void FNullDynamicRHI::Init()
{
#if PLATFORM_WINDOWS
GShaderPlatformForFeatureLevel[ERHIFeatureLevel::ES2] = SP_PCD3D_ES2;
GShaderPlatformForFeatureLevel[ERHIFeatureLevel::ES3_1] = SP_PCD3D_ES3_1;
GShaderPlatformForFeatureLevel[ERHIFeatureLevel::SM4] = SP_PCD3D_SM4;
GShaderPlatformForFeatureLevel[ERHIFeatureLevel::SM5] = SP_PCD3D_SM5;
#else
GShaderPlatformForFeatureLevel[ERHIFeatureLevel::ES2] = SP_OPENGL_PCES2;
GShaderPlatformForFeatureLevel[ERHIFeatureLevel::ES3_1] = SP_NumPlatforms;
GShaderPlatformForFeatureLevel[ERHIFeatureLevel::SM4] = SP_OPENGL_SM4;
GShaderPlatformForFeatureLevel[ERHIFeatureLevel::SM5] = SP_OPENGL_SM5;
#endif
check(!GIsRHIInitialized);
// Notify all initialized FRenderResources that there's a valid RHI device to create their RHI resources for now.
for(TLinkedList<FRenderResource*>::TIterator ResourceIt(FRenderResource::GetResourceList());ResourceIt;ResourceIt.Next())
{
ResourceIt->InitRHI();
}
// Dynamic resources can have dependencies on static resources (with uniform buffers) and must initialized last!
for(TLinkedList<FRenderResource*>::TIterator ResourceIt(FRenderResource::GetResourceList());ResourceIt;ResourceIt.Next())
{
ResourceIt->InitDynamicRHI();
}
GIsRHIInitialized = true;
}
/**
* Iterate over the global list of resources that need to
* be updated and call UpdateResource on each one.
*/
void FDeferredUpdateResource::UpdateResources()
{
if( bNeedsUpdate )
{
TLinkedList<FDeferredUpdateResource*>*& UpdateList = FDeferredUpdateResource::GetUpdateList();
for( TLinkedList<FDeferredUpdateResource*>::TIterator ResourceIt(UpdateList);ResourceIt; )
{
FDeferredUpdateResource* RTResource = *ResourceIt;
// iterate to next resource before removing an entry
ResourceIt.Next();
if( RTResource )
{
// update each resource
RTResource->UpdateResource();
if( RTResource->bOnlyUpdateOnce )
{
// remove from list if only a single update was requested
RTResource->RemoveFromDeferredUpdateList();
}
}
}
// since the updates should only occur once globally
// then we need to reset this before rendering any viewports
bNeedsUpdate = false;
}
}
void FD3D11DynamicRHI::CleanupD3DDevice()
{
if(GIsRHIInitialized)
{
check(Direct3DDevice);
check(Direct3DDeviceIMContext);
// Reset the RHI initialized flag.
GIsRHIInitialized = false;
check(!GIsCriticalError);
// Ask all initialized FRenderResources to release their RHI resources.
for(TLinkedList<FRenderResource*>::TIterator ResourceIt(FRenderResource::GetResourceList());ResourceIt;ResourceIt.Next())
{
FRenderResource* Resource = *ResourceIt;
check(Resource->IsInitialized());
Resource->ReleaseRHI();
}
for(TLinkedList<FRenderResource*>::TIterator ResourceIt(FRenderResource::GetResourceList());ResourceIt;ResourceIt.Next())
{
ResourceIt->ReleaseDynamicRHI();
}
extern void EmptyD3DSamplerStateCache();
EmptyD3DSamplerStateCache();
// release our dynamic VB and IB buffers
DynamicVB = NULL;
DynamicIB = NULL;
ReleasePooledUniformBuffers();
ReleasePooledTextures();
// Release the device and its IC
StateCache.SetContext(nullptr);
Direct3DDeviceIMContext = NULL;
Direct3DDevice = NULL;
}
}
/**
* Add this resource to deferred update list
* @param OnlyUpdateOnce - flag this resource for a single update if true
*/
void FDeferredUpdateResource::AddToDeferredUpdateList( bool OnlyUpdateOnce )
{
bool bExists=false;
TLinkedList<FDeferredUpdateResource*>*& UpdateList = FDeferredUpdateResource::GetUpdateList();
for( TLinkedList<FDeferredUpdateResource*>::TIterator ResourceIt(UpdateList);ResourceIt;ResourceIt.Next() )
{
if( (*ResourceIt) == this )
{
bExists=true;
break;
}
}
if( !bExists )
{
UpdateListLink = TLinkedList<FDeferredUpdateResource*>(this);
UpdateListLink.Link(UpdateList);
bNeedsUpdate = true;
}
bOnlyUpdateOnce=OnlyUpdateOnce;
}
void FD3D11DynamicRHI::CleanupD3DDevice()
{
if(GIsRHIInitialized)
{
check(Direct3DDevice);
check(Direct3DDeviceIMContext);
// Reset the RHI initialized flag.
GIsRHIInitialized = false;
check(!GIsCriticalError);
// Ask all initialized FRenderResources to release their RHI resources.
for(TLinkedList<FRenderResource*>::TIterator ResourceIt(FRenderResource::GetResourceList());ResourceIt;ResourceIt.Next())
{
FRenderResource* Resource = *ResourceIt;
check(Resource->IsInitialized());
Resource->ReleaseRHI();
}
for(TLinkedList<FRenderResource*>::TIterator ResourceIt(FRenderResource::GetResourceList());ResourceIt;ResourceIt.Next())
{
ResourceIt->ReleaseDynamicRHI();
}
extern void EmptyD3DSamplerStateCache();
EmptyD3DSamplerStateCache();
// release our dynamic VB and IB buffers
DynamicVB = NULL;
DynamicIB = NULL;
// Release references to bound uniform buffers.
for (int32 Frequency = 0; Frequency < SF_NumFrequencies; ++Frequency)
{
for (int32 BindIndex = 0; BindIndex < MAX_UNIFORM_BUFFERS_PER_SHADER_STAGE; ++BindIndex)
{
BoundUniformBuffers[Frequency][BindIndex].SafeRelease();
}
}
// Release the device and its IC
StateCache.SetContext(nullptr);
// Flush all pending deletes before destroying the device.
FRHIResource::FlushPendingDeletes();
ReleasePooledUniformBuffers();
ReleasePooledTextures();
// When running with D3D debug, clear state and flush the device to get rid of spurious live objects in D3D11's report.
if (D3D11RHI_ShouldCreateWithD3DDebug())
{
Direct3DDeviceIMContext->ClearState();
Direct3DDeviceIMContext->Flush();
}
Direct3DDeviceIMContext = NULL;
Direct3DDevice = NULL;
}
}
FEmptyDynamicRHI::FEmptyDynamicRHI()
{
// This should be called once at the start
check( IsInGameThread() );
check( !GIsThreadedRendering );
// Initialize the RHI capabilities.
// GRHIAdapterName =
// GRHIVendorId =
// GSupportsRenderTargetFormat_PF_G8 = false;
// GSupportsQuads = true;
// GRHISupportsTextureStreaming = true;
// GMaxShadowDepthBufferSizeX = 4096;
// GMaxShadowDepthBufferSizeY = 4096;
//
// GMaxTextureDimensions = 16384;
// GMaxTextureMipCount = FPlatformMath::CeilLogTwo( GMaxTextureDimensions ) + 1;
// GMaxTextureMipCount = FPlatformMath::Min<int32>( MAX_TEXTURE_MIP_COUNT, GMaxTextureMipCount );
// GMaxCubeTextureDimensions = 16384;
// GMaxTextureArrayLayers = 8192;
// GShaderPlatformForFeatureLevel[ERHIFeatureLevel::ES2] = SP_NumPlatforms;
// GShaderPlatformForFeatureLevel[ERHIFeatureLevel::ES3_1] = SP_NumPlatforms;
// GShaderPlatformForFeatureLevel[ERHIFeatureLevel::SM4] = SP_NumPlatforms;
// GShaderPlatformForFeatureLevel[ERHIFeatureLevel::SM5] = ;
// GDrawUPVertexCheckCount = MAX_uint16;
// Initialize the platform pixel format map.
// GPixelFormats[PF_Unknown ].PlatformFormat =
// GPixelFormats[PF_A32B32G32R32F ].PlatformFormat =
// GPixelFormats[PF_B8G8R8A8 ].PlatformFormat =
// GPixelFormats[PF_G8 ].PlatformFormat =
// GPixelFormats[PF_G16 ].PlatformFormat =
// GPixelFormats[PF_DXT1 ].PlatformFormat =
// GPixelFormats[PF_DXT3 ].PlatformFormat =
// GPixelFormats[PF_DXT5 ].PlatformFormat =
// GPixelFormats[PF_UYVY ].PlatformFormat =
// GPixelFormats[PF_FloatRGB ].PlatformFormat =
// GPixelFormats[PF_FloatRGB ].BlockBytes = 4;
// GPixelFormats[PF_FloatRGBA ].PlatformFormat =
// GPixelFormats[PF_FloatRGBA ].BlockBytes = 8;
// GPixelFormats[PF_DepthStencil ].PlatformFormat =
// GPixelFormats[PF_DepthStencil ].BlockBytes = 4;
// GPixelFormats[PF_X24_G8 ].PlatformFormat =
// GPixelFormats[PF_X24_G8 ].BlockBytes = 1;
// GPixelFormats[PF_ShadowDepth ].PlatformFormat =
// GPixelFormats[PF_R32_FLOAT ].PlatformFormat =
// GPixelFormats[PF_G16R16 ].PlatformFormat =
// GPixelFormats[PF_G16R16F ].PlatformFormat =
// GPixelFormats[PF_G16R16F_FILTER ].PlatformFormat =
// GPixelFormats[PF_G32R32F ].PlatformFormat =
// GPixelFormats[PF_A2B10G10R10 ].PlatformFormat =
// GPixelFormats[PF_A16B16G16R16 ].PlatformFormat =
// GPixelFormats[PF_D24 ].PlatformFormat =
// GPixelFormats[PF_R16F ].PlatformFormat =
// GPixelFormats[PF_R16F_FILTER ].PlatformFormat =
// GPixelFormats[PF_BC5 ].PlatformFormat =
// GPixelFormats[PF_V8U8 ].PlatformFormat =
// GPixelFormats[PF_A1 ].PlatformFormat =
// GPixelFormats[PF_FloatR11G11B10 ].PlatformFormat =
// GPixelFormats[PF_FloatR11G11B10 ].BlockBytes = 4;
// GPixelFormats[PF_A8 ].PlatformFormat =
// GPixelFormats[PF_R32_UINT ].PlatformFormat =
// GPixelFormats[PF_R32_SINT ].PlatformFormat =
// GPixelFormats[PF_R16G16B16A16_UINT ].PlatformFormat =
// GPixelFormats[PF_R16G16B16A16_SINT ].PlatformFormat =
// GPixelFormats[PF_R5G6B5_UNORM ].PlatformFormat =
// GPixelFormats[PF_R8G8B8A8 ].PlatformFormat =
// GPixelFormats[PF_R8G8 ].PlatformFormat =
GDynamicRHI = this;
// Notify all initialized FRenderResources that there's a valid RHI device to create their RHI resources for now.
for(TLinkedList<FRenderResource*>::TIterator ResourceIt(FRenderResource::GetResourceList());ResourceIt;ResourceIt.Next())
{
ResourceIt->InitRHI();
}
// Dynamic resources can have dependencies on static resources (with uniform buffers) and must initialized last!
for(TLinkedList<FRenderResource*>::TIterator ResourceIt(FRenderResource::GetResourceList());ResourceIt;ResourceIt.Next())
{
ResourceIt->InitDynamicRHI();
}
GIsRHIInitialized = true;
}
