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Blender Internal: Add material property "Cast" which can disable both ray and buffer shadows.

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Also refactor:
- Material property UI related to shadows
- Preparation of OR-ed mode flags (ma->mode_l) of render materials

Reviewers: brecht

Reviewed By: brecht

Differential Revision: https://developer.blender.org/D313
This commit is contained in:
Shinsuke Irie
2014-04-23 15:02:06 +09:00
parent 0e6b28e04b
commit fc28732ba6
14 changed files with 81 additions and 35 deletions
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29
release/scripts/startup/bl_ui/properties_material.py
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@@ -216,15 +216,18 @@ class MATERIAL_PT_pipeline(MaterialButtonsPanel, Panel):
sub.active = mat_type sub.active = mat_type
sub.prop(mat, "use_sky") sub.prop(mat, "use_sky")
sub.prop(mat, "invert_z") sub.prop(mat, "invert_z")
col.prop(mat, "pass_index")
col = split.column() col = split.column()
col.active = mat_type col.active = mat_type
col.prop(mat, "use_cast_shadows", text="Cast")
col.prop(mat, "use_cast_shadows_only", text="Cast Only") col.prop(mat, "use_cast_shadows_only", text="Cast Only")
col.prop(mat, "shadow_cast_alpha", text="Casting Alpha")
col.prop(mat, "use_cast_buffer_shadows") col.prop(mat, "use_cast_buffer_shadows")
sub = col.column()
sub.active = mat.use_cast_buffer_shadows
sub.prop(mat, "shadow_cast_alpha", text="Casting Alpha")
col.prop(mat, "use_cast_approximate") col.prop(mat, "use_cast_approximate")
col.prop(mat, "pass_index")
class MATERIAL_PT_diffuse(MaterialButtonsPanel, Panel): class MATERIAL_PT_diffuse(MaterialButtonsPanel, Panel):
@@ -814,24 +817,30 @@ class MATERIAL_PT_shadow(MaterialButtonsPanel, Panel):
col = split.column() col = split.column()
col.prop(mat, "use_shadows", text="Receive") col.prop(mat, "use_shadows", text="Receive")
col.prop(mat, "use_transparent_shadows", text="Receive Transparent") col.prop(mat, "use_transparent_shadows", text="Receive Transparent")
if simple_material(base_mat):
col.prop(mat, "use_cast_shadows_only", text="Cast Only")
col.prop(mat, "shadow_cast_alpha", text="Casting Alpha")
col.prop(mat, "use_only_shadow", text="Shadows Only") col.prop(mat, "use_only_shadow", text="Shadows Only")
sub = col.column() sub = col.column()
sub.active = mat.use_only_shadow sub.active = mat.use_only_shadow
sub.prop(mat, "shadow_only_type", text="") sub.prop(mat, "shadow_only_type", text="")
if not simple_material(base_mat):
col = split.column() col = split.column()
if simple_material(base_mat):
col.prop(mat, "use_cast_buffer_shadows")
sub = col.column()
sub.active = mat.use_cast_buffer_shadows
sub.prop(mat, "shadow_buffer_bias", text="Buffer Bias")
col.prop(mat, "use_ray_shadow_bias", text="Auto Ray Bias") col.prop(mat, "use_ray_shadow_bias", text="Auto Ray Bias")
sub = col.column() sub = col.column()
sub.active = (not mat.use_ray_shadow_bias) sub.active = (not mat.use_ray_shadow_bias)
sub.prop(mat, "shadow_ray_bias", text="Ray Bias") sub.prop(mat, "shadow_ray_bias", text="Ray Bias")
if simple_material(base_mat):
col = split.column()
col.prop(mat, "use_cast_shadows", text="Cast")
col.prop(mat, "use_cast_shadows_only", text="Cast Only")
col.prop(mat, "use_cast_buffer_shadows")
sub = col.column()
sub.active = mat.use_cast_buffer_shadows
if simple_material(base_mat):
sub.prop(mat, "shadow_cast_alpha", text="Casting Alpha")
sub.prop(mat, "shadow_buffer_bias", text="Buffer Bias")
if simple_material(base_mat): if simple_material(base_mat):
col.prop(mat, "use_cast_approximate") col.prop(mat, "use_cast_approximate")

39
source/blender/blenkernel/intern/material.c
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@@ -203,6 +203,7 @@ void init_material(Material *ma)
ma->game.face_orientation = 0; ma->game.face_orientation = 0;
ma->mode = MA_TRACEBLE | MA_SHADBUF | MA_SHADOW | MA_RAYBIAS | MA_TANGENT_STR | MA_ZTRANSP; ma->mode = MA_TRACEBLE | MA_SHADBUF | MA_SHADOW | MA_RAYBIAS | MA_TANGENT_STR | MA_ZTRANSP;
ma->mode2 = MA_CASTSHADOW;
ma->shade_flag = MA_APPROX_OCCLUSION; ma->shade_flag = MA_APPROX_OCCLUSION;
ma->preview = NULL; ma->preview = NULL;
} }
@@ -1009,16 +1010,6 @@ static void do_init_render_material(Material *ma, int r_mode, float *amb)
ma->ambg = ma->amb * amb[1]; ma->ambg = ma->amb * amb[1];
ma->ambb = ma->amb * amb[2]; ma->ambb = ma->amb * amb[2];
} }
/* will become or-ed result of all node modes */
ma->mode_l = ma->mode;
ma->mode_l &= ~MA_SHLESS;
if (ma->strand_surfnor > 0.0f)
ma->mode_l |= MA_STR_SURFDIFF;
/* parses the geom+tex nodes */
if (ma->nodetree && ma->use_nodes)
ntreeShaderGetTexcoMode(ma->nodetree, r_mode, &ma->texco, &ma->mode_l);
/* local group override */ /* local group override */
if ((ma->shade_flag & MA_GROUP_LOCAL) && ma->id.lib && ma->group && ma->group->id.lib) { if ((ma->shade_flag & MA_GROUP_LOCAL) && ma->id.lib && ma->group && ma->group->id.lib) {
@@ -1043,8 +1034,16 @@ static void init_render_nodetree(bNodeTree *ntree, Material *basemat, int r_mode
if (ma != basemat) { if (ma != basemat) {
do_init_render_material(ma, r_mode, amb); do_init_render_material(ma, r_mode, amb);
basemat->texco |= ma->texco; basemat->texco |= ma->texco;
basemat->mode_l |= ma->mode_l & ~(MA_TRANSP | MA_ZTRANSP | MA_RAYTRANSP);
} }
basemat->mode_l |= ma->mode & ~(MA_MODE_PIPELINE | MA_SHLESS);
basemat->mode2_l |= ma->mode2 & ~MA_MODE2_PIPELINE;
/* basemat only considered shadeless if all node materials are too */
if(!(ma->mode & MA_SHLESS))
basemat->mode_l &= ~MA_SHLESS;
if (ma->strand_surfnor > 0.0f)
basemat->mode_l |= MA_STR_SURFDIFF;
} }
else if (node->type == NODE_GROUP) else if (node->type == NODE_GROUP)
init_render_nodetree((bNodeTree *)node->id, basemat, r_mode, amb); init_render_nodetree((bNodeTree *)node->id, basemat, r_mode, amb);
@@ -1058,11 +1057,27 @@ void init_render_material(Material *mat, int r_mode, float *amb)
do_init_render_material(mat, r_mode, amb); do_init_render_material(mat, r_mode, amb);
if (mat->nodetree && mat->use_nodes) { if (mat->nodetree && mat->use_nodes) {
/* mode_l will take the pipeline options from the main material, and the or-ed
* result of non-pipeline options from the nodes. shadeless is an exception,
* mode_l will have it set when all node materials are shadeless. */
mat->mode_l = (mat->mode & MA_MODE_PIPELINE) | MA_SHLESS;
mat->mode2_l = mat->mode2 & MA_MODE2_PIPELINE;
/* parses the geom+tex nodes */
ntreeShaderGetTexcoMode(mat->nodetree, r_mode, &mat->texco, &mat->mode_l);
init_render_nodetree(mat->nodetree, mat, r_mode, amb); init_render_nodetree(mat->nodetree, mat, r_mode, amb);
if (!mat->nodetree->execdata) if (!mat->nodetree->execdata)
mat->nodetree->execdata = ntreeShaderBeginExecTree(mat->nodetree); mat->nodetree->execdata = ntreeShaderBeginExecTree(mat->nodetree);
} }
else {
mat->mode_l = mat->mode;
mat->mode2_l = mat->mode2;
if (mat->strand_surfnor > 0.0f)
mat->mode_l |= MA_STR_SURFDIFF;
}
} }
void init_render_materials(Main *bmain, int r_mode, float *amb) void init_render_materials(Main *bmain, int r_mode, float *amb)
@@ -1087,7 +1102,7 @@ void init_render_materials(Main *bmain, int r_mode, float *amb)
init_render_material(ma, r_mode, amb); init_render_material(ma, r_mode, amb);
} }
do_init_render_material(&defmaterial, r_mode, amb); init_render_material(&defmaterial, r_mode, amb);
} }
/* only needed for nodes now */ /* only needed for nodes now */

7
source/blender/blenloader/intern/versioning_270.c
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@@ -179,4 +179,11 @@ void blo_do_versions_270(FileData *fd, Library *UNUSED(lib), Main *main)
linestyle->integration_type = LS_INTEGRATION_MEAN; linestyle->integration_type = LS_INTEGRATION_MEAN;
} }
} }
if (!DNA_struct_elem_find(fd->filesdna, "Material", "int", "mode2")) { /* will be replaced with version check when other new flag is added to mode2 */
Material *ma;
for (ma = main->mat.first; ma; ma = ma->id.next)
ma->mode2 = MA_CASTSHADOW;
}
} }

2
source/blender/editors/render/render_preview.c
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@@ -350,7 +350,7 @@ static Scene *preview_prepare_scene(Scene *scene, ID *id, int id_type, ShaderPre
if (base->object->id.name[2] == 'c') { if (base->object->id.name[2] == 'c') {
Material *shadmat = give_current_material(base->object, base->object->actcol); Material *shadmat = give_current_material(base->object, base->object->actcol);
if (shadmat) { if (shadmat) {
if (mat->mode & MA_SHADBUF) shadmat->septex = 0; if (mat->mode2 & MA_CASTSHADOW) shadmat->septex = 0;
else shadmat->septex |= 1; else shadmat->septex |= 1;
} }
} }

2
source/blender/editors/space_view3d/drawobject.c
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@@ -3768,7 +3768,7 @@ static bool draw_mesh_object(Scene *scene, ARegion *ar, View3D *v3d, RegionView3
if (v3d->flag2 & V3D_RENDER_SHADOW) { if (v3d->flag2 & V3D_RENDER_SHADOW) {
for (i = 0; i < ob->totcol; ++i) { for (i = 0; i < ob->totcol; ++i) {
Material *ma = give_current_material(ob, i); Material *ma = give_current_material(ob, i);
if (ma && !(ma->mode & MA_SHADBUF)) { if (ma && !(ma->mode2 & MA_CASTSHADOW)) {
return true; return true;
} }
} }

8
source/blender/makesdna/DNA_material_types.h
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@@ -117,6 +117,7 @@ typedef struct Material {
short shade_flag; /* like Cubic interpolation */ short shade_flag; /* like Cubic interpolation */
int mode, mode_l; /* mode_l is the or-ed result of all layer modes */ int mode, mode_l; /* mode_l is the or-ed result of all layer modes */
int mode2, mode2_l; /* additional mode flags */
short flarec, starc, linec, ringc; short flarec, starc, linec, ringc;
float hasize, flaresize, subsize, flareboost; float hasize, flaresize, subsize, flareboost;
float strand_sta, strand_end, strand_ease, strand_surfnor; float strand_sta, strand_end, strand_ease, strand_surfnor;
@@ -278,6 +279,13 @@ typedef struct Material {
#define MA_STR_SURFDIFF 0x80000000 #define MA_STR_SURFDIFF 0x80000000
#define MA_MODE_MASK 0x6fffffff /* all valid mode bits */ #define MA_MODE_MASK 0x6fffffff /* all valid mode bits */
#define MA_MODE_PIPELINE (MA_TRANSP | MA_ZTRANSP | MA_RAYTRANSP \
| MA_TRACEBLE | MA_FULL_OSA | MA_ENV | MA_ZINV \
| MA_ONLYCAST | MA_SHADBUF)
/* mode2 (is int) */
#define MA_CASTSHADOW (1 << 0)
#define MA_MODE2_PIPELINE (MA_CASTSHADOW)
/* mapflag */ /* mapflag */
#define MA_MAPFLAG_UVPROJECT (1 << 0) #define MA_MAPFLAG_UVPROJECT (1 << 0)

6
source/blender/makesrna/intern/rna_material.c
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@@ -1907,6 +1907,12 @@ void RNA_def_material(BlenderRNA *brna)
"Replace the object's base alpha value with alpha from UV map image textures"); "Replace the object's base alpha value with alpha from UV map image textures");
RNA_def_property_update(prop, 0, "rna_Material_update"); RNA_def_property_update(prop, 0, "rna_Material_update");
prop = RNA_def_property(srna, "use_cast_shadows", PROP_BOOLEAN, PROP_NONE);
RNA_def_property_boolean_sdna(prop, NULL, "mode2", MA_CASTSHADOW);
RNA_def_property_ui_text(prop, "Cast Shadows",
"Allow this material to cast shadows");
RNA_def_property_update(prop, 0, "rna_Material_update");
prop = RNA_def_property(srna, "use_cast_shadows_only", PROP_BOOLEAN, PROP_NONE); prop = RNA_def_property(srna, "use_cast_shadows_only", PROP_BOOLEAN, PROP_NONE);
RNA_def_property_boolean_sdna(prop, NULL, "mode", MA_ONLYCAST); RNA_def_property_boolean_sdna(prop, NULL, "mode", MA_ONLYCAST);
RNA_def_property_ui_text(prop, "Cast Shadows Only", RNA_def_property_ui_text(prop, "Cast Shadows Only",

4
source/blender/render/extern/include/RE_shader_ext.h vendored
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@@ -81,7 +81,7 @@ struct ShadeInputCopy {
short osatex; short osatex;
float vn[3], vno[3]; /* actual render normal, and a copy to restore it */ float vn[3], vno[3]; /* actual render normal, and a copy to restore it */
float n1[3], n2[3], n3[3]; /* vertex normals, corrected */ float n1[3], n2[3], n3[3]; /* vertex normals, corrected */
int mode; /* base material mode (OR-ed result of entire node tree) */ int mode, mode2; /* base material mode (OR-ed result of entire node tree) */
}; };
typedef struct ShadeInputUV { typedef struct ShadeInputUV {
@@ -113,7 +113,7 @@ typedef struct ShadeInput {
short osatex; short osatex;
float vn[3], vno[3]; /* actual render normal, and a copy to restore it */ float vn[3], vno[3]; /* actual render normal, and a copy to restore it */
float n1[3], n2[3], n3[3]; /* vertex normals, corrected */ float n1[3], n2[3], n3[3]; /* vertex normals, corrected */
int mode; /* base material mode (OR-ed result of entire node tree) */ int mode, mode2; /* base material mode (OR-ed result of entire node tree) */
/* internal face coordinates */ /* internal face coordinates */
float u, v, dx_u, dx_v, dy_u, dy_v; float u, v, dx_u, dx_v, dy_u, dy_v;

2
source/blender/render/intern/raytrace/rayobject.cpp
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@@ -119,7 +119,7 @@ MALWAYS_INLINE int vlr_check_intersect(Isect *is, ObjectInstanceRen *obi, VlakRe
if (is->mode == RE_RAY_MIRROR) if (is->mode == RE_RAY_MIRROR)
return !(vlr->mat->mode & MA_ONLYCAST); return !(vlr->mat->mode & MA_ONLYCAST);
else else
return (is->lay & obi->lay); return (vlr->mat->mode2 & MA_CASTSHADOW) && (is->lay & obi->lay);
} }
MALWAYS_INLINE int vlr_check_intersect_solid(Isect *UNUSED(is), ObjectInstanceRen *UNUSED(obi), VlakRen *vlr) MALWAYS_INLINE int vlr_check_intersect_solid(Isect *UNUSED(is), ObjectInstanceRen *UNUSED(obi), VlakRen *vlr)

4
source/blender/render/intern/source/shadbuf.c
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@@ -660,7 +660,7 @@ static void shadowbuf_autoclip(Render *re, LampRen *lar)
if (vlr->mat!= ma) { if (vlr->mat!= ma) {
ma= vlr->mat; ma= vlr->mat;
ok= 1; ok= 1;
if ((ma->mode & MA_SHADBUF)==0) ok= 0; if ((ma->mode2 & MA_CASTSHADOW)==0 || (ma->mode & MA_SHADBUF)==0) ok= 0;
} }
if (ok && (obi->lay & lay)) { if (ok && (obi->lay & lay)) {
@@ -2013,7 +2013,7 @@ static void isb_bsp_fillfaces(Render *re, LampRen *lar, ISBBranch *root)
if (vlr->mat!= ma) { if (vlr->mat!= ma) {
ma= vlr->mat; ma= vlr->mat;
ok= 1; ok= 1;
if ((ma->mode & MA_SHADBUF)==0) ok= 0; if ((ma->mode2 & MA_CASTSHADOW)==0 || (ma->mode & MA_SHADBUF)==0) ok= 0;
if (ma->material_type == MA_TYPE_WIRE) ok= 0; if (ma->material_type == MA_TYPE_WIRE) ok= 0;
zspanstrand.shad_alpha= zspan.shad_alpha= ma->shad_alpha; zspanstrand.shad_alpha= zspan.shad_alpha= ma->shad_alpha;
} }

1
source/blender/render/intern/source/shadeinput.c
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@@ -276,6 +276,7 @@ void shade_input_set_triangle_i(ShadeInput *shi, ObjectInstanceRen *obi, VlakRen
shi->osatex = (shi->mat->texco & TEXCO_OSA); shi->osatex = (shi->mat->texco & TEXCO_OSA);
shi->mode = shi->mat->mode_l; /* or-ed result for all nodes */ shi->mode = shi->mat->mode_l; /* or-ed result for all nodes */
shi->mode2 = shi->mat->mode2_l;
/* facenormal copy, can get flipped */ /* facenormal copy, can get flipped */
shi->flippednor = 0; shi->flippednor = 0;

2
source/blender/render/intern/source/strand.c
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@@ -862,7 +862,7 @@ int zbuffer_strands_abuf(Render *re, RenderPart *pa, APixstrand *apixbuf, ListBa
/* test if we should skip it */ /* test if we should skip it */
ma = obr->strandbuf->ma; ma = obr->strandbuf->ma;
if (shadow && !(ma->mode & MA_SHADBUF)) if (shadow && (!(ma->mode2 & MA_CASTSHADOW) || !(ma->mode & MA_SHADBUF)))
continue; continue;
else if (!shadow && (ma->mode & MA_ONLYCAST)) else if (!shadow && (ma->mode & MA_ONLYCAST))
continue; continue;

6
source/blender/render/intern/source/zbuf.c
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@@ -2367,7 +2367,7 @@ void zbuffer_shadow(Render *re, float winmat[4][4], LampRen *lar, int *rectz, in
if (vlr->mat!= ma) { if (vlr->mat!= ma) {
ma= vlr->mat; ma= vlr->mat;
ok= 1; ok= 1;
if ((ma->mode & MA_SHADBUF)==0) ok= 0; if ((ma->mode2 & MA_CASTSHADOW)==0 || (ma->mode & MA_SHADBUF)==0) ok= 0;
} }
if (ok && (obi->lay & lay) && !(vlr->flag & R_HIDDEN)) { if (ok && (obi->lay & lay) && !(vlr->flag & R_HIDDEN)) {
@@ -2420,7 +2420,7 @@ void zbuffer_shadow(Render *re, float winmat[4][4], LampRen *lar, int *rectz, in
if (sseg.buffer->ma!= ma) { if (sseg.buffer->ma!= ma) {
ma= sseg.buffer->ma; ma= sseg.buffer->ma;
ok= 1; ok= 1;
if ((ma->mode & MA_SHADBUF)==0) ok= 0; if ((ma->mode2 & MA_CASTSHADOW)==0 || (ma->mode & MA_SHADBUF)==0) ok= 0;
} }
if (ok && (sseg.buffer->lay & lay)) { if (ok && (sseg.buffer->lay & lay)) {
@@ -3348,7 +3348,7 @@ static int zbuffer_abuf(Render *re, RenderPart *pa, APixstr *APixbuf, ListBase *
if (vlr->mat!=ma) { if (vlr->mat!=ma) {
ma= vlr->mat; ma= vlr->mat;
if (shadow) if (shadow)
dofill= (ma->mode & MA_SHADBUF); dofill= (ma->mode2 & MA_CASTSHADOW) && (ma->mode & MA_SHADBUF);
else else
dofill= (((ma->mode & MA_TRANSP) && (ma->mode & MA_ZTRANSP)) && !(ma->mode & MA_ONLYCAST)); dofill= (((ma->mode & MA_TRANSP) && (ma->mode & MA_ZTRANSP)) && !(ma->mode & MA_ONLYCAST));
} }

2
source/gameengine/Converter/BL_BlenderDataConversion.cpp
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@@ -612,7 +612,7 @@ static bool ConvertMaterial(
material->ras_mode |= ( mat->game.flag & GEMAT_BACKCULL )?0:TWOSIDED; material->ras_mode |= ( mat->game.flag & GEMAT_BACKCULL )?0:TWOSIDED;
// cast shadows? // cast shadows?
material->ras_mode |= ( mat->mode & MA_SHADBUF )?CAST_SHADOW:0; material->ras_mode |= ( (mat->mode2 & MA_CASTSHADOW) && (mat->mode & MA_SHADBUF) )?CAST_SHADOW:0;
// only shadows? // only shadows?
material->ras_mode |= ( mat->mode & MA_ONLYCAST )?ONLY_SHADOW:0; material->ras_mode |= ( mat->mode & MA_ONLYCAST )?ONLY_SHADOW:0;