source/blender/draw/intern/draw_common.c

   1 /*
   2  * This program is free software; you can redistribute it and/or
   3  * modify it under the terms of the GNU General Public License
   4  * as published by the Free Software Foundation; either version 2
   5  * of the License, or (at your option) any later version.
   6  *
   7  * This program is distributed in the hope that it will be useful,
   8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
   9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  10  * GNU General Public License for more details.
  11  *
  12  * You should have received a copy of the GNU General Public License
  13  * along with this program; if not, write to the Free Software Foundation,
  14  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  15  *
  16  * Copyright 2016, Blender Foundation.
  17  */
  18
  19 /** \file blender/draw/intern/draw_common.c
  20  *  \ingroup draw
  21  */
  22
  23 #include "DRW_render.h"
  24
  25 #include "GPU_shader.h"
  26 #include "GPU_texture.h"
  27
  28 #include "UI_resources.h"
  29
  30 #include "BKE_object.h"
  31 #include "BKE_global.h"
  32 #include "BKE_colorband.h"
  33
  34 #include "draw_common.h"
  35 #include "draw_builtin_shader.h"
  36
  37 #if 0
  38 #define UI_COLOR_RGB_FROM_U8(r, g, b, v4) \
  39         ARRAY_SET_ITEMS(v4, (float)r / 255.0f, (float)g / 255.0f, (float)b / 255.0f, 1.0)
  40 #endif
  41 #define UI_COLOR_RGBA_FROM_U8(r, g, b, a, v4) \
  42         ARRAY_SET_ITEMS(v4, (float)r / 255.0f, (float)g / 255.0f, (float)b / 255.0f, (float)a / 255.0f)
  43
  44 /* Colors & Constant */
  45 struct DRW_Global G_draw = {0};
  46
  47 static bool weight_ramp_custom = false;
  48 static ColorBand weight_ramp_copy;
  49
  50 static struct GPUTexture *DRW_create_weight_colorramp_texture(void);
  51
  52 void DRW_globals_update(void)
  53 {
  54         GlobalsUboStorage *gb = &G_draw.block;
  55
  56         UI_GetThemeColor4fv(TH_WIRE, gb->colorWire);
  57         UI_GetThemeColor4fv(TH_WIRE_EDIT, gb->colorWireEdit);
  58         UI_GetThemeColor4fv(TH_ACTIVE, gb->colorActive);
  59         UI_GetThemeColor4fv(TH_SELECT, gb->colorSelect);
  60         UI_COLOR_RGBA_FROM_U8(0x88, 0xFF, 0xFF, 155, gb->colorLibrarySelect);
  61         UI_COLOR_RGBA_FROM_U8(0x55, 0xCC, 0xCC, 155, gb->colorLibrary);
  62         UI_GetThemeColor4fv(TH_TRANSFORM, gb->colorTransform);
  63         UI_GetThemeColor4fv(TH_LAMP, gb->colorLamp);
  64         UI_GetThemeColor4fv(TH_SPEAKER, gb->colorSpeaker);
  65         UI_GetThemeColor4fv(TH_CAMERA, gb->colorCamera);
  66         UI_GetThemeColor4fv(TH_EMPTY, gb->colorEmpty);
  67         UI_GetThemeColor4fv(TH_VERTEX, gb->colorVertex);
  68         UI_GetThemeColor4fv(TH_VERTEX_SELECT, gb->colorVertexSelect);
  69         UI_GetThemeColor4fv(TH_VERTEX_UNREFERENCED, gb->colorVertexUnreferenced);
  70         UI_COLOR_RGBA_FROM_U8(0xB0, 0x00, 0xB0, 0xFF, gb->colorVertexMissingData);
  71         UI_GetThemeColor4fv(TH_EDITMESH_ACTIVE, gb->colorEditMeshActive);
  72         UI_GetThemeColor4fv(TH_EDGE_SELECT, gb->colorEdgeSelect);
  73
  74         UI_GetThemeColor4fv(TH_EDGE_SEAM, gb->colorEdgeSeam);
  75         UI_GetThemeColor4fv(TH_EDGE_SHARP, gb->colorEdgeSharp);
  76         UI_GetThemeColor4fv(TH_EDGE_CREASE, gb->colorEdgeCrease);
  77         UI_GetThemeColor4fv(TH_EDGE_BEVEL, gb->colorEdgeBWeight);
  78         UI_GetThemeColor4fv(TH_EDGE_FACESEL, gb->colorEdgeFaceSelect);
  79         UI_GetThemeColor4fv(TH_FACE, gb->colorFace);
  80         UI_GetThemeColor4fv(TH_FACE_SELECT, gb->colorFaceSelect);
  81         UI_GetThemeColor4fv(TH_NORMAL, gb->colorNormal);
  82         UI_GetThemeColor4fv(TH_VNORMAL, gb->colorVNormal);
  83         UI_GetThemeColor4fv(TH_LNORMAL, gb->colorLNormal);
  84         UI_GetThemeColor4fv(TH_FACE_DOT, gb->colorFaceDot);
  85         UI_GetThemeColor4fv(TH_BACK, gb->colorBackground);
  86
  87         /* Custom median color to slightly affect the edit mesh colors. */
  88         interp_v4_v4v4(gb->colorEditMeshMiddle, gb->colorVertexSelect, gb->colorWireEdit, 0.35f);
  89         copy_v3_fl(gb->colorEditMeshMiddle, dot_v3v3(gb->colorEditMeshMiddle, (float[3]){0.3333f, 0.3333f, 0.3333f})); /* Desaturate */
  90
  91         interp_v4_v4v4(gb->colorDupliSelect, gb->colorBackground, gb->colorSelect, 0.5f);
  92         /* Was 50% in 2.7x since the background was lighter making it easier to tell the color from black,
  93          * with a darker background we need a more faded color. */
  94         interp_v4_v4v4(gb->colorDupli, gb->colorBackground, gb->colorWire, 0.3f);
  95
  96 #ifdef WITH_FREESTYLE
  97         UI_GetThemeColor4fv(TH_FREESTYLE_EDGE_MARK, gb->colorEdgeFreestyle);
  98         UI_GetThemeColor4fv(TH_FREESTYLE_FACE_MARK, gb->colorFaceFreestyle);
  99 #else
 100         zero_v4(gb->colorEdgeFreestyle);
 101         zero_v4(gb->colorFaceFreestyle);
 102 #endif
 103
 104         /* Curve */
 105         UI_GetThemeColor4fv(TH_HANDLE_FREE, gb->colorHandleFree);
 106         UI_GetThemeColor4fv(TH_HANDLE_AUTO, gb->colorHandleAuto);
 107         UI_GetThemeColor4fv(TH_HANDLE_VECT, gb->colorHandleVect);
 108         UI_GetThemeColor4fv(TH_HANDLE_ALIGN, gb->colorHandleAlign);
 109         UI_GetThemeColor4fv(TH_HANDLE_AUTOCLAMP, gb->colorHandleAutoclamp);
 110         UI_GetThemeColor4fv(TH_HANDLE_SEL_FREE, gb->colorHandleSelFree);
 111         UI_GetThemeColor4fv(TH_HANDLE_SEL_AUTO, gb->colorHandleSelAuto);
 112         UI_GetThemeColor4fv(TH_HANDLE_SEL_VECT, gb->colorHandleSelVect);
 113         UI_GetThemeColor4fv(TH_HANDLE_SEL_ALIGN, gb->colorHandleSelAlign);
 114         UI_GetThemeColor4fv(TH_HANDLE_SEL_AUTOCLAMP, gb->colorHandleSelAutoclamp);
 115         UI_GetThemeColor4fv(TH_NURB_ULINE, gb->colorNurbUline);
 116         UI_GetThemeColor4fv(TH_NURB_VLINE, gb->colorNurbVline);
 117         UI_GetThemeColor4fv(TH_NURB_SEL_ULINE, gb->colorNurbSelUline);
 118         UI_GetThemeColor4fv(TH_NURB_SEL_VLINE, gb->colorNurbSelVline);
 119         UI_GetThemeColor4fv(TH_ACTIVE_SPLINE, gb->colorActiveSpline);
 120
 121         UI_GetThemeColor4fv(TH_BONE_POSE, gb->colorBonePose);
 122
 123         UI_GetThemeColor4fv(TH_CFRAME, gb->colorCurrentFrame);
 124
 125         /* Grid */
 126         UI_GetThemeColorShade4fv(TH_GRID, 10, gb->colorGrid);
 127         /* emphasise division lines lighter instead of darker, if background is darker than grid */
 128         UI_GetThemeColorShade4fv(
 129                 TH_GRID,
 130                 (gb->colorGrid[0] + gb->colorGrid[1] + gb->colorGrid[2] + 0.12f >
 131                  gb->colorBackground[0] + gb->colorBackground[1] + gb->colorBackground[2]) ?
 132                 20 : -10, gb->colorGridEmphasise);
 133         /* Grid Axis */
 134         UI_GetThemeColorBlendShade4fv(TH_GRID, TH_AXIS_X, 0.5f, -10, gb->colorGridAxisX);
 135         UI_GetThemeColorBlendShade4fv(TH_GRID, TH_AXIS_Y, 0.5f, -10, gb->colorGridAxisY);
 136         UI_GetThemeColorBlendShade4fv(TH_GRID, TH_AXIS_Z, 0.5f, -10, gb->colorGridAxisZ);
 137
 138         UI_GetThemeColorShadeAlpha4fv(TH_TRANSFORM, 0, -80, gb->colorDeselect);
 139         UI_GetThemeColorShadeAlpha4fv(TH_WIRE, 0, -30, gb->colorOutline);
 140         UI_GetThemeColorShadeAlpha4fv(TH_LAMP, 0, 255, gb->colorLampNoAlpha);
 141
 142         gb->sizeLampCenter = (U.obcenter_dia + 1.5f) * U.pixelsize;
 143         gb->sizeLampCircle = U.pixelsize * 9.0f;
 144         gb->sizeLampCircleShadow = gb->sizeLampCircle + U.pixelsize * 3.0f;
 145
 146         /* M_SQRT2 to be at least the same size of the old square */
 147         gb->sizeVertex = U.pixelsize * (max_ff(1.0f, UI_GetThemeValuef(TH_VERTEX_SIZE) * (float)M_SQRT2 / 2.0f));
 148         gb->sizeFaceDot = U.pixelsize * UI_GetThemeValuef(TH_FACEDOT_SIZE);
 149         gb->sizeEdge = U.pixelsize * (1.0f / 2.0f); /* TODO Theme */
 150         gb->sizeEdgeFix = U.pixelsize * (0.5f + 2.0f * (2.0f * (gb->sizeEdge * (float)M_SQRT1_2)));
 151
 152         /* Color management. */
 153         if (DRW_state_is_image_render()) {
 154                 float *color = gb->UBO_FIRST_COLOR;
 155                 do {
 156                         /* TODO more accurate transform. */
 157                         srgb_to_linearrgb_v4(color, color);
 158                         color += 4;
 159                 } while (color != gb->UBO_LAST_COLOR);
 160         }
 161
 162         if (G_draw.block_ubo == NULL) {
 163                 G_draw.block_ubo = DRW_uniformbuffer_create(sizeof(GlobalsUboStorage), gb);
 164         }
 165
 166         DRW_uniformbuffer_update(G_draw.block_ubo, gb);
 167
 168         if (!G_draw.ramp) {
 169                 ColorBand ramp = {0};
 170                 float *colors;
 171                 int col_size;
 172
 173                 ramp.tot = 3;
 174                 ramp.data[0].a = 1.0f;
 175                 ramp.data[0].b = 1.0f;
 176                 ramp.data[0].pos = 0.0f;
 177                 ramp.data[1].a = 1.0f;
 178                 ramp.data[1].g = 1.0f;
 179                 ramp.data[1].pos = 0.5f;
 180                 ramp.data[2].a = 1.0f;
 181                 ramp.data[2].r = 1.0f;
 182                 ramp.data[2].pos = 1.0f;
 183
 184                 BKE_colorband_evaluate_table_rgba(&ramp, &colors, &col_size);
 185
 186                 G_draw.ramp = GPU_texture_create_1D(col_size, GPU_RGBA8, colors, NULL);
 187
 188                 MEM_freeN(colors);
 189         }
 190
 191         /* Weight Painting color ramp texture */
 192         bool user_weight_ramp = (U.flag & USER_CUSTOM_RANGE) != 0;
 193
 194         if (weight_ramp_custom != user_weight_ramp ||
 195             (user_weight_ramp && memcmp(&weight_ramp_copy, &U.coba_weight, sizeof(ColorBand)) != 0))
 196         {
 197                 DRW_TEXTURE_FREE_SAFE(G_draw.weight_ramp);
 198         }
 199
 200         if (G_draw.weight_ramp == NULL) {
 201                 weight_ramp_custom = user_weight_ramp;
 202                 memcpy(&weight_ramp_copy, &U.coba_weight, sizeof(ColorBand));
 203
 204                 G_draw.weight_ramp = DRW_create_weight_colorramp_texture();
 205         }
 206 }
 207
 208 /* ********************************* SHGROUP ************************************* */
 209
 210 extern char datatoc_animviz_mpath_lines_vert_glsl[];
 211 extern char datatoc_animviz_mpath_lines_geom_glsl[];
 212 extern char datatoc_animviz_mpath_points_vert_glsl[];
 213
 214 extern char datatoc_volume_velocity_vert_glsl[];
 215
 216 extern char datatoc_armature_axes_vert_glsl[];
 217 extern char datatoc_armature_sphere_solid_vert_glsl[];
 218 extern char datatoc_armature_sphere_solid_frag_glsl[];
 219 extern char datatoc_armature_sphere_outline_vert_glsl[];
 220 extern char datatoc_armature_envelope_solid_vert_glsl[];
 221 extern char datatoc_armature_envelope_solid_frag_glsl[];
 222 extern char datatoc_armature_envelope_outline_vert_glsl[];
 223 extern char datatoc_armature_envelope_distance_frag_glsl[];
 224 extern char datatoc_armature_shape_solid_vert_glsl[];
 225 extern char datatoc_armature_shape_solid_frag_glsl[];
 226 extern char datatoc_armature_shape_outline_vert_glsl[];
 227 extern char datatoc_armature_shape_outline_geom_glsl[];
 228 extern char datatoc_armature_stick_vert_glsl[];
 229 extern char datatoc_armature_stick_frag_glsl[];
 230 extern char datatoc_armature_dof_vert_glsl[];
 231
 232 extern char datatoc_common_globals_lib_glsl[];
 233 extern char datatoc_common_world_clip_lib_glsl[];
 234
 235 extern char datatoc_gpu_shader_flat_color_frag_glsl[];
 236 extern char datatoc_gpu_shader_3D_smooth_color_frag_glsl[];
 237 extern char datatoc_gpu_shader_point_varying_color_frag_glsl[];
 238
 239 extern char datatoc_object_mball_handles_vert_glsl[];
 240 extern char datatoc_object_empty_axes_vert_glsl[];
 241
 242 typedef struct COMMON_Shaders {
 243         struct GPUShader *shape_outline;
 244         struct GPUShader *shape_solid;
 245         struct GPUShader *bone_axes;
 246         struct GPUShader *bone_envelope;
 247         struct GPUShader *bone_envelope_distance;
 248         struct GPUShader *bone_envelope_outline;
 249         struct GPUShader *bone_sphere;
 250         struct GPUShader *bone_sphere_outline;
 251         struct GPUShader *bone_stick;
 252         struct GPUShader *bone_dofs;
 253
 254         struct GPUShader *mpath_line_sh;
 255         struct GPUShader *mpath_points_sh;
 256
 257         struct GPUShader *volume_velocity_needle_sh;
 258         struct GPUShader *volume_velocity_sh;
 259         struct GPUShader *empty_axes_sh;
 260
 261         struct GPUShader *mball_handles;
 262 } COMMON_Shaders;
 263
 264 static COMMON_Shaders g_shaders[DRW_SHADER_SLOT_LEN] = {{NULL}};
 265
 266 static struct {
 267         struct GPUVertFormat *instance_screenspace;
 268         struct GPUVertFormat *instance_color;
 269         struct GPUVertFormat *instance_screen_aligned;
 270         struct GPUVertFormat *instance_scaled;
 271         struct GPUVertFormat *instance_sized;
 272         struct GPUVertFormat *instance_outline;
 273         struct GPUVertFormat *instance;
 274         struct GPUVertFormat *instance_camera;
 275         struct GPUVertFormat *instance_distance_lines;
 276         struct GPUVertFormat *instance_spot;
 277         struct GPUVertFormat *instance_bone;
 278         struct GPUVertFormat *instance_bone_dof;
 279         struct GPUVertFormat *instance_bone_stick;
 280         struct GPUVertFormat *instance_bone_outline;
 281         struct GPUVertFormat *instance_bone_envelope;
 282         struct GPUVertFormat *instance_bone_envelope_distance;
 283         struct GPUVertFormat *instance_bone_envelope_outline;
 284         struct GPUVertFormat *instance_mball_handles;
 285         struct GPUVertFormat *dynlines_color;
 286 } g_formats = {NULL};
 287
 288 void DRW_globals_free(void)
 289 {
 290         struct GPUVertFormat **format = &g_formats.instance_screenspace;
 291         for (int i = 0; i < sizeof(g_formats) / sizeof(void *); ++i, ++format) {
 292                 MEM_SAFE_FREE(*format);
 293         }
 294
 295         for (int j = 0; j < DRW_SHADER_SLOT_LEN; j++) {
 296                 struct GPUShader **shader = &g_shaders[j].shape_outline;
 297                 for (int i = 0; i < sizeof(g_shaders[j]) / sizeof(void *); ++i, ++shader) {
 298                         DRW_SHADER_FREE_SAFE(*shader);
 299                 }
 300         }
 301 }
 302
 303 void DRW_shgroup_world_clip_planes_from_rv3d(DRWShadingGroup *shgrp, const RegionView3D *rv3d)
 304 {
 305         int world_clip_planes_len = (rv3d->viewlock & RV3D_BOXCLIP) ? 4 : 6;
 306         DRW_shgroup_uniform_vec4(shgrp, "WorldClipPlanes", rv3d->clip[0], world_clip_planes_len);
 307         DRW_shgroup_state_enable(shgrp, DRW_STATE_CLIP_PLANES);
 308 }
 309
 310 DRWShadingGroup *shgroup_dynlines_flat_color(DRWPass *pass)
 311 {
 312         GPUShader *sh = GPU_shader_get_builtin_shader(GPU_SHADER_3D_FLAT_COLOR);
 313
 314         DRW_shgroup_instance_format(g_formats.dynlines_color, {
 315                 {"pos",       DRW_ATTR_FLOAT, 3},
 316                 {"color",     DRW_ATTR_FLOAT, 4},
 317         });
 318
 319         DRWShadingGroup *grp = DRW_shgroup_line_batch_create_with_format(sh, pass, g_formats.dynlines_color);
 320
 321         return grp;
 322 }
 323
 324 DRWShadingGroup *shgroup_dynlines_dashed_uniform_color(DRWPass *pass, const float color[4])
 325 {
 326         GPUShader *sh = GPU_shader_get_builtin_shader(GPU_SHADER_3D_LINE_DASHED_UNIFORM_COLOR);
 327
 328         static float dash_width = 6.0f;
 329         static float dash_factor = 0.5f;
 330         DRWShadingGroup *grp = DRW_shgroup_line_batch_create(sh, pass);
 331         DRW_shgroup_uniform_vec4(grp, "color", color, 1);
 332         DRW_shgroup_uniform_vec2(grp, "viewport_size", DRW_viewport_size_get(), 1);
 333         DRW_shgroup_uniform_float(grp, "dash_width", &dash_width, 1);
 334         DRW_shgroup_uniform_float(grp, "dash_factor", &dash_factor, 1);
 335         DRW_shgroup_uniform_int_copy(grp, "colors_len", 0); /* "simple" mode */
 336
 337         return grp;
 338 }
 339
 340 DRWShadingGroup *shgroup_dynpoints_uniform_color(
 341         DRWPass *pass, const float color[4], const float *size, eDRW_ShaderSlot shader_slot)
 342 {
 343         GPUShader *sh = DRW_shader_get_builtin_shader(GPU_SHADER_3D_POINT_UNIFORM_SIZE_UNIFORM_COLOR_AA, shader_slot);
 344
 345         DRWShadingGroup *grp = DRW_shgroup_point_batch_create(sh, pass);
 346         DRW_shgroup_uniform_vec4(grp, "color", color, 1);
 347         DRW_shgroup_uniform_float(grp, "size", size, 1);
 348         DRW_shgroup_state_enable(grp, DRW_STATE_POINT);
 349         if (shader_slot == DRW_SHADER_SLOT_CLIPPED) {
 350                 DRW_shgroup_world_clip_planes_from_rv3d(grp, DRW_context_state_get()->rv3d);
 351         }
 352         return grp;
 353 }
 354
 355 DRWShadingGroup *shgroup_groundlines_uniform_color(DRWPass *pass, const float color[4], eDRW_ShaderSlot shader_slot)
 356 {
 357         GPUShader *sh = DRW_shader_get_builtin_shader(GPU_SHADER_3D_GROUNDLINE, shader_slot);
 358
 359         DRWShadingGroup *grp = DRW_shgroup_point_batch_create(sh, pass);
 360         DRW_shgroup_uniform_vec4(grp, "color", color, 1);
 361         if (shader_slot == DRW_SHADER_SLOT_CLIPPED) {
 362                 DRW_shgroup_world_clip_planes_from_rv3d(grp, DRW_context_state_get()->rv3d);
 363         }
 364         return grp;
 365 }
 366
 367 DRWShadingGroup *shgroup_groundpoints_uniform_color(DRWPass *pass, const float color[4], eDRW_ShaderSlot shader_slot)
 368 {
 369         GPUShader *sh = DRW_shader_get_builtin_shader(GPU_SHADER_3D_GROUNDPOINT, shader_slot);
 370
 371         DRWShadingGroup *grp = DRW_shgroup_point_batch_create(sh, pass);
 372         DRW_shgroup_uniform_vec4(grp, "color", color, 1);
 373         DRW_shgroup_state_enable(grp, DRW_STATE_POINT);
 374         if (shader_slot == DRW_SHADER_SLOT_CLIPPED) {
 375                 DRW_shgroup_world_clip_planes_from_rv3d(grp, DRW_context_state_get()->rv3d);
 376         }
 377         return grp;
 378 }
 379
 380 DRWShadingGroup *shgroup_instance_screenspace(
 381         DRWPass *pass, struct GPUBatch *geom, const float *size, eDRW_ShaderSlot shader_slot)
 382 {
 383         GPUShader *sh = DRW_shader_get_builtin_shader(GPU_SHADER_3D_SCREENSPACE_VARIYING_COLOR, shader_slot);
 384
 385         DRW_shgroup_instance_format(g_formats.instance_screenspace, {
 386                 {"world_pos", DRW_ATTR_FLOAT, 3},
 387                 {"color",     DRW_ATTR_FLOAT, 3},
 388         });
 389
 390         DRWShadingGroup *grp = DRW_shgroup_instance_create(sh, pass, geom, g_formats.instance_screenspace);
 391         DRW_shgroup_uniform_float(grp, "size", size, 1);
 392         DRW_shgroup_uniform_float(grp, "pixel_size", DRW_viewport_pixelsize_get(), 1);
 393         DRW_shgroup_uniform_vec3(grp, "screen_vecs[0]", DRW_viewport_screenvecs_get(), 2);
 394         if (shader_slot == DRW_SHADER_SLOT_CLIPPED) {
 395                 DRW_shgroup_world_clip_planes_from_rv3d(grp, DRW_context_state_get()->rv3d);
 396         }
 397         return grp;
 398 }
 399
 400 DRWShadingGroup *shgroup_instance_solid(DRWPass *pass, struct GPUBatch *geom)
 401 {
 402         static float light[3] = {0.0f, 0.0f, 1.0f};
 403         GPUShader *sh = GPU_shader_get_builtin_shader(GPU_SHADER_3D_OBJECTSPACE_SIMPLE_LIGHTING_VARIYING_COLOR);
 404
 405         DRW_shgroup_instance_format(g_formats.instance_color, {
 406                 {"InstanceModelMatrix", DRW_ATTR_FLOAT, 16},
 407                 {"color",               DRW_ATTR_FLOAT, 4},
 408         });
 409
 410         DRWShadingGroup *grp = DRW_shgroup_instance_create(sh, pass, geom, g_formats.instance_color);
 411         DRW_shgroup_uniform_vec3(grp, "light", light, 1);
 412
 413         return grp;
 414 }
 415
 416 DRWShadingGroup *shgroup_instance_wire(DRWPass *pass, struct GPUBatch *geom)
 417 {
 418         GPUShader *sh = GPU_shader_get_builtin_shader(GPU_SHADER_3D_OBJECTSPACE_VARIYING_COLOR);
 419
 420         DRW_shgroup_instance_format(g_formats.instance_color, {
 421                 {"InstanceModelMatrix", DRW_ATTR_FLOAT, 16},
 422                 {"color",               DRW_ATTR_FLOAT, 4},
 423         });
 424
 425         DRWShadingGroup *grp = DRW_shgroup_instance_create(sh, pass, geom, g_formats.instance_color);
 426
 427         return grp;
 428 }
 429
 430 DRWShadingGroup *shgroup_instance_screen_aligned(
 431         DRWPass *pass, struct GPUBatch *geom, eDRW_ShaderSlot shader_slot)
 432 {
 433         GPUShader *sh = DRW_shader_get_builtin_shader(GPU_SHADER_3D_INSTANCE_SCREEN_ALIGNED, shader_slot);
 434
 435         DRW_shgroup_instance_format(g_formats.instance_screen_aligned, {
 436                 {"color",               DRW_ATTR_FLOAT, 3},
 437                 {"size",                DRW_ATTR_FLOAT, 1},
 438                 {"InstanceModelMatrix", DRW_ATTR_FLOAT, 16},
 439         });
 440
 441         DRWShadingGroup *grp = DRW_shgroup_instance_create(sh, pass, geom, g_formats.instance_screen_aligned);
 442         DRW_shgroup_uniform_vec3(grp, "screen_vecs[0]", DRW_viewport_screenvecs_get(), 2);
 443         if (shader_slot == DRW_SHADER_SLOT_CLIPPED) {
 444                 DRW_shgroup_world_clip_planes_from_rv3d(grp, DRW_context_state_get()->rv3d);
 445         }
 446         return grp;
 447 }
 448
 449 DRWShadingGroup *shgroup_instance_scaled(DRWPass *pass, struct GPUBatch *geom, eDRW_ShaderSlot shader_slot)
 450 {
 451         GPUShader *sh_inst = DRW_shader_get_builtin_shader(GPU_SHADER_INSTANCE_VARIYING_COLOR_VARIYING_SCALE, shader_slot);
 452
 453         DRW_shgroup_instance_format(g_formats.instance_scaled, {
 454                 {"color",               DRW_ATTR_FLOAT, 3},
 455                 {"size",                DRW_ATTR_FLOAT, 3},
 456                 {"InstanceModelMatrix", DRW_ATTR_FLOAT, 16},
 457         });
 458
 459         DRWShadingGroup *grp = DRW_shgroup_instance_create(sh_inst, pass, geom, g_formats.instance_scaled);
 460         if (shader_slot == DRW_SHADER_SLOT_CLIPPED) {
 461                 DRW_shgroup_world_clip_planes_from_rv3d(grp, DRW_context_state_get()->rv3d);
 462         }
 463         return grp;
 464 }
 465
 466 DRWShadingGroup *shgroup_instance(DRWPass *pass, struct GPUBatch *geom, eDRW_ShaderSlot shader_slot)
 467 {
 468         GPUShader *sh_inst = DRW_shader_get_builtin_shader(GPU_SHADER_INSTANCE_VARIYING_COLOR_VARIYING_SIZE, shader_slot);
 469
 470         DRW_shgroup_instance_format(g_formats.instance_sized, {
 471                 {"color",               DRW_ATTR_FLOAT, 4},
 472                 {"size",                DRW_ATTR_FLOAT, 1},
 473                 {"InstanceModelMatrix", DRW_ATTR_FLOAT, 16},
 474         });
 475
 476         DRWShadingGroup *grp = DRW_shgroup_instance_create(sh_inst, pass, geom, g_formats.instance_sized);
 477         DRW_shgroup_state_disable(grp, DRW_STATE_BLEND);
 478         if (shader_slot == DRW_SHADER_SLOT_CLIPPED) {
 479                 DRW_shgroup_world_clip_planes_from_rv3d(grp, DRW_context_state_get()->rv3d);
 480         }
 481         return grp;
 482 }
 483
 484 DRWShadingGroup *shgroup_instance_alpha(DRWPass *pass, struct GPUBatch *geom, eDRW_ShaderSlot shader_slot)
 485 {
 486         GPUShader *sh_inst = DRW_shader_get_builtin_shader(GPU_SHADER_INSTANCE_VARIYING_COLOR_VARIYING_SIZE, shader_slot);
 487
 488         DRW_shgroup_instance_format(g_formats.instance_sized, {
 489                 {"color",               DRW_ATTR_FLOAT, 4},
 490                 {"size",                DRW_ATTR_FLOAT, 1},
 491                 {"InstanceModelMatrix", DRW_ATTR_FLOAT, 16},
 492         });
 493
 494         DRWShadingGroup *grp = DRW_shgroup_instance_create(sh_inst, pass, geom, g_formats.instance_sized);
 495         if (shader_slot == DRW_SHADER_SLOT_CLIPPED) {
 496                 DRW_shgroup_world_clip_planes_from_rv3d(grp, DRW_context_state_get()->rv3d);
 497         }
 498         return grp;
 499 }
 500
 501 DRWShadingGroup *shgroup_instance_empty_axes(DRWPass *pass, struct GPUBatch *geom, eDRW_ShaderSlot shader_slot)
 502 {
 503         COMMON_Shaders *sh_data = &g_shaders[shader_slot];
 504         const char *world_clip_lib_or_empty = (shader_slot == DRW_SHADER_SLOT_CLIPPED) ? datatoc_common_world_clip_lib_glsl : "";
 505         const char *world_clip_def_or_empty = (shader_slot == DRW_SHADER_SLOT_CLIPPED) ? "#define USE_WORLD_CLIP_PLANES\n" : "";
 506         if (sh_data->empty_axes_sh == NULL) {
 507                 sh_data->empty_axes_sh = DRW_shader_create_from_arrays({
 508                         .vert = (const char *[]){world_clip_lib_or_empty, datatoc_object_empty_axes_vert_glsl, NULL},
 509                         .frag = (const char *[]){datatoc_gpu_shader_flat_color_frag_glsl, NULL},
 510                         .defs = (const char *[]){world_clip_def_or_empty, NULL},
 511                 });
 512         }
 513
 514         DRW_shgroup_instance_format(g_formats.instance_sized, {
 515                 {"color",               DRW_ATTR_FLOAT, 3},
 516                 {"size",                DRW_ATTR_FLOAT, 1},
 517                 {"InstanceModelMatrix", DRW_ATTR_FLOAT, 16},
 518         });
 519
 520         DRWShadingGroup *grp = DRW_shgroup_instance_create(sh_data->empty_axes_sh, pass, geom, g_formats.instance_sized);
 521         DRW_shgroup_uniform_vec3(grp, "screenVecs[0]", DRW_viewport_screenvecs_get(), 2);
 522         if (shader_slot == DRW_SHADER_SLOT_CLIPPED) {
 523                 DRW_shgroup_world_clip_planes_from_rv3d(grp, DRW_context_state_get()->rv3d);
 524         }
 525         return grp;
 526 }
 527
 528 DRWShadingGroup *shgroup_instance_outline(DRWPass *pass, struct GPUBatch *geom, int *baseid)
 529 {
 530         GPUShader *sh_inst = GPU_shader_get_builtin_shader(GPU_SHADER_INSTANCE_VARIYING_ID_VARIYING_SIZE);
 531
 532         DRW_shgroup_instance_format(g_formats.instance_outline, {
 533                 {"callId",              DRW_ATTR_INT,   1},
 534                 {"size",                DRW_ATTR_FLOAT, 1},
 535                 {"InstanceModelMatrix", DRW_ATTR_FLOAT, 16},
 536         });
 537
 538         DRWShadingGroup *grp = DRW_shgroup_instance_create(sh_inst, pass, geom, g_formats.instance_outline);
 539         DRW_shgroup_uniform_int(grp, "baseId", baseid, 1);
 540
 541         return grp;
 542 }
 543
 544 DRWShadingGroup *shgroup_camera_instance(DRWPass *pass, struct GPUBatch *geom, eDRW_ShaderSlot shader_slot)
 545 {
 546         GPUShader *sh_inst = DRW_shader_get_builtin_shader(GPU_SHADER_CAMERA, shader_slot);
 547
 548         DRW_shgroup_instance_format(g_formats.instance_camera, {
 549                 {"color",               DRW_ATTR_FLOAT, 3},
 550                 {"corners",             DRW_ATTR_FLOAT, 8},
 551                 {"depth",               DRW_ATTR_FLOAT, 1},
 552                 {"tria",                DRW_ATTR_FLOAT, 4},
 553                 {"InstanceModelMatrix", DRW_ATTR_FLOAT, 16},
 554         });
 555
 556         DRWShadingGroup *grp = DRW_shgroup_instance_create(sh_inst, pass, geom, g_formats.instance_camera);
 557         if (shader_slot == DRW_SHADER_SLOT_CLIPPED) {
 558                 DRW_shgroup_world_clip_planes_from_rv3d(grp, DRW_context_state_get()->rv3d);
 559         }
 560         return grp;
 561 }
 562
 563 DRWShadingGroup *shgroup_distance_lines_instance(DRWPass *pass, struct GPUBatch *geom, eDRW_ShaderSlot shader_slot)
 564 {
 565         GPUShader *sh_inst = DRW_shader_get_builtin_shader(GPU_SHADER_DISTANCE_LINES, shader_slot);
 566         static float point_size = 4.0f;
 567
 568         DRW_shgroup_instance_format(g_formats.instance_distance_lines, {
 569                 {"color",               DRW_ATTR_FLOAT, 3},
 570                 {"start",               DRW_ATTR_FLOAT, 1},
 571                 {"end",                 DRW_ATTR_FLOAT, 1},
 572                 {"InstanceModelMatrix", DRW_ATTR_FLOAT, 16},
 573         });
 574
 575         DRWShadingGroup *grp = DRW_shgroup_instance_create(sh_inst, pass, geom, g_formats.instance_distance_lines);
 576         DRW_shgroup_uniform_float(grp, "size", &point_size, 1);
 577         if (shader_slot == DRW_SHADER_SLOT_CLIPPED) {
 578                 DRW_shgroup_world_clip_planes_from_rv3d(grp, DRW_context_state_get()->rv3d);
 579         }
 580         return grp;
 581 }
 582
 583 DRWShadingGroup *shgroup_spot_instance(DRWPass *pass, struct GPUBatch *geom, eDRW_ShaderSlot shader_slot)
 584 {
 585         GPUShader *sh_inst = DRW_shader_get_builtin_shader(GPU_SHADER_INSTANCE_EDGES_VARIYING_COLOR, shader_slot);
 586         static const int True = true;
 587         static const int False = false;
 588
 589         DRW_shgroup_instance_format(g_formats.instance_spot, {
 590                 {"color",               DRW_ATTR_FLOAT, 3},
 591                 {"InstanceModelMatrix", DRW_ATTR_FLOAT, 16},
 592         });
 593
 594         DRWShadingGroup *grp = DRW_shgroup_instance_create(sh_inst, pass, geom, g_formats.instance_spot);
 595         DRW_shgroup_uniform_bool(grp, "drawFront", &False, 1);
 596         DRW_shgroup_uniform_bool(grp, "drawBack", &False, 1);
 597         DRW_shgroup_uniform_bool(grp, "drawSilhouette", &True, 1);
 598         if (shader_slot == DRW_SHADER_SLOT_CLIPPED) {
 599                 DRW_shgroup_world_clip_planes_from_rv3d(grp, DRW_context_state_get()->rv3d);
 600         }
 601         return grp;
 602 }
 603
 604 DRWShadingGroup *shgroup_instance_bone_axes(DRWPass *pass)
 605 {
 606         COMMON_Shaders *sh_data = &g_shaders[DRW_SHADER_SLOT_DEFAULT];
 607         if (sh_data->bone_axes == NULL) {
 608                 sh_data->bone_axes = DRW_shader_create(
 609                         datatoc_armature_axes_vert_glsl, NULL,
 610                         datatoc_gpu_shader_flat_color_frag_glsl, NULL);
 611         }
 612
 613         DRW_shgroup_instance_format(g_formats.instance_color, {
 614                 {"InstanceModelMatrix", DRW_ATTR_FLOAT, 16},
 615                 {"color",               DRW_ATTR_FLOAT, 4},
 616         });
 617
 618         DRWShadingGroup *grp = DRW_shgroup_instance_create(
 619                 sh_data->bone_axes,
 620                 pass, DRW_cache_bone_arrows_get(),
 621                 g_formats.instance_color);
 622         DRW_shgroup_uniform_vec3(grp, "screenVecs[0]", DRW_viewport_screenvecs_get(), 2);
 623
 624         return grp;
 625 }
 626
 627 DRWShadingGroup *shgroup_instance_bone_envelope_outline(DRWPass *pass)
 628 {
 629         COMMON_Shaders *sh_data = &g_shaders[DRW_SHADER_SLOT_DEFAULT];
 630         if (sh_data->bone_envelope_outline == NULL) {
 631                 sh_data->bone_envelope_outline = DRW_shader_create(
 632                         datatoc_armature_envelope_outline_vert_glsl, NULL,
 633                         datatoc_gpu_shader_flat_color_frag_glsl, NULL);
 634         }
 635
 636         DRW_shgroup_instance_format(g_formats.instance_bone_envelope_outline, {
 637                 {"headSphere",           DRW_ATTR_FLOAT, 4},
 638                 {"tailSphere",           DRW_ATTR_FLOAT, 4},
 639                 {"outlineColorSize",     DRW_ATTR_FLOAT, 4},
 640                 {"xAxis",                DRW_ATTR_FLOAT, 3},
 641         });
 642
 643         DRWShadingGroup *grp = DRW_shgroup_instance_create(
 644                 sh_data->bone_envelope_outline,
 645                 pass, DRW_cache_bone_envelope_outline_get(),
 646                 g_formats.instance_bone_envelope_outline);
 647         DRW_shgroup_uniform_vec2(grp, "viewportSize", DRW_viewport_size_get(), 1);
 648
 649         return grp;
 650 }
 651
 652 DRWShadingGroup *shgroup_instance_bone_envelope_distance(DRWPass *pass)
 653 {
 654         COMMON_Shaders *sh_data = &g_shaders[DRW_SHADER_SLOT_DEFAULT];
 655         if (sh_data->bone_envelope_distance == NULL) {
 656                 sh_data->bone_envelope_distance = DRW_shader_create(
 657                         datatoc_armature_envelope_solid_vert_glsl, NULL,
 658                         datatoc_armature_envelope_distance_frag_glsl, NULL);
 659         }
 660
 661         DRW_shgroup_instance_format(g_formats.instance_bone_envelope_distance, {
 662                 {"headSphere",           DRW_ATTR_FLOAT, 4},
 663                 {"tailSphere",           DRW_ATTR_FLOAT, 4},
 664                 {"xAxis",                DRW_ATTR_FLOAT, 3},
 665         });
 666
 667         DRWShadingGroup *grp = DRW_shgroup_instance_create(
 668                 sh_data->bone_envelope_distance,
 669                 pass, DRW_cache_bone_envelope_solid_get(),
 670                 g_formats.instance_bone_envelope_distance);
 671
 672         return grp;
 673 }
 674
 675 DRWShadingGroup *shgroup_instance_bone_envelope_solid(DRWPass *pass, bool transp)
 676 {
 677         COMMON_Shaders *sh_data = &g_shaders[DRW_SHADER_SLOT_DEFAULT];
 678         if (sh_data->bone_envelope == NULL) {
 679                 sh_data->bone_envelope = DRW_shader_create(
 680                         datatoc_armature_envelope_solid_vert_glsl, NULL,
 681                         datatoc_armature_envelope_solid_frag_glsl, "#define SMOOTH_ENVELOPE\n");
 682         }
 683
 684         DRW_shgroup_instance_format(g_formats.instance_bone_envelope, {
 685                 {"headSphere",           DRW_ATTR_FLOAT, 4},
 686                 {"tailSphere",           DRW_ATTR_FLOAT, 4},
 687                 {"boneColor",            DRW_ATTR_FLOAT, 3},
 688                 {"stateColor",           DRW_ATTR_FLOAT, 3},
 689                 {"xAxis",                DRW_ATTR_FLOAT, 3},
 690         });
 691
 692         DRWShadingGroup *grp = DRW_shgroup_instance_create(
 693                 sh_data->bone_envelope,
 694                 pass, DRW_cache_bone_envelope_solid_get(),
 695                 g_formats.instance_bone_envelope);
 696         DRW_shgroup_uniform_float_copy(grp, "alpha", transp ? 0.6f : 1.0f);
 697
 698         return grp;
 699 }
 700
 701 DRWShadingGroup *shgroup_instance_mball_handles(DRWPass *pass)
 702 {
 703         COMMON_Shaders *sh_data = &g_shaders[DRW_SHADER_SLOT_DEFAULT];
 704         if (sh_data->mball_handles == NULL) {
 705                 sh_data->mball_handles = DRW_shader_create(
 706                         datatoc_object_mball_handles_vert_glsl, NULL,
 707                         datatoc_gpu_shader_flat_color_frag_glsl, NULL);
 708         }
 709
 710         DRW_shgroup_instance_format(g_formats.instance_mball_handles, {
 711                 {"ScaleTranslationMatrix",  DRW_ATTR_FLOAT, 12},
 712                 {"radius",                  DRW_ATTR_FLOAT, 1},
 713                 {"color",                   DRW_ATTR_FLOAT, 3},
 714         });
 715
 716         DRWShadingGroup *grp = DRW_shgroup_instance_create(
 717                 sh_data->mball_handles, pass,
 718                 DRW_cache_screenspace_circle_get(),
 719                 g_formats.instance_mball_handles);
 720         DRW_shgroup_uniform_vec3(grp, "screen_vecs[0]", DRW_viewport_screenvecs_get(), 2);
 721
 722         return grp;
 723 }
 724
 725 /* Only works with batches with adjacency infos. */
 726 DRWShadingGroup *shgroup_instance_bone_shape_outline(DRWPass *pass, struct GPUBatch *geom)
 727 {
 728         COMMON_Shaders *sh_data = &g_shaders[DRW_SHADER_SLOT_DEFAULT];
 729         if (sh_data->shape_outline == NULL) {
 730                 sh_data->shape_outline = DRW_shader_create(
 731                         datatoc_armature_shape_outline_vert_glsl,
 732                         datatoc_armature_shape_outline_geom_glsl,
 733                         datatoc_gpu_shader_flat_color_frag_glsl,
 734                         NULL);
 735         }
 736
 737         DRW_shgroup_instance_format(g_formats.instance_bone_outline, {
 738                 {"InstanceModelMatrix", DRW_ATTR_FLOAT, 16},
 739                 {"outlineColorSize",    DRW_ATTR_FLOAT, 4},
 740         });
 741
 742         DRWShadingGroup *grp = DRW_shgroup_instance_create(
 743                 sh_data->shape_outline,
 744                 pass, geom, g_formats.instance_bone_outline);
 745         DRW_shgroup_uniform_vec2(grp, "viewportSize", DRW_viewport_size_get(), 1);
 746
 747         return grp;
 748 }
 749
 750 DRWShadingGroup *shgroup_instance_bone_shape_solid(DRWPass *pass, struct GPUBatch *geom, bool transp)
 751 {
 752         COMMON_Shaders *sh_data = &g_shaders[DRW_SHADER_SLOT_DEFAULT];
 753         if (sh_data->shape_solid == NULL) {
 754                 sh_data->shape_solid = DRW_shader_create(
 755                         datatoc_armature_shape_solid_vert_glsl, NULL,
 756                         datatoc_armature_shape_solid_frag_glsl, NULL);
 757         }
 758
 759         DRW_shgroup_instance_format(g_formats.instance_bone, {
 760                 {"InstanceModelMatrix", DRW_ATTR_FLOAT, 16},
 761                 {"boneColor",            DRW_ATTR_FLOAT, 3},
 762                 {"stateColor",           DRW_ATTR_FLOAT, 3},
 763         });
 764
 765         DRWShadingGroup *grp = DRW_shgroup_instance_create(
 766                 sh_data->shape_solid,
 767                 pass, geom, g_formats.instance_bone);
 768         DRW_shgroup_uniform_float_copy(grp, "alpha", transp ? 0.6f : 1.0f);
 769
 770         return grp;
 771 }
 772
 773 DRWShadingGroup *shgroup_instance_bone_sphere_solid(DRWPass *pass, bool transp)
 774 {
 775         COMMON_Shaders *sh_data = &g_shaders[DRW_SHADER_SLOT_DEFAULT];
 776         if (sh_data->bone_sphere == NULL) {
 777                 sh_data->bone_sphere = DRW_shader_create(
 778                         datatoc_armature_sphere_solid_vert_glsl, NULL,
 779                         datatoc_armature_sphere_solid_frag_glsl, NULL);
 780         }
 781
 782         DRW_shgroup_instance_format(g_formats.instance_bone, {
 783                 {"InstanceModelMatrix", DRW_ATTR_FLOAT, 16},
 784                 {"boneColor",           DRW_ATTR_FLOAT, 3},
 785                 {"stateColor",          DRW_ATTR_FLOAT, 3},
 786         });
 787
 788         DRWShadingGroup *grp = DRW_shgroup_instance_create(
 789                 sh_data->bone_sphere,
 790                 pass, DRW_cache_bone_point_get(), g_formats.instance_bone);
 791         /* More transparent than the shape to be less distractive. */
 792         DRW_shgroup_uniform_float_copy(grp, "alpha", transp ? 0.4f : 1.0f);
 793
 794         return grp;
 795 }
 796
 797 DRWShadingGroup *shgroup_instance_bone_sphere_outline(DRWPass *pass)
 798 {
 799         COMMON_Shaders *sh_data = &g_shaders[DRW_SHADER_SLOT_DEFAULT];
 800         if (sh_data->bone_sphere_outline == NULL) {
 801                 sh_data->bone_sphere_outline = DRW_shader_create(
 802                         datatoc_armature_sphere_outline_vert_glsl, NULL,
 803                         datatoc_gpu_shader_flat_color_frag_glsl, NULL);
 804         }
 805
 806         DRW_shgroup_instance_format(g_formats.instance_bone_outline, {
 807                 {"InstanceModelMatrix", DRW_ATTR_FLOAT, 16},
 808                 {"outlineColorSize",    DRW_ATTR_FLOAT, 4},
 809         });
 810
 811         DRWShadingGroup *grp = DRW_shgroup_instance_create(
 812                 sh_data->bone_sphere_outline,
 813                 pass, DRW_cache_bone_point_wire_outline_get(),
 814                 g_formats.instance_bone_outline);
 815         DRW_shgroup_uniform_vec2(grp, "viewportSize", DRW_viewport_size_get(), 1);
 816
 817         return grp;
 818 }
 819
 820 DRWShadingGroup *shgroup_instance_bone_stick(DRWPass *pass)
 821 {
 822         COMMON_Shaders *sh_data = &g_shaders[DRW_SHADER_SLOT_DEFAULT];
 823         if (sh_data->bone_stick == NULL) {
 824                 sh_data->bone_stick = DRW_shader_create(
 825                         datatoc_armature_stick_vert_glsl, NULL,
 826                         datatoc_armature_stick_frag_glsl, NULL);
 827         }
 828
 829         DRW_shgroup_instance_format(g_formats.instance_bone_stick, {
 830                 {"boneStart", DRW_ATTR_FLOAT, 3},
 831                 {"boneEnd",   DRW_ATTR_FLOAT, 3},
 832                 {"wireColor", DRW_ATTR_FLOAT, 4}, /* TODO port theses to uchar color */
 833                 {"boneColor", DRW_ATTR_FLOAT, 4},
 834                 {"headColor", DRW_ATTR_FLOAT, 4},
 835                 {"tailColor", DRW_ATTR_FLOAT, 4},
 836         });
 837
 838         DRWShadingGroup *grp = DRW_shgroup_instance_create(
 839                 sh_data->bone_stick,
 840                 pass, DRW_cache_bone_stick_get(),
 841                 g_formats.instance_bone_stick);
 842         DRW_shgroup_uniform_vec2(grp, "viewportSize", DRW_viewport_size_get(), 1);
 843         DRW_shgroup_uniform_float_copy(grp, "stickSize", 5.0f * U.pixelsize);
 844
 845         return grp;
 846 }
 847
 848 struct DRWShadingGroup *shgroup_instance_bone_dof(struct DRWPass *pass, struct GPUBatch *geom)
 849 {
 850         COMMON_Shaders *sh_data = &g_shaders[DRW_SHADER_SLOT_DEFAULT];
 851         if (sh_data->bone_dofs == NULL) {
 852                 sh_data->bone_dofs = DRW_shader_create(
 853                         datatoc_armature_dof_vert_glsl, NULL,
 854                         datatoc_gpu_shader_flat_color_frag_glsl, NULL);
 855         }
 856
 857         DRW_shgroup_instance_format(g_formats.instance_bone_dof, {
 858                 {"InstanceModelMatrix", DRW_ATTR_FLOAT, 16},
 859                 {"color",               DRW_ATTR_FLOAT, 4},
 860                 {"amin",                DRW_ATTR_FLOAT, 2},
 861                 {"amax",                DRW_ATTR_FLOAT, 2},
 862         });
 863
 864         DRWShadingGroup *grp = DRW_shgroup_instance_create(
 865                 sh_data->bone_dofs,
 866                 pass, geom,
 867                 g_formats.instance_bone_dof);
 868
 869         return grp;
 870 }
 871
 872 struct GPUShader *mpath_line_shader_get(void)
 873 {
 874         COMMON_Shaders *sh_data = &g_shaders[DRW_SHADER_SLOT_DEFAULT];
 875         if (sh_data->mpath_line_sh == NULL) {
 876                 sh_data->mpath_line_sh = DRW_shader_create_with_lib(
 877                         datatoc_animviz_mpath_lines_vert_glsl,
 878                         datatoc_animviz_mpath_lines_geom_glsl,
 879                         datatoc_gpu_shader_3D_smooth_color_frag_glsl,
 880                         datatoc_common_globals_lib_glsl,
 881                         NULL);
 882         }
 883         return sh_data->mpath_line_sh;
 884 }
 885
 886
 887 struct GPUShader *mpath_points_shader_get(void)
 888 {
 889         COMMON_Shaders *sh_data = &g_shaders[DRW_SHADER_SLOT_DEFAULT];
 890         if (sh_data->mpath_points_sh == NULL) {
 891                 sh_data->mpath_points_sh = DRW_shader_create_with_lib(
 892                         datatoc_animviz_mpath_points_vert_glsl,
 893                         NULL,
 894                         datatoc_gpu_shader_point_varying_color_frag_glsl,
 895                         datatoc_common_globals_lib_glsl,
 896                         NULL);
 897         }
 898         return sh_data->mpath_points_sh;
 899 }
 900
 901 struct GPUShader *volume_velocity_shader_get(bool use_needle)
 902 {
 903         COMMON_Shaders *sh_data = &g_shaders[DRW_SHADER_SLOT_DEFAULT];
 904         if (use_needle) {
 905                 if (sh_data->volume_velocity_needle_sh == NULL) {
 906                         sh_data->volume_velocity_needle_sh = DRW_shader_create(
 907                                 datatoc_volume_velocity_vert_glsl, NULL,
 908                                 datatoc_gpu_shader_flat_color_frag_glsl, "#define USE_NEEDLE");
 909                 }
 910                 return sh_data->volume_velocity_needle_sh;
 911         }
 912         else {
 913                 if (sh_data->volume_velocity_sh == NULL) {
 914                         sh_data->volume_velocity_sh = DRW_shader_create(
 915                                 datatoc_volume_velocity_vert_glsl, NULL,
 916                                 datatoc_gpu_shader_flat_color_frag_glsl, NULL);
 917                 }
 918                 return sh_data->volume_velocity_sh;
 919         }
 920 }
 921
 922 /* ******************************************** COLOR UTILS *********************************************** */
 923
 924 /* TODO FINISH */
 925 /**
 926  * Get the wire color theme_id of an object based on it's state
 927  * \a r_color is a way to get a pointer to the static color var associated
 928  */
 929 int DRW_object_wire_theme_get(Object *ob, ViewLayer *view_layer, float **r_color)
 930 {
 931         const DRWContextState *draw_ctx = DRW_context_state_get();
 932         const bool is_edit = (draw_ctx->object_mode & OB_MODE_EDIT) && (ob->mode & OB_MODE_EDIT);
 933         const bool active = (view_layer->basact && view_layer->basact->object == ob);
 934         /* confusing logic here, there are 2 methods of setting the color
 935          * 'colortab[colindex]' and 'theme_id', colindex overrides theme_id.
 936          *
 937          * note: no theme yet for 'colindex' */
 938         int theme_id = is_edit ? TH_WIRE_EDIT : TH_WIRE;
 939
 940         if (is_edit) {
 941                 /* fallback to TH_WIRE */
 942         }
 943         else if (((G.moving & G_TRANSFORM_OBJ) != 0) &&
 944                  ((ob->base_flag & BASE_SELECTED) != 0))
 945         {
 946                 theme_id = TH_TRANSFORM;
 947         }
 948         else {
 949                 /* Sets the 'theme_id' or fallback to wire */
 950                 if ((ob->base_flag & BASE_SELECTED) != 0) {
 951                         theme_id = (active) ? TH_ACTIVE : TH_SELECT;
 952                 }
 953                 else {
 954                         if (ob->type == OB_LAMP) theme_id = TH_LAMP;
 955                         else if (ob->type == OB_SPEAKER) theme_id = TH_SPEAKER;
 956                         else if (ob->type == OB_CAMERA) theme_id = TH_CAMERA;
 957                         else if (ob->type == OB_EMPTY) theme_id = TH_EMPTY;
 958                         else if (ob->type == OB_LIGHTPROBE) theme_id = TH_EMPTY; /* TODO add lightprobe color */
 959                         /* fallback to TH_WIRE */
 960                 }
 961         }
 962
 963         if (r_color != NULL) {
 964                 if (UNLIKELY(ob->base_flag & BASE_FROM_SET)) {
 965                         *r_color = G_draw.block.colorDupli;
 966                 }
 967                 else if (UNLIKELY(ob->base_flag & BASE_FROM_DUPLI)) {
 968                         switch (theme_id) {
 969                                 case TH_ACTIVE:
 970                                 case TH_SELECT:       *r_color = G_draw.block.colorDupliSelect; break;
 971                                 case TH_TRANSFORM:    *r_color = G_draw.block.colorTransform; break;
 972                                 default:              *r_color = G_draw.block.colorDupli; break;
 973                         }
 974                 }
 975                 else {
 976                         switch (theme_id) {
 977                                 case TH_WIRE_EDIT:    *r_color = G_draw.block.colorWireEdit; break;
 978                                 case TH_ACTIVE:       *r_color = G_draw.block.colorActive; break;
 979                                 case TH_SELECT:       *r_color = G_draw.block.colorSelect; break;
 980                                 case TH_TRANSFORM:    *r_color = G_draw.block.colorTransform; break;
 981                                 case TH_SPEAKER:      *r_color = G_draw.block.colorSpeaker; break;
 982                                 case TH_CAMERA:       *r_color = G_draw.block.colorCamera; break;
 983                                 case TH_EMPTY:        *r_color = G_draw.block.colorEmpty; break;
 984                                 case TH_LAMP:         *r_color = G_draw.block.colorLamp; break;
 985                                 default:              *r_color = G_draw.block.colorWire; break;
 986                         }
 987                 }
 988         }
 989
 990         return theme_id;
 991 }
 992
 993 /* XXX This is very stupid, better find something more general. */
 994 float *DRW_color_background_blend_get(int theme_id)
 995 {
 996         static float colors[11][4];
 997         float *ret;
 998
 999         switch (theme_id) {
1000                 case TH_WIRE_EDIT:    ret = colors[0]; break;
1001                 case TH_ACTIVE:       ret = colors[1]; break;
1002                 case TH_SELECT:       ret = colors[2]; break;
1003                 case TH_TRANSFORM:    ret = colors[5]; break;
1004                 case TH_SPEAKER:      ret = colors[6]; break;
1005                 case TH_CAMERA:       ret = colors[7]; break;
1006                 case TH_EMPTY:        ret = colors[8]; break;
1007                 case TH_LAMP:         ret = colors[9]; break;
1008                 default:              ret = colors[10]; break;
1009         }
1010
1011         UI_GetThemeColorBlendShade4fv(theme_id, TH_BACK, 0.5, 0, ret);
1012
1013         return ret;
1014 }
1015
1016
1017 bool DRW_object_is_flat(Object *ob, int *axis)
1018 {
1019         float dim[3];
1020
1021         if (!ELEM(ob->type, OB_MESH, OB_CURVE, OB_SURF, OB_FONT, OB_MBALL)) {
1022                 /* Non-meshes object cannot be considered as flat. */
1023                 return false;
1024         }
1025
1026         BKE_object_dimensions_get(ob, dim);
1027         if (dim[0] == 0.0f) {
1028                 *axis = 0;
1029                 return true;
1030         }
1031         else if (dim[1] == 0.0f) {
1032                 *axis = 1;
1033                 return true;
1034         }
1035         else if (dim[2] == 0.0f) {
1036                 *axis = 2;
1037                 return true;
1038         }
1039         return false;
1040 }
1041
1042 bool DRW_object_axis_orthogonal_to_view(Object *ob, int axis)
1043 {
1044         float ob_rot[3][3], invviewmat[4][4];
1045         DRW_viewport_matrix_get(invviewmat, DRW_MAT_VIEWINV);
1046         BKE_object_rot_to_mat3(ob, ob_rot, true);
1047         float dot = dot_v3v3(ob_rot[axis], invviewmat[2]);
1048         if (fabsf(dot) < 1e-3) {
1049                 return true;
1050         }
1051
1052         return false;
1053 }
1054
1055 static void DRW_evaluate_weight_to_color(const float weight, float result[4])
1056 {
1057         if (U.flag & USER_CUSTOM_RANGE) {
1058                 BKE_colorband_evaluate(&U.coba_weight, weight, result);
1059         }
1060         else {
1061                 /* Use gamma correction to even out the color bands:
1062                  * increasing widens yellow/cyan vs red/green/blue.
1063                  * Gamma 1.0 produces the original 2.79 color ramp. */
1064                 const float gamma = 1.5f;
1065                 float hsv[3] = {(2.0f / 3.0f) * (1.0f - weight), 1.0f, pow(0.5f + 0.5f * weight, gamma)};
1066
1067                 hsv_to_rgb_v(hsv, result);
1068
1069                 for (int i = 0; i < 3; i++) {
1070                         result[i] = pow(result[i], 1.0f / gamma);
1071                 }
1072         }
1073 }
1074
1075 static GPUTexture *DRW_create_weight_colorramp_texture(void)
1076 {
1077         char error[256];
1078         float pixels[256][4];
1079         for (int i = 0 ; i < 256 ; i ++) {
1080                 DRW_evaluate_weight_to_color(i / 255.0f, pixels[i]);
1081                 pixels[i][3] = 1.0f;
1082         }
1083
1084         return GPU_texture_create_1D(256, GPU_RGBA8, pixels[0], error);
1085 }