Exemplo n.º 1
0
gl::Error VertexDataManager::storeAttribute(TranslatedAttribute *translated,
                                            GLint start,
                                            GLsizei count,
                                            GLsizei instances)
{
    const gl::VertexAttribute &attrib = *translated->attribute;

    gl::Buffer *buffer = attrib.buffer.get();
    ASSERT(buffer || attrib.pointer);
    ASSERT(attrib.enabled);

    BufferD3D *storage = buffer ? GetImplAs<BufferD3D>(buffer) : NULL;
    StaticVertexBufferInterface *staticBuffer =
        storage ? storage->getStaticVertexBuffer(attrib) : NULL;
    VertexBufferInterface *vertexBuffer = staticBuffer ? staticBuffer : static_cast<VertexBufferInterface*>(mStreamingBuffer);
    bool directStorage = vertexBuffer->directStoragePossible(attrib, translated->currentValueType);

    // Instanced vertices do not apply the 'start' offset
    GLint firstVertexIndex = (instances > 0 && attrib.divisor > 0 ? 0 : start);

    translated->vertexBuffer = vertexBuffer->getVertexBuffer();

    if (directStorage)
    {
        translated->storage = storage;
        translated->serial = storage->getSerial();
        translated->stride  = static_cast<unsigned int>(ComputeVertexAttributeStride(attrib));
        translated->offset = static_cast<unsigned int>(attrib.offset + translated->stride * firstVertexIndex);

        return gl::Error(GL_NO_ERROR);
    }

    // Compute source data pointer
    const uint8_t *sourceData = nullptr;

    if (buffer)
    {
        gl::Error error = storage->getData(&sourceData);
        if (error.isError())
        {
            return error;
        }
        sourceData += static_cast<int>(attrib.offset);
    }
    else
    {
        sourceData = static_cast<const uint8_t*>(attrib.pointer);
    }

    unsigned int streamOffset = 0;
    unsigned int outputElementSize = 0;

    if (staticBuffer)
    {
        gl::Error error = staticBuffer->getVertexBuffer()->getSpaceRequired(attrib, 1, 0, &outputElementSize);
        if (error.isError())
        {
            return error;
        }

        if (!staticBuffer->lookupAttribute(attrib, &streamOffset))
        {
            // Convert the entire buffer
            int totalCount =
                ElementsInBuffer(attrib, static_cast<unsigned int>(storage->getSize()));
            int startIndex = static_cast<int>(attrib.offset) /
                             static_cast<int>(ComputeVertexAttributeStride(attrib));

            error = staticBuffer->storeVertexAttributes(attrib,
                                                        translated->currentValueType,
                                                        -startIndex,
                                                        totalCount,
                                                        0,
                                                        &streamOffset,
                                                        sourceData);
            if (error.isError())
            {
                return error;
            }
        }

        unsigned int firstElementOffset =
            (static_cast<unsigned int>(attrib.offset) /
             static_cast<unsigned int>(ComputeVertexAttributeStride(attrib))) *
            outputElementSize;
        unsigned int startOffset = (instances == 0 || attrib.divisor == 0) ? firstVertexIndex * outputElementSize : 0;
        if (streamOffset + firstElementOffset + startOffset < streamOffset)
        {
            return gl::Error(GL_OUT_OF_MEMORY);
        }

        streamOffset += firstElementOffset + startOffset;
    }
    else
    {
        size_t totalCount = ComputeVertexAttributeElementCount(attrib, count, instances);
        gl::Error error = mStreamingBuffer->getVertexBuffer()->getSpaceRequired(attrib, 1, 0, &outputElementSize);
        if (error.isError())
        {
            return error;
        }

        error = mStreamingBuffer->storeVertexAttributes(
            attrib, translated->currentValueType, firstVertexIndex,
            static_cast<GLsizei>(totalCount), instances, &streamOffset, sourceData);
        if (error.isError())
        {
            return error;
        }
    }

    translated->storage = nullptr;
    translated->serial = vertexBuffer->getSerial();
    translated->stride = outputElementSize;
    translated->offset = streamOffset;

    return gl::Error(GL_NO_ERROR);
}
Exemplo n.º 2
0
gl::Error VertexDataManager::storeAttribute(const gl::VertexAttribute &attrib,
                                            const gl::VertexAttribCurrentValueData &currentValue,
                                            TranslatedAttribute *translated,
                                            GLint start,
                                            GLsizei count,
                                            GLsizei instances)
{
    gl::Buffer *buffer = attrib.buffer.get();
    ASSERT(buffer || attrib.pointer);

    BufferD3D *storage = buffer ? BufferD3D::makeBufferD3D(buffer->getImplementation()) : NULL;
    StaticVertexBufferInterface *staticBuffer = storage ? storage->getStaticVertexBuffer() : NULL;
    VertexBufferInterface *vertexBuffer = staticBuffer ? staticBuffer : static_cast<VertexBufferInterface*>(mStreamingBuffer);
    bool directStorage = vertexBuffer->directStoragePossible(attrib, currentValue);

    unsigned int streamOffset = 0;
    unsigned int outputElementSize = 0;

    if (directStorage)
    {
        outputElementSize = ComputeVertexAttributeStride(attrib);
        streamOffset = attrib.offset + outputElementSize * start;
    }
    else if (staticBuffer)
    {
        gl::Error error = staticBuffer->getVertexBuffer()->getSpaceRequired(attrib, 1, 0, &outputElementSize);
        if (error.isError())
        {
            return error;
        }

        if (!staticBuffer->lookupAttribute(attrib, &streamOffset))
        {
            // Convert the entire buffer
            int totalCount = ElementsInBuffer(attrib, storage->getSize());
            int startIndex = attrib.offset / ComputeVertexAttributeStride(attrib);

            gl::Error error = staticBuffer->storeVertexAttributes(attrib, currentValue, -startIndex, totalCount,
                                                                  0, &streamOffset);
            if (error.isError())
            {
                return error;
            }
        }

        unsigned int firstElementOffset = (attrib.offset / ComputeVertexAttributeStride(attrib)) * outputElementSize;
        unsigned int startOffset = (instances == 0 || attrib.divisor == 0) ? start * outputElementSize : 0;
        if (streamOffset + firstElementOffset + startOffset < streamOffset)
        {
            return gl::Error(GL_OUT_OF_MEMORY);
        }

        streamOffset += firstElementOffset + startOffset;
    }
    else
    {
        int totalCount = StreamingBufferElementCount(attrib, count, instances);
        gl::Error error = mStreamingBuffer->getVertexBuffer()->getSpaceRequired(attrib, 1, 0, &outputElementSize);
        if (error.isError())
        {
            return error;
        }

        error = mStreamingBuffer->storeVertexAttributes(attrib, currentValue, start, totalCount, instances, &streamOffset);
        if (error.isError())
        {
            return error;
        }
    }

    translated->storage = directStorage ? storage : NULL;
    translated->vertexBuffer = vertexBuffer->getVertexBuffer();
    translated->serial = directStorage ? storage->getSerial() : vertexBuffer->getSerial();
    translated->divisor = attrib.divisor;

    translated->attribute = &attrib;
    translated->currentValueType = currentValue.Type;
    translated->stride = outputElementSize;
    translated->offset = streamOffset;

    return gl::Error(GL_NO_ERROR);
}
Exemplo n.º 3
0
gl::Error VertexDataManager::storeAttribute(const gl::VertexAttribute &attrib,
                                            const gl::VertexAttribCurrentValueData &currentValue,
                                            TranslatedAttribute *translated,
                                            GLint start,
                                            GLsizei count,
                                            GLsizei instances)
{
    gl::Buffer *buffer = attrib.buffer.get();
    ASSERT(buffer || attrib.pointer);

    BufferD3D *storage = buffer ? GetImplAs<BufferD3D>(buffer) : NULL;
    StaticVertexBufferInterface *staticBuffer = storage ? storage->getStaticVertexBufferForAttribute(attrib) : NULL;
    VertexBufferInterface *vertexBuffer = staticBuffer ? staticBuffer : static_cast<VertexBufferInterface*>(mStreamingBuffer);
    bool directStorage = vertexBuffer->directStoragePossible(attrib, currentValue);

    unsigned int streamOffset = 0;
    unsigned int outputElementSize = 0;

    // Instanced vertices do not apply the 'start' offset
    GLint firstVertexIndex = (instances > 0 && attrib.divisor > 0 ? 0 : start);

    if (directStorage)
    {
        outputElementSize = ComputeVertexAttributeStride(attrib);
        streamOffset = static_cast<unsigned int>(attrib.offset + outputElementSize * firstVertexIndex);
    }
    else if (staticBuffer)
    {
        gl::Error error = staticBuffer->getVertexBuffer()->getSpaceRequired(attrib, 1, 0, &outputElementSize);
        if (error.isError())
        {
            return error;
        }

        if (!staticBuffer->lookupAttribute(attrib, &streamOffset))
        {
            // Convert the entire buffer
            int totalCount = ElementsInBuffer(attrib, storage->getSize());
            int startIndex = attrib.offset / ComputeVertexAttributeStride(attrib);

            error = staticBuffer->storeVertexAttributes(attrib, currentValue, -startIndex, totalCount,
                                                        0, &streamOffset);

            // Each staticBuffer only contains the data for one attribute, so we know that it won't be modified again.
            // We can therefore safely unmap it here without hurting perf.
            staticBuffer->getVertexBuffer()->hintUnmapResource();

            if (error.isError())
            {
                return error;
            }
        }

        unsigned int firstElementOffset = (attrib.offset / ComputeVertexAttributeStride(attrib)) * outputElementSize;
        unsigned int startOffset = (instances == 0 || attrib.divisor == 0) ? firstVertexIndex * outputElementSize : 0;
        if (streamOffset + firstElementOffset + startOffset < streamOffset)
        {
            return gl::Error(GL_OUT_OF_MEMORY);
        }

        streamOffset += firstElementOffset + startOffset;
    }
    else
    {
        int totalCount = StreamingBufferElementCount(attrib, count, instances);
        gl::Error error = mStreamingBuffer->getVertexBuffer()->getSpaceRequired(attrib, 1, 0, &outputElementSize);
        if (error.isError())
        {
            return error;
        }

        error = mStreamingBuffer->storeVertexAttributes(attrib, currentValue, firstVertexIndex,
                                                        totalCount, instances, &streamOffset);
        if (error.isError())
        {
            return error;
        }
    }

    translated->storage = directStorage ? storage : NULL;
    translated->vertexBuffer = vertexBuffer->getVertexBuffer();
    translated->serial = directStorage ? storage->getSerial() : vertexBuffer->getSerial();
    translated->divisor = attrib.divisor;

    translated->attribute = &attrib;
    translated->currentValueType = currentValue.Type;
    translated->stride = outputElementSize;
    translated->offset = streamOffset;

    return gl::Error(GL_NO_ERROR);
}
GLenum VertexDataManager::prepareVertexData(const gl::VertexAttribute attribs[], gl::ProgramBinary *programBinary, GLint start, GLsizei count, TranslatedAttribute *translated, GLsizei instances)
{
    if (!mStreamingBuffer)
    {
        return GL_OUT_OF_MEMORY;
    }

    for (int attributeIndex = 0; attributeIndex < gl::MAX_VERTEX_ATTRIBS; attributeIndex++)
    {
        translated[attributeIndex].active = (programBinary->getSemanticIndex(attributeIndex) != -1);
    }

    // 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)
        {
            gl::Buffer *buffer = attribs[i].mBoundBuffer.get();
            StaticVertexBufferInterface *staticBuffer = buffer ? buffer->getStaticVertexBuffer() : NULL;

            if (staticBuffer && staticBuffer->getBufferSize() > 0 && staticBuffer->lookupAttribute(attribs[i]) == -1 &&
                !directStoragePossible(staticBuffer, attribs[i]))
            {
                buffer->invalidateStaticData();
            }
        }
    }

    // Reserve the required space in the buffers
    for (int i = 0; i < gl::MAX_VERTEX_ATTRIBS; i++)
    {
        if (translated[i].active && attribs[i].mArrayEnabled)
        {
            gl::Buffer *buffer = attribs[i].mBoundBuffer.get();
            StaticVertexBufferInterface *staticBuffer = buffer ? buffer->getStaticVertexBuffer() : NULL;
            VertexBufferInterface *vertexBuffer = staticBuffer ? staticBuffer : static_cast<VertexBufferInterface*>(mStreamingBuffer);

            if (!directStoragePossible(vertexBuffer, attribs[i]))
            {
                if (staticBuffer)
                {
                    if (staticBuffer->getBufferSize() == 0)
                    {
                        int totalCount = elementsInBuffer(attribs[i], buffer->size());
                        if (!staticBuffer->reserveVertexSpace(attribs[i], totalCount, 0))
                        {
                            return GL_OUT_OF_MEMORY;
                        }
                    }
                }
                else
                {
                    if (!mStreamingBuffer->reserveVertexSpace(attribs[i], count, instances))
                    {
                        return GL_OUT_OF_MEMORY;
                    }
                }
            }
        }
    }

    // Perform the vertex data translations
    for (int i = 0; i < gl::MAX_VERTEX_ATTRIBS; i++)
    {
        if (translated[i].active)
        {
            if (attribs[i].mArrayEnabled)
            {
                gl::Buffer *buffer = attribs[i].mBoundBuffer.get();

                if (!buffer && attribs[i].mPointer == NULL)
                {
                    // This is an application error that would normally result in a crash, but we catch it and return an error
                    ERR("An enabled vertex array has no buffer and no pointer.");
                    return GL_INVALID_OPERATION;
                }

                StaticVertexBufferInterface *staticBuffer = buffer ? buffer->getStaticVertexBuffer() : NULL;
                VertexBufferInterface *vertexBuffer = staticBuffer ? staticBuffer : static_cast<VertexBufferInterface*>(mStreamingBuffer);

                BufferStorage *storage = buffer ? buffer->getStorage() : NULL;
                bool directStorage = directStoragePossible(vertexBuffer, attribs[i]);

                std::size_t streamOffset = -1;
                unsigned int outputElementSize = 0;

                if (directStorage)
                {
                    outputElementSize = attribs[i].stride();
                    streamOffset = attribs[i].mOffset + outputElementSize * start;
                    storage->markBufferUsage();
                }
                else if (staticBuffer)
                {
                    streamOffset = staticBuffer->lookupAttribute(attribs[i]);
                    outputElementSize = staticBuffer->getVertexBuffer()->getSpaceRequired(attribs[i], 1, 0);

                    if (streamOffset == -1)
                    {
                        // Convert the entire buffer
                        int totalCount = elementsInBuffer(attribs[i], storage->getSize());
                        int startIndex = attribs[i].mOffset / attribs[i].stride();

                        streamOffset = staticBuffer->storeVertexAttributes(attribs[i], -startIndex, totalCount, 0);
                    }

                    if (streamOffset != -1)
                    {
                        streamOffset += (attribs[i].mOffset / attribs[i].stride()) * outputElementSize;

                        if (instances == 0 || attribs[i].mDivisor == 0)
                        {
                            streamOffset += start * outputElementSize;
                        }
                    }
                }
                else
                {
                    outputElementSize = mStreamingBuffer->getVertexBuffer()->getSpaceRequired(attribs[i], 1, 0);
                    streamOffset = mStreamingBuffer->storeVertexAttributes(attribs[i], start, count, instances);
                }

                if (streamOffset == -1)
                {
                    return GL_OUT_OF_MEMORY;
                }

                translated[i].storage = directStorage ? storage : NULL;
                translated[i].vertexBuffer = vertexBuffer->getVertexBuffer();
                translated[i].serial = directStorage ? storage->getSerial() : vertexBuffer->getSerial();
                translated[i].divisor = attribs[i].mDivisor;

                translated[i].attribute = &attribs[i];
                translated[i].stride = outputElementSize;
                translated[i].offset = streamOffset;
            }
            else
            {
                if (!mCurrentValueBuffer[i])
                {
                    mCurrentValueBuffer[i] = new StreamingVertexBufferInterface(mRenderer, CONSTANT_VERTEX_BUFFER_SIZE);
                }

                StreamingVertexBufferInterface *buffer = mCurrentValueBuffer[i];

                if (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])
                {
                    unsigned int requiredSpace = sizeof(float) * 4;
                    if (!buffer->reserveRawDataSpace(requiredSpace))
                    {
                        return GL_OUT_OF_MEMORY;
                    }
                    int streamOffset = buffer->storeRawData(attribs[i].mCurrentValue, requiredSpace);
                    if (streamOffset == -1)
                    {
                        return GL_OUT_OF_MEMORY;
                    }

                    mCurrentValueOffsets[i] = streamOffset;
                }

                translated[i].storage = NULL;
                translated[i].vertexBuffer = mCurrentValueBuffer[i]->getVertexBuffer();
                translated[i].serial = mCurrentValueBuffer[i]->getSerial();
                translated[i].divisor = 0;

                translated[i].attribute = &attribs[i];
                translated[i].stride = 0;
                translated[i].offset = mCurrentValueOffsets[i];
            }
        }
    }

    for (int i = 0; i < gl::MAX_VERTEX_ATTRIBS; i++)
    {
        if (translated[i].active && attribs[i].mArrayEnabled)
        {
            gl::Buffer *buffer = attribs[i].mBoundBuffer.get();

            if (buffer)
            {
                buffer->promoteStaticUsage(count * attribs[i].typeSize());
            }
        }
    }

    return GL_NO_ERROR;
}
GLenum VertexDataManager::prepareVertexData(const gl::VertexAttribute attribs[], const gl::VertexAttribCurrentValueData currentValues[],
                                            gl::ProgramBinary *programBinary, GLint start, GLsizei count, TranslatedAttribute *translated, GLsizei instances)
{
    if (!mStreamingBuffer)
    {
        return GL_OUT_OF_MEMORY;
    }

    for (int attributeIndex = 0; attributeIndex < gl::MAX_VERTEX_ATTRIBS; attributeIndex++)
    {
        translated[attributeIndex].active = (programBinary->getSemanticIndex(attributeIndex) != -1);
    }

    // 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)
        {
            gl::Buffer *buffer = attribs[i].mBoundBuffer.get();
            StaticVertexBufferInterface *staticBuffer = buffer ? buffer->getStaticVertexBuffer() : NULL;

            if (staticBuffer && staticBuffer->getBufferSize() > 0 && !staticBuffer->lookupAttribute(attribs[i], NULL) &&
                !staticBuffer->directStoragePossible(attribs[i], currentValues[i]))
            {
                buffer->invalidateStaticData();
            }
        }
    }

    // Reserve the required space in the buffers
    for (int i = 0; i < gl::MAX_VERTEX_ATTRIBS; i++)
    {
        if (translated[i].active && attribs[i].mArrayEnabled)
        {
            gl::Buffer *buffer = attribs[i].mBoundBuffer.get();
            StaticVertexBufferInterface *staticBuffer = buffer ? buffer->getStaticVertexBuffer() : NULL;
            VertexBufferInterface *vertexBuffer = staticBuffer ? staticBuffer : static_cast<VertexBufferInterface*>(mStreamingBuffer);

            if (!vertexBuffer->directStoragePossible(attribs[i], currentValues[i]))
            {
                if (staticBuffer)
                {
                    if (staticBuffer->getBufferSize() == 0)
                    {
                        int totalCount = ElementsInBuffer(attribs[i], buffer->size());
                        if (!staticBuffer->reserveVertexSpace(attribs[i], totalCount, 0))
                        {
                            return GL_OUT_OF_MEMORY;
                        }
                    }
                }
                else
                {
                    int totalCount = StreamingBufferElementCount(attribs[i], count, instances);

                    // [OpenGL ES 3.0.2] section 2.9.4 page 40:
                    // We can return INVALID_OPERATION if our vertex attribute does not have enough backing data.
                    if (buffer && ElementsInBuffer(attribs[i], buffer->size()) < totalCount)
                    {
                        return GL_INVALID_OPERATION;
                    }

                    if (!mStreamingBuffer->reserveVertexSpace(attribs[i], totalCount, instances))
                    {
                        return GL_OUT_OF_MEMORY;
                    }
                }
            }
        }
    }

    // Perform the vertex data translations
    for (int i = 0; i < gl::MAX_VERTEX_ATTRIBS; i++)
    {
        if (translated[i].active)
        {
            if (attribs[i].mArrayEnabled)
            {
                gl::Buffer *buffer = attribs[i].mBoundBuffer.get();

                if (!buffer && attribs[i].mPointer == NULL)
                {
                    // This is an application error that would normally result in a crash, but we catch it and return an error
                    ERR("An enabled vertex array has no buffer and no pointer.");
                    return GL_INVALID_OPERATION;
                }

                StaticVertexBufferInterface *staticBuffer = buffer ? buffer->getStaticVertexBuffer() : NULL;
                VertexBufferInterface *vertexBuffer = staticBuffer ? staticBuffer : static_cast<VertexBufferInterface*>(mStreamingBuffer);

                BufferStorage *storage = buffer ? buffer->getStorage() : NULL;
                bool directStorage = vertexBuffer->directStoragePossible(attribs[i], currentValues[i]);

                unsigned int streamOffset = 0;
                unsigned int outputElementSize = 0;

                if (directStorage)
                {
                    outputElementSize = attribs[i].stride();
                    streamOffset = attribs[i].mOffset + outputElementSize * start;
                }
                else if (staticBuffer)
                {
                    if (!staticBuffer->getVertexBuffer()->getSpaceRequired(attribs[i], 1, 0, &outputElementSize))
                    {
                        return GL_OUT_OF_MEMORY;
                    }

                    if (!staticBuffer->lookupAttribute(attribs[i], &streamOffset))
                    {
                        // Convert the entire buffer
                        int totalCount = ElementsInBuffer(attribs[i], storage->getSize());
                        int startIndex = attribs[i].mOffset / attribs[i].stride();

                        if (!staticBuffer->storeVertexAttributes(attribs[i], currentValues[i], -startIndex, totalCount,
                                                                 0, &streamOffset))
                        {
                            return GL_OUT_OF_MEMORY;
                        }
                    }

                    unsigned int firstElementOffset = (attribs[i].mOffset / attribs[i].stride()) * outputElementSize;
                    unsigned int startOffset = (instances == 0 || attribs[i].mDivisor == 0) ? start * outputElementSize : 0;
                    if (streamOffset + firstElementOffset + startOffset < streamOffset)
                    {
                        return GL_OUT_OF_MEMORY;
                    }

                    streamOffset += firstElementOffset + startOffset;
                }
                else
                {
                    int totalCount = StreamingBufferElementCount(attribs[i], count, instances);
                    if (!mStreamingBuffer->getVertexBuffer()->getSpaceRequired(attribs[i], 1, 0, &outputElementSize) ||
                        !mStreamingBuffer->storeVertexAttributes(attribs[i], currentValues[i], start, totalCount, instances,
                                                                 &streamOffset))
                    {
                        return GL_OUT_OF_MEMORY;
                    }
                }

                translated[i].storage = directStorage ? storage : NULL;
                translated[i].vertexBuffer = vertexBuffer->getVertexBuffer();
                translated[i].serial = directStorage ? storage->getSerial() : vertexBuffer->getSerial();
                translated[i].divisor = attribs[i].mDivisor;

                translated[i].attribute = &attribs[i];
                translated[i].currentValueType = currentValues[i].Type;
                translated[i].stride = outputElementSize;
                translated[i].offset = streamOffset;
            }
            else
            {
                if (!mCurrentValueBuffer[i])
                {
                    mCurrentValueBuffer[i] = new StreamingVertexBufferInterface(mRenderer, CONSTANT_VERTEX_BUFFER_SIZE);
                }

                StreamingVertexBufferInterface *buffer = mCurrentValueBuffer[i];

                if (mCurrentValue[i] != currentValues[i])
                {
                    if (!buffer->reserveVertexSpace(attribs[i], 1, 0))
                    {
                        return GL_OUT_OF_MEMORY;
                    }

                    unsigned int streamOffset;
                    if (!buffer->storeVertexAttributes(attribs[i], currentValues[i], 0, 1, 0, &streamOffset))
                    {
                        return GL_OUT_OF_MEMORY;
                    }

                    mCurrentValue[i] = currentValues[i];
                    mCurrentValueOffsets[i] = streamOffset;
                }

                translated[i].storage = NULL;
                translated[i].vertexBuffer = mCurrentValueBuffer[i]->getVertexBuffer();
                translated[i].serial = mCurrentValueBuffer[i]->getSerial();
                translated[i].divisor = 0;

                translated[i].attribute = &attribs[i];
                translated[i].currentValueType = currentValues[i].Type;
                translated[i].stride = 0;
                translated[i].offset = mCurrentValueOffsets[i];
            }
        }
    }

    for (int i = 0; i < gl::MAX_VERTEX_ATTRIBS; i++)
    {
        if (translated[i].active && attribs[i].mArrayEnabled)
        {
            gl::Buffer *buffer = attribs[i].mBoundBuffer.get();

            if (buffer)
            {
                buffer->promoteStaticUsage(count * attribs[i].typeSize());
            }
        }
    }

    return GL_NO_ERROR;
}