void vbo_draw(void)
{
if(vertex_buffer_count)
{
vbo_bind();
vbo_buffer_data(&vertex_buffer[0], VERTEX_SIZE * vertex_buffer_count);
glDrawArrays(vertex_draw_mode,0,vertex_buffer_count);
vertex_buffer_count = 0;
vbo_unbind();
}
}
void vbo_enable()
{
if(vertex_buffer_enabled)
return;
vbo_bind();
glEnableVertexAttribArray(POSITION_ATTR);
glVertexAttribPointer(POSITION_ATTR, 4, GL_FLOAT, false, VERTEX_SIZE, (GLvoid *) offsetof(VERTEX, x)); //Position
glEnableVertexAttribArray(COLOUR_ATTR);
glVertexAttribPointer(COLOUR_ATTR, 4, GL_UNSIGNED_BYTE, true, VERTEX_SIZE, (GLvoid *) offsetof(VERTEX, b)); //Colour
glEnableVertexAttribArray(TEXCOORD_0_ATTR);
glVertexAttribPointer(TEXCOORD_0_ATTR, 2, GL_FLOAT, false, VERTEX_SIZE, (GLvoid *) offsetof(VERTEX, coord[2])); //Tex0
glEnableVertexAttribArray(TEXCOORD_1_ATTR);
glVertexAttribPointer(TEXCOORD_1_ATTR, 2, GL_FLOAT, false, VERTEX_SIZE, (GLvoid *) offsetof(VERTEX, coord[0])); //Tex1
glEnableVertexAttribArray(FOG_ATTR);
glVertexAttribPointer(FOG_ATTR, 1, GL_FLOAT, false, VERTEX_SIZE, (GLvoid *) offsetof(VERTEX, f)); //Fog
vbo_unbind();
}
void display()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glLoadIdentity();
glPointSize(10.0f);
/* glTranslatef(0.0f,0.0f,-4.0f); */
/* glColor3f(0.0f,0.0f,1.0f); */
/* glBegin(GL_POINTS); */
/* glVertex2fv(shooter.pos); */
/* glEnd(); */
use(shader);
vbo_bind(vbo);
/* glPointSize(4.0); */
/* glBufferData(GL_ARRAY_BUFFER, sizeof(shooter.pos), shooter.pos, GL_DYNAMIC_DRAW); */
glEnableVertexAttribArray(shader.attrib[0]);
glVertexAttribPointer(shader.attrib[0], 2, GL_FLOAT, GL_FALSE, 0, 0);
glDrawArrays(GL_POINTS,0,1);
/* int size; */
/* glGetBufferParameteriv(GL_ELEMENT_ARRAY_BUFFER, GL_BUFFER_SIZE, &size); */
/* glDrawElements(GL_POINTS, size/sizeof(GLuint), GL_UNSIGNED_SHORT, 0); */
glDisableVertexAttribArray(shader.attrib[0]);
vbo_unbind();
glutSwapBuffers();
}
