roast_ex/include/roast/graphics/directx/dx10/buffer.hpp

   1 //      Roast+ License
   2
   3 #ifndef __SFJP_ROAST_EX__graphics__directx__dx10__buffer_HPP__
   4 #define __SFJP_ROAST_EX__graphics__directx__dx10__buffer_HPP__
   5
   6 #include "roast/graphics/directx/dx10/device.hpp"
   7 #include "roast/graphics/directx/shader_param.hpp"      //      Hmm...
   8
   9 namespace roast
  10 {
  11         namespace directx
  12         {
  13                 namespace dx10
  14                 {
  15                         namespace graphics
  16                         {
  17                                 ///////////////////////////////////////////////////////////////////////////
  18
  19                                 class buffer : /*public buffer_base,*/ protected iunknown_<::ID3D10Buffer>
  20                                 {
  21                                 public:
  22                                         typedef ::ID3D10Buffer _BufferT, _IfType;
  23                                         enum exception_codes
  24                                         {
  25                                                 exception_codes__head = exception_code_root::buffer,
  26
  27                                                 buffer__CreateBuffer_Failed
  28                                         };
  29                                 protected:
  30                                         device& m_dev;
  31
  32                                 public:
  33                                         buffer(device &d, D3D10_BIND_FLAG buffer_type, unsigned int size, const void* initial_data=NULL,
  34                                                 ::D3D10_USAGE access=D3D10_USAGE_DEFAULT, UINT cpu_access=0,
  35                                                 UINT memory_pitch=0, UINT slice_pitch=0, UINT misc_flags=0) : m_dev(d)
  36                                         {
  37                                                 ::D3D10_BUFFER_DESC bufdesc;
  38                                                 //::ZeroMemory( &bufdesc, sizeof(bufdesc) );
  39                                                 bufdesc.BindFlags = buffer_type;
  40                                                 bufdesc.ByteWidth = size;
  41                                                 bufdesc.Usage = access;
  42                                                 bufdesc.CPUAccessFlags = (D3D10_CPU_ACCESS_FLAG)cpu_access;
  43                                                 bufdesc.MiscFlags = misc_flags;
  44
  45                                                 ::D3D10_SUBRESOURCE_DATA srdata;
  46                                                 srdata.pSysMem = initial_data;
  47                                                 srdata.SysMemPitch = memory_pitch;
  48                                                 srdata.SysMemSlicePitch = slice_pitch;
  49
  50                                                 ::HRESULT hr = m_dev.get_id3d_device_ptr()->CreateBuffer( &bufdesc, &srdata, &m_if );
  51                                                 if ( hr != D3D_OK ){
  52                                                         throw api_error(buffer__CreateBuffer_Failed,
  53                                                                 "ID3D10Device::CreateBuffer() Failed.", hr);
  54                                                 }
  55                                         }
  56
  57                                         ///////////////
  58
  59
  60                                         //////////////////////////////////////////////////////////////////////////////
  61
  62                                         _BufferT* get_buffer_ptr(){ return get_internal_ptr(); }
  63                                         const _BufferT* get_buffer_ptr() const { return get_internal_ptr(); }
  64                                 };
  65
  66                                 ///////////////////////////////////////////////////////////////////////////
  67
  68                                 template <typename VERTEX_TYPE>
  69                                 class input_vertex_buffer : public buffer
  70                                 {
  71                                 public:
  72                                         input_vertex_buffer(device &d, const VERTEX_TYPE* initial_data, unsigned int size) : buffer(d,D3D10_BIND_VERTEX_BUFFER,size,initial_data){}
  73                                 };
  74
  75                                 ///////////////////////////////////////////////////////////////////////////
  76                         }
  77                 }
  78         }
  79 }
  80
  81 #endif//__SFJP_ROAST_EX__graphics__directx__dx10__buffer_HPP__