[Bf-blender-cvs] [93de6ca2dba] blender2.8: DRW: Instance selection id: use Batch buffers instead of DRWInstanceData
Clément Foucault
noreply at git.blender.org
Wed May 30 12:25:40 CEST 2018
Commit: 93de6ca2dbaee10482fa20de6a7ad384b232dd87
Author: Clément Foucault
Date: Tue May 29 15:02:08 2018 +0200
Branches: blender2.8
https://developer.blender.org/rB93de6ca2dbaee10482fa20de6a7ad384b232dd87
DRW: Instance selection id: use Batch buffers instead of DRWInstanceData
This is motivated by the refactor of DRWInstanceData to be actual non
contiguous mempools.
===================================================================
M source/blender/draw/intern/draw_manager.h
M source/blender/draw/intern/draw_manager_data.c
M source/blender/draw/intern/draw_manager_exec.c
===================================================================
diff --git a/source/blender/draw/intern/draw_manager.h b/source/blender/draw/intern/draw_manager.h
index 6fd000c0939..77bb37b9c8a 100644
--- a/source/blender/draw/intern/draw_manager.h
+++ b/source/blender/draw/intern/draw_manager.h
@@ -253,7 +253,7 @@ struct DRWShadingGroup {
#endif
#ifdef USE_GPU_SELECT
- DRWInstanceData *inst_selectid;
+ Gwn_VertBuf *inst_selectid;
DRWPass *pass_parent; /* backlink to pass we're in */
int override_selectid; /* Override for single object instances. */
#endif
diff --git a/source/blender/draw/intern/draw_manager_data.c b/source/blender/draw/intern/draw_manager_data.c
index 105eab5a958..c5d7f205687 100644
--- a/source/blender/draw/intern/draw_manager_data.c
+++ b/source/blender/draw/intern/draw_manager_data.c
@@ -517,12 +517,10 @@ void DRW_shgroup_call_dynamic_add_array(DRWShadingGroup *shgroup, const void *at
{
#ifdef USE_GPU_SELECT
if (G.f & G_PICKSEL) {
- if (shgroup->inst_selectid == NULL) {
- shgroup->inst_selectid = DRW_instance_data_request(DST.idatalist, 1, 128);
+ if (shgroup->instance_count == shgroup->inst_selectid->vertex_ct) {
+ GWN_vertbuf_data_resize(shgroup->inst_selectid, shgroup->instance_count + 32);
}
-
- int *select_id = DRW_instance_data_next(shgroup->inst_selectid);
- *select_id = DST.select_id;
+ GWN_vertbuf_attr_set(shgroup->inst_selectid, 0, shgroup->instance_count, &DST.select_id);
}
#endif
@@ -622,6 +620,21 @@ static void drw_shgroup_instance_init(
DRW_instancing_buffer_request(DST.idatalist, format, batch, shgroup,
&shgroup->instance_geom, &shgroup->instance_vbo);
+
+#ifdef USE_GPU_SELECT
+ if (G.f & G_PICKSEL) {
+ /* Not actually used for rendering but alloced in one chunk.
+ * Plus we don't have to care about ownership. */
+ static Gwn_VertFormat inst_select_format = {0};
+ if (inst_select_format.attrib_ct == 0) {
+ GWN_vertformat_attr_add(&inst_select_format, "selectId", GWN_COMP_I32, 1, GWN_FETCH_INT);
+ }
+ Gwn_Batch *batch_dummy; /* Not used */
+ DRW_batching_buffer_request(DST.idatalist, &inst_select_format,
+ GWN_PRIM_POINTS, shgroup,
+ &batch_dummy, &shgroup->inst_selectid);
+ }
+#endif
}
static void drw_shgroup_batching_init(
@@ -644,6 +657,20 @@ static void drw_shgroup_batching_init(
DRW_batching_buffer_request(DST.idatalist, format, type, shgroup,
&shgroup->batch_geom, &shgroup->batch_vbo);
+
+#ifdef USE_GPU_SELECT
+ if (G.f & G_PICKSEL) {
+ /* Not actually used for rendering but alloced in one chunk. */
+ static Gwn_VertFormat inst_select_format = {0};
+ if (inst_select_format.attrib_ct == 0) {
+ GWN_vertformat_attr_add(&inst_select_format, "selectId", GWN_COMP_I32, 1, GWN_FETCH_INT);
+ }
+ Gwn_Batch *batch; /* Not used */
+ DRW_batching_buffer_request(DST.idatalist, &inst_select_format,
+ GWN_PRIM_POINTS, shgroup,
+ &batch, &shgroup->inst_selectid);
+ }
+#endif
}
static DRWShadingGroup *drw_shgroup_create_ex(struct GPUShader *shader, DRWPass *pass)
diff --git a/source/blender/draw/intern/draw_manager_exec.c b/source/blender/draw/intern/draw_manager_exec.c
index 8b0bbb3ad15..98135a614d9 100644
--- a/source/blender/draw/intern/draw_manager_exec.c
+++ b/source/blender/draw/intern/draw_manager_exec.c
@@ -1045,7 +1045,10 @@ static void draw_shgroup(DRWShadingGroup *shgroup, DRWState pass_state)
int *select_id = NULL; \
if (G.f & G_PICKSEL) { \
if (_shgroup->override_selectid == -1) { \
- select_id = DRW_instance_data_get(_shgroup->inst_selectid); \
+ /* Hack : get vbo data without actually drawing. */ \
+ Gwn_VertBufRaw raw; \
+ GWN_vertbuf_attr_get_raw_data(_shgroup->inst_selectid, 0, &raw); \
+ select_id = GWN_vertbuf_raw_step(&raw); \
switch (_shgroup->type) { \
case DRW_SHG_TRIANGLE_BATCH: _count = 3; break; \
case DRW_SHG_LINE_BATCH: _count = 2; break; \
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