__attribute__((visibility("default"))) ovrTextureSwapChain *vrapi_CreateTextureSwapChain(
ovrTextureType type, ovrTextureFormat format, int width, int height, int levels, bool buffered)
{
if(vrapi_hooks.vrapi_CreateTextureSwapChain_real == NULL ||
vrapi_hooks.vrapi_GetTextureSwapChainHandle_real == NULL ||
vrapi_hooks.vrapi_GetTextureSwapChainLength_real == NULL)
{
vrapi_hooks.SetupHooks();
}
ovrTextureSwapChain *texture_swapchain =
vrapi_hooks.vrapi_CreateTextureSwapChain_real(type, format, width, height, levels, buffered);
if(m_GLDriver)
{
int tex_count = vrapi_hooks.vrapi_GetTextureSwapChainLength_real(texture_swapchain);
SCOPED_LOCK(glLock);
for(int i = 0; i < tex_count; ++i)
{
GLuint tex = vrapi_hooks.vrapi_GetTextureSwapChainHandle_real(texture_swapchain, i);
GLenum internalformat = GetInternalFormat(format);
GLenum textureType = GetTextureType(type);
gl_CurChunk = GLChunk::vrapi_CreateTextureSwapChain;
m_GLDriver->CreateVRAPITextureSwapChain(tex, textureType, internalformat, width, height,
levels);
}
}
return texture_swapchain;
}
//------------------------------------------------------------------------------------
void D3D11Texture::CreateDSV()
{
_AST(GetTextureType() == eTextureType_2D);
D3D11_DEPTH_STENCIL_VIEW_DESC descDSV;
ZeroMemory( &descDSV, sizeof(descDSV) );
descDSV.Format = DXGI_FORMAT_D32_FLOAT;
descDSV.ViewDimension = D3D11_DSV_DIMENSION_TEXTURE2D;
descDSV.Flags = 0;
descDSV.Texture2D.MipSlice=0;
HRESULT hr = S_OK;
V(g_pRenderSys->GetDevice()->CreateDepthStencilView(m_pTexture2D, &descDSV, &m_pDSV));
}
void CheckStar(_lp_vertex star, int idx)
{
if (idx < _num_stars)
{
star->z++;
if (star->z > nearest)
{
star->x = (rand() % Width) - (Width / 2);
star->y = (rand() % Height) - (Height / 2);
star->z = (rand() % nearest);
star->tex_type = -1; //set to not have texture by default
star->id = -1;
int sidx = (rand() % GetTextureCount());
if (GetTextureCount() == 1)
sidx = 0;
star->tex_type = GetTextureType(sidx);
star->id = GetTextureID(sidx);
}
}
}
//--------------------------------------------------------------------------
D3D11Texture::D3D11Texture(const STRING& filename, eTextureType type, uint32 usage, bool bSRGB)
: Texture(type, 0, 0, 0, ePF_Unknown, usage, true)
, m_pTexture2D(nullptr)
, m_pTexture3D(nullptr)
, m_pRTV(nullptr)
, m_pSRV(nullptr)
, m_pDSV(nullptr)
, m_pTexStaging(nullptr)
{
////////////////////////////////////////////////////////////////
////////////// Load texture
HRESULT hr = S_OK;
D3DX11_IMAGE_LOAD_INFO loadInfo;
loadInfo.MipLevels = 0;
loadInfo.BindFlags = 0;
loadInfo.Format = DXGI_FORMAT_FROM_FILE;
ID3D11Resource** pTex = nullptr;
switch (GetTextureType())
{
case eTextureType_2D:
{
pTex = (ID3D11Resource**)&m_pTexture2D;
if (usage & eTextureUsage_ReadWrite)
{
loadInfo.Usage = D3D11_USAGE_STAGING;
loadInfo.CpuAccessFlags = D3D11_CPU_ACCESS_WRITE | D3D11_CPU_ACCESS_READ;
}
}
break;
case eTextureType_CubeMap:
{
loadInfo.MiscFlags = D3D11_RESOURCE_MISC_TEXTURECUBE;
pTex = (ID3D11Resource**)&m_pTexture2D;
}
break;
case eTextureType_3D:
{
pTex = (ID3D11Resource**)&m_pTexture3D;
}
break;
default: _AST(0);
}
if (filename.find(".dds") != STRING::npos)
{
if (usage & eTextureUsage_ReadWrite)
{
V(DirectX::CreateDDSTextureFromFileEx(g_pRenderSys->GetDevice(), EngineToUnicode(filename).c_str(),
4096, D3D11_USAGE_STAGING, 0, D3D11_CPU_ACCESS_READ, 0, bSRGB, pTex, nullptr));
}
else
{
V(DirectX::CreateDDSTextureFromFileEx(g_pRenderSys->GetDevice(), EngineToUnicode(filename).c_str(),
4096, D3D11_USAGE_DEFAULT, D3D11_BIND_SHADER_RESOURCE, 0, 0, bSRGB, pTex, &m_pSRV));
}
}
else
{
V(D3DX11CreateTextureFromFileA(g_pRenderSys->GetDevice(), filename.c_str(), &loadInfo, nullptr, pTex, nullptr));
if (!(usage & eTextureUsage_ReadWrite))
{
CreateSRV();
}
}
// Store texture dimension and format
switch (GetTextureType())
{
case eTextureType_2D:
case eTextureType_CubeMap:
{
D3D11_TEXTURE2D_DESC desc;
m_pTexture2D->GetDesc(&desc);
m_width = desc.Width;
m_height = desc.Height;
m_texFormat = ConvertFromDXFormat(desc.Format);
}
break;
case eTextureType_3D:
{
D3D11_TEXTURE3D_DESC desc;
m_pTexture3D->GetDesc(&desc);
m_width = desc.Width;
m_height = desc.Height;
m_texFormat = ConvertFromDXFormat(desc.Format);
}
break;
default: _AST(0);
}
}
//-------------------------------------------------------------------------------
void D3D11Texture::CreateSRV()
{
SAFE_RELEASE(m_pSRV);
HRESULT hr = S_OK;
ID3D11Resource** pTex = nullptr;
D3D11_SHADER_RESOURCE_VIEW_DESC SMViewDesc;
ZeroMemory(&SMViewDesc, sizeof(D3D11_SHADER_RESOURCE_VIEW_DESC));
// Specifical for depth texture
if (m_usage & eTextureUsage_Depth)
{
_AST(GetTextureType() == eTextureType_2D);
SMViewDesc.Format = DXGI_FORMAT_R32_FLOAT;
SMViewDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE2D;
SMViewDesc.Texture2D.MipLevels = 1;
SMViewDesc.Texture2D.MostDetailedMip = 0;
V(g_pRenderSys->GetDevice()->CreateShaderResourceView(m_pTexture2D, &SMViewDesc, &m_pSRV));
return;
}
switch (GetTextureType())
{
case eTextureType_2D:
{
D3D11_TEXTURE2D_DESC SMTextureDesc;
m_pTexture2D->GetDesc(&SMTextureDesc);
SMViewDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE2D;
SMViewDesc.Texture2D.MipLevels = SMTextureDesc.MipLevels;
SMViewDesc.Texture2D.MostDetailedMip = 0;
SMViewDesc.Format = GetTypedFormat(SMTextureDesc.Format);
pTex = (ID3D11Resource**)&m_pTexture2D;
}
break;
case eTextureType_TextureArray:
{
D3D11_TEXTURE2D_DESC SMTextureDesc;
m_pTexture2D->GetDesc(&SMTextureDesc);
SMViewDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE2DARRAY;
SMViewDesc.Texture2DArray.MipLevels = SMTextureDesc.MipLevels;
SMViewDesc.Texture2DArray.MostDetailedMip = 0;
SMViewDesc.Texture2DArray.FirstArraySlice = 0;
SMViewDesc.Texture2DArray.ArraySize = SMTextureDesc.ArraySize;
SMViewDesc.Format = GetTypedFormat(SMTextureDesc.Format);
pTex = (ID3D11Resource**)&m_pTexture2D;
}
break;
case eTextureType_CubeMap:
{
D3D11_TEXTURE2D_DESC SMTextureDesc;
m_pTexture2D->GetDesc(&SMTextureDesc);
SMViewDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURECUBE;
SMViewDesc.TextureCube.MipLevels = SMTextureDesc.MipLevels;
SMViewDesc.TextureCube.MostDetailedMip = 0;
SMViewDesc.Format = GetTypedFormat(SMTextureDesc.Format);
pTex = (ID3D11Resource**)&m_pTexture2D;
}
break;
case eTextureType_3D:
{
D3D11_TEXTURE3D_DESC SMTextureDesc;
m_pTexture3D->GetDesc(&SMTextureDesc);
SMViewDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE3D;
SMViewDesc.Texture3D.MipLevels = SMTextureDesc.MipLevels;
SMViewDesc.Texture3D.MostDetailedMip = 0;
SMViewDesc.Format = GetTypedFormat(SMTextureDesc.Format);
pTex = (ID3D11Resource**)&m_pTexture3D;
}
break;
default: _AST(0);
}
V(g_pRenderSys->GetDevice()->CreateShaderResourceView(*pTex, &SMViewDesc, &m_pSRV));
}
//------------------------------------------------------------------------------------
void D3D11Texture::_CreateManual(const char* pTexData)
{
HRESULT hr = S_OK;
const DXGI_FORMAT dxformat = ConvertToDXFormat(m_texFormat);
const DWORD bytesPerPixel = GetBytesPerPixelFromFormat(m_texFormat);
DWORD pitch = bytesPerPixel * m_width;
char* tmpBuf = (char*)pTexData;
if (!pTexData)
{
tmpBuf = new char[pitch * m_height];
ZeroMemory(tmpBuf, pitch * m_height * sizeof(char));
}
D3D11_SUBRESOURCE_DATA subData;
D3D11_SUBRESOURCE_DATA* subDataArray = nullptr;
subData.pSysMem = tmpBuf;
subData.SysMemPitch = pitch;
CD3D11_TEXTURE2D_DESC desc(dxformat, m_width, m_height);
if (m_bMipMap)
{
int wid = m_width, hei = m_height;
// Get mipmap level
desc.MipLevels = 1;
while((wid > 1) || (hei > 1))
{
wid = Max(wid / 2, 1);
hei = Max(hei / 2, 1);
++desc.MipLevels;
}
// Not correct mipmap data, just make room for later D3DX11FilterTexture
subDataArray = new D3D11_SUBRESOURCE_DATA[desc.MipLevels];
for (size_t i=0; i<desc.MipLevels; ++i)
{
subDataArray[i].pSysMem = tmpBuf;
subDataArray[i].SysMemPitch = pitch;
}
}
else
{
desc.MipLevels = 1;
subDataArray = &subData;
}
// Validate usage
_AST(!((m_usage&eTextureUsage_WriteOnly)&&(m_usage&eTextureUsage_ReadWrite)) && "Invalid usage!");
if (m_usage & eTextureUsage_RenderTarget)
{
desc.BindFlags = D3D11_BIND_RENDER_TARGET | D3D11_BIND_SHADER_RESOURCE;
if (m_usage & eTextureUsage_AutoGenMips)
{
desc.MiscFlags |= D3D11_RESOURCE_MISC_GENERATE_MIPS;
}
}
if (GetTextureType() == eTextureType_CubeMap)
{
desc.MiscFlags |= D3D11_RESOURCE_MISC_TEXTURECUBE;
desc.ArraySize = 6;
}
// Assign usage
if (m_usage & eTextureUsage_WriteOnly)
{
desc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
desc.Usage = D3D11_USAGE_DYNAMIC;
}
else if (m_usage & eTextureUsage_ReadWrite)
{
D3D11_TEXTURE2D_DESC descStaging = desc;
descStaging.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE | D3D11_CPU_ACCESS_READ;
descStaging.Usage = D3D11_USAGE_STAGING;
descStaging.BindFlags = 0;
g_pRenderSys->GetDevice()->CreateTexture2D(&descStaging, subDataArray, &m_pTexStaging);
}
if (m_usage & eTextureUsage_Depth)
{
desc.Usage = D3D11_USAGE_DEFAULT;
desc.BindFlags = D3D11_BIND_DEPTH_STENCIL | D3D11_BIND_SHADER_RESOURCE;
g_pRenderSys->GetDevice()->CreateTexture2D(&desc, nullptr, &m_pTexture2D);
}
else
{
g_pRenderSys->GetDevice()->CreateTexture2D(&desc, subDataArray, &m_pTexture2D);
}
if(!pTexData)
{
SAFE_DELETE_ARRAY(tmpBuf);
}
_AST(SUCCEEDED(hr) && "Create texture failed!");
// Generate mipmap levels
if (m_bMipMap && !(m_usage & eTextureUsage_RenderTarget))
{
V(D3DX11FilterTexture(g_pRenderSys->GetDeviceContext(), m_pTexture2D, 0, D3DX11_DEFAULT));
}
// Create SRV
CreateSRV();
// Create DSV
if (m_usage & eTextureUsage_Depth)
{
CreateDSV();
}
// Create RTV
if (m_usage & eTextureUsage_RenderTarget)
{
CreateRTV();
}
}
//--------------------------------------------------------------------------
D3D11Texture::D3D11Texture(const STRING& filename, eTextureType type, uint32 usage)
:m_pTexture2D(nullptr)
,m_pTexture3D(nullptr)
,m_pRenderSystem(g_env.pRenderSystem)
,m_rtView(nullptr)
,m_pSRV(nullptr)
,m_pDSV(nullptr)
,m_usage(usage)
,m_texType(type)
,m_width(0)
,m_height(0)
,m_bMipMap(true)
{
m_pd3dDevice = m_pRenderSystem->GetDevice();
if (m_pd3dDevice)
m_pd3dDevice->AddRef();
////////////////////////////////////////////////////////////////
////////////// Load texture
HRESULT hr = S_OK;
D3DX11_IMAGE_LOAD_INFO loadInfo;
loadInfo.MipLevels = 0;
ID3D11Resource** pTex = nullptr;
switch (GetTextureType())
{
case eTextureType_2D:
{
pTex = (ID3D11Resource**)&m_pTexture2D;
}
break;
case eTextureType_CubeMap:
{
loadInfo.MiscFlags = D3D11_RESOURCE_MISC_TEXTURECUBE;
pTex = (ID3D11Resource**)&m_pTexture2D;
}
break;
case eTextureType_3D:
{
pTex = (ID3D11Resource**)&m_pTexture3D;
}
break;
default:
assert(0);
}
V(D3DX11CreateTextureFromFileA(m_pd3dDevice, filename.c_str(), &loadInfo, nullptr,pTex, nullptr));
// Create SRV
CreateSRV();
// Store texture dimension and format
switch (GetTextureType())
{
case eTextureType_2D:
case eTextureType_CubeMap:
{
D3D11_TEXTURE2D_DESC desc;
m_pTexture2D->GetDesc(&desc);
m_width = desc.Width;
m_height = desc.Height;
m_texFormat = ConvertFromDXFormat(desc.Format);
}
break;
case eTextureType_3D:
{
D3D11_TEXTURE3D_DESC desc;
m_pTexture3D->GetDesc(&desc);
m_width = desc.Width;
m_height = desc.Height;
m_texFormat = ConvertFromDXFormat(desc.Format);
}
break;
default:
assert(0);
}
}
