SlimDXc_Jun2010(VC++2008)/source/direct3d11/InputAssemblerWrapper11.cpp

   1 #include "stdafx.h"
   2 /*
   3 * Copyright (c) 2007-2010 SlimDX Group
   4 *
   5 * Permission is hereby granted, free of charge, to any person obtaining a copy
   6 * of this software and associated documentation files (the "Software"), to deal
   7 * in the Software without restriction, including without limitation the rights
   8 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   9 * copies of the Software, and to permit persons to whom the Software is
  10 * furnished to do so, subject to the following conditions:
  11 *
  12 * The above copyright notice and this permission notice shall be included in
  13 * all copies or substantial portions of the Software.
  14 *
  15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  18 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  21 * THE SOFTWARE.
  22 */
  23
  24 #include <d3d11.h>
  25 #include <d3dx11.h>
  26
  27 #include "Buffer11.h"
  28 #include "InputAssemblerWrapper11.h"
  29 #include "InputLayout11.h"
  30
  31 using namespace System;
  32
  33 namespace SlimDX
  34 {
  35 namespace Direct3D11
  36 {
  37         InputAssemblerWrapper::InputAssemblerWrapper( ID3D11DeviceContext* device )
  38         {
  39                 if( device == 0 )
  40                         throw gcnew ArgumentNullException( "device" );
  41                 deviceContext = device;
  42         }
  43
  44         Direct3D11::InputLayout^ InputAssemblerWrapper::InputLayout::get()
  45         {
  46                 ID3D11InputLayout *layout;
  47                 deviceContext->IAGetInputLayout( &layout );
  48
  49                 return layout == NULL ? nullptr : Direct3D11::InputLayout::FromPointer( layout );
  50         }
  51
  52         void InputAssemblerWrapper::InputLayout::set( Direct3D11::InputLayout^ value )
  53         {
  54                 if( value == nullptr )
  55                         deviceContext->IASetInputLayout( 0 );
  56                 else
  57                         deviceContext->IASetInputLayout( value->InternalPointer );
  58         }
  59
  60         Direct3D11::PrimitiveTopology InputAssemblerWrapper::PrimitiveTopology::get()
  61         {
  62                 D3D11_PRIMITIVE_TOPOLOGY topo;
  63                 deviceContext->IAGetPrimitiveTopology( &topo );
  64
  65                 return static_cast<Direct3D11::PrimitiveTopology>( topo );
  66         }
  67
  68         void InputAssemblerWrapper::PrimitiveTopology::set( Direct3D11::PrimitiveTopology value )
  69         {
  70                 deviceContext->IASetPrimitiveTopology( static_cast<D3D11_PRIMITIVE_TOPOLOGY>( value ) );
  71         }
  72
  73         void InputAssemblerWrapper::SetIndexBuffer( Buffer^ indexBuffer, DXGI::Format format, int offset )
  74         {
  75                 if( indexBuffer == nullptr )
  76                 {
  77                         deviceContext->IASetIndexBuffer( 0, DXGI_FORMAT_UNKNOWN, 0 );
  78                 }
  79                 else
  80                 {
  81                         deviceContext->IASetIndexBuffer( static_cast<ID3D11Buffer*>( indexBuffer->InternalPointer ), static_cast<DXGI_FORMAT>( format ), offset );
  82                 }
  83         }
  84
  85         void InputAssemblerWrapper::GetIndexBuffer( [Out] Buffer^ %indexBuffer, [Out] DXGI::Format %format, [Out] int %offset )
  86         {
  87                 ID3D11Buffer *buffer;
  88                 DXGI_FORMAT nativeFormat;
  89                 UINT nativeOffset;
  90
  91                 deviceContext->IAGetIndexBuffer( &buffer, &nativeFormat, &nativeOffset );
  92
  93                 indexBuffer = Buffer::FromPointer( buffer );
  94                 format = static_cast<DXGI::Format>( nativeFormat );
  95                 offset = nativeOffset;
  96         }
  97
  98         void InputAssemblerWrapper::SetVertexBuffers( int slot, VertexBufferBinding vertexBufferBinding )
  99         {
 100                 ID3D11Buffer* buffers[] = { static_cast<ID3D11Buffer*>( vertexBufferBinding.Buffer == nullptr ? 0 : vertexBufferBinding.Buffer->InternalPointer ) };
 101                 UINT strides[] = { vertexBufferBinding.Stride };
 102                 UINT offsets[] = { vertexBufferBinding.Offset };
 103
 104                 deviceContext->IASetVertexBuffers( slot, 1, buffers, strides, offsets );
 105         }
 106
 107         void InputAssemblerWrapper::SetVertexBuffers( int firstSlot, ... array<VertexBufferBinding>^ vertexBufferBinding )
 108         {
 109                 ID3D11Buffer* buffers[D3D11_IA_VERTEX_INPUT_RESOURCE_SLOT_COUNT];
 110                 UINT strides[D3D11_IA_VERTEX_INPUT_RESOURCE_SLOT_COUNT];
 111                 UINT offsets[D3D11_IA_VERTEX_INPUT_RESOURCE_SLOT_COUNT];
 112
 113                 for( int i = 0; i < vertexBufferBinding->Length; ++i )
 114                 {
 115                         buffers[i] = vertexBufferBinding[ i ].Buffer == nullptr ? 0 : static_cast<ID3D11Buffer*>( vertexBufferBinding[ i ].Buffer->InternalPointer );
 116                         strides[i] = vertexBufferBinding[ i ].Stride;
 117                         offsets[i] = vertexBufferBinding[ i ].Offset;
 118                 }
 119
 120                 deviceContext->IASetVertexBuffers( firstSlot, vertexBufferBinding->Length, buffers, strides, offsets );
 121         }
 122
 123         array<VertexBufferBinding>^ InputAssemblerWrapper::GetVertexBuffers( int firstSlot, int count )
 124         {
 125                 ID3D11Buffer* buffers[D3D11_IA_VERTEX_INPUT_RESOURCE_SLOT_COUNT];
 126                 UINT strides[D3D11_IA_VERTEX_INPUT_RESOURCE_SLOT_COUNT];
 127                 UINT offsets[D3D11_IA_VERTEX_INPUT_RESOURCE_SLOT_COUNT];
 128                 array<VertexBufferBinding>^ results = gcnew array<VertexBufferBinding>( count );
 129
 130                 deviceContext->IAGetVertexBuffers( firstSlot, count, buffers, strides, offsets );
 131
 132                 for( int i = 0; i < count; ++i )
 133                 {
 134                         results[i].Buffer = buffers[i] == NULL ? nullptr : Buffer::FromPointer( buffers[i] );
 135                         results[i].Stride = strides[i];
 136                         results[i].Offset = offsets[i];
 137                 }
 138
 139                 return results;
 140         }
 141 }
 142 }