diff options
Diffstat (limited to 'LibOVR/Src/CAPI/D3D1X/CAPI_D3D1X_HSWDisplay.cpp')
| -rw-r--r-- | LibOVR/Src/CAPI/D3D1X/CAPI_D3D1X_HSWDisplay.cpp | 595 |
1 files changed, 595 insertions, 0 deletions
diff --git a/LibOVR/Src/CAPI/D3D1X/CAPI_D3D1X_HSWDisplay.cpp b/LibOVR/Src/CAPI/D3D1X/CAPI_D3D1X_HSWDisplay.cpp new file mode 100644 index 0000000..61f915f --- /dev/null +++ b/LibOVR/Src/CAPI/D3D1X/CAPI_D3D1X_HSWDisplay.cpp @@ -0,0 +1,595 @@ +/************************************************************************************
+
+Filename : CAPI_D3D1X_HSWDisplay.cpp
+Content : Implements Health and Safety Warning system.
+Created : July 7, 2014
+Authors : Paul Pedriana
+
+Copyright : Copyright 2014 Oculus VR, LLC All Rights reserved.
+
+Licensed under the Oculus VR Rift SDK License Version 3.2 (the "License");
+you may not use the Oculus VR Rift SDK except in compliance with the License,
+which is provided at the time of installation or download, or which
+otherwise accompanies this software in either electronic or hard copy form.
+
+You may obtain a copy of the License at
+
+http://www.oculusvr.com/licenses/LICENSE-3.2
+
+Unless required by applicable law or agreed to in writing, the Oculus VR SDK
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+************************************************************************************/
+
+// This file is intended to be #included by CAPI_D3D10_HSWDisplay.cpp or CAPI_D3D11_HSWDisplay.cpp,
+// which define OVR_D3D_VERSION to 10 or 11 respectively.
+#if defined(OVR_D3D_VERSION) && ((OVR_D3D_VERSION == 10) || (OVR_D3D_VERSION == 11))
+
+#define _WINSOCKAPI_ // Prevents <Windows.h> from #including <Winsock.h>, as we need the app to use <Winsock2.h> instead.
+#include "../../Kernel/OVR_Types.h"
+#include "../../OVR_CAPI_D3D.h" // OVR_D3D_VERSION will have been defined by who included us.
+#include "CAPI_D3D1X_HSWDisplay.h"
+#include "../../Kernel/OVR_File.h"
+#include "../../Kernel/OVR_SysFile.h"
+#include "../../Kernel/OVR_Math.h"
+#include "../../Kernel/OVR_Allocator.h"
+#include "../../Kernel/OVR_Color.h"
+
+// We currently borrow the SimpleQuad shaders
+#include "Shaders/SimpleTexturedQuad_vs.h"
+#include "Shaders/SimpleTexturedQuad_vs_refl.h"
+#include "Shaders/SimpleTexturedQuad_ps.h"
+#include "Shaders/SimpleTexturedQuad_ps_refl.h"
+
+
+/*
+#include <d3dcompiler.h>
+
+ID3D10Blob* CompileShader(const char* profile, const char* src, const char* mainName = "main")
+{
+ ID3D10Blob* shader = NULL;
+ ID3D10Blob* errors = NULL;
+ HRESULT hr = D3DCompile(src, strlen(src), NULL, NULL, NULL, mainName, profile, 0, 0, &shader, &errors);
+
+ OVR_ASSERT(SUCCEEDED(hr));
+ if (FAILED(hr))
+ {
+ shader = NULL;
+ OVR_DEBUG_LOG(("Compiling D3D shader for %s failed\n%s\n\n%s", profile, src, errors->GetBufferPointer()));
+ }
+
+ if (errors)
+ errors->Release();
+
+ return shader;
+}
+*/
+
+
+
+// For a given DXGI format: if the format is a typeless one then this function returns a
+// suitable typed one. If the format is a typed one then this function returns it as-is.
+static DXGI_FORMAT GetFullyTypedDXGIFormat(DXGI_FORMAT textureFormat)
+{
+ // http://msdn.microsoft.com/en-us/library/windows/desktop/bb173059%28v=vs.85%29.aspx
+
+ DXGI_FORMAT fullyTypedFormat = textureFormat;
+
+ switch(textureFormat)
+ {
+ case DXGI_FORMAT_R32G32B32A32_TYPELESS:
+ return DXGI_FORMAT_R32G32B32A32_FLOAT; // or DXGI_FORMAT_R32G32B32A32_UINT, DXGI_FORMAT_R32G32B32A32_SINT
+
+ case DXGI_FORMAT_R32G32B32_TYPELESS:
+ return DXGI_FORMAT_R32G32B32_FLOAT; // or DXGI_FORMAT_R32G32B32_UINT, DXGI_FORMAT_R32G32B32_SINT
+
+ case DXGI_FORMAT_R16G16B16A16_TYPELESS:
+ return DXGI_FORMAT_R16G16B16A16_UNORM; // or DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_R16G16B16A16_UINT, DXGI_FORMAT_R16G16B16A16_SNORM, DXGI_FORMAT_R16G16B16A16_SINT
+
+ case DXGI_FORMAT_R8G8B8A8_TYPELESS:
+ return DXGI_FORMAT_R8G8B8A8_UNORM; // or DXGI_FORMAT_R8G8B8A8_UNORM_SRGB, DXGI_FORMAT_R8G8B8A8_UINT, DXGI_FORMAT_R8G8B8A8_SNORM, DXGI_FORMAT_R8G8B8A8_SINT
+
+ case DXGI_FORMAT_B8G8R8A8_TYPELESS:
+ return DXGI_FORMAT_B8G8R8A8_UNORM_SRGB;
+
+ case DXGI_FORMAT_B8G8R8X8_TYPELESS:
+ return DXGI_FORMAT_B8G8R8X8_UNORM_SRGB;
+
+ // Others which we don't currently support:
+ //case DXGI_FORMAT_R32G32_TYPELESS:
+ //case DXGI_FORMAT_R32G8X24_TYPELESS:
+ //case DXGI_FORMAT_R32_FLOAT_X8X24_TYPELESS:
+ //case DXGI_FORMAT_X32_TYPELESS_G8X24_UINT:
+ //case DXGI_FORMAT_R10G10B10A2_TYPELESS:
+ //case DXGI_FORMAT_R16G16_TYPELESS:
+ //case DXGI_FORMAT_R32_TYPELESS:
+ //case DXGI_FORMAT_R24G8_TYPELESS:
+ //case DXGI_FORMAT_R24_UNORM_X8_TYPELESS:
+ //case DXGI_FORMAT_X24_TYPELESS_G8_UINT:
+ //case DXGI_FORMAT_R8G8_TYPELESS:
+ //case DXGI_FORMAT_R16_TYPELESS:
+ //case DXGI_FORMAT_R8_TYPELESS:
+ //case DXGI_FORMAT_BC1_TYPELESS:
+ //case DXGI_FORMAT_BC2_TYPELESS:
+ //case DXGI_FORMAT_BC3_TYPELESS:
+ //case DXGI_FORMAT_BC4_TYPELESS:
+ //case DXGI_FORMAT_BC5_TYPELESS:
+ //case DXGI_FORMAT_BC6H_TYPELESS:
+ //case DXGI_FORMAT_BC7_TYPELESS:
+ }
+
+ return fullyTypedFormat;
+}
+
+
+
+namespace OVR { namespace CAPI {
+
+// To do Need to move LoadTextureTgaData to a shared location.
+uint8_t* LoadTextureTgaData(OVR::File* f, uint8_t alpha, int& width, int& height);
+
+
+namespace D3D_NS {
+
+// This is a temporary function implementation, and it functionality needs to be implemented in a more generic way.
+Texture* LoadTextureTga(RenderParams& rParams, ID3D1xSamplerState* pSamplerState, OVR::File* f, uint8_t alpha)
+{
+ OVR::CAPI::D3D_NS::Texture* pTexture = NULL;
+
+ int width, height;
+ const uint8_t* pRGBA = LoadTextureTgaData(f, alpha, width, height);
+
+ if (pRGBA)
+ {
+ pTexture = new OVR::CAPI::D3D_NS::Texture(&rParams, OVR::CAPI::D3D_NS::Texture_RGBA, OVR::Sizei(0,0), pSamplerState, 1);
+
+ // Create the D3D texture
+ D3D1X_(TEXTURE2D_DESC) dsDesc;
+ dsDesc.Width = width;
+ dsDesc.Height = height;
+ dsDesc.MipLevels = 1;
+ dsDesc.ArraySize = 1;
+ dsDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
+ dsDesc.SampleDesc.Count = 1;
+ dsDesc.SampleDesc.Quality = 0;
+ dsDesc.Usage = D3D1X_(USAGE_DEFAULT);
+ dsDesc.BindFlags = D3D1X_(BIND_SHADER_RESOURCE);
+ dsDesc.CPUAccessFlags = 0;
+ dsDesc.MiscFlags = 0;
+
+ HRESULT hr = rParams.pDevice->CreateTexture2D(&dsDesc, NULL, &pTexture->Tex.GetRawRef());
+
+ if (SUCCEEDED(hr))
+ {
+ if (dsDesc.BindFlags & D3D1X_(BIND_SHADER_RESOURCE))
+ rParams.pDevice->CreateShaderResourceView(pTexture->Tex, NULL, &pTexture->TexSv.GetRawRef());
+
+ rParams.pContext->UpdateSubresource(pTexture->Tex, 0, NULL, pRGBA, width * 4, width * height * 4);
+ }
+ else
+ {
+ OVR_DEBUG_LOG_TEXT(("[LoadTextureTga] CreateTexture2D failed"));
+ pTexture->Release();
+ }
+
+ OVR_FREE(const_cast<uint8_t*>(pRGBA));
+ }
+
+ return pTexture;
+}
+
+
+// Loads a texture from a memory image of a TGA file.
+Texture* LoadTextureTga(RenderParams& rParams, ID3D1xSamplerState* pSamplerState, const uint8_t* pData, int dataSize, uint8_t alpha)
+{
+ MemoryFile memoryFile("", pData, dataSize);
+
+ return LoadTextureTga(rParams, pSamplerState, &memoryFile, alpha);
+}
+
+
+// Loads a texture from a disk TGA file.
+Texture* LoadTextureTga(RenderParams& rParams, ID3D1xSamplerState* pSamplerState, const char* pFilePath, uint8_t alpha)
+{
+ SysFile sysFile;
+
+ if(sysFile.Open(pFilePath, FileConstants::Open_Read | FileConstants::Open_Buffered))
+ return LoadTextureTga(rParams, pSamplerState, &sysFile, alpha);
+
+ return NULL;
+}
+
+
+
+// To do: This needs to be promoted to a central version, possibly in CAPI_HSWDisplay.h
+struct HASWVertex
+{
+ Vector3f Pos;
+ Color C;
+ float U, V;
+
+ HASWVertex(const Vector3f& p, const Color& c = Color(64,0,0,255), float u = 0, float v = 0)
+ : Pos(p), C(c), U(u), V(v)
+ {}
+
+ HASWVertex(float x, float y, float z, const Color& c = Color(64,0,0,255), float u = 0, float v = 0)
+ : Pos(x,y,z), C(c), U(u), V(v)
+ {}
+
+ bool operator==(const HASWVertex& b) const
+ {
+ return (Pos == b.Pos) && (C == b.C) && (U == b.U) && (V == b.V);
+ }
+};
+
+
+
+// The texture below may conceivably be shared between HSWDisplay instances. However,
+// beware that sharing may not be possible if two HMDs are using different locales
+// simultaneously. As of this writing it's not clear if that can occur in practice.
+
+HSWDisplay::HSWDisplay(ovrRenderAPIType api, ovrHmd hmd, const HMDRenderState& renderState)
+ : OVR::CAPI::HSWDisplay(api, hmd, renderState),
+ RenderParams()
+{
+}
+
+bool HSWDisplay::Initialize(const ovrRenderAPIConfig* apiConfig)
+{
+ #if (OVR_D3D_VERSION == 10)
+ const ovrD3D10Config* config = reinterpret_cast<const ovrD3D10Config*>(apiConfig);
+ #else
+ const ovrD3D11Config* config = reinterpret_cast<const ovrD3D11Config*>(apiConfig);
+ #endif
+
+ if(config)
+ {
+ RenderParams.pDevice = config->D3D_NS.pDevice;
+#if (OVR_D3D_VERSION == 10)
+ RenderParams.pContext = config->D3D10.pDevice;
+ RenderParams.pBackBufferUAV = NULL;
+#else
+ RenderParams.pContext = config->D3D11.pDeviceContext;
+ RenderParams.pBackBufferUAV = config->D3D_NS.pBackBufferUAV;
+#endif
+ RenderParams.pBackBufferRT = config->D3D_NS.pBackBufferRT;
+ RenderParams.pSwapChain = config->D3D_NS.pSwapChain;
+ RenderParams.BackBufferSize = config->D3D_NS.Header.BackBufferSize;
+ RenderParams.Multisample = config->D3D_NS.Header.Multisample;
+
+ // We may want to create RasterizerState, or alternatively let the DistortionRenderer handle it.
+ }
+ // else do any necessary cleanup
+
+ return true;
+}
+
+void HSWDisplay::Shutdown()
+{
+ UnloadGraphics();
+}
+
+
+void HSWDisplay::DisplayInternal()
+{
+ HSWDISPLAY_LOG(("[HSWDisplay D3D1x] DisplayInternal()"));
+ // We may want to call LoadGraphics here instead of within Render.
+}
+
+
+void HSWDisplay::DismissInternal()
+{
+ HSWDISPLAY_LOG(("[HSWDisplay D3D1x] DismissInternal()"));
+ UnloadGraphics();
+}
+
+
+void HSWDisplay::UnloadGraphics()
+{
+ //RenderParams: nothing to do.
+ pSamplerState.Clear();
+ pTexture.Clear();
+ pVB.Clear();
+ for(size_t i = 0; i < OVR_ARRAY_COUNT(UniformBufferArray); i++)
+ UniformBufferArray[i].Clear();
+ pShaderSet.Clear();
+ pVertexInputLayout.Clear();
+ pBlendState.Clear();
+ pRasterizerState.Clear();
+ // OrthoProjection: No need to clear.
+}
+
+void HSWDisplay::LoadGraphics()
+{
+ // Load the graphics if not loaded already.
+ if(!pSamplerState)
+ {
+ D3D1X_(SAMPLER_DESC) sDesc;
+
+ memset(&sDesc, 0, sizeof(sDesc));
+ sDesc.Filter = D3D1X_(FILTER_MIN_MAG_MIP_LINEAR);
+ sDesc.AddressU = D3D1X_(TEXTURE_ADDRESS_CLAMP);
+ sDesc.AddressV = D3D1X_(TEXTURE_ADDRESS_CLAMP);
+ sDesc.AddressW = D3D1X_(TEXTURE_ADDRESS_CLAMP);
+
+ RenderParams.pDevice->CreateSamplerState(&sDesc, &pSamplerState.GetRawRef());
+ }
+
+ #if defined(OVR_BUILD_DEBUG)
+ if(!pTexture)
+ pTexture = *LoadTextureTga(RenderParams, pSamplerState, "C:\\TestPath\\TestFile.tga", 255);
+ #endif
+
+ if(!pTexture) // To do: Add support for .dds files, which would be significantly smaller than the size of the tga.
+ {
+ size_t textureSize;
+ const uint8_t* TextureData = GetDefaultTexture(textureSize);
+ pTexture = *LoadTextureTga(RenderParams, pSamplerState, TextureData, (int)textureSize, 255);
+ }
+
+ if(!UniformBufferArray[0])
+ {
+ for(size_t i = 0; i < OVR_ARRAY_COUNT(UniformBufferArray); i++)
+ UniformBufferArray[i] = *new Buffer(&RenderParams);
+ }
+
+ if(!pShaderSet)
+ {
+ pShaderSet = *new ShaderSet;
+
+ // Setup the vertex shader
+ const D3D1X_(INPUT_ELEMENT_DESC) VertexDescription[] = {
+ { "Position", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, offsetof(HASWVertex, Pos), D3D1X_(INPUT_PER_VERTEX_DATA), 0 },
+ { "Color", 0, DXGI_FORMAT_R8G8B8A8_UNORM, 0, offsetof(HASWVertex, C), D3D1X_(INPUT_PER_VERTEX_DATA), 0 },
+ { "TexCoord", 0, DXGI_FORMAT_R32G32_FLOAT, 0, offsetof(HASWVertex, U), D3D1X_(INPUT_PER_VERTEX_DATA), 0 }
+ };
+
+ Ptr<D3D_NS::VertexShader> vs = *new D3D_NS::VertexShader(&RenderParams, (void*)SimpleTexturedQuad_vs, sizeof(SimpleTexturedQuad_vs), SimpleTexturedQuad_vs_refl, OVR_ARRAY_COUNT(SimpleTexturedQuad_vs_refl));
+ pVertexInputLayout = NULL; // Make sure it's cleared in case it wasn't.
+ ID3D1xInputLayout** ppD3DInputLayout = &pVertexInputLayout.GetRawRef();
+ HRESULT hResult = RenderParams.pDevice->CreateInputLayout(VertexDescription, OVR_ARRAY_COUNT(VertexDescription), SimpleTexturedQuad_vs, sizeof(SimpleTexturedQuad_vs), ppD3DInputLayout);
+ OVR_ASSERT(SUCCEEDED(hResult));
+ if(SUCCEEDED(hResult))
+ pShaderSet->SetShader(vs);
+
+ // Setup the pixel shader
+ Ptr<D3D_NS::PixelShader> ps = *new D3D_NS::PixelShader(&RenderParams, (void*)SimpleTexturedQuad_ps, sizeof(SimpleTexturedQuad_ps), SimpleTexturedQuad_ps_refl, OVR_ARRAY_COUNT(SimpleTexturedQuad_ps_refl));
+ pShaderSet->SetShader(ps);
+
+ if(!pBlendState)
+ {
+ D3D1X_(BLEND_DESC) bm;
+ memset(&bm, 0, sizeof(bm));
+ #if (OVR_D3D_VERSION == 10)
+ bm.BlendEnable[0] = TRUE;
+ bm.BlendOp = bm.BlendOpAlpha = D3D1X_(BLEND_OP_ADD);
+ bm.SrcBlend = bm.SrcBlendAlpha = D3D1X_(BLEND_SRC_ALPHA);
+ bm.DestBlend = bm.DestBlendAlpha = D3D1X_(BLEND_INV_SRC_ALPHA);
+ bm.RenderTargetWriteMask[0] = D3D1X_(COLOR_WRITE_ENABLE_ALL);
+ #else
+ bm.RenderTarget[0].BlendEnable = TRUE;
+ bm.RenderTarget[0].BlendOp = bm.RenderTarget[0].BlendOpAlpha = D3D1X_(BLEND_OP_ADD);
+ bm.RenderTarget[0].SrcBlend = bm.RenderTarget[0].SrcBlendAlpha = D3D1X_(BLEND_SRC_ALPHA);
+ bm.RenderTarget[0].DestBlend = bm.RenderTarget[0].DestBlendAlpha = D3D1X_(BLEND_INV_SRC_ALPHA);
+ bm.RenderTarget[0].RenderTargetWriteMask = D3D1X_(COLOR_WRITE_ENABLE_ALL);
+ #endif
+
+ RenderParams.pDevice->CreateBlendState(&bm, &pBlendState.GetRawRef());
+ }
+
+ if(!pRasterizerState)
+ {
+ D3D1X_(RASTERIZER_DESC) rs;
+ memset(&rs, 0, sizeof(rs));
+ rs.AntialiasedLineEnable = true;
+ rs.CullMode = D3D1X_(CULL_BACK);
+ rs.DepthClipEnable = true;
+ rs.FillMode = D3D1X_(FILL_SOLID);
+
+ RenderParams.pDevice->CreateRasterizerState(&rs, &pRasterizerState.GetRawRef());
+ }
+ }
+
+ if(!pVB)
+ {
+ pVB = *new Buffer(&RenderParams);
+
+ if(pVB)
+ {
+ const size_t vertexCount = 4;
+
+ pVB->Data(Buffer_Vertex, NULL, vertexCount * sizeof(HASWVertex));
+ HASWVertex* pVertices = (HASWVertex*)pVB->Map(0, vertexCount * sizeof(HASWVertex), Map_Discard);
+ OVR_ASSERT(pVertices);
+
+ if(pVertices)
+ {
+ const bool flip = ((RenderState.DistortionCaps & ovrDistortionCap_FlipInput) != 0);
+ const float left = -1.0f; // We currently draw this in normalized device coordinates with an stereo translation
+ const float top = -1.1f; // applied as a vertex shader uniform. In the future when we have a more formal graphics
+ const float right = 1.0f; // API abstraction we may move this draw to an overlay layer or to a more formal
+ const float bottom = 0.9f; // model/mesh scheme with a perspective projection.
+
+ pVertices[0] = HASWVertex(left, top, 0.f, Color(255, 255, 255, 255), 0.f, flip ? 1.f : 0.f);
+ pVertices[1] = HASWVertex(left, bottom, 0.f, Color(255, 255, 255, 255), 0.f, flip ? 0.f : 1.f);
+ pVertices[2] = HASWVertex(right, top, 0.f, Color(255, 255, 255, 255), 1.f, flip ? 1.f : 0.f);
+ pVertices[3] = HASWVertex(right, bottom, 0.f, Color(255, 255, 255, 255), 1.f, flip ? 0.f : 1.f);
+
+ pVB->Unmap(pVertices);
+ }
+ }
+ }
+}
+
+
+// Note: If we are drawing this warning onto the eye texture before distortion, the "time warp" functionality
+// will cause the warning to shake on the screen when the user moves their head. One solution is to disable
+// time warping while the warning or any screen-static GUI elements are present.
+
+void HSWDisplay::RenderInternal(ovrEyeType eye, const ovrTexture* eyeTexture)
+{
+ if(RenderEnabled && eyeTexture)
+ {
+ // We need to render to the eyeTexture with the texture viewport.
+ // Setup rendering to the texture.
+ ovrD3D1X(Texture)* eyeTextureD3D = const_cast<ovrD3D1X(Texture)*>(reinterpret_cast<const ovrD3D1X(Texture)*>(eyeTexture));
+ OVR_ASSERT(eyeTextureD3D->Texture.Header.API == ((OVR_D3D_VERSION == 10) ? ovrRenderAPI_D3D10 : ovrRenderAPI_D3D11));
+
+ // D3D10 is currently disabled while we track down a bug that results in a black screen.
+ //if(eyeTextureD3D->Texture.Header.API == ovrRenderAPI_D3D10)
+ // return;
+
+ // Load the graphics if not loaded already.
+ if(!pVB)
+ LoadGraphics();
+
+ // Calculate ortho projection.
+ GetOrthoProjection(RenderState, OrthoProjection);
+
+ // Save settings
+ // To do: Merge this saved state with that done by DistortionRenderer::GraphicsState::Save(), and put them in a shared location.
+ Ptr<ID3D1xBlendState> pBlendStateSaved;
+ FLOAT blendFactorSaved[4];
+ UINT blendSampleMaskSaved;
+ RenderParams.pContext->OMGetBlendState(&pBlendStateSaved.GetRawRef(), blendFactorSaved, &blendSampleMaskSaved);
+
+ Ptr<ID3D1xRasterizerState> pRasterizerStateSaved;
+ RenderParams.pContext->RSGetState(&pRasterizerStateSaved.GetRawRef());
+
+ Ptr<ID3D1xRenderTargetView> pTextureRenderTargetViewSaved;
+ Ptr<ID3D1xDepthStencilView> pDepthStencilViewSaved;
+ RenderParams.pContext->OMGetRenderTargets(1, &pTextureRenderTargetViewSaved.GetRawRef(), &pDepthStencilViewSaved.GetRawRef());
+
+ #ifndef D3D10_VIEWPORT_AND_SCISSORRECT_OBJECT_COUNT_PER_PIPELINE // D3D10 doesn't define this, so we pretend that it does.
+ #define D3D10_VIEWPORT_AND_SCISSORRECT_OBJECT_COUNT_PER_PIPELINE 4
+ #endif
+ D3D1x_VIEWPORT d3dViewportSaved[D3D1X_(VIEWPORT_AND_SCISSORRECT_OBJECT_COUNT_PER_PIPELINE)];
+ UINT viewportCountSaved = OVR_ARRAY_COUNT(d3dViewportSaved);
+ RenderParams.pContext->RSGetViewports(&viewportCountSaved, d3dViewportSaved);
+
+ UINT stencilRefSaved;
+ Ptr<ID3D1xDepthStencilState> pDepthStencilStateSaved;
+ RenderParams.pContext->OMGetDepthStencilState(&pDepthStencilStateSaved.GetRawRef(), &stencilRefSaved);
+
+ Ptr<ID3D1xInputLayout> pInputLayoutSaved;
+ RenderParams.pContext->IAGetInputLayout(&pInputLayoutSaved.GetRawRef());
+
+ Ptr<ID3D1xBuffer> pVertexBufferSaved;
+ UINT vertexStrideSaved[1];
+ UINT vertexOffsetSaved[1];
+ RenderParams.pContext->IAGetVertexBuffers(0, 1, &pVertexBufferSaved.GetRawRef(), vertexStrideSaved, vertexOffsetSaved);
+
+ D3D1X_(PRIMITIVE_TOPOLOGY) topologySaved;
+ RenderParams.pContext->IAGetPrimitiveTopology(&topologySaved);
+
+
+ // Set our settings
+ RenderParams.pContext->OMSetBlendState(pBlendState, NULL, 0xffffffff);
+ RenderParams.pContext->RSSetState(pRasterizerState);
+
+ // We can't necessarily use a NULL D3D11_RENDER_TARGET_VIEW_DESC argument to CreateRenderTargetView, because we are rendering to
+ // a texture that somebody else created and which may have been created in a typeless format (e.g. DXGI_FORMAT_R8G8B8A8_TYPELESS).
+ // So what we do is check to see if the texture format is a typeless format and if see we pass a suitable D3D11_RENDER_TARGET_VIEW_DESC
+ // to CreateRenderTargetView instead of NULL.
+ D3D1X_(TEXTURE2D_DESC) texture2DDesc;
+ eyeTextureD3D->D3D_NS.pTexture->GetDesc(&texture2DDesc);
+
+ D3D1X_(RENDER_TARGET_VIEW_DESC) renderTargetViewDesc;
+ memset(&renderTargetViewDesc, 0, sizeof(renderTargetViewDesc));
+ renderTargetViewDesc.Format = GetFullyTypedDXGIFormat(texture2DDesc.Format); // DXGI_FORMAT. If this is a typeless format then GetFullyTypedFormat converts it to a fully typed format.
+ renderTargetViewDesc.ViewDimension = (texture2DDesc.SampleDesc.Count > 1) ? D3D1X_(RTV_DIMENSION_TEXTURE2DMS) : D3D1X_(RTV_DIMENSION_TEXTURE2D);
+ renderTargetViewDesc.Texture2D.MipSlice = 0;
+ Ptr<ID3D1xRenderTargetView> pTextureRenderTargetView;
+ HRESULT hResult = RenderParams.pDevice->CreateRenderTargetView(eyeTextureD3D->D3D_NS.pTexture, (renderTargetViewDesc.Format == texture2DDesc.Format) ? NULL : &renderTargetViewDesc, &pTextureRenderTargetView.GetRawRef());
+
+ if(SUCCEEDED(hResult))
+ {
+ RenderParams.pContext->OMSetRenderTargets(1, &pTextureRenderTargetView.GetRawRef(), NULL); // We currently don't bind a depth buffer.
+
+ D3D1x_VIEWPORT D3DViewport;
+
+ OVR_DISABLE_MSVC_WARNING(4244) // conversion from int to float
+ D3DViewport.TopLeftX = eyeTextureD3D->Texture.Header.RenderViewport.Pos.x;
+ D3DViewport.TopLeftY = eyeTextureD3D->Texture.Header.RenderViewport.Pos.y;
+ D3DViewport.Width = eyeTextureD3D->Texture.Header.RenderViewport.Size.w;
+ D3DViewport.Height = eyeTextureD3D->Texture.Header.RenderViewport.Size.h;
+ D3DViewport.MinDepth = 0;
+ D3DViewport.MaxDepth = 1;
+ RenderParams.pContext->RSSetViewports(1, &D3DViewport);
+ OVR_RESTORE_MSVC_WARNING()
+
+ // We don't set up a world/view/projection matrix because we are using
+ // normalized device coordinates below.
+
+ // We don't set the depth state because we aren't using it.
+ // RenderParams.pContext->OMSetDepthStencilState(<depth state>, 0);
+
+ ShaderFill fill(pShaderSet);
+ fill.SetInputLayout(pVertexInputLayout);
+ if(pTexture)
+ fill.SetTexture(0, pTexture, Shader_Pixel);
+
+ const float scale = HSWDISPLAY_SCALE * ((RenderState.OurHMDInfo.HmdType == HmdType_DK1) ? 0.70f : 1.f);
+ pShaderSet->SetUniform2f("Scale", scale, scale / 2.f); // X and Y scale. Y is a fixed proportion to X in order to give a certain aspect ratio.
+ pShaderSet->SetUniform4f("Color", 1.f, 1.f, 1.f, 1.f);
+ pShaderSet->SetUniform2f("PositionOffset", OrthoProjection[eye].GetTranslation().x, 0.0f);
+
+ RenderParams.pContext->IASetInputLayout((ID3D1xInputLayout*)fill.GetInputLayout());
+
+ ID3D1xBuffer* vertexBuffer = pVB->GetBuffer();
+ UINT vertexStride = sizeof(HASWVertex);
+ UINT vertexOffset = 0;
+ RenderParams.pContext->IASetVertexBuffers(0, 1, &vertexBuffer, &vertexStride, &vertexOffset);
+
+ ShaderBase* vShaderBase = (ShaderBase*)pShaderSet->GetShader(OVR::CAPI::D3D_NS::Shader_Vertex);
+ unsigned char* vertexData = vShaderBase->UniformData;
+
+ if (vertexData)
+ {
+ UniformBufferArray[OVR::CAPI::D3D_NS::Shader_Vertex]->Data(OVR::CAPI::D3D_NS::Buffer_Uniform, vertexData, vShaderBase->UniformsSize);
+ vShaderBase->SetUniformBuffer(UniformBufferArray[OVR::CAPI::D3D_NS::Shader_Vertex]);
+ }
+
+ for (int i = (OVR::CAPI::D3D_NS::Shader_Vertex + 1); i < OVR::CAPI::D3D_NS::Shader_Count; i++)
+ {
+ if (pShaderSet->GetShader(i))
+ {
+ ((ShaderBase*)pShaderSet->GetShader(i))->UpdateBuffer(UniformBufferArray[i]);
+ ((ShaderBase*)pShaderSet->GetShader(i))->SetUniformBuffer(UniformBufferArray[i]);
+ }
+ }
+
+ RenderParams.pContext->IASetPrimitiveTopology(D3D1X_(PRIMITIVE_TOPOLOGY_TRIANGLESTRIP));
+ fill.Set(Prim_TriangleStrip);
+
+ RenderParams.pContext->Draw(4, 0);
+ }
+ else
+ {
+ HSWDISPLAY_LOG(("[HSWDisplay D3D1x] CreateRenderTargetView() failed"));
+ }
+
+
+ // Restore settings
+ RenderParams.pContext->IASetPrimitiveTopology(topologySaved);
+ RenderParams.pContext->IASetVertexBuffers(0, 1, &pVertexBufferSaved.GetRawRef(), &vertexStrideSaved[0], &vertexOffsetSaved[0]);
+ RenderParams.pContext->IASetInputLayout(pInputLayoutSaved);
+ RenderParams.pContext->OMSetDepthStencilState(pDepthStencilStateSaved, stencilRefSaved);
+ RenderParams.pContext->RSSetViewports(viewportCountSaved, d3dViewportSaved);
+ RenderParams.pContext->OMSetRenderTargets(1, &pTextureRenderTargetViewSaved.GetRawRef(), pDepthStencilViewSaved);
+ RenderParams.pContext->RSSetState(pRasterizerStateSaved);
+ RenderParams.pContext->OMSetBlendState(pBlendStateSaved, blendFactorSaved, blendSampleMaskSaved);
+ }
+}
+
+}}} // namespace OVR::CAPI::D3D_NS
+
+
+#endif // OVR_D3D_VERSION
+
+
+
+
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