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path: root/source/blender/draw/modes/particle_mode.c
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Diffstat (limited to 'source/blender/draw/modes/particle_mode.c')
-rw-r--r--source/blender/draw/modes/particle_mode.c243
1 files changed, 0 insertions, 243 deletions
diff --git a/source/blender/draw/modes/particle_mode.c b/source/blender/draw/modes/particle_mode.c
deleted file mode 100644
index fa2c4d9b6a8..00000000000
--- a/source/blender/draw/modes/particle_mode.c
+++ /dev/null
@@ -1,243 +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"
-
-#include "DNA_object_types.h"
-#include "DNA_particle_types.h"
-
-#include "BKE_pointcache.h"
-
-#include "BLI_string_utils.h"
-
-#include "GPU_shader.h"
-
-#include "draw_common.h"
-#include "draw_mode_engines.h"
-
-#include "ED_particle.h"
-
-#include "DEG_depsgraph_query.h"
-
-extern char datatoc_particle_strand_vert_glsl[];
-extern char datatoc_particle_strand_frag_glsl[];
-extern char datatoc_common_globals_lib_glsl[];
-extern char datatoc_common_view_lib_glsl[];
-
-/* *********** LISTS *********** */
-
-typedef struct PARTICLE_PassList {
- struct DRWPass *psys_edit_pass;
-} PARTICLE_PassList;
-
-typedef struct PARTICLE_FramebufferList {
- struct GPUFrameBuffer *fb;
-} PARTICLE_FramebufferList;
-
-typedef struct PARTICLE_TextureList {
- struct GPUTexture *texture;
-} PARTICLE_TextureList;
-
-typedef struct PARTICLE_StorageList {
- struct CustomStruct *block;
- struct PARTICLE_PrivateData *g_data;
-} PARTICLE_StorageList;
-
-typedef struct PARTICLE_Data {
- void *engine_type; /* Required */
- PARTICLE_FramebufferList *fbl;
- PARTICLE_TextureList *txl;
- PARTICLE_PassList *psl;
- PARTICLE_StorageList *stl;
-} PARTICLE_Data;
-
-/* *********** STATIC *********** */
-
-static struct {
- struct GPUShader *strands_shader;
- struct GPUShader *strands_weight_shader;
- struct GPUShader *points_shader;
-} e_data = {NULL}; /* Engine data */
-
-typedef struct PARTICLE_PrivateData {
- DRWShadingGroup *strands_group;
- DRWShadingGroup *inner_points_group;
- DRWShadingGroup *tip_points_group;
-} PARTICLE_PrivateData; /* Transient data */
-
-/* *********** FUNCTIONS *********** */
-
-static void particle_engine_init(void *UNUSED(vedata))
-{
- if (!e_data.strands_shader) {
- char *lib = BLI_string_joinN(datatoc_common_globals_lib_glsl, datatoc_common_view_lib_glsl);
-
- e_data.strands_shader = DRW_shader_create_with_lib(
- datatoc_particle_strand_vert_glsl, NULL, datatoc_particle_strand_frag_glsl, lib, "");
-
- e_data.strands_weight_shader = DRW_shader_create_with_lib(datatoc_particle_strand_vert_glsl,
- NULL,
- datatoc_particle_strand_frag_glsl,
- lib,
- "#define USE_WEIGHT");
-
- e_data.points_shader = DRW_shader_create_with_lib(datatoc_particle_strand_vert_glsl,
- NULL,
- datatoc_particle_strand_frag_glsl,
- lib,
- "#define USE_POINTS");
- MEM_freeN(lib);
- }
-}
-
-static void particle_cache_init(void *vedata)
-{
- PARTICLE_PassList *psl = ((PARTICLE_Data *)vedata)->psl;
- PARTICLE_StorageList *stl = ((PARTICLE_Data *)vedata)->stl;
- const DRWContextState *draw_ctx = DRW_context_state_get();
- ParticleEditSettings *pset = PE_settings(draw_ctx->scene);
- const bool use_weight = (pset->brushtype == PE_BRUSH_WEIGHT);
-
- if (!stl->g_data) {
- /* Alloc transient pointers */
- stl->g_data = MEM_mallocN(sizeof(*stl->g_data), __func__);
- }
-
- /* Create a pass */
- DRWState state = DRW_STATE_WRITE_COLOR | DRW_STATE_WRITE_DEPTH | DRW_STATE_DEPTH_LESS_EQUAL;
- psl->psys_edit_pass = DRW_pass_create("PSys Edit Pass", state);
-
- GPUShader *strand_shader = (use_weight) ? e_data.strands_weight_shader : e_data.strands_shader;
- stl->g_data->strands_group = DRW_shgroup_create(strand_shader, psl->psys_edit_pass);
- stl->g_data->inner_points_group = DRW_shgroup_create(e_data.points_shader, psl->psys_edit_pass);
- stl->g_data->tip_points_group = DRW_shgroup_create(e_data.points_shader, psl->psys_edit_pass);
-
- DRW_shgroup_uniform_block(stl->g_data->strands_group, "globalsBlock", G_draw.block_ubo);
- DRW_shgroup_uniform_block(stl->g_data->inner_points_group, "globalsBlock", G_draw.block_ubo);
- DRW_shgroup_uniform_block(stl->g_data->tip_points_group, "globalsBlock", G_draw.block_ubo);
-}
-
-static void particle_edit_cache_populate(void *vedata,
- Object *object,
- ParticleSystem *psys,
- PTCacheEdit *edit)
-{
- PARTICLE_StorageList *stl = ((PARTICLE_Data *)vedata)->stl;
- const DRWContextState *draw_ctx = DRW_context_state_get();
- ParticleEditSettings *pset = PE_settings(draw_ctx->scene);
- const bool use_weight = (pset->brushtype == PE_BRUSH_WEIGHT);
- {
- struct GPUBatch *strands = DRW_cache_particles_get_edit_strands(
- object, psys, edit, use_weight);
- DRW_shgroup_call(stl->g_data->strands_group, strands, NULL);
- }
- if (pset->selectmode == SCE_SELECT_POINT) {
- struct GPUBatch *points = DRW_cache_particles_get_edit_inner_points(object, psys, edit);
- DRW_shgroup_call(stl->g_data->inner_points_group, points, NULL);
- }
- if (ELEM(pset->selectmode, SCE_SELECT_POINT, SCE_SELECT_END)) {
- struct GPUBatch *points = DRW_cache_particles_get_edit_tip_points(object, psys, edit);
- DRW_shgroup_call(stl->g_data->tip_points_group, points, NULL);
- }
-}
-
-static void particle_cache_populate(void *vedata, Object *object)
-{
- if (object->mode != OB_MODE_PARTICLE_EDIT) {
- return;
- }
- const DRWContextState *draw_ctx = DRW_context_state_get();
- Scene *scene_orig = (Scene *)DEG_get_original_id(&draw_ctx->scene->id);
- /* Usually the edit structure is created by Particle Edit Mode Toggle
- * operator, but sometimes it's invoked after tagging hair as outdated
- * (for example, when toggling edit mode). That makes it impossible to
- * create edit structure for until after next dependency graph evaluation.
- *
- * Ideally, the edit structure will be created here already via some
- * dependency graph callback or so, but currently trying to make it nicer
- * only causes bad level calls and breaks design from the past.
- */
- Object *object_orig = DEG_get_original_object(object);
- PTCacheEdit *edit = PE_create_current(draw_ctx->depsgraph, scene_orig, object_orig);
- if (edit == NULL) {
- /* Happens when trying to edit particles in EMITTER mode without
- * having them cached.
- */
- return;
- }
- /* NOTE: We need to pass evaluated particle system, which we need
- * to find first.
- */
- ParticleSystem *psys = object->particlesystem.first;
- ParticleSystem *psys_orig = object_orig->particlesystem.first;
- while (psys_orig != NULL) {
- if (PE_get_current_from_psys(psys_orig) == edit) {
- break;
- }
- psys = psys->next;
- psys_orig = psys_orig->next;
- }
- if (psys == NULL) {
- printf("Error getting evaluated particle system for edit.\n");
- return;
- }
- particle_edit_cache_populate(vedata, object, psys, edit);
-}
-
-/* Optional: Post-cache_populate callback */
-static void particle_cache_finish(void *UNUSED(vedata))
-{
-}
-
-/* Draw time ! Control rendering pipeline from here */
-static void particle_draw_scene(void *vedata)
-{
-
- PARTICLE_PassList *psl = ((PARTICLE_Data *)vedata)->psl;
-
- DRW_draw_pass(psl->psys_edit_pass);
-}
-
-static void particle_engine_free(void)
-{
- DRW_SHADER_FREE_SAFE(e_data.strands_shader);
- DRW_SHADER_FREE_SAFE(e_data.strands_weight_shader);
- DRW_SHADER_FREE_SAFE(e_data.points_shader);
-}
-
-static const DrawEngineDataSize particle_data_size = DRW_VIEWPORT_DATA_SIZE(PARTICLE_Data);
-
-DrawEngineType draw_engine_particle_type = {
- NULL,
- NULL,
- N_("Particle Mode"),
- &particle_data_size,
- &particle_engine_init,
- &particle_engine_free,
- &particle_cache_init,
- &particle_cache_populate,
- &particle_cache_finish,
- NULL, /* draw_background but not needed by mode engines */
- &particle_draw_scene,
- NULL,
- NULL,
-};
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