Image and RenderTarget classes now initialize their textures if required.

src/libGLESv2/renderer/Image.cpp

@@ -23,6 +23,7 @@ Image::Image()
     mActualFormat = GL_NONE;
     mTarget = GL_NONE;
     mRenderable = false;
+    mDirty = false;
 }
 
 }

src/libGLESv2/renderer/d3d11/Image11.cpp

@@ -81,7 +81,9 @@ void Image11::generateMipmap(GLuint clientVersion, Image11 *dest, Image11 *src)
 
 bool Image11::isDirty() const
 {
-    return (mStagingTexture && mDirty);
+    // Make sure that this image is marked as dirty even if the staging texture hasn't been created yet
+    // if initialization is required before use.
+    return ((mStagingTexture || gl_d3d11::RequiresTextureDataInitialization(mInternalFormat)) && mDirty);
 }
 
 bool Image11::copyToStorage(TextureStorageInterface2D *storage, int level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height)
@@ -130,6 +132,7 @@ bool Image11::redefine(Renderer *renderer, GLenum target, GLenum internalformat,
         mRenderable = gl_d3d11::GetRTVFormat(internalformat, clientVersion) != DXGI_FORMAT_UNKNOWN;
 
         SafeRelease(mStagingTexture);
+        mDirty = gl_d3d11::RequiresTextureDataInitialization(mInternalFormat);
 
         return true;
     }
@@ -316,6 +319,7 @@ void Image11::createStagingTexture()
     if (mWidth > 0 && mHeight > 0 && mDepth > 0)
     {
         ID3D11Device *device = mRenderer->getDevice();
+        HRESULT result;
 
         int lodOffset = 1;
         GLsizei width = mWidth;
@@ -339,7 +343,20 @@ void Image11::createStagingTexture()
             desc.CPUAccessFlags = D3D11_CPU_ACCESS_READ | D3D11_CPU_ACCESS_WRITE;
             desc.MiscFlags = 0;
 
-            HRESULT result = device->CreateTexture3D(&desc, NULL, &newTexture);
+            if (gl_d3d11::RequiresTextureDataInitialization(mInternalFormat))
+            {
+                std::vector<D3D11_SUBRESOURCE_DATA> initialData;
+                std::vector< std::vector<BYTE> > textureData;
+                d3d11::GenerateInitialTextureData(mInternalFormat, mRenderer->getCurrentClientVersion(), width, height,
+                                                  mDepth, lodOffset + 1, &initialData, &textureData);
+
+                result = device->CreateTexture3D(&desc, initialData.data(), &newTexture);
+            }
+            else
+            {
+                result = device->CreateTexture3D(&desc, NULL, &newTexture);
+            }
+
             if (FAILED(result))
             {
                 ASSERT(result == E_OUTOFMEMORY);
@@ -367,7 +384,19 @@ void Image11::createStagingTexture()
             desc.CPUAccessFlags = D3D11_CPU_ACCESS_READ | D3D11_CPU_ACCESS_WRITE;
             desc.MiscFlags = 0;
 
-            HRESULT result = device->CreateTexture2D(&desc, NULL, &newTexture);
+            if (gl_d3d11::RequiresTextureDataInitialization(mInternalFormat))
+            {
+                std::vector<D3D11_SUBRESOURCE_DATA> initialData;
+                std::vector< std::vector<BYTE> > textureData;
+                d3d11::GenerateInitialTextureData(mInternalFormat, mRenderer->getCurrentClientVersion(), width, height,
+                                                  1, lodOffset + 1, &initialData, &textureData);
+
+                result = device->CreateTexture2D(&desc, initialData.data(), &newTexture);
+            }
+            else
+            {
+                result = device->CreateTexture2D(&desc, NULL, &newTexture);
+            }
 
             if (FAILED(result))
             {

src/libGLESv2/renderer/d3d11/RenderTarget11.cpp

@@ -377,6 +377,14 @@ RenderTarget11::RenderTarget11(Renderer *renderer, GLsizei width, GLsizei height
                 return;
             }
             ASSERT(SUCCEEDED(result));
+
+            if (gl_d3d11::RequiresTextureDataInitialization(internalFormat))
+            {
+                ID3D11DeviceContext *context = mRenderer->getDeviceContext();
+
+                const float clearValues[4] = { 0.0f, 0.0f, 0.0f, 1.0f };
+                context->ClearRenderTargetView(mRenderTarget, clearValues);
+            }
         }
     }
 

src/libGLESv2/renderer/d3d11/renderer11_utils.cpp

@@ -9,7 +9,7 @@
 // specific to the D3D11 renderer.
 
 #include "libGLESv2/renderer/d3d11/renderer11_utils.h"
-
+#include "libGLESv2/renderer/d3d11/formatutils11.h"
 #include "common/debug.h"
 
 namespace rx
@@ -218,6 +218,34 @@ FLOAT ConvertMaxLOD(GLenum minFilter, unsigned int lodOffset)
 namespace d3d11
 {
 
+void GenerateInitialTextureData(GLint internalFormat, GLuint clientVersion, GLuint width, GLuint height, GLuint depth,
+                                GLuint mipLevels, std::vector<D3D11_SUBRESOURCE_DATA> *outSubresourceData,
+                                std::vector< std::vector<BYTE> > *outData)
+{
+    InitializeTextureDataFunction initializeFunc = gl_d3d11::GetTextureDataInitializationFunction(internalFormat);
+    DXGI_FORMAT dxgiFormat = gl_d3d11::GetTexFormat(internalFormat, clientVersion);
+
+    outSubresourceData->resize(mipLevels);
+    outData->resize(mipLevels);
+
+    for (unsigned int i = 0; i < mipLevels; i++)
+    {
+        unsigned int mipWidth = std::max(width >> i, 1U);
+        unsigned int mipHeight = std::max(height >> i, 1U);
+        unsigned int mipDepth = std::max(depth >> i, 1U);
+
+        unsigned int rowWidth = d3d11::GetFormatPixelBytes(dxgiFormat, clientVersion) * mipWidth;
+        unsigned int imageSize = rowWidth * height;
+
+        outData->at(i).resize(rowWidth * mipHeight * mipDepth);
+        initializeFunc(mipWidth, mipHeight, mipDepth, outData->at(i).data(), rowWidth, imageSize);
+
+        outSubresourceData->at(i).pSysMem = outData->at(i).data();
+        outSubresourceData->at(i).SysMemPitch = rowWidth;
+        outSubresourceData->at(i).SysMemSlicePitch = imageSize;
+    }
+}
+
 void SetPositionTexCoordVertex(PositionTexCoordVertex* vertex, float x, float y, float u, float v)
 {
     vertex->x = x;

src/libGLESv2/renderer/d3d11/renderer11_utils.h

@@ -39,6 +39,10 @@ FLOAT ConvertMaxLOD(GLenum minFilter, unsigned int lodOffset);
 namespace d3d11
 {
 
+void GenerateInitialTextureData(GLint internalFormat, GLuint clientVersion, GLuint width, GLuint height, GLuint depth,
+                                GLuint mipLevels, std::vector<D3D11_SUBRESOURCE_DATA> *outSubresourceData,
+                                std::vector< std::vector<BYTE> > *outData);
+
 struct PositionTexCoordVertex
 {
     float x, y;

src/libGLESv2/renderer/d3d9/Image9.cpp

@@ -151,6 +151,7 @@ bool Image9::redefine(rx::Renderer *renderer, GLenum target, GLenum internalform
         mRenderable = gl_d3d9::GetRenderFormat(internalformat, mRenderer) != D3DFMT_UNKNOWN;
 
         SafeRelease(mSurface);
+        mDirty = gl_d3d9::RequiresTextureDataInitialization(mInternalFormat);
 
         return true;
     }
@@ -191,6 +192,26 @@ void Image9::createSurface()
 
         newTexture->GetSurfaceLevel(levelToFetch, &newSurface);
         SafeRelease(newTexture);
+
+        if (gl_d3d9::RequiresTextureDataInitialization(mInternalFormat))
+        {
+            InitializeTextureDataFunction initializeFunc = gl_d3d9::GetTextureDataInitializationFunction(mInternalFormat);
+
+            RECT entireRect;
+            entireRect.left = 0;
+            entireRect.right = mWidth;
+            entireRect.top = 0;
+            entireRect.bottom = mHeight;
+
+            D3DLOCKED_RECT lockedRect;
+            result = newSurface->LockRect(&lockedRect, &entireRect, 0);
+            ASSERT(SUCCEEDED(result));
+
+            initializeFunc(mWidth, mHeight, 1, lockedRect.pBits, lockedRect.Pitch, 0);
+
+            result = newSurface->UnlockRect();
+            ASSERT(SUCCEEDED(result));
+        }
     }
 
     mSurface = newSurface;
@@ -233,6 +254,13 @@ D3DFORMAT Image9::getD3DFormat() const
     return mD3DFormat;
 }
 
+bool Image9::isDirty() const
+{
+    // Make sure to that this image is marked as dirty even if the staging texture hasn't been created yet
+    // if initialization is required before use.
+    return (mSurface || gl_d3d9::RequiresTextureDataInitialization(mInternalFormat)) && mDirty;
+}
+
 IDirect3DSurface9 *Image9::getSurface()
 {
     createSurface();
@@ -670,4 +698,4 @@ void Image9::copy(GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y,
     mDirty = true;
 }
 
-}
+}
\ No newline at end of file

src/libGLESv2/renderer/d3d9/Image9.h

@@ -41,7 +41,7 @@ class Image9 : public Image
 
     D3DFORMAT getD3DFormat() const;
 
-    virtual bool isDirty() const {return mSurface && mDirty;}
+    virtual bool isDirty() const;
     IDirect3DSurface9 *getSurface();
 
     virtual void setManagedSurface(TextureStorageInterface2D *storage, int level);

src/libGLESv2/renderer/d3d9/RenderTarget9.cpp

@@ -62,6 +62,8 @@ RenderTarget9::RenderTarget9(Renderer *renderer, GLsizei width, GLsizei height,
     {
         IDirect3DDevice9 *device = mRenderer->getDevice();
 
+        bool requiresInitialization = false;
+
         if (gl::GetDepthBits(internalFormat, clientVersion) > 0 ||
             gl::GetStencilBits(internalFormat, clientVersion) > 0)
         {
@@ -71,6 +73,8 @@ RenderTarget9::RenderTarget9(Renderer *renderer, GLsizei width, GLsizei height,
         }
         else
         {
+            requiresInitialization = gl_d3d9::RequiresTextureDataInitialization(internalFormat);
+
             result = device->CreateRenderTarget(width, height, renderFormat,
                                                 gl_d3d9::GetMultisampleType(supportedSamples),
                                                 0, FALSE, &mRenderTarget, NULL);
@@ -84,6 +88,18 @@ RenderTarget9::RenderTarget9(Renderer *renderer, GLsizei width, GLsizei height,
         }
 
         ASSERT(SUCCEEDED(result));
+
+        if (requiresInitialization)
+        {
+            // This format requires that the data be initialized before the render target can be used
+            // Unfortunately this requires a Get call on the d3d device but it is far better than having
+            // to mark the render target as lockable and copy data to the gpu.
+            IDirect3DSurface9 *prevRenderTarget = NULL;
+            device->GetRenderTarget(0, &prevRenderTarget);
+            device->SetRenderTarget(0, mRenderTarget);
+            device->Clear(0, NULL, D3DCLEAR_TARGET, D3DCOLOR_RGBA(0, 0, 0, 255), 0.0f, 0);
+            device->SetRenderTarget(0, prevRenderTarget);
+        }
     }
 
     mWidth = width;