--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hostsupport/hostopenvg/src/src/sfBlitter.cpp	Wed Oct 06 17:59:01 2010 +0100
@@ -0,0 +1,132 @@
+/* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and /or associated documentation files
+ * (the "Materials "), to deal in the Materials without restriction,
+ * including without limitation the rights to use, copy, modify, merge,
+ * publish, distribute, sublicense, and/or sell copies of the Materials,
+ * and to permit persons to whom the Materials are furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Materials.
+ *
+ * THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE MATERIALS OR
+ * THE USE OR OTHER DEALINGS IN THE MATERIALS.
+ */
+
+#include "sfBlitter.h"
+
+#include "sfCompiler.h"
+
+namespace OpenVGRI {
+
+DynamicBlitter::DynamicBlitter() :
+    m_maskOperation(VG_SET_MASK),
+    m_isMaskOperation(false),
+    m_fillColor(),
+    m_isFill(false),
+
+    m_signatureState(),
+    m_uniforms()
+{
+}
+
+DynamicBlitter::~DynamicBlitter()
+{
+}
+
+/*static*/ void DynamicBlitter::calculateHash(BlitterHash& hash, const BlitSignatureState& state)
+{
+    const RIuint32 descBits = 10;
+    const RIuint32 maskOperationBits = 3;
+    const RIuint32 boolBits = 1;
+
+    RIuint32 srcFormat = (RIuint32)(state.srcDesc.toIndex());
+    RIuint32 dstFormat = (RIuint32)(state.dstDesc.toIndex());
+    RIuint32 maskOperation = ((RIuint32)(state.maskOperation - VG_CLEAR_MASK));
+    RIuint32 incompatibleStride = ((RIuint32)state.incompatibleStrides);
+    RIuint32 isMaskOperation = ((RIuint32)state.isMaskOperation);
+    RIuint32 unsafeInput = (RIuint32)state.unsafeInput;
+    
+    int b = 0;
+
+    b = riInsertBits32(hash.value, sizeof(hash.value), srcFormat, descBits, b);
+    b = riInsertBits32(hash.value, sizeof(hash.value), dstFormat, descBits, b);
+    b = riInsertBits32(hash.value, sizeof(hash.value), maskOperation, maskOperationBits, b);
+    b = riInsertBits32(hash.value, sizeof(hash.value), incompatibleStride, boolBits, b);
+    b = riInsertBits32(hash.value, sizeof(hash.value), isMaskOperation, boolBits, b);
+    b = riInsertBits32(hash.value, sizeof(hash.value), unsafeInput, boolBits, b);
+}
+
+/**
+ * \brief   Blit a region. The input coordinates and dimensions must be validated outside
+ *          the blitter currently.
+ * \note    The user must also apply the storage offset to the image(s).
+ */
+void DynamicBlitter::prepareBlit(Image* dst, const Image* src, int sx, int sy, int dx, int dy, int w, int h)
+{
+    //const Image *srcImage = src->getImage();
+    //Image* dstImage = dst->m_image;
+    
+    // \todo Move these to derivation of the state?
+    m_signatureState.srcDesc = src->getDescriptor();
+    m_signatureState.dstDesc = dst->getDescriptor();
+    m_signatureState.isMaskOperation = m_isMaskOperation;
+    m_signatureState.maskOperation = m_isMaskOperation ? m_maskOperation : VG_CLEAR_MASK;
+    m_signatureState.incompatibleStrides = false;
+    m_signatureState.unsafeInput = false;
+
+    m_uniforms.src = src->getData();
+    m_uniforms.dst = dst->getData();
+    m_uniforms.srcX = sx;
+    m_uniforms.srcY = sy;
+    m_uniforms.dstX = dx;
+    m_uniforms.dstY = dy;
+    m_uniforms.width = w;
+    m_uniforms.height = h;
+    m_uniforms.srcStride = src->getStride();
+    m_uniforms.dstStride = dst->getStride();
+
+    if (m_signatureState.srcDesc.isZeroConversion(m_signatureState.dstDesc))
+    {
+        const int fullCopyStride = Image::descriptorToStride(m_signatureState.srcDesc, m_uniforms.width);
+
+        if ((m_uniforms.dstStride != m_uniforms.srcStride) || (fullCopyStride != m_uniforms.srcStride)) 
+            m_signatureState.incompatibleStrides = true;
+    }
+
+    if (src->isUnsafe())
+        m_signatureState.unsafeInput = true;
+
+}
+
+void DynamicBlitter::blit()
+{
+#if 1
+    bool compiledBlitter = false;
+    {
+        PPCompiler& compiler = PPCompiler::getCompiler();
+        PPCompiler::BlitterHandle blitterHandle = compiler.compileBlitter(getSignatureState());
+        if (blitterHandle)
+        {
+            compiledBlitter = true;
+            BlitterFunction func = compiler.getBlitterPtr(blitterHandle);
+            func(getUniforms());
+            compiler.releaseBlitter(blitterHandle);
+        }
+    }
+
+    if (!compiledBlitter)
+#endif
+    {
+        executeBlitter(getSignatureState(), getUniforms());
+    }
+}
+
+}