bool createIB(const Microsoft::WRL::ComPtr<ID3D11Device> &pDevice)
{
unsigned int pIndices[] =
{
0, 1, 2, 2, 3, 0,
4, 5, 6, 6, 7, 4,
8, 9, 10, 10, 11, 8,
12, 13, 14, 14, 15, 12,
16, 17, 18, 18, 19, 16,
20, 21, 22, 22, 23, 20,
};
unsigned int isize = sizeof(pIndices);
m_indices = isize / sizeof(pIndices[0]);
D3D11_BUFFER_DESC idesc;
ZeroMemory(&idesc, sizeof(idesc));
idesc.ByteWidth = isize;
idesc.Usage = D3D11_USAGE_DEFAULT;
idesc.BindFlags = D3D11_BIND_INDEX_BUFFER;
idesc.CPUAccessFlags = 0;
D3D11_SUBRESOURCE_DATA indexData;
ZeroMemory(&indexData, sizeof(indexData));
indexData.pSysMem = pIndices;
HRESULT hr = pDevice->CreateBuffer(&idesc, &indexData, m_pIndexBuf.GetAddressOf());
if (FAILED(hr)){
return false;
}
return true;
}
bool createVB(const Microsoft::WRL::ComPtr<ID3D11Device> &pDevice)
{
// Create VB
auto size = 0.5f;
Vertex pVertices[] =
{
// x
{ DirectX::XMFLOAT4(-size, -size, -size, 1.0f), DirectX::XMFLOAT4(0.5f, 0.0f, 0.0f, 1.0f), DirectX::XMFLOAT2(0, 1) },
{ DirectX::XMFLOAT4(-size, -size, size, 1.0f), DirectX::XMFLOAT4(0.5f, 0.0f, 0.0f, 1.0f), DirectX::XMFLOAT2(0, 0) },
{ DirectX::XMFLOAT4(-size, size, size, 1.0f), DirectX::XMFLOAT4(0.5f, 0.0f, 0.0f, 1.0f), DirectX::XMFLOAT2(1, 0) },
{ DirectX::XMFLOAT4(-size, size, -size, 1.0f), DirectX::XMFLOAT4(0.5f, 0.0f, 0.0f, 1.0f), DirectX::XMFLOAT2(1, 1) },
{ DirectX::XMFLOAT4(size, -size, -size, 1.0f), DirectX::XMFLOAT4(1.0f, 0.0f, 0.0f, 1.0f), DirectX::XMFLOAT2(0, 1) },
{ DirectX::XMFLOAT4(size, size, -size, 1.0f), DirectX::XMFLOAT4(1.0f, 0.0f, 0.0f, 1.0f), DirectX::XMFLOAT2(1, 1) },
{ DirectX::XMFLOAT4(size, size, size, 1.0f), DirectX::XMFLOAT4(1.0f, 0.0f, 0.0f, 1.0f), DirectX::XMFLOAT2(1, 0) },
{ DirectX::XMFLOAT4(size, -size, size, 1.0f), DirectX::XMFLOAT4(1.0f, 0.0f, 0.0f, 1.0f), DirectX::XMFLOAT2(0, 0) },
// y
{ DirectX::XMFLOAT4(-size, size, -size, 1.0f), DirectX::XMFLOAT4(0.0f, 1.0f, 0.0f, 1.0f), DirectX::XMFLOAT2(0, 1) },
{ DirectX::XMFLOAT4(-size, size, size, 1.0f), DirectX::XMFLOAT4(0.0f, 1.0f, 0.0f, 1.0f), DirectX::XMFLOAT2(0, 0) },
{ DirectX::XMFLOAT4(size, size, size, 1.0f), DirectX::XMFLOAT4(0.0f, 1.0f, 0.0f, 1.0f), DirectX::XMFLOAT2(1, 0) },
{ DirectX::XMFLOAT4(size, size, -size, 1.0f), DirectX::XMFLOAT4(0.0f, 1.0f, 0.0f, 1.0f), DirectX::XMFLOAT2(1, 1) },
{ DirectX::XMFLOAT4(-size, -size, -size, 1.0f), DirectX::XMFLOAT4(0.0f, 0.5f, 0.0f, 1.0f), DirectX::XMFLOAT2(0, 1) },
{ DirectX::XMFLOAT4(size, -size, -size, 1.0f), DirectX::XMFLOAT4(0.0f, 0.5f, 0.0f, 1.0f), DirectX::XMFLOAT2(1, 1) },
{ DirectX::XMFLOAT4(size, -size, size, 1.0f), DirectX::XMFLOAT4(0.0f, 0.5f, 0.0f, 1.0f), DirectX::XMFLOAT2(1, 0) },
{ DirectX::XMFLOAT4(-size, -size, size, 1.0f), DirectX::XMFLOAT4(0.0f, 0.5f, 0.0f, 1.0f), DirectX::XMFLOAT2(0, 0) },
// z
{ DirectX::XMFLOAT4(-size, -size, -size, 1.0f), DirectX::XMFLOAT4(0.0f, 0.0f, 0.5f, 1.0f), DirectX::XMFLOAT2(0, 1) },
{ DirectX::XMFLOAT4(-size, size, -size, 1.0f), DirectX::XMFLOAT4(0.0f, 0.0f, 0.5f, 1.0f), DirectX::XMFLOAT2(0, 0) },
{ DirectX::XMFLOAT4(size, size, -size, 1.0f), DirectX::XMFLOAT4(0.0f, 0.0f, 0.5f, 1.0f), DirectX::XMFLOAT2(1, 0) },
{ DirectX::XMFLOAT4(size, -size, -size, 1.0f), DirectX::XMFLOAT4(0.0f, 0.0f, 0.5f, 1.0f), DirectX::XMFLOAT2(1, 1) },
{ DirectX::XMFLOAT4(-size, -size, size, 1.0f), DirectX::XMFLOAT4(0.0f, 0.0f, 1.0f, 1.0f), DirectX::XMFLOAT2(0, 1) },
{ DirectX::XMFLOAT4(size, -size, size, 1.0f), DirectX::XMFLOAT4(0.0f, 0.0f, 1.0f, 1.0f), DirectX::XMFLOAT2(1, 1) },
{ DirectX::XMFLOAT4(size, size, size, 1.0f), DirectX::XMFLOAT4(0.0f, 0.0f, 1.0f, 1.0f), DirectX::XMFLOAT2(1, 0) },
{ DirectX::XMFLOAT4(-size, size, size, 1.0f), DirectX::XMFLOAT4(0.0f, 0.0f, 1.0f, 1.0f), DirectX::XMFLOAT2(0, 0) },
};
unsigned int vsize = sizeof(pVertices);
D3D11_BUFFER_DESC vdesc;
ZeroMemory(&vdesc, sizeof(vdesc));
vdesc.ByteWidth = vsize;
vdesc.Usage = D3D11_USAGE_DEFAULT;
vdesc.BindFlags = D3D11_BIND_VERTEX_BUFFER;
vdesc.CPUAccessFlags = 0;
D3D11_SUBRESOURCE_DATA vertexData;
ZeroMemory(&vertexData, sizeof(vertexData));
vertexData.pSysMem = pVertices;
HRESULT hr = pDevice->CreateBuffer(&vdesc, &vertexData, m_pVertexBuf.GetAddressOf());
if (FAILED(hr)){
return false;
}
return true;
}
void Cube::Create(Microsoft::WRL::ComPtr<ID3D11Device1> &d3dDevice)
{
VertexPositionColor cubeVertices[] =
{
{XMFLOAT3(-0.5f, -0.5f, -0.5f), XMFLOAT3(0.0f, 0.0f, 0.0f)},
{XMFLOAT3(-0.5f, -0.5f, 0.5f), XMFLOAT3(0.0f, 0.0f, 1.0f)},
{XMFLOAT3(-0.5f, 0.5f, -0.5f), XMFLOAT3(0.0f, 1.0f, 0.0f)},
{XMFLOAT3(-0.5f, 0.5f, 0.5f), XMFLOAT3(0.0f, 1.0f, 1.0f)},
{XMFLOAT3( 0.5f, -0.5f, -0.5f), XMFLOAT3(1.0f, 0.0f, 0.0f)},
{XMFLOAT3( 0.5f, -0.5f, 0.5f), XMFLOAT3(1.0f, 0.0f, 1.0f)},
{XMFLOAT3( 0.5f, 0.5f, -0.5f), XMFLOAT3(1.0f, 1.0f, 0.0f)},
{XMFLOAT3( 0.5f, 0.5f, 0.5f), XMFLOAT3(1.0f, 1.0f, 1.0f)},
};
D3D11_SUBRESOURCE_DATA vertexBufferData = {0};
vertexBufferData.pSysMem = cubeVertices;
vertexBufferData.SysMemPitch = 0;
vertexBufferData.SysMemSlicePitch = 0;
DX::ThrowIfFailed(
d3dDevice->CreateBuffer(
&CD3D11_BUFFER_DESC(sizeof(cubeVertices), D3D11_BIND_VERTEX_BUFFER),
&vertexBufferData,
&m_vertexBuffer
)
);
unsigned short cubeIndices[] =
{
0,2,1, // -x
1,2,3,
4,5,6, // +x
5,7,6,
0,1,5, // -y
0,5,4,
2,6,7, // +y
2,7,3,
0,4,6, // -z
0,6,2,
1,3,7, // +z
1,7,5,
};
m_indexCount = ARRAYSIZE(cubeIndices);
D3D11_SUBRESOURCE_DATA indexBufferData = {0};
indexBufferData.pSysMem = cubeIndices;
indexBufferData.SysMemPitch = 0;
indexBufferData.SysMemSlicePitch = 0;
DX::ThrowIfFailed(
d3dDevice->CreateBuffer(
&CD3D11_BUFFER_DESC(sizeof(cubeVertices), D3D11_BIND_INDEX_BUFFER),
&indexBufferData,
&m_indexBuffer
)
);
}
void glBufferData(GLenum target, GLsizeiptr size, const GLvoid* data, GLenum usage)
{
if( g_pD3DDevice == 0 )
{
LOGInfo( LOGTag, "Trying to initialize a buffer before d3d is initialized!\n" );
return;
}
int buffer = -1;
if( target == GL_ARRAY_BUFFER )
buffer = g_ActiveBufferObject_Array;
else if( target == GL_ELEMENT_ARRAY_BUFFER )
buffer = g_ActiveBufferObject_ElementArray;
if( buffer == -1 )
return;
assert( g_D3DBufferObjects[buffer].m_InUse == true );
if( g_D3DBufferObjects[buffer].m_Buffer == 0 )
{
D3D11_BUFFER_DESC BufferDesc;
// TODO: handle usage
BufferDesc.Usage = D3D11_USAGE_DYNAMIC;
BufferDesc.ByteWidth = size;
if( target == GL_ARRAY_BUFFER )
BufferDesc.BindFlags = D3D11_BIND_VERTEX_BUFFER;
else if( target == GL_ELEMENT_ARRAY_BUFFER )
BufferDesc.BindFlags = D3D11_BIND_INDEX_BUFFER;
BufferDesc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
BufferDesc.MiscFlags = 0;
BufferDesc.StructureByteStride = 0;
// Now create the vertex buffer.
HRESULT result = g_pD3DDevice->CreateBuffer( &BufferDesc, 0, &g_D3DBufferObjects[buffer].m_Buffer );
if( FAILED(result) )
return;
}
// set the buffer data:
if( data != 0 )
{
D3D11_MAPPED_SUBRESOURCE mappedResource;
// Lock the vertex buffer so it can be written to.
HRESULT result = g_pD3DContext->Map( g_D3DBufferObjects[buffer].m_Buffer.Get(), 0, D3D11_MAP_WRITE_DISCARD, 0, &mappedResource );
if( FAILED(result) )
return;
// Get a pointer to the data in the vertex buffer.
void* verticesPtr = (void*)mappedResource.pData;
// Copy the data into the vertex buffer.
memcpy( verticesPtr, (void*)data, size );
// Unlock the vertex buffer.
g_pD3DContext->Unmap( g_D3DBufferObjects[buffer].m_Buffer.Get(), 0 );
}
}