optimizations to rendering

[xonotic/darkplaces.git] / gl_backend.c

diff --git a/gl_backend.c b/gl_backend.c
index aa4679e561a793d7697bcdc79d51e9045e87d5f7..dec7eebe82a5d0d35d32800df7712301d6747f4a 100644 (file)
--- a/gl_backend.c
+++ b/gl_backend.c
@@ -711,7 +711,7 @@ void GL_DrawRangeElements(int firstvert, int endvert, int indexcount, GLuint *in
 void R_Mesh_Render(void)
 {
        int i, k;
-       float *v, tempv[4];
+       float *v, tempv[4], m[12];
        buf_mesh_t *mesh;
 
        if (!backendactive)
@@ -743,10 +743,25 @@ void R_Mesh_Render(void)
        GL_MeshState(buf_mesh);
        for (k = 0, mesh = buf_mesh;k < currentmesh;k++, mesh++)
        {
+               m[0] = mesh->matrix.m[0][0];
+               m[1] = mesh->matrix.m[0][1];
+               m[2] = mesh->matrix.m[0][2];
+               m[3] = mesh->matrix.m[0][3];
+               m[4] = mesh->matrix.m[1][0];
+               m[5] = mesh->matrix.m[1][1];
+               m[6] = mesh->matrix.m[1][2];
+               m[7] = mesh->matrix.m[1][3];
+               m[8] = mesh->matrix.m[2][0];
+               m[9] = mesh->matrix.m[2][1];
+               m[10] = mesh->matrix.m[2][2];
+               m[11] = mesh->matrix.m[2][3];
                for (i = 0, v = buf_vertex[mesh->firstvert].v;i < mesh->verts;i++, v += 4)
                {
                        VectorCopy(v, tempv);
-                       Matrix4x4_Transform(&mesh->matrix, tempv, v);
+                       //Matrix4x4_Transform(&mesh->matrix, tempv, v);
+                       v[0] = tempv[0] * m[0] + tempv[1] * m[1] + tempv[2] * m[2] + m[3];
+                       v[1] = tempv[0] * m[4] + tempv[1] * m[5] + tempv[2] * m[6] + m[7];
+                       v[2] = tempv[0] * m[8] + tempv[1] * m[9] + tempv[2] * m[10] + m[11];
                }
        }
        GL_LockArray(0, currentvertex);