void OpenGLRenderer::drawVertexBuffer(VertexBuffer *buffer, bool enableColorBuffer) {
OpenGLVertexBuffer *glVertexBuffer = (OpenGLVertexBuffer*)buffer;
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
glEnableClientState(GL_NORMAL_ARRAY);
if(enableColorBuffer) {
glEnableClientState(GL_COLOR_ARRAY);
glBindBufferARB( GL_ARRAY_BUFFER_ARB, glVertexBuffer->getColorBufferID());
glColorPointer( 4, GL_FLOAT, 0, (char *) NULL );
}
glBindBufferARB( GL_ARRAY_BUFFER_ARB, glVertexBuffer->getVertexBufferID());
glVertexPointer( 3, GL_FLOAT, 0, (char *) NULL );
glBindBufferARB( GL_ARRAY_BUFFER_ARB, glVertexBuffer->getNormalBufferID());
glNormalPointer(GL_FLOAT, 0, (char *) NULL );
glBindBufferARB( GL_ARRAY_BUFFER_ARB, glVertexBuffer->getTextCoordBufferID());
glTexCoordPointer( 2, GL_FLOAT, 0, (char *) NULL );
glBindBufferARB( GL_ARRAY_BUFFER_ARB, glVertexBuffer->getTangentBufferID());
glEnableVertexAttribArrayARB(6);
glVertexAttribPointer(6, 3, GL_FLOAT, 0, 0, (char *)NULL);
GLenum mode = GL_TRIANGLES;
switch(buffer->meshType) {
case Mesh::TRI_MESH:
mode = GL_TRIANGLES;
break;
case Mesh::TRIFAN_MESH:
mode = GL_TRIANGLE_FAN;
break;
case Mesh::QUAD_MESH:
mode = GL_QUADS;
break;
case Mesh::LINE_STRIP_MESH:
mode = GL_LINE_STRIP;
break;
case Mesh::LINE_LOOP_MESH:
mode = GL_LINE_LOOP;
break;
case Mesh::LINE_MESH:
mode = GL_LINES;
break;
case Mesh::POINT_MESH:
mode = GL_POINTS;
break;
}
glDrawArrays( mode, 0, buffer->getVertexCount() );
glDisableClientState( GL_VERTEX_ARRAY);
glDisableClientState( GL_TEXTURE_COORD_ARRAY );
glDisableClientState( GL_NORMAL_ARRAY );
if(enableColorBuffer) {
glDisableClientState( GL_COLOR_ARRAY );
}
}
