//
// Draw an axis aligned bounding box
//
void OutlineBox(const BoundingBox &box, const Vector &v, Color c)
{
v;
VertexTL verts[8];
SetupVerts(verts, box, c);
RenderBoxEdges(verts);
}
//
// Draw an arbitrarily aligned bounding box
//
void OutlineBox(const BoundingBox &box, const Matrix &m, Color c)
{
VertexTL verts[8];
SetupVerts(verts, box, c);
RenderBoxEdges(verts, &m);
}
static void Init( void )
{
GLint errno;
GLuint prognum;
int color_size = 4;
static const char *prog1 =
"!!ARBvp1.0\n"
"PARAM mvp[4] = {state.matrix.mvp};\n"
"DP4 result.position.x, vertex.position, mvp[0]; \n"
"DP4 result.position.y, vertex.position, mvp[1]; \n"
"DP4 result.position.z, vertex.position, mvp[2]; \n"
"DP4 result.position.w, vertex.position, mvp[3]; \n"
"MOV result.color, vertex.color;\n"
"END\n";
#ifndef GL_ARB_vertex_type_2_10_10_10_rev
fprintf(stderr,"built without ARB_vertex_type_2_10_10_10_rev\n");
exit(1);
#endif
if (!glutExtensionSupported("GL_ARB_vertex_type_2_10_10_10_rev")){
fprintf(stderr,"requires ARB_vertex_type_2_10_10_10_rev\n");
exit(1);
}
glGenProgramsARB(1, &prognum);
glBindProgramARB(GL_VERTEX_PROGRAM_ARB, prognum);
glProgramStringARB(GL_VERTEX_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
strlen(prog1), (const GLubyte *) prog1);
assert(glIsProgramARB(prognum));
errno = glGetError();
if (errno != GL_NO_ERROR)
{
GLint errorpos;
glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &errorpos);
printf("errorpos: %d\n", errorpos);
printf("%s\n", (char *)glGetString(GL_PROGRAM_ERROR_STRING_ARB));
}
glEnableClientState( GL_VERTEX_ARRAY );
glEnableClientState( GL_COLOR_ARRAY );
SetupVerts();
glGenBuffersARB(1, &arrayObj);
glBindBufferARB(GL_ARRAY_BUFFER_ARB, arrayObj);
glBufferDataARB(GL_ARRAY_BUFFER_ARB, sizeof(verts), verts, GL_STATIC_DRAW_ARB);
if (bgra)
color_size = GL_BGRA;
#ifdef GL_ARB_vertex_type_2_10_10_10_rev
glVertexPointer( 4, GL_INT_2_10_10_10_REV, sizeof(verts[0]), 0 );
glColorPointer( color_size, GL_UNSIGNED_INT_2_10_10_10_REV, sizeof(verts[0]), (void *)(sizeof(unsigned int)) );
#endif
}