1 #include <msp/gl/extensions/arb_vertex_array_object.h>
2 #include <msp/gl/extensions/arb_vertex_buffer_object.h>
3 #include <msp/gl/extensions/arb_vertex_shader.h>
6 #include "vertexarray.h"
7 #include "vertexsetup.h"
12 VertexSetup::VertexSetup():
17 static Require req(ARB_vertex_array_object);
18 glGenVertexArrays(1, &id);
21 VertexSetup::~VertexSetup()
25 glDeleteVertexArrays(1, &id);
28 void VertexSetup::set_vertex_array(const VertexArray &a)
34 void VertexSetup::set_index_buffer(const Buffer &ibuf)
40 void VertexSetup::update() const
48 Bind bind_vbuf(array->get_buffer(), ARRAY_BUFFER);
50 const VertexFormat &fmt = array->get_format();
51 unsigned stride = get_stride(fmt)*sizeof(float);
53 for(const unsigned char *c=fmt.begin(); c!=fmt.end(); ++c)
55 unsigned t = get_component_type(*c);
56 if(t>=get_component_type(ATTRIB1))
57 t -= get_component_type(ATTRIB1);
58 unsigned sz = get_component_size(*c);
60 glVertexAttribPointer(t, 4, GL_UNSIGNED_BYTE, true, stride, ptr);
62 glVertexAttribPointer(t, sz, GL_FLOAT, false, stride, ptr);
63 glEnableVertexAttribArray(t);
67 glBindBuffer(ELEMENT_ARRAY_BUFFER, index_buffer->get_id());
70 void VertexSetup::bind() const
74 glBindVertexArray(id);
83 void VertexSetup::unbind()