Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 181 insertions, 0 deletions

diff --git a/gfx/angle/checkout/src/libANGLE/Renderbuffer.h b/gfx/angle/checkout/src/libANGLE/Renderbuffer.h
new file mode 100644
index 0000000000..1f85afc5e5
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Renderbuffer.h
@@ -0,0 +1,181 @@
+//
+// Copyright 2002 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 rx
+{
+class GLImplFactory;
+}  // namespace rx
+
+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 RenderbufferState final : angle::NonCopyable
+{
+  public:
+    RenderbufferState();
+    ~RenderbufferState();
+
+    GLsizei getWidth() const;
+    GLsizei getHeight() const;
+    const Format &getFormat() const;
+    GLsizei getSamples() const;
+    MultisamplingMode getMultisamplingMode() const;
+    InitState getInitState() const;
+    void setProtectedContent(bool hasProtectedContent);
+
+  private:
+    friend class Renderbuffer;
+
+    void update(GLsizei width,
+                GLsizei height,
+                const Format &format,
+                GLsizei samples,
+                MultisamplingMode multisamplingMode,
+                InitState initState);
+
+    GLsizei mWidth;
+    GLsizei mHeight;
+    Format mFormat;
+    GLsizei mSamples;
+    MultisamplingMode mMultisamplingMode;
+    bool mHasProtectedContent;
+
+    // For robust resource init.
+    InitState mInitState;
+};
+
+class Renderbuffer final : public RefCountObject<RenderbufferID>,
+                           public egl::ImageSibling,
+                           public LabeledObject
+{
+  public:
+    Renderbuffer(rx::GLImplFactory *implFactory, RenderbufferID id);
+    ~Renderbuffer() override;
+
+    void onDestroy(const Context *context) override;
+
+    angle::Result setLabel(const Context *context, const std::string &label) override;
+    const std::string &getLabel() const override;
+
+    angle::Result setStorage(const Context *context,
+                             GLenum internalformat,
+                             GLsizei width,
+                             GLsizei height);
+    angle::Result setStorageMultisample(const Context *context,
+                                        GLsizei samplesIn,
+                                        GLenum internalformat,
+                                        GLsizei width,
+                                        GLsizei height,
+                                        MultisamplingMode mode);
+    angle::Result setStorageEGLImageTarget(const Context *context, egl::Image *imageTarget);
+
+    angle::Result copyRenderbufferSubData(Context *context,
+                                          const gl::Renderbuffer *srcBuffer,
+                                          GLint srcLevel,
+                                          GLint srcX,
+                                          GLint srcY,
+                                          GLint srcZ,
+                                          GLint dstLevel,
+                                          GLint dstX,
+                                          GLint dstY,
+                                          GLint dstZ,
+                                          GLsizei srcWidth,
+                                          GLsizei srcHeight,
+                                          GLsizei srcDepth);
+
+    angle::Result copyTextureSubData(Context *context,
+                                     const gl::Texture *srcTexture,
+                                     GLint srcLevel,
+                                     GLint srcX,
+                                     GLint srcY,
+                                     GLint srcZ,
+                                     GLint dstLevel,
+                                     GLint dstX,
+                                     GLint dstY,
+                                     GLint dstZ,
+                                     GLsizei srcWidth,
+                                     GLsizei srcHeight,
+                                     GLsizei srcDepth);
+
+    rx::RenderbufferImpl *getImplementation() const;
+
+    GLsizei getWidth() const;
+    GLsizei getHeight() const;
+    const Format &getFormat() const;
+    GLsizei getSamples() const;
+    MultisamplingMode getMultisamplingMode() const;
+    GLuint getRedSize() const;
+    GLuint getGreenSize() const;
+    GLuint getBlueSize() const;
+    GLuint getAlphaSize() const;
+    GLuint getDepthSize() const;
+    GLuint getStencilSize() const;
+    const RenderbufferState &getState() const;
+
+    GLint getMemorySize() const;
+
+    // FramebufferAttachmentObject Impl
+    Extents getAttachmentSize(const ImageIndex &imageIndex) const override;
+    Format getAttachmentFormat(GLenum binding, const ImageIndex &imageIndex) const override;
+    GLsizei getAttachmentSamples(const ImageIndex &imageIndex) const override;
+    bool isRenderable(const Context *context,
+                      GLenum binding,
+                      const ImageIndex &imageIndex) const override;
+
+    void onAttach(const Context *context, rx::Serial framebufferSerial) override;
+    void onDetach(const Context *context, rx::Serial framebufferSerial) override;
+    GLuint getId() const override;
+
+    InitState initState(GLenum binding, const ImageIndex &imageIndex) const override;
+    void setInitState(GLenum binding, const ImageIndex &imageIndex, InitState initState) override;
+
+    GLenum getImplementationColorReadFormat(const Context *context) const;
+    GLenum getImplementationColorReadType(const Context *context) const;
+
+    // We pass the pack buffer and state explicitly so they can be overridden during capture.
+    angle::Result getRenderbufferImage(const Context *context,
+                                       const PixelPackState &packState,
+                                       Buffer *packBuffer,
+                                       GLenum format,
+                                       GLenum type,
+                                       void *pixels) const;
+
+  private:
+    // ObserverInterface implementation.
+    void onSubjectStateChange(angle::SubjectIndex index, angle::SubjectMessage message) override;
+
+    rx::FramebufferAttachmentObjectImpl *getAttachmentImpl() const override;
+
+    RenderbufferState mState;
+    std::unique_ptr<rx::RenderbufferImpl> mImplementation;
+
+    std::string mLabel;
+    angle::ObserverBinding mImplObserverBinding;
+};
+
+}  // namespace gl
+
+#endif  // LIBANGLE_RENDERBUFFER_H_