Commit: 1a6ae0c70e24a00dce5a65748c1b4487730fde7d
Author: Campbell Barton
Date: Fri Jun 30 18:01:20 2017 +1000
Branches: blender2.8
https://developer.blender.org/rB1a6ae0c70e24a00dce5a65748c1b4487730fde7d
DwM: Use GWN_vertbuf_raw_* access for shading data
Gives approx 14% speedup here.
===================================================================
M source/blender/draw/intern/draw_cache_impl_mesh.c
===================================================================
diff --git a/source/blender/draw/intern/draw_cache_impl_mesh.c
b/source/blender/draw/intern/draw_cache_impl_mesh.c
index 4446fb2ce22..48730afdacc 100644
--- a/source/blender/draw/intern/draw_cache_impl_mesh.c
+++ b/source/blender/draw/intern/draw_cache_impl_mesh.c
@@ -35,6 +35,7 @@
#include "BLI_math_vector.h"
#include "BLI_math_bits.h"
#include "BLI_string.h"
+#include "BLI_alloca.h"
#include "DNA_mesh_types.h"
#include "DNA_meshdata_types.h"
@@ -1211,59 +1212,6 @@ static bool mesh_render_data_edge_vcos_manifold_pnors(
return true;
}
-static void mesh_render_data_looptri_uvs_get(
- MeshRenderData *rdata, const int tri_idx, const int uv_layer,
- float *(*r_vert_uvs)[3])
-{
- if (rdata->edit_bmesh) {
- const BMLoop **bm_looptri = (const BMLoop
**)rdata->edit_bmesh->looptris[tri_idx];
- (*r_vert_uvs)[0] = ((MLoopUV
*)BM_ELEM_CD_GET_VOID_P(bm_looptri[0], rdata->cd.offset.uv[uv_layer]))->uv;
- (*r_vert_uvs)[1] = ((MLoopUV
*)BM_ELEM_CD_GET_VOID_P(bm_looptri[1], rdata->cd.offset.uv[uv_layer]))->uv;
- (*r_vert_uvs)[2] = ((MLoopUV
*)BM_ELEM_CD_GET_VOID_P(bm_looptri[2], rdata->cd.offset.uv[uv_layer]))->uv;
- }
- else {
- const MLoopTri *mlt = &rdata->mlooptri[tri_idx];
- (*r_vert_uvs)[0] =
rdata->cd.layers.uv[uv_layer][mlt->tri[0]].uv;
- (*r_vert_uvs)[1] =
rdata->cd.layers.uv[uv_layer][mlt->tri[1]].uv;
- (*r_vert_uvs)[2] =
rdata->cd.layers.uv[uv_layer][mlt->tri[2]].uv;
- }
-}
-
-static void mesh_render_data_looptri_cols_get(
- MeshRenderData *rdata, const int tri_idx, const int vcol_layer,
- unsigned char *(*r_vert_cols)[3])
-{
- if (rdata->edit_bmesh) {
- const BMLoop **bm_looptri = (const BMLoop
**)rdata->edit_bmesh->looptris[tri_idx];
- (*r_vert_cols)[0] = &((MLoopCol
*)BM_ELEM_CD_GET_VOID_P(bm_looptri[0], rdata->cd.offset.vcol[vcol_layer]))->r;
- (*r_vert_cols)[1] = &((MLoopCol
*)BM_ELEM_CD_GET_VOID_P(bm_looptri[1], rdata->cd.offset.vcol[vcol_layer]))->r;
- (*r_vert_cols)[2] = &((MLoopCol
*)BM_ELEM_CD_GET_VOID_P(bm_looptri[2], rdata->cd.offset.vcol[vcol_layer]))->r;
- }
- else {
- const MLoopTri *mlt = &rdata->mlooptri[tri_idx];
- (*r_vert_cols)[0] =
&rdata->cd.layers.vcol[vcol_layer][mlt->tri[0]].r;
- (*r_vert_cols)[1] =
&rdata->cd.layers.vcol[vcol_layer][mlt->tri[1]].r;
- (*r_vert_cols)[2] =
&rdata->cd.layers.vcol[vcol_layer][mlt->tri[2]].r;
- }
-}
-
-static void mesh_render_data_looptri_tans_get(
- MeshRenderData *rdata, const int tri_idx, const int tangent_layer,
- float *(*r_vert_tans)[3])
-{
- if (rdata->edit_bmesh) {
- const BMLoop **bm_looptri = (const BMLoop
**)rdata->edit_bmesh->looptris[tri_idx];
- (*r_vert_tans)[0] =
rdata->cd.layers.tangent[tangent_layer][BM_elem_index_get(bm_looptri[0])];
- (*r_vert_tans)[1] =
rdata->cd.layers.tangent[tangent_layer][BM_elem_index_get(bm_looptri[1])];
- (*r_vert_tans)[2] =
rdata->cd.layers.tangent[tangent_layer][BM_elem_index_get(bm_looptri[2])];
- }
- else {
- const MLoopTri *mlt = &rdata->mlooptri[tri_idx];
- (*r_vert_tans)[0] =
rdata->cd.layers.tangent[tangent_layer][mlt->tri[0]];
- (*r_vert_tans)[1] =
rdata->cd.layers.tangent[tangent_layer][mlt->tri[1]];
- (*r_vert_tans)[2] =
rdata->cd.layers.tangent[tangent_layer][mlt->tri[2]];
- }
-}
/* First 2 bytes are bit flags
* 3rd is for sharp edges
@@ -1731,10 +1679,12 @@ static Gwn_VertBuf
*mesh_batch_cache_get_tri_shading_data(MeshRenderData *rdata,
#define USE_COMP_MESH_DATA
if (cache->shaded_triangles_data == NULL) {
- unsigned int vidx = 0;
- const char *attrib_name;
+ const uint uv_len = rdata->cd.layers.uv_len;
+ const uint tangent_len = rdata->cd.layers.tangent_len;
+ const uint vcol_len = rdata->cd.layers.vcol_len;
+ const uint layers_combined_len = uv_len + vcol_len +
tangent_len;
- if (rdata->cd.layers.uv_len + rdata->cd.layers.tangent_len +
rdata->cd.layers.vcol_len == 0) {
+ if (layers_combined_len == 0) {
return NULL;
}
@@ -1743,13 +1693,19 @@ static Gwn_VertBuf
*mesh_batch_cache_get_tri_shading_data(MeshRenderData *rdata,
GWN_vertformat_clear(format);
/* initialize vertex format */
- unsigned int *uv_id = MEM_mallocN(sizeof(*uv_id) *
rdata->cd.layers.uv_len, "UV attrib format");
- unsigned int *vcol_id = MEM_mallocN(sizeof(*vcol_id) *
rdata->cd.layers.vcol_len, "Vcol attrib format");
- unsigned int *tangent_id = MEM_mallocN(sizeof(*tangent_id) *
rdata->cd.layers.tangent_len, "Tangent attrib format");
+ uint *layers_combined_id = BLI_array_alloca(layers_combined_id,
layers_combined_len);
+ uint *uv_id = layers_combined_id;
+ uint *tangent_id = uv_id + uv_len;
+ uint *vcol_id = tangent_id + tangent_len;
- for (int i = 0; i < rdata->cd.layers.uv_len; i++) {
+ /* Not needed, just for sanity. */
+ if (uv_len == 0) { uv_id = NULL; }
+ if (tangent_len == 0) { tangent_id = NULL; }
+ if (vcol_len == 0) { vcol_id = NULL; }
+
+ for (uint i = 0; i < uv_len; i++) {
/* UV */
- attrib_name = mesh_render_data_uv_layer_uuid_get(rdata,
i);
+ const char *attrib_name =
mesh_render_data_uv_layer_uuid_get(rdata, i);
#if defined(USE_COMP_MESH_DATA) && 0 /* these are clamped. Maybe use them as
an option in the future */
uv_id[i] = GWN_vertformat_attr_add(format, attrib_name,
GWN_COMP_I16, 2, GWN_FETCH_INT_TO_FLOAT_UNIT);
#else
@@ -1765,8 +1721,8 @@ static Gwn_VertBuf
*mesh_batch_cache_get_tri_shading_data(MeshRenderData *rdata,
}
}
- for (int i = 0; i < rdata->cd.layers.tangent_len; i++) {
- attrib_name =
mesh_render_data_tangent_layer_uuid_get(rdata, i);
+ for (uint i = 0; i < tangent_len; i++) {
+ const char *attrib_name =
mesh_render_data_tangent_layer_uuid_get(rdata, i);
/* WATCH IT : only specifying 3 component instead of 4
(4th is sign).
* That may cause some problem but I could not make it
to fail (fclem) */
#ifdef USE_COMP_MESH_DATA
@@ -1781,8 +1737,8 @@ static Gwn_VertBuf
*mesh_batch_cache_get_tri_shading_data(MeshRenderData *rdata,
}
}
- for (int i = 0; i < rdata->cd.layers.vcol_len; i++) {
- attrib_name =
mesh_render_data_vcol_layer_uuid_get(rdata, i);
+ for (uint i = 0; i < vcol_len; i++) {
+ const char *attrib_name =
mesh_render_data_vcol_layer_uuid_get(rdata, i);
vcol_id[i] = GWN_vertformat_attr_add(format,
attrib_name, GWN_COMP_U8, 3, GWN_FETCH_INT_TO_FLOAT_UNIT);
/* Auto layer */
@@ -1796,7 +1752,7 @@ static Gwn_VertBuf
*mesh_batch_cache_get_tri_shading_data(MeshRenderData *rdata,
}
}
- const int tri_len = mesh_render_data_looptri_len_get(rdata);
+ const uint tri_len = mesh_render_data_looptri_len_get(rdata);
Gwn_VertBuf *vbo = cache->shaded_triangles_data =
GWN_vertbuf_create_with_format(format);
@@ -1804,70 +1760,110 @@ static Gwn_VertBuf
*mesh_batch_cache_get_tri_shading_data(MeshRenderData *rdata,
int vbo_len_used = 0;
GWN_vertbuf_data_alloc(vbo, vbo_len_capacity);
+ Gwn_VertBufRaw *layers_combined_step =
BLI_array_alloca(layers_combined_step, layers_combined_len);
+
+ Gwn_VertBufRaw *uv_step = layers_combined_step;
+ Gwn_VertBufRaw *tangent_step = uv_step + uv_len;
+ Gwn_VertBufRaw *vcol_step = tangent_step + tangent_len;
+
+ /* Not needed, just for sanity. */
+ if (uv_len == 0) { uv_step = NULL; }
+ if (tangent_len == 0) { tangent_step = NULL; }
+ if (vcol_len == 0) { vcol_step = NULL; }
+
+ for (uint i = 0; i < uv_len; i++) {
+ GWN_vertbuf_attr_get_raw_data(vbo, uv_id[i],
&uv_step[i]);
+ }
+ for (uint i = 0; i < tangent_len; i++) {
+ GWN_vertbuf_attr_get_raw_data(vbo, tangent_id[i],
&tangent_step[i]);
+ }
+ for (uint i = 0; i < vcol_len; i++) {
+ GWN_vertbuf_attr_get_raw_data(vbo, vcol_id[i],
&vcol_step[i]);
+ }
+
/* TODO deduplicate all verts and make use of Gwn_IndexBuf in
* mesh_batch_cache_get_triangles_in_order_split_by_material. */
- for (int i = 0; i < tri_len; i++) {
- float *tri_uvs[3], *tri_tans[3];
- unsigned char *tri_cols[3];
-
- if (rdata->edit_bmesh == NULL ||
-
BM_elem_flag_test((rdata->edit_bmesh->looptris[i])[0]->f, BM_ELEM_HIDDEN) == 0)
- {
+ if (rdata->edit_bmesh) {
+ for (uint i = 0; i < tri_len; i++) {
+ const BMLoop **bm_looptri = (const BMLoop
**)rdata->edit_bmesh->looptris[i];
+ if (BM_elem_flag_test(bm_looptri[0]->f,
BM_ELEM_HIDDEN)) {
+ continue;
+ }
/* UVs */
- for (int j = 0; j < rdata->cd.layers.uv_len;
j++) {
- /* UVs */
- mesh_render_data_looptri_uvs_get(rdata,
i, j, &tri_uvs);
-#if defined(USE_COMP_MESH_DATA) && 0 /* these are clamped. Maybe use them as
an option in the future */
- short s_uvs[3][2];
- normal_float_to_short_v2(s_uvs[0],
tri_uvs[0]);
- normal_float_to_short_v2(s_uvs[1],
tri_uvs[1]);
- normal_float_to_short_v2(s_uvs[2],
tri_uvs[2]);
-#else
- float **s_uvs = tri_uvs;
-#endif
- GWN_vertbuf_attr_set(vbo, uv_id[j],
vidx + 0, s_uvs[0]);
- GWN_vertbuf_attr_set(vbo, uv_id[j],
vidx + 1, s_uvs[1]);
- GWN_vertbuf_attr_set(vbo, uv_id[j],
vidx + 2, s_uvs[2]);
+ for (uint j = 0; j < uv_len; j++) {
+ const uint layer_offset =
rdata->cd.offset.uv[j];
+ for (uint t = 0; t < 3; t++) {
+ const float *elem = ((MLoopUV
*)BM_ELEM_CD_GET_VOID_P(bm_looptri[t], layer_offset))->uv;
+
copy_v2_v2(GWN_vertbuf_raw_step(&uv_step[j]), elem);
+ }
}
+ /* TANGENTs */
+ for (uint j = 0; j < tangent_len; j++) {
+ float (*layer_data)[4] =
rdata->cd.layers.tangent[j];
+ for (uint t = 0; t < 3; t++) {
+ const float *elem =
layer_data[BM_elem_index_get(bm_looptri[t])];
+
normal_float_to_short_v3(GWN_vertbuf_raw_step(&tangent_step[j]), elem);
+ }
+ }
+ /* VCOLs */
+ for (uint j = 0; j < vcol_len; j++) {
+ const uint layer_offset =
rdata->cd.offset.vcol[j];
+ for (uint t = 0; t < 3; t++) {
+ const uchar *elem = &((MLoopCol
*)BM_ELEM_CD_GET_VOID_P(bm_looptri[t], layer_offset))->r;
+
copy_v3_v3_uchar(GWN_vertbuf_raw_step(&vcol_step[j]), elem);
+ }
+ }
+ }
+ }
+ else {
+ for (uint i = 0; i < tri_len; i++) {
+ const MLoopTri *mlt = &rdata->mlooptri[i];
-
+ /* UVs */
+ for (uint j = 0; j < uv_len; j++) {
+ const MLoopUV *layer_data =
rdata->cd.layers.uv[j];
+ for (uint t = 0; t < 3; t++) {
+ const float *elem =
layer_data[mlt->tri[t]].uv;
+
copy_v2_v2(GWN_vertbuf_raw_step(&uv_step[j]), elem
@@ Diff output truncated at 10240 characters. @@
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