Add m-esr52 at 52.6.0

1 files changed, 58 insertions, 0 deletions

diff --git a/gfx/angle/src/libANGLE/renderer/d3d/TextureStorage.h b/gfx/angle/src/libANGLE/renderer/d3d/TextureStorage.h
new file mode 100755
index 000000000..417237495
--- /dev/null
+++ b/gfx/angle/src/libANGLE/renderer/d3d/TextureStorage.h
@@ -0,0 +1,58 @@
+//
+// Copyright (c) 2002-2013 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.
+//
+
+// TextureStorage.h: Defines the abstract rx::TextureStorage class.
+
+#ifndef LIBANGLE_RENDERER_D3D_TEXTURESTORAGE_H_
+#define LIBANGLE_RENDERER_D3D_TEXTURESTORAGE_H_
+
+#include "libANGLE/Error.h"
+
+#include "common/debug.h"
+#include "libANGLE/Error.h"
+
+#include <GLES2/gl2.h>
+#include <stdint.h>
+
+namespace gl
+{
+struct ImageIndex;
+struct Box;
+struct PixelUnpackState;
+}
+
+namespace rx
+{
+class SwapChainD3D;
+class RenderTargetD3D;
+class ImageD3D;
+
+class TextureStorage : angle::NonCopyable
+{
+  public:
+    TextureStorage() {}
+    virtual ~TextureStorage() {}
+
+    virtual int getTopLevel() const = 0;
+    virtual bool isRenderTarget() const = 0;
+    virtual bool isManaged() const = 0;
+    virtual bool supportsNativeMipmapFunction() const = 0;
+    virtual int getLevelCount() const = 0;
+
+    virtual gl::Error getRenderTarget(const gl::ImageIndex &index, RenderTargetD3D **outRT) = 0;
+    virtual gl::Error generateMipmap(const gl::ImageIndex &sourceIndex, const gl::ImageIndex &destIndex) = 0;
+
+    virtual gl::Error copyToStorage(TextureStorage *destStorage) = 0;
+    virtual gl::Error setData(const gl::ImageIndex &index, ImageD3D *image, const gl::Box *destBox, GLenum type,
+                              const gl::PixelUnpackState &unpack, const uint8_t *pixelData) = 0;
+
+    // This is a no-op for most implementations of TextureStorage. Some (e.g. TextureStorage11_2D) might override it.
+    virtual gl::Error useLevelZeroWorkaroundTexture(bool useLevelZeroTexture) { return gl::Error(GL_NO_ERROR); }
+};
+
+}
+
+#endif // LIBANGLE_RENDERER_D3D_TEXTURESTORAGE_H_