[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [22374] branches/soc-2009-jaguarandi/ source/blender/render/intern/raytrace/svbvh.h: fix instance support when using SIMD
Andre Susano Pinto
andresusanopinto at gmail.com
Tue Aug 11 19:28:58 CEST 2009
Revision: 22374
http://projects.blender.org/plugins/scmsvn/viewcvs.php?view=rev&root=bf-blender&revision=22374
Author: jaguarandi
Date: 2009-08-11 19:28:58 +0200 (Tue, 11 Aug 2009)
Log Message:
-----------
fix instance support when using SIMD
Modified Paths:
--------------
branches/soc-2009-jaguarandi/source/blender/render/intern/raytrace/svbvh.h
Modified: branches/soc-2009-jaguarandi/source/blender/render/intern/raytrace/svbvh.h
===================================================================
--- branches/soc-2009-jaguarandi/source/blender/render/intern/raytrace/svbvh.h 2009-08-11 16:51:17 UTC (rev 22373)
+++ branches/soc-2009-jaguarandi/source/blender/render/intern/raytrace/svbvh.h 2009-08-11 17:28:58 UTC (rev 22374)
@@ -39,7 +39,7 @@
int nchilds;
//Array of bb, array of childs
- float *bb;
+ float *child_bb;
SVBVHNode **child;
};
@@ -57,7 +57,7 @@
int i=0;
while(i+4 <= node->nchilds)
{
- int res = test_bb_group4( (__m128*) (node->bb+6*i), isec );
+ int res = test_bb_group4( (__m128*) (node->child_bb+6*i), isec );
RE_RC_COUNT(isec->raycounter->bb.test);
RE_RC_COUNT(isec->raycounter->bb.test);
RE_RC_COUNT(isec->raycounter->bb.test);
@@ -72,7 +72,7 @@
}
while(i < node->nchilds)
{
- if(RE_rayobject_bb_intersect_test(isec, (const float*)node->bb+6*i))
+ if(RE_rayobject_bb_intersect_test(isec, (const float*)node->child_bb+6*i))
stack[stack_pos++] = node->child[i];
i++;
}
@@ -81,12 +81,51 @@
{
for(int i=0; i<node->nchilds; i++)
{
- if(RE_rayobject_bb_intersect_test(isec, (const float*)node->bb+6*i))
+ if(RE_rayobject_bb_intersect_test(isec, (const float*)node->child_bb+6*i))
stack[stack_pos++] = node->child[i];
}
}
}
+template<>
+void bvh_node_merge_bb<SVBVHNode>(SVBVHNode *node, float *min, float *max)
+{
+ if(is_leaf(node))
+ {
+ RE_rayobject_merge_bb( (RayObject*)node, min, max);
+ }
+ else
+ {
+ int i=0;
+ while(SVBVH_SIMD && i+4 <= node->nchilds)
+ {
+ float *res = node->child_bb + 6*i;
+ for(int j=0; j<3; j++)
+ {
+ min[j] = MIN2(min[j], res[4*j+0]);
+ min[j] = MIN2(min[j], res[4*j+1]);
+ min[j] = MIN2(min[j], res[4*j+2]);
+ min[j] = MIN2(min[j], res[4*j+3]);
+ }
+ for(int j=0; j<3; j++)
+ {
+ max[j] = MAX2(max[j], res[4*(j+3)+0]);
+ max[j] = MAX2(max[j], res[4*(j+3)+1]);
+ max[j] = MAX2(max[j], res[4*(j+3)+2]);
+ max[j] = MAX2(max[j], res[4*(j+3)+3]);
+ }
+
+ i += 4;
+ }
+
+ for(; i<node->nchilds; i++)
+ {
+ DO_MIN(node->child_bb+6*i , min);
+ DO_MAX(node->child_bb+3+6*i, max);
+ }
+ }
+}
+
struct SVBVHTree
{
RayObject rayobj;
@@ -131,7 +170,7 @@
{
SVBVHNode *node = (SVBVHNode*)BLI_memarena_alloc(tree->node_arena, sizeof(SVBVHNode));
node->nchilds = nchilds;
- node->bb = (float*)BLI_memarena_alloc(tree->node_arena, sizeof(float)*6*nchilds);
+ node->child_bb = (float*)BLI_memarena_alloc(tree->node_arena, sizeof(float)*6*nchilds);
node->child= (SVBVHNode**)BLI_memarena_alloc(tree->node_arena, sizeof(SVBVHNode*)*nchilds);
return node;
@@ -148,8 +187,8 @@
while(i+4 <= node->nchilds)
{
float vec_tmp[4*6];
- float *res = node->bb+6*i;
- std::copy( node->bb+6*i, node->bb+6*(i+4), vec_tmp);
+ float *res = node->child_bb+6*i;
+ std::copy( res, res+6*4, vec_tmp);
for(int j=0; j<6; j++)
{
@@ -167,18 +206,18 @@
//memmoves could be memory alligned
const __m128 x0y0x1y1 = _mm_shuffle_ps( _mm_loadu_ps(bb0), _mm_loadu_ps(bb1), _MM_SHUFFLE(1,0,1,0) );
const __m128 x2y2x3y3 = _mm_shuffle_ps( _mm_loadu_ps(bb2), _mm_loadu_ps(bb3), _MM_SHUFFLE(1,0,1,0) );
- _mm_store_ps( node->bb+6*i+4*0, _mm_shuffle_ps( x0y0x1y1, x2y2x3y3, _MM_SHUFFLE(2,0,2,0) ) );
- _mm_store_ps( node->bb+6*i+4*1, _mm_shuffle_ps( x0y0x1y1, x2y2x3y3, _MM_SHUFFLE(3,1,3,1) ) );
+ _mm_store_ps( node->child_bb+6*i+4*0, _mm_shuffle_ps( x0y0x1y1, x2y2x3y3, _MM_SHUFFLE(2,0,2,0) ) );
+ _mm_store_ps( node->child_bb+6*i+4*1, _mm_shuffle_ps( x0y0x1y1, x2y2x3y3, _MM_SHUFFLE(3,1,3,1) ) );
const __m128 z0X0z1X1 = _mm_shuffle_ps( _mm_loadu_ps(bb0), _mm_loadu_ps(bb1), _MM_SHUFFLE(3,2,3,2) );
const __m128 z2X2z3X3 = _mm_shuffle_ps( _mm_loadu_ps(bb2), _mm_loadu_ps(bb3), _MM_SHUFFLE(3,2,3,2) );
- _mm_store_ps( node->bb+6*i+4*2, _mm_shuffle_ps( z0X0z1X1, z2X2z3X3, _MM_SHUFFLE(2,0,2,0) ) );
- _mm_store_ps( node->bb+6*i+4*3, _mm_shuffle_ps( z0X0z1X1, z2X2z3X3, _MM_SHUFFLE(3,1,3,1) ) );
+ _mm_store_ps( node->child_bb+6*i+4*2, _mm_shuffle_ps( z0X0z1X1, z2X2z3X3, _MM_SHUFFLE(2,0,2,0) ) );
+ _mm_store_ps( node->child_bb+6*i+4*3, _mm_shuffle_ps( z0X0z1X1, z2X2z3X3, _MM_SHUFFLE(3,1,3,1) ) );
const __m128 Y0Z0Y1Z1 = _mm_shuffle_ps( _mm_loadu_ps(bb0+4), _mm_loadu_ps(bb1+4), _MM_SHUFFLE(1,0,1,0) );
const __m128 Y2Z2Y3Z3 = _mm_shuffle_ps( _mm_loadu_ps(bb2+4), _mm_loadu_ps(bb3+4), _MM_SHUFFLE(1,0,1,0) );
- _mm_store_ps( node->bb+6*i+4*4, _mm_shuffle_ps( Y0Z0Y1Z1, Y2Z2Y3Z3, _MM_SHUFFLE(2,0,2,0) ) );
- _mm_store_ps( node->bb+6*i+4*5, _mm_shuffle_ps( Y0Z0Y1Z1, Y2Z2Y3Z3, _MM_SHUFFLE(3,1,3,1) ) );
+ _mm_store_ps( node->child_bb+6*i+4*4, _mm_shuffle_ps( Y0Z0Y1Z1, Y2Z2Y3Z3, _MM_SHUFFLE(2,0,2,0) ) );
+ _mm_store_ps( node->child_bb+6*i+4*5, _mm_shuffle_ps( Y0Z0Y1Z1, Y2Z2Y3Z3, _MM_SHUFFLE(3,1,3,1) ) );
*/
i += 4;
@@ -210,12 +249,12 @@
float bb[6];
INIT_MINMAX(bb, bb+3);
RE_rayobject_merge_bb( (RayObject*)o_child, bb, bb+3);
- copy_bb(node->bb+i*6, bb);
+ copy_bb(node->child_bb+i*6, bb);
break;
}
else
{
- copy_bb(node->bb+i*6, o_child->bb);
+ copy_bb(node->child_bb+i*6, o_child->bb);
}
}
assert( i == 0 );
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