source/core/uniformblock.cpp

   1 #include <msp/gl/extensions/arb_shader_objects.h>
   2 #include <msp/gl/extensions/arb_uniform_buffer_object.h>
   3 #include "buffer.h"
   4 #include "color.h"
   5 #include "deviceinfo.h"
   6 #include "error.h"
   7 #include "matrix.h"
   8 #include "uniform.h"
   9 #include "uniformblock.h"
  10 #include "vector.h"
  11
  12 namespace Msp {
  13 namespace GL {
  14
  15 UniformBlock::UniformBlock(const ReflectData::UniformBlockInfo &info):
  16         data(info.data_size)
  17 {
  18         static Require _req(ARB_shader_objects);
  19         if(info.bind_point>=0)
  20                 static Require _req2(ARB_uniform_buffer_object);
  21 }
  22
  23 unsigned UniformBlock::get_alignment() const
  24 {
  25         return Limits::get_global().uniform_buffer_alignment;
  26 }
  27
  28 void UniformBlock::store(const ReflectData::UniformInfo &info, const Uniform &uni)
  29 {
  30         if(info.block->bind_point<0)
  31         {
  32                 if(info.location<0)
  33                         return;
  34                 uni.store(info, &data[info.location*16]);
  35         }
  36         else
  37                 uni.store(info, &data[info.offset]);
  38         dirty = true;
  39 }
  40
  41 } // namespace GL
  42 } // namespace Msp