tr_model_skel: parallel MD5 model loading

Author: illwieckz

src/engine/renderer/tr_model_skel.cpp

@@ -22,6 +22,7 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
 // tr_models.c -- model loading and caching
 #include "tr_local.h"
+#include "framework/Omp.h"
 #include "GLUtils.h"
 
 bool R_AddTriangleToVBOTriangleList(
@@ -103,8 +104,6 @@ srfVBOMD5Mesh_t *R_GenerateMD5VBOSurface(
 	Str::StringRef surfName, const std::vector<skelTriangle_t> &vboTriangles,
 	md5Model_t *md5, md5Surface_t *surf, int skinIndex, int boneReferences[ MAX_BONES ] )
 {
-	int             j;
-
 	int             vertexesNum;
 
 	int             indexesNum;
@@ -133,7 +132,7 @@ srfVBOMD5Mesh_t *R_GenerateMD5VBOSurface(
 	memset( vboSurf->boneRemap, 0, sizeof( vboSurf->boneRemap ) );
 	memset( vboSurf->boneRemapInverse, 0, sizeof( vboSurf->boneRemapInverse ) );
 
-	for ( j = 0; j < MAX_BONES; j++ )
+	for ( size_t j = 0; j < MAX_BONES; j++ )
 	{
 		if ( boneReferences[ j ] > 0 )
 		{
@@ -154,7 +153,7 @@ srfVBOMD5Mesh_t *R_GenerateMD5VBOSurface(
 		}
 	}
 
-	for ( j = 0; j < vertexesNum; j++ )
+	auto task = [&]( const size_t& j ) -> void
 	{
 		R_TBNtoQtangents( surf->verts[ j ].tangent, surf->verts[ j ].binormal,
 		                  surf->verts[ j ].normal, qtangents[ j ] );
@@ -171,7 +170,9 @@ srfVBOMD5Mesh_t *R_GenerateMD5VBOSurface(
 				boneFactors[ j ][ k ] = 0;
 			}
 		}
-	}
+	};
+
+	Omp::Tasker( task, vertexesNum );
 
 	// MD5 does not have color, but shaders always require the color vertex attribute, so we have
 	// to provide this 0 color.