1 files changed, 173 insertions, 0 deletions
diff --git a/src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d9/IndexBuffer9.cpp b/src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d9/IndexBuffer9.cpp
new file mode 100644
index 0000000000..c5d72e6a50
--- /dev/null
+++ b/src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d9/IndexBuffer9.cpp
@@ -0,0 +1,173 @@
+//
+// Copyright (c) 2002-2014 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.
+//
+
+// Indexffer9.cpp: Defines the D3D9 IndexBuffer implementation.
+
+#include "libANGLE/renderer/d3d/d3d9/IndexBuffer9.h"
+#include "libANGLE/renderer/d3d/d3d9/Renderer9.h"
+
+namespace rx
+{
+
+IndexBuffer9::IndexBuffer9(Renderer9 *const renderer) : mRenderer(renderer)
+{
+    mIndexBuffer = NULL;
+    mBufferSize = 0;
+    mIndexType = 0;
+    mDynamic = false;
+}
+
+IndexBuffer9::~IndexBuffer9()
+{
+    SafeRelease(mIndexBuffer);
+}
+
+gl::Error IndexBuffer9::initialize(unsigned int bufferSize, GLenum indexType, bool dynamic)
+{
+    SafeRelease(mIndexBuffer);
+
+    updateSerial();
+
+    if (bufferSize > 0)
+    {
+        D3DFORMAT format = D3DFMT_UNKNOWN;
+        if (indexType == GL_UNSIGNED_SHORT || indexType == GL_UNSIGNED_BYTE)
+        {
+            format = D3DFMT_INDEX16;
+        }
+        else if (indexType == GL_UNSIGNED_INT)
+        {
+            ASSERT(mRenderer->getRendererExtensions().elementIndexUint);
+            format = D3DFMT_INDEX32;
+        }
+        else UNREACHABLE();
+
+        DWORD usageFlags = D3DUSAGE_WRITEONLY;
+        if (dynamic)
+        {
+            usageFlags |= D3DUSAGE_DYNAMIC;
+        }
+
+        HRESULT result = mRenderer->createIndexBuffer(bufferSize, usageFlags, format, &mIndexBuffer);
+        if (FAILED(result))
+        {
+            return gl::Error(GL_OUT_OF_MEMORY, "Failed to allocate internal index buffer of size, %lu.", bufferSize);
+        }
+    }
+
+    mBufferSize = bufferSize;
+    mIndexType = indexType;
+    mDynamic = dynamic;
+
+    return gl::Error(GL_NO_ERROR);
+}
+
+IndexBuffer9 *IndexBuffer9::makeIndexBuffer9(IndexBuffer *indexBuffer)
+{
+    ASSERT(HAS_DYNAMIC_TYPE(IndexBuffer9*, indexBuffer));
+    return static_cast<IndexBuffer9*>(indexBuffer);
+}
+
+gl::Error IndexBuffer9::mapBuffer(unsigned int offset, unsigned int size, void** outMappedMemory)
+{
+    if (!mIndexBuffer)
+    {
+        return gl::Error(GL_OUT_OF_MEMORY, "Internal index buffer is not initialized.");
+    }
+
+    DWORD lockFlags = mDynamic ? D3DLOCK_NOOVERWRITE : 0;
+
+    void *mapPtr = NULL;
+    HRESULT result = mIndexBuffer->Lock(offset, size, &mapPtr, lockFlags);
+    if (FAILED(result))
+    {
+        return gl::Error(GL_OUT_OF_MEMORY, "Failed to lock internal index buffer, HRESULT: 0x%08x.", result);
+    }
+
+    *outMappedMemory = mapPtr;
+    return gl::Error(GL_NO_ERROR);
+}
+
+gl::Error IndexBuffer9::unmapBuffer()
+{
+    if (!mIndexBuffer)
+    {
+        return gl::Error(GL_OUT_OF_MEMORY, "Internal index buffer is not initialized.");
+    }
+
+    HRESULT result = mIndexBuffer->Unlock();
+    if (FAILED(result))
+    {
+        return gl::Error(GL_OUT_OF_MEMORY, "Failed to unlock internal index buffer, HRESULT: 0x%08x.", result);
+    }
+
+    return gl::Error(GL_NO_ERROR);
+}
+
+GLenum IndexBuffer9::getIndexType() const
+{
+    return mIndexType;
+}
+
+unsigned int IndexBuffer9::getBufferSize() const
+{
+    return mBufferSize;
+}
+
+gl::Error IndexBuffer9::setSize(unsigned int bufferSize, GLenum indexType)
+{
+    if (bufferSize > mBufferSize || indexType != mIndexType)
+    {
+        return initialize(bufferSize, indexType, mDynamic);
+    }
+    else
+    {
+        return gl::Error(GL_NO_ERROR);
+    }
+}
+
+gl::Error IndexBuffer9::discard()
+{
+    if (!mIndexBuffer)
+    {
+        return gl::Error(GL_OUT_OF_MEMORY, "Internal index buffer is not initialized.");
+    }
+
+    void *dummy;
+    HRESULT result;
+
+    result = mIndexBuffer->Lock(0, 1, &dummy, D3DLOCK_DISCARD);
+    if (FAILED(result))
+    {
+        return gl::Error(GL_OUT_OF_MEMORY, "Failed to lock internal index buffer, HRESULT: 0x%08x.", result);
+    }
+
+    result = mIndexBuffer->Unlock();
+    if (FAILED(result))
+    {
+        return gl::Error(GL_OUT_OF_MEMORY, "Failed to unlock internal index buffer, HRESULT: 0x%08x.", result);
+    }
+
+    return gl::Error(GL_NO_ERROR);
+}
+
+D3DFORMAT IndexBuffer9::getIndexFormat() const
+{
+    switch (mIndexType)
+    {
+      case GL_UNSIGNED_BYTE:    return D3DFMT_INDEX16;
+      case GL_UNSIGNED_SHORT:   return D3DFMT_INDEX16;
+      case GL_UNSIGNED_INT:     return D3DFMT_INDEX32;
+      default: UNREACHABLE();   return D3DFMT_UNKNOWN;
+    }
+}
+
+IDirect3DIndexBuffer9 * IndexBuffer9::getBuffer() const
+{
+    return mIndexBuffer;
+}
+
+}