Commit: 66f8e8734b6066dbe38c25d181de66675de5256a
Author: Lukas Tönne
Date: Fri Jul 15 12:44:45 2016 +0200
Branches: strand_gpu
https://developer.blender.org/rB66f8e8734b6066dbe38c25d181de66675de5256a
Removed deprecated editmode drawing code.
The only real missing feature from this code is drawing points and
selection state, which can be reimplemented quite easily.
===================================================================
M source/blender/editors/space_view3d/drawstrands.c
===================================================================
diff --git a/source/blender/editors/space_view3d/drawstrands.c
b/source/blender/editors/space_view3d/drawstrands.c
index 6249407..3ebe5dd 100644
--- a/source/blender/editors/space_view3d/drawstrands.c
+++ b/source/blender/editors/space_view3d/drawstrands.c
@@ -196,314 +196,6 @@ void draw_strands(Scene *scene, View3D *UNUSED(v3d),
RegionView3D *rv3d,
/*************************/
/*** Edit Mode Drawing ***/
-#if 0
-typedef enum StrandsShadeMode {
- STRANDS_SHADE_FLAT,
- STRANDS_SHADE_HAIR,
-} StrandsShadeMode;
-
-typedef struct StrandsDrawInfo {
- bool has_zbuf;
- bool use_zbuf_select;
-
- StrandsShadeMode shade_mode;
- int select_mode;
-
- float col_base[4];
- float col_select[4];
-} StrandsDrawInfo;
-
-BLI_INLINE bool strands_use_normals(const StrandsDrawInfo *info)
-{
- return ELEM(info->shade_mode, STRANDS_SHADE_HAIR);
-}
-
-static void init_draw_info(StrandsDrawInfo *info, View3D *v3d,
- StrandsShadeMode shade_mode, int select_mode)
-{
- info->has_zbuf = v3d->zbuf;
- info->use_zbuf_select = (v3d->flag & V3D_ZBUF_SELECT);
-
- info->shade_mode = shade_mode;
- info->select_mode = select_mode;
-
- /* get selection theme colors */
- UI_GetThemeColor4fv(TH_VERTEX, info->col_base);
- UI_GetThemeColor4fv(TH_VERTEX_SELECT, info->col_select);
-}
-
-static void set_opengl_state_strands(const StrandsDrawInfo *info)
-{
- if (!info->use_zbuf_select)
- glDisable(GL_DEPTH_TEST);
- glEnable(GL_BLEND);
-
- if (ELEM(info->shade_mode, STRANDS_SHADE_HAIR)) {
- glEnable(GL_LIGHTING);
- glColorMaterial(GL_FRONT_AND_BACK, GL_DIFFUSE);
- glEnable(GL_COLOR_MATERIAL);
- glShadeModel(GL_SMOOTH);
- }
- else {
- glDisable(GL_LIGHTING);
- }
-
- glEnableClientState(GL_VERTEX_ARRAY);
- if (strands_use_normals(info))
- glEnableClientState(GL_NORMAL_ARRAY);
-}
-
-static void set_opengl_state_dots(const StrandsDrawInfo *info)
-{
- if (!info->use_zbuf_select)
- glDisable(GL_DEPTH_TEST);
- glEnable(GL_BLEND);
-
- glDisable(GL_LIGHTING);
-
- glEnableClientState(GL_VERTEX_ARRAY);
- glPointSize(3.0);
-}
-
-static void restore_opengl_state(const StrandsDrawInfo *info)
-{
- glDisableClientState(GL_NORMAL_ARRAY);
- glDisableClientState(GL_VERTEX_ARRAY);
-
- glDisable(GL_BLEND);
- glDisable(GL_LIGHTING);
- glDisable(GL_COLOR_MATERIAL);
- glShadeModel(GL_FLAT);
- if (info->has_zbuf)
- glEnable(GL_DEPTH_TEST);
- glLineWidth(1.0f);
- glPointSize(1.0);
-}
-
-/* ------------------------------------------------------------------------- */
-/* strands */
-
-static void setup_gpu_buffers_strands(BMEditStrands *edit, const
StrandsDrawInfo *info)
-{
- const size_t size_v3 = sizeof(float) * 3;
- const size_t size_vertex = (strands_use_normals(info) ? 2*size_v3 :
size_v3);
- BMesh *bm = edit->base.bm;
-
-// int totstrands = BM_strands_count(edit->bm);
- int totvert = bm->totvert;
- int totedge = bm->totedge;
-
- if (!edit->vertex_glbuf)
- glGenBuffers(1, &edit->vertex_glbuf);
- if (!edit->elem_glbuf)
- glGenBuffers(1, &edit->elem_glbuf);
-
- glBindBuffer(GL_ARRAY_BUFFER, edit->vertex_glbuf);
- glBufferData(GL_ARRAY_BUFFER, size_vertex * totvert, NULL,
GL_DYNAMIC_DRAW);
-
- glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, edit->elem_glbuf);
- glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(unsigned int) * totedge *
2, NULL, GL_DYNAMIC_DRAW);
-
- glVertexPointer(3, GL_FLOAT, size_vertex, NULL);
- if (strands_use_normals(info))
- glNormalPointer(GL_FLOAT, size_vertex, (GLubyte *)NULL +
size_v3);
-}
-
-static void unbind_gpu_buffers_strands(void)
-{
- glBindBuffer(GL_ARRAY_BUFFER, 0);
- glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
-}
-
-static int write_gpu_buffers_strands(BMEditStrands *edit, const
StrandsDrawInfo *info)
-{
- const size_t size_v3 = sizeof(float) * 3;
- const size_t size_vertex = (strands_use_normals(info) ? 2*size_v3 :
size_v3);
- BMesh *bm = edit->base.bm;
-
- GLubyte *vertex_data;
- unsigned int *elem_data;
- BMVert *root, *v, *vprev;
- BMIter iter, iter_strand;
- int index, indexprev, index_edge;
- int k;
-
- vertex_data = glMapBuffer(GL_ARRAY_BUFFER, GL_WRITE_ONLY);
- elem_data = glMapBuffer(GL_ELEMENT_ARRAY_BUFFER, GL_WRITE_ONLY);
- if (!vertex_data || !elem_data)
- return 0;
-
- BM_mesh_elem_index_ensure(bm, BM_VERT);
-
- index_edge = 0;
- BM_ITER_STRANDS(root, &iter, bm, BM_STRANDS_OF_MESH) {
- BM_ITER_STRANDS_ELEM_INDEX(v, &iter_strand, root,
BM_VERTS_OF_STRAND, k) {
- size_t offset_co;
-
- index = BM_elem_index_get(v);
-
- offset_co = index * size_vertex;
- copy_v3_v3((float *)(vertex_data + offset_co), v->co);
-
- if (k > 0) {
- if (strands_use_normals(info)) {
- size_t offset_nor = offset_co + size_v3;
- float nor[3];
- sub_v3_v3v3(nor, v->co, vprev->co);
- normalize_v3(nor);
- copy_v3_v3((float *)(vertex_data +
offset_nor), nor);
-
- if (k == 1) {
- /* define root normal: same as
first segment */
- size_t offset_root_nor =
indexprev * size_vertex + size_v3;
- copy_v3_v3((float
*)(vertex_data + offset_root_nor), nor);
- }
- }
-
- {
- elem_data[index_edge + 0] = indexprev;
- elem_data[index_edge + 1] = index;
- index_edge += 2;
- }
- }
-
- vprev = v;
- indexprev = index;
- }
- }
-
- glUnmapBuffer(GL_ARRAY_BUFFER);
- glUnmapBuffer(GL_ELEMENT_ARRAY_BUFFER);
-
- return index_edge;
-}
-
-/* ------------------------------------------------------------------------- */
-/* dots */
-
-static void setup_gpu_buffers_dots(BMEditStrands *edit, const StrandsDrawInfo
*info, bool selected)
-{
- const size_t size_v3 = sizeof(float) * 3;
- const size_t size_vertex = size_v3;
- BMesh *bm = edit->base.bm;
-
- BMVert *v;
- BMIter iter;
- int totvert;
-
- switch (info->select_mode) {
- case HAIR_SELECT_STRAND:
- totvert = 0;
- break;
- case HAIR_SELECT_VERTEX:
- totvert = selected ? bm->totvertsel : bm->totvert -
bm->totvertsel;
- break;
- case HAIR_SELECT_TIP:
- totvert = 0;
- BM_ITER_MESH(v, &iter, bm, BM_VERTS_OF_MESH) {
- if (BM_elem_flag_test_bool(v, BM_ELEM_SELECT)
!= selected)
- continue;
- if (!BM_strands_vert_is_tip(v))
- continue;
-
- ++totvert;
- }
- break;
- }
-
- if (totvert == 0)
- return;
-
- if (!edit->dot_glbuf)
- glGenBuffers(1, &edit->dot_glbuf);
-
- glBindBuffer(GL_ARRAY_BUFFER, edit->dot_glbuf);
- glBufferData(GL_ARRAY_BUFFER, size_vertex * totvert, NULL,
GL_DYNAMIC_DRAW);
-
- glVertexPointer(3, GL_FLOAT, size_vertex, NULL);
-}
-
-static void unbind_gpu_buffers_dots(void)
-{
- glBindBuffer(GL_ARRAY_BUFFER, 0);
-}
-
-static int write_gpu_buffers_dots(BMEditStrands *edit, const StrandsDrawInfo
*info, bool selected)
-{
- const size_t size_v3 = sizeof(float) * 3;
- const size_t size_vertex = size_v3;
- BMesh *bm = edit->base.bm;
-
- GLubyte *vertex_data;
- BMVert *v;
- BMIter iter;
- int index_dot;
-
- if (info->select_mode == HAIR_SELECT_STRAND)
- return 0;
-
- vertex_data = glMapBuffer(GL_ARRAY_BUFFER, GL_WRITE_ONLY);
- if (!vertex_data)
- return 0;
-
- BM_mesh_elem_index_ensure(bm, BM_VERT);
-
- index_dot = 0;
- switch (info->select_mode) {
- case HAIR_SELECT_STRAND:
- /* already exited, but keep the case for the compiler */
- break;
- case HAIR_SELECT_VERTEX:
- BM_ITER_MESH(v, &iter, bm, BM_VERTS_OF_MESH) {
- size_t offset_co;
-
- if (BM_elem_flag_test_bool(v, BM_ELEM_SELECT)
!= selected)
- continue;
-
- offset_co = index_dot * size_vertex;
- copy_v3_v3((float *)(vertex_data + offset_co),
v->co);
- ++index_dot;
- }
- break;
- case HAIR_SELECT_TIP:
- BM_ITER_MESH(v, &iter, bm, BM_VERTS_OF_MESH) {
- size_t offset_co;
-
- if (BM_elem_flag_test_bool(v, BM_ELEM_SELECT)
!= selected)
- continue;
- if (!BM_strands_vert_is_tip(v))
- continue;
-
- offset_co = index_dot * size_vertex;
- copy_v3_v3((float *)(vertex_data + offset_co),
v->co);
- ++index_dot;
- }
- break;
- }
-
- glUnmapBuffer(GL_ARRAY_BUFFER);
-
- return index_dot;
-}
-
-/* ------------------------------------------------------------------------- */
-
-static void draw_dots(BMEditStrands *edit, const StrandsDrawInfo *info, bool
selected)
-{
- int totelem;
-
- if (selected)
- glColor3fv(info->col_select);
- else
- glColor3fv(info->col_base);
-
- setup_gpu_buffers_dots(edit, info, selected);
- totelem = write_gpu_buffers_dots(edit, info, selected);
- if (totelem > 0)
- glDrawArrays(GL_POINTS, 0, totelem);
-}
-#endif
-
void draw_strands_edit(Scene *scene, View3D *UNUSED(v3d), RegionView3D *rv3d,
Object *ob, StrandsModifierData *smd)
{
@@ -583,27 +275,4 @@ void draw_strands_edit(Scene *scene, View3D *UNUSED(v3d),
RegionView3D *rv3d,
GPU_strand_shader_unbind(shader);
}
-
-#if 0
- HairEditSettings *settings = &scene->toolsettings->hair_edit;
-
- StrandsDrawInfo info;
- int totelem;
-
- init_draw_info(&info, v3d, STRANDS_SHADE_HAIR, settings->select_mode);
-
- set_opengl_state_strands(&info);
- setup_gpu_buffers_strands(edit, &info);
- totelem = write_gpu_buffers_strands(edit, &info);
- if (totelem > 0)
- glDrawElements(GL_LINES, totelem, GL_UNSIGNED_INT, NULL);
- unbind_gpu_buffers_strands();
-
- set_opengl_state_dots(&info);
- draw_dots(edit, &info, false);
- draw_dots(edit, &info, true);
- unbind_gpu_buffers_dots();
-
- restore_opengl_state(&info);
-#endif
}
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