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DRW: de-duplicate vertex & weight paint engines 

These were almost exact duplicates, use one engine for drawing both
kinds of vertex color.
This commit is contained in:
Campbell Barton 2019-02-14 13:59:30 +11:00
parent 9478ac701b
commit caa8e7ff28
Notes: blender-bot 2023-02-14 03:43:31 +01:00 
Referenced by issue #61532, Knife Tool: incorrect interaction with Array modifier when the Merge "First Last" option is set
5 changed files with 106 additions and 345 deletions
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1
source/blender/draw/CMakeLists.txt
View File

@ -80,7 +80,6 @@ set(SRC
modes/overlay_mode.c
modes/paint_texture_mode.c
modes/paint_vertex_mode.c
modes/paint_weight_mode.c
modes/particle_mode.c
modes/pose_mode.c
modes/sculpt_mode.c

3
source/blender/draw/intern/draw_manager.c
View File

@ -1218,8 +1218,6 @@ static void drw_engines_enable_from_paint_mode(int mode)
use_drw_engine(&draw_engine_sculpt_type);
break;
case CTX_MODE_PAINT_WEIGHT:
use_drw_engine(&draw_engine_paint_weight_type);
break;
case CTX_MODE_PAINT_VERTEX:
use_drw_engine(&draw_engine_paint_vertex_type);
break;
@ -2541,7 +2539,6 @@ void DRW_engines_register(void)
DRW_engine_register(&draw_engine_overlay_type);
DRW_engine_register(&draw_engine_paint_texture_type);
DRW_engine_register(&draw_engine_paint_vertex_type);
DRW_engine_register(&draw_engine_paint_weight_type);
DRW_engine_register(&draw_engine_particle_type);
DRW_engine_register(&draw_engine_pose_type);
DRW_engine_register(&draw_engine_sculpt_type);

1
source/blender/draw/modes/draw_mode_engines.h
View File

@ -32,7 +32,6 @@ extern DrawEngineType draw_engine_edit_text_type;
extern DrawEngineType draw_engine_motion_path_type;
extern DrawEngineType draw_engine_paint_texture_type;
extern DrawEngineType draw_engine_paint_vertex_type;
extern DrawEngineType draw_engine_paint_weight_type;
extern DrawEngineType draw_engine_particle_type;
extern DrawEngineType draw_engine_pose_type;
extern DrawEngineType draw_engine_sculpt_type;

154
source/blender/draw/modes/paint_vertex_mode.c
View File

@ -26,17 +26,18 @@
#include "draw_common.h"
#include "DNA_mesh_types.h"
#include "DNA_view3d_types.h"
#include "DEG_depsgraph_query.h"
extern char datatoc_paint_face_vert_glsl[];
extern char datatoc_paint_weight_vert_glsl[];
extern char datatoc_paint_weight_frag_glsl[];
extern char datatoc_paint_vertex_vert_glsl[];
extern char datatoc_paint_vertex_frag_glsl[];
extern char datatoc_paint_wire_vert_glsl[];
extern char datatoc_paint_wire_frag_glsl[];
extern char datatoc_paint_face_vert_glsl[];
extern char datatoc_paint_vert_frag_glsl[];
extern char datatoc_common_globals_lib_glsl[];
@ -44,8 +45,16 @@ extern char datatoc_gpu_shader_uniform_color_frag_glsl[];
/* *********** LISTS *********** */
enum {
VERTEX_MODE = 0,
WEIGHT_MODE = 1,
};
#define MODE_LEN (WEIGHT_MODE + 1)
typedef struct PAINT_VERTEX_PassList {
struct DRWPass *vcolor_faces;
struct {
struct DRWPass *color_faces;
} by_mode[MODE_LEN];
struct DRWPass *wire_overlay;
struct DRWPass *wire_select_overlay;
struct DRWPass *face_select_overlay;
@ -65,9 +74,11 @@ typedef struct PAINT_VERTEX_Data {
} PAINT_VERTEX_Data;
typedef struct PAINT_VERTEX_Shaders {
struct GPUShader *vcolor_face;
struct GPUShader *wire_overlay;
struct GPUShader *wire_select_overlay;
struct {
struct GPUShader *color_face;
struct GPUShader *wire_overlay;
struct GPUShader *wire_select_overlay;
} by_mode[MODE_LEN];
struct GPUShader *face_select_overlay;
struct GPUShader *vert_select_overlay;
} PAINT_VERTEX_Shaders;
@ -76,12 +87,14 @@ typedef struct PAINT_VERTEX_Shaders {
static struct {
PAINT_VERTEX_Shaders sh_data[GPU_SHADER_CFG_LEN];
} e_data = {{{NULL}}}; /* Engine data */
} e_data = {{{{{NULL}}}}}; /* Engine data */
typedef struct PAINT_VERTEX_PrivateData {
DRWShadingGroup *fvcolor_shgrp;
DRWShadingGroup *lwire_shgrp;
DRWShadingGroup *lwire_select_shgrp;
struct {
DRWShadingGroup *color_shgrp;
DRWShadingGroup *lwire_shgrp;
DRWShadingGroup *lwire_select_shgrp;
} by_mode[MODE_LEN];
DRWShadingGroup *face_select_shgrp;
DRWShadingGroup *vert_select_shgrp;
} PAINT_VERTEX_PrivateData; /* Transient data */
@ -98,23 +111,18 @@ static void PAINT_VERTEX_engine_init(void *UNUSED(vedata))
}
const GPUShaderConfigData *sh_cfg_data = &GPU_shader_cfg_data[draw_ctx->sh_cfg];
if (!sh_data->vcolor_face) {
sh_data->vcolor_face = GPU_shader_create_from_arrays({
if (!sh_data->face_select_overlay) {
sh_data->by_mode[VERTEX_MODE].color_face = GPU_shader_create_from_arrays({
.vert = (const char *[]){sh_cfg_data->lib, datatoc_paint_vertex_vert_glsl, NULL},
.frag = (const char *[]){datatoc_paint_vertex_frag_glsl, NULL},
.defs = (const char *[]){sh_cfg_data->def, NULL},
});
sh_data->wire_overlay = GPU_shader_create_from_arrays({
.vert = (const char *[]){sh_cfg_data->lib, datatoc_common_globals_lib_glsl, datatoc_paint_wire_vert_glsl, NULL},
.frag = (const char *[]){datatoc_paint_wire_frag_glsl, NULL},
.defs = (const char *[]){sh_cfg_data->def, "#define VERTEX_MODE\n", NULL},
});
sh_data->wire_select_overlay = GPU_shader_create_from_arrays({
.vert = (const char *[]){sh_cfg_data->lib, datatoc_common_globals_lib_glsl, datatoc_paint_wire_vert_glsl, NULL},
.frag = (const char *[]){datatoc_paint_wire_frag_glsl, NULL},
.defs = (const char *[]){sh_cfg_data->def, "#define VERTEX_MODE\n" "#define USE_SELECT\n", NULL},
sh_data->by_mode[WEIGHT_MODE].color_face = GPU_shader_create_from_arrays({
.vert = (const char *[]){sh_cfg_data->lib, datatoc_common_globals_lib_glsl, datatoc_paint_weight_vert_glsl, NULL},
.frag = (const char *[]){datatoc_common_globals_lib_glsl, datatoc_paint_weight_frag_glsl, NULL},
.defs = (const char *[]){sh_cfg_data->def, NULL},
});
sh_data->face_select_overlay = GPU_shader_create_from_arrays({
.vert = (const char *[]){sh_cfg_data->lib, datatoc_paint_face_vert_glsl, NULL},
.frag = (const char *[]){datatoc_gpu_shader_uniform_color_frag_glsl, NULL},
@ -125,6 +133,23 @@ static void PAINT_VERTEX_engine_init(void *UNUSED(vedata))
.frag = (const char *[]){datatoc_paint_vert_frag_glsl, NULL},
.defs = (const char *[]){sh_cfg_data->def, "#define USE_SELECT\n", NULL},
});
const char *mode_defs[MODE_LEN] = {
"#define VERTEX_MODE\n",
"#define WEIGHT_MODE\n",
};
for (int i = 0; i < MODE_LEN; i++) {
sh_data->by_mode[i].wire_overlay = GPU_shader_create_from_arrays({
.vert = (const char *[]){sh_cfg_data->lib, datatoc_common_globals_lib_glsl, datatoc_paint_wire_vert_glsl, NULL},
.frag = (const char *[]){datatoc_paint_wire_frag_glsl, NULL},
.defs = (const char *[]){sh_cfg_data->def, mode_defs[i], NULL},
});
sh_data->by_mode[i].wire_select_overlay = GPU_shader_create_from_arrays({
.vert = (const char *[]){sh_cfg_data->lib, datatoc_common_globals_lib_glsl, datatoc_paint_wire_vert_glsl, NULL},
.frag = (const char *[]){datatoc_paint_wire_frag_glsl, NULL},
.defs = (const char *[]){sh_cfg_data->def, mode_defs[i], "#define USE_SELECT\n", NULL},
});
}
}
}
@ -142,52 +167,74 @@ static void PAINT_VERTEX_cache_init(void *vedata)
stl->g_data = MEM_mallocN(sizeof(*stl->g_data), __func__);
}
/* Vertex color pass */
{
/* Create a pass */
DRWPass *pass = DRW_pass_create(
"Vert Color Pass",
DRW_STATE_WRITE_COLOR | DRW_STATE_DEPTH_EQUAL | DRW_STATE_MULTIPLY);
DRWShadingGroup *shgrp = DRW_shgroup_create(sh_data->vcolor_face, pass);
DRWShadingGroup *shgrp = DRW_shgroup_create(sh_data->by_mode[VERTEX_MODE].color_face, pass);
DRW_shgroup_uniform_float_copy(shgrp, "white_factor", 1.0f - v3d->overlay.vertex_paint_mode_opacity);
if (rv3d->rflag & RV3D_CLIPPING) {
DRW_shgroup_world_clip_planes_from_rv3d(shgrp, rv3d);
}
psl->vcolor_faces = pass;
stl->g_data->fvcolor_shgrp = shgrp;
psl->by_mode[VERTEX_MODE].color_faces = pass;
stl->g_data->by_mode[VERTEX_MODE].color_shgrp = shgrp;
}
/* Weight color pass */
{
DRWPass *pass = DRW_pass_create(
"Weight Pass",
DRW_STATE_WRITE_COLOR | DRW_STATE_DEPTH_EQUAL | DRW_STATE_MULTIPLY);
DRWShadingGroup *shgrp = DRW_shgroup_create(sh_data->by_mode[WEIGHT_MODE].color_face, pass);
DRW_shgroup_uniform_bool_copy(shgrp, "drawContours", (v3d->overlay.wpaint_flag & V3D_OVERLAY_WPAINT_CONTOURS) != 0);
DRW_shgroup_uniform_float(shgrp, "opacity", &v3d->overlay.weight_paint_mode_opacity, 1);
DRW_shgroup_uniform_texture(shgrp, "colorramp", G_draw.weight_ramp);
DRW_shgroup_uniform_block(shgrp, "globalsBlock", G_draw.block_ubo);
if (rv3d->rflag & RV3D_CLIPPING) {
DRW_shgroup_world_clip_planes_from_rv3d(shgrp, rv3d);
}
psl->by_mode[WEIGHT_MODE].color_faces = pass;
stl->g_data->by_mode[WEIGHT_MODE].color_shgrp = shgrp;
}
{
DRWPass *pass = DRW_pass_create(
"Wire Pass",
DRW_STATE_WRITE_COLOR | DRW_STATE_WRITE_DEPTH | DRW_STATE_DEPTH_LESS_EQUAL | DRW_STATE_OFFSET_NEGATIVE);
DRWShadingGroup *shgrp = DRW_shgroup_create(sh_data->wire_overlay, pass);
DRW_shgroup_uniform_block(shgrp, "globalsBlock", G_draw.block_ubo);
if (rv3d->rflag & RV3D_CLIPPING) {
DRW_shgroup_world_clip_planes_from_rv3d(shgrp, rv3d);
for (int i = 0; i < MODE_LEN; i++) {
DRWShadingGroup *shgrp = DRW_shgroup_create(sh_data->by_mode[i].wire_overlay, pass);
DRW_shgroup_uniform_block(shgrp, "globalsBlock", G_draw.block_ubo);
if (rv3d->rflag & RV3D_CLIPPING) {
DRW_shgroup_world_clip_planes_from_rv3d(shgrp, rv3d);
}
stl->g_data->by_mode[i].lwire_shgrp = shgrp;
}
psl->wire_overlay = pass;
stl->g_data->lwire_shgrp = shgrp;
}
{
DRWPass *pass = DRW_pass_create(
"Wire Mask Pass",
DRW_STATE_WRITE_COLOR | DRW_STATE_WRITE_DEPTH | DRW_STATE_DEPTH_LESS_EQUAL | DRW_STATE_OFFSET_NEGATIVE);
DRWShadingGroup *shgrp = DRW_shgroup_create(sh_data->wire_select_overlay, pass);
DRW_shgroup_uniform_block(shgrp, "globalsBlock", G_draw.block_ubo);
if (rv3d->rflag & RV3D_CLIPPING) {
DRW_shgroup_world_clip_planes_from_rv3d(shgrp, rv3d);
for (int i = 0; i < MODE_LEN; i++) {
DRWShadingGroup *shgrp = DRW_shgroup_create(sh_data->by_mode[i].wire_select_overlay, pass);
DRW_shgroup_uniform_block(shgrp, "globalsBlock", G_draw.block_ubo);
if (rv3d->rflag & RV3D_CLIPPING) {
DRW_shgroup_world_clip_planes_from_rv3d(shgrp, rv3d);
}
stl->g_data->by_mode[i].lwire_select_shgrp = shgrp;
}
psl->wire_select_overlay = pass;
stl->g_data->lwire_select_shgrp = shgrp;
}
{
static float col[4] = {1.0f, 1.0f, 1.0f, 0.2f};
DRWPass *pass = DRW_pass_create(
"Face Mask Pass",
DRW_STATE_WRITE_COLOR | DRW_STATE_WRITE_DEPTH | DRW_STATE_DEPTH_LESS_EQUAL | DRW_STATE_BLEND);
DRWShadingGroup *shgrp = DRW_shgroup_create(sh_data->face_select_overlay, pass);
static float col[4] = {1.0f, 1.0f, 1.0f, 0.2f};
DRW_shgroup_uniform_vec4(shgrp, "color", col, 1);
if (rv3d->rflag & RV3D_CLIPPING) {
DRW_shgroup_world_clip_planes_from_rv3d(shgrp, rv3d);
@ -217,25 +264,35 @@ static void PAINT_VERTEX_cache_populate(void *vedata, Object *ob)
const View3D *v3d = draw_ctx->v3d;
if ((ob->type == OB_MESH) && (ob == draw_ctx->obact)) {
const int draw_mode = (ob->mode == OB_MODE_VERTEX_PAINT) ? VERTEX_MODE : WEIGHT_MODE;
const Mesh *me = ob->data;
const Mesh *me_orig = DEG_get_original_object(ob)->data;
const bool use_wire = (v3d->overlay.paint_flag & V3D_OVERLAY_PAINT_WIRE) != 0;
const bool use_surface = v3d->overlay.vertex_paint_mode_opacity != 0.0f;
const bool use_face_sel = (me_orig->editflag & ME_EDIT_PAINT_FACE_SEL) != 0;
const bool use_vert_sel = (me_orig->editflag & ME_EDIT_PAINT_VERT_SEL) != 0;
struct GPUBatch *geom;
if (me->mloopcol == NULL) {
return;
struct GPUBatch *geom = NULL;
if (draw_mode == VERTEX_MODE) {
if (me->mloopcol == NULL) {
return;
}
if (v3d->overlay.vertex_paint_mode_opacity != 0.0f) {
geom = DRW_cache_mesh_surface_vertpaint_get(ob);
}
}
if (use_surface) {
geom = DRW_cache_mesh_surface_vertpaint_get(ob);
DRW_shgroup_call_add(stl->g_data->fvcolor_shgrp, geom, ob->obmat);
else {
if (v3d->overlay.weight_paint_mode_opacity != 0.0f) {
geom = DRW_cache_mesh_surface_weights_get(ob);
}
}
if (geom != NULL) {
DRW_shgroup_call_add(stl->g_data->by_mode[draw_mode].color_shgrp, geom, ob->obmat);
}
if (use_face_sel || use_wire) {
DRWShadingGroup *shgrp = use_face_sel ? stl->g_data->lwire_select_shgrp : stl->g_data->lwire_shgrp;
DRWShadingGroup *shgrp = use_face_sel ?
stl->g_data->by_mode[draw_mode].lwire_select_shgrp :
stl->g_data->by_mode[draw_mode].lwire_shgrp;
geom = DRW_cache_mesh_surface_edges_get(ob);
DRW_shgroup_call_add(shgrp, geom, ob->obmat);
}
@ -255,8 +312,9 @@ static void PAINT_VERTEX_cache_populate(void *vedata, Object *ob)
static void PAINT_VERTEX_draw_scene(void *vedata)
{
PAINT_VERTEX_PassList *psl = ((PAINT_VERTEX_Data *)vedata)->psl;
DRW_draw_pass(psl->vcolor_faces);
for (int i = 0; i < MODE_LEN; i++) {
DRW_draw_pass(psl->by_mode[i].color_faces);
}
DRW_draw_pass(psl->wire_overlay);
DRW_draw_pass(psl->wire_select_overlay);
DRW_draw_pass(psl->vert_select_overlay);

292
source/blender/draw/modes/paint_weight_mode.c
View File

@ -1,292 +0,0 @@
/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Copyright 2016, Blender Foundation.
*/
/** \file \ingroup draw
*/
#include "DRW_render.h"
/* If builtin shaders are needed */
#include "GPU_shader.h"
#include "draw_common.h"
#include "DNA_mesh_types.h"
#include "DNA_view3d_types.h"
#include "DEG_depsgraph_query.h"
extern char datatoc_paint_face_vert_glsl[];
extern char datatoc_paint_weight_vert_glsl[];
extern char datatoc_paint_weight_frag_glsl[];
extern char datatoc_paint_wire_vert_glsl[];
extern char datatoc_paint_wire_frag_glsl[];
extern char datatoc_paint_vert_frag_glsl[];
extern char datatoc_common_globals_lib_glsl[];
extern char datatoc_gpu_shader_uniform_color_frag_glsl[];
/* *********** LISTS *********** */
typedef struct PAINT_WEIGHT_PassList {
struct DRWPass *weight_faces;
struct DRWPass *wire_overlay;
struct DRWPass *wire_select_overlay;
struct DRWPass *face_select_overlay;
struct DRWPass *vert_select_overlay;
} PAINT_WEIGHT_PassList;
typedef struct PAINT_WEIGHT_StorageList {
struct PAINT_WEIGHT_PrivateData *g_data;
} PAINT_WEIGHT_StorageList;
typedef struct PAINT_WEIGHT_Data {
void *engine_type;
DRWViewportEmptyList *fbl;
DRWViewportEmptyList *txl;
PAINT_WEIGHT_PassList *psl;
PAINT_WEIGHT_StorageList *stl;
} PAINT_WEIGHT_Data;
typedef struct PAINT_WEIGHT_Shaders {
struct GPUShader *weight_face;
struct GPUShader *wire_overlay;
struct GPUShader *wire_select_overlay;
struct GPUShader *face_select_overlay;
struct GPUShader *vert_select_overlay;
} PAINT_WEIGHT_Shaders;
/* *********** STATIC *********** */
static struct {
PAINT_WEIGHT_Shaders sh_data[GPU_SHADER_CFG_LEN];
int actdef;
} e_data = {NULL}; /* Engine data */
typedef struct PAINT_WEIGHT_PrivateData {
DRWShadingGroup *fweights_shgrp;
DRWShadingGroup *lwire_shgrp;
DRWShadingGroup *lwire_select_shgrp;
DRWShadingGroup *face_shgrp;
DRWShadingGroup *vert_select_shgrp;
} PAINT_WEIGHT_PrivateData;
/* *********** FUNCTIONS *********** */
static void PAINT_WEIGHT_engine_init(void *UNUSED(vedata))
{
const DRWContextState *draw_ctx = DRW_context_state_get();
PAINT_WEIGHT_Shaders *sh_data = &e_data.sh_data[draw_ctx->sh_cfg];
const GPUShaderConfigData *sh_cfg_data = &GPU_shader_cfg_data[draw_ctx->sh_cfg];
if (draw_ctx->sh_cfg == GPU_SHADER_CFG_CLIPPED) {
DRW_state_clip_planes_set_from_rv3d(draw_ctx->rv3d);
}
if (!sh_data->weight_face) {
sh_data->weight_face = GPU_shader_create_from_arrays({
.vert = (const char *[]){sh_cfg_data->lib, datatoc_common_globals_lib_glsl, datatoc_paint_weight_vert_glsl, NULL},
.frag = (const char *[]){datatoc_common_globals_lib_glsl, datatoc_paint_weight_frag_glsl, NULL},
.defs = (const char *[]){sh_cfg_data->def, NULL},
});
sh_data->wire_overlay = GPU_shader_create_from_arrays({
.vert = (const char *[]){sh_cfg_data->lib, datatoc_common_globals_lib_glsl, datatoc_paint_wire_vert_glsl, NULL},
.frag = (const char *[]){datatoc_paint_wire_frag_glsl, NULL},
.defs = (const char *[]){sh_cfg_data->def, "#define WEIGHT_MODE\n", NULL},
});
sh_data->wire_select_overlay = GPU_shader_create_from_arrays({
.vert = (const char *[]){sh_cfg_data->lib, datatoc_common_globals_lib_glsl, datatoc_paint_wire_vert_glsl, NULL},
.frag = (const char *[]){datatoc_paint_wire_frag_glsl, NULL},
.defs = (const char *[]){sh_cfg_data->def, "#define WEIGHT_MODE\n" "#define USE_SELECT\n", NULL},
});
sh_data->face_select_overlay = GPU_shader_create_from_arrays({
.vert = (const char *[]){sh_cfg_data->lib, datatoc_paint_face_vert_glsl, NULL},
.frag = (const char *[]){datatoc_gpu_shader_uniform_color_frag_glsl, NULL},
.defs = (const char *[]){sh_cfg_data->def, NULL},
});
sh_data->vert_select_overlay = GPU_shader_create_from_arrays({
.vert = (const char *[]){sh_cfg_data->lib, datatoc_common_globals_lib_glsl, datatoc_paint_wire_vert_glsl, NULL},
.frag = (const char *[]){datatoc_common_globals_lib_glsl, datatoc_paint_vert_frag_glsl, NULL},
.defs = (const char *[]){sh_cfg_data->def, "#define USE_SELECT\n", NULL},
});
}
}
static void PAINT_WEIGHT_cache_init(void *vedata)
{
PAINT_WEIGHT_PassList *psl = ((PAINT_WEIGHT_Data *)vedata)->psl;
PAINT_WEIGHT_StorageList *stl = ((PAINT_WEIGHT_Data *)vedata)->stl;
const DRWContextState *draw_ctx = DRW_context_state_get();
const View3D *v3d = draw_ctx->v3d;
RegionView3D *rv3d = draw_ctx->rv3d;
PAINT_WEIGHT_Shaders *sh_data = &e_data.sh_data[draw_ctx->sh_cfg];
if (!stl->g_data) {
/* Alloc transient pointers */
stl->g_data = MEM_mallocN(sizeof(*stl->g_data), __func__);
}
{
/* Create a pass */
DRWPass *pass = DRW_pass_create(
"Weight Pass",
DRW_STATE_WRITE_COLOR | DRW_STATE_DEPTH_EQUAL | DRW_STATE_MULTIPLY);
DRWShadingGroup *shgrp = DRW_shgroup_create(sh_data->weight_face, pass);
DRW_shgroup_uniform_bool_copy(shgrp, "drawContours", (v3d->overlay.wpaint_flag & V3D_OVERLAY_WPAINT_CONTOURS) != 0);
DRW_shgroup_uniform_float(shgrp, "opacity", &v3d->overlay.weight_paint_mode_opacity, 1);
DRW_shgroup_uniform_texture(shgrp, "colorramp", G_draw.weight_ramp);
DRW_shgroup_uniform_block(shgrp, "globalsBlock", G_draw.block_ubo);
if (rv3d->rflag & RV3D_CLIPPING) {
DRW_shgroup_world_clip_planes_from_rv3d(shgrp, rv3d);
}
psl->weight_faces = pass;
stl->g_data->fweights_shgrp = shgrp;
}
{
DRWPass *pass = DRW_pass_create(
"Wire Pass",
DRW_STATE_WRITE_COLOR | DRW_STATE_WRITE_DEPTH | DRW_STATE_DEPTH_LESS_EQUAL | DRW_STATE_OFFSET_NEGATIVE);
DRWShadingGroup *shgrp = DRW_shgroup_create(sh_data->wire_overlay, pass);
DRW_shgroup_uniform_block(shgrp, "globalsBlock", G_draw.block_ubo);
if (rv3d->rflag & RV3D_CLIPPING) {
DRW_shgroup_world_clip_planes_from_rv3d(shgrp, rv3d);
}
psl->wire_overlay = pass;
stl->g_data->lwire_shgrp = shgrp;
}
{
DRWPass *pass = DRW_pass_create(
"Wire Mask Pass",
DRW_STATE_WRITE_COLOR | DRW_STATE_WRITE_DEPTH | DRW_STATE_DEPTH_LESS_EQUAL | DRW_STATE_OFFSET_NEGATIVE);
DRWShadingGroup *shgrp = DRW_shgroup_create(sh_data->wire_select_overlay, pass);
DRW_shgroup_uniform_block(shgrp, "globalsBlock", G_draw.block_ubo);
if (rv3d->rflag & RV3D_CLIPPING) {
DRW_shgroup_world_clip_planes_from_rv3d(shgrp, rv3d);
}
psl->wire_select_overlay = pass;
stl->g_data->lwire_select_shgrp = shgrp;
}
{
static float col[4] = {1.0f, 1.0f, 1.0f, 0.2f};
DRWPass *pass = DRW_pass_create(
"Face Mask Pass",
DRW_STATE_WRITE_COLOR | DRW_STATE_WRITE_DEPTH | DRW_STATE_DEPTH_LESS_EQUAL | DRW_STATE_BLEND);
DRWShadingGroup *shgrp = DRW_shgroup_create(sh_data->face_select_overlay, pass);
DRW_shgroup_uniform_vec4(shgrp, "color", col, 1);
if (rv3d->rflag & RV3D_CLIPPING) {
DRW_shgroup_world_clip_planes_from_rv3d(shgrp, rv3d);
}
psl->face_select_overlay = pass;
stl->g_data->face_shgrp = shgrp;
}
{
DRWPass *pass = DRW_pass_create(
"Vert Mask Pass",
DRW_STATE_WRITE_COLOR | DRW_STATE_WRITE_DEPTH | DRW_STATE_DEPTH_LESS_EQUAL | DRW_STATE_OFFSET_NEGATIVE);
DRWShadingGroup *shgrp = DRW_shgroup_create(sh_data->vert_select_overlay, pass);
DRW_shgroup_uniform_block(shgrp, "globalsBlock", G_draw.block_ubo);
if (rv3d->rflag & RV3D_CLIPPING) {
DRW_shgroup_world_clip_planes_from_rv3d(shgrp, rv3d);
}
psl->vert_select_overlay = pass;
stl->g_data->vert_select_shgrp = shgrp;
}
}
static void PAINT_WEIGHT_cache_populate(void *vedata, Object *ob)
{
PAINT_WEIGHT_StorageList *stl = ((PAINT_WEIGHT_Data *)vedata)->stl;
const DRWContextState *draw_ctx = DRW_context_state_get();
const View3D *v3d = draw_ctx->v3d;
if ((ob->type == OB_MESH) && (ob == draw_ctx->obact)) {
const Mesh *me_orig = DEG_get_original_object(ob)->data;
const bool use_wire = (v3d->overlay.paint_flag & V3D_OVERLAY_PAINT_WIRE) != 0;
const bool use_surface = v3d->overlay.weight_paint_mode_opacity != 0.0f;
const bool use_face_sel = (me_orig->editflag & ME_EDIT_PAINT_FACE_SEL) != 0;
const bool use_vert_sel = (me_orig->editflag & ME_EDIT_PAINT_VERT_SEL) != 0;
struct GPUBatch *geom;
if (use_surface) {
geom = DRW_cache_mesh_surface_weights_get(ob);
DRW_shgroup_call_add(stl->g_data->fweights_shgrp, geom, ob->obmat);
}
if (use_face_sel || use_wire) {
DRWShadingGroup *shgrp = use_face_sel ? stl->g_data->lwire_select_shgrp : stl->g_data->lwire_shgrp;
geom = DRW_cache_mesh_surface_edges_get(ob);
DRW_shgroup_call_add(shgrp, geom, ob->obmat);
}
if (use_face_sel) {
geom = DRW_cache_mesh_surface_get(ob);
DRW_shgroup_call_add(stl->g_data->face_shgrp, geom, ob->obmat);
}
if (use_vert_sel) {
geom = DRW_cache_mesh_all_verts_get(ob);
DRW_shgroup_call_add(stl->g_data->vert_select_shgrp, geom, ob->obmat);
}
}
}
static void PAINT_WEIGHT_draw_scene(void *vedata)
{
PAINT_WEIGHT_PassList *psl = ((PAINT_WEIGHT_Data *)vedata)->psl;
DRW_draw_pass(psl->weight_faces);
DRW_draw_pass(psl->wire_overlay);
DRW_draw_pass(psl->wire_select_overlay);
DRW_draw_pass(psl->vert_select_overlay);
DRW_draw_pass(psl->face_select_overlay);
}
static void PAINT_WEIGHT_engine_free(void)
{
for (int sh_data_index = 0; sh_data_index < ARRAY_SIZE(e_data.sh_data); sh_data_index++) {
PAINT_WEIGHT_Shaders *sh_data = &e_data.sh_data[sh_data_index];
GPUShader **sh_data_as_array = (GPUShader **)sh_data;
for (int i = 0; i < (sizeof(PAINT_WEIGHT_Shaders) / sizeof(GPUShader *)); i++) {
DRW_SHADER_FREE_SAFE(sh_data_as_array[i]);
}
}
}
static const DrawEngineDataSize PAINT_WEIGHT_data_size = DRW_VIEWPORT_DATA_SIZE(PAINT_WEIGHT_Data);
DrawEngineType draw_engine_paint_weight_type = {
NULL, NULL,
N_("PaintWeightMode"),
&PAINT_WEIGHT_data_size,
&PAINT_WEIGHT_engine_init,
&PAINT_WEIGHT_engine_free,
&PAINT_WEIGHT_cache_init,
&PAINT_WEIGHT_cache_populate,
NULL,
NULL,
&PAINT_WEIGHT_draw_scene,
NULL,
NULL,
};