0.4 Win-Beta0.4.0

1 files changed, 433 insertions, 0 deletions

diff --git a/LibOVR/Src/CAPI/D3D1X/CAPI_D3D9_HSWDisplay.cpp b/LibOVR/Src/CAPI/D3D1X/CAPI_D3D9_HSWDisplay.cpp
new file mode 100644
index 0000000..3daad5d
--- /dev/null
+++ b/LibOVR/Src/CAPI/D3D1X/CAPI_D3D9_HSWDisplay.cpp
@@ -0,0 +1,433 @@
+/************************************************************************************
+
+Filename    :   CAPI_D3D9_HSWDisplay.cpp
+Content     :   Implements Health and Safety Warning system.
+Created     :   July 7, 2014
+Authors     :   Paul Pedriana
+
+Copyright   :   Copyright 2014 Oculus VR, Inc. All Rights reserved.
+
+Licensed under the Oculus VR Rift SDK License Version 3.1 (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-3.1 
+
+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.
+
+************************************************************************************/
+
+#define OVR_D3D_VERSION 9
+#include "CAPI_D3D9_HSWDisplay.h"
+#include "../../OVR_CAPI_D3D.h"
+#undef  OVR_D3D_VERSION
+
+#include <d3d9.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"
+
+#include "../Textures/healthAndSafety.tga.h"
+
+
+
+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 D3D9 {
+
+// This is a temporary function implementation, and it functionality needs to be implemented in a more generic way.
+IDirect3DTexture9* LoadTextureTga(HSWRenderParams& rParams, OVR::File* f, uint8_t alpha)
+{
+    IDirect3DTexture9* pTexture = NULL;
+
+    int width, height;
+    const uint8_t* pRGBA = LoadTextureTgaData(f, alpha, width, height);
+
+    if (pRGBA)
+    {
+        // We don't have access to D3DX9 and so we currently have to do this manually instead of calling a D3DX9 utility function.
+        Ptr<IDirect3DTexture9> pTextureSysmem;
+        HRESULT hResult = rParams.Device->CreateTexture((UINT)width, (UINT)height, 1, 0, D3DFMT_A8R8G8B8, D3DPOOL_SYSTEMMEM, &pTextureSysmem.GetRawRef(), NULL);
+
+        if(FAILED(hResult))
+            { HSWDISPLAY_LOG(("CreateTexture(D3DPOOL_SYSTEMMEM) failed. %d (%x)", hResult, hResult)); }
+        else
+        {
+            // Lock the texture so we can write this frame's texel data
+            D3DLOCKED_RECT lock;
+            hResult = pTextureSysmem->LockRect(0, &lock, NULL, D3DLOCK_NOSYSLOCK | D3DLOCK_NO_DIRTY_UPDATE);
+            if(FAILED(hResult))
+                { HSWDISPLAY_LOG(("LockRect failed. %d (%x)", hResult, hResult)); }
+            else
+            {
+                // Four bytes per pixel. Pitch bytes per row (will be >= w * 4).
+                uint8_t*       pRow = (uint8_t*)lock.pBits;
+                const uint8_t* pSource = pRGBA;
+
+                for(int y = 0; y < height; y++, pRow += lock.Pitch, pSource += (width * 4))
+                {
+                    uint8_t* pDest = pRow;
+
+                    for(int x = 0, xEnd = width * 4; x < xEnd; x += 4)
+                    {
+                        pDest[x + 0] = pSource[x + 2];
+                        pDest[x + 1] = pSource[x + 1];
+                        pDest[x + 2] = pSource[x + 0];
+                        pDest[x + 3] = pSource[x + 3];
+                    }
+                }
+
+                pTextureSysmem->UnlockRect(0);
+
+                hResult = rParams.Device->CreateTexture((UINT)width, (UINT)height, 1, 0, D3DFMT_A8R8G8B8, D3DPOOL_DEFAULT, &pTexture, NULL);
+                if(FAILED(hResult))
+                    { HSWDISPLAY_LOG(("CreateTexture(D3DPOOL_DEFAULT) failed. %d (%x)", hResult, hResult)); }
+                else
+                {
+                    hResult = rParams.Device->UpdateTexture(pTextureSysmem, pTexture);
+                    if(FAILED(hResult))
+                    {
+                        HSWDISPLAY_LOG(("UpdateTexture failed. %d (%x)", hResult, hResult));
+                        pTexture->Release();
+                        pTexture = NULL;
+                    }
+                }
+            }
+        }
+
+        OVR_FREE(const_cast<uint8_t*>(pRGBA));
+    }
+
+    return pTexture;
+}
+
+
+// Loads a texture from a memory image of a TGA file.
+IDirect3DTexture9* LoadTextureTga(HSWRenderParams& rParams, const uint8_t* pData, int dataSize, uint8_t alpha)
+{
+    MemoryFile memoryFile("", pData, dataSize);
+
+    return LoadTextureTga(rParams, &memoryFile, alpha);
+}
+
+
+// Loads a texture from a disk TGA file.
+IDirect3DTexture9* LoadTextureTga(HSWRenderParams& rParams, const char* pFilePath, uint8_t alpha)
+{
+    SysFile sysFile;
+
+    if(sysFile.Open(pFilePath, FileConstants::Open_Read | FileConstants::Open_Buffered))
+        return LoadTextureTga(rParams, &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);
+    }
+};
+
+#define HASWVertexD3D9Format (D3DFVF_XYZ | D3DFVF_DIFFUSE | D3DFVF_TEX1)
+
+
+// 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)
+{
+    const ovrD3D9Config* config = reinterpret_cast<const ovrD3D9Config*>(apiConfig);
+
+    if(config)
+    {
+	    RenderParams.Device     = config->D3D9.pDevice;
+        RenderParams.SwapChain  = config->D3D9.pSwapChain;
+	    RenderParams.ScreenSize = config->D3D9.Header.RTSize;
+    }
+    else
+    {
+        UnloadGraphics();
+    }
+
+    return true;
+}
+
+void HSWDisplay::Shutdown()
+{
+    UnloadGraphics();
+}
+
+void HSWDisplay::DisplayInternal()
+{
+    HSWDISPLAY_LOG(("[HSWDisplay D3D9] DisplayInternal()"));
+    // We may want to call LoadGraphics here instead of within Render.
+}
+
+void HSWDisplay::DismissInternal()
+{
+    HSWDISPLAY_LOG(("[HSWDisplay D3D9] DismissInternal()"));
+    UnloadGraphics();
+}
+
+
+void HSWDisplay::UnloadGraphics()
+{
+    // RenderParams: No need to clear.
+    pTexture.Clear();
+    pVB.Clear();
+    // OrthoProjection: No need to clear.
+}
+
+
+void HSWDisplay::LoadGraphics()
+{
+    // As of this writing, we don't yet have an abstraction for Textures, Buffers, and Shaders like we do for D3D11, D3D11, and OpenGL.
+    #if defined(OVR_BUILD_DEBUG)
+        if(!pTexture)
+            pTexture = *LoadTextureTga(RenderParams, "C:\\TestPath\\TestFile.tga", 255);
+    #endif
+
+    if(!pTexture)
+    {
+        D3DCAPS9 caps;
+        RenderParams.Device->GetDeviceCaps(&caps);
+
+        if(caps.TextureCaps & (D3DPTEXTURECAPS_SQUAREONLY | D3DPTEXTURECAPS_POW2))
+            { HSWDISPLAY_LOG(("[HSWDisplay D3D9] Square textures allowed only.")); }
+
+        pTexture = *LoadTextureTga(RenderParams, healthAndSafety_tga, (int)sizeof(healthAndSafety_tga), 255);
+        OVR_ASSERT(pTexture);
+    }
+
+    if(!pVB)
+    {
+        HRESULT hResult = RenderParams.Device->CreateVertexBuffer(4 * sizeof(HASWVertex), NULL, HASWVertexD3D9Format, D3DPOOL_MANAGED, &pVB.GetRawRef(), NULL);
+
+        if(FAILED(hResult))
+            { HSWDISPLAY_LOG(("[HSWDisplay D3D9] CreateVertexBuffer failed. %d (%x)", hResult, hResult)); }
+        else
+        {
+            void* pVerticesVoid;
+            hResult = pVB->Lock(0, 0, (void**)&pVerticesVoid, 0);
+
+            if(FAILED(hResult))
+                { HSWDISPLAY_LOG(("[HSWDisplay D3D9] Lock failed. %d (%x)", hResult, hResult)); }
+            else
+            {
+                HASWVertex* pVertices = reinterpret_cast<HASWVertex*>(pVerticesVoid);
+
+                const bool  flip   = ((RenderState.DistortionCaps & ovrDistortionCap_FlipInput) != 0);
+                const float left   = -1.0f;
+                const float top    = -1.1f;
+                const float right  = +1.0f;
+                const float bottom = +0.9f;
+
+                pVertices[0] = HASWVertex(left,  top,    0.f, Color(255, 255, 255, 255), 0.f, flip ? 1.f : 0.f); // To do: Make this branchless 
+                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->Unlock();
+            }
+        }
+    }
+
+    // Calculate ortho projection.
+    GetOrthoProjection(RenderState, OrthoProjection);
+}
+
+
+void HSWDisplay::RenderInternal(ovrEyeType eye, const ovrTexture* eyeTexture)
+{
+    if(RenderEnabled && eyeTexture)
+    {
+        // Note: The D3D9 implementation below is entirely fixed-function and isn't yet using shaders.
+        // For the time being this is sufficient, but future designs will likely necessitate moving
+        // to a system that uses programmable shaders.
+
+        // We need to render to the eyeTexture with the texture viewport.
+        // Setup rendering to the texture.
+        ovrD3D9Texture* eyeTextureD3D9 = const_cast<ovrD3D9Texture*>(reinterpret_cast<const ovrD3D9Texture*>(eyeTexture));
+        OVR_ASSERT(eyeTextureD3D9->Texture.Header.API == ovrRenderAPI_D3D9);
+
+
+        // Save previous state.
+        // To do: Merge this saved state with that done by DistortionRenderer::GraphicsState::Save(), and put them in a shared location.
+        DWORD fvfSaved;
+        RenderParams.Device->GetFVF(&fvfSaved);
+
+        Ptr<IDirect3DVertexBuffer9> pVBDSaved;
+        UINT vbOffsetSaved;
+        UINT vbStrideSaved;
+        RenderParams.Device->GetStreamSource(0, &pVBDSaved.GetRawRef(), &vbOffsetSaved, &vbStrideSaved);
+
+        Ptr<IDirect3DBaseTexture9> pTexture0Saved;
+        RenderParams.Device->GetTexture(0, &pTexture0Saved.GetRawRef());
+        Ptr<IDirect3DBaseTexture9> pTexture1Saved;
+        RenderParams.Device->GetTexture(1, &pTexture1Saved.GetRawRef());
+
+        D3DMATRIX worldMatrixSaved, viewMatrixSaved, projectionMatrixSaved, texture0MatrixSaved;
+        RenderParams.Device->GetTransform(D3DTS_WORLD, &worldMatrixSaved);
+        RenderParams.Device->GetTransform(D3DTS_VIEW, &viewMatrixSaved);
+        RenderParams.Device->GetTransform(D3DTS_PROJECTION, &projectionMatrixSaved);
+        RenderParams.Device->GetTransform(D3DTS_TEXTURE0, &texture0MatrixSaved);
+
+        Ptr<IDirect3DVertexShader9> pVertexShaderSaved;
+        RenderParams.Device->GetVertexShader(&pVertexShaderSaved.GetRawRef());
+
+        Ptr<IDirect3DPixelShader9> pPixelShaderSaved;
+        RenderParams.Device->GetPixelShader(&pPixelShaderSaved.GetRawRef());
+
+        D3DVIEWPORT9 viewportSaved;
+        RenderParams.Device->GetViewport(&viewportSaved);
+
+        Ptr<IDirect3DSurface9> pRenderTargetSaved;
+        RenderParams.Device->GetRenderTarget(0, &pRenderTargetSaved.GetRawRef());
+
+
+        // Load the graphics if not loaded already.
+        if(!pTexture)
+            LoadGraphics();
+
+        HRESULT hResult;
+
+        hResult = RenderParams.Device->BeginScene();
+        if(FAILED(hResult))
+            { HSWDISPLAY_LOG(("[HSWDisplay D3D9] BeginScene failed. %d (%x)", hResult, hResult)); }
+
+        Ptr<IDirect3DSurface9> pDestSurface;
+        hResult = eyeTextureD3D9->D3D9.pTexture->GetSurfaceLevel(0, &pDestSurface.GetRawRef());
+        if(FAILED(hResult))
+            { HSWDISPLAY_LOG(("[HSWDisplay D3D9] GetSurfaceLevel failed. %d (%x)", hResult, hResult)); }
+
+        hResult = RenderParams.Device->SetRenderTarget(0, pDestSurface);
+        if(FAILED(hResult))
+            { HSWDISPLAY_LOG(("[HSWDisplay D3D9] SetRenderTarget failed. %d (%x)", hResult, hResult)); }
+
+        D3DVIEWPORT9 D3DViewport;
+        D3DViewport.X        = eyeTextureD3D9->Texture.Header.RenderViewport.Pos.x;
+        D3DViewport.Y        = eyeTextureD3D9->Texture.Header.RenderViewport.Pos.y;    
+        D3DViewport.Width    = eyeTextureD3D9->Texture.Header.RenderViewport.Size.w;
+        D3DViewport.Height   = eyeTextureD3D9->Texture.Header.RenderViewport.Size.h;
+        D3DViewport.MinZ     = 0;
+        D3DViewport.MaxZ     = 1;
+        hResult = RenderParams.Device->SetViewport(&D3DViewport);
+        if(FAILED(hResult))
+            { HSWDISPLAY_LOG(("[HSWDisplay D3D9] SetViewport failed. %d (%x)", hResult, hResult)); }
+
+        hResult = RenderParams.Device->SetTexture(0, pTexture);
+        if(FAILED(hResult))
+            { HSWDISPLAY_LOG(("[HSWDisplay D3D9] SetTexture failed. %d (%x)", hResult, hResult)); }
+
+        RenderParams.Device->SetTextureStageState(0, D3DTSS_COLOROP, D3DTOP_SELECTARG1);
+        RenderParams.Device->SetTextureStageState(0, D3DTSS_COLORARG1, D3DTA_TEXTURE);
+        RenderParams.Device->SetTextureStageState(0, D3DTSS_COLORARG2, D3DTA_DIFFUSE);
+
+        RenderParams.Device->SetVertexShader(NULL);
+        RenderParams.Device->SetPixelShader(NULL);
+
+        hResult = RenderParams.Device->SetStreamSource(0, pVB, 0, sizeof(HASWVertex));
+        if(FAILED(hResult))
+            { HSWDISPLAY_LOG(("[HSWDisplay D3D9] SetStreamSource failed. %d (%x)", hResult, hResult)); }
+
+        RenderParams.Device->SetSamplerState(0, D3DSAMP_ADDRESSU, D3DTADDRESS_CLAMP);
+        RenderParams.Device->SetSamplerState(0, D3DSAMP_ADDRESSV, D3DTADDRESS_CLAMP);
+		RenderParams.Device->SetSamplerState(0, D3DSAMP_MINFILTER, D3DTEXF_LINEAR);
+        RenderParams.Device->SetSamplerState(0, D3DSAMP_MAGFILTER, D3DTEXF_LINEAR);
+		RenderParams.Device->SetRenderState(D3DRS_LIGHTING, FALSE);
+        RenderParams.Device->SetRenderState(D3DRS_ZENABLE, FALSE);
+        RenderParams.Device->SetRenderState(D3DRS_ZWRITEENABLE, FALSE);
+        RenderParams.Device->SetRenderState(D3DRS_ALPHABLENDENABLE, TRUE);
+        RenderParams.Device->SetRenderState(D3DRS_SRCBLEND, D3DBLEND_SRCALPHA);
+        RenderParams.Device->SetRenderState(D3DRS_DESTBLEND, D3DBLEND_INVSRCALPHA);
+
+        const float scale  = HSWDISPLAY_SCALE * ((RenderState.OurHMDInfo.HmdType == HmdType_DK1) ? 0.70f : 1.f);
+        Matrix4f identityMatrix = Matrix4f::Identity();
+        Vector3f translation = OrthoProjection[eye].GetTranslation();
+        Matrix4f orthoStereoMatrix(
+            scale, 0, 0, 0,
+            0, scale / 2, 0, 0,
+            0, 0, HSWDISPLAY_DISTANCE, 0,
+            translation.x, translation.y, translation.z, 1
+            );
+        RenderParams.Device->SetTransform(D3DTS_WORLD,      reinterpret_cast<const D3DMATRIX*>(&identityMatrix));
+        RenderParams.Device->SetTransform(D3DTS_VIEW,       reinterpret_cast<const D3DMATRIX*>(&identityMatrix));
+        RenderParams.Device->SetTransform(D3DTS_PROJECTION, reinterpret_cast<const D3DMATRIX*>(&orthoStereoMatrix));
+        RenderParams.Device->SetTransform(D3DTS_TEXTURE0,   reinterpret_cast<const D3DMATRIX*>(&identityMatrix));
+
+        hResult = RenderParams.Device->SetFVF(HASWVertexD3D9Format);
+        if(FAILED(hResult))
+            { HSWDISPLAY_LOG(("[HSWDisplay D3D9] SetFVF failed. %d (%x)", hResult, hResult)); }
+
+        hResult = RenderParams.Device->DrawPrimitive(D3DPT_TRIANGLESTRIP, 0, 2);
+        if(FAILED(hResult))
+            { HSWDISPLAY_LOG(("[HSWDisplay D3D9] DrawPrimitive failed. %d (%x)", hResult, hResult)); }
+
+        hResult = RenderParams.Device->EndScene();
+        if(FAILED(hResult))
+            { HSWDISPLAY_LOG(("[HSWDisplay D3D9] EndScene failed. %d (%x)", hResult, hResult)); }
+
+
+        // Restore previous state.
+        RenderParams.Device->SetRenderTarget(0, pRenderTargetSaved);
+        RenderParams.Device->SetViewport(&viewportSaved);
+        RenderParams.Device->SetPixelShader(pPixelShaderSaved);
+        RenderParams.Device->SetVertexShader(pVertexShaderSaved);
+        RenderParams.Device->SetTransform(D3DTS_TEXTURE0, &texture0MatrixSaved);
+        RenderParams.Device->SetTransform(D3DTS_PROJECTION, &projectionMatrixSaved);
+        RenderParams.Device->SetTransform(D3DTS_VIEW, &viewMatrixSaved);
+        RenderParams.Device->SetTransform(D3DTS_WORLD, &worldMatrixSaved);
+        RenderParams.Device->SetTexture(0, pTexture0Saved);
+        RenderParams.Device->SetTexture(1, pTexture1Saved);
+        RenderParams.Device->SetStreamSource(0, pVBDSaved, vbOffsetSaved, vbStrideSaved);
+        RenderParams.Device->SetFVF(fvfSaved);
+    }
+}
+
+
+}}} // namespace OVR::CAPI::D3D9
+
+
+
+
+
+
+