1e6679..931a81f2543 100644
--- a/source/blender/render/intern/source/rendercore.c
+++ b/source/blender/render/intern/source/rendercore.c
@@ -1509,7 +1509,7 @@ static void addps_sss(void *cb_handle, int obi, int facenr, int x, int y, int z)
 	}
 }
 
-static void shade_sample_sss(ShadeSample *ssamp, Material *mat, ObjectInstanceRen *obi, VlakRen *vlr, int quad, float x, float y, float z, float *co, float *color, float *area)
+static void shade_sample_sss(ShadeSample *ssamp, Material *mat, ObjectInstanceRen *obi, VlakRen *vlr, int quad, float x, float y, float z, float *co, float color[3], float *area)
 {
 	ShadeInput *shi= ssamp->shi;
 	ShadeResult shr;
diff --git a/source/blender/render/intern/source/shadeoutput.c b/source/blender/render/intern/source/shadeoutput.c
index a266914c085..f842dc0ff1b 100644
--- a/source/blender/render/intern/source/shadeoutput.c
+++ b/source/blender/render/intern/source/shadeoutput.c
@@ -77,7 +77,7 @@ ListBase *get_lights(ShadeInput *shi)
 }
 
 #if 0
-static void fogcolor(float *colf, float *rco, float *view)
+static void fogcolor(const float colf[3], float *rco, float *view)
 {
 	float alpha, stepsize, startdist, dist, hor[4], zen[3], vec[3], dview[3];
 	float div=0.0f, distfac;
@@ -408,13 +408,13 @@ static double Normalize_d(double *n)
 }
 
 /* mix of 'real' fresnel and allowing control. grad defines blending gradient */
-float fresnel_fac(float *view, float *vn, float grad, float fac)
+float fresnel_fac(const float view[3], const float vn[3], float grad, float fac)
 {
 	float t1, t2;
 	
 	if (fac==0.0f) return 1.0f;
 	
-	t1= (view[0]*vn[0] + view[1]*vn[1] + view[2]*vn[2]);
+	t1 = dot_v3v3(view, vn);
 	if (t1>0.0f)  t2= 1.0f+t1;
 	else t2= 1.0f-t1;
 	
@@ -433,7 +433,7 @@ static double saacos_d(double fac)
 }
 
 /* Stoke's form factor. Need doubles here for extreme small area sizes */
-static float area_lamp_energy(float (*area)[3], float *co, float *vn)
+static float area_lamp_energy(float (*area)[3], const float co[3], const float vn[3])
 {
 	double fac;
 	double vec[4][3];	/* vectors of rendered co to vertices lamp */
@@ -482,7 +482,7 @@ static float area_lamp_energy(float (*area)[3], float *co, float *vn)
 	return fac;
 }
 
-static float area_lamp_energy_multisample(LampRen *lar, float *co, float *vn)
+static float area_lamp_energy_multisample(LampRen *lar, const float co[3], float *vn)
 {
 	/* corner vectors are moved around according lamp jitter */
 	float *jitlamp= lar->jitter, vec[3];
@@ -554,7 +554,7 @@ static float spec(float inp, int hard)
 	return inp;
 }
 
-static float Phong_Spec(float *n, float *l, float *v, int hard, int tangent )
+static float Phong_Spec(const float n[3], const float l[3], const float v[3], int hard, int tangent )
 {
 	float h[3];
 	float rslt;
@@ -575,7 +575,7 @@ static float Phong_Spec(float *n, float *l, float *v, int hard, int tangent )
 
 
 /* reduced cook torrance spec (for off-specular peak) */
-static float CookTorr_Spec(float *n, float *l, float *v, int hard, int tangent)
+static float CookTorr_Spec(const float n[3], const float l[3], const float v[3], int hard, int tangent)
 {
 	float i, nh, nv, h[3];
 
@@ -599,7 +599,7 @@ static float CookTorr_Spec(float *n, float *l, float *v, int hard, int tangent)
 }
 
 /* Blinn spec */
-static float Blinn_Spec(float *n, float *l, float *v, float refrac, float spec_power, int tangent)
+static float Blinn_Spec(const float n[3], const float l[3], const float v[3], float refrac, float spec_power, int tangent)
 {
 	float i, nh, nv, nl, vh, h[3];
 	float a, b, c, g=0.0f, p, f, ang;
@@ -653,7 +653,7 @@ static float Blinn_Spec(float *n, float *l, float *v, float refrac, float spec_p
 }
 
 /* cartoon render spec */
-static float Toon_Spec(float *n, float *l, float *v, float size, float smooth, int tangent)
+static float Toon_Spec(const float n[3], const float l[3], const float v[3], float size, float smooth, int tangent)
 {
 	float h[3];
 	float ang;
@@ -677,7 +677,7 @@ static float Toon_Spec(float *n, float *l, float *v, float size, float smooth, i
 }
 
 /* Ward isotropic gaussian spec */
-static float WardIso_Spec(float *n, float *l, float *v, float rms, int tangent)
+static float WardIso_Spec(const float n[3], const float l[3], const float v[3], float rms, int tangent)
 {
 	float i, nh, nv, nl, h[3], angle, alpha;
 
@@ -709,7 +709,7 @@ static float WardIso_Spec(float *n, float *l, float *v, float rms, int tangent)
 }
 
 /* cartoon render diffuse */
-static float Toon_Diff(float *n, float *l, float *UNUSED(v), float size, float smooth)
+static float Toon_Diff(const float n[3], const float l[3], const float UNUSED(v[3]), float size, float smooth)
 {
 	float rslt, ang;
 
@@ -728,7 +728,7 @@ static float Toon_Diff(float *n, float *l, float *UNUSED(v), float size, float s
 
 /* 'nl' is either dot product, or return value of area light */
 /* in latter case, only last multiplication uses 'nl' */
-static float OrenNayar_Diff(float nl, float *n, float *l, float *v, float rough )
+static float OrenNayar_Diff(float nl, const float n[3], const float l[3], const float v[3], float rough )
 {
 	float i/*, nh*/, nv /*, vh */, realnl, h[3];
 	float a, b, t, A, B;
@@ -788,7 +788,7 @@ static float OrenNayar_Diff(float nl, float *n, float *l, float *v, float rough
 }
 
 /* Minnaert diffuse */
-static float Minnaert_Diff(float nl, float *n, float *v, float darkness)
+static float Minnaert_Diff(float nl, const float n[3], const float v[3], float darkness)
 {
 
 	float i, nv;
diff --git a/source/blender/render/intern/source/sss.c b/source/blender/render/intern/source/sss.c
index 061cb7852db..46d52e83eda 100644
--- a/source/blender/render/intern/source/sss.c
+++ b/source/blender/render/intern/source/sss.c
@@ -810,12 +810,12 @@ void scatter_tree_build(ScatterTree *tree)
 	sum_radiance(tree, tree->root);
 }
 
-void scatter_tree_sample(ScatterTree *tree, float *co, float *color)
+void scatter_tree_sample(ScatterTree *tree, const float co[3], float color[3])
 {
 	float sco[3];
 
 	copy_v3_v3(sco, co);
-	mul_v3_fl(sco, 1.0f/tree->scale);
+	mul_v3_fl(sco, 1.0f / tree->scale);
 
 	compute_radiance(tree, sco, color);
 }
@@ -1025,7 +1025,7 @@ void free_sss(Render *re)
 	}
 }
 
-int sample_sss(Render *re, Material *mat, float *co, float *color)
+int sample_sss(Render *re, Material *mat, const float co[3], float color[3])
 {
 	if (re->sss_hash) {
 		SSSData *sss= BLI_ghash_lookup(re->sss_hash, mat);
-- 
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