static void draw_buffer(SmokeDomainSettings *sds, GPUShader *shader, const VolumeSlicer *slicer,
const float ob_sizei[3], const float invsize[3], const int num_points, const bool do_fire)
{
GPUTexture *tex_spec = (do_fire) ? create_flame_spectrum_texture() : NULL;
GLuint vertex_buffer;
glGenBuffers(1, &vertex_buffer);
glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer);
glBufferData(GL_ARRAY_BUFFER, sizeof(float) * 3 * num_points, &slicer->verts[0][0], GL_STATIC_DRAW);
bind_shader(sds, shader, tex_spec, do_fire, slicer->min, ob_sizei, invsize);
glEnableClientState(GL_VERTEX_ARRAY);
glVertexPointer(3, GL_FLOAT, 0, NULL);
glDrawArrays(GL_TRIANGLES, 0, num_points);
glDisableClientState(GL_VERTEX_ARRAY);
unbind_shader(sds, tex_spec, do_fire);
/* cleanup */
glBindBuffer(GL_ARRAY_BUFFER, 0);
glDeleteBuffers(1, &vertex_buffer);
}
void draw(GLProgram &s){
font->FaceSize(fontsize);
FTBBox textbox= font->BBox(text.c_str());
box.pos = pos;
float w = textbox.Upper().X() - textbox.Lower().X()+padding*2.0;
float h = textbox.Upper().Y() - textbox.Lower().Y()+ padding*2.0;
box.size = Vec2f(w,h);
box.draw(s);
unbind_shader();
font->FaceSize(fontsize*scale);
font->Render(text.c_str(),-1,FTPoint( ((pos.x - camera_x) + padding)*scale + window_width/2, ((pos.y - camera_y) + padding)*scale+ window_height/2));
bind_shader(s);
}
