Change VertexBufferInterface and VertexDataManager to use new VertexBuffer.

TRAC #22226

Signed-off-by: Nicolas Capens
Signed-off-by: Daniel Koch
Author: Geoff Lang

git-svn-id: https://angleproject.googlecode.com/svn/branches/dx11proto@1589 736b8ea6-26fd-11df-bfd4-992fa37f6226
diff --git a/src/libGLESv2/Buffer.cpp b/src/libGLESv2/Buffer.cpp
index e514423..d880cdf 100644
--- a/src/libGLESv2/Buffer.cpp
+++ b/src/libGLESv2/Buffer.cpp
@@ -70,7 +70,7 @@
 {
     memcpy(mContents + offset, data, size);
     
-    if ((mStaticVertexBuffer && mStaticVertexBuffer->size() != 0) || (mStaticIndexBuffer && mStaticIndexBuffer->size() != 0))
+    if ((mStaticVertexBuffer && mStaticVertexBuffer->getBufferSize() != 0) || (mStaticIndexBuffer && mStaticIndexBuffer->size() != 0))
     {
         invalidateStaticData();
     }
diff --git a/src/libGLESv2/renderer/VertexBuffer.cpp b/src/libGLESv2/renderer/VertexBuffer.cpp
index 5ff4b90..7ffe2da 100644
--- a/src/libGLESv2/renderer/VertexBuffer.cpp
+++ b/src/libGLESv2/renderer/VertexBuffer.cpp
@@ -9,8 +9,6 @@
 
 #include "libGLESv2/renderer/VertexBuffer.h"
 
-#include "libGLESv2/renderer/Renderer9.h"
-
 namespace rx
 {
 
@@ -35,132 +33,142 @@
     return mSerial;
 }
 
-
-unsigned int VertexBufferInterface::mCurrentSerial = 1;
-
-VertexBufferInterface::VertexBufferInterface(rx::Renderer9 *renderer, std::size_t size, DWORD usageFlags) : mRenderer(renderer), mVertexBuffer(NULL)
+VertexBufferInterface::VertexBufferInterface(rx::Renderer *renderer, bool dynamic) : mRenderer(renderer)
 {
-    if (size > 0)
-    {
-        // D3D9_REPLACE
-        HRESULT result = mRenderer->createVertexBuffer(size, usageFlags,&mVertexBuffer);
-        mSerial = issueSerial();
-
-        if (FAILED(result))
-        {
-            ERR("Out of memory allocating a vertex buffer of size %lu.", size);
-        }
-    }
-
-    mBufferSize = size;
+    mDynamic = dynamic;
     mWritePosition = 0;
-    mRequiredSpace = 0;
+    mReservedSpace = 0;
+
+    mVertexBuffer = renderer->createVertexBuffer();
 }
 
 VertexBufferInterface::~VertexBufferInterface()
 {
-    if (mVertexBuffer)
-    {
-        mVertexBuffer->Release();
-    }
-}
-
-void VertexBufferInterface::unmap()
-{
-    if (mVertexBuffer)
-    {
-        mVertexBuffer->Unlock();
-    }
-}
-
-IDirect3DVertexBuffer9 *VertexBufferInterface::getBuffer() const
-{
-    return mVertexBuffer;
+    delete mVertexBuffer;
 }
 
 unsigned int VertexBufferInterface::getSerial() const
 {
-    return mSerial;
+    return mVertexBuffer->getSerial();
 }
 
-unsigned int VertexBufferInterface::issueSerial()
+unsigned int VertexBufferInterface::getBufferSize() const
 {
-    return mCurrentSerial++;
+    return mVertexBuffer->getBufferSize();
 }
 
-void VertexBufferInterface::addRequiredSpace(UINT requiredSpace)
+bool VertexBufferInterface::setBufferSize(unsigned int size)
 {
-    mRequiredSpace += requiredSpace;
+    if (mVertexBuffer->getBufferSize() == 0)
+    {
+        return mVertexBuffer->initialize(size, mDynamic);
+    }
+    else
+    {
+        return mVertexBuffer->setBufferSize(size);
+    }
 }
 
-StreamingVertexBufferInterface::StreamingVertexBufferInterface(rx::Renderer9 *renderer, std::size_t initialSize) : VertexBufferInterface(renderer, initialSize, D3DUSAGE_DYNAMIC | D3DUSAGE_WRITEONLY)
+unsigned int VertexBufferInterface::getWritePosition() const
 {
+    return mWritePosition;
+}
+
+void VertexBufferInterface::setWritePosition(unsigned int writePosition)
+{
+    mWritePosition = writePosition;
+}
+
+bool VertexBufferInterface::discard()
+{
+    return mVertexBuffer->discard();
+}
+
+int VertexBufferInterface::storeVertexAttributes(const gl::VertexAttribute &attrib, GLint start, GLsizei count, GLsizei instances)
+{
+    if (!reserveSpace(mReservedSpace))
+    {
+        return -1;
+    }
+    mReservedSpace = 0;
+
+    if (!mVertexBuffer->storeVertexAttributes(attrib, start, count, instances, mWritePosition))
+    {
+        return -1;
+    }
+
+    int oldWritePos = static_cast<int>(mWritePosition);
+    mWritePosition += mVertexBuffer->getSpaceRequired(attrib, count, instances);
+
+    return oldWritePos;
+}
+
+int VertexBufferInterface::storeRawData(const void* data, unsigned int size)
+{
+    if (!reserveSpace(mReservedSpace))
+    {
+        return -1;
+    }
+    mReservedSpace = 0;
+
+    if (!mVertexBuffer->storeRawData(data, size, mWritePosition))
+    {
+        return -1;
+    }
+
+    int oldWritePos = static_cast<int>(mWritePosition);
+    mWritePosition += size;
+
+    return oldWritePos;
+}
+
+void VertexBufferInterface::reserveVertexSpace(const gl::VertexAttribute &attribute, GLsizei count, GLsizei instances)
+{
+    mReservedSpace += mVertexBuffer->getSpaceRequired(attribute, count, instances);
+}
+
+void VertexBufferInterface::reserveRawDataSpace(unsigned int size)
+{
+    mReservedSpace += size;
+}
+
+VertexBuffer* VertexBufferInterface::getVertexBuffer() const
+{
+    return mVertexBuffer;
+}
+
+
+StreamingVertexBufferInterface::StreamingVertexBufferInterface(rx::Renderer *renderer, std::size_t initialSize) : VertexBufferInterface(renderer, true)
+{
+    setBufferSize(initialSize);
 }
 
 StreamingVertexBufferInterface::~StreamingVertexBufferInterface()
 {
 }
 
-void *StreamingVertexBufferInterface::map(const gl::VertexAttribute &attribute, std::size_t requiredSpace, std::size_t *offset)
+bool StreamingVertexBufferInterface::reserveSpace(unsigned int size)
 {
-    void *mapPtr = NULL;
-
-    if (mVertexBuffer)
+    bool result = true;
+    unsigned int curBufferSize = getBufferSize();
+    if (size > curBufferSize)
     {
-        HRESULT result = mVertexBuffer->Lock(mWritePosition, requiredSpace, &mapPtr, D3DLOCK_NOOVERWRITE);
-
-        if (FAILED(result))
+        result = setBufferSize(std::max(size, 3 * curBufferSize / 2));
+        setWritePosition(0);
+    }
+    else if (getWritePosition() + size > curBufferSize)
+    {
+        if (!discard())
         {
-            ERR("Lock failed with error 0x%08x", result);
-            return NULL;
+            return false;
         }
-
-        *offset = mWritePosition;
-        mWritePosition += requiredSpace;
+        setWritePosition(0);
     }
 
-    return mapPtr;
+    return result;
 }
 
-void StreamingVertexBufferInterface::reserveRequiredSpace()
-{
-    if (mRequiredSpace > mBufferSize)
-    {
-        if (mVertexBuffer)
-        {
-            mVertexBuffer->Release();
-            mVertexBuffer = NULL;
-        }
-
-        mBufferSize = std::max(mRequiredSpace, 3 * mBufferSize / 2);   // 1.5 x mBufferSize is arbitrary and should be checked to see we don't have too many reallocations.
-
-        // D3D9_REPLACE
-        HRESULT result = mRenderer->createVertexBuffer(mBufferSize, D3DUSAGE_DYNAMIC | D3DUSAGE_WRITEONLY, &mVertexBuffer);
-        mSerial = issueSerial();
-
-        if (FAILED(result))
-        {
-            ERR("Out of memory allocating a vertex buffer of size %lu.", mBufferSize);
-        }
-
-        mWritePosition = 0;
-    }
-    else if (mWritePosition + mRequiredSpace > mBufferSize)   // Recycle
-    {
-        if (mVertexBuffer)
-        {
-            void *dummy;
-            mVertexBuffer->Lock(0, 1, &dummy, D3DLOCK_DISCARD);
-            mVertexBuffer->Unlock();
-        }
-
-        mWritePosition = 0;
-    }
-
-    mRequiredSpace = 0;
-}
-
-StaticVertexBufferInterface::StaticVertexBufferInterface(rx::Renderer9 *renderer) : VertexBufferInterface(renderer, 0, D3DUSAGE_WRITEONLY)
+StaticVertexBufferInterface::StaticVertexBufferInterface(rx::Renderer *renderer) : VertexBufferInterface(renderer, false)
 {
 }
 
@@ -168,56 +176,7 @@
 {
 }
 
-void *StaticVertexBufferInterface::map(const gl::VertexAttribute &attribute, std::size_t requiredSpace, std::size_t *streamOffset)
-{
-    void *mapPtr = NULL;
-
-    if (mVertexBuffer)
-    {
-        HRESULT result = mVertexBuffer->Lock(mWritePosition, requiredSpace, &mapPtr, 0);
-
-        if (FAILED(result))
-        {
-            ERR("Lock failed with error 0x%08x", result);
-            return NULL;
-        }
-
-        int attributeOffset = attribute.mOffset % attribute.stride();
-        VertexElement element = {attribute.mType, attribute.mSize, attribute.stride(), attribute.mNormalized, attributeOffset, mWritePosition};
-        mCache.push_back(element);
-
-        *streamOffset = mWritePosition;
-        mWritePosition += requiredSpace;
-    }
-
-    return mapPtr;
-}
-
-void StaticVertexBufferInterface::reserveRequiredSpace()
-{
-    if (!mVertexBuffer && mBufferSize == 0)
-    {
-        // D3D9_REPLACE
-        HRESULT result = mRenderer->createVertexBuffer(mRequiredSpace, D3DUSAGE_WRITEONLY, &mVertexBuffer);
-        mSerial = issueSerial();
-
-        if (FAILED(result))
-        {
-            ERR("Out of memory allocating a vertex buffer of size %lu.", mRequiredSpace);
-        }
-
-        mBufferSize = mRequiredSpace;
-    }
-    else if (mVertexBuffer && mBufferSize >= mRequiredSpace)
-    {
-        // Already allocated
-    }
-    else UNREACHABLE();   // Static vertex buffers can't be resized
-
-    mRequiredSpace = 0;
-}
-
-std::size_t StaticVertexBufferInterface::lookupAttribute(const gl::VertexAttribute &attribute)
+int StaticVertexBufferInterface::lookupAttribute(const gl::VertexAttribute &attribute)
 {
     for (unsigned int element = 0; element < mCache.size(); element++)
     {
@@ -236,4 +195,32 @@
     return -1;
 }
 
+bool StaticVertexBufferInterface::reserveSpace(unsigned int size)
+{
+    unsigned int curSize = getBufferSize();
+    if (curSize == 0)
+    {
+        setBufferSize(size);
+        return true;
+    }
+    else if (curSize >= size)
+    {
+        return true;
+    }
+    else
+    {
+        UNREACHABLE();   // Static vertex buffers can't be resized
+        return false;
+    }
+}
+
+int StaticVertexBufferInterface::storeVertexAttributes(const gl::VertexAttribute &attrib, GLint start, GLsizei count, GLsizei instances)
+{
+    int attributeOffset = attrib.mOffset % attrib.stride();
+    VertexElement element = { attrib.mType, attrib.mSize, attrib.stride(), attrib.mNormalized, attributeOffset, getWritePosition() };
+    mCache.push_back(element);
+
+    return VertexBufferInterface::storeVertexAttributes(attrib, start, count, instances);
+}
+
 }
diff --git a/src/libGLESv2/renderer/VertexBuffer.h b/src/libGLESv2/renderer/VertexBuffer.h
index 0d96a94..4181d52 100644
--- a/src/libGLESv2/renderer/VertexBuffer.h
+++ b/src/libGLESv2/renderer/VertexBuffer.h
@@ -17,6 +17,7 @@
 #include <GLES2/gl2.h>
 
 #include "libGLESv2/Context.h"
+#include "libGLESv2/renderer/Renderer.h"
 
 namespace rx
 {
@@ -55,55 +56,66 @@
 class VertexBufferInterface
 {
   public:
-    VertexBufferInterface(rx::Renderer9 *renderer, std::size_t size, DWORD usageFlags);
+    VertexBufferInterface(rx::Renderer *renderer, bool dynamic);
     virtual ~VertexBufferInterface();
 
-    void unmap();
-    virtual void *map(const gl::VertexAttribute &attribute, std::size_t requiredSpace, std::size_t *streamOffset) = 0;
+    void reserveVertexSpace(const gl::VertexAttribute &attribute, GLsizei count, GLsizei instances);
+    void reserveRawDataSpace(unsigned int size);
 
-    std::size_t size() const { return mBufferSize; }
-    virtual void reserveRequiredSpace() = 0;
-    void addRequiredSpace(UINT requiredSpace);
+    unsigned int getBufferSize() const;
 
-    IDirect3DVertexBuffer9 *getBuffer() const;
     unsigned int getSerial() const;
 
+    virtual int storeVertexAttributes(const gl::VertexAttribute &attrib, GLint start, GLsizei count, GLsizei instances);
+    virtual int storeRawData(const void* data, unsigned int size);
+
+    VertexBuffer* getVertexBuffer() const;
+
   protected:
-    rx::Renderer9 *const mRenderer;   // D3D9_REPLACE
-    IDirect3DVertexBuffer9 *mVertexBuffer;
+    virtual bool reserveSpace(unsigned int size) = 0;
 
-    unsigned int mSerial;
-    static unsigned int issueSerial();
-    static unsigned int mCurrentSerial;
+    unsigned int getWritePosition() const;
+    void setWritePosition(unsigned int writePosition);
 
-    std::size_t mBufferSize;
-    std::size_t mWritePosition;
-    std::size_t mRequiredSpace;
+    bool discard();
+
+    bool setBufferSize(unsigned int size);
 
   private:
     DISALLOW_COPY_AND_ASSIGN(VertexBufferInterface);
+
+    rx::Renderer *const mRenderer;
+
+    VertexBuffer* mVertexBuffer;
+
+    unsigned int mWritePosition;
+    unsigned int mReservedSpace;
+    bool mDynamic;
 };
 
 class StreamingVertexBufferInterface : public VertexBufferInterface
 {
   public:
-    StreamingVertexBufferInterface(rx::Renderer9 *renderer, std::size_t initialSize);
+    StreamingVertexBufferInterface(rx::Renderer *renderer, std::size_t initialSize);
     ~StreamingVertexBufferInterface();
 
-    void *map(const gl::VertexAttribute &attribute, std::size_t requiredSpace, std::size_t *streamOffset);
-    void reserveRequiredSpace();
+  protected:
+    bool reserveSpace(unsigned int size);
 };
 
 class StaticVertexBufferInterface : public VertexBufferInterface
 {
   public:
-    explicit StaticVertexBufferInterface(rx::Renderer9 *renderer);
+    explicit StaticVertexBufferInterface(rx::Renderer *renderer);
     ~StaticVertexBufferInterface();
 
-    void *map(const gl::VertexAttribute &attribute, std::size_t requiredSpace, std::size_t *streamOffset);
-    void reserveRequiredSpace();
+    int storeVertexAttributes(const gl::VertexAttribute &attrib, GLint start, GLsizei count, GLsizei instances);
 
-    std::size_t lookupAttribute(const gl::VertexAttribute &attribute);   // Returns the offset into the vertex buffer, or -1 if not found
+    // Returns the offset into the vertex buffer, or -1 if not found
+    int lookupAttribute(const gl::VertexAttribute &attribute);
+
+  protected:
+    bool reserveSpace(unsigned int size);
 
   private:
     struct VertexElement
@@ -114,7 +126,7 @@
         bool normalized;
         int attributeOffset;
 
-        std::size_t streamOffset;
+        unsigned int streamOffset;
     };
 
     std::vector<VertexElement> mCache;
diff --git a/src/libGLESv2/renderer/VertexDataManager.cpp b/src/libGLESv2/renderer/VertexDataManager.cpp
index f08ed64..99d03d5 100644
--- a/src/libGLESv2/renderer/VertexDataManager.cpp
+++ b/src/libGLESv2/renderer/VertexDataManager.cpp
@@ -31,13 +31,13 @@
 namespace rx
 {
 
-int elementsInBuffer(const gl::VertexAttribute &attribute, int size)
+static int elementsInBuffer(const gl::VertexAttribute &attribute, int size)
 {
     int stride = attribute.stride();
     return (size - attribute.mOffset % stride + (stride - attribute.typeSize())) / stride;
 }
 
-VertexDataManager::VertexDataManager(Renderer9 *renderer) : mRenderer(renderer)
+VertexDataManager::VertexDataManager(Renderer *renderer) : mRenderer(renderer)
 {
     for (int i = 0; i < gl::MAX_VERTEX_ATTRIBS; i++)
     {
@@ -49,9 +49,6 @@
         mCurrentValueOffsets[i] = 0;
     }
 
-    // D3D9_REPLACE
-    checkVertexCaps(renderer->getCapsDeclTypes());
-
     mStreamingBuffer = new StreamingVertexBufferInterface(renderer, INITIAL_STREAM_BUFFER_SIZE);
 
     if (!mStreamingBuffer)
@@ -70,60 +67,6 @@
     }
 }
 
-std::size_t VertexDataManager::writeAttributeData(VertexBufferInterface *vertexBuffer, GLint start, GLsizei count, const gl::VertexAttribute &attribute, GLsizei instances)
-{
-    gl::Buffer *buffer = attribute.mBoundBuffer.get();
-
-    int inputStride = attribute.stride();
-    int elementSize = attribute.typeSize();
-    const FormatConverter &converter = formatConverter(attribute);
-    std::size_t streamOffset = 0;
-
-    void *output = NULL;
-
-    if (vertexBuffer)
-    {
-        output = vertexBuffer->map(attribute, spaceRequired(attribute, count, instances), &streamOffset);
-    }
-
-    if (output == NULL)
-    {
-        ERR("Failed to map vertex buffer.");
-        return -1;
-    }
-
-    const char *input = NULL;
-
-    if (buffer)
-    {
-        int offset = attribute.mOffset;
-
-        input = static_cast<const char*>(buffer->data()) + offset;
-    }
-    else
-    {
-        input = static_cast<const char*>(attribute.mPointer);
-    }
-
-    if (instances == 0 || attribute.mDivisor == 0)
-    {
-        input += inputStride * start;
-    }
-
-    if (converter.identity && inputStride == elementSize)
-    {
-        memcpy(output, input, count * inputStride);
-    }
-    else
-    {
-        converter.convertArray(input, inputStride, count, output);
-    }
-
-    vertexBuffer->unmap();
-
-    return streamOffset;
-}
-
 GLenum VertexDataManager::prepareVertexData(const gl::VertexAttribute attribs[], gl::ProgramBinary *programBinary, GLint start, GLsizei count, TranslatedAttribute *translated, GLsizei instances)
 {
     if (!mStreamingBuffer)
@@ -136,7 +79,7 @@
         translated[attributeIndex].active = (programBinary->getSemanticIndex(attributeIndex) != -1);
     }
 
-    // Determine the required storage size per used buffer, and invalidate static buffers that don't contain matching attributes
+    // Invalidate static buffers that don't contain matching attributes
     for (int i = 0; i < gl::MAX_VERTEX_ATTRIBS; i++)
     {
         if (translated[i].active && attribs[i].mArrayEnabled)
@@ -146,53 +89,20 @@
 
             if (staticBuffer)
             {
-                if (staticBuffer->size() == 0)
+                if (staticBuffer->getBufferSize() == 0)
                 {
                     int totalCount = elementsInBuffer(attribs[i], buffer->size());
-                    staticBuffer->addRequiredSpace(spaceRequired(attribs[i], totalCount, 0));
+                    staticBuffer->reserveVertexSpace(attribs[i], totalCount, 0);
                 }
                 else if (staticBuffer->lookupAttribute(attribs[i]) == -1)
                 {
-                    // This static buffer doesn't have matching attributes, so fall back to using the streaming buffer
-                    // Add the space of all previous attributes belonging to the invalidated static buffer to the streaming buffer
-                    for (int previous = 0; previous < i; previous++)
-                    {
-                        if (translated[previous].active && attribs[previous].mArrayEnabled)
-                        {
-                            gl::Buffer *previousBuffer = attribs[previous].mBoundBuffer.get();
-                            StaticVertexBufferInterface *previousStaticBuffer = previousBuffer ? previousBuffer->getStaticVertexBuffer() : NULL;
-
-                            if (staticBuffer == previousStaticBuffer)
-                            {
-                                mStreamingBuffer->addRequiredSpace(spaceRequired(attribs[previous], count, instances));
-                            }
-                        }
-                    }
-
-                    mStreamingBuffer->addRequiredSpace(spaceRequired(attribs[i], count, instances));
-
+                    mStreamingBuffer->reserveVertexSpace(attribs[i], count, instances);
                     buffer->invalidateStaticData();
                 }
             }
             else
             {
-                mStreamingBuffer->addRequiredSpace(spaceRequired(attribs[i], count, instances));
-            }
-        }
-    }
-
-    // Reserve the required space per used buffer
-    for (int i = 0; i < gl::MAX_VERTEX_ATTRIBS; i++)
-    {
-        if (translated[i].active && attribs[i].mArrayEnabled)
-        {
-            gl::Buffer *buffer = attribs[i].mBoundBuffer.get();
-            VertexBufferInterface *staticBuffer = buffer ? buffer->getStaticVertexBuffer() : NULL;
-            VertexBufferInterface *vertexBuffer = staticBuffer ? staticBuffer : mStreamingBuffer;
-
-            if (vertexBuffer)
-            {
-                vertexBuffer->reserveRequiredSpace();
+                mStreamingBuffer->reserveVertexSpace(attribs[i], count, instances);
             }
         }
     }
@@ -213,16 +123,16 @@
                     return GL_INVALID_OPERATION;
                 }
 
-                const FormatConverter &converter = formatConverter(attribs[i]);
-
                 StaticVertexBufferInterface *staticBuffer = buffer ? buffer->getStaticVertexBuffer() : NULL;
                 VertexBufferInterface *vertexBuffer = staticBuffer ? staticBuffer : static_cast<VertexBufferInterface*>(mStreamingBuffer);
 
                 std::size_t streamOffset = -1;
+                unsigned int outputElementSize = 0;
 
                 if (staticBuffer)
                 {
                     streamOffset = staticBuffer->lookupAttribute(attribs[i]);
+                    outputElementSize = staticBuffer->getVertexBuffer()->getSpaceRequired(attribs[i], 1, 0);
 
                     if (streamOffset == -1)
                     {
@@ -230,22 +140,23 @@
                         int totalCount = elementsInBuffer(attribs[i], buffer->size());
                         int startIndex = attribs[i].mOffset / attribs[i].stride();
 
-                        streamOffset = writeAttributeData(staticBuffer, -startIndex, totalCount, attribs[i], 0);
+                        streamOffset = staticBuffer->storeVertexAttributes(attribs[i], -startIndex, totalCount, 0);
                     }
 
                     if (streamOffset != -1)
                     {
-                        streamOffset += (attribs[i].mOffset / attribs[i].stride()) * converter.outputElementSize;
+                        streamOffset += (attribs[i].mOffset / attribs[i].stride()) * outputElementSize;
 
                         if (instances == 0 || attribs[i].mDivisor == 0)
                         {
-                            streamOffset += start * converter.outputElementSize;
+                            streamOffset += start * outputElementSize;
                         }
                     }
                 }
                 else
                 {
-                    streamOffset = writeAttributeData(mStreamingBuffer, start, count, attribs[i], instances);
+                    outputElementSize = mStreamingBuffer->getVertexBuffer()->getSpaceRequired(attribs[i], 1, 0);
+                    streamOffset = mStreamingBuffer->storeVertexAttributes(attribs[i], start, count, instances);
                 }
 
                 if (streamOffset == -1)
@@ -253,12 +164,12 @@
                     return GL_OUT_OF_MEMORY;
                 }
 
-                translated[i].vertexBuffer = vertexBuffer->getBuffer();
+                translated[i].vertexBuffer = vertexBuffer->getVertexBuffer();
                 translated[i].serial = vertexBuffer->getSerial();
                 translated[i].divisor = attribs[i].mDivisor;
 
-                translated[i].type = converter.d3dDeclType;
-                translated[i].stride = converter.outputElementSize;
+                translated[i].attribute = &attribs[i];
+                translated[i].stride = outputElementSize;
                 translated[i].offset = streamOffset;
             }
             else
@@ -275,30 +186,22 @@
                     mCurrentValue[i][2] != attribs[i].mCurrentValue[2] ||
                     mCurrentValue[i][3] != attribs[i].mCurrentValue[3])
                 {
-                    const int requiredSpace = 4 * sizeof(float);
-                    buffer->addRequiredSpace(requiredSpace);
-                    buffer->reserveRequiredSpace();
-                    float *data = static_cast<float*>(buffer->map(gl::VertexAttribute(), requiredSpace, &mCurrentValueOffsets[i]));
-                    if (data)
+                    unsigned int requiredSpace = sizeof(float) * 4;
+                    buffer->reserveRawDataSpace(requiredSpace);
+                    int streamOffset = buffer->storeRawData(attribs[i].mCurrentValue, requiredSpace);
+                    if (streamOffset == -1)
                     {
-                        data[0] = attribs[i].mCurrentValue[0];
-                        data[1] = attribs[i].mCurrentValue[1];
-                        data[2] = attribs[i].mCurrentValue[2];
-                        data[3] = attribs[i].mCurrentValue[3];
-                        buffer->unmap();
-
-                        mCurrentValue[i][0] = attribs[i].mCurrentValue[0];
-                        mCurrentValue[i][1] = attribs[i].mCurrentValue[1];
-                        mCurrentValue[i][2] = attribs[i].mCurrentValue[2];
-                        mCurrentValue[i][3] = attribs[i].mCurrentValue[3];
+                        return GL_OUT_OF_MEMORY;
                     }
+
+                    mCurrentValueOffsets[i] = streamOffset;
                 }
 
-                translated[i].vertexBuffer = mCurrentValueBuffer[i]->getBuffer();
+                translated[i].vertexBuffer = mCurrentValueBuffer[i]->getVertexBuffer();
                 translated[i].serial = mCurrentValueBuffer[i]->getSerial();
                 translated[i].divisor = 0;
 
-                translated[i].type = D3DDECLTYPE_FLOAT4;
+                translated[i].attribute = &attribs[i];
                 translated[i].stride = 0;
                 translated[i].offset = mCurrentValueOffsets[i];
             }
@@ -321,268 +224,4 @@
     return GL_NO_ERROR;
 }
 
-std::size_t VertexDataManager::spaceRequired(const gl::VertexAttribute &attrib, std::size_t count, GLsizei instances) const
-{
-    size_t elementSize = formatConverter(attrib).outputElementSize;
-
-    if (instances == 0 || attrib.mDivisor == 0)
-    {
-        return elementSize * count;
-    }
-    else
-    {
-        return elementSize * ((instances + attrib.mDivisor - 1) / attrib.mDivisor);
-    }
-}
-
-// Mapping from OpenGL-ES vertex attrib type to D3D decl type:
-//
-// BYTE                 SHORT (Cast)
-// BYTE-norm            FLOAT (Normalize) (can't be exactly represented as SHORT-norm)
-// UNSIGNED_BYTE        UBYTE4 (Identity) or SHORT (Cast)
-// UNSIGNED_BYTE-norm   UBYTE4N (Identity) or FLOAT (Normalize)
-// SHORT                SHORT (Identity)
-// SHORT-norm           SHORT-norm (Identity) or FLOAT (Normalize)
-// UNSIGNED_SHORT       FLOAT (Cast)
-// UNSIGNED_SHORT-norm  USHORT-norm (Identity) or FLOAT (Normalize)
-// FIXED (not in WebGL) FLOAT (FixedToFloat)
-// FLOAT                FLOAT (Identity)
-
-// GLToCType maps from GL type (as GLenum) to the C typedef.
-template <GLenum GLType> struct GLToCType { };
-
-template <> struct GLToCType<GL_BYTE> { typedef GLbyte type; };
-template <> struct GLToCType<GL_UNSIGNED_BYTE> { typedef GLubyte type; };
-template <> struct GLToCType<GL_SHORT> { typedef GLshort type; };
-template <> struct GLToCType<GL_UNSIGNED_SHORT> { typedef GLushort type; };
-template <> struct GLToCType<GL_FIXED> { typedef GLuint type; };
-template <> struct GLToCType<GL_FLOAT> { typedef GLfloat type; };
-
-// This differs from D3DDECLTYPE in that it is unsized. (Size expansion is applied last.)
-enum D3DVertexType
-{
-    D3DVT_FLOAT,
-    D3DVT_SHORT,
-    D3DVT_SHORT_NORM,
-    D3DVT_UBYTE,
-    D3DVT_UBYTE_NORM,
-    D3DVT_USHORT_NORM
-};
-
-// D3DToCType maps from D3D vertex type (as enum D3DVertexType) to the corresponding C type.
-template <unsigned int D3DType> struct D3DToCType { };
-
-template <> struct D3DToCType<D3DVT_FLOAT> { typedef float type; };
-template <> struct D3DToCType<D3DVT_SHORT> { typedef short type; };
-template <> struct D3DToCType<D3DVT_SHORT_NORM> { typedef short type; };
-template <> struct D3DToCType<D3DVT_UBYTE> { typedef unsigned char type; };
-template <> struct D3DToCType<D3DVT_UBYTE_NORM> { typedef unsigned char type; };
-template <> struct D3DToCType<D3DVT_USHORT_NORM> { typedef unsigned short type; };
-
-// Encode the type/size combinations that D3D permits. For each type/size it expands to a widener that will provide the appropriate final size.
-template <unsigned int type, int size>
-struct WidenRule
-{
-};
-
-template <int size> struct WidenRule<D3DVT_FLOAT, size>          : NoWiden<size> { };
-template <int size> struct WidenRule<D3DVT_SHORT, size>          : WidenToEven<size> { };
-template <int size> struct WidenRule<D3DVT_SHORT_NORM, size>     : WidenToEven<size> { };
-template <int size> struct WidenRule<D3DVT_UBYTE, size>          : WidenToFour<size> { };
-template <int size> struct WidenRule<D3DVT_UBYTE_NORM, size>     : WidenToFour<size> { };
-template <int size> struct WidenRule<D3DVT_USHORT_NORM, size>    : WidenToEven<size> { };
-
-// VertexTypeFlags encodes the D3DCAPS9::DeclType flag and vertex declaration flag for each D3D vertex type & size combination.
-template <unsigned int d3dtype, int size>
-struct VertexTypeFlags
-{
-};
-
-template <unsigned int _capflag, unsigned int _declflag>
-struct VertexTypeFlagsHelper
-{
-    enum { capflag = _capflag };
-    enum { declflag = _declflag };
-};
-
-template <> struct VertexTypeFlags<D3DVT_FLOAT, 1> : VertexTypeFlagsHelper<0, D3DDECLTYPE_FLOAT1> { };
-template <> struct VertexTypeFlags<D3DVT_FLOAT, 2> : VertexTypeFlagsHelper<0, D3DDECLTYPE_FLOAT2> { };
-template <> struct VertexTypeFlags<D3DVT_FLOAT, 3> : VertexTypeFlagsHelper<0, D3DDECLTYPE_FLOAT3> { };
-template <> struct VertexTypeFlags<D3DVT_FLOAT, 4> : VertexTypeFlagsHelper<0, D3DDECLTYPE_FLOAT4> { };
-template <> struct VertexTypeFlags<D3DVT_SHORT, 2> : VertexTypeFlagsHelper<0, D3DDECLTYPE_SHORT2> { };
-template <> struct VertexTypeFlags<D3DVT_SHORT, 4> : VertexTypeFlagsHelper<0, D3DDECLTYPE_SHORT4> { };
-template <> struct VertexTypeFlags<D3DVT_SHORT_NORM, 2> : VertexTypeFlagsHelper<D3DDTCAPS_SHORT2N, D3DDECLTYPE_SHORT2N> { };
-template <> struct VertexTypeFlags<D3DVT_SHORT_NORM, 4> : VertexTypeFlagsHelper<D3DDTCAPS_SHORT4N, D3DDECLTYPE_SHORT4N> { };
-template <> struct VertexTypeFlags<D3DVT_UBYTE, 4> : VertexTypeFlagsHelper<D3DDTCAPS_UBYTE4, D3DDECLTYPE_UBYTE4> { };
-template <> struct VertexTypeFlags<D3DVT_UBYTE_NORM, 4> : VertexTypeFlagsHelper<D3DDTCAPS_UBYTE4N, D3DDECLTYPE_UBYTE4N> { };
-template <> struct VertexTypeFlags<D3DVT_USHORT_NORM, 2> : VertexTypeFlagsHelper<D3DDTCAPS_USHORT2N, D3DDECLTYPE_USHORT2N> { };
-template <> struct VertexTypeFlags<D3DVT_USHORT_NORM, 4> : VertexTypeFlagsHelper<D3DDTCAPS_USHORT4N, D3DDECLTYPE_USHORT4N> { };
-
-
-// VertexTypeMapping maps GL type & normalized flag to preferred and fallback D3D vertex types (as D3DVertexType enums).
-template <GLenum GLtype, bool normalized>
-struct VertexTypeMapping
-{
-};
-
-template <D3DVertexType Preferred, D3DVertexType Fallback = Preferred>
-struct VertexTypeMappingBase
-{
-    enum { preferred = Preferred };
-    enum { fallback = Fallback };
-};
-
-template <> struct VertexTypeMapping<GL_BYTE, false>                        : VertexTypeMappingBase<D3DVT_SHORT> { };                       // Cast
-template <> struct VertexTypeMapping<GL_BYTE, true>                         : VertexTypeMappingBase<D3DVT_FLOAT> { };                       // Normalize
-template <> struct VertexTypeMapping<GL_UNSIGNED_BYTE, false>               : VertexTypeMappingBase<D3DVT_UBYTE, D3DVT_FLOAT> { };          // Identity, Cast
-template <> struct VertexTypeMapping<GL_UNSIGNED_BYTE, true>                : VertexTypeMappingBase<D3DVT_UBYTE_NORM, D3DVT_FLOAT> { };     // Identity, Normalize
-template <> struct VertexTypeMapping<GL_SHORT, false>                       : VertexTypeMappingBase<D3DVT_SHORT> { };                       // Identity
-template <> struct VertexTypeMapping<GL_SHORT, true>                        : VertexTypeMappingBase<D3DVT_SHORT_NORM, D3DVT_FLOAT> { };     // Cast, Normalize
-template <> struct VertexTypeMapping<GL_UNSIGNED_SHORT, false>              : VertexTypeMappingBase<D3DVT_FLOAT> { };                       // Cast
-template <> struct VertexTypeMapping<GL_UNSIGNED_SHORT, true>               : VertexTypeMappingBase<D3DVT_USHORT_NORM, D3DVT_FLOAT> { };    // Cast, Normalize
-template <bool normalized> struct VertexTypeMapping<GL_FIXED, normalized>   : VertexTypeMappingBase<D3DVT_FLOAT> { };                       // FixedToFloat
-template <bool normalized> struct VertexTypeMapping<GL_FLOAT, normalized>   : VertexTypeMappingBase<D3DVT_FLOAT> { };                       // Identity
-
-
-// Given a GL type & norm flag and a D3D type, ConversionRule provides the type conversion rule (Cast, Normalize, Identity, FixedToFloat).
-// The conversion rules themselves are defined in vertexconversion.h.
-
-// Almost all cases are covered by Cast (including those that are actually Identity since Cast<T,T> knows it's an identity mapping).
-template <GLenum fromType, bool normalized, unsigned int toType>
-struct ConversionRule : Cast<typename GLToCType<fromType>::type, typename D3DToCType<toType>::type>
-{
-};
-
-// All conversions from normalized types to float use the Normalize operator.
-template <GLenum fromType> struct ConversionRule<fromType, true, D3DVT_FLOAT> : Normalize<typename GLToCType<fromType>::type> { };
-
-// Use a full specialisation for this so that it preferentially matches ahead of the generic normalize-to-float rules.
-template <> struct ConversionRule<GL_FIXED, true, D3DVT_FLOAT>  : FixedToFloat<GLint, 16> { };
-template <> struct ConversionRule<GL_FIXED, false, D3DVT_FLOAT> : FixedToFloat<GLint, 16> { };
-
-// A 2-stage construction is used for DefaultVertexValues because float must use SimpleDefaultValues (i.e. 0/1)
-// whether it is normalized or not.
-template <class T, bool normalized>
-struct DefaultVertexValuesStage2
-{
-};
-
-template <class T> struct DefaultVertexValuesStage2<T, true>  : NormalizedDefaultValues<T> { };
-template <class T> struct DefaultVertexValuesStage2<T, false> : SimpleDefaultValues<T> { };
-
-// Work out the default value rule for a D3D type (expressed as the C type) and
-template <class T, bool normalized>
-struct DefaultVertexValues : DefaultVertexValuesStage2<T, normalized>
-{
-};
-
-template <bool normalized> struct DefaultVertexValues<float, normalized> : SimpleDefaultValues<float> { };
-
-// Policy rules for use with Converter, to choose whether to use the preferred or fallback conversion.
-// The fallback conversion produces an output that all D3D9 devices must support.
-template <class T> struct UsePreferred { enum { type = T::preferred }; };
-template <class T> struct UseFallback { enum { type = T::fallback }; };
-
-// Converter ties it all together. Given an OpenGL type/norm/size and choice of preferred/fallback conversion,
-// it provides all the members of the appropriate VertexDataConverter, the D3DCAPS9::DeclTypes flag in cap flag
-// and the D3DDECLTYPE member needed for the vertex declaration in declflag.
-template <GLenum fromType, bool normalized, int size, template <class T> class PreferenceRule>
-struct Converter
-    : VertexDataConverter<typename GLToCType<fromType>::type,
-                          WidenRule<PreferenceRule< VertexTypeMapping<fromType, normalized> >::type, size>,
-                          ConversionRule<fromType,
-                                         normalized,
-                                         PreferenceRule< VertexTypeMapping<fromType, normalized> >::type>,
-                          DefaultVertexValues<typename D3DToCType<PreferenceRule< VertexTypeMapping<fromType, normalized> >::type>::type, normalized > >
-{
-private:
-    enum { d3dtype = PreferenceRule< VertexTypeMapping<fromType, normalized> >::type };
-    enum { d3dsize = WidenRule<d3dtype, size>::finalWidth };
-
-public:
-    enum { capflag = VertexTypeFlags<d3dtype, d3dsize>::capflag };
-    enum { declflag = VertexTypeFlags<d3dtype, d3dsize>::declflag };
-};
-
-// Initialise a TranslationInfo
-#define TRANSLATION(type, norm, size, preferred)                                    \
-    {                                                                               \
-        Converter<type, norm, size, preferred>::identity,                           \
-        Converter<type, norm, size, preferred>::finalSize,                          \
-        Converter<type, norm, size, preferred>::convertArray,                       \
-        static_cast<D3DDECLTYPE>(Converter<type, norm, size, preferred>::declflag)  \
-    }
-
-#define TRANSLATION_FOR_TYPE_NORM_SIZE(type, norm, size)    \
-    {                                                       \
-        Converter<type, norm, size, UsePreferred>::capflag, \
-        TRANSLATION(type, norm, size, UsePreferred),        \
-        TRANSLATION(type, norm, size, UseFallback)          \
-    }
-
-#define TRANSLATIONS_FOR_TYPE(type)                                                                                                                                                                         \
-    {                                                                                                                                                                                                       \
-        { TRANSLATION_FOR_TYPE_NORM_SIZE(type, false, 1), TRANSLATION_FOR_TYPE_NORM_SIZE(type, false, 2), TRANSLATION_FOR_TYPE_NORM_SIZE(type, false, 3), TRANSLATION_FOR_TYPE_NORM_SIZE(type, false, 4) }, \
-        { TRANSLATION_FOR_TYPE_NORM_SIZE(type, true, 1), TRANSLATION_FOR_TYPE_NORM_SIZE(type, true, 2), TRANSLATION_FOR_TYPE_NORM_SIZE(type, true, 3), TRANSLATION_FOR_TYPE_NORM_SIZE(type, true, 4) },     \
-    }
-
-#define TRANSLATIONS_FOR_TYPE_NO_NORM(type)                                                                                                                                                                 \
-    {                                                                                                                                                                                                       \
-        { TRANSLATION_FOR_TYPE_NORM_SIZE(type, false, 1), TRANSLATION_FOR_TYPE_NORM_SIZE(type, false, 2), TRANSLATION_FOR_TYPE_NORM_SIZE(type, false, 3), TRANSLATION_FOR_TYPE_NORM_SIZE(type, false, 4) }, \
-        { TRANSLATION_FOR_TYPE_NORM_SIZE(type, false, 1), TRANSLATION_FOR_TYPE_NORM_SIZE(type, false, 2), TRANSLATION_FOR_TYPE_NORM_SIZE(type, false, 3), TRANSLATION_FOR_TYPE_NORM_SIZE(type, false, 4) }, \
-    }
-
-const VertexDataManager::TranslationDescription VertexDataManager::mPossibleTranslations[NUM_GL_VERTEX_ATTRIB_TYPES][2][4] = // [GL types as enumerated by typeIndex()][normalized][size-1]
-{
-    TRANSLATIONS_FOR_TYPE(GL_BYTE),
-    TRANSLATIONS_FOR_TYPE(GL_UNSIGNED_BYTE),
-    TRANSLATIONS_FOR_TYPE(GL_SHORT),
-    TRANSLATIONS_FOR_TYPE(GL_UNSIGNED_SHORT),
-    TRANSLATIONS_FOR_TYPE_NO_NORM(GL_FIXED),
-    TRANSLATIONS_FOR_TYPE_NO_NORM(GL_FLOAT)
-};
-
-void VertexDataManager::checkVertexCaps(DWORD declTypes)
-{
-    for (unsigned int i = 0; i < NUM_GL_VERTEX_ATTRIB_TYPES; i++)
-    {
-        for (unsigned int j = 0; j < 2; j++)
-        {
-            for (unsigned int k = 0; k < 4; k++)
-            {
-                if (mPossibleTranslations[i][j][k].capsFlag == 0 || (declTypes & mPossibleTranslations[i][j][k].capsFlag) != 0)
-                {
-                    mAttributeTypes[i][j][k] = mPossibleTranslations[i][j][k].preferredConversion;
-                }
-                else
-                {
-                    mAttributeTypes[i][j][k] = mPossibleTranslations[i][j][k].fallbackConversion;
-                }
-            }
-        }
-    }
-}
-
-// This is used to index mAttributeTypes and mPossibleTranslations.
-unsigned int VertexDataManager::typeIndex(GLenum type) const
-{
-    switch (type)
-    {
-      case GL_BYTE: return 0;
-      case GL_UNSIGNED_BYTE: return 1;
-      case GL_SHORT: return 2;
-      case GL_UNSIGNED_SHORT: return 3;
-      case GL_FIXED: return 4;
-      case GL_FLOAT: return 5;
-
-      default: UNREACHABLE(); return 5;
-    }
-}
-
-
-const VertexDataManager::FormatConverter &VertexDataManager::formatConverter(const gl::VertexAttribute &attribute) const
-{
-    return mAttributeTypes[typeIndex(attribute.mType)][attribute.mNormalized][attribute.mSize - 1];
-}
-
 }
diff --git a/src/libGLESv2/renderer/VertexDataManager.h b/src/libGLESv2/renderer/VertexDataManager.h
index d9c4950..bd7bbaa 100644
--- a/src/libGLESv2/renderer/VertexDataManager.h
+++ b/src/libGLESv2/renderer/VertexDataManager.h
@@ -26,11 +26,11 @@
 {
     bool active;
 
-    D3DDECLTYPE type;
+    const gl::VertexAttribute *attribute;
     UINT offset;
     UINT stride;   // 0 means not to advance the read pointer at all
 
-    IDirect3DVertexBuffer9 *vertexBuffer;
+    VertexBuffer *vertexBuffer;
     unsigned int serial;
     unsigned int divisor;
 };
@@ -38,7 +38,7 @@
 class VertexDataManager
 {
   public:
-    VertexDataManager(rx::Renderer9 *renderer);
+    VertexDataManager(rx::Renderer *renderer);
     virtual ~VertexDataManager();
 
     GLenum prepareVertexData(const gl::VertexAttribute attribs[], gl::ProgramBinary *programBinary, GLint start, GLsizei count, TranslatedAttribute *outAttribs, GLsizei instances);
@@ -46,44 +46,13 @@
   private:
     DISALLOW_COPY_AND_ASSIGN(VertexDataManager);
 
-    std::size_t spaceRequired(const gl::VertexAttribute &attrib, std::size_t count, GLsizei instances) const;
-    std::size_t writeAttributeData(VertexBufferInterface *vertexBuffer, GLint start, GLsizei count, const gl::VertexAttribute &attribute, GLsizei instances);
-
-    rx::Renderer9 *const mRenderer;   // D3D9_REPLACE
+    rx::Renderer *const mRenderer;
 
     StreamingVertexBufferInterface *mStreamingBuffer;
 
     float mCurrentValue[gl::MAX_VERTEX_ATTRIBS][4];
     StreamingVertexBufferInterface *mCurrentValueBuffer[gl::MAX_VERTEX_ATTRIBS];
     std::size_t mCurrentValueOffsets[gl::MAX_VERTEX_ATTRIBS];
-
-    // Attribute format conversion
-    struct FormatConverter
-    {
-        bool identity;
-        std::size_t outputElementSize;
-        void (*convertArray)(const void *in, std::size_t stride, std::size_t n, void *out);
-        D3DDECLTYPE d3dDeclType;
-    };
-
-    enum { NUM_GL_VERTEX_ATTRIB_TYPES = 6 };
-
-    FormatConverter mAttributeTypes[NUM_GL_VERTEX_ATTRIB_TYPES][2][4];   // [GL types as enumerated by typeIndex()][normalized][size - 1]
-
-    struct TranslationDescription
-    {
-        DWORD capsFlag;
-        FormatConverter preferredConversion;
-        FormatConverter fallbackConversion;
-    };
-
-    // This table is used to generate mAttributeTypes.
-    static const TranslationDescription mPossibleTranslations[NUM_GL_VERTEX_ATTRIB_TYPES][2][4]; // [GL types as enumerated by typeIndex()][normalized][size - 1]
-
-    void checkVertexCaps(DWORD declTypes);
-
-    unsigned int typeIndex(GLenum type) const;
-    const FormatConverter &formatConverter(const gl::VertexAttribute &attribute) const;
 };
 
 }
diff --git a/src/libGLESv2/renderer/VertexDeclarationCache.cpp b/src/libGLESv2/renderer/VertexDeclarationCache.cpp
index 2106c0b..f5c9273 100644
--- a/src/libGLESv2/renderer/VertexDeclarationCache.cpp
+++ b/src/libGLESv2/renderer/VertexDeclarationCache.cpp
@@ -7,6 +7,7 @@
 // VertexDeclarationCache.cpp: Implements a helper class to construct and cache vertex declarations.
 
 #include "libGLESv2/ProgramBinary.h"
+#include "libGLESv2/renderer/VertexBuffer9.h"
 #include "libGLESv2/renderer/VertexDataManager.h"
 #include "libGLESv2/renderer/VertexDeclarationCache.h"
 
@@ -122,11 +123,13 @@
                 }
             }
 
+            VertexBuffer9 *vertexBuffer = VertexBuffer9::makeVertexBuffer9(attributes[i].vertexBuffer);
+
             if (mAppliedVBs[stream].serial != attributes[i].serial ||
                 mAppliedVBs[stream].stride != attributes[i].stride ||
                 mAppliedVBs[stream].offset != attributes[i].offset)
             {
-                device->SetStreamSource(stream, attributes[i].vertexBuffer, attributes[i].offset, attributes[i].stride);
+                device->SetStreamSource(stream, vertexBuffer->getBuffer(), attributes[i].offset, attributes[i].stride);
                 mAppliedVBs[stream].serial = attributes[i].serial;
                 mAppliedVBs[stream].stride = attributes[i].stride;
                 mAppliedVBs[stream].offset = attributes[i].offset;
@@ -134,7 +137,7 @@
 
             element->Stream = stream;
             element->Offset = 0;
-            element->Type = attributes[i].type;
+            element->Type = attributes[i].attribute->mArrayEnabled ? vertexBuffer->getDeclType(*attributes[i].attribute) : D3DDECLTYPE_FLOAT4;
             element->Method = D3DDECLMETHOD_DEFAULT;
             element->Usage = D3DDECLUSAGE_TEXCOORD;
             element->UsageIndex = programBinary->getSemanticIndex(i);