webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

1 files changed, 86 insertions, 0 deletions

diff --git a/Source/ThirdParty/ANGLE/src/libANGLE/Renderbuffer.h b/Source/ThirdParty/ANGLE/src/libANGLE/Renderbuffer.h
new file mode 100644
index 000000000..57cc08279
--- /dev/null
+++ b/Source/ThirdParty/ANGLE/src/libANGLE/Renderbuffer.h
@@ -0,0 +1,86 @@
+//
+// Copyright (c) 2002-2010 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.
+//
+
+// Renderbuffer.h: Defines the renderer-agnostic container class gl::Renderbuffer.
+// Implements GL renderbuffer objects and related functionality.
+// [OpenGL ES 2.0.24] section 4.4.3 page 108.
+
+#ifndef LIBANGLE_RENDERBUFFER_H_
+#define LIBANGLE_RENDERBUFFER_H_
+
+#include "angle_gl.h"
+#include "common/angleutils.h"
+#include "libANGLE/Debug.h"
+#include "libANGLE/Error.h"
+#include "libANGLE/FramebufferAttachment.h"
+#include "libANGLE/Image.h"
+#include "libANGLE/formatutils.h"
+#include "libANGLE/renderer/RenderbufferImpl.h"
+
+namespace gl
+{
+// A GL renderbuffer object is usually used as a depth or stencil buffer attachment
+// for a framebuffer object. The renderbuffer itself is a distinct GL object, see
+// FramebufferAttachment and Framebuffer for how they are applied to an FBO via an
+// attachment point.
+
+class Renderbuffer final : public egl::ImageSibling,
+                           public gl::FramebufferAttachmentObject,
+                           public LabeledObject
+{
+  public:
+    Renderbuffer(rx::RenderbufferImpl *impl, GLuint id);
+    virtual ~Renderbuffer();
+
+    void setLabel(const std::string &label) override;
+    const std::string &getLabel() const override;
+
+    Error setStorage(GLenum internalformat, size_t width, size_t height);
+    Error setStorageMultisample(size_t samples, GLenum internalformat, size_t width, size_t height);
+    Error setStorageEGLImageTarget(egl::Image *imageTarget);
+
+    rx::RenderbufferImpl *getImplementation() const;
+
+    GLsizei getWidth() const;
+    GLsizei getHeight() const;
+    const Format &getFormat() const;
+    GLsizei getSamples() const;
+    GLuint getRedSize() const;
+    GLuint getGreenSize() const;
+    GLuint getBlueSize() const;
+    GLuint getAlphaSize() const;
+    GLuint getDepthSize() const;
+    GLuint getStencilSize() const;
+
+    // FramebufferAttachmentObject Impl
+    Extents getAttachmentSize(const FramebufferAttachment::Target &target) const override;
+    const Format &getAttachmentFormat(
+        const FramebufferAttachment::Target & /*target*/) const override
+    {
+        return getFormat();
+    }
+    GLsizei getAttachmentSamples(const FramebufferAttachment::Target &/*target*/) const override { return getSamples(); }
+
+    void onAttach() override;
+    void onDetach() override;
+    GLuint getId() const override;
+
+  private:
+    rx::FramebufferAttachmentObjectImpl *getAttachmentImpl() const override { return mRenderbuffer; }
+
+    rx::RenderbufferImpl *mRenderbuffer;
+
+    std::string mLabel;
+
+    GLsizei mWidth;
+    GLsizei mHeight;
+    Format mFormat;
+    GLsizei mSamples;
+};
+
+}
+
+#endif   // LIBANGLE_RENDERBUFFER_H_