1 files changed, 141 insertions, 0 deletions
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/Buffer9.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/Buffer9.cpp
new file mode 100644
index 0000000000..dbf875134b
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/Buffer9.cpp
@@ -0,0 +1,141 @@
+//
+// Copyright 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.
+//
+
+// Buffer9.cpp Defines the Buffer9 class.
+
+#include "libANGLE/renderer/d3d/d3d9/Buffer9.h"
+
+#include "libANGLE/Context.h"
+#include "libANGLE/renderer/d3d/d3d9/Renderer9.h"
+
+namespace rx
+{
+
+Buffer9::Buffer9(const gl::BufferState &state, Renderer9 *renderer)
+    : BufferD3D(state, renderer), mSize(0)
+{}
+
+Buffer9::~Buffer9()
+{
+    mSize = 0;
+}
+
+size_t Buffer9::getSize() const
+{
+    return mSize;
+}
+
+bool Buffer9::supportsDirectBinding() const
+{
+    return false;
+}
+
+angle::Result Buffer9::setData(const gl::Context *context,
+                               gl::BufferBinding target,
+                               const void *data,
+                               size_t size,
+                               gl::BufferUsage usage)
+{
+    if (size > mMemory.size())
+    {
+        ANGLE_CHECK_GL_ALLOC(GetImplAs<Context9>(context), mMemory.resize(size));
+    }
+
+    mSize = size;
+    if (data && size > 0)
+    {
+        memcpy(mMemory.data(), data, size);
+    }
+
+    updateD3DBufferUsage(context, usage);
+
+    invalidateStaticData(context);
+
+    return angle::Result::Continue;
+}
+
+angle::Result Buffer9::getData(const gl::Context *context, const uint8_t **outData)
+{
+    if (mMemory.empty())
+    {
+        *outData = nullptr;
+    }
+    else
+    {
+        *outData = mMemory.data();
+    }
+    return angle::Result::Continue;
+}
+
+angle::Result Buffer9::setSubData(const gl::Context *context,
+                                  gl::BufferBinding target,
+                                  const void *data,
+                                  size_t size,
+                                  size_t offset)
+{
+    if (offset + size > mMemory.size())
+    {
+        ANGLE_CHECK_GL_ALLOC(GetImplAs<Context9>(context), mMemory.resize(size + offset));
+    }
+
+    mSize = std::max(mSize, offset + size);
+    if (data && size > 0)
+    {
+        memcpy(mMemory.data() + offset, data, size);
+    }
+
+    invalidateStaticData(context);
+
+    return angle::Result::Continue;
+}
+
+angle::Result Buffer9::copySubData(const gl::Context *context,
+                                   BufferImpl *source,
+                                   GLintptr sourceOffset,
+                                   GLintptr destOffset,
+                                   GLsizeiptr size)
+{
+    // Note: this method is currently unreachable
+    Buffer9 *sourceBuffer = GetAs<Buffer9>(source);
+    ASSERT(sourceBuffer);
+
+    memcpy(mMemory.data() + destOffset, sourceBuffer->mMemory.data() + sourceOffset, size);
+
+    invalidateStaticData(context);
+
+    return angle::Result::Continue;
+}
+
+// We do not support buffer mapping in D3D9
+angle::Result Buffer9::map(const gl::Context *context, GLenum access, void **mapPtr)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<Context9>(context));
+    return angle::Result::Stop;
+}
+
+angle::Result Buffer9::mapRange(const gl::Context *context,
+                                size_t offset,
+                                size_t length,
+                                GLbitfield access,
+                                void **mapPtr)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<Context9>(context));
+    return angle::Result::Stop;
+}
+
+angle::Result Buffer9::unmap(const gl::Context *context, GLboolean *result)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<Context9>(context));
+    return angle::Result::Stop;
+}
+
+angle::Result Buffer9::markTransformFeedbackUsage(const gl::Context *context)
+{
+    ANGLE_HR_UNREACHABLE(GetImplAs<Context9>(context));
+    return angle::Result::Stop;
+}
+
+}  // namespace rx