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Part: reduce memory usage in SoBrepFaceSet

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Can we further reduce it to num_triangles = num_indices/4*3?
This commit is contained in:
Zheng, Lei
2019-10-16 15:32:05 +08:00
committed by wmayer
parent 17b65d536b
commit 927bec9e96
1 changed files with 3 additions and 3 deletions
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6
src/Mod/Part/Gui/SoBrepFaceSet.cpp
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@@ -1452,7 +1452,7 @@ void SoBrepFaceSet::VBO::render(SoGLRenderAction * action,
}
if ((buf.vertex_array_size != (sizeof(float) * num_indices * 10)) ||
(buf.index_array_size != (sizeof(GLuint) * num_indices * 3))) {
(buf.index_array_size != (sizeof(GLuint) * num_indices))) {
if ((buf.vertex_array_size != 0 ) && ( buf.index_array_size != 0))
buf.updateVbo = true;
}
@@ -1478,9 +1478,9 @@ void SoBrepFaceSet::VBO::render(SoGLRenderAction * action,
glDeleteBuffersARB(2, buf.myvbo);
glGenBuffersARB(2, buf.myvbo);
vertex_array = ( float * ) malloc ( sizeof(float) * num_indices * 10 );
index_array = ( GLuint *) malloc ( sizeof(GLuint) * num_indices * 3 );
index_array = ( GLuint *) malloc ( sizeof(GLuint) * num_indices );
buf.vertex_array_size = sizeof(float) * num_indices * 10;
buf.index_array_size = sizeof(GLuint) * num_indices * 3;
buf.index_array_size = sizeof(GLuint) * num_indices;
this->vbomap[contextId] = buf;
this->indice_array = 0;