1 files changed, 239 insertions, 0 deletions
diff --git a/src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d9/VertexBuffer9.cpp b/src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d9/VertexBuffer9.cpp
new file mode 100644
index 0000000000..cb5003997f
--- /dev/null
+++ b/src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d9/VertexBuffer9.cpp
@@ -0,0 +1,239 @@
+//
+// Copyright (c) 2002-2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// VertexBuffer9.cpp: Defines the D3D9 VertexBuffer implementation.
+
+#include "libANGLE/renderer/d3d/d3d9/VertexBuffer9.h"
+#include "libANGLE/renderer/d3d/d3d9/Renderer9.h"
+#include "libANGLE/renderer/d3d/d3d9/formatutils9.h"
+#include "libANGLE/renderer/d3d/d3d9/vertexconversion.h"
+#include "libANGLE/renderer/d3d/BufferD3D.h"
+#include "libANGLE/VertexAttribute.h"
+#include "libANGLE/Buffer.h"
+
+namespace rx
+{
+
+VertexBuffer9::VertexBuffer9(Renderer9 *renderer) : mRenderer(renderer)
+{
+    mVertexBuffer = NULL;
+    mBufferSize = 0;
+    mDynamicUsage = false;
+}
+
+VertexBuffer9::~VertexBuffer9()
+{
+    SafeRelease(mVertexBuffer);
+}
+
+gl::Error VertexBuffer9::initialize(unsigned int size, bool dynamicUsage)
+{
+    SafeRelease(mVertexBuffer);
+
+    updateSerial();
+
+    if (size > 0)
+    {
+        DWORD flags = D3DUSAGE_WRITEONLY;
+        if (dynamicUsage)
+        {
+            flags |= D3DUSAGE_DYNAMIC;
+        }
+
+        HRESULT result = mRenderer->createVertexBuffer(size, flags, &mVertexBuffer);
+
+        if (FAILED(result))
+        {
+            return gl::Error(GL_OUT_OF_MEMORY, "Failed to allocate internal vertex buffer of size, %lu.", size);
+        }
+    }
+
+    mBufferSize = size;
+    mDynamicUsage = dynamicUsage;
+    return gl::Error(GL_NO_ERROR);
+}
+
+VertexBuffer9 *VertexBuffer9::makeVertexBuffer9(VertexBuffer *vertexBuffer)
+{
+    ASSERT(HAS_DYNAMIC_TYPE(VertexBuffer9*, vertexBuffer));
+    return static_cast<VertexBuffer9*>(vertexBuffer);
+}
+
+gl::Error VertexBuffer9::storeVertexAttributes(const gl::VertexAttribute &attrib, const gl::VertexAttribCurrentValueData &currentValue,
+                                               GLint start, GLsizei count, GLsizei instances, unsigned int offset)
+{
+    if (!mVertexBuffer)
+    {
+        return gl::Error(GL_OUT_OF_MEMORY, "Internal vertex buffer is not initialized.");
+    }
+
+    gl::Buffer *buffer = attrib.buffer.get();
+
+    int inputStride = gl::ComputeVertexAttributeStride(attrib);
+    int elementSize = gl::ComputeVertexAttributeTypeSize(attrib);
+
+    DWORD lockFlags = mDynamicUsage ? D3DLOCK_NOOVERWRITE : 0;
+
+    uint8_t *mapPtr = NULL;
+
+    unsigned int mapSize;
+    gl::Error error = spaceRequired(attrib, count, instances, &mapSize);
+    if (error.isError())
+    {
+        return error;
+    }
+
+    HRESULT result = mVertexBuffer->Lock(offset, mapSize, reinterpret_cast<void**>(&mapPtr), lockFlags);
+    if (FAILED(result))
+    {
+        return gl::Error(GL_OUT_OF_MEMORY, "Failed to lock internal vertex buffer, HRESULT: 0x%08x.", result);
+    }
+
+    const uint8_t *input = NULL;
+    if (attrib.enabled)
+    {
+        if (buffer)
+        {
+            BufferD3D *storage = GetImplAs<BufferD3D>(buffer);
+            ASSERT(storage);
+            error = storage->getData(&input);
+            if (error.isError())
+            {
+                return error;
+            }
+            input += static_cast<int>(attrib.offset);
+        }
+        else
+        {
+            input = static_cast<const uint8_t*>(attrib.pointer);
+        }
+    }
+    else
+    {
+        input = reinterpret_cast<const uint8_t*>(currentValue.FloatValues);
+    }
+
+    if (instances == 0 || attrib.divisor == 0)
+    {
+        input += inputStride * start;
+    }
+
+    gl::VertexFormat vertexFormat(attrib, currentValue.Type);
+    const d3d9::VertexFormat &d3dVertexInfo = d3d9::GetVertexFormatInfo(mRenderer->getCapsDeclTypes(), vertexFormat);
+    bool needsConversion = (d3dVertexInfo.conversionType & VERTEX_CONVERT_CPU) > 0;
+
+    if (!needsConversion && inputStride == elementSize)
+    {
+        size_t copySize = static_cast<size_t>(count) * static_cast<size_t>(inputStride);
+        memcpy(mapPtr, input, copySize);
+    }
+    else
+    {
+        d3dVertexInfo.copyFunction(input, inputStride, count, mapPtr);
+    }
+
+    mVertexBuffer->Unlock();
+
+    return gl::Error(GL_NO_ERROR);
+}
+
+gl::Error VertexBuffer9::getSpaceRequired(const gl::VertexAttribute &attrib, GLsizei count, GLsizei instances,
+                                          unsigned int *outSpaceRequired) const
+{
+    return spaceRequired(attrib, count, instances, outSpaceRequired);
+}
+
+unsigned int VertexBuffer9::getBufferSize() const
+{
+    return mBufferSize;
+}
+
+gl::Error VertexBuffer9::setBufferSize(unsigned int size)
+{
+    if (size > mBufferSize)
+    {
+        return initialize(size, mDynamicUsage);
+    }
+    else
+    {
+        return gl::Error(GL_NO_ERROR);
+    }
+}
+
+gl::Error VertexBuffer9::discard()
+{
+    if (!mVertexBuffer)
+    {
+        return gl::Error(GL_OUT_OF_MEMORY, "Internal vertex buffer is not initialized.");
+    }
+
+    void *dummy;
+    HRESULT result;
+
+    result = mVertexBuffer->Lock(0, 1, &dummy, D3DLOCK_DISCARD);
+    if (FAILED(result))
+    {
+        return gl::Error(GL_OUT_OF_MEMORY, "Failed to lock internal buffer for discarding, HRESULT: 0x%08x", result);
+    }
+
+    result = mVertexBuffer->Unlock();
+    if (FAILED(result))
+    {
+        return gl::Error(GL_OUT_OF_MEMORY, "Failed to unlock internal buffer for discarding, HRESULT: 0x%08x", result);
+    }
+
+    return gl::Error(GL_NO_ERROR);
+}
+
+IDirect3DVertexBuffer9 * VertexBuffer9::getBuffer() const
+{
+    return mVertexBuffer;
+}
+
+gl::Error VertexBuffer9::spaceRequired(const gl::VertexAttribute &attrib, std::size_t count, GLsizei instances,
+                                       unsigned int *outSpaceRequired) const
+{
+    gl::VertexFormat vertexFormat(attrib, GL_FLOAT);
+    const d3d9::VertexFormat &d3d9VertexInfo = d3d9::GetVertexFormatInfo(mRenderer->getCapsDeclTypes(), vertexFormat);
+
+    if (attrib.enabled)
+    {
+        unsigned int elementCount = 0;
+        if (instances == 0 || attrib.divisor == 0)
+        {
+            elementCount = count;
+        }
+        else
+        {
+            // Round up to divisor, if possible
+            elementCount = UnsignedCeilDivide(static_cast<unsigned int>(instances), attrib.divisor);
+        }
+
+        if (d3d9VertexInfo.outputElementSize <= std::numeric_limits<unsigned int>::max() / elementCount)
+        {
+            if (outSpaceRequired)
+            {
+                *outSpaceRequired = d3d9VertexInfo.outputElementSize * elementCount;
+            }
+            return gl::Error(GL_NO_ERROR);
+        }
+        else
+        {
+            return gl::Error(GL_OUT_OF_MEMORY, "New vertex buffer size would result in an overflow.");
+        }
+    }
+    else
+    {
+        const unsigned int elementSize = 4;
+        if (outSpaceRequired)
+        {
+            *outSpaceRequired = elementSize * 4;
+        }
+        return gl::Error(GL_NO_ERROR);
+    }
+}
+
+}