import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

gfx/gl/TextureImageEGL.h

@@ -0,0 +1,88 @@
+/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef TEXTUREIMAGEEGL_H_
+#define TEXTUREIMAGEEGL_H_
+
+#include "GLTextureImage.h"
+
+namespace mozilla {
+namespace gl {
+
+class TextureImageEGL final
+    : public TextureImage
+{
+public:
+    TextureImageEGL(GLuint aTexture,
+                    const gfx::IntSize& aSize,
+                    GLenum aWrapMode,
+                    ContentType aContentType,
+                    GLContext* aContext,
+                    Flags aFlags = TextureImage::NoFlags,
+                    TextureState aTextureState = Created,
+                    TextureImage::ImageFormat aImageFormat = SurfaceFormat::UNKNOWN);
+
+    virtual ~TextureImageEGL();
+
+    virtual bool DirectUpdate(gfx::DataSourceSurface* aSurf, const nsIntRegion& aRegion, const gfx::IntPoint& aFrom = gfx::IntPoint(0,0));
+
+    virtual void BindTexture(GLenum aTextureUnit);
+
+    virtual GLuint GetTextureID()
+    {
+        // Ensure the texture is allocated before it is used.
+        if (mTextureState == Created) {
+            Resize(mSize);
+        }
+        return mTexture;
+    };
+
+    virtual void Resize(const gfx::IntSize& aSize);
+
+    bool BindTexImage();
+
+    bool ReleaseTexImage();
+
+    virtual bool CreateEGLSurface(gfxASurface* aSurface)
+    {
+        return false;
+    }
+
+    virtual void DestroyEGLSurface(void);
+
+protected:
+    typedef gfxImageFormat ImageFormat;
+
+    GLContext* mGLContext;
+
+    gfx::SurfaceFormat mUpdateFormat;
+    EGLImage mEGLImage;
+    GLuint mTexture;
+    EGLSurface mSurface;
+    EGLConfig mConfig;
+    TextureState mTextureState;
+
+    bool mBound;
+};
+
+already_AddRefed<TextureImage>
+CreateTextureImageEGL(GLContext* gl,
+                      const gfx::IntSize& aSize,
+                      TextureImage::ContentType aContentType,
+                      GLenum aWrapMode,
+                      TextureImage::Flags aFlags,
+                      TextureImage::ImageFormat aImageFormat);
+
+already_AddRefed<TextureImage>
+TileGenFuncEGL(GLContext* gl,
+               const gfx::IntSize& aSize,
+               TextureImage::ContentType aContentType,
+               TextureImage::Flags aFlags,
+               TextureImage::ImageFormat aImageFormat);
+
+} // namespace gl
+} // namespace mozilla
+
+#endif // TEXTUREIMAGEEGL_H_